Merge branch 'master' into zCatch-Exp

Conflicts:
	src/engine/server.h
	src/engine/server/server.cpp
	src/engine/server/server.h
	src/engine/shared/network.h
	src/engine/shared/network_server.cpp
	src/game/server/player.h

1 files changed, 905 insertions, 0 deletions

diff --git a/src/engine/client/graphics_threaded.cpp b/src/engine/client/graphics_threaded.cpp
new file mode 100644
index 00000000..b19e8a83
--- /dev/null
+++ b/src/engine/client/graphics_threaded.cpp
@@ -0,0 +1,905 @@
+/* (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.                */
+
+#include <base/detect.h>
+#include <base/math.h>
+#include <base/tl/threading.h>
+
+#include <base/system.h>
+#include <engine/external/pnglite/pnglite.h>
+
+#include <engine/shared/config.h>
+#include <engine/graphics.h>
+#include <engine/storage.h>
+#include <engine/keys.h>
+#include <engine/console.h>
+
+#include <math.h> // cosf, sinf
+
+#include "graphics_threaded.h"
+
+static CVideoMode g_aFakeModes[] = {
+	{320,240,8,8,8}, {400,300,8,8,8}, {640,480,8,8,8},
+	{720,400,8,8,8}, {768,576,8,8,8}, {800,600,8,8,8},
+	{1024,600,8,8,8}, {1024,768,8,8,8}, {1152,864,8,8,8},
+	{1280,768,8,8,8}, {1280,800,8,8,8}, {1280,960,8,8,8},
+	{1280,1024,8,8,8}, {1368,768,8,8,8}, {1400,1050,8,8,8},
+	{1440,900,8,8,8}, {1440,1050,8,8,8}, {1600,1000,8,8,8},
+	{1600,1200,8,8,8}, {1680,1050,8,8,8}, {1792,1344,8,8,8},
+	{1800,1440,8,8,8}, {1856,1392,8,8,8}, {1920,1080,8,8,8},
+	{1920,1200,8,8,8}, {1920,1440,8,8,8}, {1920,2400,8,8,8},
+	{2048,1536,8,8,8},
+
+	{320,240,5,6,5}, {400,300,5,6,5}, {640,480,5,6,5},
+	{720,400,5,6,5}, {768,576,5,6,5}, {800,600,5,6,5},
+	{1024,600,5,6,5}, {1024,768,5,6,5}, {1152,864,5,6,5},
+	{1280,768,5,6,5}, {1280,800,5,6,5}, {1280,960,5,6,5},
+	{1280,1024,5,6,5}, {1368,768,5,6,5}, {1400,1050,5,6,5},
+	{1440,900,5,6,5}, {1440,1050,5,6,5}, {1600,1000,5,6,5},
+	{1600,1200,5,6,5}, {1680,1050,5,6,5}, {1792,1344,5,6,5},
+	{1800,1440,5,6,5}, {1856,1392,5,6,5}, {1920,1080,5,6,5},
+	{1920,1200,5,6,5}, {1920,1440,5,6,5}, {1920,2400,5,6,5},
+	{2048,1536,5,6,5}
+};
+
+void CGraphics_Threaded::FlushVertices()
+{
+	if(m_NumVertices == 0)
+		return;
+
+	int NumVerts = m_NumVertices;
+	m_NumVertices = 0;
+
+	CCommandBuffer::SCommand_Render Cmd;
+	Cmd.m_State = m_State;
+
+	if(m_Drawing == DRAWING_QUADS)
+	{
+		Cmd.m_PrimType = CCommandBuffer::PRIMTYPE_QUADS;
+		Cmd.m_PrimCount = NumVerts/4;
+	}
+	else if(m_Drawing == DRAWING_LINES)
+	{
+		Cmd.m_PrimType = CCommandBuffer::PRIMTYPE_LINES;
+		Cmd.m_PrimCount = NumVerts/2;
+	}
+	else
+		return;
+
+	Cmd.m_pVertices = (CCommandBuffer::SVertex *)m_pCommandBuffer->AllocData(sizeof(CCommandBuffer::SVertex)*NumVerts);
+	if(Cmd.m_pVertices == 0x0)
+	{
+		// kick command buffer and try again
+		KickCommandBuffer();
+
+		Cmd.m_pVertices = (CCommandBuffer::SVertex *)m_pCommandBuffer->AllocData(sizeof(CCommandBuffer::SVertex)*NumVerts);
+		if(Cmd.m_pVertices == 0x0)
+		{
+			dbg_msg("graphics", "failed to allocate data for vertices");
+			return;
+		}
+	}
+
+	mem_copy(Cmd.m_pVertices, m_aVertices, sizeof(CCommandBuffer::SVertex)*NumVerts);
+	m_pCommandBuffer->AddCommand(Cmd);
+}
+
+void CGraphics_Threaded::AddVertices(int Count)
+{
+	m_NumVertices += Count;
