mirror of
https://git.code.sf.net/p/quake/nuq
synced 2025-02-17 01:22:03 +00:00
c7d8fb3773
type specific code into the appropriate files (which will later be merged as much as possible) and remove all model type specific code from model.c. gl_model.c is no more as it ended up being an exact copy of model.c minus a header include and a prototype, neither of which were needed.
1019 lines
22 KiB
C
1019 lines
22 KiB
C
/*
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model.c
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model loading and caching
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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.
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See the 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 this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "r_local.h"
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#include "sys.h"
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#include "console.h"
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#include "qendian.h"
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#include "checksum.h"
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/*
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===============
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Mod_PointInLeaf
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===============
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*/
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mleaf_t *Mod_PointInLeaf (vec3_t p, model_t *model)
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{
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mnode_t *node;
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float d;
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mplane_t *plane;
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if (!model || !model->nodes)
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Sys_Error ("Mod_PointInLeaf: bad model");
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node = model->nodes;
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while (1)
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{
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if (node->contents < 0)
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return (mleaf_t *)node;
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plane = node->plane;
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d = DotProduct (p, plane->normal) - plane->dist;
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if (d > 0)
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node = node->children[0];
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else
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node = node->children[1];
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}
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return NULL; // never reached
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}
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/*
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===================
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Mod_DecompressVis
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===================
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*/
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byte *Mod_DecompressVis (byte *in, model_t *model)
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{
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static byte decompressed[MAX_MAP_LEAFS/8];
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int c;
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byte *out;
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int row;
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row = (model->numleafs+7)>>3;
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out = decompressed;
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if (!in)
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{ // no vis info, so make all visible
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while (row)
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{
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*out++ = 0xff;
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row--;
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}
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return decompressed;
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}
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do
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{
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if (*in)
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{
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*out++ = *in++;
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continue;
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}
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c = in[1];
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in += 2;
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while (c)
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{
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*out++ = 0;
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c--;
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}
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} while (out - decompressed < row);
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return decompressed;
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}
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byte *Mod_LeafPVS (mleaf_t *leaf, model_t *model)
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{
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if (leaf == model->leafs)
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return mod_novis;
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return Mod_DecompressVis (leaf->compressed_vis, model);
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}
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/*
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===============================================================================
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BRUSHMODEL LOADING
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===============================================================================
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*/
