348 lines
8.4 KiB
C
348 lines
8.4 KiB
C
/*
|
|
This file is part of Warzone 2100.
|
|
Copyright (C) 2007-2009 Warzone Resurrection Project
|
|
|
|
Warzone 2100 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.
|
|
|
|
Warzone 2100 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 Warzone 2100; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <assert.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
|
|
#ifndef WIN32
|
|
#include <stdbool.h>
|
|
#include <limits.h>
|
|
#else
|
|
typedef int bool;
|
|
#define PATH_MAX 255
|
|
#define true 1
|
|
#define false 0
|
|
#endif
|
|
|
|
// To compile: gcc -o ~/bin/simplipie simplipie.c -Wall -g -O0 -Wshadow
|
|
|
|
#define iV_IMD_TEX 0x00000200
|
|
#define iV_IMD_XNOCUL 0x00002000
|
|
#define iV_IMD_TEXANIM 0x00004000
|
|
#define MAX_POLYGON_SIZE 16
|
|
|
|
static char *input = "";
|
|
static bool verbose = false;
|
|
|
|
typedef struct {
|
|
int index[MAX_POLYGON_SIZE];
|
|
int texCoord[MAX_POLYGON_SIZE][2];
|
|
int vertices;
|
|
int frames, rate, width, height; // animation data
|
|
bool cull;
|
|
} WZ_FACE;
|
|
|
|
typedef struct {
|
|
int x, y, z;
|
|
} WZ_POSITION;
|
|
|
|
static void parse_args(int argc, char **argv)
|
|
{
|
|
unsigned int i = 1;
|
|
|
|
for (i = 1; argc >= 2 + i && argv[i][0] == '-'; i++)
|
|
{
|
|
if (argv[i][1] == 'v')
|
|
{
|
|
verbose = true;
|
|
}
|
|
}
|
|
if (argc < 1 + i)
|
|
{
|
|
fprintf(stderr, "Syntax: simplipie [-v] input_filename\n");
|
|
fprintf(stderr, " -v Verbose mode.\n");
|
|
exit(1);
|
|
}
|
|
input = argv[i++];
|
|
}
|
|
|
|
static void dump_to_pie(FILE *ctl, FILE *fp)
|
|
{
|
|
int num, x, y, z, levels, level;
|
|
char s[200];
|
|
|
|
num = fscanf(fp, "PIE %d\n", &x);
|
|
if (num != 1)
|
|
{
|
|
fprintf(stderr, "Bad PIE file %s\n", input);
|
|
exit(1);
|
|
}
|
|
fprintf(ctl, "PIE 3\n");
|
|
|
|
num = fscanf(fp, "TYPE %d\n", &x); // ignore
|
|
if (num != 1)
|
|
{
|
|
fprintf(stderr, "Bad TYPE directive in %s\n", input);
|
|
exit(1);
|
|
}
|
|
fprintf(ctl, "TYPE 0\n");
|
|
|
|
num = fscanf(fp, "TEXTURE %d %s %d %d\n", &z, s, &x, &y);
|
|
if (num != 4)
|
|
{
|
|
fprintf(stderr, "Bad TEXTURE directive in %s\n", input);
|
|
exit(1);
|
|
}
|
|
fprintf(ctl, "TEXTURE 0 %s 0 0\n", s);
|
|
|
|
num = fscanf(fp, "LEVELS %d\n", &levels);
|
|
if (num != 1)
|
|
{
|
|
fprintf(stderr, "Bad LEVELS directive in %s\n", input);
|
|
exit(1);
|
|
}
|
|
fprintf(ctl, "LEVELS %d", levels);
|
|
|
|
for (level = 0; level < levels; level++)
|
|
{
|
|
int j, points, faces, facesPIE3, textureArrays = 1;
|
|
WZ_FACE *faceList;
|
|
WZ_POSITION *posList;
|
|
|
|
num = fscanf(fp, "\nLEVEL %d\n", &x);
|
|
if (num != 1)
|
|
{
|
|
fprintf(stderr, "Bad LEVEL directive in %s.\n", input);
|
|
exit(1);
|
|
}
|
|
if (level + 1 != x)
|
|
{
|
|
fprintf(stderr, "LEVEL directive in %s was %d should be %d.\n", input, x, level + 1);
|
|
exit(1);
|
|
}
|
|
fprintf(ctl, "\nLEVEL %d\n", x);
|
|
|
|
