animations, introduction, no terminal

1 files changed, 71 insertions, 13 deletions

diff --git a/src/game.rs b/src/game.rs
index 80ee0c6..ca30207 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -608,6 +608,7 @@ impl Player {
 const MOVE_DURATION: f64 = 0.18; // seconds to walk one tile
 const TURN_DURATION: f64 = 0.12; // seconds for a 90° turn
 const ENEMY_ANIM_DURATION: f64 = 0.10; // seconds for enemy movement
+const ATTACK_DURATION: f64 = 0.12; // seconds for attack lunge
 
 pub const MAX_HP: u32 = 5;
 pub const MAX_SANITY: u32 = 100;
@@ -659,6 +660,19 @@ pub struct Game {
 
     // ---- animation: enemies ----
     enemy_anim_t: f64,
+
+    // ---- animation: attack ----
+    pub attacking: bool,
+    pub attack_t: f64,
+    attack_base_x: f64,
+    attack_base_y: f64,
+
+    // ---- screen flash ----
+    pub flash_color: u32,
+    pub flash_alpha: f64,
+
+    // ---- controls overlay ----
+    pub show_controls: bool,
 }
 
 fn smoothstep(t: f64) -> f64 {
@@ -703,6 +717,13 @@ impl Game {
             turn_delta: 0.0,
             turn_t: 0.0,
             enemy_anim_t: 0.0,
+            attacking: false,
+            attack_t: 0.0,
+            attack_base_x: 0.0,
+            attack_base_y: 0.0,
+            flash_color: 0,
+            flash_alpha: 0.0,
+            show_controls: true,
         }
     }
 
@@ -717,6 +738,11 @@ impl Game {
     /// Returns true when the current animation phase finishes and we should
     /// advance the state machine.
     pub fn update_animation(&mut self, dt: f64) -> bool {
+        // Flash always fades, regardless of state.
+        if self.flash_alpha > 0.0 {
+            self.flash_alpha = (self.flash_alpha - dt * 4.0).max(0.0);
+        }
+
         // Turn animation runs independently — turning never consumes a turn.
         if self.turning {
             self.turn_t += dt / TURN_DURATION;
@@ -751,6 +777,28 @@ impl Game {
                     }
                 }
 
+                // Animate attack lunge.
+                if self.attacking {
+                    self.attack_t += dt / ATTACK_DURATION;
+                    if self.attack_t >= 1.0 {
+                        self.player.x = self.attack_base_x;
+                        self.player.y = self.attack_base_y;
+                        self.attacking = false;
+                    } else {
+                        // Lunge forward then back.
+                        let lunge = if self.attack_t < 0.5 {
+                            smoothstep(self.attack_t * 2.0) * 0.25
+                        } else {
+                            (1.0 - smoothstep((self.attack_t - 0.5) * 2.0)) * 0.25
+                        };
+                        let fx = self.player.angle.cos();
+                        let fy = self.player.angle.sin();
+                        self.player.x = self.attack_base_x + fx * lunge;
+                        self.player.y = self.attack_base_y + fy * lunge;
+                        done = false;
+                    }
+                }
+
                 if done {
                     self.state = GameState::ResolvingTurn;
                     self.resolve_turn();
@@ -921,12 +969,10 @@ impl Game {
                 let new_hp = hp.saturating_sub(total_dmg);
 
                 if new_hp == 0 {
-                    // Enemy dies.
                     self.maze.take_entity(fx, fy);
                     self.kills += 1;
                     self.set_message(&format!("You slay the enemy! ({} dmg)", total_dmg));
                 } else {
-                    // Enemy survives and retaliates.
                     self.maze.entity_at_mut(fx, fy).map(|e| {
                         if let Entity::Enemy { hp: ref mut h, .. } = e {
                             *h = new_hp;
@@ -941,7 +987,9 @@ impl Game {
                         self.state = GameState::GameOver;
                     }
                 }
-                self.advance_turn();
+                self.flash_color = 0xFF_CC3333;
+                self.flash_alpha = 0.4;
+                self.begin_attack_animation();
                 true
             }
 
@@ -950,11 +998,9 @@ impl Game {
                 let new_hp = hp.saturating_sub(1);
 
                 if !persistent || new_hp == 0 {
-                    // Vanishes.
                     self.maze.take_entity(fx, fy);
                     self.set_message("The hallucination dissipates.");
                 } else {
-                    // Persistent — doesn't vanish yet.
                     self.maze.entity_at_mut(fx, fy).map(|e| {
                         if let Entity::Hallucination { hp: ref mut h, .. } = e {
                             *h = new_hp;
@@ -962,18 +1008,30 @@ impl Game {
                     });
                     self.set_message("You strike the apparition - it remains.");
                 }
-                self.advance_turn();
+                self.flash_color = 0xFF_8833CC;
+                self.flash_alpha = 0.35;
+                self.begin_attack_animation();
                 true
             }
 
             _ => {
                 self.set_message("You swing at the air.");
-                self.advance_turn();
+                self.flash_color = 0xFF_FFFFFF;
+                self.flash_alpha = 0.05;
+                self.begin_attack_animation();
                 true
             }
         }
     }
 
+    fn begin_attack_animation(&mut self) {
+        self.attack_base_x = self.player.x;
+        self.attack_base_y = self.player.y;
+        self.attacking = true;
+        self.attack_t = 0.0;
+        self.state = GameState::AnimatingPlayer;
+    }
+
     // ---- inventory --------------------------------------------------------
 
     /// Use the currently selected inventory item (Z key).
@@ -1107,7 +1165,10 @@ impl Game {
 
     /// Apply all per-turn effects (weakness, heartbeat, HP drain, message decay).
     fn resolve_turn(&mut self) {
-        self.weakness = (self.weakness + 1).min(MAX_WEAKNESS);
+        // Weakness grows every 3 turns, not every turn.
+        if self.heartbeat_count % 3 == 0 {
+            self.weakness = (self.weakness + 1).min(MAX_WEAKNESS);
+        }
         self.heartbeat_count += 1;
 
         // Message decay.
@@ -1118,14 +1179,11 @@ impl Game {
             }
         }
 
-        // HP drain at max weakness.
+        // HP drain at max weakness — stops at 1, never kills.
         if self.weakness >= MAX_WEAKNESS {
-            if self.hp > 0 {
+            if self.hp > 1 {
                 self.hp -= 1;
             }
-            if self.hp == 0 {
-                self.state = GameState::GameOver;
-            }
         }
     }