version bump and index generation

remove debug output
next try
2024-11-07 09:57:32 +01:00 · 2024-11-07 09:47:49 +01:00 · 2024-11-07 09:46:15 +01:00 · 2024-11-07 09:41:40 +01:00 · 2024-11-07 09:37:22 +01:00 · 2024-11-07 09:35:30 +01:00
22 changed files with 2353 additions and 1364 deletions
--- a/.gitea/workflows/non_main.yaml
+++ b/.gitea/workflows/non_main.yaml
@ -0,0 +1,16 @@
+name: publish package
+on:
+  push:
+    branches-ignore:
+      - main
+
+jobs:
+  Explore-Gitea-Actions:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - name: run tests
+        run: |
+          cd ${{ gitea.workspace }}
+          cargo test
--- a/.gitea/workflows/publish.yaml
+++ b/.gitea/workflows/publish.yaml
@ -0,0 +1,28 @@
+name: publish package
+on:
+  push:
+    branches:
+      - main  
+
+jobs:
+  Explore-Gitea-Actions:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - name: run tests
+        run: |
+          cd ${{ gitea.workspace }}
+          cargo test --release                    
+      - name: build & release package
+        run: |
+          cd ${{ gitea.workspace }}
+          cargo build --release
+          cargo deb
+          ls -al target/debian
+          UPLOAD_FILE=$(ls target/debian/*.deb)
+          curl --user jlusiardi:${{ secrets.UPLOAD_TOKEN }} --upload-file ${UPLOAD_FILE} https://gitea.intern.haus-in-hirschaid.de/api/packages/jlusiardi/debian/pool/bionic/main/upload          
+          echo -e "${{ secrets.DEPLOY_PRIVATE_KEY }}" > /tmp/ssh_key
+          chmod 0600 /tmp/ssh_key
+          scp -o StrictHostKeyChecking=no -i /tmp/ssh_key ${UPLOAD_FILE} jlusiardi@april2023.lusiardi.de:/var/www/p17.lusiardi.de/el_diabolo
+          ssh -o StrictHostKeyChecking=no -i /tmp/ssh_key jlusiardi@april2023.lusiardi.de /var/www/p17.lusiardi.de/el_diabolo/generate_index.sh
--- a/.gitignore
+++ b/.gitignore
@ -1 +1,2 @@
 /target
+*.profraw
--- a/Cargo.lock
+++ b/Cargo.lock
@ -20,54 +20,6 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0942ffc6dcaadf03badf6e6a2d0228460359d5e34b57ccdc720b7382dfbd5ec5"

-[[package]]
-name = "anstream"
-version = "0.6.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e2e1ebcb11de5c03c67de28a7df593d32191b44939c482e97702baaaa6ab6a5"
-dependencies = [
- "anstyle",
- "anstyle-parse",
- "anstyle-query",
- "anstyle-wincon",
- "colorchoice",
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7079075b41f533b8c61d2a4d073c4676e1f8b249ff94a393b0595db304e0dd87"
-
-[[package]]
-name = "anstyle-parse"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
-dependencies = [
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle-query"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
-dependencies = [
- "windows-sys 0.52.0",
-]
-
-[[package]]
-name = "anstyle-wincon"
-version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
-dependencies = [
- "anstyle",
- "windows-sys 0.52.0",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@ -98,6 +50,15 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df8670b8c7b9dae1793364eafadf7239c40d669904660c5960d74cfd80b46a53"

+[[package]]
+name = "castaway"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0abae9be0aaf9ea96a3b1b8b1b55c602ca751eba1b1500220cea4ecbafe7c0d5"
+dependencies = [
+ "rustversion",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@ -105,62 +66,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"

 [[package]]
-name = "clap"
-version = "4.4.18"
+name = "compact_str"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e578d6ec4194633722ccf9544794b71b1385c3c027efe0c55db226fc880865c"
+checksum = "6050c3a16ddab2e412160b31f2c871015704239bca62f72f6e5f0be631d3f644"
 dependencies = [
- "clap_builder",
- "clap_derive",
+ "castaway",
+ "cfg-if",
+ "itoa",
+ "rustversion",
+ "ryu",
+ "static_assertions",
 ]

-[[package]]
-name = "clap_builder"
-version = "4.4.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4df4df40ec50c46000231c914968278b1eb05098cf8f1b3a518a95030e71d1c7"
-dependencies = [
- "anstream",
- "anstyle",
- "clap_lex",
- "strsim",
-]
-
-[[package]]
-name = "clap_derive"
-version = "4.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf9804afaaf59a91e75b022a30fb7229a7901f60c755489cc61c9b423b836442"
-dependencies = [
- "heck",
- "proc-macro2",
- "quote",
- "syn 2.0.38",
-]
-
-[[package]]
-name = "clap_lex"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
-
-[[package]]
-name = "colorchoice"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
-
 [[package]]
 name = "crossterm"
-version = "0.27.0"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f476fe445d41c9e991fd07515a6f463074b782242ccf4a5b7b1d1012e70824df"
+checksum = "829d955a0bb380ef178a640b91779e3987da38c9aea133b20614cfed8cdea9c6"
 dependencies = [
 "bitflags 2.4.1",
 "crossterm_winapi",
- "libc",
 "mio",
 "parking_lot",
+ "rustix",
 "signal-hook",
 "signal-hook-mio",
 "winapi",
@ -175,6 +104,41 @@ dependencies = [
 "winapi",
 ]

+[[package]]
+name = "darling"
+version = "0.20.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f63b86c8a8826a49b8c21f08a2d07338eec8d900540f8630dc76284be802989"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.20.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95133861a8032aaea082871032f5815eb9e98cef03fa916ab4500513994df9e5"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.20.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d336a2a514f6ccccaa3e09b02d41d35330c07ddf03a62165fcec10bb561c7806"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "either"
 version = "1.9.0"
@ -183,10 +147,10 @@ checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"

 [[package]]
 name = "el_diabolo"
-version = "0.1.0"
+version = "0.2.2"
 dependencies = [
- "clap",
 "crossterm",
+ "macros",
 "petgraph",
 "rand",
 "ratatui",
@ -199,12 +163,28 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"

+[[package]]
+name = "errno"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
 [[package]]
 name = "fixedbitset"
 version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"

+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
 [[package]]
 name = "getrandom"
 version = "0.2.11"
@ -228,9 +208,21 @@ dependencies = [

 [[package]]
 name = "heck"
-version = "0.4.1"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
+[[package]]
+name = "hermit-abi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
+
+[[package]]
+name = "ident_case"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"

 [[package]]
 name = "indexmap"
@ -244,19 +236,35 @@ dependencies = [

 [[package]]
 name = "indoc"
-version = "2.0.4"
+version = "2.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e186cfbae8084e513daff4240b4797e342f988cecda4fb6c939150f96315fd8"
+checksum = "b248f5224d1d606005e02c97f5aa4e88eeb230488bcc03bc9ca4d7991399f2b5"
+
+[[package]]
+name = "instability"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b23a0c8dfe501baac4adf6ebbfa6eddf8f0c07f56b058cc1288017e32397846c"
+dependencies = [
+ "quote",
+ "syn",
+]

 [[package]]
 name = "itertools"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25db6b064527c5d482d0423354fcd07a89a2dfe07b67892e62411946db7f07b0"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
 dependencies = [
 "either",
 ]

+[[package]]
+name = "itoa"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
+
 [[package]]
 name = "js-sys"
 version = "0.3.66"
@ -268,9 +276,15 @@ dependencies = [

 [[package]]
 name = "libc"
-version = "0.2.149"
+version = "0.2.161"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b"
+checksum = "8e9489c2807c139ffd9c1794f4af0ebe86a828db53ecdc7fea2111d0fed085d1"
+
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"

 [[package]]
 name = "lock_api"
@ -298,15 +312,26 @@ dependencies = [
 ]

 [[package]]
-name = "mio"
-version = "0.8.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3dce281c5e46beae905d4de1870d8b1509a9142b62eedf18b443b011ca8343d0"
+name = "macros"
+version = "0.1.0"
 dependencies = [
+ "darling",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "mio"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80e04d1dcff3aae0704555fe5fee3bcfaf3d1fdf8a7e521d5b9d2b42acb52cec"
+dependencies = [
+ "hermit-abi",
 "libc",
 "log",
 "wasi",
- "windows-sys 0.48.0",
+ "windows-sys",
 ]

 [[package]]
@ -333,7 +358,7 @@ checksum = "4c42a9226546d68acdd9c0a280d17ce19bfe27a46bf68784e4066115788d008e"
 dependencies = [
 "cfg-if",
 "libc",
- "redox_syscall",
+ "redox_syscall 0.4.1",
 "smallvec",
 "windows-targets 0.48.5",
 ]
@ -346,9 +371,9 @@ checksum = "de3145af08024dea9fa9914f381a17b8fc6034dfb00f3a84013f7ff43f29ed4c"

 [[package]]
 name = "petgraph"
-version = "0.6.4"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1d3afd2628e69da2be385eb6f2fd57c8ac7977ceeff6dc166ff1657b0e386a9"
+checksum = "b4c5cc86750666a3ed20bdaf5ca2a0344f9c67674cae0515bec2da16fbaa47db"
 dependencies = [
 "fixedbitset",
 "indexmap",
@ -362,18 +387,18 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"

 [[package]]
 name = "proc-macro2"
-version = "1.0.69"
+version = "1.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
+checksum = "f139b0662de085916d1fb67d2b4169d1addddda1919e696f3252b740b629986e"
 dependencies = [
 "unicode-ident",
 ]

 [[package]]
 name = "quote"
-version = "1.0.33"
+version = "1.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
+checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
 dependencies = [
 "proc-macro2",
 ]
@ -410,21 +435,23 @@ dependencies = [

 [[package]]
 name = "ratatui"
-version = "0.25.0"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5659e52e4ba6e07b2dad9f1158f578ef84a73762625ddb51536019f34d180eb"
+checksum = "eabd94c2f37801c20583fc49dd5cd6b0ba68c716787c2dd6ed18571e1e63117b"
 dependencies = [
 "bitflags 2.4.1",
 "cassowary",
+ "compact_str",
 "crossterm",
 "indoc",
+ "instability",
 "itertools",
 "lru",
 "paste",
- "stability",
 "strum",
 "unicode-segmentation",
- "unicode-width",
+ "unicode-truncate",
+ "unicode-width 0.2.0",
 ]

 [[package]]
@ -436,12 +463,40 @@ dependencies = [
 "bitflags 1.3.2",
 ]

+[[package]]
+name = "redox_syscall"
+version = "0.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b6dfecf2c74bce2466cabf93f6664d6998a69eb21e39f4207930065b27b771f"
+dependencies = [
+ "bitflags 2.4.1",
+]
+
+[[package]]
+name = "rustix"
+version = "0.38.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8acb788b847c24f28525660c4d7758620a7210875711f79e7f663cc152726811"
+dependencies = [
+ "bitflags 2.4.1",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"

+[[package]]
+name = "ryu"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@ -460,9 +515,9 @@ dependencies = [

 [[package]]
 name = "signal-hook-mio"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29ad2e15f37ec9a6cc544097b78a1ec90001e9f71b81338ca39f430adaca99af"
+checksum = "34db1a06d485c9142248b7a054f034b349b212551f3dfd19c94d45a754a217cd"
 dependencies = [
 "libc",
 "mio",
@ -485,59 +540,44 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"

 [[package]]
-name = "stability"
-version = "0.1.1"
+name = "static_assertions"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebd1b177894da2a2d9120208c3386066af06a488255caabc5de8ddca22dbc3ce"
-dependencies = [
- "quote",
- "syn 1.0.109",
-]
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"

 [[package]]
 name = "strsim"
-version = "0.10.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"

 [[package]]
 name = "strum"
-version = "0.25.0"
+version = "0.26.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "290d54ea6f91c969195bdbcd7442c8c2a2ba87da8bf60a7ee86a235d4bc1e125"
+checksum = "8fec0f0aef304996cf250b31b5a10dee7980c85da9d759361292b8bca5a18f06"
 dependencies = [
 "strum_macros",
 ]

 [[package]]
 name = "strum_macros"
-version = "0.25.3"
+version = "0.26.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23dc1fa9ac9c169a78ba62f0b841814b7abae11bdd047b9c58f893439e309ea0"
+checksum = "4c6bee85a5a24955dc440386795aa378cd9cf82acd5f764469152d2270e581be"
 dependencies = [
 "heck",
 "proc-macro2",
 "quote",
 "rustversion",
- "syn 2.0.38",
+ "syn",
 ]

 [[package]]
 name = "syn"
-version = "1.0.109"
+version = "2.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
-[[package]]
-name = "syn"
-version = "2.0.38"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e96b79aaa137db8f61e26363a0c9b47d8b4ec75da28b7d1d614c2303e232408b"
+checksum = "5023162dfcd14ef8f32034d8bcd4cc5ddc61ef7a247c024a33e24e1f24d21b56"
 dependencies = [
 "proc-macro2",
 "quote",
@ -557,16 +597,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"

 [[package]]
-name = "unicode-width"
-version = "0.1.11"
+name = "unicode-truncate"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51733f11c9c4f72aa0c160008246859e340b00807569a0da0e7a1079b27ba85"
+checksum = "b3644627a5af5fa321c95b9b235a72fd24cd29c648c2c379431e6628655627bf"
+dependencies = [
+ "itertools",
+ "unicode-segmentation",
+ "unicode-width 0.1.14",
+]

 [[package]]
-name = "utf8parse"
-version = "0.2.1"
+name = "unicode-width"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
+
+[[package]]
+name = "unicode-width"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fc81956842c57dac11422a97c3b8195a1ff727f06e85c84ed2e8aa277c9a0fd"

 [[package]]
 name = "version_check"
@ -580,6 +631,12 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"

+[[package]]
+name = "wasite"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8dad83b4f25e74f184f64c43b150b91efe7647395b42289f38e50566d82855b"
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.89"
@ -601,7 +658,7 @@ dependencies = [
 "once_cell",
 "proc-macro2",
 "quote",
- "syn 2.0.38",
+ "syn",
 "wasm-bindgen-shared",
 ]

@ -623,7 +680,7 @@ checksum = "f0eb82fcb7930ae6219a7ecfd55b217f5f0893484b7a13022ebb2b2bf20b5283"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 2.0.38",
+ "syn",
 "wasm-bindgen-backend",
 "wasm-bindgen-shared",
 ]
@ -646,11 +703,12 @@ dependencies = [

