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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2006 Blender Foundation. All rights reserved. */
/** \file
* \ingroup texnodes
*/
#include "BLI_string.h"
#include "NOD_texture.h"
#include "node_texture_util.h"
/* **************** COMPOSITE ******************** */
static bNodeSocketTemplate inputs[] = {
{SOCK_RGBA, N_("Color"), 0.0f, 0.0f, 0.0f, 1.0f},
{-1, ""},
};
/* applies to render pipeline */
static void exec(void *data,
int UNUSED(thread),
bNode *node,
bNodeExecData *UNUSED(execdata),
bNodeStack **in,
bNodeStack **UNUSED(out))
{
TexCallData *cdata = (TexCallData *)data;
TexResult *target = cdata->target;
if (cdata->do_preview) {
TexParams params;
params_from_cdata(¶ms, cdata);
tex_input_rgba(target->trgba, in[0], ¶ms, cdata->thread);
}
else {
/* 0 means don't care, so just use first */
if (cdata->which_output == node->custom1 || (cdata->which_output == 0 && node->custom1 == 1)) {
TexParams params;
params_from_cdata(¶ms, cdata);
tex_input_rgba(target->trgba, in[0], ¶ms, cdata->thread);
target->tin = (target->trgba[0] + target->trgba[1] + target->trgba[2]) / 3.0f;
target->talpha = true;
}
}
}
static void unique_name(bNode *node)
{
TexNodeOutput *tno = (TexNodeOutput *)node->storage;
char new_name[sizeof(tno->name)];
int new_len = 0;
int suffix;
bNode *i;
const char *name = tno->name;
new_name[0] = '\0';
i = node;
while (i->prev) {
i = i->prev;
}
for (; i; i = i->next) {
if (i == node || i->type != TEX_NODE_OUTPUT ||
!STREQ(name, ((TexNodeOutput *)(i->storage))->name)) {
continue;
}
if (new_name[0] == '\0') {
int len = strlen(name);
if (len >= 4 && sscanf(name + len - 4, ".%03d", &suffix) == 1) {
new_len = len;
}
else {
suffix = 0;
new_len = len + 4;
if (new_len > (sizeof(tno->name) - 1)) {
new_len = (sizeof(tno->name) - 1);
}
}
BLI_strncpy(new_name, name, sizeof(tno->name));
name = new_name;
}
BLI_sprintf(new_name + new_len - 4, ".%03d", ++suffix);
}
if (new_name[0] != '\0') {
BLI_strncpy(tno->name, new_name, sizeof(tno->name));
}
}
static void assign_index(struct bNode *node)
{
bNode *tnode;
int index = 1;
tnode = node;
while (tnode->prev) {
tnode = tnode->prev;
}
check_index:
for (; tnode; tnode = tnode->next) {
if (tnode->type == TEX_NODE_OUTPUT && tnode != node) {
if (tnode->custom1 == index) {
index++;
goto check_index;
}
}
}
node->custom1 = index;
}
static void init(bNodeTree *UNUSED(ntree), bNode *node)
{
TexNodeOutput *tno = MEM_callocN(sizeof(TexNodeOutput), "TEX_output");
node->storage = tno;
strcpy(tno->name, "Default");
unique_name(node);
assign_index(node);
}
static void copy(bNodeTree *dest_ntree, bNode *dest_node, const bNode *src_node)
{
node_copy_standard_storage(dest_ntree, dest_node, src_node);
unique_name(dest_node);
assign_index(dest_node);
}
void register_node_type_tex_output(void)
{
static bNodeType ntype;
tex_node_type_base(&ntype, TEX_NODE_OUTPUT, "Output", NODE_CLASS_OUTPUT);
node_type_socket_templates(&ntype, inputs, NULL);
node_type_size_preset(&ntype, NODE_SIZE_MIDDLE);
ntype.initfunc = init;
node_type_storage(&ntype, "TexNodeOutput", node_free_standard_storage, copy);
ntype.exec_fn = exec;
ntype.flag |= NODE_PREVIEW;
ntype.no_muting = true;
nodeRegisterType(&ntype);
}
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