branch rotated + optimization

entities/plants/plant_part_buider.tscn

@@ -11,7 +11,7 @@ region = Rect2(2118, 923, 371, 391)
 [node name="Sprite" type="Sprite2D" unique_id=1642167049 node_paths=PackedStringArray("root", "attaches")]
 texture = SubResource("AtlasTexture_yh7e0")
 script = ExtResource("2_a5yje")
-part_name = "LeafG2"
+part_name = "LeafG3"
 type = 1
 root = NodePath("Root")
 attaches = NodePath("Attaches")

entities/plants/scripts/texture_builder/plant_part.gd

@@ -4,12 +4,14 @@ class_name PlantPart
 enum PartType {BASE_PART, BRANCH_PART, LEAF_PART, FLOWER_PART}
 
 @export var texture: Texture
+@export var image: Image
 @export var type: PartType
 @export var root: PlantAttach
 @export var attaches: Array[PlantAttach] # array of vec2
 
 func init(textute_arg: Texture, type_arg: PartType, root_arg: PlantAttach, attaches_arg: Array[PlantAttach]) -> void:
     texture = textute_arg
+    image = texture.get_image()
     type = type_arg
     root = root_arg
     attaches = attaches_arg

entities/plants/scripts/texture_builder/plant_texture_builder.gd

@@ -1,7 +1,7 @@
 extends Node
 
 const IMAGE_WIDTH := 1024
-const IMAGE_HEIGHT := 2048
+const IMAGE_HEIGHT := 1048
 
 const PLACEHOLDER_SEED_TEXTURE: Texture = preload("res://entities/plants/assets/sprites/default/seed.png")
 const PLACEHOLDER_MATURE_TEXTURE: Texture = preload("res://entities/plants/assets/sprites/default/mature.png")
@@ -16,6 +16,8 @@ const PLACEHOLDER_GROWING_TEXTURE: Texture = preload("res://entities/plants/asse
 @export var parts_mutation_associations: Dictionary[String, PartMutationAssociation]
 
 var rng := RandomNumberGenerator.new()
+var image: Image = Image.create_empty(IMAGE_WIDTH, IMAGE_HEIGHT, false, Image.FORMAT_RGBA8)
+var image_center: Vector2i = Vector2(0.5, 1) * Vector2(image.get_size())
 
 func random_ind(array: Array) -> int:
     return rng.randi_range(0, array.size() - 1)
@@ -37,9 +39,8 @@ func build_seed_texture(_random_seed: int) -> Texture:
 func build_plant_texture(plant_data: PlantData) -> Texture:
     rng.seed = plant_data.random_seed
 
+
     var mature_texture: Texture = PLACEHOLDER_MATURE_TEXTURE
-    var mature_image: Image = Image.create_empty(IMAGE_WIDTH, IMAGE_HEIGHT, false, Image.FORMAT_RGBA8)
-    var mature_image_center: Vector2i = 0.5 * mature_image.get_size()
     var base_part: PlantPart
     var base_image_coord: Vector2i
     var available_attaches: Array[PlantAttach]
@@ -56,10 +57,10 @@ func build_plant_texture(plant_data: PlantData) -> Texture:
             # var base_part: PlantPart = pick_random(parts_archetype_associations[plant_archetype].bases)
             base_part = pick_random(bases)
 
-            var base_image = base_part.texture.get_image()
+            var base_image := base_part.image
             var base_image_center: Vector2i = 0.5 * base_image.get_size()
-            base_image_coord = mature_image_center - Vector2i(base_part.root.position)
+            base_image_coord = image_center - Vector2i(base_part.root.position)
-            mature_image.blend_rect(base_image, Rect2i(Vector2i.ZERO, base_image.get_size()), base_image_coord - base_image_center)
+            image.blend_rect(base_image, Rect2i(Vector2i.ZERO, base_image.get_size()), base_image_coord - base_image_center)
 
             if branches.size() == 0:
                 printerr("No branches in archetype")
@@ -74,7 +75,6 @@ func build_plant_texture(plant_data: PlantData) -> Texture:
                 for p in association.part_amount:
                     parts_to_place.append(pick_random(mutation_possible_parts))
 
-
         PlantData.State.GROWING:
             # print("Build growing texture")
             # var plant_archetype := plant_data.archetype
@@ -84,10 +84,10 @@ func build_plant_texture(plant_data: PlantData) -> Texture:
             # var base_part: PlantPart = pick_random(parts_archetype_associations[plant_archetype].baby_bases)
             base_part = pick_random(baby_bases)
 
-            var base_image = base_part.texture.get_image()
+            var base_image := base_part.image
             var base_image_center: Vector2i = 0.5 * base_image.get_size()
-            base_image_coord = mature_image_center - Vector2i(base_part.root.position)
+            base_image_coord = image_center - Vector2i(base_part.root.position)
-            mature_image.blend_rect(base_image, Rect2i(Vector2i.ZERO, base_image.get_size()), base_image_coord - base_image_center)
+            image.blend_rect(base_image, Rect2i(Vector2i.ZERO, base_image.get_size()), base_image_coord - base_image_center)
 
             for m in plant_data.mutations:
                 # print("mutations: ", m.id)
@@ -114,16 +114,17 @@ func build_plant_texture(plant_data: PlantData) -> Texture:
 
         var parent_image_coord: Vector2i = parent_image_coords.pop_at(ind)
 
-        var part_image: Image = part.texture.get_image()
+        var part_image: Image = part.image
         var part_image_center: Vector2i = 0.5 * part_image.get_size()
         var part_image_coord: Vector2i = parent_image_coord + Vector2i(attach.position - part.root.position)
-        mature_image.blend_rect(part_image, Rect2i(Vector2i.ZERO, part.texture.get_size()), part_image_coord - part_image_center)
+        image.blend_rect(part_image, Rect2i(Vector2i.ZERO, part.image.get_size()), part_image_coord - part_image_center)
 
         for sub_attach in part.attaches:
             available_attaches.append(sub_attach)
             parent_image_coords.append(part_image_coord)
 
-    mature_texture = ImageTexture.create_from_image(mature_image)
+    mature_texture = ImageTexture.create_from_image(image)
+    image.fill(Color.TRANSPARENT)
     return mature_texture
 
 ## returns -1 if not found