#pragma once
#include <vector>
#include "Framework.h"
#include "Vector3D.h"
#include "Vertex.h"
#include "Matrix.h"
#include "SharedTools.h"
#include "Camera.h"
#include "Model.h"
#include "MD2Loader.h"
#include "Light.h"
#include "AmbientLight.h"
#include "DirectionalLight.h"
#include "PointLight.h"

using namespace std;
using namespace SharedTools;

class Rasteriser : public Framework
{
public:	
	bool Initialise();
	void Update(const Bitmap& bitmap);
	void Render(const Bitmap& bitmap);
	void ClearViewport(const Bitmap& bitmap);

	void SetCurrentCamera(int index);
	Camera& GetCamera(int index);
	Camera& GetCurrentCamera();

	void CalculateLighting(Model& currentModel, bool fullLightRender);

	void DrawSquare(HDC hDc, const vector<Vertex> verticies);
	void DrawShape(HDC hDc, const vector<Vertex> verticies);

	void DrawWireFrame(HDC hDc, Model& model);
	void DrawSolidFlat(HDC hDc, Model& model);
	void DrawRasterisedSolidFlat(HDC hDc, Model& model);
	void DrawGouraud(HDC hDc, Model& model);
		
	void FillPolygonFlat(HDC hDc, vector<Vertex>& verticies, COLORREF colorIn);
	void FillFlatSideTriangle(HDC hDc, const Vertex& v1, const Vertex& v2, const Vertex& v3, COLORREF colorIn);

	void FillPolygonGouraud(HDC hDc, vector<Vertex>& verticies);
	void FillGouraudTopFlatTriangle(HDC hDc, const Vertex& v1, const Vertex& v2, const Vertex& v3);
	void FillGouraudBottomFlatTriangle(HDC hDc, const Vertex& v1, const Vertex& v2, const Vertex& v3);

	void FillPolygonGouraudInt(HDC hDc, vector<Vertex>& verticies);
	void FillGouraudSideTriangle(HDC hDc, const Vertex& v1, const Vertex& v2, const Vertex& v3);

private:
	vector<Model> _sceneModels;
	vector<Light*> _lights;
	vector<Camera> _cameras;

	int _currentCamera = 0;

	Matrix _currentPerspectiveMatrix;
	Matrix _currentViewMatrix;
	float  _currentAspectRatio = 0.0f;
	int _rotation = 0;

	bool _screenMinimized = false;
};