112 lines
3.1 KiB
GDScript
112 lines
3.1 KiB
GDScript
tool
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extends Viewport
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class_name MMGenRenderer
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export(String) var debug_path = null
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var debug_file_index : int = 0
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var rendering : bool = false
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signal done
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func _ready():
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$ColorRect.material = $ColorRect.material.duplicate(true)
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static func generate_shader(src_code):
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var code
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code = "shader_type canvas_item;\n"
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code += "render_mode blend_disabled;\n"
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var file = File.new()
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file.open("res://addons/material_maker/common.shader", File.READ)
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code += file.get_as_text()
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code += "\n"
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if src_code.has("textures"):
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for t in src_code.textures.keys():
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code += "uniform sampler2D "+t+";\n"
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if src_code.has("globals"):
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for g in src_code.globals:
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code += g
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var shader_code = src_code.defs
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shader_code += "\nvoid fragment() {\n"
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shader_code += src_code.code
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shader_code += "COLOR = "+src_code.rgba+";\n"
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shader_code += "}\n"
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#print("GENERATED SHADER:\n"+shader_code)
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code += shader_code
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return code
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static func generate_combined_shader(red_code, green_code, blue_code):
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var code
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code = "shader_type canvas_item;\n"
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code += "render_mode blend_disabled;\n"
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var file = File.new()
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file.open("res://addons/material_maker/common.shader", File.READ)
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code += file.get_as_text()
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code += "\n"
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if red_code.has("globals"):
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for g in red_code.globals:
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code += g
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if green_code.has("globals"):
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for g in green_code.globals:
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code += g
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if blue_code.has("globals"):
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for g in blue_code.globals:
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code += g
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var shader_code = ""
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shader_code += red_code.defs
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shader_code += green_code.defs
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shader_code += blue_code.defs
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shader_code += "void fragment() {\n"
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shader_code += red_code.code
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shader_code += green_code.code
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shader_code += blue_code.code
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shader_code += "COLOR = vec4("+red_code.f+", "+green_code.f+", "+blue_code.f+", 1.0);\n"
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shader_code += "}\n"
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#print("GENERATED COMBINED SHADER:\n"+shader_code)
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code += shader_code
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return code
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func setup_material(shader_material, textures, shader_code):
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for k in textures.keys():
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shader_material.set_shader_param(k+"_tex", textures[k])
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shader_material.shader.code = shader_code
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func render_shader(shader, textures, render_size):
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while rendering:
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yield(self, "done")
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rendering = true
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if debug_path != null and debug_path != "":
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var f = File.new()
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f.open(debug_path+str(debug_file_index)+".shader", File.WRITE)
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f.store_string(shader)
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f.close()
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debug_file_index += 1
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size = Vector2(render_size, render_size)
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$ColorRect.rect_position = Vector2(0, 0)
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$ColorRect.rect_size = size
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var shader_material = $ColorRect.material
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shader_material.shader.code = shader
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if textures != null:
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for k in textures.keys():
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shader_material.set_shader_param(k, textures[k])
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render_target_update_mode = Viewport.UPDATE_ONCE
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update_worlds()
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yield(get_tree(), "idle_frame")
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yield(get_tree(), "idle_frame")
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return self
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func copy_to_texture(t : ImageTexture):
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var image : Image = get_texture().get_data()
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image.lock()
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t.create_from_image(get_texture().get_data())
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image.unlock()
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func save_to_file(fn : String):
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var image : Image = get_texture().get_data()
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image.lock()
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image.save_png(fn)
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image.unlock()
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func release():
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rendering = false
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emit_signal("done")
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