//
// Shaders Manager Plugin
//
-// Leonardo Zide (leo@lokigames.com)
+// Leonardo Zide ( leo@lokigames.com )
//
-// standard headers
+#include "defaults.h"
+#include "shaders.h"
+#include "globaldefs.h"
+
#include <stdio.h>
#include <stdlib.h>
-#include "plugin.h"
-#include "mathlib.h"
-#include "missing.h" //++timo FIXME: this one is intended to go away some day, it's MFC compatibility classes
-#include "shaders.h"
+#include <map>
+#include <list>
+
+#include "ifilesystem.h"
+#include "ishaders.h"
+#include "iscriplib.h"
+#include "itextures.h"
+#include "qerplugin.h"
+#include "irender.h"
+
+#include <glib.h>
+
+#include "debugging/debugging.h"
+#include "string/pooledstring.h"
+#include "math/vector.h"
+#include "generic/callback.h"
+#include "generic/referencecounted.h"
+#include "stream/memstream.h"
+#include "stream/stringstream.h"
+#include "stream/textfilestream.h"
+#include "os/path.h"
+#include "os/dir.h"
+#include "os/file.h"
+#include "stringio.h"
+#include "shaderlib.h"
+#include "texturelib.h"
+#include "cmdlib.h"
+#include "moduleobservers.h"
+#include "archivelib.h"
+#include "imagelib.h"
+
+const char* g_shadersExtension = "";
+const char* g_shadersDirectory = "";
+bool g_enableDefaultShaders = true;
+ShaderLanguage g_shaderLanguage = SHADERLANGUAGE_QUAKE3;
+bool g_useShaderList = true;
+_QERPlugImageTable* g_bitmapModule = 0;
+const char* g_texturePrefix = DEFAULT_TEXTURE_DIRNAME;
+
+void ActiveShaders_IteratorBegin();
+
+bool ActiveShaders_IteratorAtEnd();
+
+IShader *ActiveShaders_IteratorCurrent();
+
+void ActiveShaders_IteratorIncrement();
+
+Callback<void()> g_ActiveShadersChangedNotify;
+
+void FreeShaders();
+
+void LoadShaderFile( const char *filename );
+
+/*!
+ NOTE TTimo: there is an important distinction between SHADER_NOT_FOUND and SHADER_NOTEX:
+ SHADER_NOT_FOUND means we didn't find the raw texture or the shader for this
+ SHADER_NOTEX means we recognize this as a shader script, but we are missing the texture to represent it
+ this was in the initial design of the shader code since early GtkRadiant alpha, and got sort of foxed in 1.2 and put back in
+ */
+
+Image* loadBitmap( void* environment, const char* name ){
+ DirectoryArchiveFile file( name, name );
+ if ( !file.failed() ) {
+ return g_bitmapModule->loadImage( file );
+ }
+ return 0;
+}
+
+inline byte* getPixel( byte* pixels, int width, int height, int x, int y ){
+ return pixels + ( ( ( ( ( y + height ) % height ) * width ) + ( ( x + width ) % width ) ) * 4 );
+}
+
+class KernelElement
+{
+public:
+int x, y;
+float w;
+};
+
+Image& convertHeightmapToNormalmap( Image& heightmap, float scale ){
+ int w = heightmap.getWidth();
+ int h = heightmap.getHeight();
+
+ Image& normalmap = *( new RGBAImage( heightmap.getWidth(), heightmap.getHeight() ) );
+
+ byte* in = heightmap.getRGBAPixels();
+ byte* out = normalmap.getRGBAPixels();
+
+#if 1
+ // no filtering
+ const int kernelSize = 2;
+ KernelElement kernel_du[kernelSize] = {
+ {-1, 0,-0.5f },
+ { 1, 0, 0.5f }
+ };
+ KernelElement kernel_dv[kernelSize] = {
+ { 0, 1, 0.5f },
+ { 0,-1,-0.5f }
+ };
+#else
+ // 3x3 Prewitt
+ const int kernelSize = 6;
+ KernelElement kernel_du[kernelSize] = {
+ {-1, 1,-1.0f },
+ {-1, 0,-1.0f },
+ {-1,-1,-1.0f },
+ { 1, 1, 1.0f },
+ { 1, 0, 1.0f },
+ { 1,-1, 1.0f }
+ };
+ KernelElement kernel_dv[kernelSize] = {
+ {-1, 1, 1.0f },
+ { 0, 1, 1.0f },
+ { 1, 1, 1.0f },
+ {-1,-1,-1.0f },
+ { 0,-1,-1.0f },
+ { 1,-1,-1.0f }
+ };
+#endif
-// some forward declarations
-IShader * WINAPI QERApp_Shader_ForName( const char *name );
-qtexture_t *WINAPI QERApp_Try_Texture_ForName( const char *name );
-qtexture_t *WINAPI QERApp_Texture_ForName2( const char *filename );
-IShader *WINAPI QERApp_ColorShader_ForName( const char *name );
-void WINAPI QERApp_LoadShaderFile( const char *filename );
+ int x, y = 0;
+ while ( y < h )
+ {
+ x = 0;
+ while ( x < w )
+ {
+ float du = 0;
+ for ( KernelElement* i = kernel_du; i != kernel_du + kernelSize; ++i )
+ {
+ du += ( getPixel( in, w, h, x + ( *i ).x, y + ( *i ).y )[0] / 255.0 ) * ( *i ).w;
+ }
+ float dv = 0;
+ for ( KernelElement* i = kernel_dv; i != kernel_dv + kernelSize; ++i )
+ {
+ dv += ( getPixel( in, w, h, x + ( *i ).x, y + ( *i ).y )[0] / 255.0 ) * ( *i ).w;
+ }
-//++timo TODO: use stl::map !! (I tried having a look to CMap but it obviously sucks)
-CShaderArray g_Shaders;
-// whenever a shader gets activated / deactivated this list is updated
-// NOTE: make sure you don't add a shader that's already in
-// NOTE: all shaders in this array are in the main g_Shaders
-CShaderArray g_ActiveShaders;
+ float nx = -du * scale;
+ float ny = -dv * scale;
+ float nz = 1.0;
+
+ // Normalize
+ float norm = 1.0 / sqrt( nx * nx + ny * ny + nz * nz );
+ out[0] = float_to_integer( ( ( nx * norm ) + 1 ) * 127.5 );
+ out[1] = float_to_integer( ( ( ny * norm ) + 1 ) * 127.5 );
+ out[2] = float_to_integer( ( ( nz * norm ) + 1 ) * 127.5 );
+ out[3] = 255;
+
+ x++;
+ out += 4;
+ }
+
+ y++;
+ }
+
+ return normalmap;
+}
+
+Image* loadHeightmap( void* environment, const char* name ){
+ Image* heightmap = GlobalTexturesCache().loadImage( name );
+ if ( heightmap != 0 ) {
+ Image& normalmap = convertHeightmapToNormalmap( *heightmap, *reinterpret_cast<float*>( environment ) );
+ heightmap->release();
+ return &normalmap;
+ }
+ return 0;
+}
+
+class ShaderPoolContext
+{
+};
+
+typedef Static<StringPool, ShaderPoolContext> ShaderPool;
+typedef PooledString<ShaderPool> ShaderString;
+typedef ShaderString ShaderVariable;
+typedef ShaderString ShaderValue;
+typedef CopiedString TextureExpression;
// clean a texture name to the qtexture_t name format we use internally
-// NOTE: there are so many cases .. this may need to get updated to cover all of them
-// we expect a "textures/" path on top, except if bAddTexture is set to true .. in case we add in needed
// NOTE: case sensitivity: the engine is case sensitive. we store the shader name with case information and save with case
// information as well. but we assume there won't be any case conflict and so when doing lookups based on shader name,
// we compare as case insensitive. That is Radiant is case insensitive, but knows that the engine is case sensitive.
//++timo FIXME: we need to put code somewhere to detect when two shaders that are case insensitive equal are present
-const char *WINAPI QERApp_CleanTextureName( const char *name, bool bAddTexture = false ){
- static char stdName[QER_MAX_NAMELEN];
-#ifdef _DEBUG
- if ( strlen( name ) > QER_MAX_NAMELEN ) {
- g_FuncTable.m_pfnSysFPrintf( SYS_WRN, "WARNING: name exceeds QER_MAX_NAMELEN in CleanTextureName\n" );
+template<typename StringType>
+void parseTextureName( StringType& name, const char* token ){
+ StringOutputStream cleaned( 256 );
+ cleaned << PathCleaned( token );
+ name = CopiedString( StringRange( cleaned.c_str(), path_get_filename_base_end( cleaned.c_str() ) ) ).c_str(); // remove extension
+}
+
+bool Tokeniser_parseTextureName( Tokeniser& tokeniser, TextureExpression& name ){
+ const char* token = tokeniser.getToken();
+ if ( token == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, token, "#texture-name" );
+ return false;
}
-#endif
+ parseTextureName( name, token );
+ return true;
+}
+
+bool Tokeniser_parseShaderName( Tokeniser& tokeniser, CopiedString& name ){
+ const char* token = tokeniser.getToken();
+ if ( token == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, token, "#shader-name" );
+ return false;
+ }
+ parseTextureName( name, token );
+ return true;
+}
- strcpy( stdName, name );
- g_FuncTable.m_pfnQE_ConvertDOSToUnixName( stdName, stdName );
- if ( stdName[strlen( name ) - 4] == '.' ) {
- // strip extension
- stdName[strlen( stdName ) - 4] = '\0';
+bool Tokeniser_parseString( Tokeniser& tokeniser, ShaderString& string ){
+ const char* token = tokeniser.getToken();
+ if ( token == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, token, "#string" );
+ return false;
}
+ string = token;
+ return true;
+}
+
+
+typedef std::list<ShaderVariable> ShaderParameters;
+typedef std::list<ShaderVariable> ShaderArguments;
+
+typedef std::pair<ShaderVariable, ShaderVariable> BlendFuncExpression;
+
+class ShaderTemplate
+{
+std::size_t m_refcount;
+CopiedString m_Name;
+CopiedString m_WadName;
+public:
+
+ShaderParameters m_params;
+
+TextureExpression m_textureName;
+TextureExpression m_diffuse;
+TextureExpression m_bump;
+ShaderValue m_heightmapScale;
+TextureExpression m_specular;
+TextureExpression m_lightFalloffImage;
+
+int m_nFlags;
+float m_fTrans;
+
+// alphafunc stuff
+IShader::EAlphaFunc m_AlphaFunc;
+float m_AlphaRef;
+// cull stuff
+IShader::ECull m_Cull;
+
+ShaderTemplate() :
+ m_refcount( 0 ){
+ m_nFlags = 0;
+ m_fTrans = 1.0f;
+}
+
+void IncRef(){
+ ++m_refcount;
+}
- if ( bAddTexture ) {
- char aux[QER_MAX_NAMELEN];
- sprintf( aux, "textures/%s", stdName );
- strcpy( stdName, aux );
+void DecRef(){
+ ASSERT_MESSAGE( m_refcount != 0, "shader reference-count going below zero" );
+ if ( --m_refcount == 0 ) {
+ delete this;
}
- return stdName;
}
-int WINAPI QERApp_GetActiveShaderCount(){
- return g_ActiveShaders.GetSize();
+std::size_t refcount(){
+ return m_refcount;
+}
+
+const char* getName() const {
+ return m_Name.c_str();
}
-IShader *WINAPI QERApp_ActiveShader_ForIndex( int i ){
- return static_cast < CShader * >( g_ActiveShaders.GetAt( i ) );
+void setName( const char* name ){
+ m_Name = name;
}
-void CShaderArray::SortShaders(){
- CPtrArray aux;
- int i, icount;
- int j, jcount;
- CShader *pSort;
- const char *sSort;
- // dumb sort .. would it ever grow big enough so we would have to do something clever? noooo
- icount = CPtrArray::GetSize();
- for ( i = 0; i < icount; i++ )
+// -----------------------------------------
+
+bool parseDoom3( Tokeniser& tokeniser );
+
+bool parseQuake3( Tokeniser& tokeniser );
+
+bool parseTemplate( Tokeniser& tokeniser );
+
+
+void CreateDefault( const char *name ){
+ if ( g_enableDefaultShaders ) {
+ m_textureName = name;
+ }
+ else
{
- pSort = static_cast < CShader * >( GetAt( i ) );
- sSort = pSort->getName();