num = fscanf(fp, "POINTS %d\n", &points);
|
|
if (num != 1)
|
|
{
|
|
fprintf(stderr, "Bad POINTS directive in %s, level %d.\n", input, level);
|
|
exit(1);
|
|
}
|
|
// TODO check for duplicate points and replace them below, but skip in list here
|
|
fprintf(ctl, "POINTS %d", points);
|
|
|
|
posList = malloc(sizeof(WZ_POSITION) * points);
|
|
for (j = 0; j < points; j++)
|
|
{
|
|
num = fscanf(fp, "%d %d %d\n", &posList[j].x, &posList[j].y, &posList[j].z);
|
|
if (num != 3)
|
|
{
|
|
fprintf(stderr, "Bad POINTS entry level %d, number %d\n", level, j);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
num = fscanf(fp, "POLYGONS %d", &faces);
|
|
if (num != 1)
|
|
{
|
|
fprintf(stderr, "Bad POLYGONS directive in %s, level %d.\n", input, level);
|
|
exit(1);
|
|
}
|
|
|
|
facesPIE3 = faces; // for starters
|
|
faceList = malloc(sizeof(WZ_FACE) * faces);
|
|
for (j = 0; j < faces; ++j)
|
|
{
|
|
int k;
|
|
unsigned int flags;
|
|
|
|
num = fscanf(fp, "\n%x", &flags);
|
|
if (num != 1)
|
|
{
|
|
fprintf(stderr, "Bad POLYGONS texture flag entry level %d, number %d\n", level, j);
|
|
exit(1);
|
|
}
|
|
if (!(flags & iV_IMD_TEX))
|
|
{
|
|
fprintf(stderr, "Bad texture flag entry level %d, number %d - no texture flag!\n", level, j);
|
|
exit(1);
|
|
}
|
|
|
|
if (flags & iV_IMD_XNOCUL)
|
|
{
|
|
faceList[j].cull = true;
|
|
facesPIE3++; // must add additional face that is faced in the opposite direction
|
|
}
|
|
else
|
|
{
|
|
faceList[j].cull = false;
|
|
}
|
|
|
|
num = fscanf(fp, "%d", &faceList[j].vertices);
|
|
if (num != 1)
|
|
{
|
|
fprintf(stderr, "Bad POLYGONS vertices entry level %d, number %d\n", level, j);
|
|
exit(1);
|
|
}
|
|
assert(faceList[j].vertices <= MAX_POLYGON_SIZE); // larger polygons not supported
|
|
assert(faceList[j].vertices >= 3); // points and lines not supported
|
|
|
|
// Read in vertex indices and texture coordinates
|
|
for (k = 0; k < faceList[j].vertices; k++)
|
|
{
|
|
num = fscanf(fp, "%d", &faceList[j].index[k]);
|
|
if (num != 1)
|
|
{
|
|
fprintf(stderr, "Bad vertex position entry level %d, number %d\n", level, j);
|
|
exit(1);
|
|
}
|
|
}
|
|
if (flags & iV_IMD_TEXANIM)
|
|
{
|
|
num = fscanf(fp, "%d %d %d %d", &faceList[j].frames, &faceList[j].rate, &faceList[j].width, &faceList[j].height);
|
|
if (num != 4)
|
|
{
|
|
fprintf(stderr, "Bad texture animation entry level %d, number %d.\n", level, j);
|
|
exit(1);
|
|
}
|
|
if (faceList[j].frames <= 1)
|
|
{
|
|
fprintf(stderr, "File %slevel %d, polygon %d has a single animation frame. That makes no sense.\n", input, level, j);
|
|
}
|
|
if (textureArrays < faceList[j].frames)
|
|
{
|
|
textureArrays = faceList[j].frames;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
faceList[j].frames = 0;
|
|
faceList[j].rate = 0;
|
|
faceList[j].width = 1; // to avoid division by zero
|
|
faceList[j].height = 1;
|
|
}
|
|
for (k = 0; k < faceList[j].vertices; k++)
|
|
{
|
|
