ResourceBase ResourceManager::find(const Torque::Path &path)
{
#ifdef TORQUE_DEBUG_RES_MANAGER
Con::printf( "ResourceManager::find : [%s]", path.getFullPath().c_str() );
#endif
ResourceHeaderMap::Iterator iter = mResourceHeaderMap.find( path.getFullPath() );
if ( iter == mResourceHeaderMap.end() )
return ResourceBase();
ResourceHeaderMap::Pair &pair = *iter;
ResourceBase::Header *header = pair.value;
return ResourceBase(header);
}
void ResourceManager::reloadResource( const Torque::Path &path, bool showMessage )
{
if ( showMessage )
Con::warnf( "[ResourceManager::notifiedFileChanged] : File changed [%s]", path.getFullPath().c_str() );
ResourceHeaderMap::Iterator iter = mResourceHeaderMap.find( path.getFullPath() );
if ( iter != mResourceHeaderMap.end() )
{
ResourceBase::Header *header = (*iter).value;
mResourceHeaderMap.erase( iter );
// Move the resource into the previous resource map.
iter = mPrevResourceHeaderMap.findOrInsert( path );
iter->value = header;
}
// Now notify users of the resource change so they
// can release and reload.
mChangeSignal.trigger( path );
}
bool MacFileSystemChangeNotifier::internalAddNotification( const Torque::Path& dir )
{
// Map the path.
Torque::Path fullFSPath = mFS->mapTo( dir );
String osPath = PathToOS( fullFSPath );
// Create event stream.
Event* event = new Event;
CFStringRef path = CFStringCreateWithCharacters( NULL, osPath.utf16(), osPath.numChars() );
CFArrayRef paths = CFArrayCreate( NULL, ( const void** ) &path, 1, NULL );
FSEventStreamRef stream;
CFAbsoluteTime latency = 3.f;
FSEventStreamContext context;
dMemset( &context, 0, sizeof( context ) );
context.info = event;
stream = FSEventStreamCreate(
NULL,
&fsNotifyCallback,
&context,
paths,
kFSEventStreamEventIdSinceNow,
latency,
kFSEventStreamCreateFlagNone
);
event->mStream = stream;
event->mDir = dir;
event->mHasChanged = false;
mEvents.push_back( event );
// Put it in the run loop and start the stream.
FSEventStreamScheduleWithRunLoop( stream, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode );
FSEventStreamStart( stream );
CFRelease( path );
CFRelease( paths );
#ifdef DEBUG_SPEW
Platform::outputDebugString( "[MacFileSystemChangeNotifier] Added change notification %i to '%s' (full path: %s)",
mEvents.size(), dir.getFullPath().c_str(), osPath.c_str() );
#endif
return true;
}
//-----------------------------------------------------------------------------
/// Copy a texture from a KMZ to a cache. Note that the texture filename is modified
void copySketchupTexture(const Torque::Path &path, String &textureFilename)
{
if (textureFilename.isEmpty())
return;
Torque::Path texturePath(textureFilename);
texturePath.setExtension(findTextureExtension(texturePath));
String cachedTexFilename = String::ToString("%s_%s.cached",
TSShapeLoader::getShapePath().getFileName().c_str(), texturePath.getFileName().c_str());
Torque::Path cachedTexPath;
cachedTexPath.setRoot(path.getRoot());
cachedTexPath.setPath(path.getPath());
cachedTexPath.setFileName(cachedTexFilename);
cachedTexPath.setExtension(texturePath.getExtension());
FileStream *source;
FileStream *dest;
if ((source = FileStream::createAndOpen(texturePath.getFullPath(), Torque::FS::File::Read)) == NULL)
return;
if ((dest = FileStream::createAndOpen(cachedTexPath.getFullPath(), Torque::FS::File::Write)) == NULL)
{
delete source;
