virtual C4Surface* LoadTexture(const char* filename)
{
if (!Group.AccessEntry(filename)) return NULL;
C4Surface* surface = new C4Surface;
// Suppress error message here, StdMeshMaterial loader
// will show one.
if (!surface->Read(Group, GetExtension(filename), C4SF_MipMap))
{ delete surface; surface = NULL; }
return surface;
}
bool C4FacetExSurface::CopyFromSfcMaxSize(C4Surface &srcSfc, int32_t iMaxSize,
uint32_t dwColor) {
// safety
if (!srcSfc.Wdt || !srcSfc.Hgt) return false;
Clear();
// no scale?
bool fNeedsScale = !(srcSfc.Wdt <= iMaxSize && srcSfc.Hgt <= iMaxSize);
if (!fNeedsScale && !dwColor) {
// no change necessary; just copy then
Face.Copy(srcSfc);
} else {
// must scale down or colorize. Just blit.
C4Facet fctSource;
fctSource.Set(&srcSfc, 0, 0, srcSfc.Wdt, srcSfc.Hgt);
int32_t iTargetWdt, iTargetHgt;
if (fNeedsScale) {
if (fctSource.Wdt > fctSource.Hgt) {
iTargetWdt = iMaxSize;
iTargetHgt = fctSource.Hgt * iTargetWdt / fctSource.Wdt;
} else {
iTargetHgt = iMaxSize;
iTargetWdt = fctSource.Wdt * iTargetHgt / fctSource.Hgt;
}
} else {
iTargetWdt = fctSource.Wdt;
iTargetHgt = fctSource.Hgt;
}
if (dwColor) srcSfc.SetClr(dwColor);
Create(iTargetWdt, iTargetHgt);
lpDDraw->Blit(&srcSfc, 0.0f, 0.0f, float(fctSource.Wdt),
float(fctSource.Hgt), &Face, 0, 0, iTargetWdt, iTargetHgt);
}
Set(&Face, 0, 0, Face.Wdt, Face.Hgt);
return true;
}
bool C4GraphicsResource::LoadFile(C4Surface& sfc, const char *szName, C4GroupSet &rGfxSet, int32_t &ridCurrSfc, int iFlags)
{
// find
char FileName[_MAX_FNAME]; int32_t ID = 0;
C4Group *pGrp = FindSuitableFile(szName, rGfxSet, FileName, &ID);
if (!pGrp)
{
LogF(LoadResStr("IDS_PRC_NOGFXFILE"), szName, LoadResStr("IDS_PRC_FILENOTFOUND"));
return false;
}
// check group
if (ID == ridCurrSfc)
// already up-to-date
return true;
// load
if (!sfc.Load(*pGrp, FileName, false, false, iFlags))
{
LogF(LoadResStr("IDS_PRC_NOGFXFILE"), FileName, LoadResStr("IDS_ERR_NOFILE"));
return false;
}
ridCurrSfc = ID;
Game.SetInitProgress(ProgressStart);
ProgressStart += ProgressIncrement;
return true;
}
bool C4LandscapeRenderGL::InitMaterialTexture(C4TextureMap *pTexs)
{
// Populate our map with all needed textures
MaterialTextureMap.push_back(StdCopyStrBuf(""));
AddTexturesFromMap(pTexs);
// Determine depth to use
iMaterialTextureDepth = 2*MaterialTextureMap.size();
int32_t iNormalDepth = iMaterialTextureDepth / 2;
// Find the largest texture
C4Texture *pTex; C4Surface *pRefSfc = NULL;
for(int iTexIx = 0; (pTex = pTexs->GetTexture(pTexs->GetTexture(iTexIx))); iTexIx++)
if(C4Surface *pSfc = pTex->Surface32)
if (!pRefSfc || pRefSfc->Wdt < pSfc->Wdt || pRefSfc->Hgt < pSfc->Hgt)
pRefSfc = pSfc;
if(!pRefSfc)
return false;
// Get size for our textures. We might be limited by hardware
