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#include "utils.h"
#include "text.h"
#include <stddef.h>
#define MAX_TEX_SIZE 16
static Texture2D texture_slots[MAX_TEX_SIZE] = {0};
static i32 texture_modtimes[MAX_TEX_SIZE] = {0};
static s8 texture_paths[MAX_TEX_SIZE] = {0};
void init_tex_sys(void)
{
for(i32 i = 0; i < MAX_TEX_SIZE; ++i){
texture_modtimes[i] = BLANK_DEFAULT;
}
}
i32 load_new_tex(const char* path)
{
s8 path_str = cstr_to_s8(path);
i32 current_idx = BLANK_DEFAULT;
for(i32 i = 0; i < MAX_TEX_SIZE; ++i){
if(equal_s8(path_str, texture_paths[current_idx])){
free_s8(&path_str);
return i;
}
if(texture_slots[i].id <= 0){
current_idx = i;
texture_slots[current_idx] = LoadTexture((const char*)path_str.buf);
texture_modtimes[current_idx] = GetFileModTime((const char*)path_str.buf);
texture_paths[current_idx] = path_str;
break;
}
}
//TODO: Handle slots a bit better.
assert(current_idx != BLANK_DEFAULT);
return current_idx;
}
void draw_texture(i32 idx, i32 x, i32 y)
{
assert(idx >= 0 && idx < MAX_TEX_SIZE);
DrawTexture(texture_slots[idx], x, y, WHITE);
}
void update_textures(void)
{
for(i32 i = 0; i < MAX_TEX_SIZE; ++i){
if(texture_slots[i].id > 0){
i32 current_mod = GetFileModTime((const char*)texture_paths[i].buf);
if(current_mod != texture_modtimes[i]){
texture_modtimes[i] = current_mod;
UnloadTexture(texture_slots[i]);
texture_slots[i] = LoadTexture((const char*)texture_paths[i].buf);
}
}
}
}
void unload_tex(i32 idx)
{
assert(idx >= 0 && idx < MAX_TEX_SIZE);
UnloadTexture(texture_slots[idx]);
texture_modtimes[idx] = BLANK_DEFAULT;
free_s8(&texture_paths[idx]);
}
void unload_active_textures(void)
{
for(i32 i = 0; i < MAX_TEX_SIZE; ++i){
if(texture_slots[i].id > 0)
unload_tex(i);
}
}
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