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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, 0, N_("Color")},
{ SOCK_VECTOR, 0, N_("Vector"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
{ SOCK_FLOAT, 0, N_("Fac"), 0.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX, PROP_FACTOR},
{ -1, 0, "" }
};
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;
/* FIXME : if an attribute layer (like vertex color) has one of theses name, it will not work as expected. */
if (strcmp(attr->name, "density") == 0) {
return GPU_stack_link(mat, node, "node_attribute_volume_density", in, out,
GPU_builtin(GPU_VOLUME_DENSITY));
}
else if (strcmp(attr->name, "color") == 0) {
return GPU_stack_link(mat, node, "node_attribute_volume_color", in, out,
GPU_builtin(GPU_VOLUME_DENSITY));
}
else if (strcmp(attr->name, "flame") == 0) {
return GPU_stack_link(mat, node, "node_attribute_volume_flame", in, out,
GPU_builtin(GPU_VOLUME_FLAME));
}
else if (strcmp(attr->name, "temperature") == 0) {
return GPU_stack_link(mat, node, "node_attribute_volume_temperature", in, out,
GPU_builtin(GPU_VOLUME_FLAME),
GPU_builtin(GPU_VOLUME_TEMPERATURE));
}
else {
GPUNodeLink *cd_attr = GPU_attribute(CD_AUTO_FROM_NAME, attr->name);
return GPU_stack_link(mat, node, "node_attribute", in, out, cd_attr);
}
}
/* 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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