luboslenco
26 lines
1.6 KiB
C
26 lines
1.6 KiB
C
void bump_node_init() {
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any_array_push(nodes_material_utilities, bump_node_def);
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any_map_set(parser_material_node_vectors, "BUMP", bump_node_vector);
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}
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string_t *bump_node_vector(ui_node_t *node, ui_node_socket_t *socket) {
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string_t *strength = parser_material_parse_value_input(node->inputs->buffer[0], false);
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// string_t *distance = parser_material_parse_value_input(node->inputs->buffer[1], false);
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string_t *height = parser_material_parse_value_input(node->inputs->buffer[2], false);
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string_t *nor = parser_material_parse_vector_input(node->inputs->buffer[3]);
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string_t *sample_bump_res = string_join(parser_material_store_var_name(node), "_bump");
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parser_material_write(parser_material_kong,
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string_join(string_join(string_join(string_join(string_join(string_join("var ", sample_bump_res), "_x: float = ddx(float("), height),
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")) * ("),
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strength),
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") * 16.0;"));
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parser_material_write(parser_material_kong,
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string_join(string_join(string_join(string_join(string_join(string_join("var ", sample_bump_res), "_y: float = ddy(float("), height),
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")) * ("),
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strength),
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") * 16.0;"));
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return string_join(
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string_join(string_join(string_join(string_join(string_join("(normalize(float3(", sample_bump_res), "_x, "), sample_bump_res), "_y, 1.0) + "), nor),
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") * float3(0.5, 0.5, 0.5) + float3(0.5, 0.5, 0.5))");
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}
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