First half-working version of the ASE loader

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@46 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
This commit is contained in:
aramis_acg
2008-05-28 21:05:05 +00:00
parent 9c4968da33
commit 74dfe61c1e
4 changed files with 531 additions and 137 deletions

View File

@@ -204,12 +204,7 @@ void Parser::Parse()
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
if ('\0' == *this->m_szFile)
{
@@ -249,12 +244,7 @@ void Parser::ParseLV1SceneBlock()
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -310,12 +300,7 @@ void Parser::ParseLV1MaterialListBlock()
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -437,6 +422,13 @@ void Parser::ParseLV2MaterialBlock(ASE::Material& mat)
this->ParseLV4MeshFloat(mat.mSpecularExponent);
mat.mSpecularExponent *= 15;
}
// material shininess strength
if (0 == strncmp(this->m_szFile,"*MATERIAL_SHINESTRENGTH",23) &&
IsSpaceOrNewLine(*(this->m_szFile+23)))
{
this->m_szFile+=24;
this->ParseLV4MeshFloat(mat.mShininessStrength);
}
// diffuse color map
if (0 == strncmp(this->m_szFile,"*MAP_DIFFUSE",12) &&
IsSpaceOrNewLine(*(this->m_szFile+12)))
@@ -546,12 +538,7 @@ void Parser::ParseLV2MaterialBlock(ASE::Material& mat)
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -649,12 +636,7 @@ void Parser::ParseLV3MapBlock(Texture& map)
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -667,6 +649,47 @@ void Parser::ParseLV3MapBlock(Texture& map)
return;
}
// ------------------------------------------------------------------------------------------------
bool Parser::ParseString(std::string& out,const char* szName)
{
char szBuffer[1024];
ai_assert(strlen(szName < 750));
// NOTE: The name could also be the texture in some cases
// be prepared that this might occur ...
if (!SkipSpaces(this->m_szFile,&this->m_szFile))
{
sprintf(szBuffer,"Unable to parse %s block: Unexpected EOL",szName);
this->LogWarning(szBuffer);
return false;
}
// there must be "
if ('\"' != *this->m_szFile)
{
sprintf(szBuffer,"Unable to parse %s block: String is expected "
"to be enclosed in double quotation marks",szName);
this->LogWarning(szBuffer);
return false;
}
++this->m_szFile;
const char* sz = this->m_szFile;
while (true)
{
if ('\"' == *sz)break;
else if ('\0' == sz)
{
sprintf(szBuffer,"Unable to parse %s block: String is expected to be "
"enclosed in double quotation marks but EOF was reached before a closing "
"quotation mark was found",szName);
this->LogWarning(szBuffer);
return false;
}
sz++;
}
out = std::string(this->m_szFile,(uintptr_t)sz-(uintptr_t)this->m_szFile);
this->m_szFile = sz;
return true;
}
// ------------------------------------------------------------------------------------------------
void Parser::ParseLV1GeometryObjectBlock(ASE::Mesh& mesh)
{
int iDepth = 0;
@@ -679,31 +702,22 @@ void Parser::ParseLV1GeometryObjectBlock(ASE::Mesh& mesh)
IsSpaceOrNewLine(*(this->m_szFile+10)))
{
this->m_szFile+=11;
// NOTE: The name could also be the texture in some cases
// be prepared that this might occur ...
