diff options
Diffstat (limited to 'source/blender/nodes/texture/nodes/node_texture_bricks.c')
| -rw-r--r-- | source/blender/nodes/texture/nodes/node_texture_bricks.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/source/blender/nodes/texture/nodes/node_texture_bricks.c b/source/blender/nodes/texture/nodes/node_texture_bricks.c new file mode 100644 index 00000000000..060ed791871 --- /dev/null +++ b/source/blender/nodes/texture/nodes/node_texture_bricks.c @@ -0,0 +1,134 @@ +/* + * + * ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2005 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): Robin Allen + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/nodes/texture/nodes/node_texture_bricks.c + * \ingroup texnodes + */ + + +#include "node_texture_util.h" +#include "NOD_texture.h" + +#include <math.h> + +static bNodeSocketTemplate inputs[]= { + { SOCK_RGBA, 1, "Bricks 1", 0.596f, 0.282f, 0.0f, 1.0f }, + { SOCK_RGBA, 1, "Bricks 2", 0.632f, 0.504f, 0.05f, 1.0f }, + { SOCK_RGBA, 1, "Mortar", 0.0f, 0.0f, 0.0f, 1.0f }, + { SOCK_FLOAT, 1, "Thickness", 0.02f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_UNSIGNED }, + { SOCK_FLOAT, 1, "Bias", 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 1.0f, PROP_NONE }, + { SOCK_FLOAT, 1, "Brick Width", 0.5f, 0.0f, 0.0f, 0.0f, 0.001f, 99.0f, PROP_UNSIGNED }, + { SOCK_FLOAT, 1, "Row Height", 0.25f, 0.0f, 0.0f, 0.0f, 0.001f, 99.0f, PROP_UNSIGNED }, + { -1, 0, "" } +}; +static bNodeSocketTemplate outputs[]= { + { SOCK_RGBA, 0, "Color"}, + { -1, 0, "" } +}; + +static void init(bNodeTree *UNUSED(ntree), bNode* node, bNodeTemplate *UNUSED(ntemp)) +{ + 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) +{ + 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) ) { + QUATCOPY( out, mortar ); + } else { + QUATCOPY( out, bricks1 ); + ramp_blend( MA_RAMP_BLEND, out, out+1, out+2, tint, bricks2 ); + } +} + +static void exec(void *data, bNode *node, bNodeStack **in, bNodeStack **out) +{ + tex_output(node, in, out[0], &colorfn, data); +} + +void register_node_type_tex_bricks(ListBase *lb) +{ + static bNodeType ntype; + + node_type_base(&ntype, TEX_NODE_BRICKS, "Bricks", NODE_CLASS_PATTERN, NODE_PREVIEW|NODE_OPTIONS); + node_type_socket_templates(&ntype, inputs, outputs); + node_type_size(&ntype, 150, 60, 150); + node_type_init(&ntype, init); + node_type_exec(&ntype, exec); + + nodeRegisterType(lb, &ntype); +} |