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https://github.com/Relintai/material-maker.git
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1c56fc60d8
Moved Material Spray to another repository. Renamed the addon directory to material_maker
37 lines
1.6 KiB
GDScript
37 lines
1.6 KiB
GDScript
tool
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extends "res://addons/material_maker/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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initialize_properties([ $amount ])
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func _get_shader_code(uv):
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var epsilon = 0.01
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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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if src0 == null || src1 == null:
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return rv
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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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var src1_code0 = src1.get_shader_code("fract(%s+vec2(%.9f, 0.0))" % [ uv, epsilon ])
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var src1_code1 = src1.get_shader_code("fract(%s-vec2(%.9f, 0.0))" % [ uv, epsilon ])
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var src1_code2 = src1.get_shader_code("fract(%s+vec2(0.0, %.9f))" % [ uv, epsilon ])
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var src1_code3 = src1.get_shader_code("fract(%s-vec2(0.0, %.9f))" % [ uv, epsilon ])
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rv.defs = src1_code0.defs
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rv.code = src1_code0.code+src1_code1.code+src1_code2.code+src1_code3.code
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rv.code += "vec2 %s_%d_uv = %s+%.9f*vec2((%s)-(%s), (%s)-(%s));\n" % [ name, variant_index, uv, amount, src1_code0.f, src1_code1.f, src1_code2.f, src1_code3.f ]
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var src0_code = src0.get_shader_code("%s_%d_uv" % [ name, variant_index ])
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rv.defs += src0_code.defs
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rv.code += src0_code.code
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rv.code += "vec3 %s_%d_rgb = %s;\n" % [ name, variant_index, src0_code.rgb ]
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rv.code += "float %s_%d_f = %s;\n" % [ name, variant_index, src0_code.f ]
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rv.rgb = "%s_%d_rgb" % [ name, variant_index ]
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rv.f = "%s_%d_f" % [ name, variant_index ]
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return rv
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