mirror of
https://github.com/Relintai/broken_seals.git
synced 2024-12-25 01:17:10 +01:00
120 lines
2.2 KiB
GDScript
120 lines
2.2 KiB
GDScript
tool
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class_name MMMateial
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extends Resource
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#threads are implemented using my thread pool engine module.
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#if you want to use this without that module in your engine set this to false,
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#and comment out the lines that give errors
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const USE_THREADS = true
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export(Vector2) var image_size : Vector2 = Vector2(128, 128)
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export(Array) var nodes : Array
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var initialized : bool = false
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var rendering : bool = false
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var queued_render : bool = false
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var job : ThreadPoolExecuteJob = ThreadPoolExecuteJob.new()
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func initialize():
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if !initialized:
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initialized = true
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job.setup(self, "_thread_func")
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for n in nodes:
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n.connect("changed", self, "on_node_changed")
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func add_node(node : MMNode) -> void:
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nodes.append(node)
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node.connect("changed", self, "on_node_changed")
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emit_changed()
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func remove_node(node : MMNode) -> void:
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if !node:
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return
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for op in node.output_properties:
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for n in nodes:
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if n:
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for ip in n.input_properties:
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if ip.input_property == op:
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ip.set_input_property(null)
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nodes.erase(node)
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node.disconnect("changed", self, "on_node_changed")
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emit_changed()
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func render() -> void:
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if USE_THREADS:
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render_threaded()
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else:
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render_non_threaded()
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func render_non_threaded() -> void:
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if !initialized:
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initialize()
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var did_render : bool = true
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while did_render:
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did_render = false
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for n in nodes:
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if n && n.render(self):
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did_render = true
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func render_threaded() -> void:
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job.cancelled = false
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if rendering:
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queued_render = true
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return
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if !initialized:
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initialize()
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if !ThreadPool.has_job(job):
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ThreadPool.add_job(job)
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func _thread_func() -> void:
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if job.cancelled:
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rendering = false
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return
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rendering = true
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job.cancelled = false
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var did_render : bool = true
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while did_render:
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did_render = false
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for n in nodes:
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if n && n.render(self):
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did_render = true
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if job.cancelled:
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rendering = false
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return
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rendering = false
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if queued_render:
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queued_render = false
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_thread_func()
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func cancel_render_and_wait() -> void:
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if rendering:
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ThreadPool.cancel_task_wait(job)
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job.cancelled = false
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pass
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func on_node_changed() -> void:
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call_deferred("render")
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