Added copies of old numbered releases.0.02

1 files changed, 806 insertions, 0 deletions

diff --git a/wad.c b/wad.c
new file mode 100644
index 0000000..ca7f28a
--- /dev/null
+++ b/wad.c
@@ -0,0 +1,806 @@
+/*
+
+    viDOOM - level editor for DOOM
+
+    Copyright (C) 2000  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    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
+
+    -------------------------------------------------------------------------
+
+    WAD file definitions and readers
+
+*/
+static const char rcs_id[]="$Id$";
+
+#include "config.h"
+#include "globals.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include "wad.h"
+#include "gfx.h"
+#include "mem.h"
+#include "file.h"
+
+/* ---------------------------------------- TYPES
+*/
+
+typedef struct WadEnt
+	{
+	DirName	name;
+	Long	off;
+	Long	size;
+	} WadEnt;
+
+typedef struct WadDirTable
+	{
+	int	no;
+	WadEnt	*ent;
+	} WadDirTable;
+
+typedef struct WadFile
+	{
+	FILE	*fp;
+	char	path[PATH_MAX+1];
+	} WadFile;
+
+
+/* ---------------------------------------- VARS
+*/
+
+#define IGNORE_LUMP	0
+#define THING_LUMP	1
+#define VERTEX_LUMP	2
+#define LINEDEF_LUMP	3
+#define SIDEDEF_LUMP	4
+#define SECTOR_LUMP	5
+
+#define ERR(e,r)	do {wad_err=e;return(r);} while(0)
+static const char	*wad_errstr[WAD_NOERROR]=
+			    {
+				"no error",
+				"File not found",
+				"File not an IWAD or PWAD",
+				"File not an IWAD",
+				"File not a PWAD",
+				"Map not found",
+				"Lump not found",
+				"Could not create file",
+				__FILE__ " - ??? BROKEN ???",
+			    };
+
+static int		wad_err=WAD_OK;
+
+static List		waddir=NULL;
+static List		wadlist=NULL;
+
+
+/* ---------------------------------------- MACROS
+*/
+#define ERR(e,r)	do {wad_err=e;return(r);} while(0)
+
+
+/* ---------------------------------------- PREDICATE FUNCTIONS
+*/
+static int FindDirEnt(void *a,void *b)
+{
+    WadDir *aa;
+
+    aa=(WadDir *)a;
+
+    return(STREQ(aa->name,b));
+}
+
+
+static int FindWAD(void *a,void *b)
+{
+    WadFile *aa;
+
+    aa=a;
+
+    return(FilenamesEqual(aa->path,b));
+}
+
+
+/* ---------------------------------------- PRIVATE FUNCTIONS
+*/
+static Word GetShort(FILE *fp)
+{
+    return ((Short)fgetc(fp)|((Short)fgetc(fp))<<8);
+}
+
+
+static Long GetLong(FILE *fp)
+{
+    return ((Long)fgetc(fp)|
+	    ((Long)fgetc(fp))<<8|
+	    ((Long)fgetc(fp))<<16|
+	    ((Long)fgetc(fp))<<24);
+}
+
+
+static char *GetName(FILE *fp)
+{
+    static DirName d;
+
+    fread(d,1,8,fp);
+    d[sizeof(d)-1]=0;
+    return(d);
+}
+
+
+static void PutShort(FILE *fp,Short s)
+{
+    fputc(s&0xff,fp);
+    fputc((s>>8)&0xff,fp);
+}
+
+
+static void PutLong(FILE *fp,Long l)
+{
+    fputc(l&0xff,fp);
+    fputc((l>>8)&0xff,fp);
+    fputc((l>>16)&0xff,fp);
+    fputc((l>>24)&0xff,fp);
+}
+
+
+static void PutName(FILE *fp,char *p)
+{
+    int f;
+
+    f=0;
+    while(f<8)
+    	{
+	fputc(*p,fp);
+
+	if (*p)
+	    p++;
+
+	f++;
+	}
+}
+
+
+static void PutDirEnt(FILE *fp,Long off,Long size,char *p)
+{
+    PutLong(fp,off);
+    PutLong(fp,size);
+    PutName(fp,p);
+}
+
+
+static int IsMapLump(char *n)
+{
+    return(STREQ("THINGS",n)||