 [[package]]
 name = "whoami"
-version = "1.4.1"
+version = "1.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22fc3756b8a9133049b26c7f61ab35416c130e8c09b660f5b3958b446f52cc50"
+checksum = "372d5b87f58ec45c384ba03563b03544dc5fadc3983e434b286913f5b4a9bb6d"
 dependencies = [
- "wasm-bindgen",
+ "redox_syscall 0.5.7",
+ "wasite",
 "web-sys",
 ]

@ -676,22 +734,13 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

-[[package]]
-name = "windows-sys"
-version = "0.48.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
-dependencies = [
- "windows-targets 0.48.5",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
 dependencies = [
- "windows-targets 0.52.0",
+ "windows-targets 0.52.6",
 ]

 [[package]]
@ -711,17 +760,18 @@ dependencies = [

 [[package]]
 name = "windows-targets"
-version = "0.52.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
 dependencies = [
- "windows_aarch64_gnullvm 0.52.0",
- "windows_aarch64_msvc 0.52.0",
- "windows_i686_gnu 0.52.0",
- "windows_i686_msvc 0.52.0",
- "windows_x86_64_gnu 0.52.0",
- "windows_x86_64_gnullvm 0.52.0",
- "windows_x86_64_msvc 0.52.0",
+ "windows_aarch64_gnullvm 0.52.6",
+ "windows_aarch64_msvc 0.52.6",
+ "windows_i686_gnu 0.52.6",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc 0.52.6",
+ "windows_x86_64_gnu 0.52.6",
+ "windows_x86_64_gnullvm 0.52.6",
+ "windows_x86_64_msvc 0.52.6",
 ]

 [[package]]
@ -732,9 +782,9 @@ checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"

 [[package]]
 name = "windows_aarch64_gnullvm"
-version = "0.52.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"

 [[package]]
 name = "windows_aarch64_msvc"
@ -744,9 +794,9 @@ checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"

 [[package]]
 name = "windows_aarch64_msvc"
-version = "0.52.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"

 [[package]]
 name = "windows_i686_gnu"
@ -756,9 +806,15 @@ checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"

 [[package]]
 name = "windows_i686_gnu"
-version = "0.52.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"

 [[package]]
 name = "windows_i686_msvc"
@ -768,9 +824,9 @@ checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"

 [[package]]
 name = "windows_i686_msvc"
-version = "0.52.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"

 [[package]]
 name = "windows_x86_64_gnu"
@ -780,9 +836,9 @@ checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"

 [[package]]
 name = "windows_x86_64_gnu"
-version = "0.52.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"

 [[package]]
 name = "windows_x86_64_gnullvm"
@ -792,9 +848,9 @@ checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"

 [[package]]
 name = "windows_x86_64_gnullvm"
-version = "0.52.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"

 [[package]]
 name = "windows_x86_64_msvc"
@ -804,9 +860,9 @@ checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"

 [[package]]
 name = "windows_x86_64_msvc"
-version = "0.52.0"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"

 [[package]]
 name = "zerocopy"
@ -825,5 +881,5 @@ checksum = "56feebc4664bdb37f39c0b1b8fc8fa2f5648e3ec5f9cf4344978b4b7ca561fff"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 2.0.38",
+ "syn",
 ]
--- a/Cargo.toml
+++ b/Cargo.toml
@ -1,14 +1,28 @@
+[workspace]
+members = ["macros"]
+
 [package]
 name = "el_diabolo"
-version = "0.1.0"
+version = "0.2.2"
 edition = "2021"

 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

 [dependencies]
-ratatui = "0.25.0"
-crossterm = "0.27.0"
+ratatui = "0.29.0"
+crossterm = "0.28.1"
 rand = "0.8.5"
-petgraph = "0.6.4"
-whoami = "1.4.1"
-clap = { version = "4.4.11", features = ["derive"] }
+petgraph = "0.6.5"
+whoami = "1.5.2"
+macros = { path = "./macros" }
+
+[package.metadata.deb]
+maintainer = "Joachim Lusiardi <joachim@lusiardi.de>"
+copyright = "2024, Joachim Lusiardi <joachim@lusiardi.de>"
+extended-description = """Little roguelike game"""
+depends = "$auto"
+section = "game"
+priority = "optional"
+assets = [
+    ["target/release/el_diabolo", "/usr/bin/", "755"],
+]
--- a/build.rs
+++ b/build.rs
@ -1,7 +1,10 @@
 use std::process::Command;

 fn main() {
-    let output = Command::new("git").args(&["rev-parse", "--short",  "HEAD"]).output().unwrap();
+    let output = Command::new("git")
+        .args(["rev-parse", "--short", "HEAD"])
+        .output()
+        .unwrap();
    let git_hash = String::from_utf8(output.stdout).unwrap();
    println!("cargo:rustc-env=GIT_HASH={}", git_hash);
 }
--- a/coverage.md
+++ b/coverage.md
@ -0,0 +1,10 @@
+```
+cargo install grcov
+rustup component add llvm-tools-preview
+```
+
+```
+RUSTFLAGS="-Cinstrument-coverage" cargo clean
+RUSTFLAGS="-Cinstrument-coverage" cargo test
+grcov . --binary-path ./target/debug/deps/ -s . -t html --branch --ignore-not-existing --ignore '../*' --ignore "/*" -o target/coverage/html
+```
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@ -0,0 +1,17 @@
+[package]
+name = "macros"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[lib]
+name = "macros"
+path = "src/lib.rs"
+proc-macro = true
+
+
+[dependencies]
+syn = "2.0.85"
+quote = "1.0.37"
+proc-macro2 = "1.0.89"
+darling= "0.20.10"
--- a/macros/src/lib.rs
+++ b/macros/src/lib.rs
@ -0,0 +1,57 @@
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+use quote::quote;
+
+#[proc_macro_derive(CreateMonsters)]
+pub fn create_monsters(input: TokenStream) -> TokenStream {
+    let input = syn::parse_macro_input!(input as syn::File);
+    let (enum_item, _) = match &input.items[0] {
+        syn::Item::Enum(enum_item) => (enum_item, &enum_item.attrs),
+        _ => panic!("must be an enum"),
+    };
+
+    let structs = enum_item.variants.iter().map(|variant| {
+        let variant_name = &variant.ident;
+
+        let t = quote! {
+        pub struct #variant_name {
+            name: String,
+            life: usize,
+            position: Position,
+            symbol: String,
+            color: Color,
+            experience_gain: usize,
+            ticks_between_steps: u128,
+            damage_range: RangeInclusive<usize>,
+        }
+        impl Monster for #variant_name {
+            fn get_name(&self) -> &str { &self.name }
+            fn is_dead(&self) -> bool { self.life <= 0 }
+            fn get_experience_gain(&self) -> usize { self.experience_gain }
+            fn get_representation(&self) -> (&str, Color) { (&self.symbol, self.color) }
+            fn decrease_life(&mut self, by: usize) {
+                self.life = self.life.saturating_sub(by);
+            }
+            fn get_ticks_between_steps(&self) -> u128 { self.ticks_between_steps }
+            fn damage(&self) -> usize { rand::thread_rng().gen_range(self.damage_range.clone()) }
+
+            #[cfg(test)]
+            fn get_life(&self) -> usize { self.life }
+        }
+        impl HasPosition for #variant_name {
+            fn get_position(&mut self) -> &mut Position {
+                &mut self.position
+            }
+            fn get_immutable_position(&self) -> &Position {
+                &self.position
+            }
+        }
+        };
+        t
+    });
+    let output = quote::quote! {
+        #(#structs)*
+    };
+    output.into()
+}
--- a/src/artifacts.rs
+++ b/src/artifacts.rs
@ -1,3 +1,4 @@
+use rand::Rng;
 use ratatui::style::Color;

 use crate::player::Player;
@ -5,6 +6,7 @@ use crate::position::Position;

 pub trait Artifact {
    //! An artifact that can be collected by the player
+    /// get the character and color used to draw the artifact into the level
    fn get_representation(&self) -> (&str, Color);
    /// get the position of the artifact in the level
    fn get_immutable_position(&self) -> &Position;
@ -14,32 +16,41 @@ pub trait Artifact {
    fn was_collected(&self) -> bool;
 }

+/// An artifact that contains a random amount of gold pieces.
 pub struct Chest {
-    /// a chest that contains some gold
+    /// the chests position
    position: Position,
+    /// the chests value
    gold: usize,
 }

 impl Chest {
+    /// create a chest at the given position with a random amount of gold.
+    /// The gold amount depends on the level, the deeper you go, the more you get.
    pub fn new(position: Position) -> Self {
-        let level = position.get_level();
+        let min_gold = 10 * (position.get_level() + 1);
+        let max_gold = min_gold + 10 * position.get_level();
        Self {
            position,
-            // TODO maybe randomize this?
-            gold: (level + 1) * 10,
+            gold: rand::thread_rng().gen_range(min_gold..=max_gold),
        }
    }
 }

 impl Artifact for Chest {
    fn get_representation(&self) -> (&str, Color) {
-        ("C", Color::Blue)
+        ("C", Color::Cyan)
    }

-    fn get_immutable_position(&self) -> &Position { &self.position }
+    fn get_immutable_position(&self) -> &Position {
+        &self.position
+    }
    fn collect(&mut self, player: &mut Player, messages: &mut Vec<String>) {
        player.retrieve_gold(self.gold);
-        messages.insert(0, format!("opened chest and collected {} gold.", self.gold).to_string());
+        messages.insert(
+            0,
+            format!("opened chest and collected {} gold.", self.gold).to_string(),
+        );
        self.gold = 0;
    }

@ -48,40 +59,64 @@ impl Artifact for Chest {
    }
 }

+#[derive(Clone, Copy)]
+/// An artifact that gives the player some health on consumption.
 pub struct Potion {
    /// a potion that restores some health
    position: Position,
    health: usize,
+    was_collected: bool,
 }

 impl Potion {
    pub fn new(position: Position) -> Self {
+        let min_health_gain = 5 + position.get_level();
+        let max_health_gain = min_health_gain + 3 * position.get_level();
        Self {
            position,
-            health: 5,
+            health: rand::thread_rng().gen_range(min_health_gain..=max_health_gain),
+            was_collected: false,
        }
    }
+
+    pub fn get_health(&self) -> usize {
+        self.health
+    }
 }

 impl Artifact for Potion {
    fn get_representation(&self) -> (&str, Color) {
        ("P", Color::Green)
    }
-    fn get_immutable_position(&self) -> &Position { &self.position }
+
+    fn get_immutable_position(&self) -> &Position {
+        &self.position
+    }
+
    fn collect(&mut self, player: &mut Player, messages: &mut Vec<String>) {
-        // only consume potion of the player can gain at least one health point
+        //! called when the player walked on to a potion.
+        //!
+        //! Depending on health status and inventory usage the potion will
+        //! be consumed directly or moved to inventory.
        if !player.is_healthy() {
            let old = player.get_life();
-            player.increase_life(self.health.try_into().unwrap());
+            player.change_life(self.health.try_into().unwrap());
            let new = player.get_life();
-            messages.insert(0, format!("picked up potion and gained {} hp.", new - old).to_string());
+            messages.insert(
+                0,
+                format!("picked up potion and gained {} health.", new - old).to_string(),
+            );
            self.health = 0;
+            self.was_collected = true;
+        } else if player.add_to_inventory(self) {
+            messages.insert(0, "move potion to inventory.".to_string());
+            self.was_collected = true;
        } else {
-            messages.insert(0, "not using the potion because you're healthy.".to_string());
+            messages.insert(0, "inventory is full.".to_string());
        }
    }