num = fscanf(fp, "%d %d", &faceList[j].texCoord[k][0], &faceList[j].texCoord[k][1]);
|
|
if (num != 2)
|
|
{
|
|
fprintf(stderr, "Bad texture coordinate entry level %d, number %d\n", level, j);
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (j = 0; j < points; j++)
|
|
{
|
|
fprintf(ctl, " \n\t%d %d %d", posList[j].x, posList[j].y, posList[j].z);
|
|
}
|
|
|
|
fprintf(ctl, "\nPOLYGONS %d", facesPIE3);
|
|
for (j = 0; j < faces; j++)
|
|
{
|
|
int k, flags = iV_IMD_TEX;
|
|
char fill[128];
|
|
|
|
fill[0] = '\0';
|
|
if (faceList[j].frames > 0)
|
|
{
|
|
flags |= iV_IMD_TEXANIM;
|
|
sprintf(fill, " %d 1 %d %d", faceList[j].frames, faceList[j].width, faceList[j].height);
|
|
}
|
|
|
|
if (faceList[j].cull)
|
|
{
|
|
fprintf(ctl, "\n\t%x %d", flags, faceList[j].vertices);
|
|
for (k = faceList[j].vertices - 1; k >= 0; k--)
|
|
fprintf(ctl, " %d", faceList[j].index[k]);
|
|
fprintf(ctl, "%s", fill);
|
|
for (k = faceList[j].vertices - 1; k >= 0; k--)
|
|
fprintf(ctl, " %d %d", faceList[j].texCoord[k][0], faceList[j].texCoord[k][1]);
|
|
}
|
|
fprintf(ctl, "\n\t%x %d", flags, faceList[j].vertices);
|
|
for (k = 0; k < faceList[j].vertices; k++)
|
|
fprintf(ctl, " %d", faceList[j].index[k]);
|
|
fprintf(ctl, "%s", fill);
|
|
for (k = 0; k < faceList[j].vertices; k++)
|
|
fprintf(ctl, " %d %d", faceList[j].texCoord[k][0], faceList[j].texCoord[k][1]);
|
|
}
|
|
|
|
num = fscanf(fp, "\nCONNECTORS %d", &x);
|
|
if (num == 1)
|
|
{
|
|
if (x < 0)
|
|
{
|
|
fprintf(stderr, "Bad CONNNECTORS directive in %s, level %d\n", input, level);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
fprintf(ctl, "\nCONNECTORS %d", x);
|
|
for (j = 0; j < x; ++j)
|
|
{
|
|
int a, b, c;
|
|
|
|
num = fscanf(fp, "\n%d %d %d", &a, &b, &c);
|
|
if (num != 3)
|
|
{
|
|
fprintf(stderr, "Bad CONNECTORS directive entry level %d, number %d\n", level, j);
|
|
exit(1);
|
|
}
|
|
fprintf(ctl, "\n\t%d %d %d", a, b, c);
|
|
}
|
|
fprintf(ctl, "\n");
|
|
}
|
|
|
|
free(faceList);
|
|
free(posList);
|
|
}
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
FILE *p, *f;
|
|
char buffer[1024];
|
|
size_t rsize;
|
|
|
|
parse_args(argc, argv);
|
|
|
|
p = fopen(input, "r");
|
|
if (!p)
|
|
{
|
|
fprintf(stderr, "Cannot open \"%s\" for reading: %s\n", input, strerror(errno));
|
|
exit(1);
|
|
}
|
|
f = tmpfile();
|
|
if (!f)
|
|
{
|
|
fprintf(stderr, "Cannot open temporary file for writing: %s\n", strerror(errno));
|
|
exit(1);
|
|
}
|
|
dump_to_pie(f, p);
|
|
fclose(p);
|
|
|
|
// Now copy temporary file to original
|
|
rewind(f);
|
|
p = fopen(input, "w");
|
|
while (!feof(f) && !ferror(p) && !ferror(f))
|
|
{
|
|
rsize = fread(buffer, 1, sizeof(buffer), f);
|
|
fwrite(buffer, rsize, 1, p);
|
|
}
|
|
if (ferror(f)) fprintf(stderr, "Error reading: %s\n", strerror(ferror(f)));
|
|
if (ferror(p)) fprintf(stderr, "Error writing: %s\n", strerror(ferror(p)));
|
|
|
|
fclose(p);
|
|
fclose(f); // also deletes temporary file
|
|
|
|
return 0;
|
|
}
|