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/*
* 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.
*/
#include "../node_shader_util.h"
/* **************** VORONOI ******************** */
static bNodeSocketTemplate sh_node_tex_voronoi_in[] = {
{ SOCK_VECTOR, 1, N_("Vector"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
{ SOCK_FLOAT, 1, N_("Scale"), 5.0f, 0.0f, 0.0f, 0.0f, -1000.0f, 1000.0f},
{ SOCK_FLOAT, 1, N_("Exponent"), 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 32.0f},
{ -1, 0, "" }
};
static bNodeSocketTemplate sh_node_tex_voronoi_out[] = {
{ SOCK_RGBA, 0, N_("Color"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_NO_INTERNAL_LINK},
{ SOCK_FLOAT, 0, N_("Fac"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR, SOCK_NO_INTERNAL_LINK},
{ -1, 0, "" }
};
static void node_shader_init_tex_voronoi(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeTexVoronoi *tex = MEM_callocN(sizeof(NodeTexVoronoi), "NodeTexVoronoi");
BKE_texture_mapping_default(&tex->base.tex_mapping, TEXMAP_TYPE_POINT);
BKE_texture_colormapping_default(&tex->base.color_mapping);
tex->coloring = SHD_VORONOI_INTENSITY;
tex->distance = SHD_VORONOI_DISTANCE;
tex->feature = SHD_VORONOI_F1;
node->storage = tex;
}
static int node_shader_gpu_tex_voronoi(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
if (!in[0].link) {
in[0].link = GPU_attribute(CD_ORCO, "");
GPU_link(mat, "generated_texco", GPU_builtin(GPU_VIEW_POSITION), in[0].link, &in[0].link);
}
node_shader_gpu_tex_mapping(mat, node, in, out);
NodeTexVoronoi *tex = (NodeTexVoronoi *)node->storage;
float coloring = tex->coloring;
float metric = tex->distance;
float feature = tex->feature;
return GPU_stack_link(mat, node, "node_tex_voronoi", in, out, GPU_constant(&coloring), GPU_constant(&metric), GPU_constant(&feature));
}
static void node_shader_update_tex_voronoi(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeTexVoronoi *tex = (NodeTexVoronoi *)node->storage;
bNodeSocket *sock;
for (sock = node->inputs.first; sock; sock = sock->next) {
if (STREQ(sock->name, "Exponent")) {
if (tex->distance == SHD_VORONOI_MINKOWSKI) {
sock->flag &= ~SOCK_UNAVAIL;
}
else {
sock->flag |= SOCK_UNAVAIL;
}
}
}
}
/* node type definition */
void register_node_type_sh_tex_voronoi(void)
{
static bNodeType ntype;
sh_node_type_base(&ntype, SH_NODE_TEX_VORONOI, "Voronoi Texture", NODE_CLASS_TEXTURE, 0);
node_type_socket_templates(&ntype, sh_node_tex_voronoi_in, sh_node_tex_voronoi_out);
node_type_init(&ntype, node_shader_init_tex_voronoi);
node_type_storage(&ntype, "NodeTexVoronoi", node_free_standard_storage, node_copy_standard_storage);
node_type_gpu(&ntype, node_shader_gpu_tex_voronoi);
node_type_update(&ntype, node_shader_update_tex_voronoi, NULL);
nodeRegisterType(&ntype);
}
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