    fn was_collected(&self) -> bool {
-        self.health == 0
+        self.was_collected
    }
-}
+}
--- a/src/constants.rs
+++ b/src/constants.rs
@ -0,0 +1,137 @@
+use std::{collections::HashMap, ops::RangeInclusive};
+
+use crate::{monster::MonsterTypes, room::RoomType};
+
+/// the number of rooms in vertical direction
+pub const ROOMS_HORIZONTAL: usize = 8;
+/// the number of rooms in horizontal direction
+pub const ROOMS_VERTICAL: usize = 7;
+
+/// the width of a room in the grid of rooms (number of characters)
+pub const ROOM_WIDTH: usize = 9;
+/// the height of a room in the grid of rooms (number of characters)
+pub const ROOM_HEIGHT: usize = 6;
+
+// the minmal width of a room
+pub const ROOM_MIN_WIDTH: usize = 4;
+
+// the minmal height of a room
+pub const ROOM_MIN_HEIGHT: usize = 4;
+
+/// How many levels does the dungeon have?
+pub const LEVELS: usize = 4;
+
+/// length of a game frame in ms
+pub const FRAME_LENGTH: u64 = 100;
+
+/// define the minimum width of a terminal to run the game, must be at least the level width plus some space for stats and messages
+pub const MIN_WIDTH: u16 = 120;
+/// define the minimum height of a terminal to run the game, this must be at least the level height!
+pub const MIN_HEIGHT: u16 = LEVEL_HEIGHT as u16;
+
+/// the calculated width of a level
+pub const LEVEL_WIDTH: usize = 1 + ROOMS_HORIZONTAL * ROOM_WIDTH;
+/// the calculated height of a level
+pub const LEVEL_HEIGHT: usize = 1 + ROOMS_VERTICAL * ROOM_HEIGHT;
+
+pub fn get_monsters_per_level() -> Vec<HashMap<MonsterTypes, std::ops::RangeInclusive<u8>>> {
+    let tmp = [
+        // level 1
+        vec![(MonsterTypes::Rat, 50), (MonsterTypes::Spider, 50)],
+        // level 2
+        vec![(MonsterTypes::Rat, 50), (MonsterTypes::Snake, 50)],
+        // level 3
+        vec![
+            (MonsterTypes::Orc, 34),
+            (MonsterTypes::Skeleton, 33),
+            (MonsterTypes::Snake, 33),
+        ],
+        // level 4
+        vec![
+            (MonsterTypes::Orc, 34),
+            (MonsterTypes::Skeleton, 33),
+            (MonsterTypes::Snake, 33),
+        ],
+    ];
+    if tmp.len() < LEVELS {
+        panic!(
+            "Only {} monster sets defined for {} levels!",
+            tmp.len(),
+            LEVELS
+        );
+    }
+    let mut result: Vec<HashMap<MonsterTypes, std::ops::RangeInclusive<u8>>> = vec![];
+    for (idx, level) in tmp.iter().enumerate() {
+        let mut sum = 0;
+        let mut map: HashMap<MonsterTypes, RangeInclusive<u8>> = HashMap::new();
+        for monster in level {
+            map.insert(monster.0, RangeInclusive::new(sum + 1, sum + monster.1));
+            sum += monster.1;
+        }
+        if sum != 100 {
+            panic!(
+                "all percentages must add to 100 (was {}) per level, error in level {}!",
+                sum,
+                idx + 1
+            );
+        }
+        result.push(map);
+    }
+    result
+}
+
+pub fn get_room_type_per_level() -> Vec<HashMap<RoomType, std::ops::RangeInclusive<u8>>> {
+    let tmp = [
+        // level 1
+        vec![
+            (RoomType::EmptyRoom, 50),
+            (RoomType::ArtifactRoom, 10),
+            (RoomType::MonsterRoom, 20),
+            (RoomType::BasicRoom, 20),
+        ],
+        // level 2
+        vec![
+            (RoomType::EmptyRoom, 50),
+            (RoomType::BasicRoom, 25),
+            (RoomType::MonsterRoom, 12),
+            (RoomType::ArtifactRoom, 13),
+        ],
+        // level 3
+        vec![
+            (RoomType::EmptyRoom, 50),
+            (RoomType::BasicRoom, 25),
+            (RoomType::MonsterRoom, 25),
+        ],
+        // level 4
+        vec![
+            (RoomType::BasicRoom, 33),
+            (RoomType::MonsterRoom, 33),
+            (RoomType::ArtifactRoom, 34),
+        ],
+    ];
+    if tmp.len() < LEVELS {
+        panic!(
+            "Only {} room sets defined for {} levels!",
+            tmp.len(),
+            LEVELS
+        );
+    }
+    let mut result: Vec<HashMap<RoomType, std::ops::RangeInclusive<u8>>> = vec![];
+    for (idx, level) in tmp.iter().enumerate() {
+        let mut sum = 0;
+        let mut map: HashMap<RoomType, RangeInclusive<u8>> = HashMap::new();
+        for room in level {
+            map.insert(room.0, RangeInclusive::new(sum + 1, sum + room.1));
+            sum += room.1;
+        }
+        if sum != 100 {
+            panic!(
+                "all percentages must add to 100 (was {}) per level, error in level {}!",
+                sum,
+                idx + 1
+            );
+        }
+        result.push(map);
+    }
+    result
+}
--- a/src/dungeon_slayer.rs
+++ b/src/dungeon_slayer.rs
@ -1,150 +0,0 @@
-use rand::Rng;
-
-
-pub fn do_challenge(stat: u8) -> (bool, u8) {
-    if stat <= 20 {
-        let mut rng = rand::thread_rng();
-        let dice_roll = rng.gen_range(1..21);
-        return match dice_roll {
-            20 => { (false, 0) }
-            1 => { (true, dice_roll) }
-            _ => {
-                if dice_roll <= stat {
-                    (true, stat - dice_roll)
-                } else {
-                    (false, 0)
-                }
-            }
-        };
-    }
-    (false, 0)
-}
-
-#[allow(dead_code)]
-pub struct PlayerStats {
-    // dungeon slayer attributes
-    pub(crate) body: u8,
-    pub(crate) agility: u8,
-    pub(crate) mind: u8,
-
-    // dungeon slayer properties
-    //  for body
-    pub(crate) strength: u8,
-    pub(crate) toughness: u8,
-    //  for agility
-    pub(crate) movement: u8,
-    pub(crate) dexterity: u8,
-    // for mind
-    pub(crate) wisdom: u8,
-    // TODO maybe the wrong translation of Verstand
-    pub(crate) aura: u8,
-}
-
-impl PlayerStats {
-    /// create random values for the 3 attributes of the dungeon slayer character
-    /// Each attribute is between 4 and 8, not over 20 in sum.
-    fn create_random_attributes() -> (u8, u8, u8) {
-        let mut values: [u8; 3] = [8, 8, 8];
-        let mut rng = rand::thread_rng();
-        while values[0] + values[1] + values[2] > 20 {
-            let i = rng.gen_range(0..3);
-            values[i] = values[i].saturating_sub(1);
-        }
-        (values[0], values[1], values[2])
-    }
-
-    /// create random values for the 6 properties of the dungeon slayer character
-    /// Each property is between 0 and 4, not over 8 in sum.
-    fn create_random_properties() -> (u8, u8, u8, u8, u8, u8) {
-        let mut values: [u8; 6] = [4, 4, 4, 4, 4, 4];
-        let mut rng = rand::thread_rng();
-        while values[0] + values[1] + values[2] + values[3] + values[4] + values[5] > 8 {
-            let i = rng.gen_range(0..6);
-            values[i] = values[i].saturating_sub(1);
-        }
-        (values[0], values[1], values[2], values[3], values[4], values[5])
-    }
-
-    /// create a set of player stats containing attributes and properties according to the
-    /// dungeon slayer rules.
-    pub fn create_random() -> PlayerStats {
-        let attributes = PlayerStats::create_random_attributes();
-        let properties = PlayerStats::create_random_properties();
-        PlayerStats {
-            body: attributes.0,
-            agility: attributes.1,
-            mind: attributes.2,
-            strength: properties.0,
-            toughness: properties.1,
-            movement: properties.2,
-            dexterity: properties.3,
-            wisdom: properties.4,
-            aura: properties.5,
-        }
-    }
-
-    /// calculate the max life based on this player stats.
-    pub fn get_max_life(&self) -> u8 {
-        self.body + self.toughness + 10
-    }
-    pub fn get_defense(&self) -> u8 {
-        self.body + self.toughness // TODO + self.armor
-    }
-    pub fn get_hit(&self) -> u8 {
-        self.body + self.strength // TODO + self.weapon
-    }
-}
-
-#[allow(dead_code)]
-pub struct MonsterStats {
-    // dungeon slayer attributes
-    pub(crate) body: u8,
-    pub(crate) agility: u8,
-    pub(crate) mind: u8,
-
-    // dungeon slayer properties
-    //  for body
-    pub(crate) strength: u8,
-    pub(crate) toughness: u8,
-    //  for agility
-    pub(crate) movement: u8,
-    pub(crate) dexterity: u8,
-    // for mind
-    pub(crate) wisdom: u8,
-    // TODO maybe the wrong translation of Verstand
-    pub(crate) aura: u8,
-
-    pub(crate) max_life: u8,
-    pub(crate) defense: u8,
-    pub(crate) initiative: u8,
-    pub(crate) walk: u8,
-    pub(crate) hit: u8,
-    pub(crate) shoot: u8,
-    pub(crate) cast: u8,
-    pub(crate) targeted_cast: u8,
-}
-
-#[test]
-fn test_create_random_attributes() {
-    for _ in 0..1000 {
-        let attributes = PlayerStats::create_random_attributes();
-        assert!(attributes.0 <= 8);
-        assert!(attributes.1 <= 8);
-        assert!(attributes.2 <= 8);
-        assert_eq!(attributes.0 + attributes.1 + attributes.2, 20);
-    }
-}
-
-#[test]
-fn test_create_random_properties() {
-    for _ in 0..1000 {
-        let properties = PlayerStats::create_random_properties();
-        assert!(properties.0 <= 4);
-        assert!(properties.1 <= 4);
-        assert!(properties.2 <= 4);
-        assert!(properties.3 <= 4);
-        assert!(properties.4 <= 4);
-        assert!(properties.5 <= 4);
-        assert_eq!(properties.0 + properties.1 + properties.2 + properties.3 + properties.4 + properties.5, 8);
-    }
-}
--- a/src/game.rs
+++ b/src/game.rs
@ -1,33 +1,28 @@
-use crate::dungeon_slayer::do_challenge;
-#[cfg(test)]
-use crate::dungeon_slayer::PlayerStats;
+use crate::constants::LEVELS;
 use crate::level::{Level, StructureElement};
 use crate::level_generator::LevelGenerator;
 use crate::player::Player;
 use crate::position::{HasPosition, Position};

-pub const LEVELS: usize = 10;
-
 #[derive(PartialEq)]
 /// represents a state of a game
 pub enum GameState {
    /// the game is ongoing (neither won or lost)
-    RUNNING,
+    Running,
    /// the player died
-    LOST,
+    Lost,
    /// the player reached the Ω
-    WON,
+    Won,
 }

-
 /// the main structure to hold all information about the ongoing game
 pub struct Game {
    /// the player
    player: Player,
    /// the levels of the game
    levels: Vec<Level>,
+    /// messages that are displayed in the ui
    pub messages: Vec<String>,
-    use_fog_of_war: bool,
 }

 impl Game {
@ -40,13 +35,13 @@ impl Game {
            player: p,
            levels: v,
            messages: Vec::with_capacity(10),
-            use_fog_of_war: true,
        };
-        let start = {
-            g.get_level(0).start
-        };
-        g.get_mutable_player().get_position().set(0, start.0, start.1);
-        g.get_mutable_level(0).discover(&Position::new(0, start.0, start.1));
+        let start = { g.get_level(0).start };
+        g.get_mutable_player()
+            .get_position()
+            .set(0, start.0, start.1);
+        g.get_mutable_level(0)
+            .discover(&Position::new(0, start.0, start.1));
        g
    }

@ -55,9 +50,8 @@ impl Game {
        match self.next_element(0, 0) {
            None => {}
            Some(a) => {
-                match a {
-                    StructureElement::End => { return true; }
-                    _ => {}
+                if a == StructureElement::End {
+                    return true;
                }
            }
        };
@ -66,23 +60,25 @@ impl Game {
    /// returns the state of the game (depending on player's life and position)
    pub fn get_game_state(&mut self) -> GameState {
        if self.player.is_dead() {
-            return GameState::LOST;
+            return GameState::Lost;
        }
        if self.player_reached_goal() {
-            return GameState::WON;
+            return GameState::Won;
        }
-        GameState::RUNNING
+        GameState::Running
    }
    pub fn get_player(&self) -> &Player {
        &self.player
    }
-    pub fn toggle_fog_of_war(&mut self) { self.use_fog_of_war = !self.use_fog_of_war; }
-    pub fn uses_fog_of_war(&self) -> bool { self.use_fog_of_war }
    pub fn get_mutable_player(&mut self) -> &mut Player {
        &mut self.player
    }
-    pub fn get_level(&self, level: usize) -> &Level { &self.levels[level] }
-    pub fn get_mutable_level(&mut self, level: usize) -> &mut Level { &mut self.levels[level] }
+    pub fn get_level(&self, level: usize) -> &Level {
+        &self.levels[level]
+    }
+    pub fn get_mutable_level(&mut self, level: usize) -> &mut Level {
+        &mut self.levels[level]
+    }
    /// check if the player can move in the given direction. This only checks for structure element
    /// limitation as walls.
    fn can_move(&mut self, dx: i16, dy: i16) -> bool {
@ -109,7 +105,7 @@ impl Game {
        let new_y: i16 = player_pos.get_y() as i16 + dy;
        let player_level = player_pos.get_level();
        let level = &mut self.levels[player_level];
-        level.get_element(new_x, new_y, self.use_fog_of_war).0
+        level.get_element(new_x, new_y).0
    }

    /// move the game's player into the given direction. If on the target field there is a stair,
@ -127,59 +123,83 @@ impl Game {
        let structure = self.next_element(dx, dy);

        // use stairs if walked onto one
-        match structure {
-            Some(e) => {
-                match e {
-                    StructureElement::StairDown => {
-                        (dx, dy) = (0, 0);
-                        let (next_level, x, y) = self.next_start();
-                        player_level = next_level;
-                        self.messages.insert(0, format!("You climb down to level {}.", next_level));
-                        self.get_mutable_player().get_position().set(next_level, x, y);
-                    }
-                    StructureElement::StairUp => {
-                        (dx, dy) = (0, 0);
-                        let (next_level, x, y) = self.prev_end();
-                        player_level = next_level;
-                        self.messages.insert(0, format!("You climb up to level {}.", next_level));
-                        self.get_mutable_player().get_position().set(next_level, x, y);
-                    }
-                    _ => {}
+        if let Some(e) = structure {
+            match e {
+                StructureElement::StairDown => {
+                    (dx, dy) = (0, 0);
+                    let (next_level, x, y) = self.next_start();
+                    player_level = next_level;
+                    self.messages
+                        .insert(0, format!("you climb down to level {}.", next_level + 1));
+                    self.get_mutable_player()
+                        .get_position()
+                        .set(next_level, x, y);
                }
+                StructureElement::StairUp => {
+                    (dx, dy) = (0, 0);
+                    let (next_level, x, y) = self.prev_end();
+                    player_level = next_level;
+                    self.messages
+                        .insert(0, format!("you climb up to level {}.", next_level + 1));
+                    self.get_mutable_player()
+                        .get_position()
+                        .set(next_level, x, y);
+                }
+                _ => {}
            }
-            _ => {}
-        }
+        };

        // update position and discover area on new position
        let (new_x, new_y) = self.get_mutable_player().get_position().change(dx, dy);
-        self.get_mutable_level(player_level).discover(&Position::new(player_level, new_x, new_y));
+        self.get_mutable_level(player_level)
+            .discover(&Position::new(player_level, new_x, new_y));
        (-dx, -dy)
    }
+
    pub fn player_fights_monster(&mut self) -> bool {
        let player_pos = &self.player.get_immutable_position();
        let player_level = player_pos.get_level();
        let level = &mut self.levels[player_level];
-        let (_, m, _) = level.get_element(player_pos.get_x() as i16, player_pos.get_y() as i16, true);
+        let (_, m, _) = level.get_element(player_pos.get_x() as i16, player_pos.get_y() as i16);
        match m {
            None => {}
            Some(m) => {
-                // Player attacks monster
-                let attack = do_challenge(self.player.player_stats.get_hit());
-                if attack.0 {
-                    let mut damage = attack.1;
-                    let defense = do_challenge(m.get_defense());
-                    if defense.0 {
-                        damage = damage.saturating_sub(defense.1);
-                    }
-                    self.messages.insert(0, format!("Attack on {} successful with {} damage.", m.get_name(), damage).to_string());
-                    m.decrease_life(damage as usize);
-                } else {
-                    self.messages.insert(0, format!("Attack on {} failed.", m.get_name()).to_string());
-                }
-                // monster died, player gains experience
+                let player_dmg = self.player.damage();
+                m.decrease_life(player_dmg);
                if m.is_dead() {
-                    self.player.gain_experience(m.get_experience_gain());
-                    self.messages.insert(0, format!("You killed the {}.", m.get_name()).to_string());
+                    let level_up: bool = self.player.gain_experience(m.get_experience_gain());
+                    self.messages.insert(
+                        0,
+                        format!(
+                            "you hit {} for {} damage and kill it.",
+                            m.get_name(),
+                            player_dmg
+                        )
+                        .to_string(),
+                    );
+                    if level_up {
+                        self.messages.insert(
+                            0,
+                            format!(
+                                "you reach a new experience level, it's now {}",
+                                self.player.get_experience_level(),
+                            )
+                            .to_string(),
+                        );
+                    }
+                } else {
+                    self.messages.insert(
+                        0,
+                        format!("you hit {} for {} damage.", m.get_name(), player_dmg).to_string(),
+                    );
+                    let monster_dmg = m.damage() as i16;
+                    self.player.change_life(-monster_dmg);
+
+                    self.messages.insert(
+                        0,
+                        format!("{} hits you for {} damage.", m.get_name(), monster_dmg)
+                            .to_string(),
+                    );
                }
                return m.is_dead();
            }
@ -190,7 +210,7 @@ impl Game {
        let player_pos = &self.player.get_immutable_position();
        let player_level = player_pos.get_level();
        let level = &mut self.levels[player_level];
-        let (_, _, a) = level.get_element(player_pos.get_x() as i16, player_pos.get_y() as i16, true);
+        let (_, _, a) = level.get_element(player_pos.get_x() as i16, player_pos.get_y() as i16);
        match a {
            None => {}
            Some(a) => {
@ -199,48 +219,24 @@ impl Game {
        }
    }
    /// updates the player's current level. This will remove collected artifacts and dead monsters.
-    /// ticks is measuring the progress of the game even if the player is not moving, player_moved
-    /// indicates the player moved
-    pub fn update_level(&mut self, ticks: u128, player_moved: bool) {
+    pub fn update_level(&mut self, ticks: u128) {
        let player_pos = &self.player.get_immutable_position();
        let player_level = player_pos.get_level();
        let level = &mut self.levels[player_level];
-        level.update(ticks, player_moved, &mut self.player, &mut self.messages);
+        level.update(ticks, &mut self.player, &mut self.messages);
    }
 }

