simple enemy

src/actors/enemies/enemy_soldier.ts

@@ -0,0 +1,44 @@
+import { Engine, Vector } from "excalibur";
+import BaseSoldier from "../soldier/base_soldier";
+import { SoldierResources } from "../soldier/resources";
+
+export interface EnemySoldierParams {
+  pos: Vector;
+}
+
+class EnemySoldier extends BaseSoldier {
+  constructor({ pos }: EnemySoldierParams) {
+    super({
+      pos,
+      spriteImageSource: SoldierResources.EnemySprites,
+    });
+  }
+
+  public soldierInput() {
+    /*
+    move right: this.direction = 1; this.isRunning = true;
+    move left: this.direction = -1; this.isRunning = true;
+    stop moving: this.isRunning = false;
+    shoot this.activeWeapon?.shoot();
+    */
+
+    // move for 200px to the right and then to the left
+    const baseX = 250;
+    this.isRunning = true;
+    if (this.direction === 1 && this.pos.x > baseX + 200) {
+      this.direction = -1;
+    } else if (this.direction === -1 && this.pos.x < baseX) {
+      this.direction = 1;
+    }
+  }
+
+  public onDie() {}
+
+  public onInitialize(engine: Engine) {
+    super.onInitialize(engine);
+    // TODO: remove this
+    (window as any).player = this;
+  }
+}
+
+export default EnemySoldier;

src/actors/player/player.ts

@@ -1,7 +1,7 @@
 import { Engine, Vector } from "excalibur";
 import { GAME_CONTROLS } from "../../helpers/consts";
-import BaseSoldier from "./base_soldier";
-import { PlayerResources } from "./resources";
+import BaseSoldier from "../soldier/base_soldier";
+import { SoldierResources } from "../soldier/resources";
 
 export interface PlayerParams {
   pos: Vector;
@@ -12,7 +12,7 @@ class Player extends BaseSoldier {
     super({
       pos,
       name: "player",
-      spriteImageSource: PlayerResources.PlayerSprites,
+      spriteImageSource: SoldierResources.PlayerSprites,
     });
   }
 

src/actors/player/base_soldier.ts → src/actors/soldier/base_soldier.ts

@@ -113,7 +113,7 @@ abstract class BaseSoldier extends Actor {
     );
   }
 
-  abstract soldierInput(engine: Engine): void;
+  abstract soldierInput(engine: Engine, delta: number): void;
 
   private updateGroundedState() {
     // All the game surfaces are flat, so we can just check if the soldier is moving vertically
@@ -126,8 +126,8 @@ abstract class BaseSoldier extends Actor {
     }
   }
 
-  private updateSoldierState(engine: Engine) {
-    this.soldierInput(engine);
+  private updateSoldierState(engine: Engine, delta: number) {
+    this.soldierInput(engine, delta);
     this.updateGroundedState();
   }
 
@@ -181,7 +181,7 @@ abstract class BaseSoldier extends Actor {
     }
 
     // Get the new state for the soldier
-    this.updateSoldierState(engine);
+    this.updateSoldierState(engine, delta);
 
     // Execute the soldier actions based on the state
     this.executeSoldierActions();

src/actors/player/resources.ts → src/actors/soldier/resources.ts

@@ -4,8 +4,7 @@ import { greenToRed } from "../../helpers/colors";
 
 const basePlayerSprite = new ImageSource(playerSprites);
 
-// Cargar la imagen original
-export const PlayerResources = {
+export const SoldierResources = {
   PlayerSprites: basePlayerSprite,
   EnemySprites: await greenToRed(playerSprites),
 } as const;

src/actors/weapons/wp_pistol.ts

@@ -3,7 +3,7 @@ import Player from "../player/player";
 import PBullet from "../projectile/p_bullet";
 import { Engine, SpriteSheet, vec } from "excalibur";
 import { SoundResources } from "../sounds/resources";
-import BaseSoldier from "../player/base_soldier";
+import BaseSoldier from "../soldier/base_soldier";
 
 class WpPistol extends Weapon {
   public readonly twoHanded = false;

src/actors/weapons/wp_shotgun.ts

@@ -3,7 +3,7 @@ import Player from "../player/player";
 import PBullet from "../projectile/p_bullet";
 import { Engine, SpriteSheet, vec } from "excalibur";
 import { SoundResources } from "../sounds/resources";
-import BaseSoldier from "../player/base_soldier";
+import BaseSoldier from "../soldier/base_soldier";
 
 class WpShotgun extends Weapon {
   public readonly twoHanded = true;

src/main.ts

@@ -6,9 +6,9 @@ import { createLoader } from "./helpers/resources";
 import { UiResources } from "./actors/ui/resources";
 import { SoundResources } from "./actors/sounds/resources";
 import { WorldResources } from "./actors/world/resources";
-import { PlayerResources } from "./actors/player/resources";
 import { TextResources } from "./actors/text/resources";
 import { ProjectileResources } from "./actors/projectile/resources";
+import { SoldierResources } from "./actors/soldier/resources";
 
 class Game extends Engine {
   constructor() {
@@ -31,7 +31,7 @@ class Game extends Engine {
         UiResources,
         SoundResources,
         WorldResources,
-        PlayerResources,
+        SoldierResources,
         TextResources,
         ProjectileResources,
       ),

src/scenes/debug_scene/debug_scene.ts

@@ -8,6 +8,7 @@ import StaticImage from "../../actors/ui/static_image";
 import { backgroundSpriteSheet } from "../../actors/world/resources";
 import WeaponsIndicator from "../../actors/ui/weapons_indicator";
 import DirtBlock from "../../actors/world/dirt_block";
+import EnemySoldier from "../../actors/enemies/enemy_soldier";
 class DebugScene extends Scene {
   private player: Player | null = null;
 
@@ -38,6 +39,13 @@ class DebugScene extends Scene {
     this.add(this.player);
   }
 
+  private initEnemies() {
+    const soldier = new EnemySoldier({
+      pos: vec(GAME_WIDTH / 2, GAME_HEIGHT / 2),
+    });
+    this.add(soldier);
+  }
+
   private initMap() {
     // add 2 rows of DirtBlock (64x64) at the bottom of the screen
     for (let i = 0; i < Math.ceil(GAME_WIDTH / 64); i++) {
@@ -86,6 +94,7 @@ class DebugScene extends Scene {
   public onInitialize() {
     this.initBackground();
     this.initMap();
+    this.initEnemies();
     this.initPlayer();
     this.initHUD();
   }