108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2005 Blender Foundation.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): Robin Allen
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/nodes/texture/nodes/node_texture_texture.c
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* \ingroup texnodes
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*/
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#include "node_texture_util.h"
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#include "NOD_texture.h"
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#include "RE_shader_ext.h"
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static bNodeSocketTemplate inputs[] = {
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{ SOCK_RGBA, 1, N_("Color1"), 1.0f, 1.0f, 1.0f, 1.0f },
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{ SOCK_RGBA, 1, N_("Color2"), 0.0f, 0.0f, 0.0f, 1.0f },
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{ -1, 0, "" }
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};
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static bNodeSocketTemplate outputs[] = {
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{ SOCK_RGBA, 0, N_("Color") },
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{ -1, 0, "" }
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};
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static void colorfn(float *out, TexParams *p, bNode *node, bNodeStack **in, short thread)
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{
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Tex *nodetex = (Tex *)node->id;
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static float red[] = {1, 0, 0, 1};
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static float white[] = {1, 1, 1, 1};
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float co[3], dxt[3], dyt[3];
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copy_v3_v3(co, p->co);
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if (p->osatex) {
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copy_v3_v3(dxt, p->dxt);
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copy_v3_v3(dyt, p->dyt);
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}
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else {
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zero_v3(dxt);
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zero_v3(dyt);
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}
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if (node->custom2 || node->need_exec == 0) {
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/* this node refers to its own texture tree! */
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copy_v4_v4(out, (fabsf(co[0] - co[1]) < 0.01f) ? white : red);
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}
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else if (nodetex) {
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TexResult texres;
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int textype;
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float nor[] = {0, 0, 0};
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float col1[4], col2[4];
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tex_input_rgba(col1, in[0], p, thread);
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tex_input_rgba(col2, in[1], p, thread);
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texres.nor = nor;
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textype = multitex_nodes(nodetex, co, dxt, dyt, p->osatex,
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&texres, thread, 0, p->shi, p->mtex, NULL);
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if (textype & TEX_RGB) {
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copy_v4_v4(out, &texres.tr);
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}
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else {
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copy_v4_v4(out, col1);
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ramp_blend(MA_RAMP_BLEND, out, texres.tin, col2);
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}
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}
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}
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static void exec(void *data, int UNUSED(thread), bNode *node, bNodeExecData *execdata, bNodeStack **in, bNodeStack **out)
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{
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tex_output(node, execdata, in, out[0], &colorfn, data);
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}
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void register_node_type_tex_texture(void)
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{
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static bNodeType ntype;
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tex_node_type_base(&ntype, TEX_NODE_TEXTURE, "Texture", NODE_CLASS_INPUT, NODE_PREVIEW);
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node_type_socket_templates(&ntype, inputs, outputs);
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node_type_exec(&ntype, NULL, NULL, exec);
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nodeRegisterType(&ntype);
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}
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