- jcount = aux.GetSize();
- for ( j = 0; j < jcount; j++ )
- {
- if ( strcmp( sSort, static_cast < CShader * >( aux.GetAt( j ) )->getName() ) < 0 ) {
+ m_textureName = "";
+ }
+ setName( name );
+}
+
+
+class MapLayerTemplate
+{
+TextureExpression m_texture;
+BlendFuncExpression m_blendFunc;
+bool m_clampToBorder;
+ShaderValue m_alphaTest;
+public:
+MapLayerTemplate( const TextureExpression& texture, const BlendFuncExpression& blendFunc, bool clampToBorder, const ShaderValue& alphaTest ) :
+ m_texture( texture ),
+ m_blendFunc( blendFunc ),
+ m_clampToBorder( false ),
+ m_alphaTest( alphaTest ){
+}
+
+const TextureExpression& texture() const {
+ return m_texture;
+}
+
+const BlendFuncExpression& blendFunc() const {
+ return m_blendFunc;
+}
+
+bool clampToBorder() const {
+ return m_clampToBorder;
+}
+
+const ShaderValue& alphaTest() const {
+ return m_alphaTest;
+}
+};
+
+typedef std::vector<MapLayerTemplate> MapLayers;
+MapLayers m_layers;
+};
+
+
+bool Doom3Shader_parseHeightmap( Tokeniser& tokeniser, TextureExpression& bump, ShaderValue& heightmapScale ){
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "(" ) );
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseTextureName( tokeniser, bump ) );
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "," ) );
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseString( tokeniser, heightmapScale ) );
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, ")" ) );
+ return true;
+}
+
+bool Doom3Shader_parseAddnormals( Tokeniser& tokeniser, TextureExpression& bump ){
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "(" ) );
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseTextureName( tokeniser, bump ) );
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "," ) );
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "heightmap" ) );
+ TextureExpression heightmapName;
+ ShaderValue heightmapScale;
+ RETURN_FALSE_IF_FAIL( Doom3Shader_parseHeightmap( tokeniser, heightmapName, heightmapScale ) );
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, ")" ) );
+ return true;
+}
+
+bool Doom3Shader_parseBumpmap( Tokeniser& tokeniser, TextureExpression& bump, ShaderValue& heightmapScale ){
+ const char* token = tokeniser.getToken();
+ if ( token == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, token, "#bumpmap" );
+ return false;
+ }
+ if ( string_equal( token, "heightmap" ) ) {
+ RETURN_FALSE_IF_FAIL( Doom3Shader_parseHeightmap( tokeniser, bump, heightmapScale ) );
+ }
+ else if ( string_equal( token, "addnormals" ) ) {
+ RETURN_FALSE_IF_FAIL( Doom3Shader_parseAddnormals( tokeniser, bump ) );
+ }
+ else
+ {
+ parseTextureName( bump, token );
+ }
+ return true;
+}
+
+enum LayerTypeId
+{
+ LAYER_NONE,
+ LAYER_BLEND,
+ LAYER_DIFFUSEMAP,
+ LAYER_BUMPMAP,
+ LAYER_SPECULARMAP
+};
+
+class LayerTemplate
+{
+public:
+LayerTypeId m_type;
+TextureExpression m_texture;
+BlendFuncExpression m_blendFunc;
+bool m_clampToBorder;
+ShaderValue m_alphaTest;
+ShaderValue m_heightmapScale;
+
+LayerTemplate() : m_type( LAYER_NONE ), m_blendFunc( "GL_ONE", "GL_ZERO" ), m_clampToBorder( false ), m_alphaTest( "-1" ), m_heightmapScale( "0" ){
+}
+};
+
+bool parseShaderParameters( Tokeniser& tokeniser, ShaderParameters& params ){
+ Tokeniser_parseToken( tokeniser, "(" );
+ for (;; )
+ {
+ const char* param = tokeniser.getToken();
+ if ( string_equal( param, ")" ) ) {
+ break;
+ }
+ params.push_back( param );
+ const char* comma = tokeniser.getToken();
+ if ( string_equal( comma, ")" ) ) {
+ break;
+ }
+ if ( !string_equal( comma, "," ) ) {
+ Tokeniser_unexpectedError( tokeniser, comma, "," );
+ return false;
+ }
+ }
+ return true;
+}
+
+bool ShaderTemplate::parseTemplate( Tokeniser& tokeniser ){
+ m_Name = tokeniser.getToken();
+ if ( !parseShaderParameters( tokeniser, m_params ) ) {
+ globalErrorStream() << "shader template: " << makeQuoted( m_Name.c_str() ) << ": parameter parse failed\n";
+ return false;
+ }
+
+ return parseDoom3( tokeniser );
+}
+
+bool ShaderTemplate::parseDoom3( Tokeniser& tokeniser ){
+ LayerTemplate currentLayer;
+ bool isFog = false;
+
+ // we need to read until we hit a balanced }
+ int depth = 0;
+ for (;; )
+ {
+ tokeniser.nextLine();
+ const char* token = tokeniser.getToken();
+
+ if ( token == 0 ) {
+ return false;
+ }
+
+ if ( string_equal( token, "{" ) ) {
+ ++depth;
+ continue;
+ }
+ else if ( string_equal( token, "}" ) ) {
+ --depth;
+ if ( depth < 0 ) { // error
+ return false;
+ }
+ if ( depth == 0 ) { // end of shader
break;
}
+ if ( depth == 1 ) { // end of layer
+ if ( currentLayer.m_type == LAYER_DIFFUSEMAP ) {
+ m_diffuse = currentLayer.m_texture;
+ }
+ else if ( currentLayer.m_type == LAYER_BUMPMAP ) {
+ m_bump = currentLayer.m_texture;
+ }
+ else if ( currentLayer.m_type == LAYER_SPECULARMAP ) {
+ m_specular = currentLayer.m_texture;
+ }
+ else if ( !string_empty( currentLayer.m_texture.c_str() ) ) {
+ m_layers.push_back( MapLayerTemplate(
+ currentLayer.m_texture.c_str(),
+ currentLayer.m_blendFunc,
+ currentLayer.m_clampToBorder,
+ currentLayer.m_alphaTest
+ ) );
+ }
+ currentLayer.m_type = LAYER_NONE;
+ currentLayer.m_texture = "";
+ }
+ continue;
+ }
+
+ if ( depth == 2 ) { // in layer
+ if ( string_equal_nocase( token, "blend" ) ) {
+ const char* blend = tokeniser.getToken();
+
+ if ( blend == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, blend, "#blend" );
+ return false;
+ }
+
+ if ( string_equal_nocase( blend, "diffusemap" ) ) {
+ currentLayer.m_type = LAYER_DIFFUSEMAP;
+ }
+ else if ( string_equal_nocase( blend, "bumpmap" ) ) {
+ currentLayer.m_type = LAYER_BUMPMAP;
+ }
+ else if ( string_equal_nocase( blend, "specularmap" ) ) {
+ currentLayer.m_type = LAYER_SPECULARMAP;
+ }
+ else
+ {
+ currentLayer.m_blendFunc.first = blend;
+
+ const char* comma = tokeniser.getToken();
+
+ if ( comma == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, comma, "#comma" );
+ return false;
+ }
+
+ if ( string_equal( comma, "," ) ) {
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseString( tokeniser, currentLayer.m_blendFunc.second ) );
+ }
+ else
+ {
+ currentLayer.m_blendFunc.second = "";
+ tokeniser.ungetToken();
+ }
+ }
+ }
+ else if ( string_equal_nocase( token, "map" ) ) {
+ if ( currentLayer.m_type == LAYER_BUMPMAP ) {
+ RETURN_FALSE_IF_FAIL( Doom3Shader_parseBumpmap( tokeniser, currentLayer.m_texture, currentLayer.m_heightmapScale ) );
+ }
+ else
+ {
+ const char* map = tokeniser.getToken();
+
+ if ( map == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, map, "#map" );
+ return false;
+ }
+
+ if ( string_equal( map, "makealpha" ) ) {
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "(" ) );
+ const char* texture = tokeniser.getToken();
+ if ( texture == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, texture, "#texture" );
+ return false;
+ }
+ currentLayer.m_texture = texture;
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, ")" ) );
+ }
+ else
+ {
+ parseTextureName( currentLayer.m_texture, map );
+ }
+ }
+ }
+ else if ( string_equal_nocase( token, "zeroclamp" ) ) {
+ currentLayer.m_clampToBorder = true;
+ }
+#if 0
+ else if ( string_equal_nocase( token, "alphaTest" ) ) {
+ Tokeniser_getFloat( tokeniser, currentLayer.m_alphaTest );
+ }
+#endif
+ }
+ else if ( depth == 1 ) {
+ if ( string_equal_nocase( token, "qer_editorimage" ) ) {
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseTextureName( tokeniser, m_textureName ) );
+ }
+ else if ( string_equal_nocase( token, "qer_trans" ) ) {
+ m_fTrans = string_read_float( tokeniser.getToken() );
+ m_nFlags |= QER_TRANS;
+ }
+ else if ( string_equal_nocase( token, "translucent" ) ) {
+ m_fTrans = 1;
+ m_nFlags |= QER_TRANS;
+ }
+ else if ( string_equal( token, "DECAL_MACRO" ) ) {
+ m_fTrans = 1;
+ m_nFlags |= QER_TRANS;
+ }
+ else if ( string_equal_nocase( token, "bumpmap" ) ) {
+ RETURN_FALSE_IF_FAIL( Doom3Shader_parseBumpmap( tokeniser, m_bump, m_heightmapScale ) );
+ }
+ else if ( string_equal_nocase( token, "diffusemap" ) ) {
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseTextureName( tokeniser, m_diffuse ) );
+ }
+ else if ( string_equal_nocase( token, "specularmap" ) ) {
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseTextureName( tokeniser, m_specular ) );
+ }
+ else if ( string_equal_nocase( token, "twosided" ) ) {
+ m_Cull = IShader::eCullNone;
+ m_nFlags |= QER_CULL;
+ }
+ else if ( string_equal_nocase( token, "nodraw" ) ) {
+ m_nFlags |= QER_NODRAW;
+ }
+ else if ( string_equal_nocase( token, "nonsolid" ) ) {
+ m_nFlags |= QER_NONSOLID;
+ }
+ else if ( string_equal_nocase( token, "liquid" ) ) {
+ m_nFlags |= QER_LIQUID;
+ }
+ else if ( string_equal_nocase( token, "areaportal" ) ) {
+ m_nFlags |= QER_AREAPORTAL;
+ }
+ else if ( string_equal_nocase( token, "playerclip" )
+ || string_equal_nocase( token, "monsterclip" )
+ || string_equal_nocase( token, "ikclip" )
+ || string_equal_nocase( token, "moveableclip" ) ) {
+ m_nFlags |= QER_CLIP;
+ }
+ if ( string_equal_nocase( token, "fogLight" ) ) {
+ isFog = true;
+ }
+ else if ( !isFog && string_equal_nocase( token, "lightFalloffImage" ) ) {
+ const char* lightFalloffImage = tokeniser.getToken();
+ if ( lightFalloffImage == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, lightFalloffImage, "#lightFalloffImage" );
+ return false;
+ }
+ if ( string_equal_nocase( lightFalloffImage, "makeintensity" ) ) {
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "(" ) );
+ TextureExpression name;
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseTextureName( tokeniser, name ) );
+ m_lightFalloffImage = name;
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, ")" ) );
+ }
+ else
+ {
+ m_lightFalloffImage = lightFalloffImage;
+ }
+ }
}
- aux.InsertAt( j, pSort );
}
- CPtrArray::RemoveAll();
- CPtrArray::InsertAt( 0, &aux );
+
+ if ( string_empty( m_textureName.c_str() ) ) {
+ m_textureName = m_diffuse;
+ }
+
+ return true;
}
-// will sort the active shaders list by name
-// NOTE: it would be easier if the thing would stay sorted by using a map<name,CShader> thing
-//++timo FIXME: would need to export that to allow external override?