 #[test]
 fn game_has_correct_number_of_levels() {
-    let player_stats = PlayerStats {
-        body: 8,
-        agility: 8,
-        mind: 4,
-        strength: 3,
-        toughness: 3,
-        movement: 1,
-        dexterity: 1,
-        wisdom: 0,
-        aura: 0,
-    };
-    let p = Player::new("foo", player_stats);
+    let p = Player::new("foo", 42);
    let g = Game::new(p);
    assert_eq!(g.levels.len(), LEVELS);
 }

 #[test]
 fn game_has_player() {
-    let player_stats = PlayerStats {
-        body: 8,
-        agility: 8,
-        mind: 4,
-        strength: 3,
-        toughness: 3,
-        movement: 1,
-        dexterity: 1,
-        wisdom: 0,
-        aura: 0,
-    };
-    let p = Player::new("foo", player_stats);
+    let p = Player::new("foo", 42);
    let g = Game::new(p);
    assert_eq!(g.get_player().get_name(), "foo");
    assert_eq!(g.get_player().get_immutable_position().get_level(), 0);
@ -248,38 +244,16 @@ fn game_has_player() {

 #[test]
 fn game_has_mutable_player() {
-    let player_stats = PlayerStats {
-        body: 8,
-        agility: 8,
-        mind: 4,
-        strength: 3,
-        toughness: 3,
-        movement: 1,
-        dexterity: 1,
-        wisdom: 0,
-        aura: 0,
-    };
-    let p = Player::new("foo", player_stats);
+    let p = Player::new("foo", 42);
    let mut g = Game::new(p);
    assert_eq!(g.get_player().get_name(), "foo");
-    g.get_mutable_player().decrease_life(1);
-    assert_eq!(g.get_player().get_life(), 20);
+    g.get_mutable_player().change_life(-1);
+    assert_eq!(g.get_player().get_life(), 41);
 }

 #[test]
 fn game_get_level() {
-    let player_stats = PlayerStats {
-        body: 8,
-        agility: 8,
-        mind: 4,
-        strength: 3,
-        toughness: 3,
-        movement: 1,
-        dexterity: 1,
-        wisdom: 0,
-        aura: 0,
-    };
-    let p = Player::new("foo", player_stats);
+    let p = Player::new("foo", 42);
    let mut g = Game::new(p);
    g.get_level(0);
    assert_ne!(g.get_level(0).start, (0, 0));
--- a/src/level.rs
+++ b/src/level.rs
@ -1,19 +1,20 @@
 use std::cmp::{max, min};

+use rand::rngs::ThreadRng;
+use rand::Rng;
+
+use crate::artifacts::Artifact;
 #[cfg(test)]
 use crate::artifacts::{Chest, Potion};
-use crate::artifacts::Artifact;
-use crate::dungeon_slayer::do_challenge;
+use crate::constants::LEVEL_HEIGHT;
+use crate::constants::LEVEL_WIDTH;
+use crate::monster::Monster;
 #[cfg(test)]
 use crate::monster::{Orc, Rat};
-use crate::monster::Monster;
 use crate::player::Player;
 use crate::position::HasPosition;
 use crate::position::Position;

-pub const LEVEL_WIDTH: usize = 50;
-pub const LEVEL_HEIGHT: usize = 25;
-
 #[derive(Copy, Clone, Debug, PartialEq)]
 pub enum StructureElement {
    Start,
@ -25,6 +26,9 @@ pub enum StructureElement {
    Unknown,
 }

+type PossibleArtifact<'a> = Option<&'a mut Box<(dyn Artifact + 'static)>>;
+type PossibleMonster<'a> = Option<&'a mut Box<(dyn Monster + 'static)>>;
+
 pub struct Level {
    pub(crate) level: usize,
    pub(crate) structure: [[StructureElement; LEVEL_HEIGHT]; LEVEL_WIDTH],
@ -35,10 +39,15 @@ pub struct Level {
    pub(crate) start: (usize, usize),
    /// the position of the end in the level (either stair down or end point)
    pub(crate) end: (usize, usize),
+    pub(crate) rng: ThreadRng,
 }

 impl Level {
-    pub fn get_element(&mut self, x: i16, y: i16, use_fog_of_war: bool) -> (Option<StructureElement>, Option<&mut Box<(dyn Monster + 'static)>>, Option<&mut Box<(dyn Artifact + 'static)>>) {
+    pub fn get_element(
+        &mut self,
+        x: i16,
+        y: i16,
+    ) -> (Option<StructureElement>, PossibleMonster, PossibleArtifact) {
        if x < 0 || y < 0 {
            return (None, None, None);
        }
@ -47,7 +56,8 @@ impl Level {
        if x >= LEVEL_WIDTH || y >= LEVEL_HEIGHT {
            return (None, None, None);
        }
-        if use_fog_of_war && !self.discovered[x][y] {
+        if !self.discovered[x][y] {
+            // #[cfg(test)]
            return (Some(StructureElement::Unknown), None, None);
        }
        let search_pos = &Position::new(self.level, x, y);
@ -109,7 +119,7 @@ impl Level {
            }
        }
    }
-    pub fn update(&mut self, ticks: u128, player_moved: bool, player: &mut Player, messages: &mut Vec<String>) {
+    pub fn update(&mut self, ticks: u128, player: &mut Player, messages: &mut Vec<String>) {
        for (index, a) in &mut self.artifacts.iter().enumerate() {
            if a.was_collected() {
                self.artifacts.remove(index);
@ -120,35 +130,83 @@ impl Level {
            if self.monsters[index].is_dead() {
                continue;
            }
-            // if the player moved, the monsters move as well all the time
-            if !player_moved && ticks % self.monsters[index].get_ticks_between_steps() != 0 {
+            if ticks % self.monsters[index].get_ticks_between_steps() != 0 {
                continue;
            }
            loop {
                // calculate the direction the monster will try to walk
-                let (dx, dy) = self.monsters[index].get_next_move(&self, player.get_immutable_position());
+                let (dx, dy) = match self.rng.gen_range(0..5) {
+                    1 => (1, 0),
+                    2 => (-1, 0),
+                    3 => (0, 1),
+                    4 => (0, -1),
+                    _ => (0, 0),
+                };
                if self.can_monster_move(self.monsters[index].as_ref(), dx, dy) {
                    let (new_x, new_y) = self.monsters[index].get_position().change(dx, dy);
-                    if player.get_immutable_position().get_x() == new_x && player.get_immutable_position().get_y() == new_y {
-                        // TODO monster attacks
-                        let attack = do_challenge(self.monsters[index].get_hit());
-                        if attack.0 {
-                            let mut damage = attack.1;
-                            let defense = do_challenge(player.player_stats.get_defense());
-                            if defense.0 {
-                                damage = damage.saturating_sub(defense.1);
-                            }
-                            player.decrease_life(damage);
-                            if player.is_dead() {
-                                messages.insert(0, format!("Attack from {} killed you.", self.monsters[index].get_name()).to_string());
-                            } else {
-                                messages.insert(0, format!("Attack from {} successful with {} damage.", self.monsters[index].get_name(), damage).to_string());
-                            }
+                    if player.get_immutable_position().get_x() == new_x
+                        && player.get_immutable_position().get_y() == new_y
+                    {
+                        let monster_dmg = self.monsters[index].damage() as i16;
+                        player.change_life(-monster_dmg);
+                        if player.is_dead() {
+                            messages.insert(
+                                0,
+                                format!(
+                                    "{} hits you for {} damage and kills you.",
+                                    self.monsters[index].get_name(),
+                                    monster_dmg
+                                )
+                                .to_string(),
+                            );
                        } else {
-                            messages.insert(0, format!("Attack from {} failed.", self.monsters[index].get_name()).to_string());
-                        }
-                        if !player.is_dead() {
+                            messages.insert(
+                                0,
+                                format!(
+                                    "{} hits you for {} damage.",
+                                    self.monsters[index].get_name(),
+                                    monster_dmg
+                                )
+                                .to_string(),
+                            );
+                            // player not dead => monster can occupy new position
                            self.monsters[index].get_position().change(-dx, -dy);
+                            // player fights back
+                            let player_dmg = player.damage();
+                            self.monsters[index].decrease_life(player_dmg);
+                            if self.monsters[index].is_dead() {
+                                let level_up: bool = player
+                                    .gain_experience(self.monsters[index].get_experience_gain());
+                                messages.insert(
+                                    0,
+                                    format!(
+                                        "you hit {} for {} damage and kill it.",
+                                        self.monsters[index].get_name(),
+                                        player_dmg
+                                    )
+                                    .to_string(),
+                                );
+                                if level_up {
+                                    messages.insert(
+                                        0,
+                                        format!(
+                                            "you reach a new experience level, it's now {}",
+                                            player.get_experience_level(),
+                                        )
+                                        .to_string(),
+                                    );
+                                }
+                            } else {
+                                messages.insert(
+                                    0,
+                                    format!(
+                                        "you hit {} for {} damage.",
+                                        self.monsters[index].get_name(),
+                                        player_dmg
+                                    )
+                                    .to_string(),
+                                );
+                            }
                        }
                    }
                    break;
@ -175,7 +233,9 @@ impl Level {

        for index in 0..self.monsters.len() {
            let pos = self.monsters[index].get_immutable_position();
-            if pos.get_x() == new_x && pos.get_y() == new_y { return false; }
+            if pos.get_x() == new_x && pos.get_y() == new_y {
+                return false;
+            }
        }
        self.structure[new_x][new_y] != StructureElement::Wall
    }
@ -207,6 +267,7 @@ impl Level {
            artifacts: Vec::with_capacity(10),
            start: (0, 0),
            end: (0, 0),
+            rng: rand::thread_rng(),
        }
    }
    #[cfg(test)]
@ -240,23 +301,31 @@ impl Level {
 #[test]
 fn test_get_element() {
    let mut l = Level::new(0);
-    assert_eq!(l.get_element(-1, -1, true).0, None);
-    assert_eq!(l.get_element(0, 0, true).0.unwrap(), StructureElement::Unknown);
-    assert_eq!(l.get_element(LEVEL_WIDTH as i16 - 1, LEVEL_HEIGHT as i16 - 1, true).0.unwrap(), StructureElement::Unknown);
-    assert_eq!(l.get_element(LEVEL_WIDTH as i16, LEVEL_HEIGHT as i16, true).0, None);
+    assert_eq!(l.get_element(-1, -1).0, None);
+    assert_eq!(l.get_element(0, 0).0.unwrap(), StructureElement::Unknown);
+    assert_eq!(
+        l.get_element(LEVEL_WIDTH as i16 - 1, LEVEL_HEIGHT as i16 - 1)
+            .0
+            .unwrap(),
+        StructureElement::Unknown
+    );
+    assert_eq!(
+        l.get_element(LEVEL_WIDTH as i16, LEVEL_HEIGHT as i16).0,
+        None
+    );
 }

 #[test]
 fn test_discover_get_element() {
    let mut l = Level::new(0);
-    assert_eq!(l.get_element(10, 10, true).0.unwrap(), StructureElement::Unknown);
+    assert_eq!(l.get_element(10, 10).0.unwrap(), StructureElement::Unknown);
    let p = Position::new(0, 10, 10);
    l.discover(&p);
-    assert_eq!(l.get_element(10, 10, true).0.unwrap(), StructureElement::Floor);
-    assert_eq!(l.get_element(9, 10, true).0.unwrap(), StructureElement::Floor);
-    assert_eq!(l.get_element(10, 9, true).0.unwrap(), StructureElement::Floor);
-    assert_eq!(l.get_element(11, 10, true).0.unwrap(), StructureElement::Floor);
-    assert_eq!(l.get_element(10, 11, true).0.unwrap(), StructureElement::Floor);
+    assert_eq!(l.get_element(10, 10).0.unwrap(), StructureElement::Floor);
+    assert_eq!(l.get_element(9, 10).0.unwrap(), StructureElement::Floor);
+    assert_eq!(l.get_element(10, 9).0.unwrap(), StructureElement::Floor);
+    assert_eq!(l.get_element(11, 10).0.unwrap(), StructureElement::Floor);
+    assert_eq!(l.get_element(10, 11).0.unwrap(), StructureElement::Floor);
 }

 #[test]
@ -297,20 +366,20 @@ fn test_discover_get_monster() {
    let mut l = Level::new(0);
    let p = Position::new(0, 10, 10);
    l.discover(&p);
-    assert_eq!(l.get_element(10, 10, true).0.unwrap(), StructureElement::Floor);
-    assert!(l.get_element(10, 10, true).1.is_none());
+    assert_eq!(l.get_element(10, 10).0.unwrap(), StructureElement::Floor);
+    assert!(l.get_element(10, 10).1.is_none());

    let m = Rat::new_with_position(Position::new(0, 10, 10));
    assert_eq!(l.add_monster(m), Ok(()));

