Rewrite tools/pokemon_animation.c
This commit is contained in:
Rangi
@@ -1,112 +1,104 @@
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <getopt.h>
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#include "common.h"
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struct Options {
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bool use_bitmasks;
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bool use_frames;
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};
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void usage() {
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fputs("Usage: pokemon_animation [-b|--bitmasks] [-f|--frames] front.animated.tilemap front.dimensions\n", stderr);
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}
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void parse_args(int argc, char *argv[], struct Options *options) {
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struct option long_options[] = {
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{"bitmasks", no_argument, 0, 'b'},
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{"frames", no_argument, 0, 'f'},
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{"help", no_argument, 0, 'h'},
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{0}
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};
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for (int opt; (opt = getopt_long(argc, argv, "bfh", long_options)) != -1;) {
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switch (opt) {
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case 'b':
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options->use_bitmasks = true;
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break;
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case 'f':
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options->use_frames = true;
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break;
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case 'h':
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usage();
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exit(0);
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break;
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default:
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usage();
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exit(1);
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}
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}
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}
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struct Frame {
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uint8_t* data;
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uint8_t *data;
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int size;
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int bitmask;
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};
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struct Frames {
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struct Frame* frames;
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struct Frame *frames;
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int num_frames;
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int frame_size;
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};
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struct Bitmask {
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uint8_t* data;
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uint8_t *data;
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int bitlength;
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};
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struct Bitmasks {
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struct Bitmask* bitmasks;
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struct Bitmask *bitmasks;
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int num_bitmasks;
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};
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void make_frames(struct Frames* frames, struct Bitmasks* bitmasks, char* tilemap_filename, char* dimensions_filename);
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int bitmask_exists(struct Bitmask *bitmask, struct Bitmasks *bitmasks);
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void print_frames(struct Frames* frames);
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void make_frames(struct Frames* frames, struct Bitmasks* bitmasks, char* tilemap_filename, char* dimensions_filename) {
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uint8_t* tilemap;
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uint8_t* this_frame;
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FILE* f;
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size_t size;
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int width;
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int height;
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uint8_t byte;
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int frame_size;
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int num_frames;
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int i, j;
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f = fopen(tilemap_filename, "rb");
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if (f == NULL) {
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fprintf(stderr, "could not open file %s\n", tilemap_filename);
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exit(1);
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int bitmask_exists(const struct Bitmask *bitmask, const struct Bitmasks *bitmasks) {
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for (int i = 0; i < bitmasks->num_bitmasks; i++) {
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struct Bitmask existing = bitmasks->bitmasks[i];
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if (bitmask->bitlength != existing.bitlength) {
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continue;
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}
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bool match = true;
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int length = (bitmask->bitlength + 7) / 8;
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for (int j = 0; j < length; j++) {
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if (bitmask->data[j] != existing.data[j]) {
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match = false;
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break;
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}
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}
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if (match) {
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return i;
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}
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}
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return -1;
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}
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fseek(f, 0, SEEK_END);
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size = ftell(f);
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if (!size) {
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fprintf(stderr, "empty file %s\n", tilemap_filename);
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exit(1);
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}
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rewind(f);
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void make_frames(const uint8_t *tilemap, long tilemap_size, int width, struct Frames *frames, struct Bitmasks *bitmasks) {
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int num_tiles_per_frame = width * width;
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int num_frames = tilemap_size / num_tiles_per_frame - 1;
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tilemap = malloc(size);
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if (!tilemap) {
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fprintf(stderr, "malloc failure\n");
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exit(1);
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}
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if (size != fread(tilemap, 1, size, f)) {
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fprintf(stderr, "failed to read file %s\n", tilemap_filename);
