-/*\r
-Copyright (C) 1999-2007 id Software, Inc. and contributors.\r
-For a list of contributors, see the accompanying CONTRIBUTORS file.\r
-\r
-This file is part of GtkRadiant.\r
-\r
-GtkRadiant is free software; you can redistribute it and/or modify\r
-it under the terms of the GNU General Public License as published by\r
-the Free Software Foundation; either version 2 of the License, or\r
-(at your option) any later version.\r
-\r
-GtkRadiant is distributed in the hope that it will be useful,\r
-but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
-GNU General Public License for more details.\r
-\r
-You should have received a copy of the GNU General Public License\r
-along with GtkRadiant; if not, write to the Free Software\r
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\r
-*/\r
-\r
-//\r
-// trilib.c: library for loading triangles from an Alias triangle file\r
-//\r
-\r
-#include <stdio.h>\r
-#include "cmdlib.h"\r
-#include "mathlib.h"\r
-#include "polyset.h"\r
-#include "trilib.h"\r
-\r
-// on disk representation of a face\r
-\r
-\r
-#define FLOAT_START 99999.0\r
-#define FLOAT_END -FLOAT_START\r
-#define MAGIC 123322\r
-\r
-//#define NOISY 1\r
-\r
-#if defined (__linux__) || defined (__APPLE__)\r
-#define strlwr strlower\r
-#endif\r
-\r
-typedef struct {\r
- float v[3];\r
-} vector;\r
-\r
-typedef struct\r
-{\r
- vector n; /* normal */\r
- vector p; /* point */\r
- vector c; /* color */\r
- float u; /* u */\r
- float v; /* v */\r
-} aliaspoint_t;\r
-\r
-typedef struct {\r
- aliaspoint_t pt[3];\r
-} tf_triangle;\r
-\r
-\r
-static void ByteSwapTri (tf_triangle *tri)\r
-{\r
- int i;\r
- \r
- for (i=0 ; i<sizeof(tf_triangle)/4 ; i++)\r
- {\r
- ((int *)tri)[i] = BigLong (((int *)tri)[i]);\r
- }\r
-}\r
-\r
-static void ReadPolysetGeometry( triangle_t *tripool, FILE *input, int count, triangle_t *ptri )\r
-{\r
- tf_triangle tri;\r
- int i;\r
-\r
- for (i = 0; i < count; ++i) {\r
- int j;\r
-\r
- fread( &tri, sizeof(tf_triangle), 1, input );\r
- ByteSwapTri (&tri);\r
- for (j=0 ; j<3 ; j++)\r
- {\r
- int k;\r
-\r
- for (k=0 ; k<3 ; k++)\r
- {\r
- ptri->verts[j][k] = tri.pt[j].p.v[k];\r
- ptri->normals[j][k] = tri.pt[j].n.v[k];\r
-// ptri->colors[j][k] = tri.pt[j].c.v[k];\r
- }\r
-\r
- ptri->texcoords[j][0] = tri.pt[j].u;\r
- ptri->texcoords[j][1] = tri.pt[j].v;\r
- }\r
-\r
- ptri++;\r
- if ((ptri - tripool ) >= POLYSET_MAXTRIANGLES)\r
- Error ("Error: too many triangles; increase POLYSET_MAXTRIANGLES\n");\r
- }\r
-}\r
-\r
-void TRI_LoadPolysets( const char *filename, polyset_t **ppPSET, int *numpsets )\r
-{\r
- FILE *input;\r
- float start;\r
- char name[256], tex[256];\r
- int i, count, magic, pset = 0;\r
- triangle_t *ptri;\r
- polyset_t *pPSET;\r
- int iLevel;\r
- int exitpattern;\r
- float t;\r
-\r
- t = -FLOAT_START;\r
- *((unsigned char *)&exitpattern + 0) = *((unsigned char *)&t + 3);\r
- *((unsigned char *)&exitpattern + 1) = *((unsigned char *)&t + 2);\r
- *((unsigned char *)&exitpattern + 2) = *((unsigned char *)&t + 1);\r
- *((unsigned char *)&exitpattern + 3) = *((unsigned char *)&t + 0);\r
-\r
- if ((input = fopen(filename, "rb")) == 0)\r
