79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*
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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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/** \file
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* \ingroup texnodes
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*/
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#include "NOD_texture.h"
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#include "node_texture_util.h"
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/* **************** MIX RGB ******************** */
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static bNodeSocketTemplate inputs[] = {
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{SOCK_FLOAT, N_("Factor"), 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE},
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{SOCK_RGBA, N_("Color1"), 0.5f, 0.5f, 0.5f, 1.0f},
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{SOCK_RGBA, N_("Color2"), 0.5f, 0.5f, 0.5f, 1.0f},
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{-1, ""},
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};
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static bNodeSocketTemplate outputs[] = {
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{SOCK_RGBA, N_("Color")},
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{-1, ""},
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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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float fac = tex_input_value(in[0], p, thread);
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float col1[4], col2[4];
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tex_input_rgba(col1, in[1], p, thread);
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tex_input_rgba(col2, in[2], p, thread);
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/* use alpha */
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if (node->custom2 & 1) {
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fac *= col2[3];
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}
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CLAMP(fac, 0.0f, 1.0f);
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copy_v4_v4(out, col1);
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ramp_blend(node->custom1, out, fac, col2);
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}
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static void exec(void *data,
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int UNUSED(thread),
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bNode *node,
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bNodeExecData *execdata,
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bNodeStack **in,
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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_mix_rgb(void)
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{
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static bNodeType ntype;
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tex_node_type_base(&ntype, TEX_NODE_MIX_RGB, "Mix", NODE_CLASS_OP_COLOR, 0);
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node_type_socket_templates(&ntype, inputs, outputs);
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node_type_label(&ntype, node_blend_label);
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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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