luboslenco
19 lines
1.1 KiB
C
19 lines
1.1 KiB
C
void normal_map_node_init() {
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any_array_push(nodes_material_utilities, normal_map_node_def);
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any_map_set(parser_material_node_vectors, "NORMAL_MAP", normal_map_node_vector);
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}
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char *normal_map_node_vector(ui_node_t *node, ui_node_socket_t *socket) {
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char *strength = parser_material_parse_value_input(node->inputs->buffer[0], false);
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char *norm = parser_material_parse_vector_input(node->inputs->buffer[1]);
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char *store = parser_material_store_var_name(node);
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parser_material_write(parser_material_kong, string_join(string_join(string_join(string_join("var ", store), "_texn: float3 = "), norm), " * 2.0 - 1.0;"));
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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("", store), "_texn.xy = "), strength), " * "), store),
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"_texn.xy;"));
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parser_material_write(parser_material_kong, string_join(string_join(string_join(string_join("", store), "_texn = normalize("), store), "_texn);"));
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return string_join(string_join("(0.5 * ", store), "_texn + 0.5)");
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}
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