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exit(1);
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}
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fclose(f);
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frames->frames = malloc_verbose((sizeof *frames->frames) * num_frames);
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frames->num_frames = num_frames;
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f = fopen(dimensions_filename, "rb");
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if (f == NULL) {
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fprintf(stderr, "could not open file %s\n", dimensions_filename);
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exit(1);
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}
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if (1 != fread(&byte, 1, 1, f)) {
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fprintf(stderr, "failed to read file %s\n", dimensions_filename);
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exit(1);
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}
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fclose(f);
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width = byte & 0xf;
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height = byte >> 4;
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frame_size = width * height;
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num_frames = size / frame_size - 1;
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//fprintf(stderr, "num_frames: %d\n", num_frames);
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bitmasks->bitmasks = malloc((sizeof (struct Bitmask)) * num_frames);
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bitmasks->bitmasks = malloc_verbose((sizeof *bitmasks->bitmasks) * num_frames);
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bitmasks->num_bitmasks = 0;
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frames->frames = malloc((sizeof (struct Frame)) * num_frames);
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frames->frame_size = frame_size;
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frames->num_frames = 0;
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uint8_t *first_frame = tilemap;
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this_frame = tilemap + frame_size;
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for (i = 0; i < num_frames; i++) {
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struct Frame *frame = (struct Frame*)malloc(sizeof(struct Frame));
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frame->data = malloc(frame_size);
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const uint8_t *first_frame = &tilemap[0];
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const uint8_t *this_frame = &tilemap[num_tiles_per_frame];
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for (int i = 0; i < num_frames; i++) {
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struct Frame *frame = malloc_verbose(sizeof *frame);
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frame->data = malloc_verbose(num_tiles_per_frame);
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frame->size = 0;
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struct Bitmask *bitmask = (struct Bitmask*)malloc(sizeof(struct Bitmask));
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bitmask->data = calloc((frame_size + 7) / 8, 1);
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struct Bitmask *bitmask = malloc_verbose(sizeof *bitmask);
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bitmask->data = calloc_verbose((num_tiles_per_frame + 7) / 8);
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bitmask->bitlength = 0;
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for (j = 0; j < frame_size; j++) {
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for (int j = 0; j < num_tiles_per_frame; j++) {
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if (bitmask->bitlength % 8 == 0) {
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bitmask->data[bitmask->bitlength / 8] = 0;
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}
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@@ -133,151 +125,76 @@ void make_frames(struct Frames* frames, struct Bitmasks* bitmasks, char* tilemap
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free(bitmask);
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}
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frames->frames[i] = *frame;
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frames->num_frames++;
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this_frame += frame_size;
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this_frame += num_tiles_per_frame;
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}
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//for (i = 0; i < frames->num_frames; i++) {
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//free(frames->frames[i].data);
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//free(frames->frames[i]);
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//}
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//free(frames->frames);
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//fprintf(stderr, "num bitmasks: %d\n", bitmasks->num_bitmasks);
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//for (i = 0; i < bitmasks->num_bitmasks; i++) {
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// free(bitmasks->bitmasks[i].data);
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// fprintf(stderr, "freed bitmask %d\n", i);
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//free(bitmasks->bitmasks[i]);
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//}
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//free(bitmasks->bitmasks);
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//fprintf(stderr, "freed bitmasks\n");
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free(tilemap);
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}
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int bitmask_exists(struct Bitmask *bitmask, struct Bitmasks *bitmasks) {
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int i, j;
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struct Bitmask existing;
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for (i = 0; i < bitmasks->num_bitmasks; i++) {
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existing = bitmasks->bitmasks[i];
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if (bitmask->bitlength != existing.bitlength) {
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continue;
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}
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bool match = true;
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for (j = 0; j < (bitmask->bitlength + 7) / 8; j++) {
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if (bitmask->data[j] != existing.data[j]) {
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match = false;
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break;
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}
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}
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if (match) {
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return i;
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}
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}
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return -1;
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}
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void print_frames(struct Frames* frames) {
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int i;
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int j;
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for (i = 0; i < frames->num_frames; i++) {
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void print_frames(struct Frames *frames) {
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for (int i = 0; i < frames->num_frames; i++) {
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printf("\tdw .frame%d\n", i + 1);
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}
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for (i = 0; i < frames->num_frames; i++) {
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struct Frame *frame = &frames->frames[i];
