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use bspfile for reading the map

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Bill Currie 2002-11-18 22:46:53 +00:00
parent b1184fc066
commit b44d61e84b
1 changed files with 83 additions and 274 deletions
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357
tools/bsp2img/bsp2img.c
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@ -29,6 +29,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include <values.h> #include <values.h>
#include <stdint.h> #include <stdint.h>
#include "QF/bspfile.h"
#include "QF/cmd.h" #include "QF/cmd.h"
#include "QF/cvar.h" #include "QF/cvar.h"
#include "QF/pcx.h" #include "QF/pcx.h"
@ -46,81 +47,19 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#define MEMSIZE (12 * 1024 * 1024) #define MEMSIZE (12 * 1024 * 1024)
#define X point[0]
#define Y point[1]
#define Z point[2]
/* /*
Thanks fly to Id for a hackable game! :) Thanks fly to Id for a hackable game! :)
Types are copied from the BSP section of the Quake specs,
thanks to Olivier Montanuy et al.
*/ */
/* Data structs */
typedef struct dentry_t {
long offset;
long size;
} dentry_t;
typedef struct dheader_t {
long version;
dentry_t entities;
dentry_t planes;
dentry_t miptex;
dentry_t vertices;
dentry_t visilist;
dentry_t nodes;
dentry_t texinfo;
dentry_t faces;
dentry_t lightmaps;
dentry_t clipnodes;
dentry_t leaves;
dentry_t iface;
dentry_t edges;
dentry_t ledges;
dentry_t models;
} dheader_t;
/* vertices */
typedef struct vertex_t {
float X;
float Y;
float Z;
} vertex_t;
/* edges */
typedef struct edge_t {
unsigned short vertex0; // index of start vertex,
// 0..numvertices
unsigned short vertex1; // index of end vertex, 0..numvertices
} edge_t;
/* faces */
typedef struct face_t {
unsigned short plane_id;
unsigned short side;
long ledge_id;
unsigned short ledge_num;
unsigned short texinfo_id;
unsigned char typelight;
unsigned char baselight;
unsigned char light[2];
long lightmap;
} face_t;
/* MW */ /* MW */
typedef struct edge_extra_t { typedef struct edge_extra_t {
long num_face_ref; long num_face_ref;
long ref_faces[MAX_REF_FACES]; // which faces are referenced long ref_faces[MAX_REF_FACES]; // which faces are referenced
vertex_t ref_faces_normal[MAX_REF_FACES]; // normal of referenced dvertex_t ref_faces_normal[MAX_REF_FACES]; // normal of referenced
// faces // faces
int ref_faces_area[MAX_REF_FACES]; // area of the referenced faces int ref_faces_area[MAX_REF_FACES]; // area of the referenced faces
} edge_extra_t; } edge_extra_t;
@ -547,23 +486,17 @@ main (int argc, char *argv[])
QFile *bspfile = NULL; QFile *bspfile = NULL;
QFile *outfile = NULL; QFile *outfile = NULL;
long i = 0, j = 0, k = 0, x = 0; long i = 0, j = 0, k = 0, x = 0;
struct dheader_t bsp_header;
struct vertex_t *vertexlist = NULL; dvertex_t *vertexlist;
struct edge_t *edgelist = NULL; dedge_t *edgelist;
struct face_t *facelist = NULL; dface_t *facelist;
int *ledges = NULL; int *ledges;
/* edge removal stuff */ /* edge removal stuff */
struct edge_extra_t *edge_extra = NULL; struct edge_extra_t *edge_extra = NULL;
struct vertex_t v0, v1, vect; dvertex_t v0, v1, vect;
int area = 0, usearea; int area = 0, usearea;
long numedges = 0;
