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https://github.com/dhewm/dhewm3.git
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676 lines
20 KiB
C
676 lines
20 KiB
C
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 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 Source Code. If not, please request a copy in writing from id Software at the address below.
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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.
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===========================================================================
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*/
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#ifndef __LWO2_H__
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#define __LWO2_H__
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/*
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======================================================================
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LWO2 loader. (LightWave Object)
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Ernie Wright 17 Sep 00
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======================================================================
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*/
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/* chunk and subchunk IDs */
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#define LWID_(a,b,c,d) (((a)<<24)|((b)<<16)|((c)<<8)|(d))
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#define ID_FORM LWID_('F','O','R','M')
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#define ID_LWO2 LWID_('L','W','O','2')
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#define ID_LWOB LWID_('L','W','O','B')
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/* top-level chunks */
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#define ID_LAYR LWID_('L','A','Y','R')
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#define ID_TAGS LWID_('T','A','G','S')
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#define ID_PNTS LWID_('P','N','T','S')
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#define ID_BBOX LWID_('B','B','O','X')
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#define ID_VMAP LWID_('V','M','A','P')
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#define ID_VMAD LWID_('V','M','A','D')
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#define ID_POLS LWID_('P','O','L','S')
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#define ID_PTAG LWID_('P','T','A','G')
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#define ID_ENVL LWID_('E','N','V','L')
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#define ID_CLIP LWID_('C','L','I','P')
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#define ID_SURF LWID_('S','U','R','F')
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#define ID_DESC LWID_('D','E','S','C')
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#define ID_TEXT LWID_('T','E','X','T')
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#define ID_ICON LWID_('I','C','O','N')
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/* polygon types */
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#define ID_FACE LWID_('F','A','C','E')
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#define ID_CURV LWID_('C','U','R','V')
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#define ID_PTCH LWID_('P','T','C','H')
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#define ID_MBAL LWID_('M','B','A','L')
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#define ID_BONE LWID_('B','O','N','E')
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/* polygon tags */
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#define ID_SURF LWID_('S','U','R','F')
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#define ID_PART LWID_('P','A','R','T')
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#define ID_SMGP LWID_('S','M','G','P')
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/* envelopes */
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#define ID_PRE LWID_('P','R','E',' ')
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#define ID_POST LWID_('P','O','S','T')
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#define ID_KEY LWID_('K','E','Y',' ')
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#define ID_SPAN LWID_('S','P','A','N')
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#define ID_TCB LWID_('T','C','B',' ')
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#define ID_HERM LWID_('H','E','R','M')
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#define ID_BEZI LWID_('B','E','Z','I')
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#define ID_BEZ2 LWID_('B','E','Z','2')
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#define ID_LINE LWID_('L','I','N','E')
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#define ID_STEP LWID_('S','T','E','P')
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/* clips */
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#define ID_STIL LWID_('S','T','I','L')
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#define ID_ISEQ LWID_('I','S','E','Q')
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#define ID_ANIM LWID_('A','N','I','M')
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#define ID_XREF LWID_('X','R','E','F')
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#define ID_STCC LWID_('S','T','C','C')
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#define ID_TIME LWID_('T','I','M','E')
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#define ID_CONT LWID_('C','O','N','T')
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#define ID_BRIT LWID_('B','R','I','T')
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#define ID_SATR LWID_('S','A','T','R')
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#define ID_HUE LWID_('H','U','E',' ')
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#define ID_GAMM LWID_('G','A','M','M')
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#define ID_NEGA LWID_('N','E','G','A')
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#define ID_IFLT LWID_('I','F','L','T')
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#define ID_PFLT LWID_('P','F','L','T')