-    let elem = l.get_element(10, 10, true);
+    let elem = l.get_element(10, 10);
    assert_eq!(elem.0.unwrap(), StructureElement::Floor);
    assert!(elem.1.is_some());
    let m = elem.1.unwrap();
-    assert_eq!(m.get_life(), 3);
+    assert_eq!(m.get_life(), 2);

-    m.decrease_life(3);
-    assert_eq!(l.get_element(10, 10, true).1.unwrap().get_life(), 0);
+    m.decrease_life(2);
+    assert_eq!(l.get_element(10, 10).1.unwrap().get_life(), 0);
 }

 #[test]
@ -318,13 +387,13 @@ fn test_discover_get_artifact() {
    let mut l = Level::new(0);
    let p = Position::new(0, 10, 10);
    l.discover(&p);
-    assert_eq!(l.get_element(10, 10, true).0.unwrap(), StructureElement::Floor);
-    assert!(l.get_element(10, 10, true).2.is_none());
+    assert_eq!(l.get_element(10, 10).0.unwrap(), StructureElement::Floor);
+    assert!(l.get_element(10, 10).2.is_none());

    let a = Chest::new(Position::new(0, 10, 10));
    assert_eq!(l.add_artifact(a), Ok(()));

-    let elem = l.get_element(10, 10, true);
+    let elem = l.get_element(10, 10);
    assert_eq!(elem.0.unwrap(), StructureElement::Floor);
    assert!(elem.2.is_some());
 }
@ -338,12 +407,12 @@ fn test_discover_get_monster_can_move() {
    let m = Rat::new_with_position(Position::new(0, 10, 10));
    l.add_monster(m).expect("Panic because of");

-    let m = l.get_element(10, 10, true).1.unwrap();
+    let m = l.get_element(10, 10).1.unwrap();
    m.get_position().change(1, 1);

-    let m = l.get_element(10, 10, true).1;
+    let m = l.get_element(10, 10).1;
    assert!(m.is_none());
-    let m = l.get_element(11, 11, true).1;
+    let m = l.get_element(11, 11).1;
    assert!(m.is_some());
-    assert_eq!(m.unwrap().get_life(), 3);
+    assert_eq!(m.unwrap().get_life(), 2);
 }
--- a/src/level_generator.rs
+++ b/src/level_generator.rs
--- a/src/level_ladder.rs
+++ b/src/level_ladder.rs
@ -0,0 +1,30 @@
+pub struct LevelLadder {
+    curr: usize,
+    next: usize,
+}
+
+impl Iterator for LevelLadder {
+    type Item = usize;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        let current = self.curr;
+
+        self.curr = self.next;
+        self.next += current;
+
+        // Since there's no endpoint to a Fibonacci sequence, the `Iterator`
+        // will never return `None`, and `Some` is always returned.
+        Some(current * 30)
+    }
+}
+
+// Returns a Fibonacci sequence generator
+pub fn get_level_ladder() -> LevelLadder {
+    LevelLadder { curr: 1, next: 2 }
+}
+
+#[test]
+fn test_level_ladder() {
+    let mut iter = get_level_ladder();
+    assert_eq!(iter.next(), Some(30));
+}
--- a/src/level_widget.rs
+++ b/src/level_widget.rs
@ -1,30 +1,27 @@
 use ratatui::buffer::Buffer;
 use ratatui::layout::Rect;
-use ratatui::style::Color;
+use ratatui::style::{Color, Modifier, Style};
 use ratatui::widgets::{StatefulWidget, Widget};

 use crate::game::Game;
 use crate::level::StructureElement;
 use crate::position::HasPosition;

-const FG_BROWN: Color = Color::Rgb(186, 74, 0);
+const FG_BROWN: Color = Color::Rgb(140, 34, 0);
+const BACKGROUND: Color = Color::Black;

-pub struct LevelWidget {
-    use_fog_of_war: bool,
-}
+pub struct LevelWidget {}

 impl LevelWidget {
-    pub fn new(use_fog_of_war: bool) -> Self {
-        LevelWidget {
-            use_fog_of_war
-        }
-    }
    fn set_cell(&self, buf: &mut Buffer, x: u16, y: u16, symbol: &str, fg: Color, bg: Color) {
-        buf.
-            get_mut(x, y).
-            set_symbol(symbol).
-            set_bg(bg).
-            set_fg(fg);
+        buf[(x, y)].set_symbol(symbol).set_bg(bg).set_fg(fg);
+    }
+    fn set_bold_cell(&self, buf: &mut Buffer, x: u16, y: u16, symbol: &str, fg: Color, bg: Color) {
+        buf[(x, y)]
+            .set_symbol(symbol)
+            .set_bg(bg)
+            .set_fg(fg)
+            .set_style(Style::new().add_modifier(Modifier::BOLD));
    }
 }

@ -46,40 +43,40 @@ impl StatefulWidget for LevelWidget {
                    let level = state.get_mutable_level(player_level);
                    let level_x = (x - al) as i16;
                    let level_y = (y - at) as i16;
-                    match level.get_element(level_x, level_y, self.use_fog_of_war) {
+                    match level.get_element(level_x, level_y) {
                        (Some(structure_element), None, None) => {
                            match structure_element {
                                StructureElement::Start => {
-                                    self.set_cell(buf, x, y, "α", Color::Black, Color::Gray);
+                                    self.set_cell(buf, x, y, "α", Color::White, BACKGROUND);
                                }
                                StructureElement::End => {
-                                    self.set_cell(buf, x, y, "Ω", Color::Black, Color::Gray);
+                                    self.set_cell(buf, x, y, "Ω", Color::White, BACKGROUND);
                                }
                                StructureElement::Wall => {
-                                    // TODO add fancy walls
-                                    self.set_cell(buf, x, y, "#", FG_BROWN, Color::Gray);
+                                    // TODO add fancy walls with https://en.wikipedia.org/wiki/Box-drawing_characters
+                                    self.set_cell(buf, x, y, "#", FG_BROWN, FG_BROWN);
                                }
                                StructureElement::Floor => {
-                                    self.set_cell(buf, x, y, " ", FG_BROWN, Color::Gray);
+                                    self.set_cell(buf, x, y, " ", FG_BROWN, BACKGROUND);
                                }
                                StructureElement::StairDown => {
-                                    self.set_cell(buf, x, y, ">", Color::Black, Color::Gray);
+                                    self.set_cell(buf, x, y, ">", Color::White, BACKGROUND);
                                }
                                StructureElement::StairUp => {
-                                    self.set_cell(buf, x, y, "<", Color::Black, Color::Gray);
+                                    self.set_cell(buf, x, y, "<", Color::White, BACKGROUND);
                                }
                                StructureElement::Unknown => {
-                                    self.set_cell(buf, x, y, "▒", Color::DarkGray, Color::Gray);
+                                    self.set_cell(buf, x, y, "▒", Color::Gray, BACKGROUND);
                                }
                            }
                        }
                        (_, Some(m), _) => {
                            let (s, c) = m.get_representation();
-                            self.set_cell(buf, x, y, s, c, Color::Gray);
+                            self.set_cell(buf, x, y, s, c, BACKGROUND);
                        }
                        (_, _, Some(t)) => {
                            let (s, c) = t.get_representation();
-                            self.set_cell(buf, x, y, s, c, Color::Gray);
+                            self.set_bold_cell(buf, x, y, s, c, BACKGROUND);
                        }
                        (None, None, None) => {}
                    };
@ -91,7 +88,7 @@ impl StatefulWidget for LevelWidget {
            let player_pos = player.get_immutable_position();
            let player_x = al + player_pos.get_x() as u16;
            let player_y = at + player_pos.get_y() as u16;
-            self.set_cell(buf, player_x, player_y, "8", Color::Red, Color::Gray);
+            self.set_cell(buf, player_x, player_y, "8", Color::LightRed, BACKGROUND);
        }
    }
 }
--- a/src/main.rs
+++ b/src/main.rs
@ -1,207 +1,204 @@
-use std::cmp::min;
-use std::io::{Result, Stdout};
 use std::io::stdout;
-use std::string::ToString;
+use std::io::Result;
 use std::time::Instant;

-use clap::Parser;
+use constants::FRAME_LENGTH;
+use constants::LEVELS;
+use constants::LEVEL_HEIGHT;
+use constants::LEVEL_WIDTH;
+use constants::MIN_HEIGHT;
+use constants::MIN_WIDTH;
 use crossterm::{
    event::{self, KeyCode, KeyEventKind},
-    ExecutableCommand,
    terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
+    ExecutableCommand,
 };
+use ratatui::prelude::*;
+use ratatui::widgets::{Block, BorderType, Borders, Wrap};
 use ratatui::{
    prelude::{CrosstermBackend, Terminal},
    widgets::Paragraph,
 };
-use ratatui::prelude::*;
-use ratatui::widgets::{Block, Borders, BorderType, Wrap};
-use ratatui::widgets::block::{Position, Title};
 use whoami::realname;

-use crate::dungeon_slayer::PlayerStats;
 use crate::game::{Game, GameState};
 use crate::level_widget::LevelWidget;
 use crate::player::Player;
 use crate::position::HasPosition;

-mod game;
-mod player;
-mod level;
-mod position;
-mod level_widget;
-mod level_generator;
 mod artifacts;
+mod constants;
+mod game;
+mod level;
+mod level_generator;
+mod level_ladder;
+mod level_widget;
 mod monster;
-mod dungeon_slayer;
-
-/// length of a game frame in ms
-pub const FRAME_LENGTH: u64 = 100;
-
-#[derive(Parser)]
-#[command(author, version, about = "A small game in the tradition of rogue.", long_about = None)]
-struct CliOptions {
-    #[arg(short, long, action)]
-    manual: bool,
-}
+mod player;
+mod position;
+mod room;

 //
 fn main() -> Result<()> {
-    let cli_options = CliOptions::parse();
+    let mut game = Game::new(Player::new(realname().as_str(), 30));

    stdout().execute(EnterAlternateScreen)?;
    enable_raw_mode()?;
    let mut terminal = Terminal::new(CrosstermBackend::new(stdout()))?;
    terminal.clear()?;

-    if cli_options.manual {
-        show_manual(&mut terminal);
-    } else {
-        play_game(&mut terminal)?;
-    }
-
-    stdout().execute(LeaveAlternateScreen)?;
-    disable_raw_mode()?;
-    Ok(())
-}
-
-/// play the game ;)
-fn play_game(terminal: &mut Terminal<CrosstermBackend<Stdout>>) -> Result<()> {
-    let player_stats = PlayerStats::create_random();
-    let mut game = Game::new(Player::new(realname().as_str(), player_stats));
    let start_time = Instant::now();
    let mut ticks = 0;
    loop {
        terminal.draw(|frame| {
-            let mut area = frame.size();
-            frame.render_widget(Block::default().style(Style::default().bg(Color::Green)), area);
+            let mut area = frame.area();
+            frame.render_widget(
+                Block::default().style(Style::default().bg(Color::Green)),
+                area,
+            );

            // don't draw stuff except an info box if the terminal is too small (less than 80x25)
            // to prevent the read drawing code from crashing the game.
-            if area.width < 80 || area.height < 25 {
+            if area.width < MIN_WIDTH || area.height < MIN_HEIGHT {
                let block = Block::default()
                    .title("Info")
                    .borders(Borders::ALL)
                    .border_style(Style::default().fg(Color::White))
                    .border_type(BorderType::Rounded)
                    .style(Style::default().bg(Color::Black));
-                let paragraph = Paragraph::new("Terminal needs to be at leas 80x25!")
-                    .block(block)
-                    .wrap(Wrap { trim: true });
+                let paragraph = Paragraph::new(format!(
+                    "Terminal needs to be at leas {}x{}!",
+                    MIN_WIDTH, MIN_HEIGHT
+                ))
+                .block(block)
+                .wrap(Wrap { trim: true });
                frame.render_widget(paragraph, area);
                return;
            }

-            if area.width > 80 {
-                area.x = (area.width - 80) / 2;
-                area.width = 80;
+            if area.width > MIN_WIDTH {
+                area.x = (area.width - MIN_WIDTH) / 2;
+                area.width = MIN_WIDTH;
            }
-            if area.height > 25 {
-                area.y = (area.height - 25) / 2;
-                area.height = 25;
+            if area.height > MIN_HEIGHT {
+                area.y = (area.height - LEVEL_HEIGHT as u16) / 2;
+                area.height = LEVEL_HEIGHT as u16;
            }

            let map_area = Rect {
                x: area.x,
                y: area.y,
-                width: level::LEVEL_WIDTH as u16,
-                height: level::LEVEL_HEIGHT as u16,
+                width: LEVEL_WIDTH as u16,
+                height: LEVEL_HEIGHT as u16,
            };
-            frame.render_stateful_widget(LevelWidget::new(game.uses_fog_of_war()), map_area, &mut game);
+            frame.render_stateful_widget(LevelWidget {}, map_area, &mut game);

            let stats_area = Rect {
-                x: area.x + 50,
+                x: area.x + map_area.width,
                y: area.y,
-                width: 30,
-                height: 15,
+                width: MIN_WIDTH - map_area.width,
+                height: map_area.height / 2 + 1,
            };
            let block = Block::default()
-                .title(
-                    Title::from(
-                        format!(" {} ", game.get_player().get_name()))
-                        .alignment(Alignment::Center)
-                        .position(Position::Top)
+                .title_top(
+                    Line::from(format!(" {} ", game.get_player().get_name())).centered()
                )
                .borders(Borders::TOP)
                .border_style(Style::default().fg(Color::White))
                .border_type(BorderType::Rounded)
                .style(Style::default().bg(Color::Blue));
            frame.render_widget(
-                Paragraph::new(format!("Health: {}/{}\nExp: {}\nGold: {}\nLevel: {}",
-                                       game.get_player().get_life(),
-                                       game.get_player().get_max_life(),
-                                       game.get_player().get_experience(),
-                                       game.get_player().get_gold(),
-                                       game.get_player().get_immutable_position().get_level()))
-                    .block(block).wrap(Wrap { trim: true }),
+                Paragraph::new(format!(
+                    "Health: {} of {}\nExp: {}\nGold: {}\nLevel: {} of {}\nInventory used: {} of {}",
+                    game.get_player().get_life(),
+                    game.get_player().get_max_life(),
+                    game.get_player().get_experience(),
+                    game.get_player().get_gold(),
+                    game.get_player().get_immutable_position().get_level() + 1,
+                    LEVELS,
+                    game.get_player().inventory_size().0,
+                    game.get_player().inventory_size().1,
+                ))
+                .block(block)
+                .wrap(Wrap { trim: true }),
                stats_area,
            );
            let messages_area = Rect {
-                x: area.x + 50,
-                y: area.y + 15,
-                width: 30,
-                height: 10,
+                x: area.x + map_area.width,
+                y: area.y + map_area.height / 2 + 1,
+                width: MIN_WIDTH - map_area.width,
+                height: map_area.height / 2,
            };
            // Display the latest messages from the game to the user
            let block = Block::default()
-                .title(Title::from(" messages ").alignment(Alignment::Center).position(Position::Top))
+                .title_top(
+                    Line::from(" messages ").centered()
+                )
                .borders(Borders::TOP)
                .border_style(Style::default().fg(Color::White))
                .border_type(BorderType::Rounded)
                .style(Style::default().bg(Color::Blue));