int iTexWdt = pRefSfc->Wdt, iTexHgt = pRefSfc->Hgt;
GLint iMaxTexSize, iMaxTexLayers;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &iMaxTexSize);
glGetIntegerv(GL_MAX_ARRAY_TEXTURE_LAYERS, &iMaxTexLayers);
if (iTexWdt > iMaxTexSize || iTexHgt > iMaxTexSize)
{
iTexWdt = std::min(iTexWdt, iMaxTexSize);
iTexHgt = std::min(iTexHgt, iMaxTexSize);
LogF(" gl: Material textures too large, GPU only supports %dx%d! Cropping might occur!", iMaxTexSize, iMaxTexSize);
}
if(iMaterialTextureDepth >= iMaxTexLayers)
{
LogF(" gl: Too many material textures! GPU only supports 3D texture depth of %d!", iMaxTexSize);
return false;
}
iMaterialWidth = iTexWdt;
iMaterialHeight = iTexHgt;
// Compose together data of all textures
const int iTexSize = iTexWdt * iTexHgt * C4Draw::COLOR_DEPTH_BYTES;
const int iSize = iTexSize * iMaterialTextureDepth;
BYTE *pData = new BYTE [iSize];
for(int i = 0; i < iMaterialTextureDepth; i++)
{
BYTE *p = pData + i * iTexSize;
// Get texture at position
StdStrBuf Texture;
bool fNormal = i >= iNormalDepth;
if(i < int32_t(MaterialTextureMap.size()))
Texture.Ref(MaterialTextureMap[i]);
else if(fNormal && i < iNormalDepth + int32_t(MaterialTextureMap.size()))
Texture.Format("%s_NRM", MaterialTextureMap[i-iNormalDepth].getData());
// Try to find the texture
C4Texture *pTex; C4Surface *pSurface;
if((pTex = pTexs->GetTexture(Texture.getData())) && (pSurface = pTex->Surface32))
{
#ifdef DEBUG_SOLID_COLOR_TEXTURES
// Just write a solid color that depends on the texture index
DWORD *texdata = reinterpret_cast<DWORD *>(p);
for (int y = 0; y < iTexHgt; ++y)
for (int x = 0; x < iTexWdt; ++x)
*texdata++ = RGBA((iTex & 48), (iTex & 3) * 16, (i & 12) * 4, 255);
continue;
#else
// Size recheck. It's fine if this texture's size is a divisor
// of the maximum texture size, because then we can just tile
// the smaller texture.
if(pSurface->Wdt != iTexWdt || pSurface->Hgt != iTexHgt)
if (iTexWdt % pSurface->Wdt != 0 || iTexHgt % pSurface->Hgt != 0)
LogF(" gl: texture %s size mismatch (%dx%d vs %dx%d)!", Texture.getData(), pSurface->Wdt, pSurface->Hgt, iTexWdt, iTexHgt);
// Copy bytes
DWORD *texdata = reinterpret_cast<DWORD *>(p);
pSurface->Lock();
for (int y = 0; y < iTexHgt; ++y)
for (int x = 0; x < iTexWdt; ++x)
*texdata++ = pSurface->GetPixDw(x % pSurface->Wdt, y % pSurface->Hgt, false);
pSurface->Unlock();
continue;
#endif
}
// Seperator texture?
if(SEqual(Texture.getData(), SEPERATOR_TEXTURE))
{
// Make some ugly stripes
DWORD *texdata = reinterpret_cast<DWORD *>(p);
for (int y = 0; y < iTexHgt; ++y)
for (int x = 0; x < iTexWdt; ++x)
*texdata++ = ((x + y) % 32 < 16 ? RGBA(255, 0, 0, 255) : RGBA(0, 255, 255, 255));
continue;
}
// If we didn't "continue" yet, we haven't written the texture yet.