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byte *mod_base;
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/*
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=================
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Mod_LoadTextures
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=================
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*/
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void Mod_LoadTextures (lump_t *l)
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{
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int i, j, pixels, num, max, altmax;
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miptex_t *mt;
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texture_t *tx, *tx2;
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texture_t *anims[10];
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texture_t *altanims[10];
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dmiptexlump_t *m;
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if (!l->filelen)
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{
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loadmodel->textures = NULL;
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return;
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}
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m = (dmiptexlump_t *)(mod_base + l->fileofs);
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m->nummiptex = LittleLong (m->nummiptex);
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loadmodel->numtextures = m->nummiptex;
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loadmodel->textures = Hunk_AllocName (m->nummiptex * sizeof(*loadmodel->textures) , loadname);
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for (i=0 ; i<m->nummiptex ; i++)
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{
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m->dataofs[i] = LittleLong(m->dataofs[i]);
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if (m->dataofs[i] == -1)
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continue;
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mt = (miptex_t *)((byte *)m + m->dataofs[i]);
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mt->width = LittleLong (mt->width);
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mt->height = LittleLong (mt->height);
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for (j=0 ; j<MIPLEVELS ; j++)
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mt->offsets[j] = LittleLong (mt->offsets[j]);
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if ( (mt->width & 15) || (mt->height & 15) )
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Sys_Error ("Texture %s is not 16 aligned", mt->name);
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pixels = mt->width*mt->height/64*85;
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tx = Hunk_AllocName (sizeof(texture_t) +pixels, loadname );
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loadmodel->textures[i] = tx;
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memcpy (tx->name, mt->name, sizeof(tx->name));
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tx->width = mt->width;
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tx->height = mt->height;
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for (j=0 ; j<MIPLEVELS ; j++)
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tx->offsets[j] = mt->offsets[j] + sizeof(texture_t) - sizeof(miptex_t);
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// the pixels immediately follow the structures
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memcpy ( tx+1, mt+1, pixels);
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if (!strncmp(mt->name,"sky",3))
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R_InitSky (tx);
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}
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//
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// sequence the animations
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//
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for (i=0 ; i<m->nummiptex ; i++)
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{
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tx = loadmodel->textures[i];
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if (!tx || tx->name[0] != '+')
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continue;
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if (tx->anim_next)
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continue; // allready sequenced
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// find the number of frames in the animation
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memset (anims, 0, sizeof(anims));
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memset (altanims, 0, sizeof(altanims));
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max = tx->name[1];
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altmax = 0;
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if (max >= 'a' && max <= 'z')
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max -= 'a' - 'A';
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if (max >= '0' && max <= '9')
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{
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max -= '0';
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altmax = 0;
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anims[max] = tx;
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max++;
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}
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else if (max >= 'A' && max <= 'J')
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{
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altmax = max - 'A';
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max = 0;
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altanims[altmax] = tx;
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altmax++;
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}
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else
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Sys_Error ("Bad animating texture %s", tx->name);
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for (j=i+1 ; j<m->nummiptex ; j++)
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{