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/* surfaces */
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#define ID_COLR LWID_('C','O','L','R')
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#define ID_LUMI LWID_('L','U','M','I')
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#define ID_DIFF LWID_('D','I','F','F')
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#define ID_SPEC LWID_('S','P','E','C')
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#define ID_GLOS LWID_('G','L','O','S')
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#define ID_REFL LWID_('R','E','F','L')
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#define ID_RFOP LWID_('R','F','O','P')
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#define ID_RIMG LWID_('R','I','M','G')
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#define ID_RSAN LWID_('R','S','A','N')
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#define ID_TRAN LWID_('T','R','A','N')
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#define ID_TROP LWID_('T','R','O','P')
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#define ID_TIMG LWID_('T','I','M','G')
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#define ID_RIND LWID_('R','I','N','D')
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#define ID_TRNL LWID_('T','R','N','L')
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#define ID_BUMP LWID_('B','U','M','P')
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#define ID_SMAN LWID_('S','M','A','N')
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#define ID_SIDE LWID_('S','I','D','E')
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#define ID_CLRH LWID_('C','L','R','H')
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#define ID_CLRF LWID_('C','L','R','F')
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#define ID_ADTR LWID_('A','D','T','R')
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#define ID_SHRP LWID_('S','H','R','P')
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#define ID_LINE LWID_('L','I','N','E')
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#define ID_LSIZ LWID_('L','S','I','Z')
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#define ID_ALPH LWID_('A','L','P','H')
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#define ID_AVAL LWID_('A','V','A','L')
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#define ID_GVAL LWID_('G','V','A','L')
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#define ID_BLOK LWID_('B','L','O','K')
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/* texture layer */
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#define ID_TYPE LWID_('T','Y','P','E')
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#define ID_CHAN LWID_('C','H','A','N')
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#define ID_NAME LWID_('N','A','M','E')
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#define ID_ENAB LWID_('E','N','A','B')
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#define ID_OPAC LWID_('O','P','A','C')
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#define ID_FLAG LWID_('F','L','A','G')
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#define ID_PROJ LWID_('P','R','O','J')
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#define ID_STCK LWID_('S','T','C','K')
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#define ID_TAMP LWID_('T','A','M','P')
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/* texture coordinates */
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#define ID_TMAP LWID_('T','M','A','P')
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#define ID_AXIS LWID_('A','X','I','S')
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#define ID_CNTR LWID_('C','N','T','R')
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#define ID_SIZE LWID_('S','I','Z','E')
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#define ID_ROTA LWID_('R','O','T','A')
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#define ID_OREF LWID_('O','R','E','F')
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#define ID_FALL LWID_('F','A','L','L')
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#define ID_CSYS LWID_('C','S','Y','S')
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/* image map */
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#define ID_IMAP LWID_('I','M','A','P')
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#define ID_IMAG LWID_('I','M','A','G')
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#define ID_WRAP LWID_('W','R','A','P')
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#define ID_WRPW LWID_('W','R','P','W')
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#define ID_WRPH LWID_('W','R','P','H')
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#define ID_VMAP LWID_('V','M','A','P')
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#define ID_AAST LWID_('A','A','S','T')
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#define ID_PIXB LWID_('P','I','X','B')
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/* procedural */
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#define ID_PROC LWID_('P','R','O','C')
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#define ID_COLR LWID_('C','O','L','R')
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#define ID_VALU LWID_('V','A','L','U')
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#define ID_FUNC LWID_('F','U','N','C')
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#define ID_FTPS LWID_('F','T','P','S')
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#define ID_ITPS LWID_('I','T','P','S')
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#define ID_ETPS LWID_('E','T','P','S')
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/* gradient */
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#define ID_GRAD LWID_('G','R','A','D')
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#define ID_GRST LWID_('G','R','S','T')
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#define ID_GREN LWID_('G','R','E','N')
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#define ID_PNAM LWID_('P','N','A','M')
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#define ID_INAM LWID_('I','N','A','M')
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#define ID_GRPT LWID_('G','R','P','T')
