doom3-bfg/neo/swf/SWF_PlaceObject.cpp

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2012-11-26 18:58:24 +00:00
/*
===========================================================================
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.
===========================================================================
*/
#pragma hdrstop
#include "../idlib/precompiled.h"
int c_PlaceObject2;
int c_PlaceObject3;
#define PlaceFlagHasClipActions BIT( 7 )
#define PlaceFlagHasClipDepth BIT( 6 )
#define PlaceFlagHasName BIT( 5 )
#define PlaceFlagHasRatio BIT( 4 )
#define PlaceFlagHasColorTransform BIT( 3 )
#define PlaceFlagHasMatrix BIT( 2 )
#define PlaceFlagHasCharacter BIT( 1 )
#define PlaceFlagMove BIT( 0 )
#define PlaceFlagPad0 BIT( 7 )
#define PlaceFlagPad1 BIT( 6 )
#define PlaceFlagPad2 BIT( 5 )
#define PlaceFlagHasImage BIT( 4 )
#define PlaceFlagHasClassName BIT( 3 )
#define PlaceFlagCacheAsBitmap BIT( 2 )
#define PlaceFlagHasBlendMode BIT( 1 )
#define PlaceFlagHasFilterList BIT( 0 )
/*
========================
idSWFSpriteInstance::PlaceObject2
========================
*/
void idSWFSpriteInstance::PlaceObject2( idSWFBitStream & bitstream ) {
c_PlaceObject2++;
uint64 flags = bitstream.ReadU8();
int depth = bitstream.ReadU16();
int characterID = -1;
if ( ( flags & PlaceFlagHasCharacter ) != 0 ) {
characterID = bitstream.ReadU16();
}
swfDisplayEntry_t * display = NULL;
if ( ( flags & PlaceFlagMove ) != 0 ) {
// modify an existing entry
display = FindDisplayEntry( depth );
if ( display == NULL ) {
idLib::Warning( "PlaceObject2: trying to modify entry %d, which doesn't exist", depth );
return;
}
if ( characterID >= 0 ) {
// We are very picky about what kind of objects can change characters
// Shapes can become other shapes, but sprites can never change
if ( display->spriteInstance || display->textInstance ) {
idLib::Warning( "PlaceObject2: Trying to change the character of a sprite after it's been created" );
return;
}
idSWFDictionaryEntry * dictEntry = sprite->swf->FindDictionaryEntry( characterID );
if ( dictEntry != NULL ) {
if ( dictEntry->type == SWF_DICT_SPRITE || dictEntry->type == SWF_DICT_EDITTEXT ) {
idLib::Warning( "PlaceObject2: Trying to change the character of a shape to a sprite" );
return;
}
}
display->characterID = characterID;
}
} else {
if ( characterID < 0 ) {
idLib::Warning( "PlaceObject2: Trying to create a new object without a character" );
return;
}
// create a new entry
display = AddDisplayEntry( depth, characterID );
if ( display == NULL ) {
idLib::Warning( "PlaceObject2: trying to create a new entry at %d, but an item already exists there", depth );
return;
}
}
if ( ( flags & PlaceFlagHasMatrix ) != 0 ) {
bitstream.ReadMatrix( display->matrix );
}
if ( ( flags & PlaceFlagHasColorTransform ) != 0 ) {
bitstream.ReadColorXFormRGBA( display->cxf );
}
if ( ( flags & PlaceFlagHasRatio ) != 0 ) {
display->ratio = bitstream.ReadU16() * ( 1.0f / 65535.0f );
}
if ( ( flags & PlaceFlagHasName ) != 0 ) {
idStr name = bitstream.ReadString();
if ( display->spriteInstance ) {
display->spriteInstance->name = name;
scriptObject->Set( name, display->spriteInstance->GetScriptObject() );
} else if ( display->textInstance ) {
scriptObject->Set( name, display->textInstance->GetScriptObject() );
}
}
if ( ( flags & PlaceFlagHasClipDepth ) != 0 ) {
