Add breakable walls and monster collision with them

src/components/player.rs

@@ -6,9 +6,4 @@ use specs_derive::Component;
 #[derive(Component, Debug)]
 pub struct Player {
     pub last_moved: Instant,
-    pub score: u32,
-    pub gems: u32,
-    pub whips: u32,
-    pub teleports: u32,
-    pub keys: u32,
 }

src/components/position.rs

@@ -1,3 +1,4 @@
+use bracket_lib::prelude::*;
 use specs::prelude::*;
 use specs_derive::Component;
 
@@ -6,3 +7,9 @@ pub struct Position {
     pub x: i32,
     pub y: i32,
 }
+
+impl PartialEq<Point> for Position {
+    fn eq(&self, other: &Point) -> bool {
+        return self.x == other.x && self.y == other.y;
+    }
+}

src/main.rs

@@ -17,7 +17,7 @@ use components::{
 };
 use constants::*;
 use map::{Map, TileType};
-use resources::{Clock, LevelNumber, ShowDebugInfo};
+use resources::{Clock, LevelNumber, ShowDebugInfo, Stats};
 use sound::SoundSystem;
 use sound_effects::SoundEffects;
 use specs::prelude::*;
@@ -178,6 +178,13 @@ fn main() -> BError {
         ticks: 0,
     });
     gs.ecs.insert(sound_effects);
+    gs.ecs.insert(Stats {
+        score: 1290,
+        gems: 14,
+        whips: 7,
+        teleports: 0,
+        keys: 0,
+    });
 
     gs.ecs.register::<Position>();
     gs.ecs.register::<Renderable>();
@@ -225,11 +232,6 @@ fn main() -> BError {
         })
         .with(Player {
             last_moved: Instant::now(),
-            score: 1290,
-            gems: 14,
-            whips: 7,
-            teleports: 0,
-            keys: 0,
         })
         .build();
 

src/map.rs

@@ -7,6 +7,7 @@ use bracket_lib::{prelude::*, random::RandomNumberGenerator};
 #[derive(PartialEq, Copy, Clone)]
 pub enum TileType {
     Wall,
+    BreakableWall,
     Floor,
 }
 
@@ -35,8 +36,10 @@ impl Map {
         let mut tiles = vec![TileType::Floor; MAP_SIZE];
         let mut rng = RandomNumberGenerator::new();
         for tile in &mut tiles {
-            if rng.roll_dice(1, 4) < 2 {
+            if rng.roll_dice(1, 16) < 2 {
                 *tile = TileType::Wall;
+            } else if rng.roll_dice(1, 16) < 2 {
+                *tile = TileType::BreakableWall;
             }
         }
         Self {
@@ -78,7 +81,7 @@ impl Map {
                         to_cp437(' '),
                     );
                 }
-                TileType::Wall => {
+                TileType::BreakableWall => {
                     ctx.set(
                         x + MAP_X,
                         y + MAP_Y,
@@ -87,15 +90,33 @@ impl Map {
                         to_cp437('▓'),
                     );
                 }
+                TileType::Wall => {
+                    ctx.set(
+                        x + MAP_X,
+                        y + MAP_Y,
+                        RGB::named(vga::YELLOW),
+                        RGB::named(vga::BLACK),
+                        to_cp437('█'),
+                    );
+                }
             }
         }
     }
 
-    pub fn tile_at(&self, point: Point) -> TileType {
+    pub fn get_tile_at(&self, point: Point) -> TileType {
         self.tiles[self.point2d_to_index(point)]
     }
 
+    pub fn set_tile_at(&mut self, point: Point, tile: TileType) {
+        let index = self.point2d_to_index(point);
+        self.tiles[index] = tile;
+    }
+
     pub fn is_solid(&self, point: Point) -> bool {
-        self.tile_at(point) == TileType::Wall
+        match self.get_tile_at(point) {
+            TileType::Wall => true,
+            TileType::BreakableWall => true,
+            _ => false,
+        }
     }
 }

src/resources/mod.rs

@@ -32,3 +32,11 @@ impl Clock {
         self.ticks += 1;
     }
 }
+
+pub struct Stats {
+    pub score: u32,
+    pub gems: u32,
+    pub whips: u32,
+    pub teleports: u32,
+    pub keys: u32,
+}

src/sidebar.rs

@@ -1,7 +1,6 @@
 use crate::constants::{SIDEBAR_POS_X, SIDEBAR_POS_Y};
-use crate::resources::{Clock, ShowDebugInfo};
+use crate::resources::{Clock, LevelNumber, ShowDebugInfo, Stats};
 use crate::vga_color as vga;
-use crate::{LevelNumber, Player};
 use bracket_lib::prelude::*;
 use specs::prelude::*;
 