return;
}
dest->copyFrom(source);
delete dest;
delete source;
// Update the filename in the material
cachedTexPath.setExtension("");
textureFilename = cachedTexPath.getFullPath();
}
//-----------------------------------------------------------------------------
/// Check if an up-to-date cached DTS is available for this DAE file
bool ColladaShapeLoader::canLoadCachedDTS(const Torque::Path& path)
{
// Generate the cached filename
Torque::Path cachedPath(path);
cachedPath.setExtension("cached.dts");
// Check if a cached DTS newer than this file is available
FileTime cachedModifyTime;
if (Platform::getFileTimes(cachedPath.getFullPath(), NULL, &cachedModifyTime))
{
bool forceLoadDAE = Con::getBoolVariable("$collada::forceLoadDAE", false);
FileTime daeModifyTime;
if (!Platform::getFileTimes(path.getFullPath(), NULL, &daeModifyTime) ||
(!forceLoadDAE && (Platform::compareFileTimes(cachedModifyTime, daeModifyTime) >= 0) ))
{
// DAE not found, or cached DTS is newer
return true;
}
}
return false;
}
bool MacFileSystemChangeNotifier::internalRemoveNotification( const Torque::Path& dir )
{
for( U32 i = 0, num = mEvents.size(); i < num; ++ i )
if( mEvents[ i ]->mDir == dir )
{
#ifdef DEBUG_SPEW
Platform::outputDebugString( "[MacFileSystemChangeNotifier] Removing change notification %i from '%s'",
i + 1, dir.getFullPath().c_str() );
#endif
FSEventStreamStop( mEvents[ i ]->mStream );
FSEventStreamInvalidate( mEvents[ i ]->mStream );
FSEventStreamRelease( mEvents[ i ]->mStream );
SAFE_DELETE( mEvents[ i ] );
mEvents.erase( i );
return true;
}
return false;
}
static S32 buildFileList(const char* pattern, bool recurse, bool multiMatch)
{
static const String sSlash( "/" );
sgFindFilesResults.clear();
String sPattern(Torque::Path::CleanSeparators(pattern));
if(sPattern.isEmpty())
{
Con::errorf("findFirstFile() requires a search pattern");
return -1;
}
if(!Con::expandScriptFilename(sgScriptFilenameBuffer, sizeof(sgScriptFilenameBuffer), sPattern.c_str()))
{
Con::errorf("findFirstFile() given initial directory cannot be expanded: '%s'", pattern);
return -1;
}
sPattern = String::ToString(sgScriptFilenameBuffer);
String::SizeType slashPos = sPattern.find('/', 0, String::Right);
// if(slashPos == String::NPos)
// {
// Con::errorf("findFirstFile() missing search directory or expression: '%s'", sPattern.c_str());
// return -1;
// }
// Build the initial search path
Torque::Path givenPath(Torque::Path::CompressPath(sPattern));
givenPath.setFileName("*");
givenPath.setExtension("*");
if(givenPath.getPath().length() > 0 && givenPath.getPath().find('*', 0, String::Right) == givenPath.getPath().length()-1)
{
// Deal with legacy searches of the form '*/*.*'
String suspectPath = givenPath.getPath();
String::SizeType newLen = suspectPath.length()-1;
if(newLen > 0 && suspectPath.find('/', 0, String::Right) == suspectPath.length()-2)
{
--newLen;
}
givenPath.setPath(suspectPath.substr(0, newLen));
}
Torque::FS::FileSystemRef fs = Torque::FS::GetFileSystem(givenPath);
//Torque::Path path = fs->mapTo(givenPath);
Torque::Path path = givenPath;
// Make sure that we have a root so the correct file system can be determined when using zips
if(givenPath.isRelative())
path = Torque::Path::Join(Torque::FS::GetCwd(), '/', givenPath);
path.setFileName(String::EmptyString);
path.setExtension(String::EmptyString);