if (!SkipSpaces(this->m_szFile,&this->m_szFile))
BLUBB("Unable to parse *NODE_NAME block: Unexpected EOL")
// there must be "
if ('\"' != *this->m_szFile)
BLUBB("Unable to parse *NODE_NAME block: Name is expected to be enclosed in double quotation marks")
++this->m_szFile;
const char* sz = this->m_szFile;
while (true)
if(!this->ParseString(mesh.mName,"*NODE_NAME"))
{
if ('\"' == *sz)break;
else if ('\0' == sz)
{
BLUBB("Unable to parse *NODE_NAME block: Name is expected to be enclosed in double quotation marks \
but EOF was reached before a closing quotation mark was found")
}
sz++;
this->SkipToNextToken();
continue;
}
}
// name of the parent of the node
if (0 == strncmp(this->m_szFile,"*NODE_PARENT" ,12) &&
IsSpaceOrNewLine(*(this->m_szFile+12)))
{
this->m_szFile+=13;
if(!this->ParseString(mesh.mParent,"*NODE_PARENT"))
{
this->SkipToNextToken();
continue;
}
mesh.mName = std::string(this->m_szFile,(uintptr_t)sz-(uintptr_t)this->m_szFile);
this->m_szFile = sz;
}
// transformation matrix of the node
if (0 == strncmp(this->m_szFile,"*NODE_TM" ,8) &&
@@ -719,16 +733,18 @@ void Parser::ParseLV1GeometryObjectBlock(ASE::Mesh& mesh)
this->m_szFile+=6;
this->ParseLV2MeshBlock(mesh);
}
// mesh material index
else if (0 == strncmp(this->m_szFile,"*MATERIAL_REF" ,13) &&
IsSpaceOrNewLine(*(this->m_szFile+13)))
{
this->m_szFile+=14;
this->ParseLV4MeshLong(mesh.iMaterialIndex);
}
}
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -780,12 +796,7 @@ void Parser::ParseLV2NodeTransformBlock(ASE::Mesh& mesh)
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -932,23 +943,28 @@ void Parser::ParseLV2MeshBlock(ASE::Mesh& mesh)
this->ParseLV3MappingChannel(iIndex-1,mesh);
}
}
// mesh material index
else if (0 == strncmp(this->m_szFile,"*MATERIAL_REF" ,13) &&
// mesh animation keyframe. Not supported
else if (0 == strncmp(this->m_szFile,"*MESH_ANIMATION" ,15) &&
IsSpaceOrNewLine(*(this->m_szFile+15)))
{
this->m_szFile+=16;
this->LogWarning("Found *MESH_ANIMATION element in ASE/ASK file. "
"Keyframe animation is not supported by Assimp, this element "
"will be ignored");
}
// mesh animation keyframe. Not supported
else if (0 == strncmp(this->m_szFile,"*MESH_WEIGHTS" ,13) &&
IsSpaceOrNewLine(*(this->m_szFile+13)))
{
this->m_szFile+=14;
this->ParseLV4MeshLong(mesh.iMaterialIndex);
this->ParseLV3MeshWeightsBlock(mesh);
}
}
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -961,6 +977,174 @@ void Parser::ParseLV2MeshBlock(ASE::Mesh& mesh)
return;
}
// ------------------------------------------------------------------------------------------------
void Parser::ParseLV3MeshWeightsBlock(ASE::Mesh& mesh)
{
unsigned int iNumVertices = 0;
unsigned int iNumBones = 0;
int iDepth = 0;
while (true)
{
if ('*' == *this->m_szFile)
{
// Number of bone vertices ...
if (0 == strncmp(this->m_szFile,"*MESH_NUMVERTEX" ,15) &&
IsSpaceOrNewLine(*(this->m_szFile+15)))
{
this->m_szFile+=16;
this->ParseLV4MeshLong(iNumVertices);
}
// Number of bones
if (0 == strncmp(this->m_szFile,"*MESH_NUMBONE" ,13) &&
IsSpaceOrNewLine(*(this->m_szFile+13)))
{
this->m_szFile+=14;
this->ParseLV4MeshLong(iNumBones);
}
// parse the list of bones
if (0 == strncmp(this->m_szFile,"*MESH_BONE_LIST" ,15) &&
IsSpaceOrNewLine(*(this->m_szFile+15)))
{
this->m_szFile+=16;
this->SkipOpeningBracket();
this->ParseLV4MeshBones(iNumBones,mesh);
}
// parse the list of bones vertices
if (0 == strncmp(this->m_szFile,"*MESH_BONE_VERTEX_LIST" ,22) &&
IsSpaceOrNewLine(*(this->m_szFile+22)))
{
this->m_szFile+=23;
this->SkipOpeningBracket();
this->ParseLV4MeshBonesVertices(iNumVertices,mesh);
}
}
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
// END OF FILE ... this is a level2 block, this can't be
BLUBB("Unable to finish parsing a lv2 *MESH_WEIGHTS block. Unexpected EOF")
}
else if(IsLineEnd(*this->m_szFile))++this->iLineNumber;
++this->m_szFile;
}
return;
}
// ------------------------------------------------------------------------------------------------
void Parser::ParseLV4MeshBones(unsigned int iNumBones,ASE::Mesh& mesh)
{
mesh.mBones.resize(iNumBones);
int iDepth = 0;
while (true)
{
if ('*' == *this->m_szFile)
{
// Mesh bone with name ...