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tx2 = loadmodel->textures[j];
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if (!tx2 || tx2->name[0] != '+')
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continue;
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if (strcmp (tx2->name+2, tx->name+2))
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continue;
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num = tx2->name[1];
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if (num >= 'a' && num <= 'z')
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num -= 'a' - 'A';
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if (num >= '0' && num <= '9')
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{
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num -= '0';
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anims[num] = tx2;
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if (num+1 > max)
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max = num + 1;
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}
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else if (num >= 'A' && num <= 'J')
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{
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num = num - 'A';
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altanims[num] = tx2;
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if (num+1 > altmax)
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altmax = num+1;
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}
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else
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Sys_Error ("Bad animating texture %s", tx->name);
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}
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#define ANIM_CYCLE 2
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// link them all together
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for (j=0 ; j<max ; j++)
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{
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tx2 = anims[j];
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if (!tx2)
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Sys_Error ("Missing frame %i of %s",j, tx->name);
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tx2->anim_total = max * ANIM_CYCLE;
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tx2->anim_min = j * ANIM_CYCLE;
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tx2->anim_max = (j+1) * ANIM_CYCLE;
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tx2->anim_next = anims[ (j+1)%max ];
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if (altmax)
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tx2->alternate_anims = altanims[0];
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}
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for (j=0 ; j<altmax ; j++)
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{
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tx2 = altanims[j];
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if (!tx2)
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Sys_Error ("Missing frame %i of %s",j, tx->name);
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tx2->anim_total = altmax * ANIM_CYCLE;
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tx2->anim_min = j * ANIM_CYCLE;
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tx2->anim_max = (j+1) * ANIM_CYCLE;
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tx2->anim_next = altanims[ (j+1)%altmax ];
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if (max)
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tx2->alternate_anims = anims[0];
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}
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}
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}
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/*
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=================
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Mod_LoadLighting
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=================
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*/
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void Mod_LoadLighting (lump_t *l)
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{
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if (!l->filelen)
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{
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loadmodel->lightdata = NULL;
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return;
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}
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loadmodel->lightdata = Hunk_AllocName ( l->filelen, loadname);
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memcpy (loadmodel->lightdata, mod_base + l->fileofs, l->filelen);
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}
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/*
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=================
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Mod_LoadVisibility
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=================
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*/
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void Mod_LoadVisibility (lump_t *l)
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{
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if (!l->filelen)
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{
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loadmodel->visdata = NULL;
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return;
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}
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loadmodel->visdata = Hunk_AllocName ( l->filelen, loadname);
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memcpy (loadmodel->visdata, mod_base + l->fileofs, l->filelen);
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}
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/*
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=================
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Mod_LoadEntities
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=================
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*/
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void Mod_LoadEntities (lump_t *l)
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{
