// ---------------------------------------------------------------------------
CTextureFile *CDataBase::loadTexture (const std::string &fileName)
{
CTextureFile *pTexture = new CTextureFile;
pTexture->setFileName (fileName);
pTexture->setReleasable (false);
pTexture->generate ();
return pTexture;
}
// ---------------------------------------------------------------------------
// main
// ---------------------------------------------------------------------------
int main(int nNbArg, char **ppArgs)
{
if (nNbArg <3 || nNbArg >5)
{
outString ("ERROR : Wrong number of arguments\n");
outString ("USAGE : lightmap_optimizer <path_lightmaps> <path_shapes> [path_tags] [path_flag8bit]\n");
return -1;
}
vector<string> AllShapeNames;
vector<CMeshBase*> AllShapes;
std::vector<std::string> tags;
char sLMPDir[MAX_PATH];
char sSHPDir[MAX_PATH];
GetCurrentDirectory (MAX_PATH, sExeDir);
// Get absolute directory for lightmaps
if (!SetCurrentDirectory(ppArgs[1]))
{
outString (string("ERROR : directory ") + ppArgs[1] + " do not exists\n");
return -1;
}
GetCurrentDirectory (MAX_PATH, sLMPDir);
SetCurrentDirectory (sExeDir);
// Get absolute directory for shapes
if (!SetCurrentDirectory(ppArgs[2]))
{
outString (string("ERROR : directory ") + ppArgs[2] + " do not exists\n");
return -1;
}
GetCurrentDirectory (MAX_PATH, sSHPDir);
dir ("*.shape", AllShapeNames, false);
registerSerial3d ();
for (uint32 nShp = 0; nShp < AllShapeNames.size(); ++nShp)
{
try
{
CShapeStream mesh;
NLMISC::CIFile meshfile (AllShapeNames[nShp]);
meshfile.serial( mesh );
meshfile.close();
// Add the shape to the map.
CMeshBase *pMB = dynamic_cast<CMeshBase*>(mesh.getShapePointer());
AllShapes.push_back (pMB);
}
catch (NLMISC::EPathNotFound &e)
{
outString(string("ERROR: shape not found ")+AllShapeNames[nShp]+" - "+e.what());
return -1;
}
}
if (nNbArg > 3 && ppArgs[3] && strlen(ppArgs[3]) > 0)
{
SetCurrentDirectory (sExeDir);
if (!SetCurrentDirectory(ppArgs[3]))
{
outString (string("ERROR : directory ") + ppArgs[3] + " do not exists\n");
return -1;
}
dir ("*.tag", tags, false);
for(uint k = 0; k < tags.size(); ++k)
{
std::string::size_type pos = tags[k].find('.');
if (pos != std::string::npos)
{
tags[k] = tags[k].substr(0, pos);
}
}
}
// **** Parse all mesh loaded, to flag each lightmap if 8 bit or not (NB: all layers should be same mode)
std::set<string> setLM8Bit;
for(uint i=0;i<AllShapes.size();i++)
{
CMeshBase *pMB= AllShapes[i];
if(!pMB)
continue;
uint32 nbMat= pMB->getNbMaterial();
for (uint32 m = 0; m < nbMat; ++m)
{
CMaterial& rMat = const_cast<CMaterial&>(pMB->getMaterial (m));
if (rMat.getShader() == CMaterial::LightMap)
{
// Begin with stage 0
uint8 stage = 0;
while (rMat.getLightMap(stage) != NULL)
{
ITexture *pIT = rMat.getLightMap (stage);
CTextureFile *pTF = dynamic_cast<CTextureFile*>(pIT);
if (pTF != NULL)
{
string sTexName = NLMISC::strlwr(pTF->getFileName());
if(pTF->getUploadFormat()==ITexture::Luminance)
setLM8Bit.insert(sTexName);
}
++stage;
}
}
}
}
// **** Parse all lightmaps, sorted by layer, and 8 or 16 bit mode
SetCurrentDirectory (sExeDir);
for (uint32 lmc8bitMode = 0; lmc8bitMode < 2; ++lmc8bitMode)
for (uint32 nNbLayer = 0; nNbLayer < 256; ++nNbLayer)
{
// Get all lightmaps with same number of layer == nNbLayer
// merge lightmaps only if they are in same mode (8bits or 16 bits)
vector<string> AllLightmapNames;
vector<sint> AllLightmapTags;
vector<NLMISC::CBitmap*> AllLightmaps;
sint32 i, j, k, m, n;
string sFilter;
// **** Get All Lightmaps that have this number of layer, and this mode
sFilter = "*_" + NLMISC::toString(nNbLayer) + ".tga";
SetCurrentDirectory (sLMPDir);
dir (sFilter, AllLightmapNames, false);
// filter by layer
vector<string> tmpLMs;
tmpLMs.reserve(AllLightmapNames.size());
for (i = 0; i < (sint32)AllLightmapNames.size(); ++i)
{
string sTmp2 = getBaseName (AllLightmapNames[i]);
sTmp2 += NLMISC::toString(nNbLayer+1) + ".tga";
// if not More layer than expected, ok
if (!fileExist(sTmp2))
{
tmpLMs.push_back(AllLightmapNames[i]);
}
}
AllLightmapNames= tmpLMs;
// filter by 8bit or not mode.