if (0 == strncmp(this->m_szFile,"*MESH_BONE_NAME" ,17) &&
IsSpaceOrNewLine(*(this->m_szFile+17)))
{
this->m_szFile+=18;
// parse an index ...
if(SkipSpaces(this->m_szFile,&this->m_szFile))
{
unsigned int iIndex = strtol10(this->m_szFile,&this->m_szFile);
if (iIndex >= iNumBones)
{
iIndex = iNumBones-1;
this->LogWarning("Bone index is out of bounds. Using the largest valid "
"bone index instead");
}
if (!this->ParseString(mesh.mBones[iIndex].mName,"*MESH_BONE_NAME"))
{
this->SkipToNextToken();
continue;
}
}
}
}
if ('{' == *this->m_szFile)iDepth++;
else if ('}' == *this->m_szFile)
{
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
// END OF FILE ... this is a level4 block, this can't be
BLUBB("Unable to finish parsing a lv4 *MESH_BONE_LIST block. Unexpected EOF")
}
else if(IsLineEnd(*this->m_szFile))++this->iLineNumber;
++this->m_szFile;
}
}
// ------------------------------------------------------------------------------------------------
void Parser::ParseLV4MeshBonesVertices(unsigned int iNumVertices,ASE::Mesh& mesh)
{
mesh.mBoneVertices.resize(iNumVertices);
int iDepth = 0;
while (true)
{
if ('*' == *this->m_szFile)
{
// Mesh bone vertex
if (0 == strncmp(this->m_szFile,"*MESH_BONE_VERTEX" ,17) &&
IsSpaceOrNewLine(*(this->m_szFile+17)))
{
this->m_szFile+=18;
// read the vertex index
unsigned int iIndex = strtol10(this->m_szFile,&this->m_szFile);
if (iIndex >= mesh.mPositions.size())
{
iIndex = mesh.mPositions.size()-1;
this->LogWarning("Bone vertex index is out of bounds. Using the largest valid "
"bone vertex index instead");
}
// now there there are 3 normal floats, the
// should be identical to the vertex positions
// contained in the *VERTEX_LIST block. Well, we check this
// in debug builds to be sure ;-)
float afVert[3];
this->ParseLV4MeshFloatTriple(afVert);
std::pair<int,float> pairOut;
while (true)
{
// first parse the bone index ...
if (!SkipSpaces(this->m_szFile,&this->m_szFile))break;
pairOut.first = strtol10(this->m_szFile,&this->m_szFile);
// then parse the vertex weight
if (!SkipSpaces(this->m_szFile,&this->m_szFile))break;
this->m_szFile = fast_atof_move(this->m_szFile,pairOut.second);
// -1 designates unused entries
if (-1 != pairOut.first)
{
mesh.mBoneVertices[iIndex].mBoneWeights.push_back(pairOut);
}
}
}
}
if ('{' == *this->m_szFile)iDepth++;
else if ('}' == *this->m_szFile)
{
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
// END OF FILE ... this is a level4 block, this can't be
BLUBB("Unable to finish parsing a lv4 *MESH_BONE_VERTEX_LIST block. Unexpected EOF")
}
else if(IsLineEnd(*this->m_szFile))++this->iLineNumber;
++this->m_szFile;
}
return;
}
// ------------------------------------------------------------------------------------------------
void Parser::ParseLV3MeshVertexListBlock(
unsigned int iNumVertices, ASE::Mesh& mesh)
{
@@ -989,14 +1173,9 @@ void Parser::ParseLV3MeshVertexListBlock(
}
}
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
else if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -1037,12 +1216,7 @@ void Parser::ParseLV3MeshFaceListBlock(unsigned int iNumFaces, ASE::Mesh& mesh)
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -1091,12 +1265,7 @@ void Parser::ParseLV3MeshTListBlock(unsigned int iNumVertices,
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -1143,12 +1312,7 @@ void Parser::ParseLV3MeshTFaceListBlock(unsigned int iNumFaces,
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -1205,12 +1369,7 @@ void Parser::ParseLV3MappingChannel(unsigned int iChannel, ASE::Mesh& mesh)
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -1253,12 +1412,7 @@ void Parser::ParseLV3MeshCListBlock(unsigned int iNumVertices, ASE::Mesh& mesh)
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -1304,12 +1458,7 @@ void Parser::ParseLV3MeshCFaceListBlock(unsigned int iNumFaces, ASE::Mesh& mesh)
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
else if ('\0' == *this->m_szFile)
{
@@ -1356,12 +1505,7 @@ void Parser::ParseLV3MeshNormalListBlock(ASE::Mesh& sMesh)
if ('{' == *this->m_szFile)iDepth++;
if ('}' == *this->m_szFile)
{
if (0 == --iDepth)
{
++this->m_szFile;
this->SkipToNextToken();
return;
}
if (0 == --iDepth){++this->m_szFile;this->SkipToNextToken();return;}
}
// seems we have reached the end of the file ...
