130 lines
3.9 KiB
C
130 lines
3.9 KiB
C
/*
|
|
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* The Original Code is Copyright (C) 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_("Bricks 1"), 0.596f, 0.282f, 0.0f, 1.0f},
|
|
{SOCK_RGBA, N_("Bricks 2"), 0.632f, 0.504f, 0.05f, 1.0f},
|
|
{SOCK_RGBA, N_("Mortar"), 0.0f, 0.0f, 0.0f, 1.0f},
|
|
{SOCK_FLOAT, N_("Thickness"), 0.02f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_UNSIGNED},
|
|
{SOCK_FLOAT, N_("Bias"), 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 1.0f, PROP_NONE},
|
|
{SOCK_FLOAT, N_("Brick Width"), 0.5f, 0.0f, 0.0f, 0.0f, 0.001f, 99.0f, PROP_UNSIGNED},
|
|
{SOCK_FLOAT, N_("Row Height"), 0.25f, 0.0f, 0.0f, 0.0f, 0.001f, 99.0f, PROP_UNSIGNED},
|
|
{-1, ""},
|
|
};
|
|
static bNodeSocketTemplate outputs[] = {
|
|
{SOCK_RGBA, N_("Color")},
|
|
{-1, ""},
|
|
};
|
|
|
|
static void init(bNodeTree *UNUSED(ntree), bNode *node)
|
|
{
|
|
node->custom3 = 0.5; /* offset */
|
|
node->custom4 = 1.0; /* squash */
|
|
}
|
|
|
|
static float noise(int n) /* fast integer noise */
|
|
{
|
|
int nn;
|
|
n = (n >> 13) ^ n;
|
|
nn = (n * (n * n * 60493 + 19990303) + 1376312589) & 0x7fffffff;
|
|
return 0.5f * ((float)nn / 1073741824.0f);
|
|
}
|
|
|
|
static void colorfn(float *out, TexParams *p, bNode *node, bNodeStack **in, short thread)
|
|
{
|
|
const float *co = p->co;
|
|
|
|
float x = co[0];
|
|
float y = co[1];
|
|
|
|
int bricknum, rownum;
|
|
float offset = 0;
|
|
float ins_x, ins_y;
|
|
float tint;
|
|
|
|
float bricks1[4];
|
|
float bricks2[4];
|
|
float mortar[4];
|
|
|
|
float mortar_thickness = tex_input_value(in[3], p, thread);
|
|
float bias = tex_input_value(in[4], p, thread);
|
|
float brick_width = tex_input_value(in[5], p, thread);
|
|
float row_height = tex_input_value(in[6], p, thread);
|
|
|
|
tex_input_rgba(bricks1, in[0], p, thread);
|
|
tex_input_rgba(bricks2, in[1], p, thread);
|
|
tex_input_rgba(mortar, in[2], p, thread);
|
|
|
|
rownum = (int)floor(y / row_height);
|
|
|
|
if (node->custom1 && node->custom2) {
|
|
brick_width *= ((int)(rownum) % node->custom2) ? 1.0f : node->custom4; /* squash */
|
|
offset = ((int)(rownum) % node->custom1) ? 0 : (brick_width * node->custom3); /* offset */
|
|
}
|
|
|
|
bricknum = (int)floor((x + offset) / brick_width);
|
|
|
|
ins_x = (x + offset) - brick_width * bricknum;
|
|
ins_y = y - row_height * rownum;
|
|
|
|
tint = noise((rownum << 16) + (bricknum & 0xFFFF)) + bias;
|
|
CLAMP(tint, 0.0f, 1.0f);
|
|
|
|
if (ins_x < mortar_thickness || ins_y < mortar_thickness ||
|
|
ins_x > (brick_width - mortar_thickness) || ins_y > (row_height - mortar_thickness)) {
|
|
copy_v4_v4(out, mortar);
|
|
}
|
|
else {
|
|
copy_v4_v4(out, bricks1);
|
|
ramp_blend(MA_RAMP_BLEND, out, tint, bricks2);
|
|
}
|
|
}
|
|
|
|
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_bricks(void)
|
|
{
|
|
static bNodeType ntype;
|
|
|
|
tex_node_type_base(&ntype, TEX_NODE_BRICKS, "Bricks", NODE_CLASS_PATTERN, NODE_PREVIEW);
|
|
node_type_socket_templates(&ntype, inputs, outputs);
|
|
node_type_size_preset(&ntype, NODE_SIZE_MIDDLE);
|
|
node_type_init(&ntype, init);
|
|
node_type_exec(&ntype, NULL, NULL, exec);
|
|
|
|
nodeRegisterType(&ntype);
|
|
}
|