fix: enemy play walk animation

dist/shattered_sword_assets/spritesheets/Snake.json

@@ -54,7 +54,7 @@
          ]
       },
       {
-         "name": "walk",
+         "name": "WALK",
          "repeat": true,
          "frames": [
             {

src/shattered_sword/AI/EnemyAI.ts

@@ -4,12 +4,11 @@ import Vec2 from "../../Wolfie2D/DataTypes/Vec2";
 import GameNode from "../../Wolfie2D/Nodes/GameNode";
 import AnimatedSprite from "../../Wolfie2D/Nodes/Sprites/AnimatedSprite";
 import OrthogonalTilemap from "../../Wolfie2D/Nodes/Tilemaps/OrthogonalTilemap";
-import NavigationPath from "../../Wolfie2D/Pathfinding/NavigationPath";
-import Weapon from "../GameSystems/items/Weapon";
 import BattlerAI from "./BattlerAI";
 
 import Patrol from "./EnemyStates/Patrol";
 import Alert from "./EnemyStates/Alert";
+import Attack from "./EnemyStates/Attack";
 import { GameState, Statuses } from "../sword_enums";
 
 import Sprite from "../../Wolfie2D/Nodes/Sprites/Sprite";
@@ -35,24 +34,12 @@ export default class EnemyAI extends StateMachineAI implements BattlerAI {
 
     maxSpeed: number = 40;
 
-    /** The weapon this AI has */
-    weapon: Weapon;
-
     /** A reference to the player object */
     player: GameNode;
 
     // The current known position of the player
     playerPos: Vec2;
 
-    // The last known position of the player
-    lastPlayerPos: Vec2;
-
-    // Path to player
-    //path: NavigationPath;
-
-    // Path away from player
-    retreatPath: NavigationPath;
-
     tilemap: OrthogonalTilemap;
 
     velocity: Vec2 = Vec2.ZERO;
@@ -85,13 +72,12 @@ export default class EnemyAI extends StateMachineAI implements BattlerAI {
          // Patrol mode
         this.addState(EnemyStates.PATROL, new Patrol(this, owner));
         this.addState(EnemyStates.ALERT, new Alert(this, owner));
+        this.addState(EnemyStates.ATTACK, new Attack(this, owner));
         
         this.maxHealth = options.health;
 
         this.CURRENT_HP = options.health;
 
-        this.weapon = options.weapon;
-
         this.player = options.player;
 
         //TODO - get correct tilemap
@@ -190,7 +176,6 @@ export default class EnemyAI extends StateMachineAI implements BattlerAI {
                 }
             }
         }
-
         return pos;
     }
     

src/shattered_sword/AI/EnemyStates/Alert.ts

@@ -5,13 +5,16 @@ import AnimatedSprite from "../../../Wolfie2D/Nodes/Sprites/AnimatedSprite";
 
 export default class Alert extends EnemyState {
     onEnter(options: Record<string, any>): void {
-        (<AnimatedSprite>this.owner).animation.playIfNotAlready("IDLE", true);
+        (<AnimatedSprite>this.owner).animation.playIfNotAlready("WALK", true);
     }
 
     update(deltaT: number): void {
         let position = this.parent.getPlayerPosition();
         if (position) {
             this.parent.velocity.x = this.parent.maxSpeed * Math.sign(position.x - this.owner.position.x);
+            if (this.parent.attackTimer.isStopped()) {
+                this.finished(EnemyStates.ATTACK);
+            }
         }
         else {
             this.parent.velocity.x = 0;

src/shattered_sword/AI/EnemyStates/Attack.ts

@@ -0,0 +1,34 @@
+import EnemyAI, { EnemyStates } from "../EnemyAI";
+import EnemyState from "./EnemyState";
+import Sprite from "../../../Wolfie2D/Nodes/Sprites/Sprite";
+import AnimatedSprite from "../../../Wolfie2D/Nodes/Sprites/AnimatedSprite";
+
+export default class Alert extends EnemyState {
+    onEnter(options: Record<string, any>): void {
+        (<AnimatedSprite>this.owner).animation.playIfNotAlready("WALK", true);
+    }
+
+    update(deltaT: number): void {
+        let position = this.parent.getPlayerPosition();
+        if (position) {
+            this.parent.velocity.x = this.parent.maxSpeed * Math.sign(position.x - this.owner.position.x);
+        }
+        else {
+            this.parent.velocity.x = 0;
+            this.finished(EnemyStates.PATROL);
+        }
+
+        this.parent.direction = this.parent.velocity.x >= 0 ? 1 : -1;
+        if (!this.canWalk()) {
+            this.parent.velocity.x = 0;
+        }
+
+        (<Sprite>this.owner).invertX = this.parent.direction === 1 ? true : false ;
+        super.update(deltaT);
+    }
+
+    onExit(): Record<string, any> {
+        (<AnimatedSprite>this.owner).animation.stop();
+        return null;
+    }
+}