if(!Torque::FS::IsDirectory(path))
{
Con::errorf("findFirstFile() invalid initial search directory: '%s'", path.getFullPath().c_str());
return -1;
}
// Build the search expression
const String expression(slashPos != String::NPos ? sPattern.substr(slashPos+1) : sPattern);
if(expression.isEmpty())
{
Con::errorf("findFirstFile() requires a search expression: '%s'", sPattern.c_str());
return -1;
}
S32 results = Torque::FS::FindByPattern(path, expression, recurse, sgFindFilesResults, multiMatch );
if(givenPath.isRelative() && results > 0)
{
// Strip the CWD out of the returned paths
// MakeRelativePath() returns incorrect results (it adds a leading ..) so doing this the dirty way
const String cwd = Torque::FS::GetCwd().getFullPath();
for(S32 i = 0;i < sgFindFilesResults.size();++i)
{
String str = sgFindFilesResults[i];
if(str.compare(cwd, cwd.length(), String::NoCase) == 0)
str = str.substr(cwd.length());
sgFindFilesResults[i] = str;
}
}
return results;
}
char* GFXGLShader::_handleIncludes( const Torque::Path& path, FileStream *s )
{
// TODO: The #line pragma on GLSL takes something called a
// "source-string-number" which it then never explains.
//
// Until i resolve this mystery i disabled this.
//
//String linePragma = String::ToString( "#line 1 \r\n");
//U32 linePragmaLen = linePragma.length();
U32 shaderLen = s->getStreamSize();
char* buffer = (char*)dMalloc(shaderLen + 1);
//dStrncpy( buffer, linePragma.c_str(), linePragmaLen );
s->read(shaderLen, buffer);
buffer[shaderLen] = 0;
char* p = dStrstr(buffer, "#include");
while(p)
{
char* q = p;
p += 8;
if(dIsspace(*p))
{
U32 n = 0;
while(dIsspace(*p)) ++p;
AssertFatal(*p == '"', "Bad #include directive");
++p;
static char includeFile[256];
while(*p != '"')
{
AssertFatal(*p != 0, "Bad #include directive");
includeFile[n++] = *p++;
AssertFatal(n < sizeof(includeFile), "#include directive too long");
}
++p;
includeFile[n] = 0;
// First try it as a local file.
Torque::Path includePath = Torque::Path::Join(path.getPath(), '/', includeFile);
includePath = Torque::Path::CompressPath(includePath);
FileStream includeStream;
if ( !includeStream.open( includePath, Torque::FS::File::Read ) )
{
// Try again assuming the path is absolute
// and/or relative.
includePath = String( includeFile );
includePath = Torque::Path::CompressPath(includePath);
if ( !includeStream.open( includePath, Torque::FS::File::Read ) )
{
AssertISV(false, avar("failed to open include '%s'.", includePath.getFullPath().c_str()));
if ( smLogErrors )
Con::errorf( "GFXGLShader::_handleIncludes - Failed to open include '%s'.",
includePath.getFullPath().c_str() );
// Fail... don't return the buffer.
dFree(buffer);
return NULL;
}
}
char* includedText = _handleIncludes(includePath, &includeStream);
// If a sub-include fails... cleanup and return.
if ( !includedText )
{
dFree(buffer);
return NULL;
}
// TODO: Disabled till this is fixed correctly.
//
// Count the number of lines in the file
// before the include.
/*
U32 includeLine = 0;
{
char* nl = dStrstr( buffer, "\n" );
while ( nl )
{
includeLine++;
nl = dStrstr( nl, "\n" );
if(nl) ++nl;
}
}
*/
String manip(buffer);
manip.erase(q-buffer, p-q);
String sItx(includedText);
// TODO: Disabled till this is fixed correctly.
//
// Add a new line pragma to restore the proper
// file and line number after the include.