// Make color texture transparent, and normal texture flat.
if (fNormal)
{
DWORD *texdata = reinterpret_cast<DWORD *>(p);
for (int y = 0; y < iTexHgt; ++y)
for (int x = 0; x < iTexWdt; ++x)
*texdata++ = RGBA(127, 127, 255, 255);
}
else
memset(p, 0, iTexSize);
}
// Clear error error(s?)
while(glGetError()) {}
// Alloc 1D matmap texture
glGenTextures(1, &matMapTexture);
// Alloc 2D texture array
glGenTextures(1, &hMaterialTexture);
// Generate textures
int iSizeSum = 0;
// Select texture
glBindTexture(GL_TEXTURE_2D_ARRAY, hMaterialTexture);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
// We fully expect to tile these
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
// Make it happen!
glTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_RGBA, iTexWdt, iTexHgt, iMaterialTextureDepth, 0, GL_BGRA,
GL_UNSIGNED_INT_8_8_8_8_REV,
pData);
glGenerateMipmap(GL_TEXTURE_2D_ARRAY);
// Statistics
iSizeSum += iTexWdt * iTexHgt * iMaterialTextureDepth * C4Draw::COLOR_DEPTH_BYTES;
// Dispose of data
delete [] pData;
// Check whether we were successful
if(int err = glGetError())
{
LogF(" gl: Could not load textures (error %d)", err);
return false;
}
// Announce the good news
LogF(" gl: Texturing uses %d slots at %dx%d (%d MB total)",
static_cast<int>(MaterialTextureMap.size()),
iMaterialWidth, iMaterialHeight,
iSizeSum / 1000000);
return true;
}
bool C4FontLoader::InitFont(CStdFont &rFont, const char *szFontName, FontType eType, int32_t iSize, C4GroupSet *pGfxGroups, bool fDoShadow)
{
// safety
if (!szFontName || !*szFontName)
{
LogFatal(LoadResStr("IDS_ERR_INITFONTS"));
return false;
}
// get font to load
// pFontDefs may be NULL if no fonts are loaded; but then iFontDefCount is zero as well
// the function must not be aborted, because a standard windows font may be loaded
std::vector<C4FontDef>::iterator pFontDefC = FontDefs.begin(), pFontDef = FontDefs.end();
while (pFontDefC != FontDefs.end())
{
// check font
if (pFontDefC->Name == szFontName)
{
int32_t iSizeDiff = Abs(pFontDefC->iSize - iSize);
// better match than last font?
if (pFontDef == FontDefs.end() || Abs(pFontDef->iSize - iSize) >= iSizeDiff)
pFontDef = pFontDefC;
}
// check next one
++pFontDefC;
}
// if def has not been found, use the def as font name
// determine font def string
const char *szFontString = szFontName;
// special: Fonts without shadow are always newly rendered
if (!fDoShadow) { pFontDef=FontDefs.end(); }
if (pFontDef!=FontDefs.end()) switch (eType)
{
case C4FT_Log: szFontString = pFontDef->LogFont.getData(); break;
case C4FT_MainSmall:szFontString = pFontDef->SmallFont.getData(); break;
case C4FT_Main: szFontString = pFontDef->Font.getData(); break;
case C4FT_Caption: szFontString = pFontDef->CaptionFont.getData(); break;
case C4FT_Title: szFontString = pFontDef->TitleFont.getData(); break;
default: LogFatal(LoadResStr("IDS_ERR_INITFONTS")); return false; // invalid call
}
// font not assigned?
if (!*szFontString)
{
// invalid call or spec
LogFatal(LoadResStr("IDS_ERR_INITFONTS")); return false;
}
// get font name
char FontFaceName[C4MaxName+1], FontParam[C4MaxName+1];
SCopyUntil(szFontString, FontFaceName, ',', C4MaxName);
// is it an image file?
const char *szExt = GetExtension(FontFaceName);
if (SEqualNoCase(szExt, "png") || SEqualNoCase(szExt, "bmp"))
{
// image file name: load bitmap font from image file
// if no graphics group is given, do not load yet
if (!pGfxGroups)
{
LogFatal(LoadResStr("IDS_ERR_INITFONTS"));
return false;
}
// indent given?
int32_t iIndent = 0;
if (SCopySegment(szFontString, 1, FontParam, ',', C4MaxName))
sscanf(FontParam, "%i", &iIndent);
// load font face from gfx group
int32_t iGrpId;
C4Group *pGrp = pGfxGroups->FindEntry(FontFaceName, NULL, &iGrpId);
if (!pGrp)
{
LogFatal(LoadResStr("IDS_ERR_INITFONTS"));
return false;
}
// check if it's already loaded from that group with that parameters
if (!rFont.IsSameAsID(FontFaceName, iGrpId, iIndent))
{
// it's not; so (re-)load it now!