tmpLMs.clear();
for (i = 0; i < (sint32)AllLightmapNames.size(); ++i)
{
bool lm8Bit= setLM8Bit.find( NLMISC::strlwr(AllLightmapNames[i]) ) !=setLM8Bit.end();
// if same mode
if( lm8Bit == (lmc8bitMode==1) )
{
tmpLMs.push_back(AllLightmapNames[i]);
}
}
AllLightmapNames= tmpLMs;
// **** Build tag info
/*
for(uint k = 0; k < tags.size(); ++k)
{
nlinfo("tag %d = %s", (int) k, tags[k].c_str());
}
*/
AllLightmapTags.resize(AllLightmapNames.size());
for(uint k = 0; k < AllLightmapNames.size(); ++k)
{
nlinfo("k = %d", (int) k);
AllLightmapTags[k] = -1;
// search for longest tag that match
uint bestLength = 0;
for(uint l = 0; l < tags.size(); ++l)
{
if (AllLightmapNames[k].size() > tags[l].size())
{
if (tags[l].size() > bestLength)
{
std::string start = AllLightmapNames[k].substr(0, tags[l].size());
if (NLMISC::nlstricmp(start, tags[l]) == 0)
{
bestLength = (uint)tags[l].size();
// the tag matchs
AllLightmapTags[k] = l;
}
}
}
}
if (AllLightmapTags[k] == -1)
{
nlinfo(NLMISC::toString("Lightmap %s has no tag", AllLightmapNames[k].c_str()).c_str());
}
else
{
nlinfo(NLMISC::toString("Lightmap %s has tag %d : %s", AllLightmapNames[k].c_str(), (int) AllLightmapTags[k], tags[AllLightmapTags[k]].c_str()).c_str());
}
}
// Check if all layer of the same lightmap has the same size
if (nNbLayer > 0)
for (i = 0; i < (sint32)AllLightmapNames.size(); ++i)
{
string sTmp2;
sTmp2 = getBaseName (AllLightmapNames[i]) + "0.tga";
uint32 wRef, hRef;
try
{
NLMISC::CIFile inFile;
inFile.open(sTmp2);
CBitmap::loadSize(inFile, wRef, hRef);
}
catch (NLMISC::Exception &e)
{
outString (string("ERROR :") + e.what());
return -1;
}
bool bFound = false;
for (k = 1; k <= (sint32)nNbLayer; ++k)
{
string sTmp3 = getBaseName (AllLightmapNames[i]) + NLMISC::toString(k) + ".tga";
uint32 wCur = wRef, hCur = hRef;
try
{
NLMISC::CIFile inFile;
inFile.open(sTmp3);
CBitmap::loadSize(inFile, wCur, hCur);
}
catch (NLMISC::Exception &)
{
}
if ((wCur != wRef) || (hCur != hRef))
{
bFound = true;
break;
}
}
// Should delete all layers of this lightmap (in fact in lightmapnames list we have
// only the name of the current layer)
if (bFound)
{
sTmp2 = getBaseName (AllLightmapNames[i]);
outString(string("ERROR: lightmaps ")+sTmp2+"*.tga not all the same size\n");
for (k = 0; k < (sint32)AllLightmapNames.size(); ++k)
{
if (strnicmp(AllLightmapNames[k].c_str(), sTmp2.c_str(), sTmp2.size()) == 0)
{
for (j = k+1; j < (sint32)AllLightmapNames.size(); ++j)
{
AllLightmapNames[j-1] = AllLightmapNames[j];
AllLightmapTags[j - 1] = AllLightmapTags[j];
}
AllLightmapNames.resize (AllLightmapNames.size()-1);
AllLightmapTags.resize(AllLightmapTags.size() - 1);
k = -1;
i = -1;
}
}
}
}
if (AllLightmapNames.size() == 0)
continue;
// Load all the lightmaps
AllLightmaps.resize (AllLightmapNames.size());
for (i = 0; i < (sint32)AllLightmaps.size(); ++i)
{
try
{
NLMISC::CBitmap *pBtmp = new NLMISC::CBitmap;
NLMISC::CIFile inFile;
inFile.open(AllLightmapNames[i]);
pBtmp->load(inFile);
AllLightmaps[i] = pBtmp;
}
catch (NLMISC::Exception &e)
{