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if (!l->filelen)
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{
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loadmodel->entities = NULL;
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return;
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}
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loadmodel->entities = Hunk_AllocName ( l->filelen, loadname);
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memcpy (loadmodel->entities, mod_base + l->fileofs, l->filelen);
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}
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/*
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=================
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Mod_LoadVertexes
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=================
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*/
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void Mod_LoadVertexes (lump_t *l)
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{
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dvertex_t *in;
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mvertex_t *out;
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int i, count;
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in = (void *)(mod_base + l->fileofs);
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if (l->filelen % sizeof(*in))
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Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
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count = l->filelen / sizeof(*in);
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out = Hunk_AllocName ( count*sizeof(*out), loadname);
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loadmodel->vertexes = out;
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loadmodel->numvertexes = count;
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for ( i=0 ; i<count ; i++, in++, out++)
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{
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out->position[0] = LittleFloat (in->point[0]);
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out->position[1] = LittleFloat (in->point[1]);
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out->position[2] = LittleFloat (in->point[2]);
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}
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}
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/*
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=================
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Mod_LoadSubmodels
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=================
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*/
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void Mod_LoadSubmodels (lump_t *l)
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{
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dmodel_t *in;
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dmodel_t *out;
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int i, j, count;
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in = (void *)(mod_base + l->fileofs);
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if (l->filelen % sizeof(*in))
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Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
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count = l->filelen / sizeof(*in);
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out = Hunk_AllocName ( count*sizeof(*out), loadname);
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loadmodel->submodels = out;
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loadmodel->numsubmodels = count;
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for ( i=0 ; i<count ; i++, in++, out++)
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{
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for (j=0 ; j<3 ; j++)
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{ // spread the mins / maxs by a pixel
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out->mins[j] = LittleFloat (in->mins[j]) - 1;
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out->maxs[j] = LittleFloat (in->maxs[j]) + 1;
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out->origin[j] = LittleFloat (in->origin[j]);
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}
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for (j=0 ; j<MAX_MAP_HULLS ; j++)
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out->headnode[j] = LittleLong (in->headnode[j]);
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out->visleafs = LittleLong (in->visleafs);
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out->firstface = LittleLong (in->firstface);
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out->numfaces = LittleLong (in->numfaces);
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}
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}
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/*
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=================
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Mod_LoadEdges
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=================
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*/
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void Mod_LoadEdges (lump_t *l)
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{
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dedge_t *in;
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medge_t *out;
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int i, count;
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in = (void *)(mod_base + l->fileofs);
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if (l->filelen % sizeof(*in))
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Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
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count = l->filelen / sizeof(*in);
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out = Hunk_AllocName ( (count + 1) * sizeof(*out), loadname);
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loadmodel->edges = out;
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loadmodel->numedges = count;
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for ( i=0 ; i<count ; i++, in++, out++)