long numlistedges = 0;
long numvertices = 0;
long numfaces = 0;
float minX = 0.0, maxX = 0.0, minY = 0.0, maxY = 0.0, minZ = 0.0; float minX = 0.0, maxX = 0.0, minY = 0.0, maxY = 0.0, minZ = 0.0;
float maxZ = 0.0, midZ = 0.0, tempf = 0.0; float maxZ = 0.0, midZ = 0.0, tempf = 0.0;
long Zoffset0 = 0, Zoffset1 = 0; long Zoffset0 = 0, Zoffset1 = 0;
@ -573,6 +506,8 @@ main (int argc, char *argv[])
struct options_t options; struct options_t options;
int drawcol; int drawcol;
bsp_t *bsp;
/* Enough args? */ /* Enough args? */
if (argc < 3) { if (argc < 3) {
@ -585,145 +520,19 @@ main (int argc, char *argv[])
get_options (&options, argc, argv); get_options (&options, argc, argv);
show_options (&options); show_options (&options);
bspfile = Qopen (options.bspf_name, "r"); bspfile = Qopen (options.bspf_name, "rbz");
if (bspfile == NULL) { if (bspfile == NULL) {
fprintf (stderr, "Error opening bsp file %s.\n", options.bspf_name); fprintf (stderr, "Error opening bsp file %s.\n", options.bspf_name);
return 1; return 1;
} }
bsp = LoadBSPFile (bspfile, Qfilesize (bspfile));
/* Read header */
printf ("Reading header...");
i = Qread (bspfile, &bsp_header, sizeof (struct dheader_t));
if (i != sizeof (struct dheader_t)) {
printf ("error %s!\n", strerror (errno));
return 1;
} else {
printf ("done.\n");
}
numvertices = (bsp_header.vertices.size / sizeof (struct vertex_t));
numedges = (bsp_header.edges.size / sizeof (struct edge_t));
numlistedges = (bsp_header.ledges.size / sizeof (short));
numfaces = (bsp_header.faces.size / sizeof (struct face_t));
/* display header */
printf ("Header info:\n\n");
printf (" version %ld\n", bsp_header.version);
printf (" vertices - offset %ld\n", bsp_header.vertices.offset);
printf (" - size %ld", bsp_header.vertices.size);
printf (" [numvertices = %ld]\n", numvertices);
printf ("\n");
printf (" edges - offset %ld\n", bsp_header.edges.offset);
printf (" - size %ld", bsp_header.edges.size);
printf (" [numedges = %ld]\n", numedges);
printf ("\n");
printf (" ledges - offset %ld\n", bsp_header.ledges.offset);
printf (" - size %ld", bsp_header.ledges.size);
printf (" [numledges = %ld]\n", numlistedges);
printf ("\n");
printf (" faces - offset %ld\n", bsp_header.faces.offset);
printf (" - size %ld", bsp_header.faces.size);
printf (" [numfaces = %ld]\n", numfaces);
printf ("\n");
/* Read vertices - - - - - - - - - - - - - - - - - - - */
vertexlist = malloc (sizeof (struct vertex_t) * numvertices);
if (vertexlist == NULL) {
fprintf (stderr, "Error allocating %ld bytes for vertices.",
sizeof (struct vertex_t) * numvertices);
return 2;
}
printf ("Reading %ld vertices...", numvertices);
if (Qseek (bspfile, bsp_header.vertices.offset, SEEK_SET) == -1) {
fprintf (stderr, "error seeking to %ld\n", bsp_header.vertices.offset);
return 1;
} else {
printf ("seek to %ld...", Qtell (bspfile));
}
i = Qread (bspfile, vertexlist, sizeof (struct vertex_t) * numvertices);
if (i != sizeof (struct vertex_t) * numvertices) {
fprintf (stderr, "error %s! only %ld read.\n", strerror (errno), i);
return 1;
} else {
printf ("successfully read %ld vertices.\n", i);
}
/* Read edges - - - - - - - - - - - - - - - - - - - - */
edgelist = malloc (sizeof (struct edge_t) * numedges);