-            let paragraph1 = if game.messages.is_empty() { "".to_string() } else { format!("> {}", game.messages.join("\n> ")) };
+            let paragraph1 = if game.messages.is_empty() {
+                "".to_string()
+            } else {
+                format!("> {}", game.messages.join("\n> "))
+            };
            frame.render_widget(
-                Paragraph::new(paragraph1).block(block).wrap(Wrap { trim: true }),
+                Paragraph::new(paragraph1)
+                    .block(block)
+                    .wrap(Wrap { trim: true }),
                messages_area,
            );
        })?;
-        let mut player_moved = false;
        if event::poll(std::time::Duration::from_millis(FRAME_LENGTH))? {
            if let event::Event::Key(key) = event::read()? {
-                if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('v') {
-                    game.messages.insert(0, format!("You are playing version '{}'.", env!("GIT_HASH")).to_string());
-                }
-                // disabling the d key (disable fog of war) in release builds!
-                #[cfg(debug_assertions)]
-                if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('d') {
-                    game.messages.insert(0, "toggle fog of war!".to_string());
-                    game.toggle_fog_of_war();
-                }
-
-                if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('q') {
-                    break;
-                }
                if key.kind == KeyEventKind::Press {
-                    let new_pos = match key.code {
-                        KeyCode::Left => {
-                            player_moved = true;
-                            game.move_player(-1, 0)
+                    match key.code {
+                        KeyCode::Char('v') => {
+                            game.messages.insert(
+                                0,
+                                format!("You are playing version '{}'.", env!("GIT_HASH"))
+                                    .to_string(),
+                            );
                        }
-                        KeyCode::Right => {
-                            player_moved = true;
-                            game.move_player(1, 0)
+                        KeyCode::Char('p') => {
+                            let gained_health = game.get_mutable_player().consume_inventory();
+                            if gained_health > 0 {
+                                game.messages.insert(
+                                    0,
+                                    format!(
+                                        "used a potion from inventory and gained {} health.",
+                                        gained_health
+                                    )
+                                    .to_string(),
+                                );
+                            }
                        }
-                        KeyCode::Up => {
-                            player_moved = true;
-                            game.move_player(0, -1)
+                        KeyCode::Char('q') => {
+                            break;
                        }
-                        KeyCode::Down => {
-                            player_moved = true;
-                            game.move_player(0, 1)
+                        KeyCode::Left | KeyCode::Down | KeyCode::Right | KeyCode::Up => {
+                            let new_pos = match key.code {
+                                KeyCode::Left => game.move_player(-1, 0),
+                                KeyCode::Right => game.move_player(1, 0),
+                                KeyCode::Up => game.move_player(0, -1),
+                                KeyCode::Down => game.move_player(0, 1),
+                                _ => (0, 0),
+                            };
+                            if !game.player_fights_monster() {
+                                // player attacked monster but did not kill it
+                                game.move_player(new_pos.0, new_pos.1);
+                            }
+                            game.player_collects_artifact();
                        }
-                        _ => { (0, 0) }
-                    };
-                    if !game.player_fights_monster() {
-                        // player attacked monster but did not kill it
-                        game.move_player(new_pos.0, new_pos.1);
+                        _ => {}
                    }
-                    game.player_collects_artifact();
                }
            }
        }
-        game.update_level(ticks, player_moved);
-        if game.get_game_state() != GameState::RUNNING {
+        game.update_level(ticks);
+        if game.get_game_state() != GameState::Running {
            break;
        }
        ticks += 1;
@ -209,7 +206,7 @@ fn play_game(terminal: &mut Terminal<CrosstermBackend<Stdout>>) -> Result<()> {
    let playtime = start_time.elapsed();
    loop {
        let _ = terminal.draw(|frame| {
-            let mut area = frame.size();
+            let mut area = frame.area();
            let w = area.width / 2;
            let h = area.height / 2;
            area.x += w - 20;
@ -217,24 +214,29 @@ fn play_game(terminal: &mut Terminal<CrosstermBackend<Stdout>>) -> Result<()> {
            area.width = 40;
            area.height = 20;
            let block = Block::default()
-                .title(Title::from(" Game ended ").alignment(Alignment::Center).position(Position::Top))
-                .title(Title::from("Press `q` to quit!").position(Position::Bottom))
+                .title_top(Line::from(" Game ended ").centered())
+                .title_bottom(Line::from("Press `q` to quit!"))
                .borders(Borders::ALL)
                .border_style(Style::default().fg(Color::White))
                .border_type(BorderType::Rounded)
                .style(Style::default().bg(Color::Black));
            let mut text = match game.get_game_state() {
-                GameState::RUNNING => {
+                GameState::Running => {
                    "Quitting is for cowards! You'll better try again!".to_string()
                }
-                GameState::LOST => {
-                    format!("Sorry, you died in the dungeon. Better luck next time!\nLast message:\n{}", game.messages[0]).to_string()
+                GameState::Lost => {
+                    "Sorry, you died in the dungeon. Better luck next time!".to_string()
                }
-                GameState::WON => {
-                    "Congratulation! You mastered your way through the dungeon and won the game.".to_string()
+                GameState::Won => {
+                    "Congratulation! You mastered your way through the dungeon and won the game."
+                        .to_string()
                }
            };
-            text += format!("\n\nYou gained {} experience.", game.get_player().get_experience()).as_str();
+            text += format!(
+                "\nYou gained {} experience.",
+                game.get_player().get_experience()
+            )
+            .as_str();
            text += format!("\nYou collected {} gold.", game.get_player().get_gold()).as_str();
            text += format!("\nYou played {} seconds.", playtime.as_secs()).as_str();
            let paragraph = Paragraph::new(text).block(block).wrap(Wrap { trim: true });
@ -248,51 +250,7 @@ fn play_game(terminal: &mut Terminal<CrosstermBackend<Stdout>>) -> Result<()> {
            }
        }
    }
+    stdout().execute(LeaveAlternateScreen)?;
+    disable_raw_mode()?;
    Ok(())
 }
-
-/// this function shows some manual text
-fn show_manual(terminal: &mut Terminal<CrosstermBackend<Stdout>>) {
-    let mut page = 0;
-    let pages = [
-        "Background story\n\n\
-        You are a traveller and on your journey....
-        ".to_string(),
-        "To control your character (depicted by the 8) you can use the cursor keys (←, ↑, →, ↓). \n\n\
-                To interact simply walk into the entity to interact with. Possible entities are creates \
-                (depicted by C), potions (depicted by P) or enemies.".to_string(),
-    ];
-    loop {
-        let _ = terminal.draw(|frame| {
-            let mut area = frame.size();
-            let w = area.width / 2;
-            let h = area.height / 2;
-            area.x += w - 20;
-            area.y += h - 10;
-            area.width = 40;
-            area.height = 20;
-            let block = Block::default()
-                .title(Title::from(format!(" Manual ({}/{})", page + 1, pages.len())).alignment(Alignment::Center).position(Position::Top))
-                .title(Title::from("`q` to quit, `↑` and `↓` to scroll.").position(Position::Bottom))
-                .borders(Borders::ALL)
-                .border_style(Style::default().fg(Color::White))
-                .border_type(BorderType::Rounded)
-                .style(Style::default().bg(Color::Black));
-            let paragraph = Paragraph::new(pages[page].as_str()).block(block).wrap(Wrap { trim: true });
-            frame.render_widget(paragraph, area);
-        });
-        if event::poll(std::time::Duration::from_millis(16)).unwrap_or(false) {
-            if let event::Event::Key(key) = event::read().unwrap() {
-                if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('q') {
-                    break;
-                }
-                if key.kind == KeyEventKind::Press && key.code == KeyCode::Up {
-                    page = page.saturating_sub(1);
-                }
-                if key.kind == KeyEventKind::Press && key.code == KeyCode::Down {
-                    page = min(pages.len() - 1, page + 1);
-                }
-            }
-        }
-    }
-}
--- a/src/monster.rs
+++ b/src/monster.rs
@ -1,10 +1,9 @@
-use ratatui::prelude::Color;
+use std::ops::RangeInclusive;

-use crate::dungeon_slayer::MonsterStats;
-use crate::level::Level;
 use crate::position::{HasPosition, Position};
+use macros::CreateMonsters;
 use rand::Rng;
-
+use ratatui::prelude::Color;

 pub trait Monster: HasPosition {
    fn get_name(&self) -> &str;
@ -14,223 +13,97 @@ pub trait Monster: HasPosition {
    // fn get_immutable_position(&self) -> &Position;
    fn get_experience_gain(&self) -> usize;
    fn get_ticks_between_steps(&self) -> u128;
-    fn get_defense(&self) -> u8;
-    fn get_hit(&self) -> u8;
-    fn get_next_move(&self, level: &Level, player_pos: &Position) -> (i16, i16);
    #[cfg(test)]
    fn get_life(&self) -> usize;
+    fn damage(&self) -> usize;
 }

-macro_rules! default_monster {
-    ($($t:ty),+ $(,)?) => ($(
-        impl Monster for $t {
-            fn get_name(&self) -> &str { &self.name }
-            fn is_dead(&self) -> bool { self.life <= 0 }
-            fn get_experience_gain(&self) -> usize { self.experience_gain }
-            fn get_representation(&self) -> (&str, Color) { (&self.symbol, self.color) }
-            fn decrease_life(&mut self, by: usize) {
-                self.life = self.life.saturating_sub(by);
-            }
-            fn get_ticks_between_steps(&self) -> u128 { self.ticks_between_steps }
-            fn get_defense(&self) -> u8 { self.monster_stats.defense }
-            fn get_hit(&self) -> u8 { self.monster_stats.hit }
-            fn get_next_move(&self, level: &Level, player_pos: &Position) -> (i16, i16) {
-                self.calc_move(level, player_pos)
-            }
-            #[cfg(test)]
-            fn get_life(&self) -> usize { self.life }
-        }
-        impl HasPosition for $t {
-            fn get_position(&mut self) -> &mut Position {
-                &mut self.position
-            }
-            fn get_immutable_position(&self) -> &Position {
-                &self.position
+#[derive(CreateMonsters, PartialEq, Eq, Hash, Clone, Copy)]
+pub enum MonsterTypes {
+    Rat,
+    Orc,
+    Snake,
+    Skeleton,
+    Spider,
+}
+
+macro_rules! create_monster {
+    ($t:ident $(, $k:ident : $v:expr)*$(,)?) => (
+        impl $t {
+            pub fn new_with_position(position: Position) -> Self {
+                Self {
+                    position,
+                    $($k: $v,)*
+                }
            }
        }
-    )+)
+    )
 }

-/// Lower Daemon
-///     Page: 107
-///     GH: 1
-pub struct LowerDaemon {
-    name: String,
-    life: usize,
-    position: Position,
-    symbol: String,
-    color: Color,
-    experience_gain: usize,
-    ticks_between_steps: u128,
-    monster_stats: MonsterStats,
-}
+create_monster!(
+    Rat,
+    name:"rat".to_string(),
+    life: 2,
+    symbol: String::from("r"),
+    color: Color::White,
+    experience_gain: 5,
+    ticks_between_steps: 5,
+    damage_range: 1..=2,
+);

-impl crate::monster::LowerDaemon {
-    pub fn new_with_position(position: Position) -> Self {
-        let monster_stats = MonsterStats {
-            body: 5,
-            agility: 5,
-            mind: 5,
-            strength: 2,
-            toughness: 2,
-            movement: 2,
-            dexterity: 2,
-            wisdom: 2,
-            aura: 2,
-            max_life: 9,
-            defense: 9,
-            initiative: 7,
-            walk: 3,
-            hit: 8,
-            shoot: 0,
-            cast: 0,
-            targeted_cast: 0,
-        };
-        Self {
-            name: "lower daemon".to_string(),
-            life: monster_stats.max_life as usize,
-            position,
-            symbol: String::from("d"),
-            color: Color::Black,
-            experience_gain: 104,
-            ticks_between_steps: 30,
-            monster_stats,
-        }
-    }
+create_monster!(
+    Spider,
+    name:"spider".to_string(),
+    life: 3,
+    symbol: String::from("s"),
+    color: Color::Yellow,
+    experience_gain: 7,
+    ticks_between_steps: 7,
+    damage_range: 2..=3,
+);

