Fix infinite jumps

src/app.rs

@@ -83,8 +83,9 @@ impl App {
             if self.input.down(Key::D) {
                 self.game.player.hspeed = spd;
             }
-            if self.input.pressed(Key::W) {
+            if self.input.down(Key::W) && self.game.player.can_jump() {
                 self.game.player.vspeed = -10.0;
+                self.game.player.jumps_left = 0;
             }
             let terminal_velocity = 60.0;
             self.game.player.vspeed = self
@@ -108,6 +109,9 @@ impl App {
                         let en = s2dc::Entity::from_rect_corners(x, y, x + tsize, y + tsize);
                         if player_en.would_collide(&en, off) {
                             col = true;
+                            if self.game.player.vspeed > 0. {
+                                self.game.player.jumps_left = 1;
+                            }
                             self.game.player.vspeed = 0.;
                         }
                     });

src/game/player.rs

@@ -9,6 +9,7 @@ pub struct Player {
     pub col_en: MobileEntity,
     pub vspeed: f32,
     pub hspeed: f32,
+    pub jumps_left: u8,
 }
 
 impl Player {
@@ -17,6 +18,7 @@ impl Player {
             col_en: MobileEntity::from_pos_and_bb(vec2(pos.x as i32, pos.y as i32), vec2(15, 24)),
             vspeed: 0.0,
             hspeed: 0.0,
+            jumps_left: 0,
         }
     }
     pub fn center_tp(&self) -> TilePos {
@@ -25,4 +27,7 @@ impl Player {
             y: (self.col_en.en.pos.y / TILE_SIZE as i32) as TilePosScalar,
         }
     }
+    pub fn can_jump(&self) -> bool {
+        self.jumps_left > 0
+    }
 }