[qfbsp] Add an option to dump info about a bsp file

Just the header plus some basics of model info.

tools/qfbsp/include/bsp5.h

@@ -129,6 +129,8 @@ node_t *AllocNode (void);
 
 extern bsp_t *bsp;
 
+void bspinfo (void);
+
 ///@}
 
 #endif//qfbsp_bsp5_h

tools/qfbsp/include/options.h

@@ -43,6 +43,7 @@ typedef struct {
 	qboolean    noclip;
 	qboolean    onlyents;
 	qboolean    portal;
+	qboolean    info;
 	qboolean    extract;
 	qboolean    extract_textures;
 	qboolean    extract_entities;

tools/qfbsp/source/Makemodule.am

@@ -8,6 +8,7 @@ bin_PROGRAMS += @QFBSP_TARGETS@
 qfbsp_SOURCES= \
 	tools/qfbsp/source/brush.c \
 	tools/qfbsp/source/csg4.c \
+	tools/qfbsp/source/info.c \
 	tools/qfbsp/source/map.c \
 	tools/qfbsp/source/merge.c \
 	tools/qfbsp/source/nodraw.c \

tools/qfbsp/source/info.c

@@ -0,0 +1,67 @@
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif
+#include <stdlib.h>
+
+#include "QF/sys.h"
+
+#include "tools/qfbsp/include/brush.h"
+#include "tools/qfbsp/include/bsp5.h"
+#include "tools/qfbsp/include/draw.h"
+#include "tools/qfbsp/include/options.h"
+
+typedef struct lumpinfo_s {
+	const char *name;
+	int         size;
+} lumpinfo_t;
+
+#define S(f) sizeof (*((bsp_t *)0)->f)
+static lumpinfo_t lump_info[] = {
+	{ "entities",     S(entdata) },
+	{ "planes",       S(planes) },
+	{ "textures",     S(texdata) },
+	{ "vertices",     S(vertexes) },
+	{ "visibility",   S(visdata) },
+	{ "nodes",        S(nodes) },
+	{ "texinfo",      S(texinfo) },
+	{ "faces",        S(faces) },
+	{ "lighting",     S(lightdata) },
+	{ "clipnodes",    S(clipnodes) },
+	{ "leafs",        S(leafs) },
+	{ "marksurfaces", S(marksurfaces) },
+	{ "edges",        S(edges) },
+	{ "surfedges",    S(surfedges) },
+	{ "models",       S(models) },
+};
+
+void
+bspinfo ()
+{
+	printf ("version: %d\n", bsp->header->version);
+	for (int i = 0; i < HEADER_LUMPS; i++) {
+		lump_t     *lump = &bsp->header->lumps[i];
+		lumpinfo_t *info = &lump_info[i];
+
+		printf ("    %-12s: %7d %7d %7d\n", info->name,
+				lump->fileofs, lump->filelen, lump->filelen / info->size);
+
+	}
+	for (int i = 0; i < bsp->nummodels; i++) {
+		dmodel_t   *model = &bsp->models[i];
+		printf ("model: *%d\n", i);
+		printf ("    mins    : [%g, %g, %g]\n", VectorExpand (model->mins));
+		printf ("    maxs    : [%g, %g, %g]\n", VectorExpand (model->maxs));
+		printf ("    origin  : [%g, %g, %g]\n", VectorExpand (model->origin));
+		printf ("    headnode:");
+		for (int j = 0; j < MAX_MAP_HULLS; j++) {
+			printf (" %d", model->headnode[j]);
+		}
+		printf ("\n");
+		printf ("    visleafs: %d\n", model->visleafs);
+		printf ("    faces   : %7d %7d\n", model->firstface, model->numfaces);
+	}
+}

tools/qfbsp/source/options.c

@@ -59,6 +59,7 @@ static struct option const long_options[] = {
 	{"noclip",				no_argument,		0, 'c'},
 	{"onlyents",			no_argument,		0, 'e'},
 	{"portal",				no_argument,		0, 'p'},
+	{"info",				no_argument,		0, 'i'},
 	{"extract-textures",	no_argument,		0, 256},
 	{"extract-entities",	no_argument,		0, 257},
 	{"extract-hull",		no_argument,		0, 258},
@@ -81,6 +82,7 @@ static const char *short_options =
 	"f"		// nofill
 	"c"		// noclip
 	"e"		// onlyents
+	"i"		// info
 	"o:"	// outputfile
 	"p"		// portal
 	"u"		// usehulls
@@ -102,6 +104,7 @@ usage (int status)
 		"    -v, --verbose             Display more output than usual\n"
 		"    -h, --help                Display this help and exit\n"
 		"    -V, --version             Output version information and exit\n"
+		"    -i, --info                Display info about the bsp\n"
 		"    -d, --draw\n"
 		"    -t, --notjunc\n"
 		"    -c, --noclip\n"
@@ -163,6 +166,10 @@ DecodeArgs (int argc, char **argv)
 			case 'o':
 				options.output_file = strdup (optarg);
 				break;
+			case 'i':
+				options.extract = true;
+				options.info = true;
+				break;
 			case 'p':					// portal
 				options.extract = true;
 				options.portal = true;

tools/qfbsp/source/qfbsp.c

@@ -404,10 +404,10 @@ CreateHulls (void)
 static void
 ProcessFile (void)
 {
-	bsp = BSP_New ();
-
 	if (options.extract) {
 		LoadBSP ();
+		if (options.info)
+			bspinfo ();
 		if (options.portal)
 			bsp2prt ();
 		if (options.extract_textures)
@@ -420,6 +420,7 @@ ProcessFile (void)
 		return;
 	}
 
+	bsp = BSP_New ();
 	// load brushes and entities
 	LoadMapFile (options.mapfile);