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#define ID_FKEY LWID_('F','K','E','Y')
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#define ID_IKEY LWID_('I','K','E','Y')
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/* shader */
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#define ID_SHDR LWID_('S','H','D','R')
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#define ID_DATA LWID_('D','A','T','A')
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/* generic linked list */
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typedef struct st_lwNode {
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struct st_lwNode *next, *prev;
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void *data;
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} lwNode;
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/* plug-in reference */
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typedef struct st_lwPlugin {
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struct st_lwPlugin *next, *prev;
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char *ord;
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char *name;
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int flags;
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void *data;
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} lwPlugin;
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/* envelopes */
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typedef struct st_lwKey {
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struct st_lwKey *next, *prev;
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float value;
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float time;
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unsigned int shape; /* ID_TCB, ID_BEZ2, etc. */
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float tension;
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float continuity;
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float bias;
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float param[ 4 ];
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} lwKey;
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typedef struct st_lwEnvelope {
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struct st_lwEnvelope *next, *prev;
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int index;
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int type;
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char *name;
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lwKey *key; /* linked list of keys */
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int nkeys;
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int behavior[ 2 ]; /* pre and post (extrapolation) */
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lwPlugin *cfilter; /* linked list of channel filters */
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int ncfilters;
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} lwEnvelope;
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#define BEH_RESET 0
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#define BEH_CONSTANT 1
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#define BEH_REPEAT 2
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#define BEH_OSCILLATE 3
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#define BEH_OFFSET 4
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#define BEH_LINEAR 5
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/* values that can be enveloped */
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typedef struct st_lwEParam {
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float val;
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int eindex;
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} lwEParam;
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typedef struct st_lwVParam {
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float val[ 3 ];
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int eindex;
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} lwVParam;
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/* clips */
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typedef struct st_lwClipStill {
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char *name;
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} lwClipStill;
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typedef struct st_lwClipSeq {
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char *prefix; /* filename before sequence digits */
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char *suffix; /* after digits, e.g. extensions */
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int digits;
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int flags;
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int offset;
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int start;
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int end;
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} lwClipSeq;
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typedef struct st_lwClipAnim {
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char *name;
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char *server; /* anim loader plug-in */
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void *data;
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} lwClipAnim;
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typedef struct st_lwClipXRef {
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char *string;
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int index;
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struct st_lwClip *clip;
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} lwClipXRef;
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typedef struct st_lwClipCycle {
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char *name;
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int lo;
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int hi;
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} lwClipCycle;
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typedef struct st_lwClip {
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struct st_lwClip *next, *prev;
