159 lines
7.5 KiB
GDScript
159 lines
7.5 KiB
GDScript
extends Node
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const IMAGE_WIDTH := 1000
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const IMAGE_HEIGHT := 2000
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const PLACEHOLDER_SEED_TEXTURE: Texture = preload("res://entities/plants/assets/sprites/default/seed.png")
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const PLACEHOLDER_MATURE_TEXTURE: Texture = preload("res://entities/plants/assets/sprites/default/mature.png")
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const PLACEHOLDER_GROWING_TEXTURE: Texture = preload("res://entities/plants/assets/sprites/default/growing.png")
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# @export var parts_archetype_associations: Dictionary[PlantArchetype, PartArchetypeAssociation] TODO:: have the archetypes
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@export var bases: Array[PlantPart]
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@export var baby_bases: Array[PlantPart]
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@export var branches: Array[PlantPart]
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@export var n_branches: int = 2
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@export var parts_mutation_associations: Dictionary[String, PartMutationAssociation]
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var rng := RandomNumberGenerator.new()
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func build_seed_texture(_random_seed: int) -> Texture:
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return PLACEHOLDER_SEED_TEXTURE
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func build_plant_texture(plant_data: PlantData) -> Texture:
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rng.seed = plant_data.random_seed
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var mature_texture: Texture = PLACEHOLDER_MATURE_TEXTURE
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var mature_image: Image = Image.create_empty(IMAGE_WIDTH, IMAGE_HEIGHT, false, Image.FORMAT_RGBA8)
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var mature_image_center: Vector2i = 0.5 * mature_image.get_size()
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var branch_parts: Array[PlantPart]
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var base_part: PlantPart
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var available_base_attaches: Array[Vector2]
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var available_base_bottom_attach: Array[Vector2]
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var branch_attaches: Array[Vector2]
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var branch_root: Array[Vector2]
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var branch_parent_attach: Array[Vector2]
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var parts_to_place: Array[PlantPart]
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match plant_data.get_state():
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PlantData.State.MATURE:
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print("Build mature texture")
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# var plant_archetype := plant_data.archetype
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if bases.size() == 0:
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printerr("No base in archetype")
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return mature_texture
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# var base_part: PlantPart = pick_random(parts_archetype_associations[plant_archetype].bases)
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base_part = pick_random(bases)
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var base_image = base_part.texture.get_image()
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var base_image_center: Vector2i = 0.5 * base_image.get_size()
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mature_image.blend_rect(base_image, Rect2i(Vector2i.ZERO, base_image.get_size()), mature_image_center - base_image_center - Vector2i(base_part.root))
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if branches.size() == 0:
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printerr("No branches in archetype")
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# var branch_parts: Array[PlantPart] = parts_archetype_associations[plant_archetype].branches
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for i in n_branches:
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branch_parts.append(pick_random(branches))
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for m in plant_data.mutations:
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print("mutations: ", m.id)
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var association: PartMutationAssociation = parts_mutation_associations[m.id]
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var mutation_possible_parts := association.parts
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for p in association.part_amount:
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parts_to_place.append(pick_random(mutation_possible_parts))
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PlantData.State.GROWING:
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print("Build growing texture")
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# var plant_archetype := plant_data.archetype
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if baby_bases.size() == 0:
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printerr("No baby base in archetype")
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return mature_texture
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# var base_part: PlantPart = pick_random(parts_archetype_associations[plant_archetype].baby_bases)
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base_part = pick_random(baby_bases)
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var base_image = base_part.texture.get_image()
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var base_image_center: Vector2i = 0.5 * base_image.get_size()
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mature_image.blend_rect(base_image, Rect2i(Vector2i.ZERO, base_image.get_size()), mature_image_center - base_image_center - Vector2i(base_part.root))
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for m in plant_data.mutations:
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print("mutations: ", m.id)
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var association: PartMutationAssociation = parts_mutation_associations[m.id]
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var mutation_possible_parts := association.parts
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for p in ceil(0.5 * association.part_amount):
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parts_to_place.append(pick_random(mutation_possible_parts))
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_:
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print("Not handled state")
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return null
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available_base_attaches = base_part.attaches.duplicate()
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available_base_bottom_attach = base_part.bottom_attaches.duplicate()
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assert(branch_parts.size() <= base_part.attaches.size(),
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str("More branches (", branch_parts.size(), ") than base attaches (", base_part.attaches.size(), ")"))
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for branch in branch_parts:
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if available_base_attaches.size() == 0:
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break
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var ind: int = rng.randi_range(0, available_base_attaches.size() - 1)
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var attach: Vector2 = available_base_attaches.pop_at(ind)
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var branch_image: Image = branch.texture.get_image()
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var branch_image_center: Vector2i = 0.5 * branch_image.get_size()
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mature_image.blend_rect(branch_image, Rect2i(Vector2i.ZERO, branch.texture.get_size()), mature_image_center - branch_image_center + Vector2i(attach - branch.root - base_part.root))
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for branch_attach in branch.attaches:
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branch_attaches.append(branch_attach)
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branch_root.append(branch.root)
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branch_parent_attach.append(attach)
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if parts_to_place.size() > branch_attaches.size() + base_part.attaches.size() - branch_parts.size():
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printerr("ERROR generating : Parts to place : ", parts_to_place.size(),
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"; Branch Attaches : ", branch_attaches.size(),
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"; Base attaches : ", base_part.attaches.size(),
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"; Branch parts : ", branch_parts.size())
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for part: PlantPart in parts_to_place:
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print("create part")
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var attach: Vector2
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var parent_root: Vector2
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var chosen_attach_type: int = 0
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var attachables: Array[int]
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if part.base_attachable && available_base_attaches.size() > 0:
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attachables.append(1)
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if part.bottom_attachable && available_base_bottom_attach.size() > 0:
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attachables.append(2)
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if part.branch_attachable && branch_attaches.size() > 0:
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attachables.append(3)
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# assert(attachables.size() > 0)
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if attachables.size() == 0:
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print("No attach available")
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continue
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chosen_attach_type = pick_random(attachables)
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if chosen_attach_type == 1: # base attach
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var ind := rng.randi_range(0, available_base_attaches.size() - 1)
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attach = available_base_attaches.pop_at(ind)
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parent_root = base_part.root
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elif chosen_attach_type == 2: # bottom
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var ind := rng.randi_range(0, available_base_bottom_attach.size() - 1)
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attach = available_base_bottom_attach.pop_at(ind)
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parent_root = base_part.root
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elif chosen_attach_type == 3: # branch
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var ind := rng.randi_range(0, branch_attaches.size() - 1)
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attach = branch_attaches.pop_at(ind) - branch_root.pop_at(ind) + branch_parent_attach.pop_at(ind)
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parent_root = base_part.root
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var part_image: Image = part.texture.get_image()
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var part_image_center: Vector2i = 0.5 * part_image.get_size()
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var relative_root_centered_pos: Vector2 = Vector2(mature_image_center - part_image_center) - part.root
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mature_image.blend_rect(part_image, Rect2i(Vector2i.ZERO, part.texture.get_size()), relative_root_centered_pos + attach - parent_root)
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if rng.randi() % 2 == 0:
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mature_image.flip_x()
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mature_texture = ImageTexture.create_from_image(mature_image)
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return mature_texture
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func pick_random(array: Array):
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return array[rng.randi_range(0, array.size() - 1)]
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