md2 file format in ne eigene Datei
This commit is contained in:
Yamagi Burmeister
parent
719b958688
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0e2f4364fb
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/*
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* Copyright (C) 1997-2001 Id Software, Inc.
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*
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* This program 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 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* =======================================================================
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*
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* MD2 file format
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*
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* =======================================================================
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*/
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#include "../header/local.h"
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void
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Mod_LoadAliasModel ( model_t *mod, void *buffer )
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{
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int i, j;
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dmdl_t *pinmodel, *pheader;
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dstvert_t *pinst, *poutst;
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dtriangle_t *pintri, *pouttri;
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daliasframe_t *pinframe, *poutframe;
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int *pincmd, *poutcmd;
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int version;
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pinmodel = (dmdl_t *) buffer;
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version = LittleLong( pinmodel->version );
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if ( version != ALIAS_VERSION )
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{
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ri.Sys_Error( ERR_DROP, "%s has wrong version number (%i should be %i)",
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mod->name, version, ALIAS_VERSION );
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}
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pheader = Hunk_Alloc( LittleLong( pinmodel->ofs_end ) );
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/* byte swap the header fields and sanity check */
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for ( i = 0; i < sizeof ( dmdl_t ) / 4; i++ )
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{
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( (int *) pheader ) [ i ] = LittleLong( ( (int *) buffer ) [ i ] );
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}
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if ( pheader->skinheight > MAX_LBM_HEIGHT )
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{
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ri.Sys_Error( ERR_DROP, "model %s has a skin taller than %d", mod->name,
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MAX_LBM_HEIGHT );
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}
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if ( pheader->num_xyz <= 0 )
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{
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ri.Sys_Error( ERR_DROP, "model %s has no vertices", mod->name );
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}
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if ( pheader->num_xyz > MAX_VERTS )
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{
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ri.Sys_Error( ERR_DROP, "model %s has too many vertices", mod->name );
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}
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if ( pheader->num_st <= 0 )
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{
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ri.Sys_Error( ERR_DROP, "model %s has no st vertices", mod->name );
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}
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if ( pheader->num_tris <= 0 )
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{
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ri.Sys_Error( ERR_DROP, "model %s has no triangles", mod->name );
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}
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if ( pheader->num_frames <= 0 )
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{
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ri.Sys_Error( ERR_DROP, "model %s has no frames", mod->name );
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}
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/* load base s and t vertices (not used in gl version) */
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pinst = (dstvert_t *) ( (byte *) pinmodel + pheader->ofs_st );
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poutst = (dstvert_t *) ( (byte *) pheader + pheader->ofs_st );
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for ( i = 0; i < pheader->num_st; i++ )
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{
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poutst [ i ].s = LittleShort( pinst [ i ].s );
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poutst [ i ].t = LittleShort( pinst [ i ].t );
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}
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/* load triangle lists */
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pintri = (dtriangle_t *) ( (byte *) pinmodel + pheader->ofs_tris );
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pouttri = (dtriangle_t *) ( (byte *) pheader + pheader->ofs_tris );
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for ( i = 0; i < pheader->num_tris; i++ )
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{
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for ( j = 0; j < 3; j++ )
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{
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pouttri [ i ].index_xyz [ j ] = LittleShort( pintri [ i ].index_xyz [ j ] );
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pouttri [ i ].index_st [ j ] = LittleShort( pintri [ i ].index_st [ j ] );
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}
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}
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/* load the frames */
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for ( i = 0; i < pheader->num_frames; i++ )
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{
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pinframe = (daliasframe_t *) ( (byte *) pinmodel
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+ pheader->ofs_frames + i * pheader->framesize );
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poutframe = (daliasframe_t *) ( (byte *) pheader
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+ pheader->ofs_frames + i * pheader->framesize );
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memcpy( poutframe->name, pinframe->name, sizeof ( poutframe->name ) );
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for ( j = 0; j < 3; j++ )
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{
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poutframe->scale [ j ] = LittleFloat( pinframe->scale [ j ] );
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poutframe->translate [ j ] = LittleFloat( pinframe->translate [ j ] );
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}
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/* verts are all 8 bit, so no swapping needed */
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memcpy( poutframe->verts, pinframe->verts,
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pheader->num_xyz * sizeof ( dtrivertx_t ) );
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}
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mod->type = mod_alias;
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/* load the glcmds */
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pincmd = (int *) ( (byte *) pinmodel + pheader->ofs_glcmds );
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poutcmd = (int *) ( (byte *) pheader + pheader->ofs_glcmds );
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for ( i = 0; i < pheader->num_glcmds; i++ )
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{
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poutcmd [ i ] = LittleLong( pincmd [ i ] );
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}
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/* register all skins */
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memcpy( (char *) pheader + pheader->ofs_skins, (char *) pinmodel + pheader->ofs_skins,
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pheader->num_skins * MAX_SKINNAME );
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for ( i = 0; i < pheader->num_skins; i++ )
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{
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mod->skins [ i ] = GL_FindImage( (char *) pheader + pheader->ofs_skins + i * MAX_SKINNAME,
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it_skin );
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}
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mod->mins [ 0 ] = -32;
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mod->mins [ 1 ] = -32;
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mod->mins [ 2 ] = -32;