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{
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out->v[0] = (unsigned short)LittleShort(in->v[0]);
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out->v[1] = (unsigned short)LittleShort(in->v[1]);
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}
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}
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/*
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=================
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Mod_LoadTexinfo
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=================
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*/
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void Mod_LoadTexinfo (lump_t *l)
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{
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texinfo_t *in;
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mtexinfo_t *out;
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int i, j, count;
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int miptex;
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float len1, len2;
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in = (void *)(mod_base + l->fileofs);
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if (l->filelen % sizeof(*in))
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Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
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count = l->filelen / sizeof(*in);
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out = Hunk_AllocName ( count*sizeof(*out), loadname);
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loadmodel->texinfo = out;
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loadmodel->numtexinfo = count;
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for ( i=0 ; i<count ; i++, in++, out++)
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{
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for (j=0 ; j<4 ; j++) {
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out->vecs[0][j] = LittleFloat (in->vecs[0][j]);
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out->vecs[1][j] = LittleFloat (in->vecs[1][j]);
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}
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len1 = Length (out->vecs[0]);
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len2 = Length (out->vecs[1]);
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len1 = (len1 + len2)/2;
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if (len1 < 0.32)
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out->mipadjust = 4;
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else if (len1 < 0.49)
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out->mipadjust = 3;
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else if (len1 < 0.99)
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out->mipadjust = 2;
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else
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out->mipadjust = 1;
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miptex = LittleLong (in->miptex);
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out->flags = LittleLong (in->flags);
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if (!loadmodel->textures)
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{
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out->texture = r_notexture_mip; // checkerboard texture
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out->flags = 0;
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}
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else
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{
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if (miptex >= loadmodel->numtextures)
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Sys_Error ("miptex >= loadmodel->numtextures");
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out->texture = loadmodel->textures[miptex];
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if (!out->texture)
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{
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out->texture = r_notexture_mip; // texture not found
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out->flags = 0;
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}
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}
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}
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}
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/*
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================
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CalcSurfaceExtents
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Fills in s->texturemins[] and s->extents[]
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================
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*/
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void CalcSurfaceExtents (msurface_t *s)
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{
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float mins[2], maxs[2], val;
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int i,j, e;
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mvertex_t *v;
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mtexinfo_t *tex;
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int bmins[2], bmaxs[2];
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mins[0] = mins[1] = 999999;
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maxs[0] = maxs[1] = -99999;
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tex = s->texinfo;
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for (i=0 ; i<s->numedges ; i++)
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{
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e = loadmodel->surfedges[s->firstedge+i];
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if (e >= 0)
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v = &loadmodel->vertexes[loadmodel->edges[e].v[0]];
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else
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v = &loadmodel->vertexes[loadmodel->edges[-e].v[1]];
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for (j=0 ; j<2 ; j++)
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{
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val = v->position[0] * tex->vecs[j][0] +