+	if((m_NumVertices + Count) >= MAX_VERTICES)
+		FlushVertices();
+}
+
+void CGraphics_Threaded::Rotate4(const CCommandBuffer::SPoint &rCenter, CCommandBuffer::SVertex *pPoints)
+{
+	float c = cosf(m_Rotation);
+	float s = sinf(m_Rotation);
+	float x, y;
+	int i;
+
+	for(i = 0; i < 4; i++)
+	{
+		x = pPoints[i].m_Pos.x - rCenter.x;
+		y = pPoints[i].m_Pos.y - rCenter.y;
+		pPoints[i].m_Pos.x = x * c - y * s + rCenter.x;
+		pPoints[i].m_Pos.y = x * s + y * c + rCenter.y;
+	}
+}
+
+unsigned char CGraphics_Threaded::Sample(int w, int h, const unsigned char *pData, int u, int v, int Offset, int ScaleW, int ScaleH, int Bpp)
+{
+	int Value = 0;
+	for(int x = 0; x < ScaleW; x++)
+		for(int y = 0; y < ScaleH; y++)
+			Value += pData[((v+y)*w+(u+x))*Bpp+Offset];
+	return Value/(ScaleW*ScaleH);
+}
+
+unsigned char *CGraphics_Threaded::Rescale(int Width, int Height, int NewWidth, int NewHeight, int Format, const unsigned char *pData)
+{
+	unsigned char *pTmpData;
+	int ScaleW = Width/NewWidth;
+	int ScaleH = Height/NewHeight;
+
+	int Bpp = 3;
+	if(Format == CImageInfo::FORMAT_RGBA)
+		Bpp = 4;
+
+	pTmpData = (unsigned char *)mem_alloc(NewWidth*NewHeight*Bpp, 1);
+
+	int c = 0;
+	for(int y = 0; y < NewHeight; y++)
+		for(int x = 0; x < NewWidth; x++, c++)
+		{
+			pTmpData[c*Bpp] = Sample(Width, Height, pData, x*ScaleW, y*ScaleH, 0, ScaleW, ScaleH, Bpp);
+			pTmpData[c*Bpp+1] = Sample(Width, Height, pData, x*ScaleW, y*ScaleH, 1, ScaleW, ScaleH, Bpp);
+			pTmpData[c*Bpp+2] = Sample(Width, Height, pData, x*ScaleW, y*ScaleH, 2, ScaleW, ScaleH, Bpp);
+			if(Bpp == 4)
+				pTmpData[c*Bpp+3] = Sample(Width, Height, pData, x*ScaleW, y*ScaleH, 3, ScaleW, ScaleH, Bpp);
+		}
+
+	return pTmpData;
+}
+
+CGraphics_Threaded::CGraphics_Threaded()
+{
+	m_State.m_ScreenTL.x = 0;
+	m_State.m_ScreenTL.y = 0;
+	m_State.m_ScreenBR.x = 0;
+	m_State.m_ScreenBR.y = 0;
+	m_State.m_ClipEnable = false;
+	m_State.m_ClipX = 0;
+	m_State.m_ClipY = 0;
+	m_State.m_ClipW = 0;
+	m_State.m_ClipH = 0;
+	m_State.m_Texture = -1;
+	m_State.m_BlendMode = CCommandBuffer::BLEND_NONE;
+	m_State.m_WrapMode = CCommandBuffer::WRAP_REPEAT;
+
+	m_CurrentCommandBuffer = 0;
+	m_pCommandBuffer = 0x0;
+	m_apCommandBuffers[0] = 0x0;
+	m_apCommandBuffers[1] = 0x0;
+
+	m_NumVertices = 0;
+
+	m_ScreenWidth = -1;
+	m_ScreenHeight = -1;
+
+	m_Rotation = 0;
+	m_Drawing = 0;
+	m_InvalidTexture = 0;
+
+	m_TextureMemoryUsage = 0;
+
+	m_RenderEnable = true;
+	m_DoScreenshot = false;
+}
+
+void CGraphics_Threaded::ClipEnable(int x, int y, int w, int h)
+{
+	if(x < 0)
+		w += x;
+	if(y < 0)
+		h += y;
+
+	x = clamp(x, 0, ScreenWidth());
+	y = clamp(y, 0, ScreenHeight());
+	w = clamp(w, 0, ScreenWidth()-x);
+	h = clamp(h, 0, ScreenHeight()-y);
+
+	m_State.m_ClipEnable = true;
+	m_State.m_ClipX = x;
+	m_State.m_ClipY = ScreenHeight()-(y+h);
+	m_State.m_ClipW = w;
+	m_State.m_ClipH = h;
+}
+
+void CGraphics_Threaded::ClipDisable()
+{
+	m_State.m_ClipEnable = false;
+}
+
+void CGraphics_Threaded::BlendNone()
+{
+	m_State.m_BlendMode = CCommandBuffer::BLEND_NONE;
+}
+
+void CGraphics_Threaded::BlendNormal()
+{
+	m_State.m_BlendMode = CCommandBuffer::BLEND_ALPHA;
+}
+
+void CGraphics_Threaded::BlendAdditive()
+{
+	m_State.m_BlendMode = CCommandBuffer::BLEND_ADDITIVE;