+    	   STREQ("LINEDEFS",n)||
+    	   STREQ("SIDEDEFS",n)||
+    	   STREQ("VERTEXES",n)||
+    	   STREQ("SEGS",n)||
+    	   STREQ("SSECTORS",n)||
+    	   STREQ("NODES",n)||
+    	   STREQ("SECTORS",n)||
+    	   STREQ("REJECT",n)||
+    	   STREQ("BLOCKMAP",n));
+}
+
+static int HandledMapLump(char *n)
+{
+    static struct
+    	{
+	char	*name;
+	int	lump;
+	} lump[]=   {
+		    	{"THINGS",THING_LUMP},
+		    	{"VERTEXES",VERTEX_LUMP},
+		    	{"SIDEDEFS",SIDEDEF_LUMP},
+		    	{"LINEDEFS",LINEDEF_LUMP},
+		    	{"SECTORS",SECTOR_LUMP},
+		    	{NULL,IGNORE_LUMP},
+		    };
+
+    int f;
+
+    f=0;
+    while(lump[f].name)
+    	{
+	if (STREQ(lump[f].name,n))
+	    return(lump[f].lump);
+
+	f++;
+	}
+
+    return(IGNORE_LUMP);
+}
+
+
+static WadDir *GetDir(char *name)
+{
+    Iterator i;
+    WadDir *w;
+
+    if (!(i=ListFindElem(waddir,FindDirEnt,name)))
+    	return(NULL);
+
+    w=IteratorData(i);
+    IteratorClear(i);
+
+    return(w);
+}
+
+
+static WadFile *GetWADFile(char *name)
+{
+    Iterator i;
+    WadFile *w;
+
+    if (!(i=ListFindElem(wadlist,FindWAD,name)))
+    	return(NULL);
+
+    w=IteratorData(i);
+    IteratorClear(i);
+
+    return(w);
+}
+
+
+static void *LoadDirEnt(WadDir *d,Long *size)
+{
+    void *ret;
+    WadFile *wf;
+
+    if (!(wf=GetWADFile(d->wad)))
+    	return(NULL);
+
+    ret=Grab(d->size);
+    fseek(wf->fp,(long)d->off,SEEK_SET);
+    fread(ret,1,d->size,wf->fp);
+
+    if (size)
+	*size=d->size;
+
+    return(ret);
+}
+
+
+static WadDirTable *ReadDir(char *wad, char *expect)
+{
+    char type[4];
+    WadDirTable *d;
+    int f;
+    FILE *fp;
+
+    if (!(fp=fopen(wad,"rb")))
+    	ERR(WAD_FILE_NOT_FOUND,NULL);
+
+    fread(type,1,4,fp);
+
+    if (STRNEQ("IWAD",expect)&&(!STRNEQ("IWAD",type)))
+    	ERR(WAD_NOT_IWAD,NULL);
+    else if (STRNEQ("PWAD",expect)&&(!STRNEQ("PWAD",type)))
+    	ERR(WAD_NOT_PWAD,NULL);
+
+    d=Grab(sizeof(WadDirTable));
+    d->no=GetLong(fp);
+
+    d->ent=Grab(sizeof(WadEnt)*d->no);
+
+    fseek(fp,(long)GetLong(fp),SEEK_SET);
+
+    for(f=0;f<d->no;f++)
+	{
+    	d->ent[f].off=GetLong(fp);
+    	d->ent[f].size=GetLong(fp);
+    	strcpy(d->ent[f].name,GetName(fp));
+	}
+
+    return(d);
+}
+
+
+static int AddWAD(char *wad,char *type)
+{
+    Iterator i;
+    WadDirTable *d;
+    WadDir w;
+    int f;
+    char *wadname;
+    WadFile *wf;
+    int check;
+    int e2m1;
+    int map01;
+
+    /* Read in the directory from the WAD
+    */
+    if (!waddir)
+    	{
+	waddir=ListNew(sizeof(WadDir));
+	wadlist=ListNew(sizeof(WadFile));
+	}
+
+    if (!(d=ReadDir(wad,type)))
+    	return(wad_err);
+
+    /* Find the WAD name in the WAD list
+    */
+    if ((i=ListFindElem(wadlist,FindWAD,wad)))
+	{
+	wadname=((WadFile *)IteratorData(i))->path;
+    	IteratorClear(i);
+	}
+    else
+	{
+	wf=Grab(sizeof(WadFile));
+
+	if (!(wf->fp=fopen(wad,"rb")))
+	    GFX_exit(EXIT_FAILURE,"BIZARRE: WAD opening failed after "
+	    		"first open succeeded on\nt%s\n",wad);
+
+	strcpy(wf->path,wad);
+	wadname=wf->path;
+        ListInsert(wadlist,wf);
+	}
+
+    /* Add the directory entries to the global dir
+    */
+    e2m1=FALSE;
