fix formatting

monsters and artefact are missing
roomsize is fixed

.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

.gitea/workflows/publish.yaml

@@ -22,3 +22,7 @@ jobs:
           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

.gitignore

@@ -1 +1,2 @@
 /target
+*.profraw

Cargo.lock

@@ -147,7 +147,7 @@ checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
 
 [[package]]
 name = "el_diabolo"
-version = "0.1.0"
+version = "0.2.3"
 dependencies = [
  "crossterm",
  "macros",
@@ -234,6 +234,12 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "indoc"
+version = "2.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b248f5224d1d606005e02c97f5aa4e88eeb230488bcc03bc9ca4d7991399f2b5"
+
 [[package]]
 name = "instability"
 version = "0.3.2"
@@ -429,23 +435,23 @@ dependencies = [
 
 [[package]]
 name = "ratatui"
-version = "0.28.1"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fdef7f9be5c0122f890d58bdf4d964349ba6a6161f705907526d891efabba57d"
+checksum = "eabd94c2f37801c20583fc49dd5cd6b0ba68c716787c2dd6ed18571e1e63117b"
 dependencies = [
  "bitflags 2.4.1",
  "cassowary",
  "compact_str",
  "crossterm",
+ "indoc",
  "instability",
  "itertools",
  "lru",
  "paste",
  "strum",
- "strum_macros",
  "unicode-segmentation",
  "unicode-truncate",
- "unicode-width",
+ "unicode-width 0.2.0",
 ]
 
 [[package]]
@@ -598,7 +604,7 @@ checksum = "b3644627a5af5fa321c95b9b235a72fd24cd29c648c2c379431e6628655627bf"
 dependencies = [
  "itertools",
  "unicode-segmentation",
- "unicode-width",
+ "unicode-width 0.1.14",
 ]
 
 [[package]]
@@ -607,6 +613,12 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 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"
 version = "0.9.4"

Cargo.toml

@@ -3,13 +3,13 @@ members = ["macros"]
 
 [package]
 name = "el_diabolo"
-version = "0.1.0"
+version = "0.2.3"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-ratatui = "0.28.1"
+ratatui = "0.29.0"
 crossterm = "0.28.1"
 rand = "0.8.5"
 petgraph = "0.6.5"

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
+```

macros/src/lib.rs

@@ -3,7 +3,6 @@ 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);
@@ -25,6 +24,7 @@ pub fn create_monsters(input: TokenStream) -> TokenStream {
             experience_gain: usize,
             ticks_between_steps: u128,
             damage_range: RangeInclusive<usize>,
+            defense: usize,
         }
         impl Monster for #variant_name {
             fn get_name(&self) -> &str { &self.name }
@@ -36,7 +36,7 @@ pub fn create_monsters(input: TokenStream) -> TokenStream {
             }
             fn get_ticks_between_steps(&self) -> u128 { self.ticks_between_steps }
             fn damage(&self) -> usize { rand::thread_rng().gen_range(self.damage_range.clone()) }
-
+            fn defense(&self) -> usize { self.defense }
             #[cfg(test)]
             fn get_life(&self) -> usize { self.life }
         }

src/artifacts.rs

@@ -39,7 +39,7 @@ impl Chest {
 
 impl Artifact for Chest {
     fn get_representation(&self) -> (&str, Color) {
-        ("C", Color::Blue)
+        ("C", Color::Cyan)
     }
 
     fn get_immutable_position(&self) -> &Position {

src/constants.rs

@@ -1,19 +1,25 @@
 use std::{collections::HashMap, ops::RangeInclusive};
 
-use crate::monster::MonsterTypes;
+use crate::{monsters::MonsterTypes, room::RoomType};
 
 /// the number of rooms in vertical direction
-pub const ROOMS_VERTICAL: usize = 7;
+pub const ROOMS_HORIZONTAL: usize = 8;
 /// the number of rooms in horizontal direction
-pub const ROOMS_HORIZONTAL: usize = 7;
+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 = 3;
+pub const LEVELS: usize = 4;
 
 /// length of a game frame in ms
 pub const FRAME_LENGTH: u64 = 100;
@@ -24,9 +30,9 @@ pub const MIN_WIDTH: u16 = 120;
 pub const MIN_HEIGHT: u16 = LEVEL_HEIGHT as u16;
 
