From: Robin Krens <robin@robinkrens.nl>
Date: Wed, 15 Jun 2022 13:52:54 +0000 (+0200)
Subject: tools: bmp2tiles write seperate .gfx and .pal files
X-Git-Url: https://robinkrens.nl/gitweb/?a=commitdiff_plain;h=e91d694f4595e71e1e4b1aff7d98bb8eed3bdf52;p=swan-dev
tools: bmp2tiles write seperate .gfx and .pal files
---
diff --git a/tools/bmp2tiles/bmp2tiles.c b/tools/bmp2tiles/bmp2tiles.c
index 380481e..7da5a38 100644
--- a/tools/bmp2tiles/bmp2tiles.c
+++ b/tools/bmp2tiles/bmp2tiles.c
@@ -2,7 +2,7 @@
* File : bmp2tiles.c
* Author : Robin Krens <robin@robinkrens.nl>
* Date : 04.06.2022
- * Last Modified Date: 12.06.2022
+ * Last Modified Date: 15.06.2022
* Last Modified By : Robin Krens <robin@robinkrens.nl>
*/
@@ -12,6 +12,7 @@
#include <stdbool.h>
#include <string.h>
#include <unistd.h>
+#include <assert.h>
#include <getopt.h>
#include <SDL2/SDL_image.h>
@@ -93,6 +94,27 @@ void generate_4bpp_tile(unsigned char *buf, swan_gfx_t * gfx,
}
}
+FILE * openstream(const char * name, const char * prefix,
+ unsigned tile_nr, bool append)
+{
+ assert(strlen(name) < 200);
+
+ FILE * stream;
+
+ unsigned buf_len = 256;
+ char buf[buf_len];
+ snprintf(buf, buf_len, "%s%d.%s", name, tile_nr, prefix);
+
+ //printf("%s\n", buf);
+ if (!append) {
+ stream = fopen(buf, "w");
+ } else {
+ stream = fopen(buf, "a");
+ }
+
+ return stream;
+}
+
int main(int argc, char *argv[])
{
SDL_Surface * rawbmp;
@@ -102,11 +124,15 @@ int main(int argc, char *argv[])
char * infile;
char outfile[256];
bool bout = false;
+ const short fill = 0xFFFF;
+ bool seperate_gfx = false;
+ bool seperate_pal = false;
- while ((opt = getopt(argc, argv, "po:sv:")) != -1) {
+ while ((opt = getopt(argc, argv, "po:sv")) != -1) {
switch (opt) {
case 'p':
- printf("include palette");
+ seperate_pal = true;
+ printf("generate individual .pal for each tile");
break;
case 'o':
printf("output file %s\n", optarg);
@@ -114,9 +140,11 @@ int main(int argc, char *argv[])
bout = true;
break;
case 's':
- printf("generate gfx per 16x16 tile \n");
+ seperate_gfx = true;
+ printf("generate .gfx for each tile\n");
break;
case 'v':
+ printf("verbose");
break;
default: /* '?' */
fprintf(stderr, "Usage: %s [-s] [-o output] file \n", argv[0]);
@@ -125,7 +153,7 @@ int main(int argc, char *argv[])
}
if (optind >= argc) {
- fprintf(stderr, "Expected infile\n");
+ fprintf(stderr, "Expected input .bmp file!\n");
fprintf(stderr, "Usage: %s [-s] [-o output] [file]\n", argv[0]);
exit(EXIT_FAILURE);
}
@@ -138,58 +166,70 @@ int main(int argc, char *argv[])
exit(EXIT_FAILURE);
}
- swan_gfx_t * gfx = malloc(sizeof(swan_gfx_t));
+ swan_gfx_t * gfx = calloc(1, sizeof(swan_gfx_t));
int ret = set_info(gfx, rawbmp);
if (ret != 0)
goto cleanup;
- unsigned char *tile_buf = malloc(sizeof(unsigned char) * TILE_SZ);
-
- if (!bout)
- gfxstream = fopen("out.gfx", "w");
- else {
- printf("opening %s\n", outfile);
- gfxstream = fopen(outfile, "w");
+ unsigned char *tile_buf = calloc(TILE_SZ, sizeof(unsigned char));
+
+ if (!bout) {
+ sprintf(outfile, "out");
}
- if (!gfxstream) {
- fprintf(stderr, "can not open file for writing!\n");
- goto close;
- }
+ fprintf(stdout, "generating %d tile(s) \
+ in %d gfx file(s) \
+ with %d pal file(s)\n",
+ gfx->row_tiles * gfx->col_tiles,
+ seperate_gfx ? gfx->row_tiles * gfx->col_tiles : 1,
+ seperate_pal ? gfx->row_tiles * gfx->col_tiles : 1);
+
+
+ for (int i = 0, cnt = 0; i < gfx->row_tiles; ++i) {
+ for (int j = 0; j < gfx->col_tiles; ++j, ++cnt) {
+
+ if (i == 0 && j == 0) {
+ gfxstream = openstream(outfile, "gfx", 0, false);
+ palstream = openstream(outfile, "pal", 0, false);
+ } else {
+ if (seperate_gfx) {
+ gfxstream = openstream(outfile, "gfx", cnt, false);
+ }
+ if (seperate_pal) {
+ palstream = openstream(outfile, "pal", cnt, false);
+ }
+ }
- for (int i = 0; i < gfx->row_tiles; ++i) {
- for (int j = 0; j < gfx->col_tiles; ++j) {
- //printf("row[%d]col[%d]\n",i,j);
generate_4bpp_tile(tile_buf, gfx, true);
int ret = fwrite(tile_buf, sizeof(unsigned char), TILE_SZ, gfxstream);
if (ret != TILE_SZ) {
fprintf(stderr, "failed to convert, only write %d instead of %d\n", ret, TILE_SZ);
+ fclose(gfxstream);
goto cleanup;
}
+
+ fwrite(gfx->outpal, sizeof(unsigned short), 8, palstream);
+ for (int i = 0; i < 8; ++i)
+ ret += fwrite(&fill, sizeof(unsigned short), 1, palstream);
+
gfx->data += 8; /* next column */
- //printf("\n");
+
+ if (gfx->row_tiles == (i-1) && gfx->col_tiles == (j-1)) {
+ fclose(gfxstream);
+ fclose(palstream);
+ } else {
+ if (seperate_gfx)
+ fclose(gfxstream);
+ if (seperate_pal)
+ fclose(palstream);
+ }
}
gfx->data += (gfx->col_tiles * 64) - (8 * gfx->col_tiles);
}
- palstream = fopen("out.pal", "w");
- if (!palstream) {
- fprintf(stderr, "can not open file for writing!\n");
- fclose(palstream);
- goto close;
- }
-
- fwrite(gfx->outpal, sizeof(unsigned short), 8, palstream);
- const short fill = 0xFFFF;
- for (int i = 0; i < 8; ++i)
- fwrite(&fill, sizeof(unsigned short), 1, palstream);
-
- fclose(palstream);
-
-close:
- fclose(gfxstream);
cleanup:
free(gfx);
+ free(tile_buf);
SDL_FreeSurface(rawbmp);
}