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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"
/* **************** OUTPUT ******************** */
static bNodeSocketTemplate sh_node_attribute_out[] = {
{SOCK_RGBA, N_("Color")},
{SOCK_VECTOR, N_("Vector"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
{SOCK_FLOAT, N_("Fac"), 0.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX, PROP_FACTOR},
{-1, ""},
};
static void node_shader_init_attribute(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeShaderAttribute *attr = MEM_callocN(sizeof(NodeShaderAttribute), "NodeShaderAttribute");
node->storage = attr;
}
static int node_shader_gpu_attribute(GPUMaterial *mat,
bNode *node,
bNodeExecData *UNUSED(execdata),
GPUNodeStack *in,
GPUNodeStack *out)
{
NodeShaderAttribute *attr = node->storage;
if (GPU_material_is_volume_shader(mat)) {
if (out[0].hasoutput) {
out[0].link = GPU_volume_grid(mat, attr->name);
}
if (out[1].hasoutput) {
out[1].link = GPU_volume_grid(mat, attr->name);
}
if (out[2].hasoutput) {
out[2].link = GPU_volume_grid(mat, attr->name);
}
return 1;
}
else {
GPUNodeLink *cd_attr = GPU_attribute(mat, CD_AUTO_FROM_NAME, attr->name);
GPU_stack_link(mat, node, "node_attribute", in, out, cd_attr);
/* for each output. */
for (int i = 0; sh_node_attribute_out[i].type != -1; i++) {
node_shader_gpu_bump_tex_coord(mat, node, &out[i].link);
}
return 1;
}
}
/* node type definition */
void register_node_type_sh_attribute(void)
{
static bNodeType ntype;
sh_node_type_base(&ntype, SH_NODE_ATTRIBUTE, "Attribute", NODE_CLASS_INPUT, 0);
node_type_socket_templates(&ntype, NULL, sh_node_attribute_out);
node_type_init(&ntype, node_shader_init_attribute);
node_type_storage(
&ntype, "NodeShaderAttribute", node_free_standard_storage, node_copy_standard_storage);
node_type_gpu(&ntype, node_shader_gpu_attribute);
nodeRegisterType(&ntype);
}
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