Can now open secret walls and pick up machine gun

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

lib/features/weapon/weapon.dart

@@ -14,10 +14,12 @@ abstract class Weapon {
   final List<int> fireFrames;
   final int damage;
   final int msPerFrame;
+  final bool isAutomatic;
 
   WeaponState state = WeaponState.idle;
   int frameIndex = 0;
   int lastFrameTime = 0;
+  bool _triggerReleased = true;
 
   Weapon({
     required this.type,
@@ -25,16 +27,24 @@ abstract class Weapon {
     required this.fireFrames,
     required this.damage,
     this.msPerFrame = 100,
+    this.isAutomatic = true,
   });
 
   int get currentSprite =>
       state == WeaponState.idle ? idleSprite : fireFrames[frameIndex];
 
+  void releaseTrigger() {
+    _triggerReleased = true;
+  }
+
   bool fire(int currentTime, {required int currentAmmo}) {
     if (state == WeaponState.idle && currentAmmo > 0) {
+      if (!isAutomatic && !_triggerReleased) return false;
+
       state = WeaponState.firing;
       frameIndex = 0;
       lastFrameTime = currentTime;
+      _triggerReleased = false;
       return true;
     }
     return false;
@@ -61,7 +71,7 @@ abstract class Weapon {
     required List<Entity> entities,
     required bool Function(int x, int y) isWalkable,
     required int currentTime,
-    required void Function(int scoreToAdd) onEnemyKilled,
+    required void Function(Enemy killedEnemy) onEnemyKilled,
   }) {
     Enemy? closestEnemy;
     double minDistance = 15.0;
@@ -85,7 +95,6 @@ abstract class Weapon {
         if (angleDiff.abs() < threshold) {
           Coordinate2D source = Coordinate2D(playerX, playerY);
 
-          // Delegate to the enemy to check if it's visible
           if (entity.hasLineOfSightFrom(
             source,
             playerAngle,
@@ -103,8 +112,10 @@ abstract class Weapon {
 
     if (closestEnemy != null) {
       closestEnemy.takeDamage(damage, currentTime);
+      // If the shot was fatal, pass the enemy back so the Player class
+      // can calculate the correct score based on enemy type!
       if (closestEnemy.state == EntityState.dead) {
-        onEnemyKilled(100);
+        onEnemyKilled(closestEnemy);
       }
     }
   }

lib/features/weapon/weapons/knife.dart

@@ -8,6 +8,7 @@ class Knife extends Weapon {
         fireFrames: [417, 418, 419, 420],
         damage: 15,
         msPerFrame: 120,
+        isAutomatic: false,
       );
 
   @override

lib/features/weapon/weapons/pistol.dart

@@ -7,5 +7,6 @@ class Pistol extends Weapon {
         idleSprite: 421,
         fireFrames: [422, 423, 424, 425],
         damage: 20,
+        isAutomatic: false,
       );
 }