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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) 2005 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_texture.c
* \ingroup texnodes
*/
#include "node_texture_util.h"
#include "NOD_texture.h"
#include "RE_shader_ext.h"
static bNodeSocketTemplate inputs[] = {
{ SOCK_RGBA, 1, N_("Color1"), 1.0f, 1.0f, 1.0f, 1.0f },
{ SOCK_RGBA, 1, N_("Color2"), 0.0f, 0.0f, 0.0f, 1.0f },
{ -1, 0, "" }
};
static bNodeSocketTemplate outputs[] = {
{ SOCK_RGBA, 0, N_("Color") },
{ -1, 0, "" }
};
static void colorfn(float *out, TexParams *p, bNode *node, bNodeStack **in, short thread)
{
Tex *nodetex = (Tex *)node->id;
static float red[] = {1, 0, 0, 1};
static float white[] = {1, 1, 1, 1};
float co[3], dxt[3], dyt[3];
copy_v3_v3(co, p->co);
if (p->osatex) {
copy_v3_v3(dxt, p->dxt);
copy_v3_v3(dyt, p->dyt);
}
else {
zero_v3(dxt);
zero_v3(dyt);
}
if (node->custom2 || node->need_exec == 0) {
/* this node refers to its own texture tree! */
copy_v4_v4(out, (fabsf(co[0] - co[1]) < 0.01f) ? white : red);
}
else if (nodetex) {
TexResult texres;
int textype;
float nor[] = {0, 0, 0};
float col1[4], col2[4];
tex_input_rgba(col1, in[0], p, thread);
tex_input_rgba(col2, in[1], p, thread);
texres.nor = nor;
textype = multitex_nodes(nodetex, co, dxt, dyt, p->osatex,
&texres, thread, 0, p->shi, p->mtex, NULL);
if (textype & TEX_RGB) {
copy_v4_v4(out, &texres.tr);
}
else {
copy_v4_v4(out, col1);
ramp_blend(MA_RAMP_BLEND, out, texres.tin, col2);
}
}
}
static void exec(void *data, int UNUSED(thread), bNode *node, bNodeExecData *execdata, bNodeStack **in, bNodeStack **out)
{
tex_output(node, execdata, in, out[0], &colorfn, data);
}
void register_node_type_tex_texture(void)
{
static bNodeType ntype;
tex_node_type_base(&ntype, TEX_NODE_TEXTURE, "Texture", NODE_CLASS_INPUT, NODE_PREVIEW);
node_type_socket_templates(&ntype, inputs, outputs);
node_type_exec(&ntype, NULL, NULL, exec);
nodeRegisterType(&ntype);
}
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