 /// the calculated width of a level
-pub const LEVEL_WIDTH: usize = 1 + ROOMS_VERTICAL * ROOM_WIDTH;
+pub const LEVEL_WIDTH: usize = 1 + ROOMS_HORIZONTAL * ROOM_WIDTH;
 /// the calculated height of a level
-pub const LEVEL_HEIGHT: usize = 1 + ROOMS_HORIZONTAL * ROOM_HEIGHT;
+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 = [
@@ -35,10 +41,24 @@ pub fn get_monsters_per_level() -> Vec<HashMap<MonsterTypes, std::ops::RangeIncl
         // level 2
         vec![(MonsterTypes::Rat, 50), (MonsterTypes::Snake, 50)],
         // level 3
-        vec![(MonsterTypes::Orc, 34), (MonsterTypes::Skeleton, 33), (MonsterTypes::Snake, 33)],
+        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 {
+    if tmp.len() < LEVELS {
-        panic!("Only {} monster sets defined for {} levels!", 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() {
@@ -47,10 +67,69 @@ pub fn get_monsters_per_level() -> Vec<HashMap<MonsterTypes, std::ops::RangeIncl
         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);
+            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);
     }

src/game.rs

@@ -164,10 +164,10 @@ impl Game {
         match m {
             None => {}
             Some(m) => {
-                let player_dmg = self.player.damage();
+                let player_dmg = self.player.damage().saturating_sub(m.defense());
                 m.decrease_life(player_dmg);
                 if m.is_dead() {
-                    self.player.gain_experience(m.get_experience_gain());
+                    let level_up: bool = self.player.gain_experience(m.get_experience_gain());
                     self.messages.insert(
                         0,
                         format!(
@@ -177,13 +177,23 @@ impl Game {
                         )
                         .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;
+                    let monster_dmg = m.damage().saturating_sub(self.player.defense());
-                    self.player.change_life(-monster_dmg);
+                    self.player.change_life(-(monster_dmg as i16));
 
                     self.messages.insert(
                         0,

src/level.rs

@@ -8,9 +8,9 @@ use crate::artifacts::Artifact;
 use crate::artifacts::{Chest, Potion};
 use crate::constants::LEVEL_HEIGHT;
 use crate::constants::LEVEL_WIDTH;
-use crate::monster::Monster;
+use crate::monsters::Monster;
 #[cfg(test)]
-use crate::monster::{Orc, Rat};
+use crate::monsters::{Orc, Rat};
 use crate::player::Player;
 use crate::position::HasPosition;
 use crate::position::Position;
@@ -57,6 +57,7 @@ impl Level {
             return (None, None, None);
         }
         if !self.discovered[x][y] {
+            // #[cfg(test)]
             return (Some(StructureElement::Unknown), None, None);
         }
         let search_pos = &Position::new(self.level, x, y);
@@ -146,8 +147,21 @@ impl Level {
                     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;
+                        let monster_dmg = self.monsters[index]
-                        player.change_life(-monster_dmg);
+                            .damage()
+                            .saturating_sub(player.defense());
+                        player.change_life(-(monster_dmg as i16));
+                        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!(
@@ -157,12 +171,16 @@ impl Level {
                                 )
                                 .to_string(),
                             );
-
+                            // player not dead => monster can occupy new position
-                        let player_dmg = player.damage();
+                            self.monsters[index].get_position().change(-dx, -dy);
+                            // player fights back
+                            let player_dmg = player
+                                .damage()
+                                .saturating_sub(self.monsters[index].defense());
                             self.monsters[index].decrease_life(player_dmg);
-
+                            if self.monsters[index].is_dead() {
-                        // if the attack did not kill the opponent, back down
+                                let level_up: bool = player
-                        if !player.is_dead() {
+                                    .gain_experience(self.monsters[index].get_experience_gain());
                                 messages.insert(
                                     0,
                                     format!(
@@ -172,7 +190,16 @@ impl Level {
                                     )
                                     .to_string(),
                                 );
-                            self.monsters[index].get_position().change(-dx, -dy);
+                                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,
@@ -185,6 +212,7 @@ impl Level {
                                 );
                             }
                         }
+                    }
                     break;
                 }
             }