- Error ("reader: could not open file '%s'", filename);\r
-\r
- iLevel = 0;\r
-\r
- fread(&magic, sizeof(int), 1, input);\r
- if (BigLong(magic) != MAGIC)\r
- Error ("%s is not a Alias object separated triangle file, magic number is wrong.", filename);\r
-\r
- pPSET = calloc( 1, POLYSET_MAXPOLYSETS * sizeof( polyset_t ) );\r
- ptri = calloc( 1, POLYSET_MAXTRIANGLES * sizeof( triangle_t ) );\r
-\r
- *ppPSET = pPSET;\r
-\r
- while (feof(input) == 0) {\r
- if (fread(&start, sizeof(float), 1, input) < 1)\r
- break;\r
- *(int *)&start = BigLong(*(int *)&start);\r
- if (*(int *)&start != exitpattern)\r
- {\r
- if (start == FLOAT_START) {\r
- /* Start of an object or group of objects. */\r
- i = -1;\r
- do {\r
- /* There are probably better ways to read a string from */\r
- /* a file, but this does allow you to do error checking */\r
- /* (which I'm not doing) on a per character basis. */\r
- ++i;\r
- fread( &(name[i]), sizeof( char ), 1, input);\r
- } while( name[i] != '\0' );\r
- \r
- if ( i != 0 )\r
- strncpy( pPSET[pset].name, name, sizeof( pPSET[pset].name ) - 1 );\r
- else\r
- strcpy( pPSET[pset].name , "(unnamed)" );\r
- strlwr( pPSET[pset].name );\r
-\r
-// indent();\r
-// fprintf(stdout,"OBJECT START: %s\n",name);\r
- fread( &count, sizeof(int), 1, input);\r
- count = BigLong(count);\r
- ++iLevel;\r
- if (count != 0) {\r
-// indent();\r
-// fprintf(stdout,"NUMBER OF TRIANGLES: %d\n",count);\r
- \r
- i = -1;\r
- do {\r
- ++i;\r
- fread( &(tex[i]), sizeof( char ), 1, input);\r
- } while( tex[i] != '\0' );\r
-\r
-/*\r
- if ( i != 0 )\r
- strncpy( pPSET[pset].texname, tex, sizeof( pPSET[pset].texname ) - 1 );\r
- else\r
- strcpy( pPSET[pset].texname, "(unnamed)" );\r
- strlwr( pPSET[pset].texname );\r
-*/\r
-\r
-// indent();\r
-// fprintf(stdout," Object texture name: '%s'\n",tex);\r
- }\r
- \r
- /* Else (count == 0) this is the start of a group, and */\r
- /* no texture name is present. */\r
- }\r
- else if (start == FLOAT_END) {\r
- /* End of an object or group. Yes, the name should be */\r
- /* obvious from context, but it is in here just to be */\r
- /* safe and to provide a little extra information for */\r
- /* those who do not wish to write a recursive reader. */\r
- /* Mea culpa. */\r
- --iLevel;\r
- i = -1;\r
- do {\r
- ++i;\r
- fread( &(name[i]), sizeof( char ), 1, input);\r
- } while( name[i] != '\0' );\r
-\r
- if ( i != 0 )\r
- strncpy( pPSET[pset].name, name, sizeof( pPSET[pset].name ) - 1 );\r
- else\r
- strcpy( pPSET[pset].name , "(unnamed)" );\r
-\r
- strlwr( pPSET[pset].name );\r
- \r
-// indent();\r
-// fprintf(stdout,"OBJECT END: %s\n",name);\r
- continue;\r
- }\r
- }\r
-\r
-//\r
-// read the triangles\r
-// \r
- if ( count > 0 )\r
- {\r
- pPSET[pset].triangles = ptri;\r
- ReadPolysetGeometry( pPSET[0].triangles, input, count, ptri );\r
- ptri += count;\r
- pPSET[pset].numtriangles = count;\r
- if ( ++pset >= POLYSET_MAXPOLYSETS )\r
- {\r
- Error ("Error: too many polysets; increase POLYSET_MAXPOLYSETS\n");\r
- }\r
- }\r
- }\r
-\r
- *numpsets = pset;\r
-\r
- fclose (input);\r
-}\r
-\r
+/*
+Copyright (C) 1999-2007 id Software, Inc. and contributors.
