Implement chest experiment one

src/game.rs

@@ -24,22 +24,31 @@ impl Game {
             }
         };
         if can_go {
-            if level.get_element(new_x, new_y).unwrap() == LevelElement::StairDown {
+            match level.get_element(new_x, new_y).unwrap() {
+                LevelElement::StairDown => {
                     let next_level = player_pos.get_level() + 1;
                     let start_x: usize = self.levels[next_level].start_x;
                     let start_y: usize = self.levels[next_level].start_y;
                     self.player.set_position(next_level, start_x, start_y);
                     self.levels[next_level].discover(self.player.get_position());
-            } else if level.get_element(new_x, new_y).unwrap() == LevelElement::StairUp {
+                }
+                LevelElement::StairUp => {
                     self.player.set_position(
                         player_pos.get_level() - 1,
                         self.levels[player_pos.get_level() - 1].end_x,
                         self.levels[player_pos.get_level() - 1].end_y,
                     );
-            } else {
+                }
+                LevelElement::Chest {gold} => {
+                    self.player.add_gold(gold);
                     self.player.change_position(dx, dy);
                     self.levels[player_pos.get_level()].discover(self.player.get_position());
                 }
+                _ => {
+                    self.player.change_position(dx, dy);
+                    self.levels[player_pos.get_level()].discover(self.player.get_position());
+                }
+            };
         }
     }
 }

src/level.rs

@@ -10,6 +10,9 @@ pub enum LevelElement {
     Floor,
     StairDown,
     StairUp,
+    Start,
+    End,
+    Chest { gold: usize },
     Unknown,
 }
 
@@ -20,6 +23,7 @@ pub enum RoomType {
     StairUp,
     StairDown,
     BasicRoom,
+    TreasureRoom,
     EmptyRoom,
 }
 

src/level_generator.rs

@@ -91,6 +91,7 @@ impl LevelGenerator {
             } else {
                 room_types.push(RoomType::StairDown);
             }
+            room_types.push(RoomType::TreasureRoom);
             // generate a random set of rooms and shuffle them
             for _ in room_types.len()..ROOMS_HORIZONTAL * ROOMS_VERTICAL {
                 match rng.gen_range(1..=6) {
@@ -239,11 +240,21 @@ impl LevelGenerator {
                         s[left + room.offset_x + x][top + room.offset_y + y] = LevelElement::Floor;
                     }
                 }
+                if room.kind == RoomType::TreasureRoom {
+                    let t_x = left + room.offset_x + rng.gen_range(0..room.width);
+                    let t_y = top + room.offset_y + rng.gen_range(0..room.height);
+                    s[t_x][t_y] = LevelElement::Chest{gold: rng.gen_range(2..100)};
+                }
                 if room.kind == RoomType::StairDown {
                     end_x = left + room.offset_x + rng.gen_range(0..room.width);
                     end_y = top + room.offset_y + rng.gen_range(0..room.height);
+                }
+                if room.kind == RoomType::StairDown {
                     s[end_x][end_y] = LevelElement::StairDown;
                 }
+                if room.kind == RoomType::End {
+                    s[end_x][end_y] = LevelElement::End;
+                }
                 if room.kind == RoomType::Start || room.kind == RoomType::StairUp {
                     start_x = left + room.offset_x + rng.gen_range(0..room.width);
                     start_y = top + room.offset_y + rng.gen_range(0..room.height);
@@ -251,6 +262,9 @@ impl LevelGenerator {
                 if room.kind == RoomType::StairUp {
                     s[start_x][start_y] = LevelElement::StairUp;
                 }
+                if room.kind == RoomType::Start {
+                    s[start_x][start_y] = LevelElement::Start;
+                }
             }
         }
         //

src/level_widget.rs

@@ -104,6 +104,15 @@ impl<'a> Widget for LevelWidget<'a> {
                             LevelElement::Unknown => {
                                 self.set_cell(buf, x, y, "▒", Color::DarkGray, Color::Gray);
                             }
+                            LevelElement::Chest{gold} => {
+                                self.set_cell(buf, x, y, "⌂", Color::Black, Color::Gray);
+                            }
+                            LevelElement::Start => {
+                                self.set_cell(buf, x, y, "α", Color::Black, Color::Gray);
+                            }
+                            LevelElement::End => {
+                                self.set_cell(buf, x, y, "Ω", Color::Black, Color::Gray);
+                            }
                         }
                     }
                 }

src/main.rs

@@ -72,10 +72,11 @@ fn main() -> Result<()> {
                 height: 25,
             };
             frame.render_widget(
-                Paragraph::new(format!("{}\nHealth: {}/{}\n{}/{}/{}",
+                Paragraph::new(format!("{}\nHealth: {}/{}\nGold: {}\n{}/{}/{}",
                                        g.player.get_name(),
                                        g.player.get_life(),
                                        g.player.get_max_life(),
+                                       g.player.get_gold(),
                                        g.player.get_position().get_level(),
                                        g.player.get_position().get_x(),
                                        g.player.get_position().get_y()))

src/player.rs

@@ -5,6 +5,7 @@ use crate::position::Position;
 pub struct Player {
     name: String,
     position: Position,
+    gold: usize,
     life: usize,
     max_life: usize,
 }
@@ -14,6 +15,7 @@ impl Player {
         Player {
             name: name.to_string(),
             position: Position::new(0, 0, 0),
+            gold: 0,
             life: max_life,
             max_life,
         }
@@ -23,6 +25,8 @@ impl Player {
     }
     pub fn get_life(&self) -> usize { self.life }
     pub fn get_max_life(&self) -> usize { self.max_life }
+    pub fn get_gold(&self) -> usize { self.gold }
+    pub fn add_gold(&mut self, amount: usize) { self.gold += amount; }
     pub fn change_life(&mut self, by: i16) {
         self.life = max(0,
                         min(self.max_life,