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blender-archive/source/blender/nodes/NOD_function.h
Jacques Lucke 8369adabc0 Particles: initial object socket and emitter node support
Object sockets work now, but only the new Object Transforms and the
Particle Mesh Emitter node use it. The emitter does not actually
use the mesh surface yet. Instead, new particles are just emitted around
the origin of the object.

Internally, handles to object data blocks are passed around in the network,
instead of raw object pointers. Using handles has a couple of benefits:
* The caller of the function has control over which handles can be resolved
  and therefore limit access to specific data. The set of data blocks that
  is accessed by a node tree should be known statically. This is necessary
  for a proper integration with the dependency graph.
* When the pointer to an object changes (e.g. after restarting Blender),
  all handles are still valid.
* When an object is deleted, the handle is invalidated without causing crashes.
* The handle is just an integer that can be stored per particle and can be cached easily.

The mapping between handles and their corresponding data blocks is
stored in the Simulation data block.
2020-07-21 17:35:09 +02:00

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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.
*/
#ifndef __NOD_FUNCTION_H__
#define __NOD_FUNCTION_H__
#ifdef __cplusplus
extern "C" {
#endif
void register_node_type_fn_boolean_math(void);
void register_node_type_fn_float_compare(void);
void register_node_type_fn_switch(void);
void register_node_type_fn_group_instance_id(void);
void register_node_type_fn_combine_strings(void);
void register_node_type_fn_object_transforms(void);
#ifdef __cplusplus
}
#endif
#endif /* __NOD_FUNCTION_H__ */