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mod->maxs [ 0 ] = 32;
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mod->maxs [ 1 ] = 32;
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mod->maxs [ 2 ] = 32;
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}
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@ -939,139 +939,6 @@ Mod_LoadBrushModel ( model_t *mod, void *buffer )
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}
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}
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void
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Mod_LoadAliasModel ( model_t *mod, void *buffer )
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{
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int i, j;
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dmdl_t *pinmodel, *pheader;
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dstvert_t *pinst, *poutst;
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dtriangle_t *pintri, *pouttri;
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daliasframe_t *pinframe, *poutframe;
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int *pincmd, *poutcmd;
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int version;
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pinmodel = (dmdl_t *) buffer;
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version = LittleLong( pinmodel->version );
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if ( version != ALIAS_VERSION )
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{
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ri.Sys_Error( ERR_DROP, "%s has wrong version number (%i should be %i)",
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mod->name, version, ALIAS_VERSION );
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}
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pheader = Hunk_Alloc( LittleLong( pinmodel->ofs_end ) );
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/* byte swap the header fields and sanity check */
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for ( i = 0; i < sizeof ( dmdl_t ) / 4; i++ )
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{
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( (int *) pheader ) [ i ] = LittleLong( ( (int *) buffer ) [ i ] );
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}
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if ( pheader->skinheight > MAX_LBM_HEIGHT )
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{
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ri.Sys_Error( ERR_DROP, "model %s has a skin taller than %d", mod->name,
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MAX_LBM_HEIGHT );
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}
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if ( pheader->num_xyz <= 0 )
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{
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ri.Sys_Error( ERR_DROP, "model %s has no vertices", mod->name );
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}
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if ( pheader->num_xyz > MAX_VERTS )
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{
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ri.Sys_Error( ERR_DROP, "model %s has too many vertices", mod->name );
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}
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if ( pheader->num_st <= 0 )
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{
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ri.Sys_Error( ERR_DROP, "model %s has no st vertices", mod->name );
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}
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if ( pheader->num_tris <= 0 )
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{
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ri.Sys_Error( ERR_DROP, "model %s has no triangles", mod->name );
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}
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if ( pheader->num_frames <= 0 )
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{
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ri.Sys_Error( ERR_DROP, "model %s has no frames", mod->name );
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}
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/* load base s and t vertices (not used in gl version) */
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pinst = (dstvert_t *) ( (byte *) pinmodel + pheader->ofs_st );
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poutst = (dstvert_t *) ( (byte *) pheader + pheader->ofs_st );
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for ( i = 0; i < pheader->num_st; i++ )
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{
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poutst [ i ].s = LittleShort( pinst [ i ].s );
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poutst [ i ].t = LittleShort( pinst [ i ].t );
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}
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/* load triangle lists */
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pintri = (dtriangle_t *) ( (byte *) pinmodel + pheader->ofs_tris );
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pouttri = (dtriangle_t *) ( (byte *) pheader + pheader->ofs_tris );
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for ( i = 0; i < pheader->num_tris; i++ )
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{
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for ( j = 0; j < 3; j++ )
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{
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pouttri [ i ].index_xyz [ j ] = LittleShort( pintri [ i ].index_xyz [ j ] );
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pouttri [ i ].index_st [ j ] = LittleShort( pintri [ i ].index_st [ j ] );
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}
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}
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/* load the frames */
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for ( i = 0; i < pheader->num_frames; i++ )
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{
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pinframe = (daliasframe_t *) ( (byte *) pinmodel
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+ pheader->ofs_frames + i * pheader->framesize );
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poutframe = (daliasframe_t *) ( (byte *) pheader
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+ pheader->ofs_frames + i * pheader->framesize );
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memcpy( poutframe->name, pinframe->name, sizeof ( poutframe->name ) );
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for ( j = 0; j < 3; j++ )
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{
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poutframe->scale [ j ] = LittleFloat( pinframe->scale [ j ] );
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poutframe->translate [ j ] = LittleFloat( pinframe->translate [ j ] );
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}
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/* verts are all 8 bit, so no swapping needed */
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memcpy( poutframe->verts, pinframe->verts,
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pheader->num_xyz * sizeof ( dtrivertx_t ) );
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}
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mod->type = mod_alias;
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/* load the glcmds */
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pincmd = (int *) ( (byte *) pinmodel + pheader->ofs_glcmds );
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poutcmd = (int *) ( (byte *) pheader + pheader->ofs_glcmds );
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for ( i = 0; i < pheader->num_glcmds; i++ )
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{
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poutcmd [ i ] = LittleLong( pincmd [ i ] );
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}
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/* register all skins */
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memcpy( (char *) pheader + pheader->ofs_skins, (char *) pinmodel + pheader->ofs_skins,
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pheader->num_skins * MAX_SKINNAME );
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for ( i = 0; i < pheader->num_skins; i++ )
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{
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mod->skins [ i ] = GL_FindImage( (char *) pheader + pheader->ofs_skins + i * MAX_SKINNAME,
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it_skin );
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}
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mod->mins [ 0 ] = -32;
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mod->mins [ 1 ] = -32;
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mod->mins [ 2 ] = -32;
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mod->maxs [ 0 ] = 32;
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mod->maxs [ 1 ] = 32;
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mod->maxs [ 2 ] = 32;
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}
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/*
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* Specifies the model that will be used as the world
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*/
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