added super simple ai

no GOAP yet

src/shattered_sword/AI/EnemyAI.ts

@@ -0,0 +1,196 @@
+import GoapActionPlanner from "../../Wolfie2D/AI/GoapActionPlanner";
+import StateMachineAI from "../../Wolfie2D/AI/StateMachineAI";
+import StateMachineGoapAI from "../../Wolfie2D/AI/StateMachineGoapAI";
+import GoapAction from "../../Wolfie2D/DataTypes/Interfaces/GoapAction";
+import AABB from "../../Wolfie2D/DataTypes/Shapes/AABB";
+import Stack from "../../Wolfie2D/DataTypes/Stack";
+import State from "../../Wolfie2D/DataTypes/State/State";
+import Vec2 from "../../Wolfie2D/DataTypes/Vec2";
+import GameEvent from "../../Wolfie2D/Events/GameEvent";
+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 { Statuses } from "../sword_enums";
+
+import Sprite from "../../Wolfie2D/Nodes/Sprites/Sprite";
+
+import MathUtils from "../../Wolfie2D/Utils/MathUtils";
+export default class EnemyAI extends StateMachineGoapAI implements BattlerAI {
+    /** The owner of this AI */
+    owner: AnimatedSprite;
+
+    /** The total possible amount of health this entity has */
+    maxHealth: number;
+
+    /** The current amount of health this entity has */
+    CURRENT_HP: number;
+
+    /** The default movement speed of this AI */
+    speed: number = 20;
+
+    /** 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;
+
+    // Attack range
+    inRange: number;
+
+    // Path to player
+    //path: NavigationPath;
+
+    // Path away from player
+    retreatPath: NavigationPath;
+
+    tilemap: OrthogonalTilemap;
+
+    velocity: Vec2 = Vec2.ZERO;
+
+    direction: number; //1 for right, -1 for left
+
+    initializeAI(owner: AnimatedSprite, options: Record<string, any>): void {
+        this.owner = owner;
+
+        //add states
+         // Patrol mode
+        this.addState(EnemyStates.DEFAULT, new Patrol(this, owner));
+        
+        this.maxHealth = options.health;
+
+        this.CURRENT_HP = options.health;
+
+        this.weapon = options.weapon;
+
+        this.player = options.player;
+
+        this.inRange = options.inRange;
+
+        this.goal = options.goal;
+
+        this.currentStatus = options.status;
+
+        this.possibleActions = options.actions;
+
+        this.plan = new Stack<GoapAction>();
+
+        this.planner = new GoapActionPlanner();
+
+        //TODO - get correct tilemap
+        //this.tilemap = this.owner.getScene().getTilemap(options.tilemap) as OrthogonalTilemap;
+        this.tilemap = <OrthogonalTilemap>this.owner.getScene().getLayer("Wall").getItems()[0];
+        //this.tilemap = <OrthogonalTilemap>this.owner.getScene().getTilemap("Main");
+
+        // Initialize to the default state
+        this.initialize(EnemyStates.DEFAULT);
+
+        //this.getPlayerPosition();
+
+        this.direction = 1; //default moving to the right
+        
+    }
+
+    activate(options: Record<string, any>): void { }
+
+    damage(damage: number): void {
+        this.CURRENT_HP -= damage;
+
+        // If we're low enough, add Low Health status to enemy
+        if (this.CURRENT_HP <= Math.floor(this.maxHealth/2)) {
+            
+        }
+
+        // If health goes below 0, disable AI and fire enemyDied event
+        if (this.CURRENT_HP <= 0) {
+            this.owner.setAIActive(false, {});
+            this.owner.isCollidable = false;
+            this.owner.visible = false;
+
+            this.emitter.fireEvent("enemyDied", {enemy: this.owner})
+
+
+            if (Math.random() < 0.05) {
+                // give buff maybe
+                //this.emitter.fireEvent("giveBuff", { position: this.owner.position });
+            }
+        }
+    }
+
+    //TODO - need to modify for side view
+    /*
+    isPlayerVisible(pos: Vec2): Vec2{
+        //Check if one player is visible, taking into account walls
+
+        // Get the new player location
+        let start = this.owner.position.clone();
+        let delta = pos.clone().sub(start);
+
+        // Iterate through the tilemap region until we find a collision
+        let minX = Math.min(start.x, pos.x);
+        let maxX = Math.max(start.x, pos.x);
+        let minY = Math.min(start.y, pos.y);
+        let maxY = Math.max(start.y, pos.y);
+
+        // Get the wall tilemap
+        let walls = <OrthogonalTilemap>this.owner.getScene().getLayer("Wall").getItems()[0];
+
+        let minIndex = walls.getColRowAt(new Vec2(minX, minY));
+        let maxIndex = walls.getColRowAt(new Vec2(maxX, maxY));
+
+        let tileSize = walls.getTileSize();
+
+        for (let col = minIndex.x; col <= maxIndex.x; col++) {
+            for (let row = minIndex.y; row <= maxIndex.y; row++) {
+                if (walls.isTileCollidable(col, row)) {
+                    // Get the position of this tile
+                    let tilePos = new Vec2(col * tileSize.x + tileSize.x / 2, row * tileSize.y + tileSize.y / 2);
+
+                    // Create a collider for this tile
+                    let collider = new AABB(tilePos, tileSize.scaled(1 / 2));
+
+                    let hit = collider.intersectSegment(start, delta, Vec2.ZERO);
+
+                    if (hit !== null && start.distanceSqTo(hit.pos) < start.distanceSqTo(pos)) {
+                        // We hit a wall, we can't see the player
+                        return null;
+                    }
+                }
+            }
+        }
+
+        return pos;
+    }
+    */
+
+    
+
+    update(deltaT: number){
+        super.update(deltaT);
+
+        // This is the plan that is executed in the Active state, so whenever we don't have a plan, acquire a new one given the current statuses the enemy has
+        /*
+        if (this.plan.isEmpty()) {
+            //get a new plan
+            this.plan = this.planner.plan(Statuses.REACHED_GOAL, this.possibleActions, this.currentStatus, null);
+        }
+        */
+        
+    }
+}
+
+export enum EnemyStates {
+    DEFAULT = "default",
+    ALERT = "alert",
+    PREVIOUS = "previous"
+}