-    fn calc_move(&self, _level: &Level, player_pos: &Position) -> (i16, i16) {
-        let d = self.position.distance(player_pos);
-        if d == 1 {
-            return self.position.get_direction(player_pos);
-        }
-        match rand::thread_rng().gen_range(0..5) {
-            1 => { (1, 0) }
-            2 => { (-1, 0) }
-            3 => { (0, 1) }
-            4 => { (0, -1) }
-            _ => { (0, 0) }
-        }
+create_monster!(
+    Orc,
+    name: "orc".to_string(),
+    life: 4,
+    symbol: String::from("O"),
+    color: Color::Gray,
+    experience_gain: 10,
+    ticks_between_steps: 10,
+    damage_range: 2..=3,
+);
+
+create_monster!(
+    Snake,
+    name: "snake".to_string(),
+    life: 3,
+    symbol: String::from("s"),
+    color: Color::White,
+    experience_gain: 10,
+    ticks_between_steps: 20,
+    damage_range: 1..=4,
+);
+
+create_monster!(
+    Skeleton,
+    name: "skeleton".to_string(),
+    life: 3,
+    symbol: String::from("S"),
+    color: Color::Gray,
+    experience_gain: 20,
+    ticks_between_steps: 10,
+    damage_range: 1..=5,
+);
+
+pub fn create_monster_by_type(monster_type: &MonsterTypes, position: Position) -> Box<dyn Monster> {
+    match monster_type {
+        MonsterTypes::Rat => Box::new(Rat::new_with_position(position)),
+        MonsterTypes::Orc => Box::new(Orc::new_with_position(position)),
+        MonsterTypes::Snake => Box::new(Snake::new_with_position(position)),
+        MonsterTypes::Skeleton => Box::new(Skeleton::new_with_position(position)),
+        MonsterTypes::Spider => Box::new(Spider::new_with_position(position)),
    }
 }
-default_monster!(LowerDaemon);
-
-/// Rat
-///     Page: 119
-///     GH: 1
-pub struct Rat {
-    name: String,
-    life: usize,
-    position: Position,
-    symbol: String,
-    color: Color,
-    experience_gain: usize,
-    ticks_between_steps: u128,
-    monster_stats: MonsterStats,
-}
-
-impl Rat {
-    pub fn new_with_position(position: Position) -> Self {
-        let monster_stats = MonsterStats {
-            body: 2,
-            agility: 4,
-            mind: 1,
-            strength: 1,
-            toughness: 0,
-            movement: 2,
-            dexterity: 0,
-            wisdom: 0,
-            aura: 0,
-            max_life: 3,
-            defense: 2,
-            initiative: 6,
-            walk: 3,
-            hit: 4,
-            shoot: 0,
-            cast: 0,
-            targeted_cast: 0,
-        };
-        Self {
-            name: "rat".to_string(),
-            life: monster_stats.max_life as usize,
-            position,
-            symbol: String::from("R"),
-            color: Color::Black,
-            experience_gain: 26,
-            ticks_between_steps: 25,
-            monster_stats,
-        }
-    }
-    fn calc_move(&self, _level: &Level, _player_pos: &Position) -> (i16, i16) {
-        match rand::thread_rng().gen_range(0..5) {
-            1 => { (1, 0) }
-            2 => { (-1, 0) }
-            3 => { (0, 1) }
-            4 => { (0, -1) }
-            _ => { (0, 0) }
-        }
-    }
-}
-default_monster!(Rat);
-
-/// Orc
-///     Page: 118
-///     GH: 2
-pub struct Orc {
-    name: String,
-    life: usize,
-    position: Position,
-    symbol: String,
-    color: Color,
-    experience_gain: usize,
-    ticks_between_steps: u128,
-    monster_stats: MonsterStats,
-}
-
-impl Orc {
-    pub fn new_with_position(position: Position) -> Self {
-        let monster_stats = MonsterStats {
-            body: 10,
-            agility: 6,
-            mind: 2,
-            strength: 2,
-            toughness: 3,
-            movement: 0,
-            dexterity: 3,
-            wisdom: 1,
-            aura: 0,
-            max_life: 23,
-            defense: 14,
-            initiative: 1,
-            walk: 4,
-            hit: 13,
-            shoot: 10,
-            cast: 0,
-            targeted_cast: 0,
-        };
-        Self {
-            name: "orc".to_string(),
-            life: monster_stats.max_life as usize,
-            position,
-            symbol: String::from("O"),
-            color: Color::DarkGray,
-            experience_gain: 63,
-            ticks_between_steps: 50,
-            monster_stats,
-        }
-    }
-    fn calc_move(&self, _level: &Level, _player_pos: &Position) -> (i16, i16) {
-        match rand::thread_rng().gen_range(0..5) {
-            1 => { (1, 0) }
-            2 => { (-1, 0) }
-            3 => { (0, 1) }
-            4 => { (0, -1) }
-            _ => { (0, 0) }
-        }
-    }
-}
-
-default_monster!(Orc);
-

 #[test]
 fn monsters_can_move() {
@ -248,17 +121,11 @@ fn monsters_can_move() {
 #[test]
 fn monsters_can_die() {
    let mut m = Rat::new_with_position(Position::new(0, 0, 0));
-    assert_eq!(m.get_life(), 3);
+    assert_eq!(m.get_life(), 2);
    assert_eq!(m.is_dead(), false);
    m.decrease_life(1);
-    assert_eq!(m.get_life(), 2);
-    m.decrease_life(3);
+    assert_eq!(m.get_life(), 1);
+    m.decrease_life(2);
    assert_eq!(m.get_life(), 0);
    assert_eq!(m.is_dead(), true);
 }
-
-#[test]
-fn test_rat_values() {
-    let m = Rat::new_with_position(Position::new(0, 0, 0));
-    assert_eq!(m.monster_stats.max_life, 3);
-}
--- a/src/player.rs
+++ b/src/player.rs
@ -1,57 +1,120 @@
+use rand::Rng;
 use std::cmp::{max, min};

-use crate::dungeon_slayer::PlayerStats;
+use crate::artifacts::Potion;
+use crate::level_ladder::get_level_ladder;
 use crate::position::{HasPosition, Position};

 pub struct Player {
    name: String,
    position: Position,
    life: i16,
+    max_life: i16,
    gold: usize,
    experience: usize,
-    pub(crate) player_stats: PlayerStats,
+    inventory: Vec<Potion>,
+    inventory_slots: usize,
+    level: usize,
 }

 impl Player {
-    pub fn new(name: &str, player_stats: PlayerStats) -> Player {
+    pub fn new(name: &str, max_life: i16) -> Player {
        Player {
            name: name.to_string(),
            position: Position::new(0, 0, 0),
-            life: player_stats.get_max_life() as i16,
+            life: max_life,
+            max_life,
            gold: 0,
            experience: 0,
-            player_stats,
+            inventory: vec![],
+            inventory_slots: 2,
+            level: 1,
        }
    }
    pub fn get_name(&self) -> String {
-        return self.name.clone();
+        self.name.clone()
    }
-    pub fn decrease_life(&mut self, by: u8) {
-        self.life = max(0, self.life.saturating_sub(by as i16));
-    }
-    pub fn increase_life(&mut self, by: u8) {
-        self.life = min(self.life.saturating_add(by as i16), self.get_max_life());
+    pub fn change_life(&mut self, by: i16) {
+        self.life = max(0, min(self.max_life, self.life + by));
    }
    pub fn get_life(&self) -> i16 {
        self.life
    }
    /// returns true if the player is dead (life <= 0)
-    pub fn is_dead(&self) -> bool { self.life <= 0 }
+    pub fn is_dead(&self) -> bool {
+        self.life <= 0
+    }
    /// returns true if the player's life is at maximum
-    pub fn is_healthy(&self) -> bool { self.life == self.get_max_life() }
+    pub fn is_healthy(&self) -> bool {
+        self.life == self.max_life
+    }
    pub fn get_max_life(&self) -> i16 {
-        self.player_stats.get_max_life() as i16
+        self.max_life
    }

    /// add the given amount to the players gold stash
-    pub fn retrieve_gold(&mut self, amount: usize) { self.gold += amount }
+    pub fn retrieve_gold(&mut self, amount: usize) {
+        self.gold += amount
+    }

    /// return the size of the players gold stash
-    pub fn get_gold(&self) -> usize { self.gold }
+    pub fn get_gold(&self) -> usize {
+        self.gold
+    }

-    pub fn gain_experience(&mut self, amount: usize) { self.experience += amount }
+    pub fn gain_experience(&mut self, amount: usize) -> bool {
+        let mut result = false;
+        for (i, level_step) in get_level_ladder().enumerate() {
+            if self.experience <= level_step && self.experience + amount > level_step {
+                self.level += 1;
+                self.max_life += 5;
+                self.life = self.max_life;
+                result = true;
+                break;
+            }
+            if i > self.level {
+                break;
+            }
+        }
+        self.experience += amount;
+        result
+    }

-    pub fn get_experience(&self) -> usize { self.experience }
+    pub fn get_experience_level(&self) -> usize {
+        self.level
+    }
+
+    pub fn get_experience(&self) -> usize {
+        self.experience
+    }
+
+    pub fn damage(&self) -> usize {
+        rand::thread_rng().gen_range(1..4)
+    }
+
+    pub fn add_to_inventory(&mut self, potion: &Potion) -> bool {
+        if self.inventory.len() < self.inventory_slots {
+            self.inventory.push(*potion);
+            true
+        } else {
+            false
+        }
+    }
+
+    pub fn inventory_size(&self) -> (usize, usize) {
+        (self.inventory.len(), self.inventory_slots)
+    }
+
+    pub fn consume_inventory(&mut self) -> usize {
+        if self.is_healthy() {
+            return 0;
+        }
+        if let Some(potion) = self.inventory.pop() {
+            self.change_life(potion.get_health() as i16);
+            return potion.get_health();
+        }
+        0
+    }
 }

 impl HasPosition for Player {
@ -69,37 +132,19 @@ fn test_get_name() {
        name: "Teddy Tester".to_string(),
        position: Position::new(0, 1, 1),
        life: 5,
+        max_life: 10,
        gold: 0,
        experience: 0,
-        player_stats: PlayerStats {
-            body: 0,
-            agility: 0,
-            mind: 0,
-            strength: 0,
-            toughness: 0,
-            movement: 0,
-            dexterity: 0,
-            wisdom: 0,
-            aura: 0,
-        },
+        inventory: vec![],
+        inventory_slots: 1,
+        level: 0,
    };
    assert_eq!(p.get_name(), "Teddy Tester");
 }

 #[test]
 fn test_can_receive_gold() {
-    let player_stats = PlayerStats {
-        body: 8,
-        agility: 8,
-        mind: 4,
-        strength: 3,
-        toughness: 3,
-        movement: 1,
-        dexterity: 1,
-        wisdom: 0,
-        aura: 0,
-    };
-    let mut p = Player::new("Teddy Tester", player_stats);
+    let mut p = Player::new("Teddy Tester", 10);
    assert_eq!(p.get_gold(), 0);

    p.retrieve_gold(13);
@ -113,43 +158,25 @@ fn test_change_life() {
        name: "Teddy Tester".to_string(),
        position: Position::new(0, 1, 1),
        life: 5,
+        max_life: 10,
        gold: 0,
        experience: 0,
-        player_stats: PlayerStats {
-            body: 0,
-            agility: 0,
-            mind: 0,
-            strength: 0,
-            toughness: 0,
-            movement: 0,
-            dexterity: 0,
-            wisdom: 0,
-            aura: 0,
-        },
+        inventory: vec![],
+        inventory_slots: 1,
+        level: 0,
    };
    assert_eq!(p.get_life(), 5);
-    p.decrease_life(2);
+    p.change_life(-2);
    assert_eq!(p.get_life(), 3);
-    p.increase_life(10);
+    p.change_life(10);
    assert_eq!(p.get_life(), 10);
-    p.decrease_life(12);
+    p.change_life(-12);
    assert_eq!(p.get_life(), 0);
 }

 #[test]
 fn player_can_move() {
-    let player_stats = PlayerStats {
-        body: 8,
-        agility: 8,
-        mind: 4,
-        strength: 3,
-        toughness: 3,
-        movement: 1,
-        dexterity: 1,
-        wisdom: 0,
-        aura: 0,
-    };
-    let mut p = Player::new("Teddy Tester", player_stats);
+    let mut p = Player::new("Teddy Tester", 10);
    assert_eq!(p.get_position(), &Position::new(0, 0, 0));
    p.get_position().change(1, 2);
    assert_eq!(p.get_position(), &Position::new(0, 1, 2));
@ -167,19 +194,12 @@ fn test_max_life() {
        name: "Teddy Tester".to_string(),
        position: Position::new(0, 1, 1),
        life: 5,
+        max_life: 10,
        gold: 0,
        experience: 0,
-        player_stats: PlayerStats {
-            body: 0,
-            agility: 0,
-            mind: 0,
-            strength: 0,
-            toughness: 0,
-            movement: 0,
-            dexterity: 0,
-            wisdom: 0,
-            aura: 0,
-        },
+        inventory: vec![],
+        inventory_slots: 1,
+        level: 0,
    };
    assert_eq!(p.get_max_life(), 10);
 }
--- a/src/position.rs
+++ b/src/position.rs
@ -1,4 +1,4 @@
-use std::cmp::{max, min};
+use std::cmp::max;

 /// describes an character (PC or NPC) in the dungeon that has a position.
 pub trait HasPosition {
@ -8,7 +8,7 @@ pub trait HasPosition {
    fn get_immutable_position(&self) -> &Position;
 }

-#[derive(PartialEq, Debug)]
+#[derive(PartialEq, Debug, Clone, Copy)]
 pub struct Position {
    level: usize,
    x: usize,
@ -17,11 +17,7 @@ pub struct Position {

 impl Position {
    pub fn new(level: usize, x: usize, y: usize) -> Self {
-        Self {
-            level,
-            x,
-            y,
-        }
+        Self { level, x, y }
    }
    pub fn change(&mut self, dx: i16, dy: i16) -> (usize, usize) {
        self.x = max((self.x as i16) + dx, 0) as usize;
@ -42,29 +38,9 @@ impl Position {
        self.x
    }

-    pub fn get_y(&self) -> usize { self.y }
-
-    /// calculate the distance to the other position using the manhattan metric
-    pub fn distance(&self, other: &Self) -> usize {
-        self.x.abs_diff(other.x) + self.y.abs_diff(other.y)
+    pub fn get_y(&self) -> usize {
+        self.y
    }
-
-    /// get the direction (step size 1) towards the other position
-    pub fn get_direction(&self, other: &Self) -> (i16, i16) {
-        (
-            max(min(other.x as i16 - self.x as i16, 1), -1),
-            max(min(other.y as i16 - self.y as i16, 1), -1)
-        )
-    }
-}
-
-#[test]
-fn test_get_direction() {
-    let p1 = Position::new(0, 10, 10);
-    let p2 = Position::new(0, 8, 8);
-    assert_eq!(p1.get_direction(&p2), (-1, -1));
-    let p2 = Position::new(0, 11, 10);
-    assert_eq!(p1.get_direction(&p2), (1, 0));
 }