+}
+
+void CGraphics_Threaded::WrapNormal()
+{
+	m_State.m_WrapMode = CCommandBuffer::WRAP_REPEAT;
+}
+
+void CGraphics_Threaded::WrapClamp()
+{
+	m_State.m_WrapMode = CCommandBuffer::WRAP_CLAMP;
+}
+
+int CGraphics_Threaded::MemoryUsage() const
+{
+	return m_TextureMemoryUsage;
+}
+
+void CGraphics_Threaded::MapScreen(float TopLeftX, float TopLeftY, float BottomRightX, float BottomRightY)
+{
+	m_State.m_ScreenTL.x = TopLeftX;
+	m_State.m_ScreenTL.y = TopLeftY;
+	m_State.m_ScreenBR.x = BottomRightX;
+	m_State.m_ScreenBR.y = BottomRightY;
+}
+
+void CGraphics_Threaded::GetScreen(float *pTopLeftX, float *pTopLeftY, float *pBottomRightX, float *pBottomRightY)
+{
+	*pTopLeftX = m_State.m_ScreenTL.x;
+	*pTopLeftY = m_State.m_ScreenTL.y;
+	*pBottomRightX = m_State.m_ScreenBR.x;
+	*pBottomRightY = m_State.m_ScreenBR.y;
+}
+
+void CGraphics_Threaded::LinesBegin()
+{
+	dbg_assert(m_Drawing == 0, "called Graphics()->LinesBegin twice");
+	m_Drawing = DRAWING_LINES;
+	SetColor(1,1,1,1);
+}
+
+void CGraphics_Threaded::LinesEnd()
+{
+	dbg_assert(m_Drawing == DRAWING_LINES, "called Graphics()->LinesEnd without begin");
+	FlushVertices();
+	m_Drawing = 0;
+}
+
+void CGraphics_Threaded::LinesDraw(const CLineItem *pArray, int Num)
+{
+	dbg_assert(m_Drawing == DRAWING_LINES, "called Graphics()->LinesDraw without begin");
+
+	for(int i = 0; i < Num; ++i)
+	{
+		m_aVertices[m_NumVertices + 2*i].m_Pos.x = pArray[i].m_X0;
+		m_aVertices[m_NumVertices + 2*i].m_Pos.y = pArray[i].m_Y0;
+		m_aVertices[m_NumVertices + 2*i].m_Tex = m_aTexture[0];
+		m_aVertices[m_NumVertices + 2*i].m_Color = m_aColor[0];
+
+		m_aVertices[m_NumVertices + 2*i + 1].m_Pos.x = pArray[i].m_X1;
+		m_aVertices[m_NumVertices + 2*i + 1].m_Pos.y = pArray[i].m_Y1;
+		m_aVertices[m_NumVertices + 2*i + 1].m_Tex = m_aTexture[1];
+		m_aVertices[m_NumVertices + 2*i + 1].m_Color = m_aColor[1];
+	}
+
+	AddVertices(2*Num);
+}
+
+int CGraphics_Threaded::UnloadTexture(int Index)
+{
+	if(Index == m_InvalidTexture)
+		return 0;
+
+	if(Index < 0)
+		return 0;
+
+	CCommandBuffer::SCommand_Texture_Destroy Cmd;
+	Cmd.m_Slot = Index;
+	m_pCommandBuffer->AddCommand(Cmd);
+
+	m_aTextures[Index].m_Next = m_FirstFreeTexture;
+	m_TextureMemoryUsage -= m_aTextures[Index].m_MemSize;
+	m_FirstFreeTexture = Index;
+	return 0;
+}
+
+static int ImageFormatToTexFormat(int Format)
+{
+	if(Format == CImageInfo::FORMAT_RGB) return CCommandBuffer::TEXFORMAT_RGB;
+	if(Format == CImageInfo::FORMAT_RGBA) return CCommandBuffer::TEXFORMAT_RGBA;
+	if(Format == CImageInfo::FORMAT_ALPHA) return CCommandBuffer::TEXFORMAT_ALPHA;
+	return CCommandBuffer::TEXFORMAT_RGBA;
+}
+
+
+int CGraphics_Threaded::LoadTextureRawSub(int TextureID, int x, int y, int Width, int Height, int Format, const void *pData)
+{
+	CCommandBuffer::SCommand_Texture_Update Cmd;
+	Cmd.m_Slot = TextureID;
+	Cmd.m_X = x;
+	Cmd.m_Y = y;
+	Cmd.m_Width = Width;
+	Cmd.m_Height = Height;
+	Cmd.m_Format = ImageFormatToTexFormat(Format);
+
+	// calculate memory usage
+	int PixelSize = 4;
+	if(Format == CImageInfo::FORMAT_RGB)
+		PixelSize = 3;
+	else if(Format == CImageInfo::FORMAT_ALPHA)
+		PixelSize = 1;
+
+	int MemSize = Width*Height*PixelSize;
+
+	// copy texture data
+	void *pTmpData = mem_alloc(MemSize, sizeof(void*));