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));
+}

src/level_widget.rs

@@ -1,13 +1,14 @@
 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 {}
 
@@ -15,6 +16,13 @@ impl LevelWidget {
     fn set_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);
     }
+    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));
+    }
 }
 
 impl StatefulWidget for LevelWidget {
@@ -39,36 +47,36 @@ impl StatefulWidget for LevelWidget {
                         (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 with https://en.wikipedia.org/wiki/Box-drawing_characters
-                                    self.set_cell(buf, x, y, "#", FG_BROWN, Color::Gray);
+                                    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) => {}
                     };
@@ -80,7 +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);
         }
     }
 }

src/main.rs

@@ -14,7 +14,6 @@ use crossterm::{
     ExecutableCommand,
 };
 use ratatui::prelude::*;
-use ratatui::widgets::block::{Position, Title};
 use ratatui::widgets::{Block, BorderType, Borders, Wrap};
 use ratatui::{
     prelude::{CrosstermBackend, Terminal},
@@ -32,10 +31,15 @@ mod constants;
 mod game;
 mod level;
 mod level_generator;
+mod level_ladder;
 mod level_widget;
-mod monster;
+mod monsters;
 mod player;
 mod position;
+mod room;
+
+const BACKGROUND_COLOR: Color = Color::DarkGray;
+const PANEL_BACKGROUND_COLOR: Color = Color::Black;
 
 //
 fn main() -> Result<()> {
@@ -52,7 +56,7 @@ fn main() -> Result<()> {
         terminal.draw(|frame| {
             let mut area = frame.area();
             frame.render_widget(
-                Block::default().style(Style::default().bg(Color::Green)),
+                Block::default().style(Style::default().bg(BACKGROUND_COLOR)),
                 area,
             );
 
@@ -99,20 +103,19 @@ fn main() -> Result<()> {
                 height: map_area.height / 2 + 1,
             };
             let block = Block::default()
-                .title(
+                .title_top(
-                    Title::from(format!(" {} ", game.get_player().get_name()))
+                    Line::from(format!(" {} ", game.get_player().get_name())).centered()
-                        .alignment(Alignment::Center)
-                        .position(Position::Top),
                 )
                 .borders(Borders::TOP)
                 .border_style(Style::default().fg(Color::White))
                 .border_type(BorderType::Rounded)
-                .style(Style::default().bg(Color::Blue));
+                .style(Style::default().bg(PANEL_BACKGROUND_COLOR));
             frame.render_widget(
                 Paragraph::new(format!(
-                    "Health: {} of {}\nExp: {}\nGold: {}\nLevel: {} of {}\nInventory used: {} of {}",
+                    "Health: {} of {}\nDefense: {}\nExp: {}\nGold: {}\nLevel: {} of {}\nInventory used: {} of {}",
                     game.get_player().get_life(),
                     game.get_player().get_max_life(),
+                    game.get_player().defense(),
                     game.get_player().get_experience(),
                     game.get_player().get_gold(),
                     game.get_player().get_immutable_position().get_level() + 1,
@@ -132,15 +135,13 @@ fn main() -> Result<()> {
             };
             // Display the latest messages from the game to the user
             let block = Block::default()
-                .title(
+                .title_top(
-                    Title::from(" messages ")
+                    Line::from(" messages ").centered()
-                        .alignment(Alignment::Center)
-                        .position(Position::Top),
                 )
                 .borders(Borders::TOP)
                 .border_style(Style::default().fg(Color::White))
                 .border_type(BorderType::Rounded)
-                .style(Style::default().bg(Color::Blue));
+                .style(Style::default().bg(PANEL_BACKGROUND_COLOR));
 
             let paragraph1 = if game.messages.is_empty() {
                 "".to_string()
@@ -217,12 +218,8 @@ fn main() -> Result<()> {
             area.width = 40;
             area.height = 20;
             let block = Block::default()
-                .title(
+                .title_top(Line::from(" Game ended ").centered())
-                    Title::from(" Game ended ")
+                .title_bottom(Line::from("Press `q` to quit!"))
-                        .alignment(Alignment::Center)
-                        .position(Position::Top),
-                )
-                .title(Title::from("Press `q` to quit!").position(Position::Bottom))
                 .borders(Borders::ALL)
                 .border_style(Style::default().fg(Color::White))
                 .border_type(BorderType::Rounded)

src/monsters.rs

@@ -16,6 +16,7 @@ pub trait Monster: HasPosition {
     #[cfg(test)]
     fn get_life(&self) -> usize;
     fn damage(&self) -> usize;
+    fn defense(&self) -> usize;
 }
 
