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#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "animation.h"
void init_animation(struct animation* animation,
struct animation_init* init) {
int initial_frame_count = init->initial_frame_count;
if (initial_frame_count <= 0) {
fprintf(stderr, "All animations need to have at least 1 frame!\n");
exit(1);
}
animation->num_frames = initial_frame_count;
int size = initial_frame_count * sizeof(float);
animation->frame_times = malloc(size);
memcpy(animation->frame_times, init->initial_frame_times, size);
size = initial_frame_count * sizeof(SDL_Rect);
animation->frames = malloc(size);
memcpy(animation->frames, init->initial_frame_times, size);
}
void update_animation(struct animation* animation, float dt) {
int frame_index = animation->current_frame;
float current_frame_time = animation->frame_times[frame_index];
animation->current_time += dt;
if(animation->current_time >= current_frame_time) {
animation->current_time = 0;
animation->current_frame =
(frame_index + 1) % animation->num_frames;
}
}
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