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for (int i = 0; i < frames->num_frames; i++) {
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const struct Frame *frame = &frames->frames[i];
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printf(".frame%d\n", i + 1);
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printf("\tdb $%02x ; bitmask\n", frame->bitmask);
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if (frame->size > 0) {
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for (j = 0; j < frame->size; j++) {
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for (int j = 0; j < frame->size; j++) {
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if (j % 12 == 0) {
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if (j) {
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printf("\n");
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putchar('\n');
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}
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printf("\tdb $%02x", frame->data[j]);
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} else {
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printf(", $%02x", frame->data[j]);
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}
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}
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printf("\n");
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putchar('\n');
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}
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}
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}
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void print_bitmasks(struct Bitmasks* bitmasks) {
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int i, j, k;
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int length;
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struct Bitmask bitmask;
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for (i = 0; i < bitmasks->num_bitmasks; i++) {
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void print_bitmasks(const struct Bitmasks *bitmasks) {
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for (int i = 0; i < bitmasks->num_bitmasks; i++) {
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struct Bitmask bitmask = bitmasks->bitmasks[i];
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printf("; %d\n", i);
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bitmask = bitmasks->bitmasks[i];
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length = (bitmask.bitlength + 7) / 8;
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for (j = 0; j < length; j++) {
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int length = (bitmask.bitlength + 7) / 8;
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for (int j = 0; j < length; j++) {
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printf("\tdb %%");
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for (k = 0; k < 8; k++) {
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if ((bitmask.data[j] >> (7 - k)) & 1) {
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printf("1");
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} else {
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printf("0");
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};
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for (int k = 0; k < 8; k++) {
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putchar(((bitmask.data[j] >> (7 - k)) & 1) ? '1' : '0');
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}
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printf("\n");
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putchar('\n');
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}
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}
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}
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// HOW ARE YOU GENTLEMEN.
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char* cats (char* head, char* tail) {
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char* string;
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string = malloc(strlen(head) + strlen(tail) + 1);
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strcpy(string, head);
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strcat(string, tail);
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return string;
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}
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int main(int argc, char *argv[]) {
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struct Options options = {0};
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parse_args(argc, argv, &options);
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static void usage(void) {
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printf("Usage: pokemon_animation [-b] [-f] tilemap_file dimensions_file\n");
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exit(1);
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}
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int main(int argc, char* argv[]) {
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struct Frames frames = {0};
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struct Bitmasks bitmasks = {0};
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int ch;
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bool use_bitmasks = false, use_frames = false;
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char* tilemap_filename;
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char* dimensions_filename;
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while ((ch = getopt(argc, argv, "bf")) != -1) {
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switch (ch) {
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case 'b':
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use_bitmasks = true;
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break;
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case 'f':
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use_frames = true;
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break;
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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if (argc < 2) {
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usage();
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exit(1);
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}
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tilemap_filename = argv[0];
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dimensions_filename = argv[1];
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//ext = strrchr(argv[3], '.');
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//if (!ext || ext == argv[3]) {
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// fprintf(stderr, "need a file extension to determine what to write to %s\n", argv[3]);
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//}
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int width;
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read_dimensions(argv[1], &width);
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long tilemap_size;
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uint8_t *tilemap = read_u8(argv[0], &tilemap_size);
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make_frames(&frames, &bitmasks, tilemap_filename, dimensions_filename);
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if (use_frames) {
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struct Frames frames = {0};
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struct Bitmasks bitmasks = {0};
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make_frames(tilemap, tilemap_size, width, &frames, &bitmasks);
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if (options.use_frames) {
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print_frames(&frames);
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}
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if (use_bitmasks) {
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if (options.use_bitmasks) {
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print_bitmasks(&bitmasks);
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}
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free(tilemap);
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return 0;
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}
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