//sItx += String::ToString( "\r\n#line %d \r\n", includeLine );
dFree(includedText);
manip.insert(q-buffer, sItx);
char* manipBuf = dStrdup(manip.c_str());
p = manipBuf + (p - buffer);
dFree(buffer);
buffer = manipBuf;
}
p = dStrstr(p, "#include");
}
return buffer;
}
bool GFXGLShader::_loadShaderFromStream( GLuint shader,
const Torque::Path &path,
FileStream *s,
const Vector<GFXShaderMacro> ¯os )
{
Vector<char*> buffers;
Vector<U32> lengths;
// The GLSL version declaration must go first!
const char *versionDecl = "#version 150\r\n";
buffers.push_back( dStrdup( versionDecl ) );
lengths.push_back( dStrlen( versionDecl ) );
if(GFXGL->mCapabilities.shaderModel5)
{
const char *extension = "#extension GL_ARB_gpu_shader5 : enable\r\n";
buffers.push_back( dStrdup( extension ) );
lengths.push_back( dStrlen( extension ) );
}
const char *newLine = "\r\n";
buffers.push_back( dStrdup( newLine ) );
lengths.push_back( dStrlen( newLine ) );
// Now add all the macros.
for( U32 i = 0; i < macros.size(); i++ )
{
if(macros[i].name.isEmpty()) // TODO OPENGL
continue;
String define = String::ToString( "#define %s %s\n", macros[i].name.c_str(), macros[i].value.c_str() );
buffers.push_back( dStrdup( define.c_str() ) );
lengths.push_back( define.length() );
}
// Now finally add the shader source.
U32 shaderLen = s->getStreamSize();
char *buffer = _handleIncludes(path, s);
if ( !buffer )
return false;
buffers.push_back(buffer);
lengths.push_back(shaderLen);
glShaderSource(shader, buffers.size(), (const GLchar**)const_cast<const char**>(buffers.address()), NULL);
#if defined(TORQUE_DEBUG) && defined(TORQUE_DEBUG_GFX)
FileStream stream;
if ( !stream.open( path.getFullPath()+"_DEBUG", Torque::FS::File::Write ) )
{
AssertISV(false, avar("GFXGLShader::initShader - failed to write debug shader '%s'.", path.getFullPath().c_str()));
}
for(int i = 0; i < buffers.size(); ++i)
stream.writeText(buffers[i]);
#endif
// Cleanup the shader source buffer.
for ( U32 i=0; i < buffers.size(); i++ )
dFree( buffers[i] );
glCompileShader(shader);
return true;
}
bool GFXD3D9Shader::_compileShader( const Torque::Path &filePath,
const String& target,
const D3DXMACRO *defines,
GenericConstBufferLayout* bufferLayoutF,
GenericConstBufferLayout* bufferLayoutI,
Vector<GFXShaderConstDesc> &samplerDescriptions )
{
PROFILE_SCOPE( GFXD3D9Shader_CompileShader );
HRESULT res = D3DERR_INVALIDCALL;
LPD3DXBUFFER code = NULL;
LPD3DXBUFFER errorBuff = NULL;
#ifdef TORQUE_DEBUG
U32 flags = D3DXSHADER_DEBUG;
#else
U32 flags = 0;
#endif
#ifdef TORQUE_OS_XENON
flags |= D3DXSHADER_PREFER_FLOW_CONTROL;
#endif
#ifdef D3DXSHADER_USE_LEGACY_D3DX9_31_DLL
if( D3DX_SDK_VERSION >= 32 )
{
// will need to use old compiler for 1_1 shaders - check for pixel
// or vertex shader with appropriate version.
if ((target.compare("vs1", 3) == 0) || (target.compare("vs_1", 4) == 0))
flags |= D3DXSHADER_USE_LEGACY_D3DX9_31_DLL;
if ((target.compare("ps1", 3) == 0) || (target.compare("ps_1", 4) == 0))
flags |= D3DXSHADER_USE_LEGACY_D3DX9_31_DLL;
}
#endif
#if !defined(TORQUE_OS_XENON) && (D3DX_SDK_VERSION <= 40)
#error This version of the DirectX SDK is too old. Please install a newer version of the DirectX SDK: http://msdn.microsoft.com/en-us/directx/default.aspx
#endif
ID3DXConstantTable* table = NULL;
static String sHLSLStr( "hlsl" );
static String sOBJStr( "obj" );
// Is it an HLSL shader?