 #[test]
@ -95,4 +71,4 @@ fn test_position_set() {
    assert_eq!(p.get_level(), 1);
    assert_eq!(p.get_x(), 2);
    assert_eq!(p.get_y(), 3);
-}
+}
--- a/src/room.rs
+++ b/src/room.rs
@ -0,0 +1,280 @@
+use std::{
+    cmp::{max, min},
+    ops::RangeInclusive,
+};
+
+use crate::{
+    constants::{
+        LEVEL_HEIGHT, LEVEL_WIDTH, ROOM_HEIGHT, ROOM_MIN_HEIGHT, ROOM_MIN_WIDTH, ROOM_WIDTH,
+    },
+    level::StructureElement,
+};
+use rand::rngs::ThreadRng;
+use rand::Rng;
+
+#[derive(PartialEq, Copy, Clone, Eq, Hash, Debug)]
+pub enum RoomType {
+    Start,
+    End,
+    StairUp,
+    StairDown,
+    BasicRoom,
+    ArtifactRoom,
+    MonsterRoom,
+    EmptyRoom,
+}
+
+#[derive(Copy, Clone, Debug)]
+pub struct Connection {
+    pub start_pos: (usize, usize),
+    pub end_pos: (usize, usize),
+}
+
+impl Connection {
+    pub fn render(
+        &self,
+        rng: &mut ThreadRng,
+        tgt: &mut [[StructureElement; LEVEL_HEIGHT]; LEVEL_WIDTH],
+    ) {
+        fn calc_range(a: usize, b: usize) -> RangeInclusive<usize> {
+            if a > b {
+                b..=a
+            } else {
+                a..=b
+            }
+        }
+        // the tuples are (col, row)
+        let abs_d_col =
+            max(self.start_pos.0, self.end_pos.0) - min(self.start_pos.0, self.end_pos.0);
+
+        let abs_d_row =
+            max(self.start_pos.1, self.end_pos.1) - min(self.start_pos.1, self.end_pos.1);
+
+        if abs_d_col == 0 {
+            for row in calc_range(self.end_pos.1, self.start_pos.1) {
+                tgt[self.end_pos.0][row] = StructureElement::Floor;
+            }
+        } else if abs_d_row == 0 {
+            for col in calc_range(self.end_pos.0, self.start_pos.0) {
+                tgt[col][self.end_pos.1] = StructureElement::Floor;
+            }
+        } else {
+            let d_row = self.end_pos.1 as i32 - self.start_pos.1 as i32;
+            if d_row > 0 {
+                // more up/down
+                let d_row = self.end_pos.1 - self.start_pos.1;
+                let vert_offset = if d_row > 3 {
+                    rng.gen_range(1..=d_row - 1)
+                } else {
+                    d_row / 2
+                };
+                for r in self.start_pos.1..=(self.start_pos.1 + vert_offset) {
+                    tgt[self.start_pos.0][r] = StructureElement::Floor;
+                }
+                for c in calc_range(self.end_pos.0, self.start_pos.0) {
+                    tgt[c][self.start_pos.1 + vert_offset] = StructureElement::Floor;
+                }
+                for r in (self.start_pos.1 + vert_offset)..=self.end_pos.1 {
+                    tgt[self.end_pos.0][r] = StructureElement::Floor;
+                }
+            } else {
+                // more left/right
+                let d_col = self.end_pos.0 - self.start_pos.0;
+                let horizont_offset = if d_col > 3 {
+                    rng.gen_range(1..=d_col - 1)
+                } else {
+                    d_col / 2
+                };
+                for tgt_col in tgt
+                    .iter_mut()
+                    .skip(self.start_pos.0)
+                    .take(horizont_offset + 1)
+                {
+                    tgt_col[self.start_pos.1] = StructureElement::Floor;
+                }
+                for r in calc_range(self.end_pos.1, self.start_pos.1) {
+                    tgt[self.start_pos.0 + horizont_offset][r] = StructureElement::Floor;
+                }
+                for tgt_col in tgt
+                    .iter_mut()
+                    .take(self.end_pos.0 + 1)
+                    .skip(self.start_pos.0 + horizont_offset)
+                {
+                    tgt_col[self.end_pos.1] = StructureElement::Floor;
+                }
+            }
+        }
+    }
+}
+
+#[derive(Copy, Clone, Debug)]
+pub struct Room {
+    pub kind: RoomType,
+    pub offset_x: usize,
+    pub offset_y: usize,
+    pub width: usize,
+    pub height: usize,
+    pub special: (usize, usize),
+    pub connection_down: Option<Connection>,
+    pub connection_right: Option<Connection>,
+}
+
+impl Room {
+    pub fn new(rng: &mut ThreadRng) -> Self {
+        let width = rng.gen_range(ROOM_MIN_WIDTH..ROOM_WIDTH);
+        let height = rng.gen_range(ROOM_MIN_HEIGHT..ROOM_HEIGHT);
+        let offset_x = rng.gen_range(0..(ROOM_WIDTH - width));
+        let offset_y = rng.gen_range(0..(ROOM_HEIGHT - height));
+        let sx = offset_x + rng.gen_range(1..width - 1);
+        let sy = offset_y + rng.gen_range(1..height - 1);
+
+        Self {
+            kind: RoomType::EmptyRoom,
+            offset_x,
+            offset_y,
+            width,
+            height,
+            special: (sx, sy),
+            connection_down: None,
+            connection_right: None,
+        }
+    }
+
+    // pub fn get_x_range(&self) -> Range<usize> {
+    //     self.offset_x..self.offset_x + self.width
+    // }
+
+    // pub fn get_y_range(&self) -> Range<usize> {
+    //     self.offset_y..self.offset_y + self.height
+    // }
+
+    pub fn render(
+        &self,
+        tgt: &mut [[StructureElement; LEVEL_HEIGHT]; LEVEL_WIDTH],
+        col: usize,
+        row: usize,
+    ) -> (usize, usize) {
+        let top = 1 + row * ROOM_HEIGHT;
+        let left = 1 + col * ROOM_WIDTH;
+        for col in tgt.iter_mut().skip(left).take(ROOM_WIDTH) {
+            //left..left + ROOM_WIDTH {
+            for row_element in col.iter_mut().skip(top).take(ROOM_HEIGHT) {
+                // top..top + ROOM_HEIGHT {
+                *row_element = StructureElement::Wall;
+            }
+        }
+        if self.kind == RoomType::EmptyRoom {
+            return (0, 0);
+        }
+        // render floor elements
+        for x in 0..self.width {
+            for y in 0..self.height {
+                tgt[left + self.offset_x + x][top + self.offset_y + y] = StructureElement::Floor;
+            }
+        }
+
+        match self.kind {
+            RoomType::Start => {
+                tgt[left + self.special.0][top + self.special.1] = StructureElement::Start;
+            }
+            RoomType::End => {
+                tgt[left + self.special.0][top + self.special.1] = StructureElement::End;
+            }
+            RoomType::StairUp => {
+                tgt[left + self.special.0][top + self.special.1] = StructureElement::StairUp;
+            }
+            RoomType::StairDown => {
+                tgt[left + self.special.0][top + self.special.1] = StructureElement::StairDown;
+            }
+            _ => {}
+        };
+        (left + self.special.0, top + self.special.1)
+    }
+}
+
+#[test]
+fn test_room_creation() {
+    let mut rng = rand::thread_rng();
+    let room = Room::new(&mut rng);
+    assert_eq!(room.kind, RoomType::EmptyRoom);
+    for _ in 0..1000 {
+        let room = Room::new(&mut rng);
+        assert!((3..=ROOM_WIDTH).contains(&room.width));
+    }
+}
+
+#[cfg(test)]
+fn all_wall(
+    tgt: &mut [[StructureElement; LEVEL_HEIGHT]; LEVEL_WIDTH],
+    col: usize,
+    row: usize,
+) -> bool {
+    let top = 1 + row * ROOM_HEIGHT;
+    let left = 1 + col * ROOM_WIDTH;
+    for x in left..left + ROOM_WIDTH {
+        for y in top..top + ROOM_HEIGHT {
+            if tgt[x][y] != StructureElement::Wall {
+                return false;
+            }
+        }
+    }
+    true
+}
+
+#[cfg(test)]
+fn has_structure_element(
+    tgt: &mut [[StructureElement; LEVEL_HEIGHT]; LEVEL_WIDTH],
+    col: usize,
+    row: usize,
+    element: StructureElement,
+) -> bool {
+    let top = 1 + row * ROOM_HEIGHT;
+    let left = 1 + col * ROOM_WIDTH;
+    for x in left..left + ROOM_WIDTH {
+        for y in top..top + ROOM_HEIGHT {
+            if tgt[x][y] == element {
+                return true;
+            }
+        }
+    }
+    false
+}
+
+#[test]
+fn test_room_render_empty() {
+    let mut rng = rand::thread_rng();
+    let room = Room::new(&mut rng);
+    assert_eq!(room.kind, RoomType::EmptyRoom);
+    let mut structure = [[StructureElement::Floor; LEVEL_HEIGHT]; LEVEL_WIDTH];
+
+    room.render(&mut structure, 0, 0);
+    assert!(all_wall(&mut structure, 0, 0));
+}
+
+#[test]
+fn test_room_render_basic() {
+    let mut rng = rand::thread_rng();
+    let mut room = Room::new(&mut rng);
+    room.kind = RoomType::BasicRoom;
+    let mut structure = [[StructureElement::Floor; LEVEL_HEIGHT]; LEVEL_WIDTH];
+
+    room.render(&mut structure, 1, 3);
+    assert!(!all_wall(&mut structure, 1, 3));
+}
+
+#[test]
+fn test_room_render_start() {
+    let mut rng = rand::thread_rng();
+    let mut room = Room::new(&mut rng);
+    room.kind = RoomType::Start;
+    let mut structure = [[StructureElement::Floor; LEVEL_HEIGHT]; LEVEL_WIDTH];
+
+    room.render(&mut structure, 1, 3);
+    assert!(!all_wall(&mut structure, 1, 3));
+    assert!(has_structure_element(
+        &mut structure,
+        1,
+        3,
+        StructureElement::Start
+    ));
+}
Author	SHA1	Message	Date
Joachim Lusiardi	51123ecd8e	version bump and index generation	2024-11-07 09:57:32 +01:00
Joachim Lusiardi	4d77265b2f	remove debug output	2024-11-07 09:47:49 +01:00
Joachim Lusiardi	c91d57f049	next try	2024-11-07 09:46:15 +01:00
Joachim Lusiardi	8f151836bd	next try	2024-11-07 09:41:40 +01:00
Joachim Lusiardi	9d862011a7	testing	2024-11-07 09:37:22 +01:00
Joachim Lusiardi	d068620c3f	more tuning	2024-11-07 09:35:30 +01:00
Joachim Lusiardi	6660c11306	more debug	2024-11-07 09:29:24 +01:00
Joachim Lusiardi	1d8896d1ad	debugging	2024-11-07 09:27:31 +01:00
Joachim Lusiardi	252c1c244d	make key secure in container	2024-11-07 09:24:19 +01:00
Joachim Lusiardi	ef3a6026f5	minor fixes	2024-11-07 09:22:19 +01:00
Joachim Lusiardi	542616cb0b	version bump	2024-11-07 09:15:44 +01:00
Joachim Lusiardi	9a6c8f5116	try to auto publish to website	2024-11-07 09:15:24 +01:00
Joachim Lusiardi	d82e0d2d48	version updates	2024-11-06 14:33:11 +01:00
Joachim Lusiardi	a542e4b1c0	add mechanism for level gain	2024-11-06 14:29:30 +01:00
Joachim Lusiardi	3249529f94	cleanup	2024-11-06 09:22:22 +01:00
Joachim Lusiardi	72f7be2ed8	more work on level generators	2024-11-05 12:02:45 +01:00
Joachim Lusiardi	5311f56ca0	extract minimal room size as constant	2024-11-03 10:32:04 +01:00
Joachim Lusiardi	df80dfdd8a	introduce custom type for the graph	2024-11-01 13:08:02 +01:00
Joachim Lusiardi	8b23c565b8	make connections more variable	2024-11-01 12:06:50 +01:00
Joachim Lusiardi	789a41cb3f	make connections more variable	2024-11-01 12:02:11 +01:00
Joachim Lusiardi	d42d8a12b4	make spiders more visible	2024-11-01 08:49:12 +01:00
Joachim Lusiardi	8ee142586b	make monsters visible	2024-10-31 22:39:11 +01:00
Joachim Lusiardi	1878959e69	Clippy	2024-10-31 22:36:23 +01:00
Joachim Lusiardi	8bae1c7668	formatted	2024-10-31 22:34:35 +01:00
Joachim Lusiardi	3096386ad1	improve paths	2024-10-31 21:52:04 +01:00
Joachim Lusiardi	f5d257e826	more work on generator and tests	2024-10-31 15:20:39 +01:00
Joachim Lusiardi	a82a847ecd	more tests	2024-10-31 09:58:15 +01:00
Joachim Lusiardi	50d98bfb4d	work on level generation including tests	2024-10-31 07:48:22 +01:00
Joachim Lusiardi	c429784775	run tests on all branches	2024-10-30 13:06:26 +01:00
Joachim Lusiardi	e96660cea0	redo some colors	2024-10-30 13:01:28 +01:00
Joachim Lusiardi	c6492c28c2	work on level generator	2024-10-30 08:56:45 +01:00
Joachim Lusiardi	7f288dbcd1	first version of the level new generator monsters and artefact are missing roomsize is fixed	2024-10-29 06:48:45 +01:00
Joachim Lusiardi	74831857cf	fix monster percentage	2024-10-27 06:24:40 +01:00
Joachim Lusiardi	1ae7ff45ab	Rename treasure room	2024-10-27 06:24:14 +01:00
Joachim Lusiardi	b833b43c7c	Extract constants and make monsters variable per level	2024-10-26 17:00:51 +02:00
Joachim Lusiardi	e490011b4e	use macros to create monsters	2024-10-25 07:21:34 +02:00
Joachim Lusiardi	8267ad083f	fix player tests	2024-10-24 09:09:29 +02:00
Joachim Lusiardi	38dc7285c2	try to improve monster handling	2024-10-24 08:57:52 +02:00
Joachim Lusiardi	6f4c37728f	make size of levels variable	2024-10-23 15:54:33 +02:00
Joachim Lusiardi	5111fec1fa	fixed message while changing levels	2024-10-23 15:53:28 +02:00
Joachim Lusiardi	9fb3c83b67	more documentation	2024-10-23 15:53:04 +02:00
Joachim Lusiardi	9ae713b6c8	make variable inventory slots	2024-10-22 13:39:43 +02:00
Joachim Lusiardi	5949b2a2d6	limit inventory to 10 slots	2024-10-21 21:59:55 +02:00
Joachim Lusiardi	2b8f7eebba	unused potions now are collected in the inventory and can be consumed with the p key	2024-10-21 21:52:07 +02:00
Joachim Lusiardi	a0635de65a	reorder key handling	2024-10-21 20:37:52 +02:00
Joachim Lusiardi	d6f4fdaa5b	add CI/CD	2024-10-21 08:30:24 +02:00
Joachim Lusiardi	8dfe56a3c2	randomize content of chests and potions	2024-10-21 08:27:55 +02:00
Joachim Lusiardi	b3d85ac7b3	Improved fights between player and monster	2024-10-21 08:26:51 +02:00
Joachim Lusiardi	cefb0cc5f2	improve combat system	2024-10-20 22:12:28 +02:00
Joachim Lusiardi	efc4cdd363	updated deps fixed clippy remarks	2024-10-20 14:59:20 +02:00