src/shattered_sword/AI/EnemyStates/EnemyState.ts

@@ -0,0 +1,23 @@
+import State from "../../../Wolfie2D/DataTypes/State/State";
+import GameNode from "../../../Wolfie2D/Nodes/GameNode";
+import EnemyAI from "../EnemyAI";
+
+export default abstract class EnemyState extends State {
+    protected parent: EnemyAI;
+    protected owner: GameNode;
+    gravity: number = 1500; //TODO - can change later
+
+    constructor(parent: EnemyAI, owner: GameNode){
+      super(parent);
+      this.owner = owner;
+    }
+
+
+    
+	update(deltaT: number): void {
+		// Do gravity
+		this.parent.velocity.y += this.gravity*deltaT;
+	}
+    
+}
+

src/shattered_sword/AI/EnemyStates/OnGround.ts

@@ -0,0 +1,27 @@
+import GameEvent from "../../../Wolfie2D/Events/GameEvent";
+import Input from "../../../Wolfie2D/Input/Input";
+import Sprite from "../../../Wolfie2D/Nodes/Sprites/Sprite";
+import MathUtils from "../../../Wolfie2D/Utils/MathUtils";
+import EnemyState from "./EnemyState";
+
+export default class OnGround extends EnemyState {
+	onEnter(options: Record<string, any>): void {}
+
+	update(deltaT: number): void {
+		if(this.parent.velocity.y > 0){
+			this.parent.velocity.y = 0;
+		}
+		super.update(deltaT);
+
+		
+		this.finished("fall");
+		
+		
+	}
+
+	handleInput(event: GameEvent): void { }
+	
+	onExit(): Record<string, any> {
+		return {};
+	}
+}

