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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2006 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Robin Allen
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/nodes/texture/nodes/node_texture_output.c
* \ingroup texnodes
*/
#include "node_texture_util.h"
#include "NOD_texture.h"
/* **************** COMPOSITE ******************** */
static bNodeSocketTemplate inputs[]= {
{ SOCK_RGBA, 1, N_("Color"), 0.0f, 0.0f, 0.0f, 1.0f},
{ SOCK_VECTOR, 1, N_("Normal"), 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, PROP_DIRECTION},
{ -1, 0, "" }
};
/* applies to render pipeline */
static void exec(void *data, bNode *node, bNodeStack **in, bNodeStack **UNUSED(out))
{
TexCallData *cdata = (TexCallData *)data;
TexResult *target = cdata->target;
if (cdata->do_preview) {
TexParams params;
params_from_cdata(¶ms, cdata);
if (in[1] && in[1]->hasinput && !in[0]->hasinput)
tex_input_rgba(&target->tr, in[1], ¶ms, cdata->thread);
else
tex_input_rgba(&target->tr, in[0], ¶ms, cdata->thread);
tex_do_preview(node, params.co, &target->tr);
}
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->tr, in[0], ¶ms, cdata->thread);
target->tin = (target->tr + target->tg + target->tb) / 3.0f;
target->talpha = 1;
if (target->nor) {
if (in[1] && in[1]->hasinput)
tex_input_vec(target->nor, in[1], ¶ms, cdata->thread);
else
target->nor = NULL;
}
}
}
}
static void unique_name(bNode *node)
{
TexNodeOutput *tno = (TexNodeOutput *)node->storage;
char *new_name = NULL;
int new_len = 0;
int suffix;
bNode *i;
char *name = tno->name;
i = node;
while (i->prev) i = i->prev;
for ( ; i; i = i->next) {
if (i == node ||
i->type != TEX_NODE_OUTPUT ||
strcmp(name, ((TexNodeOutput*)(i->storage))->name))
{
continue;
}
if (!new_name) {
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);
}
new_name = MEM_mallocN(new_len + 1, "new_name");
strcpy(new_name, name);
name = new_name;
}
sprintf(new_name + new_len - 4, ".%03d", ++suffix);
}
if (new_name) {
strcpy(tno->name, new_name);
MEM_freeN(new_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, bNodeTemplate *UNUSED(ntemp))
{
TexNodeOutput *tno = MEM_callocN(sizeof(TexNodeOutput), "TEX_output");
node->storage= tno;
strcpy(tno->name, "Default");
unique_name(node);
assign_index(node);
}
static void copy(bNode *orig, bNode *new)
{
node_copy_standard_storage(orig, new);
unique_name(new);
assign_index(new);
}
void register_node_type_tex_output(bNodeTreeType *ttype)
{
static bNodeType ntype;
node_type_base(ttype, &ntype, TEX_NODE_OUTPUT, "Output", NODE_CLASS_OUTPUT, NODE_PREVIEW|NODE_OPTIONS);
node_type_socket_templates(&ntype, inputs, NULL);
node_type_size(&ntype, 150, 60, 200);
node_type_init(&ntype, init);
node_type_storage(&ntype, "TexNodeOutput", node_free_standard_storage, copy);
node_type_exec(&ntype, exec);
/* Do not allow muting output. */
node_type_internal_connect(&ntype, NULL);
nodeRegisterType(ttype, &ntype);
}
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