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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2005 Blender Foundation. All rights reserved. */
/** \file
* \ingroup texnodes
*/
#include "NOD_texture.h"
#include "node_texture_util.h"
#include <math.h>
static bNodeSocketTemplate inputs[] = {
{SOCK_RGBA, N_("Color1"), 1.0f, 0.0f, 0.0f, 1.0f},
{SOCK_RGBA, N_("Color2"), 1.0f, 1.0f, 1.0f, 1.0f},
{SOCK_FLOAT, N_("Size"), 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 100.0f, PROP_UNSIGNED},
{-1, ""},
};
static bNodeSocketTemplate outputs[] = {
{SOCK_RGBA, N_("Color")},
{-1, ""},
};
static void colorfn(float *out, TexParams *p, bNode *UNUSED(node), bNodeStack **in, short thread)
{
float x = p->co[0];
float y = p->co[1];
float z = p->co[2];
float sz = tex_input_value(in[2], p, thread);
/* 0.00001 because of unit sized stuff */
int xi = (int)fabs(floor(0.00001f + x / sz));
int yi = (int)fabs(floor(0.00001f + y / sz));
int zi = (int)fabs(floor(0.00001f + z / sz));
if ((xi % 2 == yi % 2) == (zi % 2)) {
tex_input_rgba(out, in[0], p, thread);
}
else {
tex_input_rgba(out, in[1], p, thread);
}
}
static void exec(void *data,
int UNUSED(thread),
bNode *node,
bNodeExecData *execdata,
bNodeStack **in,
bNodeStack **out)
{
tex_output(node, execdata, in, out[0], &colorfn, data);
}
void register_node_type_tex_checker(void)
{
static bNodeType ntype;
tex_node_type_base(&ntype, TEX_NODE_CHECKER, "Checker", NODE_CLASS_PATTERN);
node_type_socket_templates(&ntype, inputs, outputs);
node_type_exec(&ntype, NULL, NULL, exec);
ntype.flag |= NODE_PREVIEW;
nodeRegisterType(&ntype);
}
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