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Fix pokemon_animation_graphics

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This commit is contained in:
yenatch 2017-05-28 01:11:32 -04:00
parent b78ba89f5f
commit 27ba16d827
1 changed files with 47 additions and 22 deletions
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69
tools/pokemon_animation_graphics.c
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@ -48,15 +48,25 @@ int get_tile_index(uint8_t* tile, uint8_t* tiles, int num_tiles) {
return -1;
}
FILE *fopen_verbose(char *filename, char *mode) {
FILE *f = fopen(filename, mode);
if (!f) {
fprintf(stderr, "Could not open file: \"%s\"\n", filename);
}
return f;
}
void create_tilemap(struct Tilemap* tilemap, struct Graphic* graphic, char* graphics_filename, int width, int height) {
long graphics_size;
uint8_t* graphics;
FILE* f;
int tile;
int num_tiles;
int i;
int tile;
f = fopen(graphics_filename, "rb");
f = fopen_verbose(graphics_filename, "rb");
if (!f) {
exit(1);
}
fseek(f, 0, SEEK_END);
graphics_size = ftell(f);
rewind(f);
@ -64,20 +74,27 @@ void create_tilemap(struct Tilemap* tilemap, struct Graphic* graphic, char* grap
fread(graphics, 1, graphics_size, f);
fclose(f);
int num_tiles_per_frame = width * height;
int tile_size = 16;
int num_frames = graphics_size / (tile_size * num_tiles_per_frame);
int frame_size = num_tiles_per_frame * tile_size;
// transpose each frame
for (i = 0; i < graphics_size / (width * height); i++) {
transpose_tiles(graphics + i * (width * height) * 16, width, width * height * 16, 16);
for (i = 0; i < num_frames; i++) {
transpose_tiles(graphics + i * frame_size, width, frame_size, tile_size);
}
// first frame is naively populated with redundant tiles
num_tiles = width * height;
tilemap->data = malloc(graphics_size / 16);
// first frame is naively populated with redundant tiles,
// so fill it unconditionally and start from the second frame
int num_tiles = width * height;
int tilemap_size = graphics_size / tile_size;
tilemap->data = malloc(tilemap_size);
for (i = 0; i < num_tiles; i++) {
tilemap->data[tilemap->size] = i;
tilemap->size++;
}
for (i = width * height; i < graphics_size / 16; i++) {
tile = get_tile_index(graphics + i * 16, graphics, i);
for (i = num_tiles; i < tilemap_size; i++) {
tile = get_tile_index(graphics + i * tile_size, graphics, i);
if (tile == -1) {
tilemap->data[tilemap->size] = num_tiles;
tilemap->size++;
@ -103,7 +120,7 @@ void create_tilemap(struct Tilemap* tilemap, struct Graphic* graphic, char* grap
}
int main(int argc, char* argv[]) {
int ch;
int opt;
char* dimensions_filename;
char* graphics_filename;
char* outfile;
@ -116,8 +133,8 @@ int main(int argc, char* argv[]) {
struct Graphic graphic = {0};
struct Tilemap tilemap = {0};
while ((ch = getopt(argc, argv, "o:t:")) != -1) {
switch (ch) {
while ((opt = getopt(argc, argv, "o:t:")) != -1) {
switch (opt) {
case 'o':
outfile = optarg;
break;
@ -126,6 +143,7 @@ int main(int argc, char* argv[]) {
break;
default:
usage();
break;
}
}
argc -= optind;
@ -138,7 +156,10 @@ int main(int argc, char* argv[]) {
graphics_filename = argv[0];
dimensions_filename = argv[1];
f = fopen(dimensions_filename, "rb");
f = fopen_verbose(dimensions_filename, "rb");
if (!f) {
exit(1);
}
fread(bytes, 1, 1, f);
fclose(f);
width = bytes[0] & 0xf;
@ -146,16 +167,20 @@ int main(int argc, char* argv[]) {
create_tilemap(&tilemap, &graphic, graphics_filename, width, height);
if (outfile != NULL) {
f = fopen(outfile, "wb");
fwrite(graphic.data, 1, graphic.size, f);
fclose(f);
if (outfile) {
f = fopen_verbose(outfile, "wb");
if (f) {
fwrite(graphic.data, 1, graphic.size, f);
fclose(f);
}
}
if (mapfile != NULL) {
f = fopen(mapfile, "wb");
fwrite(tilemap.data, 1, tilemap.size, f);
fclose(f);
if (mapfile) {
f = fopen_verbose(mapfile, "wb");
if (f) {
fwrite(tilemap.data, 1, tilemap.size, f);
fclose(f);
}
}
free(graphic.data);