armorpaint/paint/sources/material_nodes/checker_texture_node.c

#include "../global.h"

void checker_texture_node_init() {
	any_array_push(nodes_material_texture, checker_texture_node_def);
	any_map_set(parser_material_node_vectors, "TEX_CHECKER", checker_texture_node_vector);
	any_map_set(parser_material_node_values, "TEX_CHECKER", checker_texture_node_value);
}

char *checker_texture_node_vector(ui_node_t *node, ui_node_socket_t *socket) {
	node_shader_add_function(parser_material_kong, str_tex_checker);
	char *co    = parser_material_get_coord(node);
	char *col1  = parser_material_parse_vector_input(node->inputs->buffer[1]);
	char *col2  = parser_material_parse_vector_input(node->inputs->buffer[2]);
	char *scale = parser_material_parse_value_input(node->inputs->buffer[3], false);
	char *res =
	    string_join(string_join(string_join(string_join(string_join(string_join(string_join(string_join("tex_checker(", co), ", "), col1), ", "), col2), ", "),
	                            scale),
	                ")");
	return res;
}

char *checker_texture_node_value(ui_node_t *node, ui_node_socket_t *socket) {
	node_shader_add_function(parser_material_kong, str_tex_checker);
	char *co    = parser_material_get_coord(node);
	char *scale = parser_material_parse_value_input(node->inputs->buffer[3], false);
	char *res   = string_join(string_join(string_join(string_join("tex_checker_f(", co), ", "), scale), ")");
	return res;
}