if (edgelist == NULL) {
fprintf (stderr, "Error allocating %ld bytes for vertices.",
sizeof (struct edge_t) * numedges);
return 2;
}
printf ("Reading %ld edges...", numedges);
if (Qseek (bspfile, bsp_header.edges.offset, SEEK_SET) == -1) {
fprintf (stderr, "error seeking to %ld\n", bsp_header.vertices.offset);
return 1;
} else {
printf ("seek to %ld...", Qtell (bspfile));
}
i = Qread (bspfile, edgelist, sizeof (struct edge_t) * numedges);
if (i != sizeof (struct edge_t) * numedges) {
fprintf (stderr, "error %s! only %ld read.\n", strerror (errno), i);
return 1;
} else {
printf ("successfully read %ld edges.\n", i);
}
/* Read ledges - - - - - - - - - - - - - - - - - - - */
ledges = malloc (sizeof (short) * numlistedges);
if (ledges == NULL) {
fprintf (stderr, "Error allocating %ld bytes for ledges.",
sizeof (short) * numlistedges);
return 2;
}
printf ("Reading ledges...");
if (Qseek (bspfile, bsp_header.ledges.offset, SEEK_SET) == -1) {
fprintf (stderr, "error seeking to %ld\n", bsp_header.ledges.offset);
return 1;
} else {
printf ("seek to %ld...", Qtell (bspfile));
}
i = Qread (bspfile, ledges, sizeof (short) * numlistedges);
if (i != sizeof (short) * numlistedges) {
fprintf (stderr, "error %s! only %ld read.\n", strerror (errno), i);
return 1;
} else {
printf ("successfully read %ld ledges.\n", i);
}
/* Read faces - - - - - - - - - - - - - - - - - - - - */
facelist = malloc (sizeof (struct face_t) * numfaces);
if (facelist == NULL) {
fprintf (stderr, "Error allocating %ld bytes for faces.",
sizeof (short) * numfaces);
return 2;
}
printf ("Reading faces...");
if (Qseek (bspfile, bsp_header.faces.offset, SEEK_SET) == -1) {
fprintf (stderr, "error seeking to %ld\n", bsp_header.faces.offset);
return 1;
} else {
printf ("seek to %ld...", Qtell (bspfile));
}
i = Qread (bspfile, facelist, sizeof (struct face_t) * numfaces);
if (i != sizeof (struct face_t) * numfaces) {
fprintf (stderr, "error %s! only %ld read.\n", strerror (errno), i);
return 1;
} else {
printf ("successfully read %ld faces.\n", i);
}
/* Should be done reading stuff - - - - - - - - - - - - - - */
Qclose (bspfile); Qclose (bspfile);
vertexlist = bsp->vertexes;
edgelist = bsp->edges;
facelist = bsp->faces;
ledges = bsp->surfedges;
/* Precalc stuff if we're removing edges - - - - - - - - - - - */ /* Precalc stuff if we're removing edges - - - - - - - - - - - */
/* /*
typedef struct edge_extra_t { int num_face_ref; int typedef struct edge_extra_t { int num_face_ref; int
@ -732,33 +541,33 @@ main (int argc, char *argv[])
if (options.edgeremove) { if (options.edgeremove) {
printf ("Precalc edge removal stuff...\n"); printf ("Precalc edge removal stuff...\n");
edge_extra = malloc (sizeof (struct edge_extra_t) * numedges); edge_extra = malloc (sizeof (struct edge_extra_t) * bsp->numedges);
if (edge_extra == NULL) { if (edge_extra == NULL) {
fprintf (stderr, "Error allocating %ld bytes for extra edge info.", fprintf (stderr, "Error allocating %ld bytes for extra edge info.",
sizeof (struct edge_extra_t) * numedges); (long) sizeof (struct edge_extra_t) * bsp->numedges);
return 2; return 2;
} }
/* initialize the array */ /* initialize the array */