+	mem_copy(pTmpData, pData, MemSize);
+	Cmd.m_pData = pTmpData;
+
+	//
+	m_pCommandBuffer->AddCommand(Cmd);
+	return 0;
+}
+
+int CGraphics_Threaded::LoadTextureRaw(int Width, int Height, int Format, const void *pData, int StoreFormat, int Flags)
+{
+	// don't waste memory on texture if we are stress testing
+	if(g_Config.m_DbgStress)
+		return m_InvalidTexture;
+
+	// grab texture
+	int Tex = m_FirstFreeTexture;
+	m_FirstFreeTexture = m_aTextures[Tex].m_Next;
+	m_aTextures[Tex].m_Next = -1;
+
+	CCommandBuffer::SCommand_Texture_Create Cmd;
+	Cmd.m_Slot = Tex;
+	Cmd.m_Width = Width;
+	Cmd.m_Height = Height;
+	Cmd.m_Format = ImageFormatToTexFormat(Format);
+	Cmd.m_StoreFormat = ImageFormatToTexFormat(StoreFormat);
+
+	// flags
+	Cmd.m_Flags = 0;
+	if(Flags&IGraphics::TEXLOAD_NOMIPMAPS)
+		Cmd.m_Flags |= CCommandBuffer::TEXFLAG_NOMIPMAPS;
+
+	// calculate memory usage
+	int PixelSize = 4;
+	if(Format == CImageInfo::FORMAT_RGB)
+		PixelSize = 3;
+	else if(Format == CImageInfo::FORMAT_ALPHA)
+		PixelSize = 1;
+
+	int MemSize = Width*Height*PixelSize;
+
+	// copy texture data
+	void *pTmpData = mem_alloc(MemSize, sizeof(void*));
+	mem_copy(pTmpData, pData, MemSize);
+	Cmd.m_pData = pTmpData;
+
+	//
+	m_pCommandBuffer->AddCommand(Cmd);
+
+	// calculate memory usage
+	int MemUsage = MemSize;
+	while(Width > 2 && Height > 2)
+	{
+		Width>>=1;
+		Height>>=1;
+		MemUsage += Width*Height*PixelSize;
+	}
+
+	m_TextureMemoryUsage += MemUsage;
+	//mem_free(pTmpData);
+	return Tex;
+}
+
+// simple uncompressed RGBA loaders
+int CGraphics_Threaded::LoadTexture(const char *pFilename, int StorageType, int StoreFormat, int Flags)
+{
+	int l = str_length(pFilename);
+	int ID;
+	CImageInfo Img;
+
+	if(l < 3)
+		return -1;
+	if(LoadPNG(&Img, pFilename, StorageType))
+	{
+		if (StoreFormat == CImageInfo::FORMAT_AUTO)
+			StoreFormat = Img.m_Format;
+
+		ID = LoadTextureRaw(Img.m_Width, Img.m_Height, Img.m_Format, Img.m_pData, StoreFormat, Flags);
+		mem_free(Img.m_pData);
+		if(ID != m_InvalidTexture && g_Config.m_Debug)
+			dbg_msg("graphics/texture", "loaded %s", pFilename);
+		return ID;
+	}
+
+	return m_InvalidTexture;
+}
+
+int CGraphics_Threaded::LoadPNG(CImageInfo *pImg, const char *pFilename, int StorageType)
+{
+	char aCompleteFilename[512];
+	unsigned char *pBuffer;
+	png_t Png; // ignore_convention
+
+	// open file for reading
+	png_init(0,0); // ignore_convention
+
+	IOHANDLE File = m_pStorage->OpenFile(pFilename, IOFLAG_READ, StorageType, aCompleteFilename, sizeof(aCompleteFilename));
+	if(File)
+		io_close(File);
+	else
+	{
+		dbg_msg("game/png", "failed to open file. filename='%s'", pFilename);
+		return 0;
+	}
+
+	int Error = png_open_file(&Png, aCompleteFilename); // ignore_convention
+	if(Error != PNG_NO_ERROR)
+	{
+		dbg_msg("game/png", "failed to open file. filename='%s'", aCompleteFilename);
+		if(Error != PNG_FILE_ERROR)
+			png_close_file(&Png); // ignore_convention
+		return 0;
+	}
+
+	if(Png.depth != 8 || (Png.color_type != PNG_TRUECOLOR && Png.color_type != PNG_TRUECOLOR_ALPHA)) // ignore_convention
+	{
+		dbg_msg("game/png", "invalid format. filename='%s'", aCompleteFilename);
+		png_close_file(&Png); // ignore_convention
+		return 0;
