76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/**
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* $Id$
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*
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#include "../SHD_util.h"
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/* **************** MIX RGB ******************** */
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static bNodeSocketType sh_node_mix_rgb_in[]= {
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{ SOCK_VALUE, 1, "Fac", 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
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{ SOCK_RGBA, 1, "Color1", 0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 1.0f},
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{ SOCK_RGBA, 1, "Color2", 0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 1.0f},
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{ -1, 0, "" }
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};
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static bNodeSocketType sh_node_mix_rgb_out[]= {
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{ SOCK_RGBA, 0, "Color", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
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{ -1, 0, "" }
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};
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static void node_shader_exec_mix_rgb(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
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{
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/* stack order in: fac, col1, col2 */
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/* stack order out: col */
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float col[3];
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float fac;
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float vec[3];
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nodestack_get_vec(&fac, SOCK_VALUE, in[0]);
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CLAMP(fac, 0.0f, 1.0f);
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nodestack_get_vec(col, SOCK_VECTOR, in[1]);
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nodestack_get_vec(vec, SOCK_VECTOR, in[2]);
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ramp_blend(node->custom1, col, col+1, col+2, fac, vec);
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VECCOPY(out[0]->vec, col);
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}
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bNodeType sh_node_mix_rgb= {
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/* type code */ SH_NODE_MIX_RGB,
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/* name */ "Mix",
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/* width+range */ 100, 60, 150,
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/* class+opts */ NODE_CLASS_OP_COLOR, NODE_OPTIONS,
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/* input sock */ sh_node_mix_rgb_in,
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/* output sock */ sh_node_mix_rgb_out,
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/* storage */ "",
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/* execfunc */ node_shader_exec_mix_rgb,
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/* butfunc */ node_buts_mix_rgb,
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NULL
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};
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