+For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+This file is part of GtkRadiant.
+
+GtkRadiant 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.
+
+GtkRadiant 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 GtkRadiant; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+//
+// trilib.c: library for loading triangles from an Alias triangle file
+//
+
+#include <stdio.h>
+#include "cmdlib.h"
+#include "mathlib.h"
+#include "polyset.h"
+#include "trilib.h"
+
+// on disk representation of a face
+
+
+#define FLOAT_START 99999.0
+#define FLOAT_END -FLOAT_START
+#define MAGIC 123322
+
+//#define NOISY 1
+
+#if defined (__linux__) || defined (__APPLE__)
+#define strlwr strlower
+#endif
+
+typedef struct {
+ float v[3];
+} vector;
+
+typedef struct
+{
+ vector n; /* normal */
+ vector p; /* point */
+ vector c; /* color */
+ float u; /* u */
+ float v; /* v */
+} aliaspoint_t;
+
+typedef struct {
+ aliaspoint_t pt[3];
+} tf_triangle;
+
+
+static void ByteSwapTri (tf_triangle *tri)
+{
+ int i;
+
+ for (i=0 ; i<sizeof(tf_triangle)/4 ; i++)
+ {
+ ((int *)tri)[i] = BigLong (((int *)tri)[i]);
+ }
+}
+
+static void ReadPolysetGeometry( triangle_t *tripool, FILE *input, int count, triangle_t *ptri )
+{
+ tf_triangle tri;
+ int i;
+
+ for (i = 0; i < count; ++i) {
+ int j;
+
+ fread( &tri, sizeof(tf_triangle), 1, input );
+ ByteSwapTri (&tri);
+ for (j=0 ; j<3 ; j++)
+ {
+ int k;
+
+ for (k=0 ; k<3 ; k++)
+ {
+ ptri->verts[j][k] = tri.pt[j].p.v[k];
+ ptri->normals[j][k] = tri.pt[j].n.v[k];
+// ptri->colors[j][k] = tri.pt[j].c.v[k];
+ }
+
+ ptri->texcoords[j][0] = tri.pt[j].u;
+ ptri->texcoords[j][1] = tri.pt[j].v;
+ }
+
+ ptri++;
+ if ((ptri - tripool ) >= POLYSET_MAXTRIANGLES)
+ Error ("Error: too many triangles; increase POLYSET_MAXTRIANGLES\n");
+ }
+}
+
+void TRI_LoadPolysets( const char *filename, polyset_t **ppPSET, int *numpsets )
+{
+ FILE *input;
+ float start;
+ char name[256], tex[256];
+ int i, count, magic, pset = 0;
+ triangle_t *ptri;
+ polyset_t *pPSET;
+ int iLevel;
+ int exitpattern;
+ float t;
+
+ t = -FLOAT_START;
+ *((unsigned char *)&exitpattern + 0) = *((unsigned char *)&t + 3);
+ *((unsigned char *)&exitpattern + 1) = *((unsigned char *)&t + 2);
+ *((unsigned char *)&exitpattern + 2) = *((unsigned char *)&t + 1);
+ *((unsigned char *)&exitpattern + 3) = *((unsigned char *)&t + 0);
+
+ if ((input = fopen(filename, "rb")) == 0)
+ Error ("reader: could not open file '%s'", filename);
+
+ iLevel = 0;
+
+ fread(&magic, sizeof(int), 1, input);
+ if (BigLong(magic) != MAGIC)
+ Error ("%s is not a Alias object separated triangle file, magic number is wrong.", filename);