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int index;
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unsigned int type; /* ID_STIL, ID_ISEQ, etc. */
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union {
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lwClipStill still;
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lwClipSeq seq;
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lwClipAnim anim;
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lwClipXRef xref;
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lwClipCycle cycle;
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} source;
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float start_time;
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float duration;
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float frame_rate;
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lwEParam contrast;
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lwEParam brightness;
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lwEParam saturation;
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lwEParam hue;
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lwEParam gamma;
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int negative;
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lwPlugin *ifilter; /* linked list of image filters */
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int nifilters;
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lwPlugin *pfilter; /* linked list of pixel filters */
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int npfilters;
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} lwClip;
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/* textures */
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typedef struct st_lwTMap {
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lwVParam size;
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lwVParam center;
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lwVParam rotate;
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lwVParam falloff;
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int fall_type;
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char *ref_object;
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int coord_sys;
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} lwTMap;
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typedef struct st_lwImageMap {
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int cindex;
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int projection;
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char *vmap_name;
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int axis;
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int wrapw_type;
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int wraph_type;
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lwEParam wrapw;
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lwEParam wraph;
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float aa_strength;
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int aas_flags;
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int pblend;
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lwEParam stck;
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lwEParam amplitude;
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} lwImageMap;
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#define PROJ_PLANAR 0
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#define PROJ_CYLINDRICAL 1
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#define PROJ_SPHERICAL 2
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#define PROJ_CUBIC 3
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#define PROJ_FRONT 4
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#define WRAP_NONE 0
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#define WRAP_EDGE 1
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#define WRAP_REPEAT 2
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#define WRAP_MIRROR 3
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typedef struct st_lwProcedural {
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int axis;
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float value[ 3 ];
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char *name;
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void *data;
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} lwProcedural;
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typedef struct st_lwGradKey {
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struct st_lwGradKey *next, *prev;
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float value;
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float rgba[ 4 ];
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} lwGradKey;
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typedef struct st_lwGradient {
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char *paramname;
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char *itemname;
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float start;
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float end;
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int repeat;
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lwGradKey *key; /* array of gradient keys */
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short *ikey; /* array of interpolation codes */
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} lwGradient;
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typedef struct st_lwTexture {
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struct st_lwTexture *next, *prev;
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char *ord;
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unsigned int type;
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unsigned int chan;
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lwEParam opacity;
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short opac_type;
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short enabled;
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short negative;
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short axis;
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union {