for (i = 0; i < numedges; i++) { for (i = 0; i < bsp->numedges; i++) {
edge_extra[i].num_face_ref = 0; edge_extra[i].num_face_ref = 0;
for (j = 0; j < MAX_REF_FACES; j++) { for (j = 0; j < MAX_REF_FACES; j++) {
edge_extra[i].ref_faces[j] = -1; edge_extra[i].ref_faces[j] = -1;
} }
} }
for (i = 0; i < numfaces; i++) { for (i = 0; i < bsp->numfaces; i++) {
/* calculate the normal (cross product) */ /* calculate the normal (cross product) */
/* starting edge: edgelist[ledges[facelist[i].ledge_id]] */ /* starting edge: edgelist[ledges[facelist[i].firstedge]] */
/* number of edges: facelist[i].ledge_num; */ /* number of edges: facelist[i].numedges; */
/* quick hack - just take the first 2 edges */ /* quick hack - just take the first 2 edges */
j = facelist[i].ledge_id; j = facelist[i].firstedge;
k = j; k = j;
vect.X = 0.0; vect.X = 0.0;
vect.Y = 0.0; vect.Y = 0.0;
vect.Z = 0.0; vect.Z = 0.0;
while (vect.X == 0.0 && vect.Y == 0.0 && vect.Z == 0.0 while (vect.X == 0.0 && vect.Y == 0.0 && vect.Z == 0.0
&& k < (facelist[i].ledge_num + j)) { && k < (facelist[i].numedges + j)) {
/* If the first 2 are parællel edges, go with the next one */ /* If the first 2 are parællel edges, go with the next one */
k++; k++;
/* /*
@ -766,45 +575,45 @@ main (int argc, char *argv[])
if (ledges[j] > 0) { if (ledges[j] > 0) {
v0.X = v0.X =
vertexlist[edgelist[abs ((int) ledges[j])].vertex0].X - vertexlist[edgelist[abs ((int) ledges[j])].v[0]].X -
vertexlist[edgelist[abs ((int) ledges[j])].vertex1].X; vertexlist[edgelist[abs ((int) ledges[j])].v[1]].X;
v0.Y = v0.Y =
vertexlist[edgelist[abs ((int) ledges[j])].vertex0].Y - vertexlist[edgelist[abs ((int) ledges[j])].v[0]].Y -
vertexlist[edgelist[abs ((int) ledges[j])].vertex1].Y; vertexlist[edgelist[abs ((int) ledges[j])].v[1]].Y;
v0.Z = v0.Z =
vertexlist[edgelist[abs ((int) ledges[j])].vertex0].Z - vertexlist[edgelist[abs ((int) ledges[j])].v[0]].Z -
vertexlist[edgelist[abs ((int) ledges[j])].vertex1].Z; vertexlist[edgelist[abs ((int) ledges[j])].v[1]].Z;
v1.X = v1.X =
vertexlist[edgelist[abs ((int) ledges[k])].vertex0].X - vertexlist[edgelist[abs ((int) ledges[k])].v[0]].X -
vertexlist[edgelist[abs ((int) ledges[k])].vertex1].X; vertexlist[edgelist[abs ((int) ledges[k])].v[1]].X;
v1.Y = v1.Y =
vertexlist[edgelist[abs ((int) ledges[k])].vertex0].Y - vertexlist[edgelist[abs ((int) ledges[k])].v[0]].Y -
vertexlist[edgelist[abs ((int) ledges[k])].vertex1].Y; vertexlist[edgelist[abs ((int) ledges[k])].v[1]].Y;
v1.Z = v1.Z =
vertexlist[edgelist[abs ((int) ledges[k])].vertex0].Z - vertexlist[edgelist[abs ((int) ledges[k])].v[0]].Z -
vertexlist[edgelist[abs ((int) ledges[k])].vertex1].Z; vertexlist[edgelist[abs ((int) ledges[k])].v[1]].Z;
} else { } else {
/* negative index, therefore walk in reverse order */ /* negative index, therefore walk in reverse order */
v0.X = v0.X =
vertexlist[edgelist[abs ((int) ledges[j])].vertex1].X - vertexlist[edgelist[abs ((int) ledges[j])].v[1]].X -
vertexlist[edgelist[abs ((int) ledges[j])].vertex0].X; vertexlist[edgelist[abs ((int) ledges[j])].v[0]].X;
v0.Y = v0.Y =
vertexlist[edgelist[abs ((int) ledges[j])].vertex1].Y - vertexlist[edgelist[abs ((int) ledges[j])].v[1]].Y -
vertexlist[edgelist[abs ((int) ledges[j])].vertex0].Y; vertexlist[edgelist[abs ((int) ledges[j])].v[0]].Y;