+    map01=FALSE;
+    check=STRNEQ("IWAD",type);
+
+    for(f=d->no-1;f>=0;f--)
+    	{
+	w.wad=wadname;
+	w.off=d->ent[f].off;
+	w.size=d->ent[f].size;
+	strcpy(w.name,d->ent[f].name);
+
+	if (check)
+	    {
+	    if (STREQ("E2M1",d->ent[f].name))
+	    	e2m1=TRUE;
+
+	    if (STREQ("MAP01",d->ent[f].name))
+	    	map01=TRUE;
+	    }
+
+	ListInsert(waddir,&w);
+	}
+
+    /* Shareware checks fo IWAD files
+    */
+    if (check)
+	switch(level_style)
+	    {
+	    case DOOM_LEVELS:
+	    case ULTIMATE_DOOM_LEVELS:
+	        if (e2m1)
+		    break;
+	    case DOOM_2_LEVELS:
+	        if (map01)
+		    break;
+	    default:
+		GFX_exit(EXIT_FAILURE,
+				"You MUST have an IWAD from the registered "
+				"version of\nDOOM, ULTIMATE DOOM, DOOM II "
+				    "or FINAL DOOM\n");
+		break;
+	    }
+
+    Release(d->ent);
+    Release(d);
+
+    ERR(WAD_OK,WAD_OK);
+}
+
+
+/* ---------------------------------------- EXPORTED FUNCTIONS
+*/
+
+int AddIWAD(char *wad)
+{
+    return (AddWAD(wad,"IWAD"));
+}
+
+
+int AddPWAD(char *wad)
+{
+    return (AddWAD(wad,"PWAD"));
+}
+
+
+int CloseWad(char *wad)
+{
+    WadDir *w;
+    Iterator i;
+
+    if (!(i=ListFindElem(wadlist,FindWAD,wad)))
+    	ERR(WAD_FILE_NOT_FOUND,WAD_FILE_NOT_FOUND);
+
+    i=IteratorDelete(i);
+    IteratorClear(i);
+
+    i=ListIterator(waddir);
+
+    while(i)
+    	{
+	w=IteratorData(i);
+
+	if (strcmp(w->wad,wad)==0)
+	    i=IteratorDelete(i);
+	else
+	    i=IteratorNext(i);
+	}
+
+    IteratorClear(i);
+
+    ERR(WAD_OK,WAD_OK);
+}
+
+
+char *OpenWads(void)
+{
+    Iterator i;
+    WadFile *w;
+    char *ret;
+
+    if (!(i=ListIterator(wadlist)))
+	ret=Strdup("");
+    else
+    	{
+	w=IteratorData(i);
+	ret=Grab(PATH_MAX+1);
+	strcpy(ret,w->path);
+	i=IteratorNext(i);
+
+	while(i)
+	    {
+	    strcat(ret,"|");
+	    w=IteratorData(i);
+	    ret=ReGrab(ret,strlen(ret)+PATH_MAX+1);
+	    strcat(ret,w->path);
+	    i=IteratorNext(i);
+	    }
+	}
+
+    return(ret);
+}
+
+
+Iterator GetWadDir(void)
+{
+    return(ListIterator(waddir));
+}
+
+
+int GetWadDirSize(void)
+{
+    return(ListSize(waddir));
+}
+
+
+void *GetLump(char *name, Long *size)
+{
+    WadDir *d;
+    void *ret;
+
+    if (size)
+    	*size=0;
+
+    if (!(d=GetDir(name)))
+    	ERR(WAD_LUMP_NOT_FOUND,NULL);
+
+    if ((ret=LoadDirEnt(d,size)))
+	ERR(WAD_OK,ret);
+    else
+    	ERR(WAD_FILE_NOT_FOUND,NULL);
+}
+
+
+WadMap *LoadMap(char *name)
+{
+    Iterator i;
+    WadMap *map;
+    WadDir *dir;
+    WadFile *wf;
+    Thing thing;
+    Vertex vertex;
+    Sidedef sidedef;
+    Linedef linedef;
+    Sector sector;
+    int f;
+
+    if (!(i=ListFindElem(waddir,FindDirEnt,name)))
+    	ERR(WAD_MAP_NOT_FOUND,NULL);
+    
+    dir=IteratorData(i);
+    if (!(wf=GetWADFile(dir->wad)))
+    	ERR(WAD_FILE_NOT_FOUND,NULL);
+
+    map=Grab(sizeof(WadMap));
+    map->thing=MapNew(sizeof(Thing));
+    map->vertex=MapNew(sizeof(Vertex));
+    map->sidedef=MapNew(sizeof(Sidedef));
+    map->linedef=MapNew(sizeof(Linedef));
+    map->sector=MapNew(sizeof(Sector));
+
+    /* Step through the items following the map in the dir to load the
+       lumps for the level in.
