/*

  Copyright (C) 2014 Apple Inc. All Rights Reserved.

  See LICENSE.txt for this sample’s licensing information

  Abstract:

        Defines the class for the archer hero character

*/

import SpriteKit

let kArcherProjectileSpeed = 8.0

var sSharedArcherProjectile = SKSpriteNode()

var sSharedArcherProjectileEmitter = SKEmitterNode()

var kLoadSharedArcherAssetsOnceToken: dispatch_once_t = 0

class Archer: HeroCharacter {

    // MARK: Initializers

    convenience init(atPosition: CGPoint, withPlayer: Player) {

        let atlas = SKTextureAtlas(named: "Archer_Idle")

        let texture = atlas.textureNamed("archer_idle_0001.png")

        self.init(atPosition: atPosition, withTexture: texture, player: withPlayer)

    }

    // MARK: Setup

    override func projectile() -> SKSpriteNode {

        return sSharedArcherProjectile

    }

    override func projectileEmitter() -> SKEmitterNode {

        return sSharedArcherProjectileEmitter

    }

    // MARK: Asset Pre-loading

    class func loadSharedAssets() {

        dispatch_once(&kLoadSharedArcherAssetsOnceToken) {

            sSharedArcherProjectile = SKSpriteNode(color: SKColor.whiteColor(), size: CGSize(width: 2.0, height: 24.0))

            sSharedArcherProjectile.name = "Projectile"

            // Assign the physics body; unwrap the physics body to configure it.

            sSharedArcherProjectile.physicsBody = SKPhysicsBody(circleOfRadius: kProjectileCollisionRadius)

            sSharedArcherProjectile.physicsBody!.categoryBitMask = ColliderType.Projectile.rawValue

            sSharedArcherProjectile.physicsBody!.collisionBitMask = ColliderType.Wall.rawValue

            sSharedArcherProjectile.physicsBody!.contactTestBitMask = sSharedArcherProjectile.physicsBody!.collisionBitMask

            sSharedArcherProjectileEmitter = SKEmitterNode.nodeWithName("ArcherProjectile")

            self.idleAnimationFrames = loadFramesFromAtlasWithName("Archer_Idle")

            self.walkAnimationFrames = loadFramesFromAtlasWithName("Archer_Walk")

            self.attackAnimationFrames = loadFramesFromAtlasWithName("Archer_Attack")

            self.getHitAnimationFrames = loadFramesFromAtlasWithName("Archer_GetHit")

            self.deathAnimationFrames = loadFramesFromAtlasWithName("Archer_Death")

            let actions = [

                SKAction.colorizeWithColor(SKColor.whiteColor(), colorBlendFactor: 10.0, duration: 0.0),

                SKAction.waitForDuration(0.75),

                SKAction.colorizeWithColorBlendFactor(0.0, duration: 0.25)

            ]

            self.damageAction = SKAction.sequence(actions)

        }

    }

}