+	}
+
+	pBuffer = (unsigned char *)mem_alloc(Png.width * Png.height * Png.bpp, 1); // ignore_convention
+	png_get_data(&Png, pBuffer); // ignore_convention
+	png_close_file(&Png); // ignore_convention
+
+	pImg->m_Width = Png.width; // ignore_convention
+	pImg->m_Height = Png.height; // ignore_convention
+	if(Png.color_type == PNG_TRUECOLOR) // ignore_convention
+		pImg->m_Format = CImageInfo::FORMAT_RGB;
+	else if(Png.color_type == PNG_TRUECOLOR_ALPHA) // ignore_convention
+		pImg->m_Format = CImageInfo::FORMAT_RGBA;
+	pImg->m_pData = pBuffer;
+	return 1;
+}
+
+void CGraphics_Threaded::KickCommandBuffer()
+{
+	m_pBackend->RunBuffer(m_pCommandBuffer);
+
+	// swap buffer
+	m_CurrentCommandBuffer ^= 1;
+	m_pCommandBuffer = m_apCommandBuffers[m_CurrentCommandBuffer];
+	m_pCommandBuffer->Reset();
+}
+
+void CGraphics_Threaded::ScreenshotDirect(const char *pFilename)
+{
+	// add swap command
+	CImageInfo Image;
+	mem_zero(&Image, sizeof(Image));
+
+	CCommandBuffer::SCommand_Screenshot Cmd;
+	Cmd.m_pImage = &Image;
+	m_pCommandBuffer->AddCommand(Cmd);
+
+	// kick the buffer and wait for the result
+	KickCommandBuffer();
+	WaitForIdle();
+
+	if(Image.m_pData)
+	{
+		// find filename
+		char aWholePath[1024];
+		png_t Png; // ignore_convention
+
+		IOHANDLE File = m_pStorage->OpenFile(pFilename, IOFLAG_WRITE, IStorage::TYPE_SAVE, aWholePath, sizeof(aWholePath));
+		if(File)
+			io_close(File);
+
+		// save png
+		char aBuf[256];
+		str_format(aBuf, sizeof(aBuf), "saved screenshot to '%s'", aWholePath);
+		m_pConsole->Print(IConsole::OUTPUT_LEVEL_STANDARD, "client", aBuf);
+		png_open_file_write(&Png, aWholePath); // ignore_convention
+		png_set_data(&Png, Image.m_Width, Image.m_Height, 8, PNG_TRUECOLOR, (unsigned char *)Image.m_pData); // ignore_convention
+		png_close_file(&Png); // ignore_convention
+
+		mem_free(Image.m_pData);
+	}
+}
+
+void CGraphics_Threaded::TextureSet(int TextureID)
+{
+	dbg_assert(m_Drawing == 0, "called Graphics()->TextureSet within begin");
+	m_State.m_Texture = TextureID;
+}
+
+void CGraphics_Threaded::Clear(float r, float g, float b)
+{
+	CCommandBuffer::SCommand_Clear Cmd;
+	Cmd.m_Color.r = r;
+	Cmd.m_Color.g = g;
+	Cmd.m_Color.b = b;
+	Cmd.m_Color.a = 0;
+	m_pCommandBuffer->AddCommand(Cmd);
+}
+
+void CGraphics_Threaded::QuadsBegin()
+{
+	dbg_assert(m_Drawing == 0, "called Graphics()->QuadsBegin twice");
+	m_Drawing = DRAWING_QUADS;
+
+	QuadsSetSubset(0,0,1,1);
+	QuadsSetRotation(0);
+	SetColor(1,1,1,1);
+}
+
+void CGraphics_Threaded::QuadsEnd()
+{
+	dbg_assert(m_Drawing == DRAWING_QUADS, "called Graphics()->QuadsEnd without begin");
+	FlushVertices();
+	m_Drawing = 0;
+}
+
+void CGraphics_Threaded::QuadsSetRotation(float Angle)
+{
+	dbg_assert(m_Drawing == DRAWING_QUADS, "called Graphics()->QuadsSetRotation without begin");
+	m_Rotation = Angle;
+}
+
+void CGraphics_Threaded::SetColorVertex(const CColorVertex *pArray, int Num)
+{
+	dbg_assert(m_Drawing != 0, "called Graphics()->SetColorVertex without begin");
+
+	for(int i = 0; i < Num; ++i)
+	{
+		m_aColor[pArray[i].m_Index].r = pArray[i].m_R;
+		m_aColor[pArray[i].m_Index].g = pArray[i].m_G;
+		m_aColor[pArray[i].m_Index].b = pArray[i].m_B;
+		m_aColor[pArray[i].m_Index].a = pArray[i].m_A;