display->clipDepth = bitstream.ReadU16();
}
if ( ( flags & PlaceFlagHasClipActions ) != 0 ) {
// FIXME: clip actions
}
}
/*
========================
idSWFSpriteInstance::PlaceObject3
========================
*/
void idSWFSpriteInstance::PlaceObject3( idSWFBitStream & bitstream ) {
c_PlaceObject3++;
uint64 flags1 = bitstream.ReadU8();
uint64 flags2 = bitstream.ReadU8();
uint16 depth = bitstream.ReadU16();
if ( ( flags2 & PlaceFlagHasClassName ) != 0 || ( ( ( flags2 & PlaceFlagHasImage ) != 0 ) && ( ( flags1 & PlaceFlagHasCharacter ) != 0 ) ) ) {
bitstream.ReadString(); // ignored
}
int characterID = -1;
if ( ( flags1 & PlaceFlagHasCharacter ) != 0 ) {
characterID = bitstream.ReadU16();
}
swfDisplayEntry_t * display = NULL;
if ( ( flags1 & PlaceFlagMove ) != 0 ) {
// modify an existing entry
display = FindDisplayEntry( depth );
if ( display == NULL ) {
idLib::Warning( "PlaceObject3: trying to modify entry %d, which doesn't exist", depth );
return;
}
if ( characterID >= 0 ) {
// We are very picky about what kind of objects can change characters
// Shapes can become other shapes, but sprites can never change
if ( display->spriteInstance || display->textInstance ) {
idLib::Warning( "PlaceObject3: Trying to change the character of a sprite after it's been created" );
return;
}
idSWFDictionaryEntry * dictEntry = sprite->swf->FindDictionaryEntry( characterID );
if ( dictEntry != NULL ) {
if ( dictEntry->type == SWF_DICT_SPRITE || dictEntry->type == SWF_DICT_EDITTEXT ) {
idLib::Warning( "PlaceObject3: Trying to change the character of a shape to a sprite" );
return;
}
}
display->characterID = characterID;
}
} else {
if ( characterID < 0 ) {
idLib::Warning( "PlaceObject3: Trying to create a new object without a character" );
return;
}
// create a new entry
display = AddDisplayEntry( depth, characterID );
if ( display == NULL ) {
idLib::Warning( "PlaceObject3: trying to create a new entry at %d, but an item already exists there", depth );
return;
}
}
if ( ( flags1 & PlaceFlagHasMatrix ) != 0 ) {
bitstream.ReadMatrix( display->matrix );
}
if ( ( flags1 & PlaceFlagHasColorTransform ) != 0 ) {
bitstream.ReadColorXFormRGBA( display->cxf );
}
if ( ( flags1 & PlaceFlagHasRatio ) != 0 ) {
display->ratio = bitstream.ReadU16() * ( 1.0f / 65535.0f );
}
if ( ( flags1 & PlaceFlagHasName ) != 0 ) {
idStr name = bitstream.ReadString();
if ( display->spriteInstance ) {
display->spriteInstance->name = name;
scriptObject->Set( name, display->spriteInstance->GetScriptObject() );
} else if ( display->textInstance ) {
scriptObject->Set( name, display->textInstance->GetScriptObject() );
}
}
if ( ( flags1 & PlaceFlagHasClipDepth ) != 0 ) {
display->clipDepth = bitstream.ReadU16();
}
if ( ( flags2 & PlaceFlagHasFilterList ) != 0 ) {
// we don't support filters and because the filter list is variable length we
// can't support anything after the filter list either (blend modes and clip actions)
idLib::Warning( "PlaceObject3: has filters" );
return;
}
if ( ( flags2 & PlaceFlagHasBlendMode ) != 0 ) {
display->blendMode = bitstream.ReadU8();
}
if ( ( flags1 & PlaceFlagHasClipActions ) != 0 ) {
// FIXME:
}
}
/*
========================
idSWFSpriteInstance::RemoveObject2
========================
*/
void idSWFSpriteInstance::RemoveObject2( idSWFBitStream & bitstream ) {
RemoveDisplayEntry( bitstream.ReadU16() );
}