-
Notifications
You must be signed in to change notification settings - Fork 806
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Sort Pokemon and trainer sprite palettes, with Makefile-specified exc…
…eptions This avoids the need to define their order via indexed PNG palettes It also avoids the need to use tools/palfix.py on custom sprites Fixes #1136
- Loading branch information
Showing
9 changed files
with
441 additions
and
2,695 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Large diffs are not rendered by default.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| gbcpal | ||
| gfx | ||
| lzcomp | ||
| make_patch | ||
|
|
||
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Binary file not shown.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| #define PROGRAM_NAME "gbcpal" | ||
| #define USAGE_OPTS "[-h|--help] [-r|--reverse] out.gbcpal in.gbcpal..." | ||
|
|
||
| #include "common.h" | ||
|
|
||
| bool reverse; | ||
|
|
||
| void parse_args(int argc, char *argv[]) { | ||
| struct option long_options[] = { | ||
| {"reverse", no_argument, 0, 'r'}, | ||
| {"help", no_argument, 0, 'h'}, | ||
| {0} | ||
| }; | ||
| for (int opt; (opt = getopt_long(argc, argv, "rh", long_options)) != -1;) { | ||
| switch (opt) { | ||
| case 'r': | ||
| reverse = true; | ||
| break; | ||
| case 'h': | ||
| usage_exit(0); | ||
| break; | ||
| default: | ||
| usage_exit(1); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| struct Color { | ||
| uint8_t r, g, b; | ||
| }; | ||
|
|
||
| const struct Color BLACK = {0, 0, 0}; | ||
| const struct Color WHITE = {31, 31, 31}; | ||
|
|
||
| uint16_t pack_color(struct Color color) { | ||
| return (color.b << 10) | (color.g << 5) | color.r; | ||
| } | ||
|
|
||
| struct Color unpack_color(uint16_t gbc_color) { | ||
| return (struct Color){ | ||
| .r = gbc_color & 0x1f, | ||
| .g = (gbc_color >> 5) & 0x1f, | ||
| .b = (gbc_color >> 10) & 0x1f, | ||
| }; | ||
| } | ||
|
|
||
| double luminance(struct Color color) { | ||
| return 0.299 * color.r + 0.587 * color.g + 0.114 * color.b; | ||
| } | ||
|
|
||
| int compare_colors(const void *color1, const void *color2) { | ||
| double lum1 = luminance(*(const struct Color *)color1); | ||
| double lum2 = luminance(*(const struct Color *)color2); | ||
| // sort lightest to darkest, or darkest to lightest if reversed | ||
| return reverse ? (lum1 > lum2) - (lum1 < lum2) : (lum1 < lum2) - (lum1 > lum2); | ||
| } | ||
|
|
||
| void read_gbcpal(const char *filename, struct Color **colors, size_t *num_colors) { | ||
| long filesize; | ||
| uint8_t *bytes = read_u8(filename, &filesize); | ||
| if (filesize == 0) { | ||
| error_exit("%s: empty gbcpal file\n", filename); | ||
| } | ||
| if (filesize % 2) { | ||
| error_exit("%s: invalid gbcpal file\n", filename); | ||
| } | ||
|
|
||
| size_t new_colors = filesize / 2; | ||
| *colors = xrealloc(*colors, (sizeof **colors) * (*num_colors + new_colors)); | ||
| for (size_t i = 0; i < new_colors; i++) { | ||
| uint16_t gbc_color = (bytes[i * 2 + 1] << 8) | bytes[i * 2]; | ||
| (*colors)[*num_colors + i] = unpack_color(gbc_color); | ||
| } | ||
| *num_colors += new_colors; | ||
|
|
||
| free(bytes); | ||
| } | ||
|
|
||
| void filter_colors(struct Color **colors, size_t *num_colors) { | ||
| size_t num_filtered = 0; | ||
| struct Color *filtered = xmalloc((sizeof **colors) * *num_colors); | ||
|
|
||
| // filter out black, white, and duplicate colors | ||
| for (size_t i = 0; i < *num_colors; i++) { | ||
| struct Color color = (*colors)[i]; | ||
| if (color.r == BLACK.r && color.g == BLACK.g && color.b == BLACK.b) { | ||
| continue; | ||
| } | ||
| if (color.r == WHITE.r && color.g == WHITE.g && color.b == WHITE.b) { | ||
| continue; | ||
| } | ||
| if (num_filtered > 0) { | ||
| struct Color last = filtered[num_filtered - 1]; | ||
| if (color.r == last.r && color.g == last.g && color.b == last.b) { | ||
| continue; | ||
| } | ||
| } | ||
| filtered[num_filtered++] = color; | ||
| } | ||
|
|
||
| free(*colors); | ||
| *num_colors = num_filtered; | ||
| *colors = filtered; | ||
| } | ||
|
|
||
| int main(int argc, char *argv[]) { | ||
| parse_args(argc, argv); | ||
|
|
||
| argc -= optind; | ||
| argv += optind; | ||
| if (argc < 2) { | ||
| usage_exit(1); | ||
| } | ||
|
|
||
| const char *out_filename = argv[0]; | ||
|
|
||
| struct Color *colors = NULL; | ||
| size_t num_colors = 0; | ||
| for (int i = 1; i < argc; i++) { | ||
| read_gbcpal(argv[i], &colors, &num_colors); | ||
| } | ||
|
|
||
| qsort(colors, num_colors, sizeof(*colors), compare_colors); | ||
| filter_colors(&colors, &num_colors); | ||
|
|
||
| struct Color pal_colors[4] = { | ||
| WHITE, | ||
| num_colors > 0 ? colors[0] : WHITE, | ||
| num_colors > 1 ? colors[1] : num_colors > 0 ? colors[0] : BLACK, | ||
| BLACK, | ||
| }; | ||
| if (num_colors > 2) { | ||
| error_exit("%s: more than 2 colors besides black and white (%zu)\n", out_filename, num_colors); | ||
| } | ||
|
|
||
| uint8_t bytes[COUNTOF(pal_colors) * 2] = {0}; | ||
| for (size_t i = 0; i < COUNTOF(pal_colors); i++) { | ||
| uint16_t packed_color = pack_color(pal_colors[i]); | ||
| bytes[2 * i] = packed_color & 0xff; | ||
| bytes[2 * i + 1] = packed_color >> 8; | ||
| } | ||
| write_u8(out_filename, bytes, COUNTOF(bytes)); | ||
|
|
||
| free(colors); | ||
| return 0; | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file was deleted.
Oops, something went wrong.
Oops, something went wrong.