-void WINAPI QERApp_SortActiveShaders(){
- g_ActiveShaders.SortShaders();
+typedef SmartPointer<ShaderTemplate> ShaderTemplatePointer;
+typedef std::map<CopiedString, ShaderTemplatePointer> ShaderTemplateMap;
+
+ShaderTemplateMap g_shaders;
+ShaderTemplateMap g_shaderTemplates;
+
+ShaderTemplate* findTemplate( const char* name ){
+ ShaderTemplateMap::iterator i = g_shaderTemplates.find( name );
+ if ( i != g_shaderTemplates.end() ) {
+ return ( *i ).second.get();
+ }
+ return 0;
}
-// NOTE: case sensitivity
-// although we store shader names with case information, Radiant does case insensitive searches
-// (we assume there's no case conflict with the names)
-CShader *CShaderArray::Shader_ForName( const char *name ) const {
- int i;
- for ( i = 0; i < CPtrArray::GetSize(); i++ )
+class ShaderDefinition
+{
+public:
+ShaderDefinition( ShaderTemplate* shaderTemplate, const ShaderArguments& args, const char* filename )
+ : shaderTemplate( shaderTemplate ), args( args ), filename( filename ){
+}
+
+ShaderTemplate* shaderTemplate;
+ShaderArguments args;
+const char* filename;
+};
+
+typedef std::map<CopiedString, ShaderDefinition> ShaderDefinitionMap;
+
+ShaderDefinitionMap g_shaderDefinitions;
+
+bool parseTemplateInstance( Tokeniser& tokeniser, const char* filename ){
+ CopiedString name;
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseShaderName( tokeniser, name ) );
+ const char* templateName = tokeniser.getToken();
+ ShaderTemplate* shaderTemplate = findTemplate( templateName );
+ if ( shaderTemplate == 0 ) {
+ globalErrorStream() << "shader instance: " << makeQuoted( name.c_str() ) << ": shader template not found: " << makeQuoted( templateName ) << "\n";
+ }
+
+ ShaderArguments args;
+ if ( !parseShaderParameters( tokeniser, args ) ) {
+ globalErrorStream() << "shader instance: " << makeQuoted( name.c_str() ) << ": argument parse failed\n";
+ return false;
+ }
+
+ if ( shaderTemplate != 0 ) {
+ if ( !g_shaderDefinitions.insert( ShaderDefinitionMap::value_type( name, ShaderDefinition( shaderTemplate, args, filename ) ) ).second ) {
+ globalErrorStream() << "shader instance: " << makeQuoted( name.c_str() ) << ": already exists, second definition ignored\n";
+ }
+ }
+ return true;
+}
+
+
+const char* evaluateShaderValue( const char* value, const ShaderParameters& params, const ShaderArguments& args ){
+ ShaderArguments::const_iterator j = args.begin();
+ for ( ShaderParameters::const_iterator i = params.begin(); i != params.end(); ++i, ++j )
{
- CShader *pShader = static_cast < CShader * >( CPtrArray::GetAt( i ) );
- if ( stricmp( pShader->getName(), name ) == 0 ) {
- return pShader;
+ const char* other = ( *i ).c_str();
+ if ( string_equal( value, other ) ) {
+ return ( *j ).c_str();
}
}
- return NULL;
+ return value;
}
-void CShader::CreateDefault( const char *name ){
- const char *stdName = QERApp_CleanTextureName( name );
- m_strTextureName = stdName;
- setName( name );
+///\todo BlendFunc parsing
+BlendFunc evaluateBlendFunc( const BlendFuncExpression& blendFunc, const ShaderParameters& params, const ShaderArguments& args ){
+ return BlendFunc( BLEND_ONE, BLEND_ZERO );
+}
+
+qtexture_t* evaluateTexture( const TextureExpression& texture, const ShaderParameters& params, const ShaderArguments& args, const LoadImageCallback& loader = GlobalTexturesCache().defaultLoader() ){
+ StringOutputStream result( 64 );
+ const char* expression = texture.c_str();
+ const char* end = expression + string_length( expression );
+ if ( !string_empty( expression ) ) {
+ for (;; )
+ {
+ const char* best = end;
+ const char* bestParam = 0;
+ const char* bestArg = 0;
+ ShaderArguments::const_iterator j = args.begin();
+ for ( ShaderParameters::const_iterator i = params.begin(); i != params.end(); ++i, ++j )
+ {
+ const char* found = strstr( expression, ( *i ).c_str() );
+ if ( found != 0 && found < best ) {
+ best = found;
+ bestParam = ( *i ).c_str();
+ bestArg = ( *j ).c_str();
+ }
+ }
+ if ( best != end ) {
+ result << StringRange( expression, best );
+ result << PathCleaned( bestArg );
+ expression = best + string_length( bestParam );
+ }
+ else
+ {
+ break;
+ }
+ }
+ result << expression;
+ }
+ return GlobalTexturesCache().capture( loader, result.c_str() );
}
-CShader *CShaderArray::Shader_ForTextureName( const char *name ) const {
-#ifdef _DEBUG
- // check we were given a texture name that fits the qtexture_t naming conventions
- if ( strcmp( name, QERApp_CleanTextureName( name ) ) != 0 ) {
- Sys_Printf
- ( "WARNING: texture name %s doesn't fit qtexture_t conventions in CShaderArray::Shader_ForTextureName\n",
- name );
+float evaluateFloat( const ShaderValue& value, const ShaderParameters& params, const ShaderArguments& args ){
+ const char* result = evaluateShaderValue( value.c_str(), params, args );
+ float f;
+ if ( !string_parse_float( result, f ) ) {
+ globalErrorStream() << "parsing float value failed: " << makeQuoted( result ) << "\n";
}
-#endif
- int i;
- for ( i = 0; i < CPtrArray::GetSize(); i++ )
- {
- CShader *pShader = static_cast < CShader * >( CPtrArray::GetAt( i ) );
- if ( strcmp( name, QERApp_CleanTextureName( pShader->getTextureName() ) ) == 0 ) {
- return pShader;
+ return f;
+}
+
+BlendFactor evaluateBlendFactor( const ShaderValue& value, const ShaderParameters& params, const ShaderArguments& args ){
+ const char* result = evaluateShaderValue( value.c_str(), params, args );
+
+ if ( string_equal_nocase( result, "gl_zero" ) ) {
+ return BLEND_ZERO;
+ }
+ if ( string_equal_nocase( result, "gl_one" ) ) {
+ return BLEND_ONE;
+ }
+ if ( string_equal_nocase( result, "gl_src_color" ) ) {
+ return BLEND_SRC_COLOUR;
+ }
+ if ( string_equal_nocase( result, "gl_one_minus_src_color" ) ) {
+ return BLEND_ONE_MINUS_SRC_COLOUR;
+ }
+ if ( string_equal_nocase( result, "gl_src_alpha" ) ) {
+ return BLEND_SRC_ALPHA;
+ }
+ if ( string_equal_nocase( result, "gl_one_minus_src_alpha" ) ) {
+ return BLEND_ONE_MINUS_SRC_ALPHA;
+ }
+ if ( string_equal_nocase( result, "gl_dst_color" ) ) {
+ return BLEND_DST_COLOUR;
+ }
+ if ( string_equal_nocase( result, "gl_one_minus_dst_color" ) ) {
+ return BLEND_ONE_MINUS_DST_COLOUR;
+ }
+ if ( string_equal_nocase( result, "gl_dst_alpha" ) ) {
+ return BLEND_DST_ALPHA;
+ }
+ if ( string_equal_nocase( result, "gl_one_minus_dst_alpha" ) ) {
+ return BLEND_ONE_MINUS_DST_ALPHA;
+ }
+ if ( string_equal_nocase( result, "gl_src_alpha_saturate" ) ) {
+ return BLEND_SRC_ALPHA_SATURATE;
+ }
+
+ globalErrorStream() << "parsing blend-factor value failed: " << makeQuoted( result ) << "\n";
+ return BLEND_ZERO;
+}
+
+class CShader : public IShader
+{
+std::size_t m_refcount;
+
+const ShaderTemplate& m_template;
+const ShaderArguments& m_args;
+const char* m_filename;
+// name is shader-name, otherwise texture-name ( if not a real shader )
+CopiedString m_Name;
+CopiedString m_WadName;
+
+qtexture_t* m_pTexture;
+qtexture_t* m_notfound;
+qtexture_t* m_pDiffuse;
+float m_heightmapScale;
+qtexture_t* m_pBump;
+qtexture_t* m_pSpecular;
+qtexture_t* m_pLightFalloffImage;
+BlendFunc m_blendFunc;
+
+bool m_bInUse;
+
+
+public:
+static bool m_lightingEnabled;
+
+CShader( const ShaderDefinition& definition ) :
+ m_refcount( 0 ),
+ m_template( *definition.shaderTemplate ),
+ m_args( definition.args ),
+ m_filename( definition.filename ),
+ m_blendFunc( BLEND_SRC_ALPHA, BLEND_ONE_MINUS_SRC_ALPHA ),
+ m_bInUse( false ){
+ m_pTexture = 0;
+ m_pDiffuse = 0;
+ m_pBump = 0;
+ m_pSpecular = 0;
+
+ m_notfound = 0;
+
+ realise();
+}
+
+virtual ~CShader(){
+ unrealise();
+
+ ASSERT_MESSAGE( m_refcount == 0, "deleting active shader" );
+}
+
+// IShaders implementation -----------------
+void IncRef(){
+ ++m_refcount;
+}
+
+void DecRef(){
+ ASSERT_MESSAGE( m_refcount != 0, "shader reference-count going below zero" );
+ if ( --m_refcount == 0 ) {
+ delete this;
+ }
+}
+
+std::size_t refcount(){
+ return m_refcount;
+}
+
+// get/set the qtexture_t* Radiant uses to represent this shader object
+qtexture_t* getTexture() const {
+ return m_pTexture;
+}
+
+qtexture_t* getDiffuse() const {
+ return m_pDiffuse;
+}
+
+qtexture_t* getBump() const {
+ return m_pBump;
+}
+
+qtexture_t* getSpecular() const {
+ return m_pSpecular;
+}
+
+// get shader name
+const char* getName() const {
+ return m_Name.c_str();
+}
+
+const char* getWadName() const {
+ return m_WadName.c_str();
+}
+
+bool IsInUse() const {
+ return m_bInUse;
+}
+
+void SetInUse( bool bInUse ){
+ m_bInUse = bInUse;
+ g_ActiveShadersChangedNotify();
+}
+
+// get the shader flags
+int getFlags() const {
+ return m_template.m_nFlags;
+}
+
+// get the transparency value
+float getTrans() const {
+ return m_template.m_fTrans;
+}
+
+// test if it's a true shader, or a default shader created to wrap around a texture
+bool IsDefault() const {
+ return string_empty( m_filename );
+}
+
+// get the alphaFunc
+void getAlphaFunc( EAlphaFunc *func, float *ref ) { *func = m_template.m_AlphaFunc; *ref = m_template.m_AlphaRef; };
+BlendFunc getBlendFunc() const {
+ return m_blendFunc;
+}
+
+// get the cull type
+ECull getCull(){
+ return m_template.m_Cull;
+};
+
+// get shader file name ( ie the file where this one is defined )
+const char* getShaderFileName() const {
+ return m_filename;
+}
+// -----------------------------------------
+
+void realise(){
+ m_pTexture = evaluateTexture( m_template.m_textureName, m_template.m_params, m_args );
+
+ if ( m_pTexture->texture_number == 0 ) {
+ m_notfound = m_pTexture;
+
+ {