src/shattered_sword/AI/EnemyStates/Patrol.ts

@@ -0,0 +1,71 @@
+import Vec2 from "../../../Wolfie2D/DataTypes/Vec2";
+import GameEvent from "../../../Wolfie2D/Events/GameEvent";
+import GameNode from "../../../Wolfie2D/Nodes/GameNode";
+import NavigationPath from "../../../Wolfie2D/Pathfinding/NavigationPath";
+
+import EnemyAI, { EnemyStates } from "../EnemyAI";
+import EnemyState from "./EnemyState";
+import Sprite from "../../../Wolfie2D/Nodes/Sprites/Sprite";
+import MathUtils from "../../../Wolfie2D/Utils/MathUtils";
+import OnGround from "./OnGround";
+
+export default class Patrol extends EnemyState {
+
+    
+
+    // A return object for exiting this state
+    protected retObj: Record<string, any>;
+
+    constructor(parent: EnemyAI, owner: GameNode){
+        super(parent, owner);
+      
+    }
+
+    onEnter(options: Record<string, any>): void {
+        //this.currentPath = this.getNextPath();
+    }
+
+    handleInput(event: GameEvent): void { }
+
+    update(deltaT: number): void {
+        super.update(deltaT);
+        
+        //no goap rn, just adding some moving
+        let colrow = this.parent.tilemap.getColRowAt(this.owner.position.clone());
+        
+        //check if next tile on walking path is collidable
+        if(this.parent.tilemap.isTileCollidable(colrow.x+this.parent.direction,colrow.y)){
+            //turn around
+            console.log(this.parent.tilemap.getTileAtRowCol(colrow));
+            this.parent.direction *= -1;
+            (<Sprite>this.owner).invertX = MathUtils.sign(1) < 0;
+            console.log("turn around cus wall in front");
+        }
+        //check if next ground tile is collidable 
+        else if(this.parent.tilemap.isTileCollidable(colrow.x+this.parent.direction,colrow.y+1)){
+            //keep moving
+            //this.velocity.x =  this.speed;
+            console.log("there is floor ahead");
+        }
+        else{
+            //turn around 
+            this.parent.direction *=-1;
+            (<Sprite>this.owner).invertX = MathUtils.sign(1) < 0;
+            console.log("turn around cus no floor in front");
+            
+        }
+        //move
+        this.parent.velocity.x = this.parent.direction * this.parent.speed;
+
+        //move this elsewhere later
+        this.owner.move(this.parent.velocity.scaled(deltaT));
+        //console.log("enemy moving");
+    }
+
+    onExit(): Record<string, any> {
+        return this.retObj;
+    }
+
+    
+
+}

src/shattered_sword/GameSystems/BattleManager.ts

@@ -11,12 +11,13 @@ export default class BattleManager {
     handleInteraction(attackerType: string, weapon: Weapon) {
         //may be unneeded since we are controlling the player - 
         //we determine enemy collision there
-        /* 
+        
         if (attackerType === "player") {
             // Check for collisions with enemies
             for (let enemy of this.enemies) {
                 if (weapon.hits(enemy.owner)) {
                     enemy.damage(weapon.type.damage);
+                    console.log("enemy took dmg");
                 }
             }
         } else {
@@ -27,14 +28,8 @@ export default class BattleManager {
                 }
             }
         }
-        */
+        
 
-        // Check for collision with player
-        for (let player of this.players) {
-            if (weapon.hits(player.owner)) {
-                player.damage(weapon.type.damage);
-            }
-        }
     }
 
     setPlayers(player: Array<BattlerAI>): void {
@@ -44,4 +39,8 @@ export default class BattleManager {
     setEnemies(enemies: Array<BattlerAI>): void {
         this.enemies = enemies;
     }
+
+    addEnemy(enemy : BattlerAI){
+        this.enemies.push(enemy);
+    }
 }

src/shattered_sword/Player/PlayerController.ts

@@ -32,9 +32,13 @@ export enum PlayerStates {
 
 export enum BuffType {
     ATK = "attack",
-    DEF = "defence"
+    DEF = "defence",
+    HEALTH = "health",
+    SPEED = "speed",
+    RANGE = "range"
 }
 
+
 type Buff = {
     "type": BuffType,
     "value": number,
@@ -45,10 +49,11 @@ type Buffs = [
     Buff, Buff, Buff
 ]
 
-
+//TODO - discuss max stats during refinement, unused for now
 export default class PlayerController extends StateMachineAI implements BattlerAI{
     owner: GameNode;
     velocity: Vec2 = Vec2.ZERO;
+    //will need to discuss redundant stats
 	speed: number = 200;
 	MIN_SPEED: number = 200;
     MAX_SPEED: number = 300;
@@ -78,10 +83,11 @@ export default class PlayerController extends StateMachineAI implements BattlerA
     inventory: InventoryManager;
 
