#include "olcPixelGameEngine.h"
#include "olcSoundWaveEngine.h"
#include "olcPGEX_TransformedView.h"
#include "Unit.h"
#include "Constant.h"
#include "Image.h"
#include "DeathAnimation.h"
#include "olcPGEX_AudioListener.h"
#include "olcPGEX_AudioSource.h"
#include "Sound.h"

struct Letter{
	vf2d pos;
	float spd;
	char c;
};

class VirusAttack : public olc::PixelGameEngine
{
	class CollectionPoint{
	public:
		vf2d pos;
		Renderable img;
		Sprite*originalCollectionPointImg;
		MemoryType type;
		vf2d randomOffset;
		float rot;
		CollectionPoint(PixelGameEngine*pge,vf2d pos,float rot,Renderable&collectionPointImg,MemoryType type);
		void Update(PixelGameEngine*pge,Renderable&matrixImg);
	};
private:
	std::vector<std::shared_ptr<Unit>>units;
	std::vector<std::unique_ptr<CollectionPoint>>collectionPoints;
	std::vector<std::unique_ptr<DeathAnimation>>deathAnimations;

	std::map<Image,std::unique_ptr<Renderable>>IMAGES;
	std::map<Sound,std::unique_ptr<Audio>>SOUNDS;

	olcPGEX_AudioListener AL;
	Audio*bgm;

	TileTransformedView game;

	float matrixTimer=0;
	float updatePixelsTimer=0;
	const std::array<char,16>matrixLetters={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F',};
	std::vector<Letter>activeLetters;

	vf2d startingDragPos=CONSTANT::UNSELECTED;
	void HandleDraggingSelection();
	void DrawSelectionRectangle();
	void HandleRightClickMove();
	void CollisionChecking(std::shared_ptr<Unit>u,std::shared_ptr<Unit>u2);
	void IdentifyClosestTarget(std::weak_ptr<Unit>&closestUnit,float&closestDist,std::shared_ptr<Unit>u,std::shared_ptr<Unit>u2);
	vf2d GetWorldMousePos();
	void HandlePanAndZoom(float fElapsedTime);
	void DrawMinimap();
	void HandleMinimapClick();
	void InitializeImages();
	void UpdateMatrixTexture(float fElapsedTime);
	void RenderCollectionPoints(CollectionPoint*cp);
	void RenderFogOfWar();
	void InitializeSounds();

public:
	VirusAttack();

public:
	bool OnUserCreate() override;

	bool OnUserUpdate(float fElapsedTime) override;
};