+ m_pTexture = GlobalTexturesCache().capture( IsDefault() ? DEFAULT_NOTEX_NAME : DEFAULT_SHADERNOTEX_NAME );
}
}
- return NULL;
+
+ realiseLighting();
}
-IShader *WINAPI QERApp_ActiveShader_ForTextureName( char *name ){
- return g_ActiveShaders.Shader_ForTextureName( name );
+void unrealise(){
+ GlobalTexturesCache().release( m_pTexture );
+
+ if ( m_notfound != 0 ) {
+ GlobalTexturesCache().release( m_notfound );
+ }
+
+ unrealiseLighting();
}
-void CShaderArray::AddSingle( void *lp ){
- int i;
- for ( i = 0; i < CPtrArray::GetSize(); i++ )
- {
- if ( CPtrArray::GetAt( i ) == lp ) {
- return;
+void realiseLighting(){
+ if ( m_lightingEnabled ) {
+ LoadImageCallback loader = GlobalTexturesCache().defaultLoader();
+ if ( !string_empty( m_template.m_heightmapScale.c_str() ) ) {
+ m_heightmapScale = evaluateFloat( m_template.m_heightmapScale, m_template.m_params, m_args );
+ loader = LoadImageCallback( &m_heightmapScale, loadHeightmap );
}
+ m_pDiffuse = evaluateTexture( m_template.m_diffuse, m_template.m_params, m_args );
+ m_pBump = evaluateTexture( m_template.m_bump, m_template.m_params, m_args, loader );
+ m_pSpecular = evaluateTexture( m_template.m_specular, m_template.m_params, m_args );
+ m_pLightFalloffImage = evaluateTexture( m_template.m_lightFalloffImage, m_template.m_params, m_args );
+
+ for ( ShaderTemplate::MapLayers::const_iterator i = m_template.m_layers.begin(); i != m_template.m_layers.end(); ++i )
+ {
+ m_layers.push_back( evaluateLayer( *i, m_template.m_params, m_args ) );
+ }
+
+ if ( m_layers.size() == 1 ) {
+ const BlendFuncExpression& blendFunc = m_template.m_layers.front().blendFunc();
+ if ( !string_empty( blendFunc.second.c_str() ) ) {
+ m_blendFunc = BlendFunc(
+ evaluateBlendFactor( blendFunc.first.c_str(), m_template.m_params, m_args ),
+ evaluateBlendFactor( blendFunc.second.c_str(), m_template.m_params, m_args )
+ );
+ }
+ else
+ {
+ const char* blend = evaluateShaderValue( blendFunc.first.c_str(), m_template.m_params, m_args );
+
+ if ( string_equal_nocase( blend, "add" ) ) {
+ m_blendFunc = BlendFunc( BLEND_ONE, BLEND_ONE );
+ }
+ else if ( string_equal_nocase( blend, "filter" ) ) {
+ m_blendFunc = BlendFunc( BLEND_DST_COLOUR, BLEND_ZERO );
+ }
+ else if ( string_equal_nocase( blend, "blend" ) ) {
+ m_blendFunc = BlendFunc( BLEND_SRC_ALPHA, BLEND_ONE_MINUS_SRC_ALPHA );
+ }
+ else
+ {
+ globalErrorStream() << "parsing blend value failed: " << makeQuoted( blend ) << "\n";
+ }
+ }
+ }
+ }
+}
+
+void unrealiseLighting(){
+ if ( m_lightingEnabled ) {
+ GlobalTexturesCache().release( m_pDiffuse );
+ GlobalTexturesCache().release( m_pBump );
+ GlobalTexturesCache().release( m_pSpecular );
+
+ GlobalTexturesCache().release( m_pLightFalloffImage );
+
+ for ( MapLayers::iterator i = m_layers.begin(); i != m_layers.end(); ++i )
+ {
+ GlobalTexturesCache().release( ( *i ).texture() );
+ }
+ m_layers.clear();
+
+ m_blendFunc = BlendFunc( BLEND_SRC_ALPHA, BLEND_ONE_MINUS_SRC_ALPHA );
+ }
+}
+
+// set shader name
+void setName( const char* name ){
+ m_Name = name;
+}
+
+void setWadName( const char* name ){
+ m_WadName = name;
+}
+
+class MapLayer : public ShaderLayer
+{
+qtexture_t* m_texture;
+BlendFunc m_blendFunc;
+bool m_clampToBorder;
+float m_alphaTest;
+public:
+MapLayer( qtexture_t* texture, BlendFunc blendFunc, bool clampToBorder, float alphaTest ) :
+ m_texture( texture ),
+ m_blendFunc( blendFunc ),
+ m_clampToBorder( false ),
+ m_alphaTest( alphaTest ){
+}
+
+qtexture_t* texture() const {
+ return m_texture;
+}
+
+BlendFunc blendFunc() const {
+ return m_blendFunc;
+}
+
+bool clampToBorder() const {
+ return m_clampToBorder;
+}
+
+float alphaTest() const {
+ return m_alphaTest;
+}
+};
+
+static MapLayer evaluateLayer( const ShaderTemplate::MapLayerTemplate& layerTemplate, const ShaderParameters& params, const ShaderArguments& args ){
+ return MapLayer(
+ evaluateTexture( layerTemplate.texture(), params, args ),
+ evaluateBlendFunc( layerTemplate.blendFunc(), params, args ),
+ layerTemplate.clampToBorder(),
+ evaluateFloat( layerTemplate.alphaTest(), params, args )
+ );
+}
+
+typedef std::vector<MapLayer> MapLayers;
+MapLayers m_layers;
+
+const ShaderLayer* firstLayer() const {
+ if ( m_layers.empty() ) {
+ return 0;
+ }
+ return &m_layers.front();
+}
+
+qtexture_t* lightFalloffImage() const {
+ if ( !string_empty( m_template.m_lightFalloffImage.c_str() ) ) {
+ return m_pLightFalloffImage;
}
- CPtrArray::Add( lp );
- static_cast < CShader * >( CPtrArray::GetAt( i ) )->IncRef();
+ return 0;
}
+};
-void CShaderArray::operator =( const class CShaderArray & src ){
- int i;
+bool CShader::m_lightingEnabled = false;
-#ifdef _DEBUG
- if ( CPtrArray::GetSize() != 0 ) {
- Sys_Printf( "WARNING: CShaderArray::operator = expects an empty array\n" );
- }
-#endif
- Copy( src );
- // now go through and IncRef
- for ( i = 0; i < CPtrArray::GetSize(); i++ )
- static_cast < IShader * >( CPtrArray::GetAt( i ) )->IncRef();
-}
-
-//++timo NOTE: for debugging we may need to keep track and tell wether everything has been properly unloaded
-void CShaderArray::ReleaseAll(){
- int i;
- int count = CPtrArray::GetSize();
- // decref
- for ( i = 0; i < count; i++ )
- static_cast < IShader * >( CPtrArray::GetAt( i ) )->DecRef();
- // get rid
- CPtrArray::RemoveAll();
-}
-
-// NOTE TTimo:
-// this was hacked to work a long time ago
-// in Loki's fenris tracker as bug #104655
-// since that info is no longer available, and the hack has been there for so long, it's part of the code now
-// don't remember the details, but basically across a flush and reload for the shaders
-// we have to keep track of the patches texture names in a seperate entry
-// not sure why anymore, but I know that doesn't happen with brushes
-typedef struct patchEntry_s
-{
- char name[QER_MAX_NAMELEN];
- patchMesh_t *p;
-} patchEntry_t;
+typedef SmartPointer<CShader> ShaderPointer;
+typedef std::map<CopiedString, ShaderPointer, shader_less_t> shaders_t;
+
+shaders_t g_ActiveShaders;
+
+static shaders_t::iterator g_ActiveShadersIterator;
+
+void ActiveShaders_IteratorBegin(){
+ g_ActiveShadersIterator = g_ActiveShaders.begin();
+}
-CPtrArray PatchShaders;
+bool ActiveShaders_IteratorAtEnd(){
+ return g_ActiveShadersIterator == g_ActiveShaders.end();
+}
+
+IShader *ActiveShaders_IteratorCurrent(){
+ return static_cast<CShader*>( g_ActiveShadersIterator->second );
+}
-void PushPatch( patchMesh_t * patch ){
- patchEntry_t *pEntry = new patchEntry_s;
- pEntry->p = patch;
- strcpy( pEntry->name, patch->pShader->getName() );
- PatchShaders.Add( pEntry );
+void ActiveShaders_IteratorIncrement(){
+ ++g_ActiveShadersIterator;
}
-char *ShaderNameLookup( patchMesh_t * patch ){
- int i;
- int count = PatchShaders.GetSize();
- for ( i = 0; i < count; i++ )
+void debug_check_shaders( shaders_t& shaders ){
+ for ( shaders_t::iterator i = shaders.begin(); i != shaders.end(); ++i )
{
- if ( static_cast < patchEntry_t * >( PatchShaders.GetAt( i ) )->p == patch ) {
- return static_cast < patchEntry_t * >( PatchShaders.GetAt( i ) )->name;
- }
+ ASSERT_MESSAGE( i->second->refcount() == 1, "orphan shader still referenced" );
}
- Sys_Printf( "ERROR: failed to lookup name in ShaderNameLookup??\n" );
- return SHADER_NOT_FOUND;
}
-//++timo end clean
// will free all GL binded qtextures and shaders
// NOTE: doesn't make much sense out of Radiant exit or called during a reload
-void WINAPI QERApp_FreeShaders(){
- int i;
- brush_t *b;
- brush_t *active_brushes;
- brush_t *selected_brushes;
- brush_t *filtered_brushes;
- qtexture_t **d_qtextures;
-
- active_brushes = g_DataTable.m_pfnActiveBrushes();
- selected_brushes = g_DataTable.m_pfnSelectedBrushes();
- filtered_brushes = g_DataTable.m_pfnFilteredBrushes();
- d_qtextures = g_ShadersTable.m_pfnQTextures();
-
- // store the shader names used by the patches
- for ( i = 0; i < PatchShaders.GetSize(); i++ )
- delete static_cast < patchMesh_t * >( PatchShaders.GetAt( i ) );
- PatchShaders.RemoveAll();
-
- for ( b = active_brushes->next; b != NULL && b != active_brushes; b = b->next )
- {
- if ( b->patchBrush ) {
- PushPatch( b->pPatch );
- }
- }
- for ( b = selected_brushes->next; b != NULL && b != selected_brushes; b = b->next )
- {
- if ( b->patchBrush ) {
- PushPatch( b->pPatch );
- }
- }
- for ( b = filtered_brushes->next; b != NULL && b != filtered_brushes; b = b->next )
- {
- if ( b->patchBrush ) {
- PushPatch( b->pPatch );
- }
- }
-
+void FreeShaders(){
// reload shaders
// empty the actives shaders list
- g_ActiveShaders.ReleaseAll();
- g_Shaders.ReleaseAll();
- // empty the main g_qeglobals.d_qtextures list
- // FIXME: when we reload later on, we need to have the shader names
- // for brushes it's stored in the texdef
- // but patches don't have texdef
- // see bug 104655 for details
- // so the solution, build an array of patchMesh_t* and their shader names
-#ifdef _DEBUG
- Sys_Printf( "FIXME: patch shader reload workaround (old fenris? bug 104655)\n" );
-#endif
+ debug_check_shaders( g_ActiveShaders );
+ g_ActiveShaders.clear();
+ g_shaders.clear();
+ g_shaderTemplates.clear();
+ g_shaderDefinitions.clear();
+ g_ActiveShadersChangedNotify();
+}
- //GtkWidget *widget = g_QglTable.m_pfn_GetQeglobalsGLWidget ();
- GHashTable *texmap = g_ShadersTable.m_pfnQTexmap();
+bool ShaderTemplate::parseQuake3( Tokeniser& tokeniser ){
+ // name of the qtexture_t we'll use to represent this shader ( this one has the "textures\" before )
+ m_textureName = m_Name.c_str();
- // NOTE: maybe before we'd like to set all qtexture_t in the shaders list to notex?
