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depsgraph_intern.h « intern « depsgraph « blender « source - git.blender.org/blender.git - Unnamed repository; edit this file 'description' to name the repository.
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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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) 2013 Blender Foundation.
 * All rights reserved.
 *
 * Original Author: Joshua Leung
 * Contributor(s): None Yet
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/depsgraph/intern/depsgraph_intern.h
 *  \ingroup depsgraph
 *
 * API's for internal use in the Depsgraph
 * - Also, defines for "Node Type Info"
 */

#pragma once

#include <cstdlib>

#include "MEM_guardedalloc.h"

extern "C" {
#include "BKE_global.h"
}

#include "intern/nodes/deg_node.h"
#include "intern/nodes/deg_node_component.h"
#include "intern/nodes/deg_node_operation.h"
#include "intern/depsgraph.h"

struct Main;
struct Group;
struct Scene;

namespace DEG {

/* Node Types Handling ================================================= */

/* "Typeinfo" for Node Types ------------------------------------------- */

/* Typeinfo Struct (nti) */
struct DepsNodeFactory {
	virtual eDepsNode_Type type() const = 0;
	virtual eDepsNode_Class tclass() const = 0;
	virtual const char *tname() const = 0;

	virtual DepsNode *create_node(const ID *id,
	                              const char *subdata,
	                              const char *name) const = 0;
};

template <class NodeType>
struct DepsNodeFactoryImpl : public DepsNodeFactory {
	eDepsNode_Type type() const { return NodeType::typeinfo.type; }
	eDepsNode_Class tclass() const { return NodeType::typeinfo.tclass; }
	const char *tname() const { return NodeType::typeinfo.tname; }

	DepsNode *create_node(const ID *id, const char *subdata, const char *name) const
	{
		DepsNode *node = OBJECT_GUARDED_NEW(NodeType);

		/* populate base node settings */
		node->type = type();
		node->tclass = tclass();

		if (name[0] != '\0') {
			/* set name if provided ... */
			node->name = name;
		}
		else {
			/* ... otherwise use default type name */
			node->name = tname();
		}

		node->init(id, subdata);

		return node;
	}
};

/* Typeinfo Management -------------------------------------------------- */

/* Register typeinfo */
void deg_register_node_typeinfo(DepsNodeFactory *factory);

/* Get typeinfo for specified type */
DepsNodeFactory *deg_get_node_factory(const eDepsNode_Type type);

/* Get typeinfo for provided node */
DepsNodeFactory *deg_node_get_factory(const DepsNode *node);

/* Editors Integration -------------------------------------------------- */

void deg_editors_id_update(struct Main *bmain, struct ID *id);

void deg_editors_scene_update(struct Main *bmain, struct Scene *scene, bool updated);

/* Tagging helpers ------------------------------------------------------ */

void lib_id_recalc_tag(struct Main *bmain, struct ID *id);
void lib_id_recalc_data_tag(struct Main *bmain, struct ID *id);

#define DEG_DEBUG_PRINTF(...)               \
	do {                                    \
		if (G.debug & G_DEBUG_DEPSGRAPH) {  \
			fprintf(stderr, __VA_ARGS__);   \
			fflush(stderr);                 \
		}                                   \
	} while (0)

#define DEG_ERROR_PRINTF(...)               \
	do {                                    \
		fprintf(stderr, __VA_ARGS__);       \
		fflush(stderr);                     \
	} while (0)

}  // namespace DEG