/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com.                */
#ifndef GAME_CLIENT_RENDER_H
#define GAME_CLIENT_RENDER_H

#include <engine/graphics.h>
#include <base/vmath.h>
#include <base/color.h>
#include <game/mapitems.h>
#include "ui.h"

class CTeeRenderInfo
{
public:
	CTeeRenderInfo()
	{
		m_ColorBody = ColorRGBA(1,1,1);
		m_ColorFeet = ColorRGBA(1,1,1);
		m_Size = 1.0f;
		m_GotAirJump = 1;
	};

	IGraphics::CTextureHandle m_Texture;
	ColorRGBA m_ColorBody;
	ColorRGBA m_ColorFeet;
	float m_Size;
	int m_GotAirJump;
};

// sprite renderings
enum
{
	SPRITE_FLAG_FLIP_Y=1,
	SPRITE_FLAG_FLIP_X=2,

	LAYERRENDERFLAG_OPAQUE=1,
	LAYERRENDERFLAG_TRANSPARENT=2,

	TILERENDERFLAG_EXTEND=4,
};

typedef void (*ENVELOPE_EVAL)(float TimeOffset, int Env, float *pChannels, void *pUser);

class CRenderTools
{
	int m_TeeQuadContainerIndex;
public:
	class IGraphics *m_pGraphics;
	class CUI *m_pUI;

	class IGraphics *Graphics() const { return m_pGraphics; }
	class CUI *UI() const { return m_pUI; }

	void Init(class IGraphics *pGraphics, class CUI *pUI);

	//typedef struct SPRITE;

	void SelectSprite(struct CDataSprite *pSprite, int Flags=0, int sx=0, int sy=0);
	void SelectSprite(int id, int Flags=0, int sx=0, int sy=0);

	void DrawSprite(float x, float y, float size);
	void QuadContainerAddSprite(int QuadContainerIndex, float x, float y, float size, bool DoSpriteScale = true);
	void QuadContainerAddSprite(int QuadContainerIndex, float size, bool DoSpriteScale = true);
	void QuadContainerAddSprite(int QuadContainerIndex, float X, float Y, float Width, float Height);

	// rects
	void DrawRoundRect(float x, float y, float w, float h, float r);
	void DrawRoundRectExt(float x, float y, float w, float h, float r, int Corners);
	void DrawRoundRectExt4(float x, float y, float w, float h, vec4 ColorTopLeft, vec4 ColorTopRight, vec4 ColorBottomLeft, vec4 ColorBottomRight, float r, int Corners);

	int CreateRoundRectQuadContainer(float x, float y, float w, float h, float r, int Corners);

	void DrawUIRect(const CUIRect *pRect, ColorRGBA Color, int Corners, float Rounding);
	void DrawUIRect4(const CUIRect *pRect, vec4 ColorTopLeft, vec4 ColorTopRight, vec4 ColorBottomLeft, vec4 ColorBottomRight, int Corners, float Rounding);

	void DrawCircle(float x, float y, float r, int Segments);

	// larger rendering methods
	void RenderTilemapGenerateSkip(class CLayers *pLayers);

	// object render methods (gc_render_obj.cpp)
	void RenderTee(class CAnimState *pAnim, CTeeRenderInfo *pInfo, int Emote, vec2 Dir, vec2 Pos, float Alpha = 1.0f);

	// map render methods (gc_render_map.cpp)
	static void RenderEvalEnvelope(CEnvPoint *pPoints, int NumPoints, int Channels, float Time, float *pResult);
	void RenderQuads(CQuad *pQuads, int NumQuads, int Flags, ENVELOPE_EVAL pfnEval, void *pUser);
	void ForceRenderQuads(CQuad *pQuads, int NumQuads, int Flags, ENVELOPE_EVAL pfnEval, void *pUser, float Alpha = 1.0f);
	void RenderTilemap(CTile *pTiles, int w, int h, float Scale, ColorRGBA Color, int RenderFlags, ENVELOPE_EVAL pfnEval, void *pUser, int ColorEnv, int ColorEnvOffset);

	// render a rectangle made of IndexIn tiles, over a background made of IndexOut tiles
	// the rectangle include all tiles in [RectX, RectX+RectW-1] x [RectY, RectY+RectH-1]
	void RenderTileRectangle(int RectX, int RectY, int RectW, int RectH, unsigned char IndexIn, unsigned char IndexOut, float Scale, ColorRGBA Color, int RenderFlags, ENVELOPE_EVAL pfnEval, void *pUser, int ColorEnv, int ColorEnvOffset);

	// helpers
	void CalcScreenParams(float Aspect, float Zoom, float *w, float *h);
	void MapscreenToWorld(float CenterX, float CenterY, float ParallaxX, float ParallaxY,
		float OffsetX, float OffsetY, float Aspect, float Zoom, float *pPoints);

	// DDRace

	void RenderTeleOverlay(CTeleTile *pTele, int w, int h, float Scale, float Alpha=1.0f);
	void RenderSpeedupOverlay(CSpeedupTile *pTele, int w, int h, float Scale, float Alpha=1.0f);
	void RenderSwitchOverlay(CSwitchTile *pSwitch, int w, int h, float Scale, float Alpha=1.0f);
	void RenderTuneOverlay(CTuneTile *pTune, int w, int h, float Scale, float Alpha=1.0f);
	void RenderTelemap(CTeleTile *pTele, int w, int h, float Scale, ColorRGBA Color, int RenderFlags);
	void RenderSpeedupmap(CSpeedupTile *pTele, int w, int h, float Scale, ColorRGBA Color, int RenderFlags);
	void RenderSwitchmap(CSwitchTile *pSwitch, int w, int h, float Scale, ColorRGBA Color, int RenderFlags);
	void RenderTunemap(CTuneTile *pTune, int w, int h, float Scale, ColorRGBA Color, int RenderFlags);
};

#endif