+	}
+}
+
+void CGraphics_Threaded::SetColor(float r, float g, float b, float a)
+{
+	dbg_assert(m_Drawing != 0, "called Graphics()->SetColor without begin");
+	CColorVertex Array[4] = {
+		CColorVertex(0, r, g, b, a),
+		CColorVertex(1, r, g, b, a),
+		CColorVertex(2, r, g, b, a),
+		CColorVertex(3, r, g, b, a)};
+	SetColorVertex(Array, 4);
+}
+
+void CGraphics_Threaded::QuadsSetSubset(float TlU, float TlV, float BrU, float BrV)
+{
+	dbg_assert(m_Drawing == DRAWING_QUADS, "called Graphics()->QuadsSetSubset without begin");
+
+	m_aTexture[0].u = TlU;	m_aTexture[1].u = BrU;
+	m_aTexture[0].v = TlV;	m_aTexture[1].v = TlV;
+
+	m_aTexture[3].u = TlU;	m_aTexture[2].u = BrU;
+	m_aTexture[3].v = BrV;	m_aTexture[2].v = BrV;
+}
+
+void CGraphics_Threaded::QuadsSetSubsetFree(
+	float x0, float y0, float x1, float y1,
+	float x2, float y2, float x3, float y3)
+{
+	m_aTexture[0].u = x0; m_aTexture[0].v = y0;
+	m_aTexture[1].u = x1; m_aTexture[1].v = y1;
+	m_aTexture[2].u = x2; m_aTexture[2].v = y2;
+	m_aTexture[3].u = x3; m_aTexture[3].v = y3;
+}
+
+void CGraphics_Threaded::QuadsDraw(CQuadItem *pArray, int Num)
+{
+	for(int i = 0; i < Num; ++i)
+	{
+		pArray[i].m_X -= pArray[i].m_Width/2;
+		pArray[i].m_Y -= pArray[i].m_Height/2;
+	}
+
+	QuadsDrawTL(pArray, Num);
+}
+
+void CGraphics_Threaded::QuadsDrawTL(const CQuadItem *pArray, int Num)
+{
+	CCommandBuffer::SPoint Center;
+	Center.z = 0;
+
+	dbg_assert(m_Drawing == DRAWING_QUADS, "called Graphics()->QuadsDrawTL without begin");
+
+	for(int i = 0; i < Num; ++i)
+	{
+		m_aVertices[m_NumVertices + 4*i].m_Pos.x = pArray[i].m_X;
+		m_aVertices[m_NumVertices + 4*i].m_Pos.y = pArray[i].m_Y;
+		m_aVertices[m_NumVertices + 4*i].m_Tex = m_aTexture[0];
+		m_aVertices[m_NumVertices + 4*i].m_Color = m_aColor[0];
+
+		m_aVertices[m_NumVertices + 4*i + 1].m_Pos.x = pArray[i].m_X + pArray[i].m_Width;
+		m_aVertices[m_NumVertices + 4*i + 1].m_Pos.y = pArray[i].m_Y;
+		m_aVertices[m_NumVertices + 4*i + 1].m_Tex = m_aTexture[1];
+		m_aVertices[m_NumVertices + 4*i + 1].m_Color = m_aColor[1];
+
+		m_aVertices[m_NumVertices + 4*i + 2].m_Pos.x = pArray[i].m_X + pArray[i].m_Width;
+		m_aVertices[m_NumVertices + 4*i + 2].m_Pos.y = pArray[i].m_Y + pArray[i].m_Height;
+		m_aVertices[m_NumVertices + 4*i + 2].m_Tex = m_aTexture[2];
+		m_aVertices[m_NumVertices + 4*i + 2].m_Color = m_aColor[2];
+
+		m_aVertices[m_NumVertices + 4*i + 3].m_Pos.x = pArray[i].m_X;
+		m_aVertices[m_NumVertices + 4*i + 3].m_Pos.y = pArray[i].m_Y + pArray[i].m_Height;
+		m_aVertices[m_NumVertices + 4*i + 3].m_Tex = m_aTexture[3];
+		m_aVertices[m_NumVertices + 4*i + 3].m_Color = m_aColor[3];
+
+		if(m_Rotation != 0)
+		{
+			Center.x = pArray[i].m_X + pArray[i].m_Width/2;
+			Center.y = pArray[i].m_Y + pArray[i].m_Height/2;
+
+			Rotate4(Center, &m_aVertices[m_NumVertices + 4*i]);
+		}
+	}
+
+	AddVertices(4*Num);
+}
+
+void CGraphics_Threaded::QuadsDrawFreeform(const CFreeformItem *pArray, int Num)
+{
+	dbg_assert(m_Drawing == DRAWING_QUADS, "called Graphics()->QuadsDrawFreeform without begin");
+
+	for(int i = 0; i < Num; ++i)
+	{
+		m_aVertices[m_NumVertices + 4*i].m_Pos.x = pArray[i].m_X0;
+		m_aVertices[m_NumVertices + 4*i].m_Pos.y = pArray[i].m_Y0;