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v->position[1] * tex->vecs[j][1] +
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v->position[2] * tex->vecs[j][2] +
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tex->vecs[j][3];
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if (val < mins[j])
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mins[j] = val;
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if (val > maxs[j])
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maxs[j] = val;
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}
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}
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for (i=0 ; i<2 ; i++)
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{
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bmins[i] = floor(mins[i]/16);
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bmaxs[i] = ceil(maxs[i]/16);
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s->texturemins[i] = bmins[i] * 16;
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s->extents[i] = (bmaxs[i] - bmins[i]) * 16;
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if ( !(tex->flags & TEX_SPECIAL) && s->extents[i] > 512 /* 256 */ )
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Sys_Error ("Bad surface extents");
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}
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}
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/*
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=================
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Mod_LoadFaces
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=================
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*/
|
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void Mod_LoadFaces (lump_t *l)
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{
|
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dface_t *in;
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msurface_t *out;
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int i, count, surfnum;
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int planenum, side;
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|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->surfaces = out;
|
|
loadmodel->numsurfaces = count;
|
|
|
|
for ( surfnum=0 ; surfnum<count ; surfnum++, in++, out++)
|
|
{
|
|
out->firstedge = LittleLong(in->firstedge);
|
|
out->numedges = LittleShort(in->numedges);
|
|
out->flags = 0;
|
|
|
|
planenum = LittleShort(in->planenum);
|
|
side = LittleShort(in->side);
|
|
if (side)
|
|
out->flags |= SURF_PLANEBACK;
|
|
|
|
out->plane = loadmodel->planes + planenum;
|
|
|
|
out->texinfo = loadmodel->texinfo + LittleShort (in->texinfo);
|
|
|
|
CalcSurfaceExtents (out);
|
|
|
|
// lighting info
|
|
|
|
for (i=0 ; i<MAXLIGHTMAPS ; i++)
|
|
out->styles[i] = in->styles[i];
|
|
i = LittleLong(in->lightofs);
|
|
if (i == -1)
|
|
out->samples = NULL;
|
|
else
|
|
out->samples = loadmodel->lightdata + i;
|
|
|
|
// set the drawing flags flag
|
|
|
|
if (!strncmp(out->texinfo->texture->name,"sky",3)) // sky
|
|
{
|
|
out->flags |= (SURF_DRAWSKY | SURF_DRAWTILED);
|
|
continue;
|
|
}
|
|
|
|
if (!strncmp(out->texinfo->texture->name,"*",1)) // turbulent
|
|
{
|
|
out->flags |= (SURF_DRAWTURB | SURF_DRAWTILED);
|
|
for (i=0 ; i<2 ; i++)
|
|
{
|
|
out->extents[i] = 16384;
|
|
out->texturemins[i] = -8192;
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=================
|
|
Mod_SetParent
|
|
=================
|
|
*/
|
|
void Mod_SetParent (mnode_t *node, mnode_t *parent)
|
|
{
|
|
node->parent = parent;
|
|
if (node->contents < 0)
|
|
return;
|
|
Mod_SetParent (node->children[0], node);
|
|
Mod_SetParent (node->children[1], node);
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadNodes
|
|
=================
|
|
*/
|
|
void Mod_LoadNodes (lump_t *l)
|
|
{
|
|
int i, j, count, p;
|
|
dnode_t *in;
|
|
mnode_t *out;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->nodes = out;
|
|
loadmodel->numnodes = count;
|
|
|
|
for ( i=0 ; i<count ; i++, in++, out++)
|
|
{
|
|
for (j=0 ; j<3 ; j++)
|
|
{
|
|
out->minmaxs[j] = LittleShort (in->mins[j]);
|
|
out->minmaxs[3+j] = LittleShort (in->maxs[j]);
|
|
}
|
|
|
|
p = LittleLong(in->planenum);
|
|
out->plane = loadmodel->planes + p;
|
|
|
|
out->firstsurface = LittleShort (in->firstface);
|
|
out->numsurfaces = LittleShort (in->numfaces);
|
|
|
|
for (j=0 ; j<2 ; j++)
|
|
{
|
|
p = LittleShort (in->children[j]);
|
|
if (p >= 0)
|
|
out->children[j] = loadmodel->nodes + p;
|
|
else
|
|
out->children[j] = (mnode_t *)(loadmodel->leafs + (-1 - p));
|
|
}
|
|
}
|
|
|
|
Mod_SetParent (loadmodel->nodes, NULL); // sets nodes and leafs
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadLeafs
|
|
=================
|
|
*/
|
|
void Mod_LoadLeafs (lump_t *l)
|
|
{
|
|
dleaf_t *in;
|
|
mleaf_t *out;
|
|
int i, j, count, p;
|
|
qboolean isnotmap = true;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->leafs = out;
|
|
loadmodel->numleafs = count;
|
|
if (!strncmp("maps/", loadmodel->name,5))
|
|
isnotmap = false;
|
|
for ( i=0 ; i<count ; i++, in++, out++)
|
|
{
|
|
for (j=0 ; j<3 ; j++)
|
|
{
|
|
out->minmaxs[j] = LittleShort (in->mins[j]);
|
|
out->minmaxs[3+j] = LittleShort (in->maxs[j]);
|
|
}
|
|
|
|
p = LittleLong(in->contents);
|
|
out->contents = p;
|
|
|
|
out->firstmarksurface = loadmodel->marksurfaces +
|
|
LittleShort(in->firstmarksurface);
|
|
out->nummarksurfaces = LittleShort(in->nummarksurfaces);
|
|
|
|
p = LittleLong(in->visofs);
|
|
if (p == -1)
|
|
out->compressed_vis = NULL;
|
|
else
|
|
out->compressed_vis = loadmodel->visdata + p;
|
|
out->efrags = NULL;
|
|
|
|
for (j=0 ; j<4 ; j++)
|
|
out->ambient_sound_level[j] = in->ambient_level[j];
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadClipnodes
|
|
=================
|
|
*/
|
|
void Mod_LoadClipnodes (lump_t *l)
|
|
{
|
|
dclipnode_t *in, *out;
|
|
int i, count;
|
|
hull_t *hull;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->clipnodes = out;
|
|
loadmodel->numclipnodes = count;
|
|
|
|
hull = &loadmodel->hulls[1];
|
|
hull->clipnodes = out;
|
|
hull->firstclipnode = 0;
|
|
hull->lastclipnode = count-1;
|
|
hull->planes = loadmodel->planes;
|
|
hull->clip_mins[0] = -16;
|
|
hull->clip_mins[1] = -16;
|
|
hull->clip_mins[2] = -24;
|
|
hull->clip_maxs[0] = 16;
|
|
hull->clip_maxs[1] = 16;
|
|
hull->clip_maxs[2] = 32;