+    */
+    while(TRUE)
+    	{
+	i=IteratorNext(i);
+	dir=IteratorData(i);
+
+	if (!IsMapLump(dir->name))
+	    ERR(WAD_OK,map);
+
+	switch (HandledMapLump(dir->name))
+	    {
+	    case THING_LUMP:
+		fseek(wf->fp,(long)dir->off,SEEK_SET);
+
+		for(f=0;f<dir->size/THING_SIZE;f++)
+		    {
+		    thing.x=GetShort(wf->fp);
+		    thing.y=GetShort(wf->fp);
+		    thing.ang=GetShort(wf->fp);
+		    thing.type=GetShort(wf->fp);
+		    thing.opt=GetShort(wf->fp);
+
+		    MapAdd(map->thing,f,&thing);
+		    }
+	    	break;
+
+	    case VERTEX_LUMP:
+		fseek(wf->fp,(long)dir->off,SEEK_SET);
+
+		for(f=0;f<dir->size/VERTEX_SIZE;f++)
+		    {
+		    vertex.x=GetShort(wf->fp);
+		    vertex.y=GetShort(wf->fp);
+		    MapAdd(map->vertex,f,&vertex);
+		    }
+	    	break;
+
+	    case SIDEDEF_LUMP:
+		fseek(wf->fp,(long)dir->off,SEEK_SET);
+
+		for(f=0;f<dir->size/SIDEDEF_SIZE;f++)
+		    {
+		    sidedef.x=GetShort(wf->fp);
+		    sidedef.y=GetShort(wf->fp);
+		    strcpy(sidedef.upper,GetName(wf->fp));
+		    strcpy(sidedef.lower,GetName(wf->fp));
+		    strcpy(sidedef.middle,GetName(wf->fp));
+		    sidedef.sector=GetShort(wf->fp);
+		    MapAdd(map->sidedef,f,&sidedef);
+		    }
+	    	break;
+
+	    case LINEDEF_LUMP:
+		fseek(wf->fp,(long)dir->off,SEEK_SET);
+
+		for(f=0;f<dir->size/LINEDEF_SIZE;f++)
+		    {
+		    linedef.from=GetShort(wf->fp);
+		    linedef.to=GetShort(wf->fp);
+		    linedef.flags=GetShort(wf->fp);
+		    linedef.type=GetShort(wf->fp);
+		    linedef.tag=GetShort(wf->fp);
+		    linedef.right=GetShort(wf->fp);
+		    linedef.left=GetShort(wf->fp);
+		    MapAdd(map->linedef,f,&linedef);
+		    }
+	    	break;
+
+	    case SECTOR_LUMP:
+		fseek(wf->fp,(long)dir->off,SEEK_SET);
+
+		for(f=0;f<dir->size/SECTOR_SIZE;f++)
+		    {
+		    sector.floor=GetShort(wf->fp);
+		    sector.ceiling=GetShort(wf->fp);
+		    strcpy(sector.floor_t,GetName(wf->fp));
+		    strcpy(sector.ceiling_t,GetName(wf->fp));
+		    sector.light=GetShort(wf->fp);
+		    sector.special=GetShort(wf->fp);
+		    sector.tag=GetShort(wf->fp);
+		    MapAdd(map->sector,f,&sector);
+		    }
+	    	break;
+
+	    default:
+	    	break;
+	    }
+	}
+
+    ERR(WAD_OK,map);
+}
+
+
+WadMap *NewMap(void)
+{
+    WadMap *map;
+
+    map=Grab(sizeof(WadMap));
+    map->thing=MapNew(sizeof(Thing));
+    map->vertex=MapNew(sizeof(Vertex));
+    map->sidedef=MapNew(sizeof(Sidedef));
+    map->linedef=MapNew(sizeof(Linedef));
+    map->sector=MapNew(sizeof(Sector));
+
+    return(map);
+}
+
+
+WadMap *ClearMap(WadMap *map)
+{
+    MapClear(map->thing);
+    MapClear(map->vertex);
+    MapClear(map->sidedef);
+    MapClear(map->linedef);
+    MapClear(map->sector);
+    Release(map);
+    return(NULL);
+}
+
+
+int SaveMap(WadMap *map, char *name, char *wad)
+{
+    FILE *fp;