     CURRENT_BUFFS: {
-        atk: 0;
-        hp: 0;
-        def: 0;
-        speed: 0;
+        atk: number;    //flat value to add to weapon
+        hp: number;     //flat value 
+        def: number;    //falt value
+        speed: number;
+        range:number;   //range will be a multiplier value: 1.5 = 150% range
     }
     
     
@@ -99,10 +105,36 @@ export default class PlayerController extends StateMachineAI implements BattlerA
 	 * Add given buff to the player
 	 * @param buff Given buff
 	 */
-    setBuff(buff: Buff): void {
+    addBuff(buff: Buff): void {
         // TODO
+        let item = this.inventory.getItem();
+            
+        switch(buff.type){
+            case BuffType.HEALTH:
+                this.CURRENT_BUFFS.hp += buff.value;
+                this.CURRENT_HP += buff.value;
+                break;
+            case BuffType.ATK:
+                //TODO - may have to modify the weapon dmg value here instead
+                this.CURRENT_BUFFS.atk += buff.value;
+                break;
+            case BuffType.SPEED:
+                this.CURRENT_BUFFS.speed += buff.value;
+                break;
+            case BuffType.DEF:
+                this.CURRENT_BUFFS.def += buff.value;
+                break;
+            case BuffType.RANGE:
+                this.CURRENT_BUFFS.range += buff.value;
+                if (item) {
+                    //item.sprite.
+                }
+                break;
+        }
     }
 
+    
+
     //TODO - get the correct tilemap
     initializeAI(owner: GameNode, options: Record<string, any>){
         this.owner = owner;
@@ -114,6 +146,10 @@ export default class PlayerController extends StateMachineAI implements BattlerA
         this.inventory  = options.inventory;
 
         this.lookDirection = new Vec2();
+
+        this.CURRENT_BUFFS = {hp:0, atk:0, def:0, speed:0, range:0};
+       
+        this.addBuff( {type:BuffType.HEALTH, value:1, bonus:false} );
     }
 
     initializePlatformer(): void {
@@ -167,7 +203,7 @@ export default class PlayerController extends StateMachineAI implements BattlerA
             }
         }
         
-
+        
 	}
 
     

src/shattered_sword/Scenes/GameLevel.ts

@@ -16,12 +16,12 @@ import Color from "../../Wolfie2D/Utils/Color";
 import { EaseFunctionType } from "../../Wolfie2D/Utils/EaseFunctions";
 import PlayerController from "../Player/PlayerController";
 import MainMenu from "./MainMenu";
-import { Player_Events } from "../sword_enums";
+import { Player_Events, Statuses } from "../sword_enums";
 import RegistryManager from "../../Wolfie2D/Registry/RegistryManager";
 import WeaponType from "../GameSystems/items/WeaponTypes/WeaponType";
 import Weapon from "../GameSystems/items/Weapon";
 import BattleManager from "../GameSystems/BattleManager";
-//import EnemyAI from "../AI/EnemyAI";
+import EnemyAI from "../AI/EnemyAI";
 import BattlerAI from "../AI/BattlerAI";
 import InventoryManager from "../GameSystems/InventoryManager";
 import Item from "../GameSystems/items/Item";
@@ -63,6 +63,9 @@ export default class GameLevel extends Scene {
 
      // A list of items in the scene
      private items: Array<Item>;
+
+     // A list of enemies
+    private enemies: Array<AnimatedSprite>;
     
     loadScene(): void {
         //can load player sprite here
@@ -82,6 +85,8 @@ export default class GameLevel extends Scene {
         this.load.image("knife", "shattered_sword_assets/sprites/knife.png");
         this.load.spritesheet("slice", "shattered_sword_assets/spritesheets/slice.json");
         this.load.image("inventorySlot", "shattered_sword_assets/sprites/inventory.png");
+
+        this.load.spritesheet("test_dummy","shattered_sword_assets/spritesheets/test_dummy.json")
     }
 
     startScene(): void {
@@ -95,10 +100,13 @@ export default class GameLevel extends Scene {
         // Create the battle manager
         this.battleManager = new BattleManager();
 