if (rFont.IsInitialized())
{
// reloading
rFont.Clear();
LogF(LoadResStr("IDS_PRC_UPDATEFONT"), FontFaceName, iIndent, 0);
}
C4Surface sfc;
if (!sfc.Load(*pGrp, FontFaceName))
{
LogFatal(LoadResStr("IDS_ERR_INITFONTS"));
return false;
}
// init font from face
try
{
rFont.Init(GetFilenameOnly(FontFaceName), &sfc, iIndent);
}
catch (std::runtime_error & e)
{
LogFatal(e.what());
LogFatal(LoadResStr("IDS_ERR_INITFONTS"));
return false;
}
rFont.id = iGrpId;
}
}
else
{
int32_t iDefFontSize; DWORD dwDefWeight=FW_NORMAL;
#if defined(_WIN32) && !defined(HAVE_FREETYPE)
switch (eType)
{
case C4FT_Log: iDefFontSize = 8; break;
case C4FT_MainSmall:iDefFontSize = iSize+1; break;
case C4FT_Main: iDefFontSize = iSize+4; break;
case C4FT_Caption: iDefFontSize = iSize+6; dwDefWeight = FW_BOLD; break;
case C4FT_Title: iDefFontSize = iSize*3; break;
default: LogFatal(LoadResStr("IDS_ERR_INITFONTS")); return false; // invalid call
}
#else
switch (eType)
{
case C4FT_Log: iDefFontSize = iSize*12/14; break;
case C4FT_MainSmall:iDefFontSize = iSize*13/14; break;
case C4FT_Main: iDefFontSize = iSize; break;
case C4FT_Caption: iDefFontSize = iSize*16/14; /*dwDefWeight = FW_MEDIUM;*/ break;
case C4FT_Title: iDefFontSize = iSize*22/14; /*dwDefWeight = FW_MEDIUM;*/ break;
default: LogFatal(LoadResStr("IDS_ERR_INITFONTS")); return false; // invalid call
}
#endif
// regular font name: let WinGDI or Freetype draw a font with the given parameters
// font size given?
if (SCopySegment(szFontString, 1, FontParam, ',', C4MaxName))
sscanf(FontParam, "%i", &iDefFontSize);
// font weight given?
if (SCopySegment(szFontString, 2, FontParam, ',', C4MaxName))
sscanf(FontParam, "%i", &dwDefWeight);
// check if it's already loaded from that group with that parameters
if (!rFont.IsSameAs(FontFaceName, iDefFontSize, dwDefWeight))
{
// it's not; so (re-)load it now!
if (rFont.IsInitialized())
{
// reloading
rFont.Clear();
LogF(LoadResStr("IDS_PRC_UPDATEFONT"), FontFaceName, iDefFontSize, dwDefWeight);
}
// init with given font name
try
{
// check if one of the internally listed fonts should be used
C4VectorFont * pFont = pVectorFonts;
while (pFont)
{
if (SEqual(pFont->Name.getData(), FontFaceName))
{
if (InitFont(rFont, pFont, iDefFontSize, dwDefWeight, fDoShadow)) break;
}
pFont = pFont->pNext;
}
// no internal font matching? Then create one using the given face/filename (using a system font)
if (!pFont)
{
pFont = new C4VectorFont();
if (pFont->Init(FontFaceName, iDefFontSize, dwDefWeight, Config.General.LanguageCharset))
{
AddVectorFont(pFont);
if (!InitFont(rFont, pFont, iDefFontSize, dwDefWeight, fDoShadow))
throw std::runtime_error(FormatString("Error initializing font %s", FontFaceName).getData());
}
else
{
delete pFont;
// no match for font face found
throw std::runtime_error(FormatString("Font face %s undefined", FontFaceName).getData());
}
}
}
catch (std::runtime_error & e)
{
LogFatal(e.what());
LogFatal(LoadResStr("IDS_ERR_INITFONTS"));
return false;
}
rFont.id = 0;
}
}
// done, success
return true;
}
