Hide sprites of corpses when in fog of war

src/rendering/FxRenderer.ts

@@ -5,7 +5,7 @@ import { GAME_CONFIG } from "../core/config/GameConfig";
 
 export class FxRenderer {
   private scene: Phaser.Scene;
-  private corpseSprites: Phaser.GameObjects.Sprite[] = [];
+  private corpseSprites: { sprite: Phaser.GameObjects.Sprite; x: number; y: number }[] = [];
 
   constructor(scene: Phaser.Scene) {
     this.scene = scene;
@@ -34,8 +34,8 @@ export class FxRenderer {
   }
 
   clearCorpses() {
-    for (const sprite of this.corpseSprites) {
-      sprite.destroy();
+    for (const entry of this.corpseSprites) {
+      entry.sprite.destroy();
     }
     this.corpseSprites = [];
   }
@@ -142,7 +142,26 @@ export class FxRenderer {
     );
     corpse.setDepth(50);
     corpse.play(`${textureKey}-die`);
-    this.corpseSprites.push(corpse);
+    this.corpseSprites.push({ sprite: corpse, x, y });
+  }
+
+  updateVisibility(seen: Uint8Array, visible: Uint8Array, worldWidth: number) {
+    for (const entry of this.corpseSprites) {
+      const idx = entry.y * worldWidth + entry.x;
+      const isSeen = seen[idx] === 1;
+      const isVisible = visible[idx] === 1;
+
+      entry.sprite.setVisible(isSeen);
+      if (isSeen) {
+        if (isVisible) {
+          entry.sprite.setAlpha(1);
+          entry.sprite.clearTint();
+        } else {
+          entry.sprite.setAlpha(0.4);
+          entry.sprite.setTint(0x888888);
+        }
+      }
+    }
   }
 
   showWait(x: number, y: number) {