if ( filePath.getExtension().equal(sHLSLStr, String::NoCase) )
{
FrameAllocatorMarker fam;
char *buffer = NULL;
// Set this so that the D3DXInclude::Open will have this
// information for relative paths.
smD3DXInclude->setPath( filePath.getRootAndPath() );
FileStream s;
if ( !s.open( filePath, Torque::FS::File::Read ) )
{
AssertISV(false, avar("GFXD3D9Shader::initShader - failed to open shader '%s'.", filePath.getFullPath().c_str()));
if ( smLogErrors )
Con::errorf( "GFXD3D9Shader::_compileShader - Failed to open shader file '%s'.",
filePath.getFullPath().c_str() );
return false;
}
// Convert the path which might have virtualized
// mount paths to a real file system path.
Torque::Path realPath;
if ( !FS::GetFSPath( filePath, realPath ) )
realPath = filePath;
// Add a #line pragma so that error and warning messages
// returned by the HLSL compiler report the right file.
String linePragma = String::ToString( "#line 1 \"%s\"\r\n", realPath.getFullPath().c_str() );
U32 linePragmaLen = linePragma.length();
U32 bufSize = s.getStreamSize();
buffer = (char *)fam.alloc( bufSize + linePragmaLen + 1 );
dStrncpy( buffer, linePragma.c_str(), linePragmaLen );
s.read( bufSize, buffer + linePragmaLen );
buffer[bufSize+linePragmaLen] = 0;
res = GFXD3DX.D3DXCompileShader( buffer, bufSize + linePragmaLen, defines, smD3DXInclude, "main",
target, flags, &code, &errorBuff, &table );
}
// Is it a precompiled obj shader?
else if ( filePath.getExtension().equal( sOBJStr, String::NoCase ) )
{
FileStream s;
if(!s.open(filePath, Torque::FS::File::Read))
{
AssertISV(false, avar("GFXD3D9Shader::initShader - failed to open shader '%s'.", filePath.getFullPath().c_str()));
if ( smLogErrors )
Con::errorf( "GFXD3D9Shader::_compileShader - Failed to open shader file '%s'.",
filePath.getFullPath().c_str() );
return false;
}
res = GFXD3DX.D3DXCreateBuffer(s.getStreamSize(), &code);
AssertISV(res == D3D_OK, "Unable to create buffer!");
s.read(s.getStreamSize(), code->GetBufferPointer());
if (res == D3D_OK)
{
DWORD* data = (DWORD*) code->GetBufferPointer();
res = GFXD3DX.D3DXGetShaderConstantTable(data, &table);
}
}
else
{
if ( smLogErrors )
Con::errorf( "GFXD3D9Shader::_compileShader - Unsupported shader file type '%s'.",
filePath.getFullPath().c_str() );
return false;
}
if ( res != D3D_OK && smLogErrors )
Con::errorf( "GFXD3D9Shader::_compileShader - Error compiling shader: %s: %s (%x)",
DXGetErrorStringA(res), DXGetErrorDescriptionA(res), res );
if ( errorBuff )
{
// remove \n at end of buffer
U8 *buffPtr = (U8*) errorBuff->GetBufferPointer();
U32 len = dStrlen( (const char*) buffPtr );
buffPtr[len-1] = '\0';
if( res != D3D_OK )
{
if ( smLogErrors )
Con::errorf( " %s", (const char*) errorBuff->GetBufferPointer() );
}
else
{
if ( smLogWarnings )
Con::warnf( "%s", (const char*) errorBuff->GetBufferPointer() );
}
}
else if ( code == NULL && smLogErrors )
Con::errorf( "GFXD3D9Shader::_compileShader - no compiled code produced; possibly missing file '%s'.",
