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