From 6bf20c78f5b69d40bcc4931df93d29198435ab67 Mon Sep 17 00:00:00 2001 From: zakk Date: Fri, 26 Aug 2005 17:39:27 +0000 Subject: newlines fixed git-svn-id: svn://svn.icculus.org/quake3/trunk@6 edf5b092-35ff-0310-97b2-ce42778d08ea --- common/trilib.c | 420 ++++++++++++++++++++++++++++---------------------------- 1 file changed, 210 insertions(+), 210 deletions(-) (limited to 'common/trilib.c') diff --git a/common/trilib.c b/common/trilib.c index 34f9e2e..07f5fdb 100755 --- a/common/trilib.c +++ b/common/trilib.c @@ -19,213 +19,213 @@ along with Foobar; 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 -#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 - -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 ; iverts[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); -} - +// +// trilib.c: library for loading triangles from an Alias triangle file +// + +#include +#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 + +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 ; iverts[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); +} + -- cgit v1.2.3