+
+ pPSET = calloc( 1, POLYSET_MAXPOLYSETS * sizeof( polyset_t ) );
+ ptri = calloc( 1, POLYSET_MAXTRIANGLES * sizeof( triangle_t ) );
+
+ *ppPSET = pPSET;
+
+ while (feof(input) == 0) {
+ if (fread(&start, sizeof(float), 1, input) < 1)
+ break;
+ *(int *)&start = BigLong(*(int *)&start);
+ if (*(int *)&start != exitpattern)
+ {
+ if (start == FLOAT_START) {
+ /* Start of an object or group of objects. */
+ i = -1;
+ do {
+ /* There are probably better ways to read a string from */
+ /* a file, but this does allow you to do error checking */
+ /* (which I'm not doing) on a per character basis. */
+ ++i;
+ fread( &(name[i]), sizeof( char ), 1, input);
+ } while( name[i] != '\0' );
+
+ if ( i != 0 )
+ strncpy( pPSET[pset].name, name, sizeof( pPSET[pset].name ) - 1 );
+ else
+ strcpy( pPSET[pset].name , "(unnamed)" );
+ strlwr( pPSET[pset].name );
+
+// indent();
+// fprintf(stdout,"OBJECT START: %s\n",name);
+ fread( &count, sizeof(int), 1, input);
+ count = BigLong(count);
+ ++iLevel;
+ if (count != 0) {
+// indent();
+// fprintf(stdout,"NUMBER OF TRIANGLES: %d\n",count);
+
+ i = -1;
+ do {
+ ++i;
+ fread( &(tex[i]), sizeof( char ), 1, input);
+ } while( tex[i] != '\0' );
+
+/*
+ if ( i != 0 )
+ strncpy( pPSET[pset].texname, tex, sizeof( pPSET[pset].texname ) - 1 );
+ else
+ strcpy( pPSET[pset].texname, "(unnamed)" );
+ strlwr( pPSET[pset].texname );
+*/
+
+// indent();
+// fprintf(stdout," Object texture name: '%s'\n",tex);
+ }
+
+ /* Else (count == 0) this is the start of a group, and */
+ /* no texture name is present. */
+ }
+ else if (start == FLOAT_END) {
+ /* End of an object or group. Yes, the name should be */
+ /* obvious from context, but it is in here just to be */
+ /* safe and to provide a little extra information for */
+ /* those who do not wish to write a recursive reader. */
+ /* Mea culpa. */
+ --iLevel;
+ i = -1;
+ do {
+ ++i;
+ fread( &(name[i]), sizeof( char ), 1, input);
+ } while( name[i] != '\0' );
+
+ if ( i != 0 )
+ strncpy( pPSET[pset].name, name, sizeof( pPSET[pset].name ) - 1 );
+ else
+ strcpy( pPSET[pset].name , "(unnamed)" );
+
+ strlwr( pPSET[pset].name );
+
+// indent();
+// fprintf(stdout,"OBJECT END: %s\n",name);
+ continue;
+ }
+ }
+
+//
+// read the triangles
+//
+ if ( count > 0 )
+ {
+ pPSET[pset].triangles = ptri;
+ ReadPolysetGeometry( pPSET[0].triangles, input, count, ptri );
+ ptri += count;
+ pPSET[pset].numtriangles = count;
+ if ( ++pset >= POLYSET_MAXPOLYSETS )
+ {
+ Error ("Error: too many polysets; increase POLYSET_MAXPOLYSETS\n");
+ }
+ }
+ }
+
+ *numpsets = pset;
+
+ fclose (input);
+}
+
projects / xonotic / netradiant.git / blobdiff