scorpion21211-cmd
44 lines
1.5 KiB
GDScript
44 lines
1.5 KiB
GDScript
extends Node3D
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class_name ShaderPrecompiler
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static var shader_compiler = null
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static var materials : Array[ShaderMaterial] = []
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# UNKNOWN: MultimeshInstances? Particles?
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## Returns the node being used to compile shaders
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## `use_new_node` allows you to precompile multiple shaders at once by spawning a new node
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## Disable process on the node if you want to choose when to precompile
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static func precompile(tree : SceneTree, shader : ShaderMaterial, use_new_node : bool = false):
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materials.push_back(shader)
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var compiler = null
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if use_new_node or shader_compiler == null:
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if shader_compiler == null:
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shader_compiler = MeshInstance3D.new()
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compiler = shader_compiler
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else:
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compiler = MeshInstance3D.new()
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compiler.set_script(ShaderPrecompiler)
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compiler.mesh = QuadMesh.new()
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compiler.mesh.size = Vector2.ZERO
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compiler.position = Vector3(0,0,-0.1) # position self in front of camera
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compiler.cast_shadow = 0
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compiler.custom_aabb = AABB(compiler.position, Vector3.ONE*100) # make sure we're always rendering
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tree.root.get_camera_3d().add_child(compiler)
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else:
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return shader_compiler
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return compiler
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# Every node will attempt to grab a material from the queue per frame. If there are no new materials to show this frame, it deletes itself.
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func _process(_delta):
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if len(materials) == 0:
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if shader_compiler == self:
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shader_compiler = null
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get_parent().remove_child(self)
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queue_free()
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else:
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var mat = materials.pop_back()
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self.material_override = mat
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