outString (string("ERROR :") + e.what());
return -1;
}
}
// Sort all lightmaps by decreasing size
for (i = 0; i < (sint32)(AllLightmaps.size()-1); ++i)
for (j = i+1; j < (sint32)AllLightmaps.size(); ++j)
{
NLMISC::CBitmap *pBI = AllLightmaps[i];
NLMISC::CBitmap *pBJ = AllLightmaps[j];
if ((pBI->getWidth()*pBI->getHeight()) < (pBJ->getWidth()*pBJ->getHeight()))
{
NLMISC::CBitmap *pBTmp = AllLightmaps[i];
AllLightmaps[i] = AllLightmaps[j];
AllLightmaps[j] = pBTmp;
string sTmp = AllLightmapNames[i];
AllLightmapNames[i] = AllLightmapNames[j];
AllLightmapNames[j] = sTmp;
sint tagTmp = AllLightmapTags[i];
AllLightmapTags[i] = AllLightmapTags[j];
AllLightmapTags[j] = tagTmp;
}
}
nlassert(AllLightmapTags.size() == AllLightmapNames.size());
for (i = 0; i < (sint32)AllLightmapNames.size(); ++i)
{
outString(NLMISC::toString("%d / %d\n", (int) i, (int) AllLightmapNames.size()));
bool bAssigned = false;
for (j = 0; j < i; ++j)
{
// Tags of both textures must match. We don't want to spread lightmap chunk in bitmap whose other part aren't used by current ig lightmaps (this wastes vram for nothing)
if (AllLightmapTags[i] != AllLightmapTags[j]) continue;
// Try to place the texture i into the texture j
// This can be done only if texture was exported from the same zone. To ensure that, check
NLMISC::CBitmap *pBI = AllLightmaps[i];
NLMISC::CBitmap *pBJ = AllLightmaps[j];
sint32 x, y;
if (tryAllPos (pBI, pBJ, x, y))
{
bAssigned = true;
if (!putIn (pBI, pBJ, x, y))
{
outString (string("ERROR : cannot put reference lightmap ")+AllLightmapNames[i]+
" in "+AllLightmapNames[j]);
return -1;
}
// Put texture i into texture j for all layers of the lightmap !
for (k = 0; k <= (sint32)nNbLayer; ++k)
{
string sTexNameI = getBaseName (AllLightmapNames[i]) + NLMISC::toString(k) + ".tga";
string sTexNameJ = getBaseName (AllLightmapNames[j]) + NLMISC::toString(k) + ".tga";
NLMISC::CBitmap BitmapI;
NLMISC::CBitmap BitmapJ;
NLMISC::CIFile inFile;
outString (NLMISC::toString("INFO : Transfering %s (tag = %d) in %s (tag = %d)",
sTexNameI.c_str(), (int) AllLightmapTags[i],
sTexNameJ.c_str(), (int) AllLightmapTags[j]) +
" at ("+NLMISC::toString(x)+","+NLMISC::toString(y)+")\n");
try
{
inFile.open (sTexNameI);
BitmapI.load (inFile);
inFile.close ();
inFile.open (sTexNameJ);
BitmapJ.load (inFile);
inFile.close ();
}
catch (NLMISC::Exception &e)
{
outString (string("ERROR :") + e.what());
return -1;
}
if (!putIn (&BitmapI, &BitmapJ, x, y))
{
outString (string("ERROR : cannot put lightmap ")+sTexNameI+" in "+sTexNameJ+"\n");
return -1;
}
// Delete File
DeleteFile (sTexNameI.c_str());
outString (string("INFO : Deleting file ")+sTexNameI+"\n");
// Save destination image
NLMISC::COFile outFile;
outFile.open (sTexNameJ);
BitmapJ.writeTGA (outFile, 32);
outString (string("INFO : Saving file ")+sTexNameJ+"\n");
}
// Change shapes uvs related and names to the lightmap
// ---------------------------------------------------
SetCurrentDirectory (sSHPDir);
for (k = 0; k < (sint32)AllShapes.size(); ++k)
{
CMeshBase *pMB = AllShapes[k];