- // NOTE: maybe there are some qtexture_t we don't want to erase? For plain color faces maybe?
- while ( *d_qtextures )
- {
- qtexture_t *pTex = *d_qtextures;
- qtexture_t *pNextTex = pTex->next;
+ tokeniser.nextLine();
- //if (widget != NULL)
- g_QglTable.m_pfn_qglDeleteTextures( 1, &pTex->texture_number );
-
- g_hash_table_remove( texmap, pTex->name );
-
- // all qtexture_t should be manipulated with the glib alloc handlers for now
- g_free( pTex );
- *d_qtextures = pNextTex;
- }
-
- g_QglTable.m_pfn_QE_CheckOpenGLForErrors();
-}
-
-// those functions are only used during a shader reload phase
-// the patch one relies on ShaderNameLookup, a table that is being built only when a flush is performed
-// so it's not something we want to expose publicly
-
-void SetShader( patchMesh_t * patch ){
- // unhook current shader
- patch->pShader->DecRef();
- // don't access this one! it has been deleted .. it's DEAD
- patch->d_texture = NULL;
- // hook the new one, increment the refcount
- // NOTE TTimo this function increments the refcount, don't incref ourselves
- patch->pShader = QERApp_Shader_ForName( ShaderNameLookup( patch ) );
- patch->d_texture = patch->pShader->getTexture();
-}
-
-void SetShader( face_t * f ){
- // unhook current shader
- f->pShader->DecRef();
- // don't access the texdef! it's DEAD
- f->d_texture = NULL;
- // hook
- // NOTE TTimo this function increments the refcount, don't incref ourselves
- f->pShader = QERApp_Shader_ForName( f->texdef.GetName() );
- f->d_texture = f->pShader->getTexture();
-}
-
-void Brush_RefreshShader( brush_t *b ){
- if ( b->patchBrush ) {
- SetShader( b->pPatch );
- }
- else if ( b->owner->eclass->fixedsize ) {
- /*eclass_t *eclass = HasModel(b);
- if (eclass)
- {
- for(entitymodel *model = eclass->model; model!=NULL; model=model->pNext)
- if(model && model->strSkin)
- model->nTextureBind = g_FuncTable.m_pfnTexture_LoadSkin(((GString *)model->strSkin)->str, &model->nSkinWidth, &model->nSkinHeight);
- }*/
- }
- else{
- for ( face_t *f = b->brush_faces ; f ; f = f->next )
- SetShader( f );
- }
-}
-
-void WINAPI QERApp_ReloadShaders(){
- brush_t *b;
- brush_t *active_brushes;
- brush_t *selected_brushes;
- brush_t *filtered_brushes;
-
- QERApp_FreeShaders();
-
- g_DataTable.m_pfnLstSkinCache()->RemoveAll(); //md3 skins
-
- active_brushes = g_DataTable.m_pfnActiveBrushes();
- selected_brushes = g_DataTable.m_pfnSelectedBrushes();
- filtered_brushes = g_DataTable.m_pfnFilteredBrushes();
-
- // now we must reload the shader information from shaderfiles
- g_ShadersTable.m_pfnBuildShaderList();
- g_ShadersTable.m_pfnPreloadShaders();
-
- // refresh the map visuals: replace our old shader objects by the new ones
- // on brush faces we have the shader name in texdef.name
- // on patches we have the shader name in PatchShaders
- // while we walk through the map data, we DecRef the old shaders and push the new ones in
- // if all goes well, most of our old shaders will get deleted on the way
-
- // FIXME: bug 104655, when we come accross a patch, we use the above array since the d_texture is lost
- // NOTE: both face_t and patchMesh_t store pointers to the shader and qtexture_t
- // in an ideal world they would only store shader and access the qtexture_t through it
- // reassign all current shaders
- for ( b = active_brushes->next; b != NULL && b != active_brushes; b = b->next )
- Brush_RefreshShader( b );
- for ( b = selected_brushes->next; b != NULL && b != selected_brushes; b = b->next )
- Brush_RefreshShader( b );
- // do that to the filtered brushes as well (we might have some region compiling going on)
- for ( b = filtered_brushes->next; b != NULL && b != filtered_brushes; b = b->next )
- Brush_RefreshShader( b );
-}
-
-int WINAPI QERApp_LoadShadersFromDir( const char *path ){
- int count = 0;
- // scan g_Shaders, and call QERApp_Shader_ForName for each in the given path
- // this will load the texture if needed and will set it in use..
- int nSize = g_Shaders.GetSize();
- for ( int i = 0; i < nSize; i++ )
+ // we need to read until we hit a balanced }
+ int depth = 0;
+ for (;; )
{
- CShader *pShader = reinterpret_cast < CShader * >( g_Shaders[i] );
- if ( strstr( pShader->getShaderFileName(), path ) || strstr( pShader->getName(), path ) ) {
- count++;
- // request the shader, this will load the texture if needed and set "inuse"
- //++timo FIXME: should we put an Activate member on CShader?
- // this QERApp_Shader_ForName call is a kind of hack
- IShader *pFoo = QERApp_Shader_ForName( pShader->getName() );
-#ifdef _DEBUG
- // check we activated the right shader
- // NOTE: if there was something else loaded, the size of g_Shaders may have changed and strange behaviours are to be expected
- if ( pFoo != pShader ) {
- Sys_Printf( "WARNING: unexpected pFoo != pShader in QERApp_LoadShadersFromDir\n" );
- }
-#else
- pFoo = NULL; // leo: shut up the compiler
-#endif
- }
- }
- return count;
-}
-
-bool CShader::Parse(){
- char *token = g_ScripLibTable.m_pfnToken();
+ tokeniser.nextLine();
+ const char* token = tokeniser.getToken();
- // the parsing needs to be taken out in another module
-// Sys_Printf("TODO: CShader::Parse\n");
+ if ( token == 0 ) {
+ return false;
+ }
- // token is shader name (full path with a "textures\")
- // we remove the "textures\" part
- //setName ((char *) &token[9]));
- // no we don't
- setName( token );
- // name of the qtexture_t we'll use to represent this shader (this one has the "textures\" before)
- const char *stdName = QERApp_CleanTextureName( token );
- m_strTextureName = stdName; // FIXME: BC reports stdName is uninitialised?
- g_ScripLibTable.m_pfnGetToken( true );
- if ( strcmp( token, "{" ) ) {
- return false;
- }
- else
- {
- // we need to read until we hit a balanced }
- int nMatch = 1;
- while ( nMatch > 0 && g_ScripLibTable.m_pfnGetToken( true ) )
- {
- if ( strcmp( token, "{" ) == 0 ) {
- nMatch++;
- continue;
- }
- else if ( strcmp( token, "}" ) == 0 ) {
- nMatch--;
- continue;
+ if ( string_equal( token, "{" ) ) {
+ ++depth;
+ continue;
+ }
+ else if ( string_equal( token, "}" ) ) {
+ --depth;
+ if ( depth < 0 ) { // underflow
+ return false;
}
- if ( nMatch > 1 ) {
- continue; // ignore layers for now
+ if ( depth == 0 ) { // end of shader
+ break;
}
- if ( strcmpi( token, "qer_nocarve" ) == 0 ) {
+
+ continue;
+ }
+
+ if ( depth == 1 ) {
+ if ( string_equal_nocase( token, "qer_nocarve" ) ) {
m_nFlags |= QER_NOCARVE;
}
- else if ( strcmpi( token, "qer_trans" ) == 0 ) {
- if ( g_ScripLibTable.m_pfnGetToken( true ) ) {
- m_fTrans = (float) atof( token );
- }
+ else if ( string_equal_nocase( token, "qer_trans" ) ) {
+ RETURN_FALSE_IF_FAIL( Tokeniser_getFloat( tokeniser, m_fTrans ) );
m_nFlags |= QER_TRANS;
}
- else if ( strcmpi( token, "qer_editorimage" ) == 0 ) {
- if ( g_ScripLibTable.m_pfnGetToken( true ) ) {
- // bAddTexture changed to false to allow editorimages in other locations than "textures/"
- m_strTextureName = QERApp_CleanTextureName( token, false );
- }
+ else if ( string_equal_nocase( token, "qer_editorimage" ) ) {
+ RETURN_FALSE_IF_FAIL( Tokeniser_parseTextureName( tokeniser, m_textureName ) );
}
- else if ( strcmpi( token, "qer_alphafunc" ) == 0 ) {
- if ( g_ScripLibTable.m_pfnGetToken( true ) ) {
+ else if ( string_equal_nocase( token, "qer_alphafunc" ) ) {
+ const char* alphafunc = tokeniser.getToken();