@@ -47,14 +46,12 @@ pub fn draw(ecs: &World, ctx: &mut BTerm) {
     ctx.print(SIDEBAR_POS_X + 2, SIDEBAR_POS_Y + 12, "Teleports");
     ctx.print(SIDEBAR_POS_X + 4, SIDEBAR_POS_Y + 15, "Keys");
 
-    let players = ecs.read_storage::<Player>();
-    for player in players.join() {
-        ctx.print_centered_at(SIDEBAR_POS_X + 6, SIDEBAR_POS_Y + 1, player.score);
-        ctx.print_centered_at(SIDEBAR_POS_X + 6, SIDEBAR_POS_Y + 7, player.gems);
-        ctx.print_centered_at(SIDEBAR_POS_X + 6, SIDEBAR_POS_Y + 10, player.whips);
-        ctx.print_centered_at(SIDEBAR_POS_X + 6, SIDEBAR_POS_Y + 13, player.teleports);
-        ctx.print_centered_at(SIDEBAR_POS_X + 6, SIDEBAR_POS_Y + 16, player.keys);
-    }
+    let stats = ecs.read_resource::<Stats>();
+    ctx.print_centered_at(SIDEBAR_POS_X + 6, SIDEBAR_POS_Y + 1, stats.score);
+    ctx.print_centered_at(SIDEBAR_POS_X + 6, SIDEBAR_POS_Y + 7, stats.gems);
+    ctx.print_centered_at(SIDEBAR_POS_X + 6, SIDEBAR_POS_Y + 10, stats.whips);
+    ctx.print_centered_at(SIDEBAR_POS_X + 6, SIDEBAR_POS_Y + 13, stats.teleports);
+    ctx.print_centered_at(SIDEBAR_POS_X + 6, SIDEBAR_POS_Y + 16, stats.keys);
 
     // Hotkey list
     ctx.print_color(

src/systems/monster_motion.rs

@@ -3,8 +3,8 @@ use crate::{
         monster::{self, ticks_for_kind},
         Monster, Position, Renderable,
     },
-    map::Map,
-    resources::Clock,
+    map::{Map, TileType},
+    resources::{Clock, Stats},
 };
 use bracket_lib::{prelude::*, random::RandomNumberGenerator};
 use specs::prelude::*;
@@ -14,9 +14,11 @@ pub struct MonsterMotion {}
 #[allow(clippy::type_complexity)]
 impl<'a> System<'a> for MonsterMotion {
     type SystemData = (
+        Entities<'a>,
         ReadExpect<'a, Clock>,
         ReadExpect<'a, Point>,
-        ReadExpect<'a, Map>,
+        WriteExpect<'a, Map>,
+        WriteExpect<'a, Stats>,
         WriteStorage<'a, Monster>,
         WriteStorage<'a, Position>,
         WriteStorage<'a, Renderable>,
@@ -24,9 +26,19 @@ impl<'a> System<'a> for MonsterMotion {
 
     fn run(
         &mut self,
-        (clock, player_pos, map, mut monster, mut position, mut renderable): Self::SystemData,
+        (
+            entities,
+            clock,
+            player_pos,
+            mut map,
+            mut stats,
+            mut monster,
+            mut position,
+            mut renderable,
+        ): Self::SystemData,
     ) {
-        for (monster, position, renderable) in (&mut monster, &mut position, &mut renderable).join()
+        for (entity, monster, position, renderable) in
+            (&entities, &mut monster, &mut position, &mut renderable).join()
         {
             if clock.has_ticked {
                 monster.ticks_until_move -= 1;
@@ -57,10 +69,26 @@ impl<'a> System<'a> for MonsterMotion {
                         x: position.x + delta_x,
                         y: position.y + delta_y,
                     };
-                    if !map.is_solid(destination) {
+
+                    if destination == *player_pos {
+                        // TODO: Sound
+                        stats.gems -= 1;
+                        let _ = entities.delete(entity);
+                    }
+
+                    match map.get_tile_at(destination) {
+                        TileType::Wall => {}
+                        TileType::BreakableWall => {
+                            // TODO: Sound
+                            map.set_tile_at(destination, TileType::Floor);
+                            let _ = entities.delete(entity);
+                        }
+                        TileType::Floor => {
                             position.x = destination.x;
                             position.y = destination.y;
                         }
+                    }
+
                     monster.ticks_until_move = ticks_for_kind(monster.kind);
                 }
             }