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42 lines
1.4 KiB
GDScript
42 lines
1.4 KiB
GDScript
tool
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extends "res://addons/procedural_material/node_base.gd"
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var amount = 0.0
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func _ready():
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set_slot(0, true, 0, Color(0.5, 0.5, 1), true, 0, Color(0.5, 0.5, 1))
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set_slot(1, true, 0, Color(0.5, 0.5, 1), false, 0, Color(0.5, 0.5, 1))
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set_slot(2, true, 0, Color(0.5, 0.5, 1), false, 0, Color(0.5, 0.5, 1))
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initialize_properties([ $amount ])
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func color_to_string(c):
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return "vec3("+str(c.r)+","+str(c.g)+","+str(c.b)+")"
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func get_shader_code(uv):
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var rv = { defs="", code="" }
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var src0 = get_source(0)
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var src1 = get_source(1)
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var src2 = get_source(2)
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if src0 == null or src1 == null:
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return rv
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var src0_code = src0.get_shader_code(uv)
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var src1_code = src1.get_shader_code(uv)
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var src2_code = { defs="", code="" }
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var amount_str = str(amount)
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if src2 != null:
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src2_code = src2.get_shader_code(uv)
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amount_str = str(src2_code.f)
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if generated_variants.empty():
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rv.defs = src0_code.defs+src1_code.defs+src2_code.defs
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var variant_index = generated_variants.find(uv)
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if variant_index == -1:
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variant_index = generated_variants.size()
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generated_variants.append(uv)
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rv.code = src0_code.code+src1_code.code+src2_code.code
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rv.code += "vec3 "+name+"_"+str(variant_index)+"_rgb = mix("+get_source_rgb(src0_code)+", "+get_source_rgb(src1_code)+", "+amount_str+");\n"
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rv.rgb = name+"_"+str(variant_index)+"_rgb"
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return rv
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func _get_state_variables():
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return [ "amount" ]
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