- if ( stricmp( token, "greater" ) == 0 ) {
- m_nAlphaFunc = GL_GREATER;
- }
- else if ( stricmp( token, "less" ) == 0 ) {
- m_nAlphaFunc = GL_LESS;
- }
- else if ( stricmp( token, "gequal" ) == 0 ) {
- m_nAlphaFunc = GL_GEQUAL;
- }
+ if ( alphafunc == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, alphafunc, "#alphafunc" );
+ return false;
+ }
- if ( m_nAlphaFunc ) {
- m_nFlags |= QER_ALPHAFUNC;
- }
+ if ( string_equal_nocase( alphafunc, "equal" ) ) {
+ m_AlphaFunc = IShader::eEqual;
+ }
+ else if ( string_equal_nocase( alphafunc, "greater" ) ) {
+ m_AlphaFunc = IShader::eGreater;
+ }
+ else if ( string_equal_nocase( alphafunc, "less" ) ) {
+ m_AlphaFunc = IShader::eLess;
+ }
+ else if ( string_equal_nocase( alphafunc, "gequal" ) ) {
+ m_AlphaFunc = IShader::eGEqual;
+ }
+ else if ( string_equal_nocase( alphafunc, "lequal" ) ) {
+ m_AlphaFunc = IShader::eLEqual;
}
- if ( g_ScripLibTable.m_pfnGetToken( true ) ) {
- m_fAlphaRef = (float) atof( token );
+ else
+ {
+ m_AlphaFunc = IShader::eAlways;
}
+
+ m_nFlags |= QER_ALPHATEST;
+
+ RETURN_FALSE_IF_FAIL( Tokeniser_getFloat( tokeniser, m_AlphaRef ) );
}
- else if ( strcmpi( token, "cull" ) == 0 ) {
- if ( g_ScripLibTable.m_pfnGetToken( true ) ) {
- if ( stricmp( token, "none" ) == 0 || stricmp( token, "twosided" ) == 0 || stricmp( token, "disable" ) == 0 ) {
- m_nCull = 2;
- }
- else if ( stricmp( token, "back" ) == 0 || stricmp( token, "backside" ) == 0 || stricmp( token, "backsided" ) == 0 ) {
- m_nCull = 1;
- }
+ else if ( string_equal_nocase( token, "cull" ) ) {
+ const char* cull = tokeniser.getToken();
- if ( m_nCull ) {
- m_nFlags |= QER_CULL;
- }
+ if ( cull == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, cull, "#cull" );
+ return false;
+ }
+
+ if ( string_equal_nocase( cull, "none" )
+ || string_equal_nocase( cull, "twosided" )
+ || string_equal_nocase( cull, "disable" ) ) {
+ m_Cull = IShader::eCullNone;
+ }
+ else if ( string_equal_nocase( cull, "back" )
+ || string_equal_nocase( cull, "backside" )
+ || string_equal_nocase( cull, "backsided" ) ) {
+ m_Cull = IShader::eCullBack;
+ }
+ else
+ {
+ m_Cull = IShader::eCullBack;
}
+
+ m_nFlags |= QER_CULL;
}
- else if ( strcmpi( token, "surfaceparm" ) == 0 ) {
- if ( g_ScripLibTable.m_pfnGetToken( true ) ) {
- if ( strcmpi( token, "fog" ) == 0 ) {
- m_nFlags |= QER_FOG;
- if ( m_fTrans == 1.0f ) { // has not been explicitly set by qer_trans
- m_fTrans = 0.35f;
- }
- }
- else if ( strcmpi( token, "nodraw" ) == 0 ) {
- m_nFlags |= QER_NODRAW;
- }
- else if ( strcmpi( token, "nonsolid" ) == 0 ) {
- m_nFlags |= QER_NONSOLID;
- }
- else if ( strcmpi( token, "water" ) == 0 ) {
- m_nFlags |= QER_WATER;
- }
- else if ( strcmpi( token, "lava" ) == 0 ) {
- m_nFlags |= QER_LAVA;
+ else if ( string_equal_nocase( token, "surfaceparm" ) ) {
+ const char* surfaceparm = tokeniser.getToken();
+
+ if ( surfaceparm == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, surfaceparm, "#surfaceparm" );
+ return false;
+ }
+
+ if ( string_equal_nocase( surfaceparm, "fog" ) ) {
+ m_nFlags |= QER_FOG;
+ m_nFlags |= QER_TRANS;
+ if ( m_fTrans == 1.0f ) { // has not been explicitly set by qer_trans
+ m_fTrans = 0.35f;
}
}
+ else if ( string_equal_nocase( surfaceparm, "nodraw" ) ) {
+ m_nFlags |= QER_NODRAW;
+ }
+ else if ( string_equal_nocase( surfaceparm, "nonsolid" ) ) {
+ m_nFlags |= QER_NONSOLID;
+ }
+ else if ( string_equal_nocase( surfaceparm, "water" ) ||
+ string_equal_nocase( surfaceparm, "lava" ) ||
+ string_equal_nocase( surfaceparm, "slime") ){
+ m_nFlags |= QER_LIQUID;
+ }
+ else if ( string_equal_nocase( surfaceparm, "areaportal" ) ) {
+ m_nFlags |= QER_AREAPORTAL;
+ }
+ else if ( string_equal_nocase( surfaceparm, "playerclip" ) ) {
+ m_nFlags |= QER_CLIP;
+ }
+ else if ( string_equal_nocase( surfaceparm, "botclip" ) ) {
+ m_nFlags |= QER_BOTCLIP;
+ }
}
}
- if ( nMatch != 0 ) {
- return false;
- }
}
+
return true;
}
-void CShader::RegisterActivate(){
- // fill the qtexture_t with shader information
- //++timo FIXME: a lot of that won't be necessary, will be stored at IShader* level
-// strcpy (m_pTexture->shadername, m_Name);
- // this flag is set only if we have a shaderfile name
-// if (m_ShaderFileName[0] != '\0')
-// m_pTexture->bFromShader = true;
-// else
-// m_pTexture->bFromShader = false;
- //++timo FIXME: what do we do with that?
- //m_pTexture->fTrans = pInfo->m_fTransValue;
-// m_pTexture->fTrans = 1.0f; // if != 1.0 it's ot getting drawn in Cam_Draw
-// m_pTexture->nShaderFlags = m_nFlags;
- // store in the active shaders list (if necessary)
- g_ActiveShaders.AddSingle( this );
- // when you activate a shader, it gets displayed in the texture browser
- m_bDisplayed = true;
- IncRef();
-}
-
-void CShader::Try_Activate(){
- m_pTexture = QERApp_Try_Texture_ForName( m_strTextureName.GetBuffer() );
- if ( m_pTexture ) {
- RegisterActivate();
- }
-}
-
-// Hydra: now returns false if the ORIGINAL shader could not be activated
-// (missing texture, or incorrect shader script), true otherwise
-// the shader is still activated in all cases.
-bool CShader::Activate(){
- Try_Activate();
- if ( !m_pTexture ) {
- m_pTexture = QERApp_Texture_ForName2( SHADER_NOTEX );
- RegisterActivate();
- return false;
- }
- return true;
+class Layer
+{
+public:
+LayerTypeId m_type;
+TextureExpression m_texture;
+BlendFunc m_blendFunc;
+bool m_clampToBorder;
+float m_alphaTest;
+float m_heightmapScale;
+
+Layer() : m_type( LAYER_NONE ), m_blendFunc( BLEND_ONE, BLEND_ZERO ), m_clampToBorder( false ), m_alphaTest( -1 ), m_heightmapScale( 0 ){
}
+};
+
+std::list<CopiedString> g_shaderFilenames;
+
+void ParseShaderFile( Tokeniser& tokeniser, const char* filename ){
+ g_shaderFilenames.push_back( filename );
+ filename = g_shaderFilenames.back().c_str();
+ tokeniser.nextLine();
+ for (;; )
+ {
+ const char* token = tokeniser.getToken();
+
+ if ( token == 0 ) {
+ break;
+ }
-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 ) )
+ if ( string_equal( token, "table" ) ) {
+ if ( tokeniser.getToken() == 0 ) {
+ Tokeniser_unexpectedError( tokeniser, 0, "#table-name" );
+ return;
+ }
+ if ( !Tokeniser_parseToken( tokeniser, "{" ) ) {
+ return;
+ }
+ for (;; )
+ {
+ const char* option = tokeniser.getToken();
+ if ( string_equal( option, "{" ) ) {
+ for (;; )
+ {
+ const char* value = tokeniser.getToken();
+ if ( string_equal( value, "}" ) ) {
+ break;
+ }
+ }
+
+ if ( !Tokeniser_parseToken( tokeniser, "}" ) ) {
+ return;
+ }
+ break;
+ }
+ }
+ }
+ else
{
- // 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 );
+ if ( string_equal( token, "guide" ) ) {
+ parseTemplateInstance( tokeniser, filename );
+ }
+ else
+ {
+ if ( !string_equal( token, "material" )
+ && !string_equal( token, "particle" )
+ && !string_equal( token, "skin" ) ) {
+ tokeniser.ungetToken();
+ }
+ // first token should be the path + name.. ( from base )
+ CopiedString name;
+ if ( !Tokeniser_parseShaderName( tokeniser, name ) ) {
+ }
+ ShaderTemplatePointer shaderTemplate( new ShaderTemplate() );
+ shaderTemplate->setName( name.c_str() );
+
+ g_shaders.insert( ShaderTemplateMap::value_type( shaderTemplate->getName(), shaderTemplate ) );
+
+ bool result = ( g_shaderLanguage == SHADERLANGUAGE_QUAKE3 )
+ ? shaderTemplate->parseQuake3( tokeniser )
+ : shaderTemplate->parseDoom3( tokeniser );
+ if ( result ) {
+ // do we already have this shader?