if (!pMB)
continue;
uint nNbMat = pMB->getNbMaterial ();
vector< vector<bool> > VerticesNeedRemap;
bool bMustSave = false;
// Initialize all VerticesNeedRemap
CMesh *pMesh = dynamic_cast<CMesh*>(pMB);
CMeshMRM *pMeshMRM = dynamic_cast<CMeshMRM*>(pMB);
CMeshMultiLod *pMeshML = dynamic_cast<CMeshMultiLod*>(pMB);
if (pMesh != NULL)
{
VerticesNeedRemap.resize(1); // Only one meshgeom
vector<bool> &rVNR = VerticesNeedRemap[0];
rVNR.resize (pMesh->getMeshGeom().getVertexBuffer().getNumVertices(), false);
}
else if (pMeshMRM != NULL)
{
VerticesNeedRemap.resize(1); // Only one meshmrmgeom
vector<bool> &rVNR = VerticesNeedRemap[0];
rVNR.resize (pMeshMRM->getMeshGeom().getVertexBuffer().getNumVertices(), false);
}
else if (pMeshML != NULL)
{
sint32 nNumSlot = pMeshML->getNumSlotMesh();
VerticesNeedRemap.resize(nNumSlot);
for (m = 0; m < nNumSlot; ++m)
{
vector<bool> &rVNR = VerticesNeedRemap[m];
const CMeshGeom *pMG = dynamic_cast<const CMeshGeom*>(&pMeshML->getMeshGeom(m));
if (pMG != NULL)
rVNR.resize (pMG->getVertexBuffer().getNumVertices(), false);
else
rVNR.resize(0);
}
}
else continue; // Next mesh
// All materials must have the lightmap names changed
for (m = 0; m < (sint32)nNbMat; ++m)
{
bool bMustRemapUV = false;
CMaterial& rMat = const_cast<CMaterial&>(pMB->getMaterial (m));
if (rMat.getShader() == CMaterial::LightMap)
{
// Begin with stage 0
uint8 stage = 0;
while (rMat.getLightMap(stage) != NULL)
{
ITexture *pIT = rMat.getLightMap (stage);
CTextureFile *pTF = dynamic_cast<CTextureFile*>(pIT);
if (pTF != NULL)
{
string sTexName = NLMISC::strlwr(getBaseName(pTF->getFileName()));
string sTexNameMoved = NLMISC::strlwr(getBaseName(AllLightmapNames[i]));
if (sTexName == sTexNameMoved)
{
// We must remap the name and indicate to remap uvs
bMustRemapUV = true;
//string sNewTexName = NLMISC::strlwr(getBaseName(AllLightmapNames[j]));
//sNewTexName += NLMISC::toString(getLayerNb(pTF->getFileName())) + ".tga";
//pTF->setFileName (sNewTexName);
}
}
++stage;
}
}
// We have to remap the uvs of this mesh for this material
if (bMustRemapUV) // Flaggage of the vertices to remap
{
if (pMesh != NULL)
{
// Flag all vertices linked to face with material m
FlagVertices (const_cast<CMeshGeom&>(pMesh->getMeshGeom()), m, VerticesNeedRemap[0]);
}
else if (pMeshMRM != NULL)
{
FlagVerticesMRM (const_cast<CMeshMRMGeom&>(pMeshMRM->getMeshGeom()), m, VerticesNeedRemap[0]);
}
else if (pMeshML != NULL)
{
sint32 nNumSlot = pMeshML->getNumSlotMesh();
for (n = 0; n < nNumSlot; ++n)
{
// Get the mesh geom
CMeshGeom *pMG = const_cast<CMeshGeom*>(dynamic_cast<const CMeshGeom*>(&pMeshML->getMeshGeom(n)));
if (pMG)
{
// Flag the vertices
FlagVertices (*pMG, m, VerticesNeedRemap[n]);
}
else
{
// Get the mesh MRM geom
CMeshMRMGeom *pMMRMG = const_cast<CMeshMRMGeom*>(dynamic_cast<const CMeshMRMGeom*>(&pMeshML->getMeshGeom(n)));
if (pMMRMG)
{
// Flag the vertices
FlagVerticesMRM (*pMMRMG, m, VerticesNeedRemap[n]);
}
}
}
}
}
}
// Change lightmap names
for (m = 0; m < (sint32)nNbMat; ++m)
{