v0.Z = v0.Z =
vertexlist[edgelist[abs ((int) ledges[j])].vertex1].Z - vertexlist[edgelist[abs ((int) ledges[j])].v[1]].Z -
vertexlist[edgelist[abs ((int) ledges[j])].vertex0].Z; vertexlist[edgelist[abs ((int) ledges[j])].v[0]].Z;
v1.X = v1.X =
vertexlist[edgelist[abs ((int) ledges[k])].vertex1].X - vertexlist[edgelist[abs ((int) ledges[k])].v[1]].X -
vertexlist[edgelist[abs ((int) ledges[k])].vertex0].X; vertexlist[edgelist[abs ((int) ledges[k])].v[0]].X;
v1.Y = v1.Y =
vertexlist[edgelist[abs ((int) ledges[k])].vertex1].Y - vertexlist[edgelist[abs ((int) ledges[k])].v[1]].Y -
vertexlist[edgelist[abs ((int) ledges[k])].vertex0].Y; vertexlist[edgelist[abs ((int) ledges[k])].v[0]].Y;
v1.Z = v1.Z =
vertexlist[edgelist[abs ((int) ledges[k])].vertex1].Z - vertexlist[edgelist[abs ((int) ledges[k])].v[1]].Z -
vertexlist[edgelist[abs ((int) ledges[k])].vertex0].Z; vertexlist[edgelist[abs ((int) ledges[k])].v[0]].Z;
} }
/* cross product */ /* cross product */
@ -841,10 +650,10 @@ main (int argc, char *argv[])
// printf("(%8.3f, %8.3f, %8.3f)\n",vect.X, vect.Y, vect.Z); // printf("(%8.3f, %8.3f, %8.3f)\n",vect.X, vect.Y, vect.Z);
/* Now go put ref in all edges... */ /* Now go put ref in all edges... */
/* printf("<id=%ld|num=%ld>",facelist[i].ledge_id, /* printf("<id=%ld|num=%ld>",facelist[i].firstedge,
facelist[i].ledge_num); */ facelist[i].numedges); */
for (j = 0; j < facelist[i].ledge_num; j++) { for (j = 0; j < facelist[i].numedges; j++) {
k = j + facelist[i].ledge_id; k = j + facelist[i].firstedge;
x = edge_extra[abs ((int) ledges[k])].num_face_ref; x = edge_extra[abs ((int) ledges[k])].num_face_ref;
/* /*
printf("e%d(le%ld)",abs((int)ledges[k]),k); */ printf("e%d(le%ld)",abs((int)ledges[k]),k); */
@ -874,7 +683,7 @@ main (int argc, char *argv[])
printf ("Collecting min/max\n"); printf ("Collecting min/max\n");
/* Collect min and max */ /* Collect min and max */
for (i = 0; i < numvertices; i++) { for (i = 0; i < bsp->numvertexes; i++) {
/* DEBUG - print vertices */ /* DEBUG - print vertices */
// printf("vertex %ld: (%f, %f, %f)\n", i, vertexlist[i].X, // printf("vertex %ld: (%f, %f, %f)\n", i, vertexlist[i].X,
// vertexlist[i].Y, vertexlist[i].Z); // vertexlist[i].Y, vertexlist[i].Z);
@ -1036,15 +845,15 @@ main (int argc, char *argv[])
fprintf (stderr, "Plotting edges..."); fprintf (stderr, "Plotting edges...");
k = 0; k = 0;
drawcol = (options.edgeremove) ? 64 : 32; drawcol = (options.edgeremove) ? 64 : 32;
for (i = 0; i < numedges; i++) { for (i = 0; i < bsp->numedges; i++) {
/* /*
fprintf(stderr, "Edge %ld: vertex %d (%f, %f, %f) -> %d (%f, %f, fprintf(stderr, "Edge %ld: vertex %d (%f, %f, %f) -> %d (%f, %f,
%f)\n", i, edgelist[i].vertex0, vertexlist[edgelist[i].vertex0].X, %f)\n", i, edgelist[i].v[0], vertexlist[edgelist[i].v[0]].X,
vertexlist[edgelist[i].vertex0].Y, vertexlist[edgelist[i].v[0]].Y,
vertexlist[edgelist[i].vertex0].Z, edgelist[i].vertex1, vertexlist[edgelist[i].v[0]].Z, edgelist[i].v[1],
vertexlist[edgelist[i].vertex1].X, vertexlist[edgelist[i].v[1]].X,
vertexlist[edgelist[i].vertex1].Y, vertexlist[edgelist[i].v[1]].Y,
vertexlist[edgelist[i].vertex1].Z); */ vertexlist[edgelist[i].v[1]].Z); */