+		m_aVertices[m_NumVertices + 4*i].m_Tex = m_aTexture[0];
+		m_aVertices[m_NumVertices + 4*i].m_Color = m_aColor[0];
+
+		m_aVertices[m_NumVertices + 4*i + 1].m_Pos.x = pArray[i].m_X1;
+		m_aVertices[m_NumVertices + 4*i + 1].m_Pos.y = pArray[i].m_Y1;
+		m_aVertices[m_NumVertices + 4*i + 1].m_Tex = m_aTexture[1];
+		m_aVertices[m_NumVertices + 4*i + 1].m_Color = m_aColor[1];
+
+		m_aVertices[m_NumVertices + 4*i + 2].m_Pos.x = pArray[i].m_X3;
+		m_aVertices[m_NumVertices + 4*i + 2].m_Pos.y = pArray[i].m_Y3;
+		m_aVertices[m_NumVertices + 4*i + 2].m_Tex = m_aTexture[3];
+		m_aVertices[m_NumVertices + 4*i + 2].m_Color = m_aColor[3];
+
+		m_aVertices[m_NumVertices + 4*i + 3].m_Pos.x = pArray[i].m_X2;
+		m_aVertices[m_NumVertices + 4*i + 3].m_Pos.y = pArray[i].m_Y2;
+		m_aVertices[m_NumVertices + 4*i + 3].m_Tex = m_aTexture[2];
+		m_aVertices[m_NumVertices + 4*i + 3].m_Color = m_aColor[2];
+	}
+
+	AddVertices(4*Num);
+}
+
+void CGraphics_Threaded::QuadsText(float x, float y, float Size, float r, float g, float b, float a, const char *pText)
+{
+	float StartX = x;
+
+	QuadsBegin();
+	SetColor(r,g,b,a);
+
+	while(*pText)
+	{
+		char c = *pText;
+		pText++;
+
+		if(c == '\n')
+		{
+			x = StartX;
+			y += Size;
+		}
+		else
+		{
+			QuadsSetSubset(
+				(c%16)/16.0f,
+				(c/16)/16.0f,
+				(c%16)/16.0f+1.0f/16.0f,
+				(c/16)/16.0f+1.0f/16.0f);
+
+			CQuadItem QuadItem(x, y, Size, Size);
+			QuadsDrawTL(&QuadItem, 1);
+			x += Size/2;
+		}
+	}
+
+	QuadsEnd();
+}
+
+int CGraphics_Threaded::IssueInit()
+{
+	int Flags = 0;
+	if(g_Config.m_GfxFullscreen) Flags |= IGraphicsBackend::INITFLAG_FULLSCREEN;
+	if(g_Config.m_GfxVsync) Flags |= IGraphicsBackend::INITFLAG_VSYNC;
+	if(g_Config.m_DbgResizable) Flags |= IGraphicsBackend::INITFLAG_RESIZABLE;
+
+	return m_pBackend->Init("Teeworlds", g_Config.m_GfxScreenWidth, g_Config.m_GfxScreenHeight, g_Config.m_GfxFsaaSamples, Flags);
+}
+
+int CGraphics_Threaded::InitWindow()
+{
+	if(IssueInit() == 0)
+		return 0;
+
+	// try disabling fsaa
+	while(g_Config.m_GfxFsaaSamples)
+	{
+		g_Config.m_GfxFsaaSamples--;
+
+		if(g_Config.m_GfxFsaaSamples)
+			dbg_msg("gfx", "lowering FSAA to %d and trying again", g_Config.m_GfxFsaaSamples);
+		else
+			dbg_msg("gfx", "disabling FSAA and trying again");
+
+		if(IssueInit() == 0)
+			return 0;
+	}
+
+	// try lowering the resolution
+	if(g_Config.m_GfxScreenWidth != 640 || g_Config.m_GfxScreenHeight != 480)
+	{
+		dbg_msg("gfx", "setting resolution to 640x480 and trying again");
+		g_Config.m_GfxScreenWidth = 640;
+		g_Config.m_GfxScreenHeight = 480;
+
+		if(IssueInit() == 0)
+			return 0;
+	}
+
+	dbg_msg("gfx", "out of ideas. failed to init graphics");
+
+	return -1;
+}
+
+int CGraphics_Threaded::Init()
+{
+	// fetch pointers
+	m_pStorage = Kernel()->RequestInterface<IStorage>();
+	m_pConsole = Kernel()->RequestInterface<IConsole>();
+
+	// Set all z to -5.0f
+	for(int i = 0; i < MAX_VERTICES; i++)
+		m_aVertices[i].m_Pos.z = -5.0f;
+
+	// init textures
+	m_FirstFreeTexture = 0;
+	for(int i = 0; i < MAX_TEXTURES; i++)
+		m_aTextures[i].m_Next = i+1;
+	m_aTextures[MAX_TEXTURES-1].m_Next = -1;
+
+	m_pBackend = CreateGraphicsBackend();
+	if(InitWindow() != 0)
+		return -1;
+
+	// fetch final resolusion