filePath.getFullPath().c_str() );
// Create the proper shader if we have code
if( code != NULL )
{
#ifndef TORQUE_SHIPPING
LPD3DXBUFFER disassem = NULL;
D3DXDisassembleShader( (DWORD*)code->GetBufferPointer(), false, NULL, &disassem );
mDissasembly = (const char*)disassem->GetBufferPointer();
SAFE_RELEASE( disassem );
if ( gDisassembleAllShaders )
{
String filename = filePath.getFullPath();
filename.replace( ".hlsl", "_dis.txt" );
FileStream *fstream = FileStream::createAndOpen( filename, Torque::FS::File::Write );
if ( fstream )
{
fstream->write( mDissasembly );
fstream->close();
delete fstream;
}
}
#endif
if (target.compare("ps_", 3) == 0)
res = mD3D9Device->CreatePixelShader( (DWORD*)code->GetBufferPointer(), &mPixShader );
else
res = mD3D9Device->CreateVertexShader( (DWORD*)code->GetBufferPointer(), &mVertShader );
if (res == S_OK)
_getShaderConstants(table, bufferLayoutF, bufferLayoutI, samplerDescriptions);
#ifdef TORQUE_ENABLE_CSF_GENERATION
// Ok, we've got a valid shader and constants, let's write them all out.
if ( !_saveCompiledOutput(filePath, code, bufferLayoutF, bufferLayoutI) && smLogErrors )
Con::errorf( "GFXD3D9Shader::_compileShader - Unable to save shader compile output for: %s",
filePath.getFullPath().c_str() );
#endif
SAFE_RELEASE(table);
if ( res != S_OK && smLogErrors )
Con::errorf( "GFXD3D9Shader::_compileShader - Unable to create shader for '%s'.",
filePath.getFullPath().c_str() );
}
bool result = code != NULL && res == S_OK;
SAFE_RELEASE( code );
SAFE_RELEASE( errorBuff );
return result;
}
void TerrainFile::_loadLegacy( FileStream &stream )
{
// Some legacy constants.
enum
{
MaterialGroups = 8,
BlockSquareWidth = 256,
};
const U32 sampleCount = BlockSquareWidth * BlockSquareWidth;
mSize = BlockSquareWidth;
// Load the heightmap.
mHeightMap.setSize( sampleCount );
for ( U32 i=0; i < mHeightMap.size(); i++ )
stream.read( &mHeightMap[i] );
// Prior to version 7 we stored this weird material struct.
const U32 MATERIAL_GROUP_MASK = 0x7;
struct Material
{
enum Flags
{
Plain = 0,
Rotate = 1,
FlipX = 2,
FlipXRotate = 3,
FlipY = 4,
FlipYRotate = 5,
FlipXY = 6,
FlipXYRotate = 7,
RotateMask = 7,
Empty = 8,
Modified = BIT(7),
// must not clobber TerrainFile::MATERIAL_GROUP_MASK bits!
PersistMask = BIT(7)
};
U8 flags;
U8 index;
};
// Temp locals for loading before we convert to the new
// version 7+ format.
U8 baseMaterialMap[sampleCount] = { 0 };
U8 *materialAlphaMap[MaterialGroups] = { 0 };
Material materialMap[BlockSquareWidth * BlockSquareWidth];
// read the material group map and flags...
dMemset(materialMap, 0, sizeof(materialMap));
AssertFatal(!(Material::PersistMask & MATERIAL_GROUP_MASK),
"Doh! We have flag clobberage...");
for (S32 j=0; j < sampleCount; j++)
{
U8 val;
stream.read(&val);
//
baseMaterialMap[j] = val & MATERIAL_GROUP_MASK;
materialMap[j].flags = val & Material::PersistMask;
}
// Load the material names.