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lwImageMap imap;
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lwProcedural proc;
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lwGradient grad;
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} param;
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lwTMap tmap;
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} lwTexture;
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/* values that can be textured */
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typedef struct st_lwTParam {
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float val;
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int eindex;
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lwTexture *tex; /* linked list of texture layers */
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} lwTParam;
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typedef struct st_lwCParam {
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float rgb[ 3 ];
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int eindex;
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lwTexture *tex; /* linked list of texture layers */
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} lwCParam;
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/* surfaces */
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typedef struct st_lwGlow {
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short enabled;
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short type;
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lwEParam intensity;
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lwEParam size;
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} Glow;
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typedef struct st_lwRMap {
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lwTParam val;
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int options;
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int cindex;
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float seam_angle;
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} lwRMap;
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typedef struct st_lwLine {
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short enabled;
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unsigned short flags;
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lwEParam size;
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} lwLine;
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typedef struct st_lwSurface {
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struct st_lwSurface *next, *prev;
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char *name;
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char *srcname;
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lwCParam color;
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lwTParam luminosity;
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lwTParam diffuse;
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lwTParam specularity;
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lwTParam glossiness;
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lwRMap reflection;
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lwRMap transparency;
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lwTParam eta;
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lwTParam translucency;
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lwTParam bump;
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float smooth;
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int sideflags;
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float alpha;
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int alpha_mode;
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lwEParam color_hilite;
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lwEParam color_filter;
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lwEParam add_trans;
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lwEParam dif_sharp;
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lwEParam glow;
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lwLine line;
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lwPlugin *shader; /* linked list of shaders */
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int nshaders;
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} lwSurface;
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/* vertex maps */
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typedef struct st_lwVMap {
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struct st_lwVMap *next, *prev;
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char *name;
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unsigned int type;
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int dim;
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int nverts;
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int perpoly;
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int *vindex; /* array of point indexes */
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int *pindex; /* array of polygon indexes */
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float **val;
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// added by duffy
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int offset;
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} lwVMap;
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typedef struct st_lwVMapPt {
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lwVMap *vmap;
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int index; /* vindex or pindex element */
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} lwVMapPt;
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/* points and polygons */
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typedef struct st_lwPoint {
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float pos[ 3 ];
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int npols; /* number of polygons sharing the point */
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int *pol; /* array of polygon indexes */
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int nvmaps;
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lwVMapPt *vm; /* array of vmap references */
