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author | Simon Howard | 2008-09-06 18:32:11 +0000 |
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committer | Simon Howard | 2008-09-06 18:32:11 +0000 |
commit | c137d2ad74b9b46c93411ce7fcae6d7041777d07 (patch) | |
tree | ed464f3631abd86553e9b0f28359013c60f12723 /src/p_setup.c | |
parent | 8cca9182aef2badfe25cdfe19451903c4016eec0 (diff) | |
download | chocolate-doom-c137d2ad74b9b46c93411ce7fcae6d7041777d07.tar.gz chocolate-doom-c137d2ad74b9b46c93411ce7fcae6d7041777d07.tar.bz2 chocolate-doom-c137d2ad74b9b46c93411ce7fcae6d7041777d07.zip |
Move doom-specific files to a separate directory.
Subversion-branch: /branches/raven-branch
Subversion-revision: 1201
Diffstat (limited to 'src/p_setup.c')
-rw-r--r-- | src/p_setup.c | 753 |
1 files changed, 0 insertions, 753 deletions
diff --git a/src/p_setup.c b/src/p_setup.c deleted file mode 100644 index 5cf7a628..00000000 --- a/src/p_setup.c +++ /dev/null @@ -1,753 +0,0 @@ -// Emacs style mode select -*- C++ -*- -//----------------------------------------------------------------------------- -// -// Copyright(C) 1993-1996 Id Software, Inc. -// Copyright(C) 2005 Simon Howard -// -// This program is free software; you can redistribute it and/or -// modify it under the terms of the GNU General Public License -// as published by the Free Software Foundation; either version 2 -// of the License, or (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program; if not, write to the Free Software -// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -// 02111-1307, USA. -// -// DESCRIPTION: -// Do all the WAD I/O, get map description, -// set up initial state and misc. LUTs. -// -//----------------------------------------------------------------------------- - - - -#include <math.h> - -#include "z_zone.h" - -#include "deh_main.h" -#include "i_swap.h" -#include "m_bbox.h" - -#include "g_game.h" - -#include "i_system.h" -#include "w_wad.h" - -#include "doomdef.h" -#include "p_local.h" - -#include "s_sound.h" - -#include "doomstat.h" - - -void P_SpawnMapThing (mapthing_t* mthing); - - -// -// MAP related Lookup tables. -// Store VERTEXES, LINEDEFS, SIDEDEFS, etc. -// -int numvertexes; -vertex_t* vertexes; - -int numsegs; -seg_t* segs; - -int numsectors; -sector_t* sectors; - -int numsubsectors; -subsector_t* subsectors; - -int numnodes; -node_t* nodes; - -int numlines; -line_t* lines; - -int numsides; -side_t* sides; - - -// BLOCKMAP -// Created from axis aligned bounding box -// of the map, a rectangular array of -// blocks of size ... -// Used to speed up collision detection -// by spatial subdivision in 2D. -// -// Blockmap size. -int bmapwidth; -int bmapheight; // size in mapblocks -short* blockmap; // int for larger maps -// offsets in blockmap are from here -short* blockmaplump; -// origin of block map -fixed_t bmaporgx; -fixed_t bmaporgy; -// for thing chains -mobj_t** blocklinks; - - -// REJECT -// For fast sight rejection. -// Speeds up enemy AI by skipping detailed -// LineOf Sight calculation. -// Without special effect, this could be -// used as a PVS lookup as well. -// -byte* rejectmatrix; - - -// Maintain single and multi player starting spots. -#define MAX_DEATHMATCH_STARTS 10 - -mapthing_t