 #[derive(CreateMonsters, PartialEq, Eq, Hash, Clone, Copy)]
@@ -45,10 +46,11 @@ create_monster!(
     name:"rat".to_string(),
     life: 2,
     symbol: String::from("r"),
-    color: Color::Black,
+    color: Color::White,
     experience_gain: 5,
     ticks_between_steps: 5,
     damage_range: 1..=2,
+    defense: 0,
 );
 
 create_monster!(
@@ -56,10 +58,11 @@ create_monster!(
     name:"spider".to_string(),
     life: 3,
     symbol: String::from("s"),
-    color: Color::Blue,
+    color: Color::Yellow,
     experience_gain: 7,
     ticks_between_steps: 7,
     damage_range: 2..=3,
+    defense: 0,
 );
 
 create_monster!(
@@ -67,10 +70,11 @@ create_monster!(
     name: "orc".to_string(),
     life: 4,
     symbol: String::from("O"),
-    color: Color::DarkGray,
+    color: Color::Gray,
     experience_gain: 10,
     ticks_between_steps: 10,
     damage_range: 2..=3,
+    defense: 0,
 );
 
 create_monster!(
@@ -78,10 +82,11 @@ create_monster!(
     name: "snake".to_string(),
     life: 3,
     symbol: String::from("s"),
-    color: Color::Black,
+    color: Color::White,
     experience_gain: 10,
     ticks_between_steps: 20,
     damage_range: 1..=4,
+    defense: 0,
 );
 
 create_monster!(
@@ -89,10 +94,11 @@ create_monster!(
     name: "skeleton".to_string(),
     life: 3,
     symbol: String::from("S"),
-    color: Color::DarkGray,
+    color: Color::Gray,
     experience_gain: 20,
     ticks_between_steps: 10,
     damage_range: 1..=5,
+    defense: 0,
 );
 
 pub fn create_monster_by_type(monster_type: &MonsterTypes, position: Position) -> Box<dyn Monster> {

src/player.rs

@@ -2,6 +2,7 @@ use rand::Rng;
 use std::cmp::{max, min};
 
 use crate::artifacts::Potion;
+use crate::level_ladder::get_level_ladder;
 use crate::position::{HasPosition, Position};
 
 pub struct Player {
@@ -13,6 +14,8 @@ pub struct Player {
     experience: usize,
     inventory: Vec<Potion>,
     inventory_slots: usize,
+    level: usize,
+    defense: usize,
 }
 
 impl Player {
@@ -26,6 +29,8 @@ impl Player {
             experience: 0,
             inventory: vec![],
             inventory_slots: 2,
+            level: 1,
+            defense: 0,
         }
     }
     pub fn get_name(&self) -> String {
@@ -59,8 +64,28 @@ impl Player {
         self.gold
     }
 
-    pub fn gain_experience(&mut self, amount: usize) {
+    pub fn gain_experience(&mut self, amount: usize) -> bool {
-        self.experience += amount
+        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;
+                // make life gain depend on level?
+                self.max_life += 5;
+                self.defense += 1;
+                self.life = self.max_life;
+                result = true;
+                break;
+            }
+            if i > self.level {
+                break;
+            }
+        }
+        self.experience += amount;
+        result
+    }
+
+    pub fn get_experience_level(&self) -> usize {
+        self.level
     }
 
     pub fn get_experience(&self) -> usize {
@@ -71,6 +96,10 @@ impl Player {
         rand::thread_rng().gen_range(1..4)
     }
 
+    pub fn defense(&self) -> usize {
+        self.defense
+    }
+    
     pub fn add_to_inventory(&mut self, potion: &Potion) -> bool {
         if self.inventory.len() < self.inventory_slots {
             self.inventory.push(*potion);
@@ -116,6 +145,8 @@ fn test_get_name() {
         experience: 0,
         inventory: vec![],
         inventory_slots: 1,
+        level: 0,
+        defense: 0,
     };
     assert_eq!(p.get_name(), "Teddy Tester");
 }
@@ -141,6 +172,8 @@ fn test_change_life() {
         experience: 0,
         inventory: vec![],
         inventory_slots: 1,
+        level: 0,
+        defense: 0,
     };
     assert_eq!(p.get_life(), 5);
     p.change_life(-2);
@@ -176,6 +209,8 @@ fn test_max_life() {
         experience: 0,
         inventory: vec![],
         inventory_slots: 1,
+        level: 0,
+        defense: 0,
     };
     assert_eq!(p.get_max_life(), 10);
 }

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
+    ));
+}