/* Do a check on this line ... see if we keep this line or not */ /* Do a check on this line ... see if we keep this line or not */
/* /*
fprintf(stderr,"edge %ld is referenced by %ld fprintf(stderr,"edge %ld is referenced by %ld
@ -1098,39 +907,39 @@ main (int argc, char *argv[])
if ((abs (tempf) < options.flat_threshold) && if ((abs (tempf) < options.flat_threshold) &&
(usearea > options.area_threshold) && (usearea > options.area_threshold) &&
(sqrt (sqrt
((vertexlist[edgelist[i].vertex0].X - ((vertexlist[edgelist[i].v[0]].X -
vertexlist[edgelist[i].vertex1].X) * vertexlist[edgelist[i].v[1]].X) *
(vertexlist[edgelist[i].vertex0].X - (vertexlist[edgelist[i].v[0]].X -
vertexlist[edgelist[i].vertex1].X) + vertexlist[edgelist[i].v[1]].X) +
(vertexlist[edgelist[i].vertex0].Y - (vertexlist[edgelist[i].v[0]].Y -
vertexlist[edgelist[i].vertex1].Y) * vertexlist[edgelist[i].v[1]].Y) *
(vertexlist[edgelist[i].vertex0].Y - (vertexlist[edgelist[i].v[0]].Y -
vertexlist[edgelist[i].vertex1].Y) + vertexlist[edgelist[i].v[1]].Y) +
(vertexlist[edgelist[i].vertex0].Z - (vertexlist[edgelist[i].v[0]].Z -
vertexlist[edgelist[i].vertex1].Z) * vertexlist[edgelist[i].v[1]].Z) *
(vertexlist[edgelist[i].vertex0].Z - (vertexlist[edgelist[i].v[0]].Z -
vertexlist[edgelist[i].vertex1].Z)) > vertexlist[edgelist[i].v[1]].Z)) >
options.linelen_threshold)) { options.linelen_threshold)) {
Zoffset0 = Zoffset0 =
(long) (options.z_pad * (long) (options.z_pad *
(vertexlist[edgelist[i].vertex0].Z - midZ) / (maxZ - (vertexlist[edgelist[i].v[0]].Z - midZ) / (maxZ -
minZ)); minZ));
Zoffset1 = Zoffset1 =
(long) (options.z_pad * (long) (options.z_pad *
(vertexlist[edgelist[i].vertex1].Z - midZ) / (maxZ - (vertexlist[edgelist[i].v[1]].Z - midZ) / (maxZ -
minZ)); minZ));
bresline (image, bresline (image,
(long) ((vertexlist[edgelist[i].vertex0].X - (long) ((vertexlist[edgelist[i].v[0]].X -
minX) / options.scaledown + options.image_pad + minX) / options.scaledown + options.image_pad +
options.z_pad + (float) (Zoffset0 * Z_Xdir)), options.z_pad + (float) (Zoffset0 * Z_Xdir)),
(long) ((vertexlist[edgelist[i].vertex0].Y - (long) ((vertexlist[edgelist[i].v[0]].Y -
minY) / options.scaledown + options.image_pad + minY) / options.scaledown + options.image_pad +
options.z_pad + (float) (Zoffset0 * Z_Ydir)), options.z_pad + (float) (Zoffset0 * Z_Ydir)),
(long) ((vertexlist[edgelist[i].vertex1].X - (long) ((vertexlist[edgelist[i].v[1]].X -
minX) / options.scaledown + options.image_pad + minX) / options.scaledown + options.image_pad +
options.z_pad + (float) (Zoffset1 * Z_Xdir)), options.z_pad + (float) (Zoffset1 * Z_Xdir)),
(long) ((vertexlist[edgelist[i].vertex1].Y - (long) ((vertexlist[edgelist[i].v[1]].Y -
minY) / options.scaledown + options.image_pad + minY) / options.scaledown + options.image_pad +
options.z_pad + (float) (Zoffset1 * Z_Ydir)), options.z_pad + (float) (Zoffset1 * Z_Ydir)),
drawcol); drawcol);
@ -1139,7 +948,7 @@ main (int argc, char *argv[])
} }
} }
printf ("%ld edges plotted", numedges); printf ("%d edges plotted", bsp->numedges);
if (options.edgeremove) { if (options.edgeremove) {
printf (" (%ld edges removed)\n", k); printf (" (%ld edges removed)\n", k);
} else { } else {