deathmatchstarts[MAX_DEATHMATCH_STARTS]; -mapthing_t* deathmatch_p; -mapthing_t playerstarts[MAXPLAYERS]; - - - - - -// -// P_LoadVertexes -// -void P_LoadVertexes (int lump) -{ - byte* data; - int i; - mapvertex_t* ml; - vertex_t* li; - - // Determine number of lumps: - // total lump length / vertex record length. - numvertexes = W_LumpLength (lump) / sizeof(mapvertex_t); - - // Allocate zone memory for buffer. - vertexes = Z_Malloc (numvertexes*sizeof(vertex_t),PU_LEVEL,0); - - // Load data into cache. - data = W_CacheLumpNum (lump, PU_STATIC); - - ml = (mapvertex_t *)data; - li = vertexes; - - // Copy and convert vertex coordinates, - // internal representation as fixed. - for (i=0 ; i<numvertexes ; i++, li++, ml++) - { - li->x = SHORT(ml->x)<<FRACBITS; - li->y = SHORT(ml->y)<<FRACBITS; - } - - // Free buffer memory. - W_ReleaseLumpNum(lump); -} - - - -// -// P_LoadSegs -// -void P_LoadSegs (int lump) -{ - byte* data; - int i; - mapseg_t* ml; - seg_t* li; - line_t* ldef; - int linedef; - int side; - - numsegs = W_LumpLength (lump) / sizeof(mapseg_t); - segs = Z_Malloc (numsegs*sizeof(seg_t),PU_LEVEL,0); - memset (segs, 0, numsegs*sizeof(seg_t)); - data = W_CacheLumpNum (lump,PU_STATIC); - - ml = (mapseg_t *)data; - li = segs; - for (i=0 ; i<numsegs ; i++, li++, ml++) - { - li->v1 = &vertexes[SHORT(ml->v1)]; - li->v2 = &vertexes[SHORT(ml->v2)]; - - li->angle = (SHORT(ml->angle))<<16; - li->offset = (SHORT(ml->offset))<<16; - linedef = SHORT(ml->linedef); - ldef = &lines[linedef]; - li->linedef = ldef; - side = SHORT(ml->side); - li->sidedef = &sides[ldef->sidenum[side]]; - li->frontsector = sides[ldef->sidenum[side]].sector; - if (ldef-> flags & ML_TWOSIDED) - li->backsector = sides[ldef->sidenum[side^1]].sector; - else - li->backsector = 0; - } - - W_ReleaseLumpNum(lump); -} - - -// -// P_LoadSubsectors -// -void P_LoadSubsectors (int lump) -{ - byte* data; - int i; - mapsubsector_t* ms; - subsector_t* ss; - - numsubsectors = W_LumpLength (lump) / sizeof(mapsubsector_t); - subsectors = Z_Malloc (numsubsectors*sizeof(subsector_t),PU_LEVEL,0); - data = W_CacheLumpNum (lump,PU_STATIC); - - ms = (mapsubsector_t *)data; - memset (subsectors,0, numsubsectors*sizeof(subsector_t)); - ss = subsectors; - - for (i=0 ; i<numsubsectors ; i++, ss++, ms++) - { - ss->numlines = SHORT(ms->numsegs); - ss->firstline = SHORT(ms->firstseg); - } - - W_ReleaseLumpNum(lump); -} - - - -// -// P_LoadSectors -// -void P_LoadSectors (int lump) -{ - byte* data; - int i; - mapsector_t* ms; - sector_t* ss; - - numsectors = W_LumpLength (lump) / sizeof(mapsector_t); - sectors = Z_Malloc (numsectors*sizeof(sector_t),PU_LEVEL,0); - memset (sectors, 0, numsectors*sizeof(sector_t)); - data = W_CacheLumpNum (lump,PU_STATIC); - - ms = (mapsector_t *)data; - ss = sectors; - for (i=0 ; i<numsectors ; i++, ss++, ms++) - { - ss->floorheight = SHORT(ms->floorheight)<<FRACBITS; - ss->ceilingheight = SHORT(ms->ceilingheight)<<FRACBITS; - ss->floorpic = R_FlatNumForName(ms->floorpic); - ss->ceilingpic = R_FlatNumForName(ms->ceilingpic); - ss->lightlevel = SHORT(ms->lightlevel); - ss->special = SHORT(ms->special); - ss->tag = SHORT(ms->tag); - ss->thinglist = NULL; - } - - W_ReleaseLumpNum(lump); -} - - -// -// P_LoadNodes -// -void P_LoadNodes (int lump) -{ - byte* data; - int