+ if ( !g_shaderDefinitions.insert( ShaderDefinitionMap::value_type( shaderTemplate->getName(), ShaderDefinition( shaderTemplate.get(), ShaderArguments(), filename ) ) ).second ) {
+#if GDEF_DEBUG
+ globalOutputStream() << "WARNING: shader " << shaderTemplate->getName() << " is already in memory, definition in " << filename << " ignored.\n";
#endif
- delete pShader;
+ }
}
else
{
- pShader->IncRef();
-
- g_Shaders.Add( (void *) pShader );
+ globalErrorStream() << "Error parsing shader " << shaderTemplate->getName() << "\n";
+ return;
}
}
- else
+ }
+ }
+}
+
+void parseGuideFile( Tokeniser& tokeniser, const char* filename ){
+ tokeniser.nextLine();
+ for (;; )
+ {
+ const char* token = tokeniser.getToken();
+
+ if ( token == 0 ) {
+ break;
+ }
+
+ if ( string_equal( token, "guide" ) ) {
+ // first token should be the path + name.. ( from base )
+ ShaderTemplatePointer shaderTemplate( new ShaderTemplate );
+ shaderTemplate->parseTemplate( tokeniser );
+ if ( !g_shaderTemplates.insert( ShaderTemplateMap::value_type( shaderTemplate->getName(), shaderTemplate ) ).second ) {
+ globalErrorStream() << "guide " << makeQuoted( shaderTemplate->getName() ) << ": already defined, second definition ignored\n";
+ }
+ }
+ else if ( string_equal( token, "inlineGuide" ) ) {
+ // skip entire inlineGuide definition
+ std::size_t depth = 0;
+ for (;; )
{
- Sys_Printf( "Error parsing shader %s\n", pShader->getName() );
- delete pShader;
+ tokeniser.nextLine();
+ token = tokeniser.getToken();
+ if ( string_equal( token, "{" ) ) {
+ ++depth;
+ }
+ else if ( string_equal( token, "}" ) ) {
+ if ( --depth == 0 ) {
+ break;
+ }
+ }
}
}
- vfsFreeFile( pBuff );
+ }
+}
+
+void LoadShaderFile( const char* filename ){
+ ArchiveTextFile* file = GlobalFileSystem().openTextFile( filename );
+
+ if ( file != 0 ) {
+ globalOutputStream() << "Parsing shaderfile " << filename << "\n";
+
+ Tokeniser& tokeniser = GlobalScriptLibrary().m_pfnNewScriptTokeniser( file->getInputStream() );
+
+ ParseShaderFile( tokeniser, filename );
+
+ tokeniser.release();
+ file->release();
}
else
{
- Sys_Printf( "Unable to read shaderfile %s\n", filename );
+ globalOutputStream() << "Unable to read shaderfile " << filename << "\n";
}
}
-IShader *WINAPI QERApp_Try_Shader_ForName( const char *name ){
- // look for the shader
- CShader *pShader = g_Shaders.Shader_ForName( name );
- if ( !pShader ) {
- // not found
- return NULL;
+void loadGuideFile( const char* filename ){
+ StringOutputStream fullname( 256 );
+ fullname << "guides/" << filename;
+ ArchiveTextFile* file = GlobalFileSystem().openTextFile( fullname.c_str() );
+
+ if ( file != 0 ) {
+ globalOutputStream() << "Parsing guide file " << fullname.c_str() << "\n";
+
+ Tokeniser& tokeniser = GlobalScriptLibrary().m_pfnNewScriptTokeniser( file->getInputStream() );
+
+ parseGuideFile( tokeniser, fullname.c_str() );
+
+ tokeniser.release();
+ file->release();
+ }
+ else
+ {
+ globalOutputStream() << "Unable to read guide file " << fullname.c_str() << "\n";
}
- // we may need to load the texture or use the "shader without texture" one
- pShader->Activate();
- pShader->SetDisplayed( true );
- return pShader;
}
-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() );
+CShader* Try_Shader_ForName( const char* name ){
+ {
+ shaders_t::iterator i = g_ActiveShaders.find( name );
+ if ( i != g_ActiveShaders.end() ) {
+ return ( *i ).second;
+ }
+ }
+ // active shader was not found
+
+ // find matching shader definition
+ ShaderDefinitionMap::iterator i = g_shaderDefinitions.find( name );
+ if ( i == g_shaderDefinitions.end() ) {
+ // shader definition was not found
+
+ // create new shader definition from default shader template
+ ShaderTemplatePointer shaderTemplate( new ShaderTemplate() );
+ shaderTemplate->CreateDefault( name );
+ g_shaderTemplates.insert( ShaderTemplateMap::value_type( shaderTemplate->getName(), shaderTemplate ) );
+
+ i = g_shaderDefinitions.insert( ShaderDefinitionMap::value_type( name, ShaderDefinition( shaderTemplate.get(), ShaderArguments(), "" ) ) ).first;
}
- pShader->SetDisplayed( true );
+ // create shader from existing definition
+ ShaderPointer pShader( new CShader( ( *i ).second ) );
+ pShader->setName( name );
+ g_ActiveShaders.insert( shaders_t::value_type( name, pShader ) );
+ g_ActiveShadersChangedNotify();
return pShader;
}
-IShader *WINAPI QERApp_Shader_ForName( const char *name ){
- if ( name == NULL || strlen( name ) == 0 ) {
- // Hydra: This error can occur if the user loaded a map with/dropped an entity that
- // did not set a texture name "(r g b)" - check the entity definition loader
+IShader *Shader_ForName( const char *name ){
+ ASSERT_NOTNULL( name );
- g_FuncTable.m_pfnSysFPrintf( SYS_ERR, "FIXME: name == NULL || strlen(name) == 0 in QERApp_Shader_ForName\n" );
- return QERApp_Shader_ForName( SHADER_NOT_FOUND );
- }
- // 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 );
+ IShader *pShader = Try_Shader_ForName( name );
+ pShader->IncRef();
+ return pShader;
+}
+
+
+// the list of scripts/*.shader files we need to work with
+// those are listed in shaderlist file
+GSList *l_shaderfiles = 0;
+
+GSList* Shaders_getShaderFileList(){
+ return l_shaderfiles;
+}
+
+/*
+ ==================
+ DumpUnreferencedShaders
+ usefull function: dumps the list of .shader files that are not referenced to the console
+ ==================
+ */
+void IfFound_dumpUnreferencedShader( bool& bFound, const char* filename ){
+ bool listed = false;
+
+ for ( GSList* sh = l_shaderfiles; sh != 0; sh = g_slist_next( sh ) )
+ {
+ if ( !strcmp( (char*)sh->data, filename ) ) {
+ listed = true;
+ break;
+ }
}
- CShader *pShader = static_cast < CShader * >( QERApp_Try_Shader_ForName( name ) );
- if ( pShader ) {
- pShader->SetDisplayed( true );
- return pShader;
+ if ( !listed ) {
+ if ( !bFound ) {
+ bFound = true;
+ globalOutputStream() << "Following shader files are not referenced in any shaderlist.txt:\n";
+ }
+ globalOutputStream() << "\t" << filename << "\n";
}
- return QERApp_CreateShader_ForTextureName( name );
}
-qtexture_t *WINAPI QERApp_Try_Texture_ForName( const char *name ){
- qtexture_t *q;
-// char f1[1024], f2[1024];
- unsigned char *pPixels = NULL;
- int nWidth, nHeight;
+typedef ReferenceCaller<bool, void(const char*), IfFound_dumpUnreferencedShader> IfFoundDumpUnreferencedShaderCaller;
- // convert the texture name to the standard format we use in qtexture_t
- const char *stdName = QERApp_CleanTextureName( name );
+void DumpUnreferencedShaders(){
+ bool bFound = false;
+ GlobalFileSystem().forEachFile( g_shadersDirectory, g_shadersExtension, IfFoundDumpUnreferencedShaderCaller( bFound ) );
+}
- // use the hash table
- q = (qtexture_t*)g_hash_table_lookup( g_ShadersTable.m_pfnQTexmap(), stdName );
- if ( q ) {
- return q;
- }
+void ShaderList_addShaderFile( const char* dirstring ){
+ bool found = false;
-#ifdef QTEXMAP_DEBUG
- for ( q = g_qeglobals.d_qtextures; q; q = q->next )
+ for ( GSList* tmp = l_shaderfiles; tmp != 0; tmp = tmp->next )
{
- if ( !strcmp( stdName, q->name ) ) {
- Sys_Printf( "ERROR: %s is not in texture map, but was found in texture list\n" );
- return q;
+ if ( string_equal_nocase( dirstring, (char*)tmp->data ) ) {
+ found = true;
+ globalOutputStream() << "duplicate entry \"" << (char*)tmp->data << "\" in shaderlist.txt\n";
+ break;
}
}
-#endif
-
- g_FuncTable.m_pfnLoadImage( name, &pPixels, &nWidth, &nHeight );
- if ( !pPixels ) {
- return NULL; // we failed
- }
- else{
- Sys_Printf( "LOADED: %s\n", name );
+ if ( !found ) {
+ l_shaderfiles = g_slist_append( l_shaderfiles, strdup( dirstring ) );
}
+}
+
+/*
+ ==================
+ BuildShaderList
+ build a CStringList of shader names
+ ==================
+ */
+void BuildShaderList( TextInputStream& shaderlist ){
+ Tokeniser& tokeniser = GlobalScriptLibrary().m_pfnNewSimpleTokeniser( shaderlist );
+ tokeniser.nextLine();
+ const char* token = tokeniser.getToken();
+ StringOutputStream shaderFile( 64 );
+ while ( token != 0 )
+ {
+ // each token should be a shader filename
+ shaderFile << token << "." << g_shadersExtension;
- // instanciate a new qtexture_t
- // NOTE: when called by a plugin we must make sure we have set Radiant's GL context before binding the texture
+ ShaderList_addShaderFile( shaderFile.c_str() );
- // we'll be binding the GL texture now
- // need to check we are using a right GL context
- // with GL plugins that have their own window, the GL context may be the plugin's, in which case loading textures will bug
- // g_QglTable.m_pfn_glwidget_make_current (g_QglTable.m_pfn_GetQeglobalsGLWidget ());
- q = g_FuncTable.m_pfnLoadTextureRGBA( pPixels, nWidth, nHeight );
- if ( !q ) {
- return NULL;
- }
- g_free( pPixels );
+ tokeniser.nextLine();
+ token = tokeniser.getToken();
- strcpy( q->name, name );
- // only strip extension if extension there is!
- if ( q->name[strlen( q->name ) - 4] == '.' ) {
- q->name[strlen( q->name ) - 4] = '\0';
+ shaderFile.clear();
}
- // hook into the main qtexture_t list
- qtexture_t **d_qtextures = g_ShadersTable.m_pfnQTextures();
- q->next = *d_qtextures;
- *d_qtextures = q;
- // push it in the map
- g_hash_table_insert( g_ShadersTable.m_pfnQTexmap(), q->name, q );
- return q;
+ tokeniser.release();
}
-int WINAPI QERApp_HasShader( const char *pName ){
- // mickey check the global shader array for existense of pName
- CShader *pShader = g_Shaders.Shader_ForName( pName );
- if ( pShader ) {
- return 1;
+void FreeShaderList(){
+ while ( l_shaderfiles != 0 )
+ {
+ free( l_shaderfiles->data );
+ l_shaderfiles = g_slist_remove( l_shaderfiles, l_shaderfiles->data );
}
- return 0;
}
-IShader *WINAPI QERApp_Shader_ForName_NoLoad( const char *pName ){
- CShader *pShader = g_Shaders.Shader_ForName( pName );
- return pShader;
-}
+void ShaderList_addFromArchive( const char *archivename ){
+ const char *shaderpath = GlobalRadiant().getGameDescriptionKeyValue( "shaderpath" );
+ if ( string_empty( shaderpath ) ) {
+ return;
+ }
-/*!
- This should NEVER return NULL, it is the last-chance call in the load cascade
- */
-qtexture_t *WINAPI QERApp_Texture_ForName2( const char *filename ){
- qtexture_t *q;
- q = QERApp_Try_Texture_ForName( filename );
- if ( q ) {
- return q;
- }
- // not found? use "texture not found"
- q = QERApp_Try_Texture_ForName( SHADER_NOT_FOUND );
- if ( q ) {
- return q;
- }
-
- // still not found? this is a fatal error
- g_FuncTable.m_pfnError( "Failed to load " SHADER_NOT_FOUND ". Looks like your installation is broken / missing some essential elements." );
- return NULL;
-}
-
-void CShader::CreateColor( const char *name ){
- // parse
- sscanf( name, "(%g %g %g)", m_vColor, m_vColor + 1, m_vColor + 2 );
- m_strTextureName = name;
- setName( "color" );
- // create the qtexture_t
- qtexture_t *q1 = QERApp_Texture_ForName2( SHADER_NOT_FOUND );
- // copy this one
- qtexture_t *q2 = new qtexture_t;
- memcpy( q2, q1, sizeof( qtexture_t ) );
- strcpy( q2->name, m_strTextureName.GetBuffer() );
- VectorCopy( m_vColor, q2->color );
- m_pTexture = q2;
-}
-
-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;
+ StringOutputStream shaderlist( 256 );
+ shaderlist << DirectoryCleaned( shaderpath ) << "shaderlist.txt";
+
+ Archive *archive = GlobalFileSystem().getArchive( archivename, false );
+ if ( archive ) {
+ ArchiveTextFile *file = archive->openTextFile( shaderlist.c_str() );
+ if ( file ) {
+ globalOutputStream() << "Found shaderlist.txt in " << archivename << "\n";
+ BuildShaderList( file->getInputStream() );
+ file->release();
+ }
+ }
}
-void CShaderArray::ReleaseForShaderFile( const char *name ){
- int i;
- // decref
- for ( i = 0; i < CPtrArray::GetSize(); i++ )
+#include "stream/filestream.h"
+
+bool shaderlist_findOrInstall( const char* enginePath, const char* toolsPath, const char* shaderPath, const char* gamename ){
+ StringOutputStream absShaderList( 256 );
+ absShaderList << enginePath << gamename << '/' << shaderPath << "shaderlist.txt";
+ if ( file_exists( absShaderList.c_str() ) ) {
+ return true;
+ }
+ {
+ StringOutputStream directory( 256 );
+ directory << enginePath << gamename << '/' << shaderPath;
+ if ( !file_exists( directory.c_str() ) && !Q_mkdir( directory.c_str() ) ) {
+ return false;
+ }
+ }
{
- IShader *pShader = static_cast < IShader * >( CPtrArray::GetAt( i ) );
- if ( !strcmp( name, pShader->getShaderFileName() ) ) {
- pShader->DecRef();
- CPtrArray::RemoveAt( i );
- i--; // get ready for next loop
+ StringOutputStream defaultShaderList( 256 );
+ defaultShaderList << toolsPath << gamename << '/' << "default_shaderlist.txt";
+ if ( file_exists( defaultShaderList.c_str() ) ) {
+ return file_copy( defaultShaderList.c_str(), absShaderList.c_str() );
}
}
+ return false;
}
-void WINAPI QERApp_ReloadShaderFile( const char *name ){
- brush_t *b;
- face_t *f;
- brush_t *active_brushes;
- brush_t *selected_brushes;
- brush_t *filtered_brushes;
+void Shaders_Load(){
+ if ( g_shaderLanguage == SHADERLANGUAGE_QUAKE4 ) {
+ GlobalFileSystem().forEachFile("guides/", "guide", makeCallbackF(loadGuideFile), 0);
+ }
-// Sys_Printf("TODO: QERApp_ReloadShaderFile\n");
+ const char* shaderPath = GlobalRadiant().getGameDescriptionKeyValue( "shaderpath" );
+ if ( !string_empty( shaderPath ) ) {
+ StringOutputStream path( 256 );
+ path << DirectoryCleaned( shaderPath );
- active_brushes = g_DataTable.m_pfnActiveBrushes();
- selected_brushes = g_DataTable.m_pfnSelectedBrushes();
- filtered_brushes = g_DataTable.m_pfnFilteredBrushes();
+ if ( g_useShaderList ) {
+ // preload shader files that have been listed in shaderlist.txt
+ const char* basegame = GlobalRadiant().getRequiredGameDescriptionKeyValue( "basegame" );
+ const char* gamename = GlobalRadiant().getGameName();
+ const char* enginePath = GlobalRadiant().getEnginePath();
+ const char* toolsPath = GlobalRadiant().getGameToolsPath();
-#ifdef _DEBUG
- // check the shader name is a reletive path
- // I hacked together a few quick tests to make sure :-)
- if ( strstr( name, ":\\" ) || !strstr( name, "scripts" ) ) {
- Sys_Printf( "WARNING: is %s a reletive path to a shader file? (QERApp_ReloadShaderFile\n" );
- }
-#endif
+ bool isMod = !string_equal( basegame, gamename );
- // in the actives and global shaders lists, decref and unhook the shaders
- //++timo NOTE: maybe we'd like to keep track of the shaders we are unhooking?
