game/terrain_instance_3d.gd

168 lines
2.7 KiB
GDScript

@tool
class_name TerrainInstance3D extends GeometryInstance3D
var _mesh := PlaneMesh.new()
var _material := ShaderMaterial.new()
##
##
##
@export
var size: Vector2i = Vector2i.ZERO:
get:
return size
set(value):
var width := maxi(value.x, 0)
var height := maxi(value.y, 0)
if (width != size.x) or (height != size.y):
if (width == 0) and (height == 0):
RenderingServer.instance_set_base(self.get_instance(), RID())
else:
self._mesh.subdivide_width = width
self._mesh.subdivide_depth = height
self._mesh.size = value
self._material.set_shader_parameter("SIZE", Vector2(value))
RenderingServer.instance_set_base(self.get_instance(), self._mesh)
size = Vector2i(width, height)
##
##
##
@export
var layer_1_albedo: Texture2D = null:
get:
return layer_1_albedo
set(value):
self._material.set_shader_parameter("LAYER_1_ALBEDO", value)
layer_1_albedo = value
##
##
##
@export
var layer_1_normal_map: Texture2D = null:
get:
return layer_1_normal_map
set(value):
self._material.set_shader_parameter("LAYER_1_NORMAL_MAP", value)
layer_1_normal_map = value
##
##
##
@export
var layer_2_albedo: Texture2D = null:
get:
return layer_2_albedo
set(value):
self._material.set_shader_parameter("LAYER_2_ALBEDO", value)
layer_2_albedo = value
##
##
##
@export
var layer_2_normal_map: Texture2D = null:
get:
return layer_2_normal_map
set(value):
self._material.set_shader_parameter("LAYER_2_NORMAL_MAP", value)
layer_2_normal_map = value
##
##
##
@export
var layer_3_albedo: Texture2D = null:
get:
return layer_3_albedo
set(value):
self._material.set_shader_parameter("LAYER_3_ALBEDO", value)
layer_3_albedo = value
##
##
##
@export
var layer_3_normal_map: Texture2D = null:
get:
return layer_3_normal_map
set(value):
self._material.set_shader_parameter("LAYER_3_NORMAL_MAP", value)
layer_3_normal_map = value
##
##
##
@export
var layer_4_albedo: Texture2D = null:
get:
return layer_4_albedo
set(value):
self._material.set_shader_parameter("LAYER_4_ALBEDO", value)
layer_4_albedo = value
##
##
##
@export
var layer_4_normal_map: Texture2D = null:
get:
return layer_4_normal_map
set(value):
self._material.set_shader_parameter("LAYER_4_NORMAL_MAP", value)
layer_4_normal_map = value
##
##
##
@export
var terrain_map: Texture2D = null:
get:
return terrain_map
set(value):
self._material.set_shader_parameter("TERRAIN_MAP", value)
terrain_map = value
##
##
##
@export
var max_height := 100.0:
get:
return max_height
set(value):
self._material.set_shader_parameter("MAX_HEIGHT", value)
max_height = max(value, 0.0)
func _init() -> void:
self._material.shader = preload("res://terrain_shader.gdshader")
self._mesh.surface_set_material(0, self._material)