i; - int j; - int k; - mapnode_t* mn; - node_t* no; - - numnodes = W_LumpLength (lump) / sizeof(mapnode_t); - nodes = Z_Malloc (numnodes*sizeof(node_t),PU_LEVEL,0); - data = W_CacheLumpNum (lump,PU_STATIC); - - mn = (mapnode_t *)data; - no = nodes; - - for (i=0 ; i<numnodes ; i++, no++, mn++) - { - no->x = SHORT(mn->x)<<FRACBITS; - no->y = SHORT(mn->y)<<FRACBITS; - no->dx = SHORT(mn->dx)<<FRACBITS; - no->dy = SHORT(mn->dy)<<FRACBITS; - for (j=0 ; j<2 ; j++) - { - no->children[j] = SHORT(mn->children[j]); - for (k=0 ; k<4 ; k++) - no->bbox[j][k] = SHORT(mn->bbox[j][k])<<FRACBITS; - } - } - - W_ReleaseLumpNum(lump); -} - - -// -// P_LoadThings -// -void P_LoadThings (int lump) -{ - byte *data; - int i; - mapthing_t *mt; - mapthing_t spawnthing; - int numthings; - boolean spawn; - - data = W_CacheLumpNum (lump,PU_STATIC); - numthings = W_LumpLength (lump) / sizeof(mapthing_t); - - mt = (mapthing_t *)data; - for (i=0 ; i<numthings ; i++, mt++) - { - spawn = true; - - // Do not spawn cool, new monsters if !commercial - if (gamemode != commercial) - { - switch (SHORT(mt->type)) - { - case 68: // Arachnotron - case 64: // Archvile - case 88: // Boss Brain - case 89: // Boss Shooter - case 69: // Hell Knight - case 67: // Mancubus - case 71: // Pain Elemental - case 65: // Former Human Commando - case 66: // Revenant - case 84: // Wolf SS - spawn = false; - break; - } - } - if (spawn == false) - break; - - // Do spawn all other stuff. - spawnthing.x = SHORT(mt->x); - spawnthing.y = SHORT(mt->y); - spawnthing.angle = SHORT(mt->angle); - spawnthing.type = SHORT(mt->type); - spawnthing.options = SHORT(mt->options); - - P_SpawnMapThing(&spawnthing); - } - - W_ReleaseLumpNum(lump); -} - - -// -// P_LoadLineDefs -// Also counts secret lines for intermissions. -// -void P_LoadLineDefs (int lump) -{ - byte* data; - int i; - maplinedef_t* mld; - line_t* ld; - vertex_t* v1; - vertex_t* v2; - - numlines = W_LumpLength (lump) / sizeof(maplinedef_t); - lines = Z_Malloc (numlines*sizeof(line_t),PU_LEVEL,0); - memset (lines, 0, numlines*sizeof(line_t)); - data = W_CacheLumpNum (lump,PU_STATIC); - - mld = (maplinedef_t *)data; - ld = lines; - for (i=0 ; i<numlines ; i++, mld++, ld++) - { - ld->flags = SHORT(mld->flags); - ld->special = SHORT(mld->special); - ld->tag = SHORT(mld->tag); - v1 = ld->v1 = &vertexes[SHORT(mld->v1)]; - v2 = ld->v2 = &vertexes[SHORT(mld->v2)]; - ld->dx = v2->x - v1->x; - ld->dy = v2->y - v1->y; - - if (!ld->dx) - ld->slopetype = ST_VERTICAL; - else if (!ld->dy) - ld->slopetype = ST_HORIZONTAL; - else - { - if (FixedDiv (ld->dy , ld->dx) > 0) - ld->slopetype = ST_POSITIVE; - else - ld->slopetype = ST_NEGATIVE; - } - - if (v1->x < v2->x) - { - ld->bbox[BOXLEFT] = v1->x; - ld->bbox[BOXRIGHT] = v2->x; - } - else - { - ld->bbox[BOXLEFT] = v2->x; - ld->bbox[BOXRIGHT] = v1->x; - } - - if (v1->y < v2->y) - { - ld->bbox[BOXBOTTOM] = v1->y; - ld->bbox[BOXTOP] = v2->y; - } - else - { - ld->bbox[BOXBOTTOM] = v2->y; - ld->bbox[BOXTOP] = v1->y; - } - - ld->sidenum[0] = SHORT(mld->sidenum[0]); - ld->sidenum[1] = SHORT(mld->sidenum[1]); - - if (ld->sidenum[0] != -1) - ld->frontsector = sides[ld->sidenum[0]].sector; - else - ld->frontsector = 0; - - if (ld->sidenum[1] != -1) - ld->backsector = sides[ld->sidenum[1]].sector; - else - ld->backsector = 0; - } - - W_ReleaseLumpNum(lump); -} - - -// -// P_LoadSideDefs -// -void P_LoadSideDefs (int lump) -{ - byte* data; - int i; - mapsidedef_t* msd; - side_t* sd; - - numsides = W_LumpLength (lump) / sizeof(mapsidedef_t); - sides = Z_Malloc (numsides*sizeof(side_t),PU_LEVEL,0); - memset (sides, 0, numsides*sizeof(side_t)); - data = W_CacheLumpNum (lump,PU_STATIC); - - msd = (mapsidedef_t *)data; - sd = sides; - for (i=0 ; i<numsides ; i++, msd++, sd++) - { - sd->textureoffset = SHORT(msd->textureoffset)<<FRACBITS; - sd->rowoffset = SHORT(msd->rowoffset)<<FRACBITS; - sd->toptexture = R_TextureNumForName(msd->toptexture); - sd->bottomtexture = R_TextureNumForName(msd->bottomtexture); - sd->midtexture = R_TextureNumForName(msd->midtexture); - sd->sector = §ors[SHORT(msd->sector)]; - } - - W_ReleaseLumpNum(lump); -} - - -// -// P_LoadBlockMap -// -void P_LoadBlockMap (int lump) -{ - int i; - int count; - int lumplen; - - lumplen = W_LumpLength(lump); - count = lumplen / 2; - - blockmaplump = Z_Malloc(lumplen, PU_LEVEL, NULL); - W_ReadLump(lump, blockmaplump); - blockmap = blockmaplump + 4; - - // Swap all short integers to native byte ordering. - - for (i=0; i<count; i++) - { - blockmaplump[i] = SHORT(blockmaplump[i]); - } - - // Read the header - - bmaporgx = blockmaplump[0]<<FRACBITS; - bmaporgy = blockmaplump[1]<<FRACBITS; - bmapwidth = blockmaplump[2]; - bmapheight = blockmaplump[3]; - - // Clear out mobj chains - - count = sizeof(*blocklinks) * bmapwidth * bmapheight; - blocklinks = Z_Malloc(count, PU_LEVEL, 0); - memset(blocklinks, 0, count); -} - - - -// -// P_GroupLines -// Builds sector line lists and subsector sector numbers. -// Finds block bounding boxes for sectors. -// -void P_GroupLines (void) -{ - line_t** linebuffer; - int i; - int j; - int total; - line_t* li; - sector_t* sector; - subsector_t* ss; - seg_t* seg; - fixed_t bbox[4]; - int block; - - // look up sector number for each subsector - ss = subsectors; - for (i=0 ; i<numsubsectors ; i++, ss++) - { - seg = &segs[ss->firstline]; - ss->sector = seg->sidedef->sector; - } - - // count number of lines in each sector - li = lines; - total = 0; - for (i=0 ; i<numlines ; i++, li++) - { - total++; - li->frontsector->linecount++; - - if (li->backsector && li->backsector != li->frontsector) - { - li->backsector->linecount++; - total++; - } - } - - // build line tables for each sector - linebuffer = Z_Malloc (total*sizeof(line_t *), PU_LEVEL, 0); - - for (i=0; i<numsectors; ++i) - { - // Assign the line buffer for this sector - - sectors[i].lines = linebuffer; - linebuffer += sectors[i].linecount; - - // Reset linecount to zero so in the next stage we can count - // lines into the list. - - sectors[i].linecount = 0; - } - - // Assign lines to sectors - - for (i=0; i<numlines; ++i) - { - li = &lines[i]; - - if (li->frontsector != NULL) - { - sector = li->frontsector; - - sector->lines[sector->linecount] = li; - ++sector->linecount; - } - - if (li->backsector != NULL && li->frontsector != li->backsector) - { - sector = li->backsector; - - sector->lines[sector->linecount] = li; - ++sector->linecount; - } - } - - // Generate bounding boxes for sectors - - sector = sectors; - for (i=0 ; i<numsectors ; i++, sector++) - { - M_ClearBox (bbox); - - for (j=0 ; j<sector->linecount; j++) - { - li = sector->lines[j]; - - M_AddToBox (bbox, li->v1->x, li->v1->y); - M_AddToBox (bbox, li->v2->x, li->v2->y); - } - - // set the degenmobj_t to the middle of the bounding box - sector->soundorg.x = (bbox[BOXRIGHT]+bbox[BOXLEFT])/2; - sector->soundorg.y = (bbox[BOXTOP]+bbox[BOXBOTTOM])/2; - - // adjust bounding box to map blocks - block = (bbox[BOXTOP]-bmaporgy+MAXRADIUS)>>MAPBLOCKSHIFT; - block = block >= bmapheight ? bmapheight-1 : block; - sector->blockbox[BOXTOP]=block; - - block = (bbox[BOXBOTTOM]-bmaporgy-MAXRADIUS)>>MAPBLOCKSHIFT; - block = block < 0 ? 0 : block; - sector->blockbox[BOXBOTTOM]=block; - - block = (bbox[BOXRIGHT]-bmaporgx+MAXRADIUS)>>MAPBLOCKSHIFT; - block = block >= bmapwidth ? bmapwidth-1 : block; - sector->blockbox[BOXRIGHT]=block; - - block = (bbox[BOXLEFT]-bmaporgx-MAXRADIUS)>>MAPBLOCKSHIFT; - block = block < 0 ? 0 : block; - sector->blockbox[BOXLEFT]=block; - } - -} - - -// -// P_SetupLevel -// -void -P_SetupLevel -( int episode, - int map, - int playermask, - skill_t skill) -{ - int i; - char lumpname[9]; - int lumpnum; - - totalkills = totalitems = totalsecret = wminfo.maxfrags = 0; - wminfo.partime = 180; - for (i=0 ; i<MAXPLAYERS ; i++) - { - players[i].killcount = players[i].secretcount - = players[i].itemcount = 0; - } - - // Initial height of PointOfView - // will be set by player think. - players[consoleplayer].viewz = 1; - - // Make sure all sounds are stopped before Z_FreeTags. - S_Start (); - - -#if 0 // UNUSED - if (debugfile) - { - Z_FreeTags (PU_LEVEL, INT_MAX); - Z_FileDumpHeap (debugfile); - } - else -#endif - Z_FreeTags (PU_LEVEL, PU_PURGELEVEL-1); - - - // UNUSED W_Profile (); - P_InitThinkers (); - - // find map name - if ( gamemode == commercial) - { - if (map<10) - sprintf (lumpname, DEH_String("map0%i"), map); - else - sprintf (lumpname, DEH_String("map%i"), map); - } - else - { - lumpname[0] = 'E'; - lumpname[1] = '0' + episode; - lumpname[2] = 'M'; - lumpname[3] = '0' + map; - lumpname[4] = 0; - } - - lumpnum = W_GetNumForName (lumpname); - - leveltime = 0; - - // note: most of this ordering is important - P_LoadBlockMap (lumpnum+ML_BLOCKMAP); - P_LoadVertexes (lumpnum+ML_VERTEXES); - P_LoadSectors (lumpnum+ML_SECTORS); - P_LoadSideDefs (lumpnum+ML_SIDEDEFS); - - P_LoadLineDefs (lumpnum+ML_LINEDEFS); - P_LoadSubsectors (lumpnum+ML_SSECTORS); - P_LoadNodes (lumpnum+ML_NODES); - P_LoadSegs (lumpnum+ML_SEGS); - - rejectmatrix = W_CacheLumpNum (lumpnum+ML_REJECT,PU_LEVEL); - P_GroupLines (); - - bodyqueslot = 0; - deathmatch_p = deathmatchstarts; - P_LoadThings (lumpnum+ML_THINGS); - - // if deathmatch, randomly spawn the active players - if (deathmatch) - { - for (i=0 ; i<MAXPLAYERS ; i++) - if (playeringame[i]) - { - players[i].mo = NULL; - G_DeathMatchSpawnPlayer (i); - } - - } - - // clear special respawning que - iquehead = iquetail = 0; - - // set up world state - P_SpawnSpecials (); - - // build subsector connect matrix - // UNUSED P_ConnectSubsectors (); - - // preload graphics - if (precache) - R_PrecacheLevel (); - - //printf ("free memory: 0x%x\n", Z_FreeMemory()); - -} - - - -// -// P_Init -// -void P_Init (void) -{ - P_InitSwitchList (); - P_InitPicAnims (); - R_InitSprites (sprnames); -} - - - |