- g_ActiveShaders.ReleaseForShaderFile( name );
- g_Shaders.ReleaseForShaderFile( name );
- // go through a reload of the shader file
- QERApp_LoadShaderFile( name );
- // scan all the brushes, replace all the old ones by refs to their new equivalents
- for ( b = active_brushes->next; b != NULL && b != active_brushes; b = b->next )
- {
- if ( b->patchBrush && !strcmp( b->pPatch->pShader->getShaderFileName(), name ) ) {
- SetShader( b->pPatch );
- }
- else{
- for ( f = b->brush_faces; f; f = f->next )
- if ( !strcmp( f->pShader->getShaderFileName(), name ) ) {
- SetShader( f );
- }
+ if ( !isMod || !shaderlist_findOrInstall( enginePath, toolsPath, path.c_str(), gamename ) ) {
+ gamename = basegame;
+ shaderlist_findOrInstall( enginePath, toolsPath, path.c_str(), gamename );
+ }
+
+ GlobalFileSystem().forEachArchive(makeCallbackF(ShaderList_addFromArchive), false, true);
+ DumpUnreferencedShaders();
}
- }
- for ( b = selected_brushes->next; b != NULL && b != selected_brushes; b = b->next )
- {
- if ( b->patchBrush && !strcmp( b->pPatch->pShader->getShaderFileName(), name ) ) {
- SetShader( b->pPatch );
+ else
+ {
+ GlobalFileSystem().forEachFile(path.c_str(), g_shadersExtension, makeCallbackF(ShaderList_addShaderFile), 0);
}
- else{
- for ( f = b->brush_faces; f; f = f->next )
- if ( !strcmp( f->pShader->getShaderFileName(), name ) ) {
- SetShader( f );
- }
+
+ GSList *lst = l_shaderfiles;
+ StringOutputStream shadername( 256 );
+ while ( lst )
+ {
+ shadername << path.c_str() << reinterpret_cast<const char*>( lst->data );
+ LoadShaderFile( shadername.c_str() );
+ shadername.clear();
+ lst = lst->next;
}
}
- // do that to the filtered brushes as well (we might have some region compiling going on)
- for ( b = filtered_brushes->next; b != NULL && b != filtered_brushes; b = b->next )
+
+ //StringPool_analyse( ShaderPool::instance() );
+}
+
+void Shaders_Free(){
+ FreeShaders();
+ FreeShaderList();
+ g_shaderFilenames.clear();
+}
+
+ModuleObservers g_observers;
+
+std::size_t g_shaders_unrealised = 1; // wait until filesystem and is realised before loading anything
+bool Shaders_realised(){
+ return g_shaders_unrealised == 0;
+}
+
+void Shaders_Realise(){
+ if ( --g_shaders_unrealised == 0 ) {
+ Shaders_Load();
+ g_observers.realise();
+ }
+}
+
+void Shaders_Unrealise(){
+ if ( ++g_shaders_unrealised == 1 ) {
+ g_observers.unrealise();
+ Shaders_Free();
+ }
+}
+
+void Shaders_Refresh(){
+ Shaders_Unrealise();
+ Shaders_Realise();
+}
+
+class Quake3ShaderSystem : public ShaderSystem, public ModuleObserver
+{
+public:
+void realise(){
+ Shaders_Realise();
+}
+
+void unrealise(){
+ Shaders_Unrealise();
+}
+
+void refresh(){
+ Shaders_Refresh();
+}
+
+IShader* getShaderForName( const char* name ){
+ return Shader_ForName( name );
+}
+
+void foreachShaderName( const ShaderNameCallback& callback ){
+ for ( ShaderDefinitionMap::const_iterator i = g_shaderDefinitions.begin(); i != g_shaderDefinitions.end(); ++i )
{
- if ( b->patchBrush && !strcmp( b->pPatch->pShader->getShaderFileName(), name ) ) {
- SetShader( b->pPatch );
- }
- else{
- for ( f = b->brush_faces; f; f = f->next )
- if ( !strcmp( f->pShader->getShaderFileName(), name ) ) {
- SetShader( f );
- }
- }
+ callback( ( *i ).first.c_str() );
}
- // call Texture_ShowInUse to clean and display only what's required
- g_ShadersTable.m_pfnTexture_ShowInuse();
- QERApp_SortActiveShaders();
- g_FuncTable.m_pfnSysUpdateWindows( W_TEXTURE );
}
-void CShaderArray::SetDisplayed( bool b ){
- int i, count;
- count = CPtrArray::GetSize();
- for ( i = 0; i < count; i++ )
- static_cast < IShader * >( CPtrArray::GetAt( i ) )->SetDisplayed( b );
+void beginActiveShadersIterator(){
+ ActiveShaders_IteratorBegin();
}
-void CShaderArray::SetInUse( bool b ){
- int i, count;
- count = CPtrArray::GetSize();
- for ( i = 0; i < count; i++ )
- static_cast < IShader * >( CPtrArray::GetAt( i ) )->SetInUse( b );
+bool endActiveShadersIterator(){
+ return ActiveShaders_IteratorAtEnd();
}
-// Set the IsDisplayed flag on all active shaders
-void WINAPI QERApp_ActiveShaders_SetDisplayed( bool b ){
- g_ActiveShaders.SetDisplayed( b );
+IShader* dereferenceActiveShadersIterator(){
+ return ActiveShaders_IteratorCurrent();
}
-void WINAPI QERApp_ActiveShaders_SetInUse( bool b ){
- g_ActiveShaders.SetInUse( b );
+void incrementActiveShadersIterator(){
+ ActiveShaders_IteratorIncrement();
}
-// =============================================================================
-// SYNAPSE
+void setActiveShadersChangedNotify( const Callback<void()>& notify ){
+ g_ActiveShadersChangedNotify = notify;
+}
-bool CSynapseClientShaders::RequestAPI( APIDescriptor_t *pAPI ){
- if ( !strcmp( pAPI->major_name, SHADERS_MAJOR ) ) {
- _QERShadersTable* pTable = static_cast<_QERShadersTable*>( pAPI->mpTable );
+void attach( ModuleObserver& observer ){
+ g_observers.attach( observer );
+}
- pTable->m_pfnFreeShaders = QERApp_FreeShaders;
- pTable->m_pfnReloadShaders = QERApp_ReloadShaders;
- pTable->m_pfnLoadShadersFromDir = QERApp_LoadShadersFromDir;
- pTable->m_pfnReloadShaderFile = QERApp_ReloadShaderFile;
- pTable->m_pfnLoadShaderFile = QERApp_LoadShaderFile;
- pTable->m_pfnHasShader = QERApp_HasShader;
- pTable->m_pfnTry_Shader_ForName = QERApp_Try_Shader_ForName;
- pTable->m_pfnShader_ForName = QERApp_Shader_ForName;
- pTable->m_pfnTry_Texture_ForName = QERApp_Try_Texture_ForName;
- pTable->m_pfnTexture_ForName = QERApp_Texture_ForName2;
- pTable->m_pfnGetActiveShaderCount = QERApp_GetActiveShaderCount;
- pTable->m_pfnColorShader_ForName = QERApp_ColorShader_ForName;
- pTable->m_pfnShader_ForName_NoLoad = QERApp_Shader_ForName_NoLoad;
- pTable->m_pfnActiveShaders_SetInUse = QERApp_ActiveShaders_SetInUse;
- pTable->m_pfnSortActiveShaders = QERApp_SortActiveShaders;
- pTable->m_pfnActiveShader_ForTextureName = QERApp_ActiveShader_ForTextureName;
- pTable->m_pfnCreateShader_ForTextureName = QERApp_CreateShader_ForTextureName;
- pTable->m_pfnActiveShaders_SetDisplayed = QERApp_ActiveShaders_SetDisplayed;
- pTable->m_pfnActiveShader_ForIndex = QERApp_ActiveShader_ForIndex;
- pTable->m_pfnCleanTextureName = QERApp_CleanTextureName;
+void detach( ModuleObserver& observer ){
+ g_observers.detach( observer );
+}
- return true;
+void setLightingEnabled( bool enabled ){
+ if ( CShader::m_lightingEnabled != enabled ) {
+ for ( shaders_t::const_iterator i = g_ActiveShaders.begin(); i != g_ActiveShaders.end(); ++i )
+ {
+ ( *i ).second->unrealiseLighting();
+ }
+ CShader::m_lightingEnabled = enabled;
+ for ( shaders_t::const_iterator i = g_ActiveShaders.begin(); i != g_ActiveShaders.end(); ++i )
+ {
+ ( *i ).second->realiseLighting();
+ }
}
+}
- Syn_Printf( "ERROR: RequestAPI( '%s' ) not found in '%s'\n", pAPI->major_name, GetInfo() );
- return false;
+const char* getTexturePrefix() const {
+ return g_texturePrefix;
+}
+};
+
+Quake3ShaderSystem g_Quake3ShaderSystem;
+
+ShaderSystem& GetShaderSystem(){
+ return g_Quake3ShaderSystem;
+}
+
+void Shaders_Construct(){
+ GlobalFileSystem().attach( g_Quake3ShaderSystem );
+}
+
+void Shaders_Destroy(){
+ GlobalFileSystem().detach( g_Quake3ShaderSystem );
+
+ if ( Shaders_realised() ) {
+ Shaders_Free();
+ }
}
projects / xonotic / netradiant.git / blobdiff