-         // TODO
-         this.initializeWeapons();
-         // Initialize the items array - this represents items that are in the game world
-         this.items = new Array();
+        // TODO
+        this.initializeWeapons();
+        // Initialize the items array - this represents items that are in the game world
+        this.items = new Array();
+
+         // Create an enemies array
+        this.enemies = new Array();
 
         this.initPlayer();
         this.subscribeToEvents();
@@ -148,7 +156,7 @@ export default class GameLevel extends Scene {
 
         //update health UI 
         let playerAI = (<PlayerController>this.player.ai);
-        this.healthLabel.text = "Player Health: "+ playerAI.CURRENT_HP +'/' + (playerAI.MAX_HP );
+        this.healthLabel.text = "Player Health: "+ playerAI.CURRENT_HP +'/' + (playerAI.MAX_HP +playerAI.CURRENT_BUFFS.hp );
 
         //handle collisions - may be in battle manager instead
 
@@ -163,8 +171,18 @@ export default class GameLevel extends Scene {
         this.playerFalloff(viewportCenter, baseViewportSize);
 
 
+        //TODO - this is for testing
+        if(Input.isJustPressed("spawn")){
+            console.log("trying to spawn enemy");
+            this.addEnemy("test_dummy",this.player.position,{player: this.player, 
+                                health :100,
+                                tilemap: "Main",
+                                //actions:actions,
+                                goal: Statuses.REACHED_GOAL,
+
+                                });
+        }
 
-        
     }
 
     /**
@@ -204,7 +222,7 @@ export default class GameLevel extends Scene {
      */
     protected addUI(){
         // In-game labels
-        this.healthLabel = <Label> this.add.uiElement(UIElementType.LABEL, "UI",{position: new Vec2(80, 30), text: "Player Health: "+ (<PlayerController>this.player.ai).CURRENT_HP });
+        this.healthLabel = <Label> this.add.uiElement(UIElementType.LABEL, "UI",{position: new Vec2(100, 30), text: "Player Health: "+ (<PlayerController>this.player.ai).CURRENT_HP });
         this.healthLabel.textColor = Color.WHITE;
         this.healthLabel.font = "PixelSimple";
 
@@ -339,7 +357,7 @@ export default class GameLevel extends Scene {
         }
         this.player.position.copy(this.playerSpawn);
         this.player.addPhysics(new AABB(Vec2.ZERO, new Vec2(32, 32)));  //sets the collision shape
-        this.player.colliderOffset.set(0, 2);
+        this.player.colliderOffset.set(0, 0);
         this.player.addAI(PlayerController, {
                         playerType: "platformer", 
                         tilemap: "Main",
@@ -367,14 +385,17 @@ export default class GameLevel extends Scene {
     
     protected addEnemy(spriteKey: string, tilePos: Vec2, aiOptions: Record<string, any>): void {
         let enemy = this.add.animatedSprite(spriteKey, "primary");
-        enemy.position.set(tilePos.x*32, tilePos.y*32);
+        //enemy.position.set(tilePos.x*32, tilePos.y*32);
+        enemy.position.copy(tilePos);
         enemy.scale.set(2, 2);
-        enemy.addPhysics();
-        //enemy.addAI(EnemyAI, aiOptions); //TODO - add individual enemy AI
+        enemy.addPhysics(new AABB(Vec2.ZERO, new Vec2(16, 25)));
+        enemy.colliderOffset.set(0, 6);
+        enemy.addAI(EnemyAI, aiOptions); //TODO - add individual enemy AI
         enemy.setGroup("Enemy");
-
-        enemy.setTrigger("player",Player_Events.PLAYER_HIT_ENEMY, null);
-
+        
+        //add enemy to the enemy array
+        this.enemies.push(enemy);
+        this.battleManager.setEnemies(this.enemies.map(enemy => <BattlerAI>enemy._ai));
     }
     
 

src/shattered_sword/sword_enums.ts

@@ -15,4 +15,11 @@ export enum Damage_Type {
     NORMAL_DAMAGE = "NormalDamage",
     ENVIRONMENT_DAMAGE = "EnvironmentDamage",
     DOT_DAMAGE = "DOTDamage",
+}
+
+export enum Statuses {
+    IN_RANGE = "IN_RANGE",
+    LOW_HEALTH = "LOW_HEALTH",
+    CAN_RETREAT = "CAN_RETREAT",
+    REACHED_GOAL = "GOAL"
 }