78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/**
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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., 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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#include "../TEX_util.h"
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#include <math.h>
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static bNodeSocketType inputs[]= {
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{ SOCK_RGBA, 1, "Color1", 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f },
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{ SOCK_RGBA, 1, "Color2", 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f },
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{ SOCK_VALUE, 1, "Size", 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 100.0f },
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{ -1, 0, "" }
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};
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static bNodeSocketType outputs[]= {
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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 colorfn(float *out, TexParams *p, bNode *UNUSED(node), bNodeStack **in, short thread)
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{
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float x = p->co[0];
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float y = p->co[1];
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float z = p->co[2];
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float sz = tex_input_value(in[2], p, thread);
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/* 0.00001 because of unit sized stuff */
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int xi = (int)fabs(floor(0.00001 + x / sz));
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int yi = (int)fabs(floor(0.00001 + y / sz));
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int zi = (int)fabs(floor(0.00001 + z / sz));
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if( (xi % 2 == yi % 2) == (zi % 2) ) {
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tex_input_rgba(out, in[0], p, thread);
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} else {
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tex_input_rgba(out, in[1], p, thread);
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}
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}
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static void exec(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
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{
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tex_output(node, in, out[0], &colorfn, data);
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}
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void register_node_type_tex_checker(ListBase *lb)
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{
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static bNodeType ntype;
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node_type_base(&ntype, TEX_NODE_CHECKER, "Checker", NODE_CLASS_PATTERN, NODE_PREVIEW|NODE_OPTIONS,
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inputs, outputs);
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node_type_size(&ntype, 100, 60, 150);
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node_type_exec(&ntype, exec);
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nodeRegisterType(lb, &ntype);
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}
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