armorpaint/paint/sources/nodes_material/shader_node.c

#include "../global.h"

char *shader_node_value(ui_node_t *node, ui_node_socket_t *socket) {
	buffer_t *shader = node->buttons->buffer[0]->default_value;
	char     *str    = sys_buffer_to_string(shader);
	return string_equals(str, "") ? "0.0" : str;
}

void shader_node_init() {

	ui_node_t *shader_node_def = GC_ALLOC_INIT(ui_node_t, {.id      = 0,
	                                                       .name    = _tr("Shader"),
	                                                       .type    = "SHADER_GPU", // extension
	                                                       .x       = 0,
	                                                       .y       = 0,
	                                                       .color   = 0xffb34f5a,
	                                                       .inputs  = any_array_create_from_raw((void *[]){}, 0),
	                                                       .outputs = any_array_create_from_raw(
	                                                           (void *[]){
	                                                               GC_ALLOC_INIT(ui_node_socket_t, {.id            = 0,
	                                                                                                .node_id       = 0,
	                                                                                                .name          = _tr("Value"),
	                                                                                                .type          = "VALUE",
	                                                                                                .color         = 0xffa1a1a1,
	                                                                                                .default_value = f32_array_create_x(0.5),
	                                                                                                .min           = 0.0,
	                                                                                                .max           = 1.0,
	                                                                                                .precision     = 100,
	                                                                                                .display       = 0}),
	                                                           },
	                                                           1),
	                                                       .buttons = any_array_create_from_raw(
	                                                           (void *[]){
	                                                               GC_ALLOC_INIT(ui_node_button_t, {.name          = " ",
	                                                                                                .type          = "STRING",
	                                                                                                .output        = -1,
	                                                                                                .default_value = f32_array_create_x(0), // "",
	                                                                                                .data          = NULL,
	                                                                                                .min           = 0.0,
	                                                                                                .max           = 1.0,
	                                                                                                .precision     = 100,
	                                                                                                .height        = 0}),
	                                                           },
	                                                           1),
	                                                       .width = 0,
	                                                       .flags = 0});

	any_array_push(nodes_material_input, shader_node_def);
	any_map_set(parser_material_node_values, "SHADER_GPU", shader_node_value);
}