Initial commit

1 files changed, 84 insertions, 0 deletions

diff --git a/src/draw/animation.odin b/src/draw/animation.odin
new file mode 100644
index 0000000..ac947fb
--- /dev/null
+++ b/src/draw/animation.odin
@@ -0,0 +1,84 @@
+package draw
+
+import "core:encoding/json"
+import "core:fmt"
+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 {
+    fmt.println("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})
+
+  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]]
+}