Monster in Level

src/game.rs

@@ -11,8 +11,8 @@ pub struct Game<'game> {
 impl Game<'_> {
     pub fn new(p: &mut Player) -> Game {
         let mut v: Vec<Level> = Vec::with_capacity(LEVELS);
-        for _ in 0..LEVELS {
+        for d in 0..LEVELS {
-            let l = Level::new();
+            let l = Level::new(d);
             v.push(l);
         }
         Game {

src/level.rs

@@ -1,4 +1,5 @@
 use std::cmp::{max, min};
+use crate::monster::Monster;
 use crate::position::Position;
 
 pub const LEVEL_WIDTH: usize = 50;
@@ -13,14 +14,15 @@ pub enum StructureElement {
     Unknown,
 }
 
-#[derive(Debug, PartialEq)]
 pub struct Level {
+    level: usize,
     structure: [[StructureElement; LEVEL_HEIGHT]; LEVEL_WIDTH],
     discovered: [[bool; LEVEL_HEIGHT]; LEVEL_WIDTH],
+    monsters: Vec<Monster>,
 }
 
 impl Level {
-    pub fn new() -> Level {
+    pub fn new(level: usize) -> Level {
         let mut s = [[StructureElement::Wall; LEVEL_HEIGHT]; LEVEL_WIDTH];
         for x in 2..LEVEL_WIDTH - 2 {
             for y in 2..LEVEL_HEIGHT - 2 {
@@ -28,23 +30,44 @@ impl Level {
             }
         }
         Level {
+            level,
             structure: s,
             discovered: [[false; LEVEL_HEIGHT]; LEVEL_WIDTH],
+            monsters: Vec::with_capacity(10),
         }
     }
-    pub fn get_element(&self, x: i16, y: i16) -> Option<StructureElement> {
+    pub fn get_element(&mut self, x: i16, y: i16) -> (Option<StructureElement>, Option<&mut Monster>) {
         if x < 0 || y < 0 {
-            return None;
+            return (None, None);
         }
         let x = x as usize;
         let y = y as usize;
         if x >= LEVEL_WIDTH || y >= LEVEL_HEIGHT {
-            return None;
+            return (None, None);
         }
         if !self.discovered[x][y] {
-            return Some(StructureElement::Unknown);
+            return (Some(StructureElement::Unknown), None);
         }
-        Some(self.structure[x][y])
+        let mut res_m: Option<&mut Monster> = None;
+        for m in &mut self.monsters {
+            if m.get_position() == &mut Position::new(self.level, x, y) {
+                res_m = Some(m);
+            }
+        }
+
+        (Some(self.structure[x][y]), res_m)
+    }
+    pub fn add_monster(&mut self, mut monster: Monster) -> Result<(), String> {
+        if self.level != monster.get_position().get_level() {
+            return Err("Wrong Level".to_string());
+        }
+        for m in &mut self.monsters {
+            if m.get_position() == monster.get_position() {
+                return Err("Position already used".to_string());
+            }
+        }
+        self.monsters.push(monster);
+        Ok(())
     }
     /// discover the area with in the level around the given position
     pub fn discover(&mut self, pos: &Position) {
@@ -94,22 +117,64 @@ impl Level {
 
 #[test]
 fn test_get_element() {
-    let l = Level::new();
+    let mut l = Level::new(0);
-    assert_eq!(l.get_element(-1, -1), None);
+    assert_eq!(l.get_element(-1, -1).0, None);
-    assert_eq!(l.get_element(0, 0).unwrap(), StructureElement::Unknown);
+    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).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), None);
+    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();
+    let mut l = Level::new(0);
-    assert_eq!(l.get_element(10, 10).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).unwrap(), StructureElement::Floor);
+    assert_eq!(l.get_element(10, 10).0.unwrap(), StructureElement::Floor);
-    assert_eq!(l.get_element(9, 10).unwrap(), StructureElement::Floor);
+    assert_eq!(l.get_element(9, 10).0.unwrap(), StructureElement::Floor);
-    assert_eq!(l.get_element(10, 9).unwrap(), StructureElement::Floor);
+    assert_eq!(l.get_element(10, 9).0.unwrap(), StructureElement::Floor);
-    assert_eq!(l.get_element(11, 10).unwrap(), StructureElement::Floor);
+    assert_eq!(l.get_element(11, 10).0.unwrap(), StructureElement::Floor);
-    assert_eq!(l.get_element(10, 11).unwrap(), StructureElement::Floor);
+    assert_eq!(l.get_element(10, 11).0.unwrap(), StructureElement::Floor);
+}
+
+#[test]
+fn test_discover_can_add_monster() {
+    let mut l = Level::new(0);
+    let mut m = Monster::new(2);
+    m.get_position().set(1, 2, 3);
+    assert_eq!(l.add_monster(m), Err("Wrong Level".to_string()));
+
+    let mut m = Monster::new(2);
+    m.get_position().set(0, 2, 3);
+    assert_eq!(l.add_monster(m), Ok(()));
+
+    let mut m = Monster::new(2);
+    m.get_position().set(0, 2, 3);
+    assert_eq!(l.add_monster(m), Err("Position already used".to_string()));
+
+    let mut m = Monster::new(2);
+    m.get_position().set(0, 2, 4);
+    assert_eq!(l.add_monster(m), Ok(()));
+}
+
+#[test]
+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).0.unwrap(), StructureElement::Floor);
+    assert!(l.get_element(10, 10).1.is_none());
+
+    let mut m = Monster::new(23);
+    m.get_position().set(0, 10, 10);
+    assert_eq!(l.add_monster(m), Ok(()));
+
+    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(), 23);
+
+    m.decrease_life(2);
+    assert_eq!(l.get_element(10, 10).1.unwrap().get_life(), 21);
 }

src/position.rs

@@ -23,11 +23,13 @@ impl Position {
         self.y = y;
     }
 
+    pub fn get_level(&self) -> usize {
+        self.level
+    }
+
     pub fn get_x(&self) -> usize {
         self.x
     }
 
-    pub fn get_y(&self) -> usize {
+    pub fn get_y(&self) -> usize { self.y }
-        self.y
-    }
 }