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} lwPoint;
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typedef struct st_lwPolVert {
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int index; /* index into the point array */
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float norm[ 3 ];
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int nvmaps;
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lwVMapPt *vm; /* array of vmap references */
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} lwPolVert;
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typedef struct st_lwPolygon {
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lwSurface *surf;
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int part; /* part index */
|
|
int smoothgrp; /* smoothing group */
|
|
int flags;
|
|
unsigned int type;
|
|
float norm[ 3 ];
|
|
int nverts;
|
|
lwPolVert *v; /* array of vertex records */
|
|
} lwPolygon;
|
|
|
|
typedef struct st_lwPointList {
|
|
int count;
|
|
int offset; /* only used during reading */
|
|
lwPoint *pt; /* array of points */
|
|
} lwPointList;
|
|
|
|
typedef struct st_lwPolygonList {
|
|
int count;
|
|
int offset; /* only used during reading */
|
|
int vcount; /* total number of vertices */
|
|
int voffset; /* only used during reading */
|
|
lwPolygon *pol; /* array of polygons */
|
|
} lwPolygonList;
|
|
|
|
|
|
/* geometry layers */
|
|
|
|
typedef struct st_lwLayer {
|
|
struct st_lwLayer *next, *prev;
|
|
char *name;
|
|
int index;
|
|
int parent;
|
|
int flags;
|
|
float pivot[ 3 ];
|
|
float bbox[ 6 ];
|
|
lwPointList point;
|
|
lwPolygonList polygon;
|
|
int nvmaps;
|
|
lwVMap *vmap; /* linked list of vmaps */
|
|
} lwLayer;
|
|
|
|
|
|
/* tag strings */
|
|
|
|
typedef struct st_lwTagList {
|
|
int count;
|
|
int offset; /* only used during reading */
|
|
char **tag; /* array of strings */
|
|
} lwTagList;
|
|
|
|
|
|
/* an object */
|
|
|
|
typedef struct st_lwObject {
|
|
ID_TIME_T timeStamp;
|
|
lwLayer * layer; /* linked list of layers */
|
|
lwEnvelope * env; /* linked list of envelopes */
|
|
lwClip * clip; /* linked list of clips */
|
|
lwSurface * surf; /* linked list of surfaces */
|
|
lwTagList taglist;
|
|
int nlayers;
|
|
int nenvs;
|
|
int nclips;
|
|
int nsurfs;
|
|
} lwObject;
|
|
|
|
|
|
/* lwo2.c */
|
|
|
|
lwObject *lwGetObject( const char *filename, unsigned int *failID, int *failpos );
|
|
void lwFreeObject( lwObject *object );
|
|
void lwFreeLayer( lwLayer *layer );
|
|
|
|
/* pntspols.c */
|
|
|
|
void lwFreePoints( lwPointList *point );
|
|
void lwFreePolygons( lwPolygonList *plist );
|
|
int lwGetPoints( idFile *fp, int cksize, lwPointList *point );
|
|
void lwGetBoundingBox( lwPointList *point, float bbox[] );
|
|
int lwAllocPolygons( lwPolygonList *plist, int npols, int nverts );
|
|
int lwGetPolygons( idFile *fp, int cksize, lwPolygonList *plist, int ptoffset );
|
|
void lwGetPolyNormals( lwPointList *point, lwPolygonList *polygon );
|
|
int lwGetPointPolygons( lwPointList *point, lwPolygonList *polygon );
|
|
int lwResolvePolySurfaces( lwPolygonList *polygon, lwTagList *tlist,
|
|
lwSurface **surf, int *nsurfs );
|
|
void lwGetVertNormals( lwPointList *point, lwPolygonList *polygon );
|
|
void lwFreeTags( lwTagList *tlist );
|
|
int lwGetTags( idFile *fp, int cksize, lwTagList *tlist );
|
|
int lwGetPolygonTags( idFile *fp, int cksize, lwTagList *tlist,
|
|
lwPolygonList *plist );
|
|
|
|
/* vmap.c */
|
|
|
|
void lwFreeVMap( lwVMap *vmap );
|
|
lwVMap *lwGetVMap( idFile *fp, int cksize, int ptoffset, int poloffset,
|
|
int perpoly );
|
|
int lwGetPointVMaps( lwPointList *point, lwVMap *vmap );
|
|
int lwGetPolyVMaps( lwPolygonList *polygon, lwVMap *vmap );
|
|
|
|
/* clip.c */
|
|
|
|
void lwFreeClip( lwClip *clip );
|
|
lwClip *lwGetClip( idFile *fp, int cksize );
|
|
lwClip *lwFindClip( lwClip *list, int index );
|
|
|
|
/* envelope.c */
|
|
|
|
void lwFreeEnvelope( lwEnvelope *env );
|
|
lwEnvelope *lwGetEnvelope( idFile *fp, int cksize );
|
|
lwEnvelope *lwFindEnvelope( lwEnvelope *list, int index );
|
|
float lwEvalEnvelope( lwEnvelope *env, float time );
|
|
|
|
/* surface.c */
|
|
|
|
void lwFreePlugin( lwPlugin *p );
|
|
void lwFreeTexture( lwTexture *t );
|
|
void lwFreeSurface( lwSurface *surf );
|
|
int lwGetTHeader( idFile *fp, int hsz, lwTexture *tex );
|
|
int lwGetTMap( idFile *fp, int tmapsz, lwTMap *tmap );
|
|
int lwGetImageMap( idFile *fp, int rsz, lwTexture *tex );
|
|
int lwGetProcedural( idFile *fp, int rsz, lwTexture *tex );
|
|
int lwGetGradient( idFile *fp, int rsz, lwTexture *tex );
|
|
lwTexture *lwGetTexture( idFile *fp, int bloksz, unsigned int type );
|
|
lwPlugin *lwGetShader( idFile *fp, int bloksz );
|
|
lwSurface *lwGetSurface( idFile *fp, int cksize );
|
|
lwSurface *lwDefaultSurface( void );
|
|
|
|
/* lwob.c */
|
|
|
|
lwSurface *lwGetSurface5( idFile *fp, int cksize, lwObject *obj );
|
|
int lwGetPolygons5( idFile *fp, int cksize, lwPolygonList *plist, int ptoffset );
|
|
lwObject *lwGetObject5( const char *filename, unsigned int *failID, int *failpos );
|
|
|
|
/* list.c */
|
|
|
|
void lwListFree( void *list, void ( *freeNode )( void * ));
|
|
void lwListAdd( void **list, void *node );
|
|
void lwListInsert( void **vlist, void *vitem,
|
|
int ( *compare )( void *, void * ));
|
|
|
|
/* vecmath.c */
|
|
|
|
float dot( float a[], float b[] );
|
|
void cross( float a[], float b[], float c[] );
|
|
void normalize( float v[] );
|
|
#define vecangle( a, b ) ( float ) idMath::ACos( dot( a, b ) )
|
|
|
|
/* lwio.c */
|
|
|
|
void set_flen( int i );
|
|
int get_flen( void );
|
|
void *getbytes( idFile *fp, int size );
|
|
void skipbytes( idFile *fp, int n );
|
|
int getI1( idFile *fp );
|
|
short getI2( idFile *fp );
|
|
int getI4( idFile *fp );
|
|
unsigned char getU1( idFile *fp );
|
|
unsigned short getU2( idFile *fp );
|
|
unsigned int getU4( idFile *fp );
|
|
int getVX( idFile *fp );
|
|
float getF4( idFile *fp );
|
|
char *getS0( idFile *fp );
|
|
int sgetI1( unsigned char **bp );
|
|
short sgetI2( unsigned char **bp );
|
|
int sgetI4( unsigned char **bp );
|
|
unsigned char sgetU1( unsigned char **bp );
|
|
unsigned short sgetU2( unsigned char **bp );
|
|
unsigned int sgetU4( unsigned char **bp );
|
|
int sgetVX( unsigned char **bp );
|
|
float sgetF4( unsigned char **bp );
|
|
char *sgetS0( unsigned char **bp );
|
|
|
|
#endif /* !__LWO2_H__ */
|