# Hurry Curry! - a game about cooking
# Copyright 2024 nokoe
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, version 3 of the License only.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.
#
class_name Grass
extends Tile

const GRASS_MESH: Mesh = preload("res://map/tiles/grass_side.tres")

func _init(ctx: TileFactory.TileCC):
	super(ctx)

	var random = RandomNumberGenerator.new()
	random.seed = str(ctx.position).hash()

	var multimesh_instance := MultiMeshInstance3D.new()

	var multimesh := MultiMesh.new()
	multimesh.mesh = GRASS_MESH
	multimesh.transform_format = MultiMesh.TRANSFORM_3D
	multimesh.instance_count = Global.get_setting("graphics.grass_amount")

	for i in multimesh.instance_count:
		var origin := Vector3(random.randf_range(-.5, .5), 0.25, random.randf_range(-.5, .5))
		var basis_ := (Basis(Vector3(0, 1, 0), random.randf_range(0, PI)) * Basis(Vector3(1, 0, 0), PI/2)).scaled(Vector3(0.75, 0.5, 0.75))
		multimesh.set_instance_transform(i, Transform3D(basis_, origin))

	base_mesh.add_child(multimesh_instance)
	multimesh_instance.multimesh = multimesh

func get_base_mesh():
	return preload("res://map/tiles/grass.tscn").instantiate()