IShader* WINAPI QERApp_Shader_ForName(const char* name)
{
//++timo FIXME: do we allow NULL and "" calling?
// how does it deal with notexture? can we simply replace by "textures/radiant/notex"?
if (name == NULL || strlen(name) == 0)
{
Sys_Printf("FIXME: name == NULL || strlen(name) == 0 in QERApp_Shader_ForName\n");
return QERApp_Shader_ForName("radiant/notex"); //++timo ???
}
// entities that should be represented with plain colors instead of textures
// request a texture name with (r g b) (it's stored in their class_t)
if (name[0]=='(')
{
return QERApp_ColorShader_ForName(name);
}
CShader* pShader = static_cast<CShader*>(QERApp_Try_Shader_ForName( name ));
if (pShader)
{
pShader->SetDisplayed( true );
return pShader;
}
// we don't know this shader, maybe it's a straight texture
pShader = new CShader;
pShader->CreateDefault( name );
// hook it into the shader list
g_Shaders.Add( (LPVOID)pShader );
pShader->IncRef();
// if it can't find the texture, "textures/radiant/notex" will be used
pShader->Activate();
pShader->SetDisplayed( true );
return pShader;
}
IShader *WINAPI QERApp_ColorShader_ForName( const char *name ){
CShader *pShader = new CShader();
pShader->CreateColor( name );
// hook it into the shader list
pShader->IncRef();
g_Shaders.Add( (void *) pShader );
return pShader;
}
void WINAPI QERApp_LoadShaderFile (const char* filename)
{
char* pBuff = NULL;
int nSize = LoadFile(filename, reinterpret_cast<void**>(&pBuff));
if (nSize == -1)
nSize = PakLoadAnyFile(filename, reinterpret_cast<void**>(&pBuff));
if (nSize > 0)
{
Sys_Printf("Parsing shaderfile %s\n", filename);
StartTokenParsing(pBuff);
while (GetToken(true))
{
// first token should be the path + name.. (from base)
CShader *pShader = new CShader();
// we want the relative filename only, it's easier for later lookup .. see QERApp_ReloadShaderFile
char cTmp[1024];
QE_ConvertDOSToUnixName( cTmp, filename );
pShader->setShaderFileName( filename + strlen(ValueForKey(g_qeglobals.d_project_entity, "basepath")) + 1);
if (pShader->Parse())
{
// do we already have this shader?
//++timo NOTE: this may a bit slow, we may need to use a map instead of a dumb list
if (g_Shaders.Shader_ForName( pShader->getName() ) != NULL)
{
Sys_Printf( "WARNING: shader %s is already in memory, definition in %s ignored.\n", pShader->getName(), filename );
delete pShader;
}
else
{
pShader->IncRef();
g_Shaders.Add( (LPVOID)pShader );
int n = g_PrefsDlg.m_nShader;
if ((g_PrefsDlg.m_nShader == CPrefsDlg::SHADER_ALL) || (g_PrefsDlg.m_nShader == CPrefsDlg::SHADER_COMMON && strstr(pShader->getName(), "common" )))
// load the qtexture and display in tex wnd
pShader->Activate();
}
}
else
{
Sys_Printf("Error parsing shader %s\n", pShader->getName());
delete pShader;
}
}
free (pBuff);
}
else
{
Sys_Printf("Unabled to read shaderfile %s\n", filename);
}
}
void WINAPI QERApp_LoadShaderFile (const char *filename)
{
char *pBuff;
int nSize = vfsLoadFile (filename, reinterpret_cast < void **>(&pBuff), 0);
if (nSize > 0)
{
Sys_Printf ("Parsing shaderfile %s\n", filename);
g_ScripLibTable.m_pfnStartTokenParsing (pBuff);
while (g_ScripLibTable.m_pfnGetToken (true))
{
// first token should be the path + name.. (from base)
CShader *pShader = new CShader ();
// we want the relative filename only, it's easier for later lookup .. see QERApp_ReloadShaderFile
char cTmp[1024];
g_FuncTable.m_pfnQE_ConvertDOSToUnixName (cTmp, filename);
// given the vfs, we should not store the full path
//pShader->setShaderFileName( filename + strlen(ValueForKey(g_qeglobals.d_project_entity, "basepath")));
pShader->setShaderFileName (filename);
if (pShader->Parse ())
{
// do we already have this shader?
//++timo NOTE: this may a bit slow, we may need to use a map instead of a dumb list
if (g_Shaders.Shader_ForName (pShader->getName ()) != NULL)
{
#ifdef _DEBUG
Sys_Printf ("WARNING: shader %s is already in memory, definition in %s ignored.\n",
pShader->getName (), filename);
#endif
delete pShader;
}
else
{
pShader->IncRef ();
g_Shaders.Add ((void *) pShader);
}
}
else
{
Sys_Printf ("Error parsing shader %s\n", pShader->getName ());
delete pShader;
}
}
vfsFreeFile (pBuff);
}
else
{
Sys_Printf ("Unable to read shaderfile %s\n", filename);
}
}
IShader *WINAPI QERApp_CreateShader_ForTextureName( const char *name ){
CShader *pShader;
pShader = new CShader;
// CreateDefault expects a texture / shader name relative to the "textures" directory
// (cause shader names are reletive to "textures/")
pShader->CreateDefault( name );
// hook it into the shader list
g_Shaders.Add( (void *) pShader );
pShader->IncRef();
// if it can't find the texture, SHADER_NOT_FOUND will be used
// Hydra: display an error message, so the user can quickly find a list of missing
// textures by looking at the console.
if ( !pShader->Activate() ) {
Sys_Printf( "WARNING: Activate shader failed for %s\n",pShader->getName() );
}
pShader->SetDisplayed( true );
return pShader;
}
