DeclEntityDef.cpp - DOOM-3-BFG - DOOM 3 BFG Edition

DeclEntityDef.cpp (4233B)
      1 /*
      2 ===========================================================================
      3 
      4 Doom 3 BFG Edition GPL Source Code
      5 Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 
      6 
      7 This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  
      8 
      9 Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
     10 it under the terms of the GNU General Public License as published by
     11 the Free Software Foundation, either version 3 of the License, or
     12 (at your option) any later version.
     13 
     14 Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
     15 but WITHOUT ANY WARRANTY; without even the implied warranty of
     16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     17 GNU General Public License for more details.
     18 
     19 You should have received a copy of the GNU General Public License
     20 along with Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.
     21 
     22 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.
     23 
     24 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.
     25 
     26 ===========================================================================
     27 */
     28 
     29 #include "../idlib/precompiled.h"
     30 #pragma hdrstop
     31 
     32 
     33 /*
     34 =================
     35 idDeclEntityDef::Size
     36 =================
     37 */
     38 size_t idDeclEntityDef::Size() const {
     39 	return sizeof( idDeclEntityDef ) + dict.Allocated();
     40 }
     41 
     42 /*
     43 ================
     44 idDeclEntityDef::FreeData
     45 ================
     46 */
     47 void idDeclEntityDef::FreeData() {
     48 	dict.Clear();
     49 }
     50 
     51 /*
     52 ================
     53 idDeclEntityDef::Parse
     54 ================
     55 */
     56 bool idDeclEntityDef::Parse( const char *text, const int textLength, bool allowBinaryVersion ) {
     57 	idLexer src;
     58 	idToken	token, token2;
     59 
     60 	src.LoadMemory( text, textLength, GetFileName(), GetLineNum() );
     61 	src.SetFlags( DECL_LEXER_FLAGS );
     62 	src.SkipUntilString( "{" );
     63 
     64 	while (1) {
     65 		if ( !src.ReadToken( &token ) ) {
     66 			break;
     67 		}
     68 
     69 		if ( !token.Icmp( "}" ) ) {
     70 			break;
     71 		}
     72 		if ( token.type != TT_STRING ) {
     73 			src.Warning( "Expected quoted string, but found '%s'", token.c_str() );
     74 			MakeDefault();
     75 			return false;
     76 		}
     77 
     78 		if ( !src.ReadToken( &token2 ) ) {
     79 			src.Warning( "Unexpected end of file" );
     80 			MakeDefault();
     81 			return false;
     82 		}
     83 
     84 		if ( dict.FindKey( token ) ) {
     85 			src.Warning( "'%s' already defined", token.c_str() );
     86 		}
     87 		dict.Set( token, token2 );
     88 	}
     89 
     90 	// we always automatically set a "classname" key to our name
     91 	dict.Set( "classname", GetName() );
     92 
     93 	// "inherit" keys will cause all values from another entityDef to be copied into this one
     94 	// if they don't conflict.  We can't have circular recursions, because each entityDef will
     95 	// never be parsed mroe than once
     96 
     97 	// find all of the dicts first, because copying inherited values will modify the dict
     98 	idList<const idDeclEntityDef *> defList;
     99 
    100 	while ( 1 ) {
    101 		const idKeyValue *kv;
    102 		kv = dict.MatchPrefix( "inherit", NULL );
    103 		if ( !kv ) {
    104 			break;
    105 		}
    106 
    107 		const idDeclEntityDef *copy = static_cast<const idDeclEntityDef *>( declManager->FindType( DECL_ENTITYDEF, kv->GetValue(), false ) );
    108 		if ( !copy ) {
    109 			src.Warning( "Unknown entityDef '%s' inherited by '%s'", kv->GetValue().c_str(), GetName() );
    110 		} else {
    111 			defList.Append( copy );
    112 		}
    113 
    114 		// delete this key/value pair
    115 		dict.Delete( kv->GetKey() );
    116 	}
    117 
    118 	// now copy over the inherited key / value pairs
    119 	for ( int i = 0 ; i < defList.Num() ; i++ ) {
    120 		dict.SetDefaults( &defList[ i ]->dict );
    121 	}
    122 
    123 	game->CacheDictionaryMedia( &dict );
    124 
    125 	return true;
    126 }
    127 
    128 /*
    129 ================
    130 idDeclEntityDef::DefaultDefinition
    131 ================
    132 */
    133 const char *idDeclEntityDef::DefaultDefinition() const {
    134 	return
    135 		"{\n"
    136 	"\t"	"\"DEFAULTED\"\t\"1\"\n"
    137 		"}";
    138 }
    139 
    140 /*
    141 ================
    142 idDeclEntityDef::Print
    143 
    144 Dumps all key/value pairs, including inherited ones
    145 ================
    146 */
    147 void idDeclEntityDef::Print() {
    148 	dict.Print();
    149 }