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Next WIP version of the LWO loader. LWO2 is still unfinished and crashes every time.

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Added NFF test model.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@123 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
This commit is contained in:
aramis_acg
2008-09-08 16:48:21 +00:00
parent d38e83766b
commit af18307f95
9 changed files with 790 additions and 271 deletions
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141
code/LWOMaterial.cpp
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@@ -113,140 +113,17 @@ void LWOImporter::ConvertMaterial(const LWO::Surface& surf,MaterialHelper* pcMat
}
// ------------------------------------------------------------------------------------------------
void LWOImporter::LoadLWOBSurface(unsigned int size)
void LWOImporter::FindUVChannels(const LWO::Surface& surf, const LWO::Layer& layer,
unsigned int out[AI_MAX_NUMBER_OF_TEXTURECOORDS])
{
LE_NCONST uint8_t* const end = mFileBuffer + size;
out[0] = 0xffffffff;
}
uint32_t iCursor = 0;
mSurfaces->push_back( LWO::Surface () );
LWO::Surface& surf = mSurfaces->back();
LWO::Texture* pTex = NULL;
ParseString(surf.mName,size);
mFileBuffer+=surf.mName.length()+1;
// skip one byte if the length of the surface name is odd
if (!(surf.mName.length() & 1))++mFileBuffer;
while (true)
{
if (mFileBuffer + 6 > end)break;
// no proper IFF header here - the chunk length is specified as int16
uint32_t head_type = *((LE_NCONST uint32_t*)mFileBuffer);mFileBuffer+=4;
uint16_t head_length = *((LE_NCONST uint16_t*)mFileBuffer);mFileBuffer+=2;
AI_LSWAP4(head_type);
AI_LSWAP2(head_length);
if (mFileBuffer + head_length > end)
{
throw new ImportErrorException("LWOB: Invalid file, the size attribute of "
"a surface sub chunk points behind the end of the file");
}
LE_NCONST uint8_t* const next = mFileBuffer+head_length;
switch (head_type)
{
// diffuse color
case AI_LWO_COLR:
{
AI_LWO_VALIDATE_CHUNK_LENGTH(head_length,COLR,3);
surf.mColor.r = *mFileBuffer++ / 255.0f;
surf.mColor.g = *mFileBuffer++ / 255.0f;
surf.mColor.b = *mFileBuffer / 255.0f;
break;
}
// diffuse strength ...
case AI_LWO_DIFF:
{
AI_LWO_VALIDATE_CHUNK_LENGTH(head_length,DIFF,2);
AI_LSWAP2P(mFileBuffer);
surf.mDiffuseValue = *((int16_t*)mFileBuffer) / 255.0f;
break;
}
// specular strength ...
case AI_LWO_SPEC:
{
AI_LWO_VALIDATE_CHUNK_LENGTH(head_length,SPEC,2);
AI_LSWAP2P(mFileBuffer);
surf.mSpecularValue = *((int16_t*)mFileBuffer) / 255.0f;
break;
}
// luminosity ...
case AI_LWO_LUMI:
{
AI_LWO_VALIDATE_CHUNK_LENGTH(head_length,LUMI,2);
AI_LSWAP2P(mFileBuffer);
surf.mLuminosity = *((int16_t*)mFileBuffer) / 255.0f;
break;
}
// transparency
case AI_LWO_TRAN:
{
AI_LWO_VALIDATE_CHUNK_LENGTH(head_length,TRAN,2);
AI_LSWAP2P(mFileBuffer);
surf.mTransparency = *((int16_t*)mFileBuffer) / 255.0f;
break;
}
// glossiness
case AI_LWO_GLOS:
{
AI_LWO_VALIDATE_CHUNK_LENGTH(head_length,GLOS,2);
AI_LSWAP2P(mFileBuffer);
surf.mGlossiness = float(*((int16_t*)mFileBuffer));
break;
}
// color texture
case AI_LWO_CTEX:
{
pTex = &surf.mColorTexture;
break;
}
// diffuse texture
case AI_LWO_DTEX:
{
pTex = &surf.mDiffuseTexture;
break;
}
// specular texture
case AI_LWO_STEX:
{
pTex = &surf.mSpecularTexture;
break;
}
// bump texture
case AI_LWO_BTEX:
{
pTex = &surf.mBumpTexture;
break;
}
// transparency texture
case AI_LWO_TTEX:
{
pTex = &surf.mTransparencyTexture;
break;
}
// texture path
case AI_LWO_TIMG:
{
if (pTex)
{
ParseString(pTex->mFileName,head_length);
AdjustTexturePath(pTex->mFileName);
mFileBuffer += pTex->mFileName.length();
}
else DefaultLogger::get()->warn("LWOB: TIMG tag was encuntered although "
"there was no xTEX tag before");
break;
}
// texture strength
case AI_LWO_TVAL:
{
AI_LWO_VALIDATE_CHUNK_LENGTH(head_length,TVAL,1);
if (pTex)pTex->mStrength = *mFileBuffer / 255.0f;
else DefaultLogger::get()->warn("LWOB: TVAL tag was encuntered "
"although there was no xTEX tag before");
break;
}
}
mFileBuffer = next;
}
// ------------------------------------------------------------------------------------------------
void LWOImporter::FindVCChannels(const LWO::Surface& surf, const LWO::Layer& layer,
unsigned int out[AI_MAX_NUMBER_OF_COLOR_SETS])
{
out[0] = 0xffffffff;
}
// ------------------------------------------------------------------------------------------------