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neo/framework/DeclSkin.cpp

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+/*
+===========================================================================
+
+Doom 3 BFG Edition GPL Source Code
+Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 
+
+This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  
+
+Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.
+
+In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.
+
+If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
+
+===========================================================================
+*/
+
+#include "../idlib/precompiled.h"
+#pragma hdrstop
+
+
+/*
+=================
+idDeclSkin::Size
+=================
+*/
+size_t idDeclSkin::Size() const {
+	return sizeof( idDeclSkin );
+}
+
+/*
+================
+idDeclSkin::FreeData
+================
+*/
+void idDeclSkin::FreeData() {
+	mappings.Clear();
+}
+
+/*
+================
+idDeclSkin::Parse
+================
+*/
+bool idDeclSkin::Parse( const char *text, const int textLength, bool allowBinaryVersion ) {
+	idLexer src;
+	idToken	token, token2;
+
+	src.LoadMemory( text, textLength, GetFileName(), GetLineNum() );
+	src.SetFlags( DECL_LEXER_FLAGS );
+	src.SkipUntilString( "{" );
+
+	associatedModels.Clear();
+
+	while (1) {
+		if ( !src.ReadToken( &token ) ) {
+			break;
+		}
+
+		if ( !token.Icmp( "}" ) ) {
+			break;
+		}
+		if ( !src.ReadToken( &token2 ) ) {
+			src.Warning( "Unexpected end of file" );
+			MakeDefault();
+			return false;
+		}
+
+		if ( !token.Icmp( "model" ) ) {
+			associatedModels.Append( token2 );
+			continue;
+		}
+
+		skinMapping_t	map;
+
+		if ( !token.Icmp( "*" ) ) {
+			// wildcard
+			map.from = NULL;
+		} else {
+			map.from = declManager->FindMaterial( token );
+		}
+
+		map.to = declManager->FindMaterial( token2 );
+
+		mappings.Append( map );
+	}
+
+	return false;
+}
+
+/*
+================
+idDeclSkin::SetDefaultText
+================
+*/
+bool idDeclSkin::SetDefaultText() {
+	// if there exists a material with the same name
+	if ( declManager->FindType( DECL_MATERIAL, GetName(), false ) ) {
+		char generated[2048];
+
+		idStr::snPrintf( generated, sizeof( generated ),
+						"skin %s // IMPLICITLY GENERATED\n"
+						"{\n"
+						"_default %s\n"
+						"}\n", GetName(), GetName() );
+		SetText( generated );
+		return true;
+	} else {
+		return false;
+	}
+}
+
+/*
+================
+idDeclSkin::DefaultDefinition
+================
+*/
+const char *idDeclSkin::DefaultDefinition() const {
+	return
+		"{\n"
+	"\t"	"\"*\"\t\"_default\"\n"
+		"}";
+}
+
+/*
+================
+idDeclSkin::GetNumModelAssociations
+================
+*/
+const int idDeclSkin::GetNumModelAssociations(void ) const {
+	return associatedModels.Num(); 
+}
+
+/*
+================
+idDeclSkin::GetAssociatedModel
+================
+*/
+const char *idDeclSkin::GetAssociatedModel( int index ) const {
+	if ( index >= 0 && index < associatedModels.Num() ) {
+		return associatedModels[ index ];
+	}
+	return "";
+}
+
+/*
+===============
+RemapShaderBySkin
+===============
+*/
+const idMaterial *idDeclSkin::RemapShaderBySkin( const idMaterial *shader ) const {
+	int		i;
+
+	if ( !shader ) {
+		return NULL;
+	}
+
+	// never remap surfaces that were originally nodraw, like collision hulls
+	if ( !shader->IsDrawn() ) {
+		return shader;
+	}
+
+	for ( i = 0; i < mappings.Num() ; i++ ) {
+		const skinMapping_t	*map = &mappings[i];
+
+		// NULL = wildcard match
+		if ( !map->from || map->from == shader ) {
+			return map->to;
+		}
+	}
+
+	// didn't find a match or wildcard, so stay the same
+	return shader;
+}