feat: implemented snake ai

src/shattered_sword/AI/EnemyStates/Alert.ts

@@ -12,6 +12,7 @@ export default class Alert extends EnemyState {
         let position = this.parent.getPlayerPosition();
         if (position) {
             this.parent.velocity.x = this.parent.maxSpeed * Math.sign(position.x - this.owner.position.x);
+            this.parent.direction = this.parent.velocity.x >= 0 ? 1 : -1;
             if (this.parent.attackTimer.isStopped() && this.owner.position.distanceTo(position)<=32) {
                 this.finished(EnemyStates.ATTACK);
             }
@@ -21,7 +22,6 @@ export default class Alert extends EnemyState {
             this.finished(EnemyStates.PATROL);
         }
 
-        this.parent.direction = this.parent.velocity.x >= 0 ? 1 : -1;
         if (!this.canWalk()) {
             this.parent.velocity.x = 0;
         }

src/shattered_sword/AI/EnemyStates/SnakeAttack.ts

@@ -0,0 +1,47 @@
+import EnemyAI, { EnemyStates } from "../EnemyAI";
+import EnemyState from "./EnemyState";
+import AnimatedSprite from "../../../Wolfie2D/Nodes/Sprites/AnimatedSprite";
+import Shape from "../../../Wolfie2D/DataTypes/Shapes/Shape";
+import Vec2 from "../../../Wolfie2D/DataTypes/Vec2";
+import AABB from "../../../Wolfie2D/DataTypes/Shapes/AABB";
+import Sprite from "../../../Wolfie2D/Nodes/Sprites/Sprite";
+
+export default class Attack extends EnemyState {
+    protected charged: string;
+    protected attacked: string;
+
+    onEnter(options: Record<string, any>): void {
+        this.parent.attackTimer.start();
+        this.parent.velocity.x = 0;
+        this.charged = this.owner.id+"charged";
+        this.attacked = this.owner.id+"attacked";
+
+        // TODO replace DYING with CHARGING
+        (<AnimatedSprite>this.owner).animation.play("DYING", false, this.charged);
+        this.receiver.subscribe(this.charged);
+        this.receiver.subscribe(this.attacked);
+    }
+
+    update(deltaT: number): void {
+        while (this.receiver.hasNextEvent()) {
+            let event = this.receiver.getNextEvent().type;
+            switch (event) {
+                case this.charged:
+                    (<AnimatedSprite>this.owner).animation.play("ATTACK", false, this.attacked);
+                    (<AABB>this.owner.collisionShape).halfSize.x += 3.5;
+                    break;
+                case this.attacked:
+                    (<AABB>this.owner.collisionShape).halfSize.x -= 3.5;
+                    this.finished(EnemyStates.ALERT);
+                    break;
+            }
+        }
+        console.log(this.parent.direction);
+        (<Sprite>this.owner).invertX = this.parent.direction === 1 ? true : false ;
+    }
+
+    onExit(): Record<string, any> {
+        (<AnimatedSprite>this.owner).animation.stop();
+        return null;
+    }
+}

src/shattered_sword/AI/SnakeAI.ts

@@ -0,0 +1,10 @@
+import AnimatedSprite from "../../Wolfie2D/Nodes/Sprites/AnimatedSprite";
+import EnemyAI, { EnemyStates } from "./EnemyAI";
+import SnakeAttack from "./EnemyStates/SnakeAttack";
+
+export default class SnakeAI extends EnemyAI {
+    initializeAI(owner: AnimatedSprite, options: Record<string, any>): void {
+        super.initializeAI(owner, options);
+        this.addState(EnemyStates.ATTACK, new SnakeAttack(this, owner));
+    }
+}

src/shattered_sword/Scenes/GameLevel.ts

@@ -20,6 +20,7 @@ import WeaponType from "../GameSystems/items/WeaponTypes/WeaponType";
 import Weapon from "../GameSystems/items/Weapon";
 import BattleManager from "../GameSystems/BattleManager";
 import EnemyAI from "../AI/EnemyAI";
+import SnakeAI from "../AI/SnakeAI";
 import BattlerAI from "../AI/BattlerAI";
 import InventoryManager from "../GameSystems/InventoryManager";
 import Item from "../GameSystems/items/Item";
@@ -878,7 +879,7 @@ export default class GameLevel extends Scene {
         for (let enemy of enemies) {
             switch (enemy.type) {
                 case "Snake":       //Snake enemies drop from sky("trees")? or could just be very abundant
-                    this.addEnemy("Snake", enemy.position.scale(32), EnemyAI, {
+                    this.addEnemy("Snake", enemy.position.scale(32), SnakeAI, {
                         player: this.player,
                         health: 50,
                         tilemap: "Main",

src/shattered_sword/Scenes/Tutorial.ts

@@ -1,18 +1,8 @@
-import { TiledTilemapData } from "../../Wolfie2D/DataTypes/Tilesets/TiledData";
 import Vec2 from "../../Wolfie2D/DataTypes/Vec2";
-import Debug from "../../Wolfie2D/Debug/Debug";
-import { GameEventType } from "../../Wolfie2D/Events/GameEventType";
 import RandomMapGenerator from "../Tools/RandomMapGenerator";
 import GameLevel from "./GameLevel";
-import Label from "../../Wolfie2D/Nodes/UIElements/Label";
+import SnakeAI from "../AI/SnakeAI";
-import Color from "../../Wolfie2D/Utils/Color";
-import { UIElementType } from "../../Wolfie2D/Nodes/UIElements/UIElementTypes";
-import { Statuses } from "../sword_enums";
-import AABB from "../../Wolfie2D/DataTypes/Shapes/AABB";
-import EnemyAI from "../AI/EnemyAI";
-import BattlerAI from "../AI/BattlerAI";
 import Porcelain from "./Porcelain";
-import MainMenu from "./MainMenu";
 
 export default class Tutorial extends GameLevel {
     loadScene(): void {
@@ -39,7 +29,7 @@ export default class Tutorial extends GameLevel {
         //spawn snake()
         if(Math.random() < .0001){
             console.log("RANDOM SNAKE!");
-            this.addEnemy("Snake", this.player.position.clone().add(new Vec2(0,-320)), EnemyAI, {
+            this.addEnemy("Snake", this.player.position.clone().add(new Vec2(0,-320)), SnakeAI, {
                 player: this.player,
                         health: 50,
                         tilemap: "Main",