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package draw
import "core:log"
import "core:encoding/json"
import "core:os"
import "core:path/filepath"
import "core:strings"
FrameRect :: struct {
x: i32 `json:"x"`,
y: i32 `json:"y"`,
w: i32 `json:"w"`,
h: i32 `json:"h"`,
}
Frame :: struct {
rect: FrameRect `json:"frame"`,
duration: i32 `json:"duration"`,
}
Tag :: struct {
name: string `json:"name"`,
from: i32 `json:"from"`,
to: i32 `json:"to"`,
direction: string `json:"direction"`,
}
AnimationMeta :: struct {
image_path: string `json:"image"`,
frame_tags: []Tag `json:"frameTags"`,
frame_tags_indices: map[string]u32,
}
Animation :: struct {
frames: []Frame `json:"frames"`,
using meta: AnimationMeta `json:"meta"`,
}
@(require_results)
init_anim_data :: proc(anim: ^Animation, path: string) -> bool {
data, ok := os.read_entire_file(path)
if !ok {
return false
}
defer delete(data)
json_err := json.unmarshal(data, anim)
if json_err != nil {
log.error("could not unmarshal data")
return false
}
for tag, i in anim.frame_tags {
anim.frame_tags_indices[tag.name] = u32(i)
}
partial_img_path := anim.image_path
defer delete(partial_img_path)
anim_dir := filepath.dir(path)
defer delete(anim_dir)
anim.image_path = strings.concatenate({anim_dir, "/", partial_img_path})
log.debugf("loaded animation '%v'", path)
return true
}
delete_anim_data :: proc(anim: Animation) {
delete(anim.frames)
for tag in anim.frame_tags {
delete(tag.name)
delete(tag.direction)
}
// sg.destroy_image(anim.image)
delete(anim.frame_tags)
delete(anim.frame_tags_indices)
delete(anim.image_path)
}
get_anim_tag :: proc(anim: Animation, tag_name: string) -> Tag {
return anim.frame_tags[anim.frame_tags_indices[tag_name]]
}
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