CMaterial& rMat = const_cast<CMaterial&>(pMB->getMaterial (m));
if (rMat.getShader() == CMaterial::LightMap)
{
// Begin with stage 0
uint8 stage = 0;
while (rMat.getLightMap(stage) != NULL)
{
ITexture *pIT = rMat.getLightMap (stage);
CTextureFile *pTF = dynamic_cast<CTextureFile*>(pIT);
if (pTF != NULL)
{
string sTexName = NLMISC::strlwr(getBaseName(pTF->getFileName()));
string sTexNameMoved = NLMISC::strlwr(getBaseName(AllLightmapNames[i]));
if (sTexName == sTexNameMoved)
{
string sNewTexName = NLMISC::strlwr(getBaseName(AllLightmapNames[j]));
sNewTexName += NLMISC::toString(getLayerNb(pTF->getFileName())) + ".tga";
pTF->setFileName (sNewTexName);
}
}
++stage;
}
}
}
// We have now the list of vertices to remap for all material that have been changed
// So parse this list and apply the transformation : (uv * TexSizeI + decalXY) / TexSizeJ
for (m = 0; m < (sint32)VerticesNeedRemap.size(); ++m)
{
CVertexBuffer *pVB;
if (pMesh != NULL)
{
pVB = const_cast<CVertexBuffer*>(&pMesh->getMeshGeom().getVertexBuffer());
}
else if (pMeshMRM != NULL)
{
pVB = const_cast<CVertexBuffer*>(&pMeshMRM->getMeshGeom().getVertexBuffer());
}
else if (pMeshML != NULL)
{
const CMeshGeom *pMG = dynamic_cast<const CMeshGeom*>(&pMeshML->getMeshGeom(m));
pVB = const_cast<CVertexBuffer*>(&pMG->getVertexBuffer());
}
CVertexBufferReadWrite vba;
pVB->lock (vba);
vector<bool> &rVNR = VerticesNeedRemap[m];
for (n = 0; n < (sint32)rVNR.size(); ++n)
if (rVNR[n])
{
CUV *pUV = (CUV*)vba.getTexCoordPointer (n,1);
pUV->U = (pUV->U*pBI->getWidth() + x) / pBJ->getWidth();
pUV->V = (pUV->V*pBI->getHeight() + y) / pBJ->getHeight();
bMustSave = true;
}
}
if (bMustSave)
{
try
{
if (AllShapes[k])
{
CShapeStream mesh;
mesh.setShapePointer (AllShapes[k]);
NLMISC::COFile meshfile (AllShapeNames[k]);
meshfile.serial (mesh);
meshfile.close ();
}
}
catch (NLMISC::EPathNotFound &e)
{
outString(string("ERROR: cannot save shape ")+AllShapeNames[k]+" - "+e.what());
return -1;
}
}
}
SetCurrentDirectory (sLMPDir);
// Get out of the j loop
break;
}
}
// if assigned to another bitmap -> delete the bitmap i
if (bAssigned)
{
// Delete Names && tags
for (j = i+1; j < (sint32)AllLightmapNames.size(); ++j)
{
AllLightmapNames[j-1] = AllLightmapNames[j];
AllLightmapTags[j-1] = AllLightmapTags[j];
}
AllLightmapNames.resize (AllLightmapNames.size()-1);
AllLightmapTags.resize (AllLightmapTags.size()-1);
// Delete Lightmaps
delete AllLightmaps[i];
for (j = i+1; j < (sint32)AllLightmaps.size(); ++j)
AllLightmaps[j-1] = AllLightmaps[j];
AllLightmaps.resize (AllLightmaps.size()-1);
i = i - 1;
}
}
}
// **** Additionally, output or clear a "flag file" in a dir to info if a 8bit lihgtmap or not
if (nNbArg >=5 && ppArgs[4] && strlen(ppArgs[4]) > 0)
{
SetCurrentDirectory (sExeDir);
// out a text file, with list of
FILE *out= fopen(ppArgs[4], "wt");
if(!out)
{
outString(string("ERROR: cannot save ")+ppArgs[4]);
}
set<string>::iterator it(setLM8Bit.begin()), end(setLM8Bit.end());
for(;it!=end;it++)
{
string temp= (*it);
temp+= "\n";
fputs(temp.c_str(), out);
}
fclose(out);
}
return 0;
}