node_shader_particle_info.c

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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"
#include "RE_texture.h"
 
static bNodeSocketTemplate outputs[] = {
    {SOCK_FLOAT, "Index"},
    {SOCK_FLOAT, "Random"},
    {SOCK_FLOAT, "Age"},
    {SOCK_FLOAT, "Lifetime"},
    {SOCK_VECTOR, "Location"},
#if 0 /* quaternion sockets not yet supported */
    {SOCK_QUATERNION, "Rotation"},
#endif
    {SOCK_FLOAT, "Size"},
    {SOCK_VECTOR, "Velocity"},
    {SOCK_VECTOR, "Angular Velocity"},
    {-1, ""},
};
static void node_shader_exec_particle_info(void *UNUSED(data),
                                           int UNUSED(thread),
                                           bNode *UNUSED(node),
                                           bNodeExecData *UNUSED(execdata),
                                           bNodeStack **UNUSED(in),
                                           bNodeStack **UNUSED(out))
{
}
 
static int gpu_shader_particle_info(GPUMaterial *mat,
                                    bNode *node,
                                    bNodeExecData *UNUSED(execdata),
                                    GPUNodeStack *in,
                                    GPUNodeStack *out)
{
 
  return GPU_stack_link(mat,
                        node,
                        "particle_info",
                        in,
                        out,
                        GPU_builtin(GPU_PARTICLE_SCALAR_PROPS),
                        GPU_builtin(GPU_PARTICLE_LOCATION),
                        GPU_builtin(GPU_PARTICLE_VELOCITY),
                        GPU_builtin(GPU_PARTICLE_ANG_VELOCITY));
}
 
/* node type definition */
void register_node_type_sh_particle_info(void)
{
  static bNodeType ntype;
 
  sh_node_type_base(&ntype, SH_NODE_PARTICLE_INFO, "Particle Info", NODE_CLASS_INPUT, 0);
  node_type_socket_templates(&ntype, NULL, outputs);
  node_type_exec(&ntype, NULL, NULL, node_shader_exec_particle_info);
  node_type_gpu(&ntype, gpu_shader_particle_info);
 
  nodeRegisterType(&ntype);
}