/*

    Copyright (C) 2015 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    Useful structures for organizing and storing shared assets.

*/

import SpriteKit

// Allows adopters to advertise that they have shared assets that require loading and can load them.

protocol SharedAssetProvider {

    static func loadSharedAssets()

}

enum CharacterType {

    case Archer, Warrior, Cave, Goblin, Boss

}

// This function uses pattern matching to infer the appropriate enum value based on the type provided.

func inferCharacterType(fromType: Character.Type) -> CharacterType {

    switch fromType {

        case is Goblin.Type:

            return CharacterType.Goblin

        case is Cave.Type:

            return CharacterType.Cave

        case is Boss.Type:

            return CharacterType.Boss

        case is Warrior.Type:

            return CharacterType.Warrior

        case is Archer.Type:

            return CharacterType.Archer

        default:

            fatalError("Unknown type provided for \(__FUNCTION__).")

    }

}

// Holds shared animation textures for the various character types. Keys are provided for the inner dictionary.

struct SharedTextures {

    struct Keys {

        static var idle = "textures.idle"

        static var walk = "textures.walk"

        static var attack = "textures.attack"

        static var hit = "textures.hit"

        static var death = "textures.death"

    }

    static var textures = [CharacterType: [String: [SKTexture]]]()

}

// Holds shared sprites for the various character types. Keys are provided for the inner dictionary.

struct SharedSprites {

    struct Keys {

        static var projectile = "sprites.projectile"

        static var deathSplort = "sprites.deathSplort"

    }

    static var sprites = [CharacterType: [String: SKSpriteNode]]()

}

// Holds shared emitters for the various character types. Keys are provided for the inner dictionary.

struct SharedEmitters {

    struct Keys {

        static var damage = "emitters.damage"

        static var death = "emitters.death"

        static var projectile = "emitters.projectile"

    }

    static var emitters = [CharacterType: [String: SKEmitterNode]]()

}

// Holds shared actions for the various character types. Keys are provided for the inner dictionary.

struct SharedActions {

    struct Keys {

        static var damage = "actions.damage"

    }

    static var actions = [CharacterType: [String: SKAction]]()

}