+    Long off;
+    int f;
+
+    if (!(fp=fopen(wad,"wb")))
+	ERR(WAD_COULD_NOT_CREATE,WAD_COULD_NOT_CREATE);
+
+    off=MapSize(map->vertex)*VERTEX_SIZE+
+	MapSize(map->sidedef)*SIDEDEF_SIZE+
+	MapSize(map->linedef)*LINEDEF_SIZE+
+	MapSize(map->sector)*SECTOR_SIZE+
+	MapSize(map->thing)*THING_SIZE+12;
+
+    /* Put PWAD header
+    */
+    fputs("PWAD",fp);
+    PutLong(fp,10);
+    PutLong(fp,off);
+
+    /* Put THINGS
+    */
+    for(f=0;f<MapSize(map->thing);f++)
+    	{
+	Thing *t;
+
+	t=MapElem(map->thing,f);
+	PutShort(fp,t->x);
+	PutShort(fp,t->y);
+	PutShort(fp,t->ang);
+	PutShort(fp,t->type);
+	PutShort(fp,t->opt);
+	}
+
+    /* Put LINEDEFS
+    */
+    for(f=0;f<MapSize(map->linedef);f++)
+    	{
+	Linedef *l;
+
+	l=MapElem(map->linedef,f);
+	PutShort(fp,l->from);
+	PutShort(fp,l->to);
+	PutShort(fp,l->flags);
+	PutShort(fp,l->type);
+	PutShort(fp,l->tag);
+	PutShort(fp,l->right);
+	PutShort(fp,l->left);
+	}
+
+    /* Put SIDEDEFS
+    */
+    for(f=0;f<MapSize(map->sidedef);f++)
+    	{
+	Sidedef *s;
+
+	s=MapElem(map->sidedef,f);
+	PutShort(fp,s->x);
+	PutShort(fp,s->y);
+	PutName(fp,s->upper);
+	PutName(fp,s->lower);
+	PutName(fp,s->middle);
+	PutShort(fp,s->sector);
+	}
+
+    /* Put VERTEXES
+    */
+    for(f=0;f<MapSize(map->vertex);f++)
+    	{
+	Vertex *v;
+
+	v=MapElem(map->vertex,f);
+	PutShort(fp,v->x);
+	PutShort(fp,v->y);
+	}
+
+    /* Skip SEGS, SSECTORS, NODE
+    */
+
+    /* Put SECTORS
+    */
+    for(f=0;f<MapSize(map->sector);f++)
+    	{
+	Sector *s;
+
+	s=MapElem(map->sector,f);
+	PutShort(fp,s->floor);
+	PutShort(fp,s->ceiling);
+	PutName(fp,s->floor_t);
+	PutName(fp,s->ceiling_t);
+	PutShort(fp,s->light);
+	PutShort(fp,s->special);
+	PutShort(fp,s->tag);
+	}
+
+    /* Skip REJECT, BLOCKMAP
+    */
+
+    /* Create directory
+    */
+    off=12;
+
+    PutDirEnt(fp,off,0,name);
+
+    PutDirEnt(fp,off,MapSize(map->thing)*THING_SIZE,"THINGS");
+    off+=MapSize(map->thing)*THING_SIZE;
+
+    PutDirEnt(fp,off,MapSize(map->linedef)*LINEDEF_SIZE,"LINEDEFS");
+    off+=MapSize(map->linedef)*LINEDEF_SIZE;
+
+    PutDirEnt(fp,off,MapSize(map->sidedef)*SIDEDEF_SIZE,"SIDEDEFS");
+    off+=MapSize(map->sidedef)*SIDEDEF_SIZE;
+
+    PutDirEnt(fp,off,MapSize(map->vertex)*VERTEX_SIZE,"VERTEXES");
+    off+=MapSize(map->vertex)*VERTEX_SIZE;
+
+    PutDirEnt(fp,off,0,"SEGS");
+    PutDirEnt(fp,off,0,"SSECTORS");
+    PutDirEnt(fp,off,0,"NODES");
+
+    PutDirEnt(fp,off,MapSize(map->sector)*SECTOR_SIZE,"SECTORS");
+    off+=MapSize(map->sector)*SECTOR_SIZE;
+
+    PutDirEnt(fp,off,0,"REJECT");
+    PutDirEnt(fp,off,0,"BLOCKMAP");
+
+    fclose(fp);
+
+    ERR(WAD_OK,WAD_OK);
+}
+
+
+int WadError(void)
+{
+    return(wad_err);
+}
+
+
+const char *WadErrorString(void)
+{
+    return(wad_errstr[wad_err]);
+}
+
+/* END OF FILE */