|
|
|
|
hull = &loadmodel->hulls[2];
|
|
hull->clipnodes = out;
|
|
hull->firstclipnode = 0;
|
|
hull->lastclipnode = count-1;
|
|
hull->planes = loadmodel->planes;
|
|
hull->clip_mins[0] = -32;
|
|
hull->clip_mins[1] = -32;
|
|
hull->clip_mins[2] = -24;
|
|
hull->clip_maxs[0] = 32;
|
|
hull->clip_maxs[1] = 32;
|
|
hull->clip_maxs[2] = 64;
|
|
|
|
for (i=0 ; i<count ; i++, out++, in++)
|
|
{
|
|
out->planenum = LittleLong(in->planenum);
|
|
out->children[0] = LittleShort(in->children[0]);
|
|
out->children[1] = LittleShort(in->children[1]);
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_MakeHull0
|
|
|
|
Deplicate the drawing hull structure as a clipping hull
|
|
=================
|
|
*/
|
|
void Mod_MakeHull0 (void)
|
|
{
|
|
mnode_t *in, *child;
|
|
dclipnode_t *out;
|
|
int i, j, count;
|
|
hull_t *hull;
|
|
|
|
hull = &loadmodel->hulls[0];
|
|
|
|
in = loadmodel->nodes;
|
|
count = loadmodel->numnodes;
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
hull->clipnodes = out;
|
|
hull->firstclipnode = 0;
|
|
hull->lastclipnode = count-1;
|
|
hull->planes = loadmodel->planes;
|
|
|
|
for (i=0 ; i<count ; i++, out++, in++)
|
|
{
|
|
out->planenum = in->plane - loadmodel->planes;
|
|
for (j=0 ; j<2 ; j++)
|
|
{
|
|
child = in->children[j];
|
|
if (child->contents < 0)
|
|
out->children[j] = child->contents;
|
|
else
|
|
out->children[j] = child - loadmodel->nodes;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadMarksurfaces
|
|
=================
|
|
*/
|
|
void Mod_LoadMarksurfaces (lump_t *l)
|
|
{
|
|
int i, j, count;
|
|
short *in;
|
|
msurface_t **out;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->marksurfaces = out;
|
|
loadmodel->nummarksurfaces = count;
|
|
|
|
for ( i=0 ; i<count ; i++)
|
|
{
|
|
j = LittleShort(in[i]);
|
|
if (j >= loadmodel->numsurfaces)
|
|
Sys_Error ("Mod_ParseMarksurfaces: bad surface number");
|
|
out[i] = loadmodel->surfaces + j;
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadSurfedges
|
|
=================
|
|
*/
|
|
void Mod_LoadSurfedges (lump_t *l)
|
|
{
|
|
int i, count;
|
|
int *in, *out;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*sizeof(*out), loadname);
|
|
|
|
loadmodel->surfedges = out;
|
|
loadmodel->numsurfedges = count;
|
|
|
|
for ( i=0 ; i<count ; i++)
|
|
out[i] = LittleLong (in[i]);
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadPlanes
|
|
=================
|
|
*/
|
|
void Mod_LoadPlanes (lump_t *l)
|
|
{
|
|
int i, j;
|
|
mplane_t *out;
|
|
dplane_t *in;
|
|
int count;
|
|
int bits;
|
|
|
|
in = (void *)(mod_base + l->fileofs);
|
|
if (l->filelen % sizeof(*in))
|
|
Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
|
|
count = l->filelen / sizeof(*in);
|
|
out = Hunk_AllocName ( count*2*sizeof(*out), loadname);
|
|
|
|
loadmodel->planes = out;
|
|
loadmodel->numplanes = count;
|
|
|
|
for ( i=0 ; i<count ; i++, in++, out++)
|
|
{
|
|
bits = 0;
|
|
for (j=0 ; j<3 ; j++)
|
|
{
|
|
out->normal[j] = LittleFloat (in->normal[j]);
|
|
if (out->normal[j] < 0)
|
|
bits |= 1<<j;
|
|
}
|
|
|
|
out->dist = LittleFloat (in->dist);
|
|
out->type = LittleLong (in->type);
|
|
out->signbits = bits;
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
RadiusFromBounds
|
|
=================
|
|
*/
|
|
float RadiusFromBounds (vec3_t mins, vec3_t maxs)
|
|
{
|
|
int i;
|
|
vec3_t corner;
|
|
|
|
for (i=0 ; i<3 ; i++)
|
|
{
|
|
corner[i] = fabs(mins[i]) > fabs(maxs[i]) ? fabs(mins[i]) : fabs(maxs[i]);
|
|
}
|
|
|
|
return Length (corner);
|
|
}
|
|
|
|
/*
|
|
=================
|
|
Mod_LoadBrushModel
|
|
=================
|
|
*/
|
|
void Mod_LoadBrushModel (model_t *mod, void *buffer)
|
|
{
|
|
int i, j;
|
|
dheader_t *header;
|
|
dmodel_t *bm;
|
|
|
|
loadmodel->type = mod_brush;
|
|
|
|
header = (dheader_t *)buffer;
|
|
|
|
i = LittleLong (header->version);
|
|
if (i != BSPVERSION)
|
|
Sys_Error ("Mod_LoadBrushModel: %s has wrong version number (%i should be %i)", mod->name, i, BSPVERSION);
|
|
|
|
// swap all the lumps
|
|
mod_base = (byte *)header;
|
|
|
|
for (i=0 ; i<sizeof(dheader_t)/4 ; i++)
|
|
((int *)header)[i] = LittleLong ( ((int *)header)[i]);
|
|
|
|
// checksum all of the map, except for entities
|
|
mod->checksum = 0;
|
|
mod->checksum2 = 0;
|
|
|
|
for (i = 0; i < HEADER_LUMPS; i++) {
|
|
if (i == LUMP_ENTITIES)
|
|
continue;
|
|
mod->checksum ^= LittleLong(Com_BlockChecksum(mod_base + header->lumps[i].fileofs,
|
|
header->lumps[i].filelen));
|
|
|
|
if (i == LUMP_VISIBILITY || i == LUMP_LEAFS || i == LUMP_NODES)
|
|
continue;
|
|
mod->checksum2 ^= LittleLong(Com_BlockChecksum(mod_base + header->lumps[i].fileofs,
|
|
header->lumps[i].filelen));
|
|
}
|
|
|
|
// load into heap
|
|
|
|
Mod_LoadVertexes (&header->lumps[LUMP_VERTEXES]);
|
|
Mod_LoadEdges (&header->lumps[LUMP_EDGES]);
|
|
Mod_LoadSurfedges (&header->lumps[LUMP_SURFEDGES]);
|
|
Mod_LoadTextures (&header->lumps[LUMP_TEXTURES]);
|
|
Mod_LoadLighting (&header->lumps[LUMP_LIGHTING]);
|
|
Mod_LoadPlanes (&header->lumps[LUMP_PLANES]);
|
|
Mod_LoadTexinfo (&header->lumps[LUMP_TEXINFO]);
|
|
Mod_LoadFaces (&header->lumps[LUMP_FACES]);
|
|
Mod_LoadMarksurfaces (&header->lumps[LUMP_MARKSURFACES]);
|
|
Mod_LoadVisibility (&header->lumps[LUMP_VISIBILITY]);
|
|
Mod_LoadLeafs (&header->lumps[LUMP_LEAFS]);
|
|
Mod_LoadNodes (&header->lumps[LUMP_NODES]);
|
|
Mod_LoadClipnodes (&header->lumps[LUMP_CLIPNODES]);
|
|
Mod_LoadEntities (&header->lumps[LUMP_ENTITIES]);
|
|
Mod_LoadSubmodels (&header->lumps[LUMP_MODELS]);
|
|
|
|
Mod_MakeHull0 ();
|
|
|
|
mod->numframes = 2; // regular and alternate animation
|
|
mod->flags = 0;
|
|
|
|
//
|
|
// set up the submodels (FIXME: this is confusing)
|
|
//
|
|
for (i=0 ; i<mod->numsubmodels ; i++)
|
|
{
|
|
bm = &mod->submodels[i];
|
|
|
|
mod->hulls[0].firstclipnode = bm->headnode[0];
|
|
for (j=1 ; j<MAX_MAP_HULLS ; j++)
|
|
{
|
|
mod->hulls[j].firstclipnode = bm->headnode[j];
|
|
mod->hulls[j].lastclipnode = mod->numclipnodes-1;
|
|
}
|
|
|
|
mod->firstmodelsurface = bm->firstface;
|
|
mod->nummodelsurfaces = bm->numfaces;
|
|
|
|
VectorCopy (bm->maxs, mod->maxs);
|
|
VectorCopy (bm->mins, mod->mins);
|
|
|
|
mod->radius = RadiusFromBounds (mod->mins, mod->maxs);
|
|
|
|
mod->numleafs = bm->visleafs;
|
|
|
|
if (i < mod->numsubmodels-1)
|
|
{ // duplicate the basic information
|
|
char name[10];
|
|
|
|
snprintf (name, sizeof(name), "*%i", i+1);
|
|
loadmodel = Mod_FindName (name);
|
|
*loadmodel = *mod;
|
|
strcpy (loadmodel->name, name);
|
|
mod = loadmodel;
|
|
}
|
|
}
|
|
}
|