+	m_ScreenWidth = g_Config.m_GfxScreenWidth;
+	m_ScreenHeight = g_Config.m_GfxScreenHeight;
+
+	// create command buffers
+	for(int i = 0; i < NUM_CMDBUFFERS; i++)
+		m_apCommandBuffers[i] = new CCommandBuffer(128*1024, 2*1024*1024);
+	m_pCommandBuffer = m_apCommandBuffers[0];
+
+	// create null texture, will get id=0
+	static const unsigned char aNullTextureData[] = {
+		0xff,0x00,0x00,0xff, 0xff,0x00,0x00,0xff, 0x00,0xff,0x00,0xff, 0x00,0xff,0x00,0xff,
+		0xff,0x00,0x00,0xff, 0xff,0x00,0x00,0xff, 0x00,0xff,0x00,0xff, 0x00,0xff,0x00,0xff,
+		0x00,0x00,0xff,0xff, 0x00,0x00,0xff,0xff, 0xff,0xff,0x00,0xff, 0xff,0xff,0x00,0xff,
+		0x00,0x00,0xff,0xff, 0x00,0x00,0xff,0xff, 0xff,0xff,0x00,0xff, 0xff,0xff,0x00,0xff,
+	};
+
+	m_InvalidTexture = LoadTextureRaw(4,4,CImageInfo::FORMAT_RGBA,aNullTextureData,CImageInfo::FORMAT_RGBA,TEXLOAD_NORESAMPLE);
+	return 0;
+}
+
+void CGraphics_Threaded::Shutdown()
+{
+	// shutdown the backend
+	m_pBackend->Shutdown();
+	delete m_pBackend;
+	m_pBackend = 0x0;
+
+	// delete the command buffers
+	for(int i = 0; i < NUM_CMDBUFFERS; i++)
+		delete m_apCommandBuffers[i];
+}
+
+void CGraphics_Threaded::Minimize()
+{
+	m_pBackend->Minimize();
+}
+
+void CGraphics_Threaded::Maximize()
+{
+	// TODO: SDL
+	m_pBackend->Maximize();
+}
+
+int CGraphics_Threaded::WindowActive()
+{
+	return m_pBackend->WindowActive();
+}
+
+int CGraphics_Threaded::WindowOpen()
+{
+	return m_pBackend->WindowOpen();
+
+}
+
+void CGraphics_Threaded::TakeScreenshot(const char *pFilename)
+{
+	// TODO: screenshot support
+	char aDate[20];
+	str_timestamp(aDate, sizeof(aDate));
+	str_format(m_aScreenshotName, sizeof(m_aScreenshotName), "screenshots/%s_%s.png", pFilename?pFilename:"screenshot", aDate);
+	m_DoScreenshot = true;
+}
+
+void CGraphics_Threaded::Swap()
+{
+	// TODO: screenshot support
+	if(m_DoScreenshot)
+	{
+		ScreenshotDirect(m_aScreenshotName);
+		m_DoScreenshot = false;
+	}
+
+	// add swap command
+	CCommandBuffer::SCommand_Swap Cmd;
+	Cmd.m_Finish = g_Config.m_GfxFinish;
+	m_pCommandBuffer->AddCommand(Cmd);
+
+	// kick the command buffer
+	KickCommandBuffer();
+}
+
+// syncronization
+void CGraphics_Threaded::InsertSignal(semaphore *pSemaphore)
+{
+	CCommandBuffer::SCommand_Signal Cmd;
+	Cmd.m_pSemaphore = pSemaphore;
+	m_pCommandBuffer->AddCommand(Cmd);
+}
+
+bool CGraphics_Threaded::IsIdle()
+{
+	return m_pBackend->IsIdle();
+}
+
+void CGraphics_Threaded::WaitForIdle()
+{
+	m_pBackend->WaitForIdle();
+}
+
+int CGraphics_Threaded::GetVideoModes(CVideoMode *pModes, int MaxModes)
+{
+	if(g_Config.m_GfxDisplayAllModes)
+	{
+		int Count = sizeof(g_aFakeModes)/sizeof(CVideoMode);
+		mem_copy(pModes, g_aFakeModes, sizeof(g_aFakeModes));
+		if(MaxModes < Count)
+			Count = MaxModes;
+		return Count;
+	}
+
+	// add videomodes command
+	CImageInfo Image;
+	mem_zero(&Image, sizeof(Image));
+
+	int NumModes = 0;
+	CCommandBuffer::SCommand_VideoModes Cmd;
+	Cmd.m_pModes = pModes;
+	Cmd.m_MaxModes = MaxModes;
+	Cmd.m_pNumModes = &NumModes;
+	m_pCommandBuffer->AddCommand(Cmd);
+
+	// kick the buffer and wait for the result and return it
+	KickCommandBuffer();
+	WaitForIdle();
+	return NumModes;
+}
+
+extern IEngineGraphics *CreateEngineGraphicsThreaded() { return new CGraphics_Threaded(); }