else if ('\0' == *this->m_szFile)
@@ -1432,7 +1576,7 @@ __EARTHQUAKE_XXL:
if ('*' == *this->m_szFile)break;
if (IsLineEnd(*this->m_szFile))
{
this->iLineNumber++;
//this->iLineNumber++;
return;
}
this->m_szFile++;
@@ -1446,9 +1590,13 @@ __EARTHQUAKE_XXL:
BLUBB("Unable to parse *MESH_SMOOTHING Element: Unexpected EOL. Smoothing group(s) expected [#5]")
// parse smoothing groups until we don_t anymore see commas
// FIX: There needn't always be a value, sad but true
while (true)
{
out.iSmoothGroup |= (1 << strtol10(this->m_szFile,&this->m_szFile));
if (*this->m_szFile < '9' && *this->m_szFile >= '0')
{
out.iSmoothGroup |= (1 << strtol10(this->m_szFile,&this->m_szFile));
}
SkipSpaces(this->m_szFile,&this->m_szFile);
if (',' != *this->m_szFile)
{
@@ -1465,7 +1613,7 @@ __EARTHQUAKE_XXL:
if ('*' == *this->m_szFile)break;
if (IsLineEnd(*this->m_szFile))
{
this->iLineNumber++;
//this->iLineNumber++;
return;
}
this->m_szFile++;
@@ -1478,7 +1626,7 @@ __EARTHQUAKE_XXL:
BLUBB("Unable to parse *MESH_MTLID Element: Unexpected EOL. Material index expected [#6]")
out.iMaterial = strtol10(this->m_szFile,&this->m_szFile);
}
this->SkipToNextToken();
//this->SkipToNextToken();
return;
}
// ------------------------------------------------------------------------------------------------
@@ -1519,7 +1667,7 @@ void Parser::ParseLV4MeshLongTriple(unsigned int* apOut)
}
apOut[2] = strtol10(this->m_szFile,&this->m_szFile);
// go to the next valid sequence
SkipSpacesAndLineEnd(this->m_szFile,&this->m_szFile);
//SkipSpacesAndLineEnd(this->m_szFile,&this->m_szFile);
}
// ------------------------------------------------------------------------------------------------
void Parser::ParseLV4MeshLongTriple(unsigned int* apOut, unsigned int& rIndexOut)
@@ -1603,7 +1751,7 @@ void Parser::ParseLV4MeshFloatTriple(float* apOut)
// parse the third float
this->m_szFile = fast_atof_move(this->m_szFile,apOut[2]);
// go to the next valid sequence
this->SkipToNextToken();
//this->SkipToNextToken();
return;
}
// ------------------------------------------------------------------------------------------------
@@ -1621,7 +1769,7 @@ void Parser::ParseLV4MeshFloat(float& fOut)
// parse the first float
this->m_szFile = fast_atof_move(this->m_szFile,fOut);
// go to the next valid sequence
this->SkipToNextToken();
//this->SkipToNextToken();
return;
}
// ------------------------------------------------------------------------------------------------
@@ -1639,6 +1787,6 @@ void Parser::ParseLV4MeshLong(unsigned int& iOut)
// parse the value
iOut = strtol10(this->m_szFile,&this->m_szFile);
// go to the next valid sequence
this->SkipToNextToken();
//this->SkipToNextToken();
return;
}