Vector<String> materials;
for ( U32 i=0; i < MaterialGroups; i++ )
{
String matName;
stream.read( &matName );
if ( matName.isEmpty() )
continue;
if ( mFileVersion > 3 && mFileVersion < 6 )
{
// Between version 3 and 5 we store the texture file names
// relative to the terrain file. We restore the full path
// here so that we can create a TerrainMaterial from it.
materials.push_back( Torque::Path::CompressPath( mFilePath.getRoot() + mFilePath.getPath() + '/' + matName ) );
}
else
materials.push_back( matName );
}
if ( mFileVersion <= 3 )
{
GFXTexHandle terrainMat;
Torque::Path matRelPath;
// Try to automatically fix up our material file names
for (U32 i = 0; i < materials.size(); i++)
{
if ( materials[i].isEmpty() )
continue;
terrainMat.set( materials[i], &GFXDefaultPersistentProfile, avar( "%s() - (line %d)", __FUNCTION__, __LINE__ ) );
if ( terrainMat )
continue;
matRelPath = materials[i];
String path = matRelPath.getPath();
String::SizeType n = path.find( '/', 0, String::NoCase );
if ( n != String::NPos )
{
matRelPath.setPath( String(Con::getVariable( "$defaultGame" )) + path.substr( n, path.length() - n ) );
terrainMat.set( matRelPath, &GFXDefaultPersistentProfile, avar( "%s() - (line %d)", __FUNCTION__, __LINE__ ) );
if ( terrainMat )
{
materials[i] = matRelPath.getFullPath();
mNeedsResaving = true;
}
}
} // for (U32 i = 0; i < TerrainBlock::MaterialGroups; i++)
} // if ( mFileVersion <= 3 )
if ( mFileVersion == 1 )
{
for( S32 j = 0; j < sampleCount; j++ )
{
if ( materialAlphaMap[baseMaterialMap[j]] == NULL )
{
materialAlphaMap[baseMaterialMap[j]] = new U8[sampleCount];
dMemset(materialAlphaMap[baseMaterialMap[j]], 0, sampleCount);
}
materialAlphaMap[baseMaterialMap[j]][j] = 255;
}
}
else
{
for( S32 k=0; k < materials.size(); k++ )
{
AssertFatal(materialAlphaMap[k] == NULL, "Bad assumption. There should be no alpha map at this point...");
materialAlphaMap[k] = new U8[sampleCount];
stream.read(sampleCount, materialAlphaMap[k]);
}
}
// Throw away the old texture and heightfield scripts.
if ( mFileVersion >= 3 )
{
U32 len;
stream.read(&len);
char *textureScript = (char *)dMalloc(len + 1);
stream.read(len, textureScript);
dFree( textureScript );
stream.read(&len);
char *heightfieldScript = (char *)dMalloc(len + 1);
stream.read(len, heightfieldScript);
dFree( heightfieldScript );
}
// Load and throw away the old edge terrain paths.
if ( mFileVersion >= 5 )
{
stream.readSTString(true);
stream.readSTString(true);
}
U32 layerCount = materials.size() - 1;
// Ok... time to convert all this mess to the layer index map!
for ( U32 i=0; i < sampleCount; i++ )
{
// Find the greatest layer.
U32 layer = 0;
U32 lastValue = 0;
for ( U32 k=0; k < MaterialGroups; k++ )
{
if ( materialAlphaMap[k] && materialAlphaMap[k][i] > lastValue )
{
layer = k;
lastValue = materialAlphaMap[k][i];
}
}
// Set the layer index.
mLayerMap[i] = getMin( layer, layerCount );
}
// Cleanup.
for ( U32 i=0; i < MaterialGroups; i++ )
delete [] materialAlphaMap[i];
// Force resaving on these old file versions.
//mNeedsResaving = false;
// Resolve the TerrainMaterial objects from the names.
_resolveMaterials( materials );
}