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/**
* $Id$
*
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2005 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "../SHD_util.h"
/* **************** MIX RGB ******************** */
static bNodeSocketType sh_node_mix_rgb_in[]= {
{ SOCK_VALUE, 1, "Fac", 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
{ SOCK_RGBA, 1, "Color1", 0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 1.0f},
{ SOCK_RGBA, 1, "Color2", 0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static bNodeSocketType sh_node_mix_rgb_out[]= {
{ SOCK_RGBA, 0, "Color", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
static void node_shader_exec_mix_rgb(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
{
/* stack order in: fac, col1, col2 */
/* stack order out: col */
float col[3];
float fac;
float vec[3];
nodestack_get_vec(&fac, SOCK_VALUE, in[0]);
CLAMP(fac, 0.0f, 1.0f);
nodestack_get_vec(col, SOCK_VECTOR, in[1]);
nodestack_get_vec(vec, SOCK_VECTOR, in[2]);
ramp_blend(node->custom1, col, col+1, col+2, fac, vec);
VECCOPY(out[0]->vec, col);
}
bNodeType sh_node_mix_rgb= {
/* *next,*prev */ NULL, NULL,
/* type code */ SH_NODE_MIX_RGB,
/* name */ "Mix",
/* width+range */ 100, 60, 150,
/* class+opts */ NODE_CLASS_OP_COLOR, NODE_OPTIONS,
/* input sock */ sh_node_mix_rgb_in,
/* output sock */ sh_node_mix_rgb_out,
/* storage */ "",
/* execfunc */ node_shader_exec_mix_rgb,
/* butfunc */ NULL,
/* initfunc */ NULL,
/* freestoragefunc */ NULL,
/* copystoragefunc */ NULL,
/* id */ NULL
};
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