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Various merge conflicts have been fixed manually and some mistakes might have been made - time will tell :)
231 lines
5.2 KiB
C++
231 lines
5.2 KiB
C++
/*************************************************************************/
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/* rid.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef RID_H
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#define RID_H
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#include "safe_refcount.h"
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#include "typedefs.h"
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#include "os/memory.h"
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#include "set.h"
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#include "list.h"
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/**
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@author Juan Linietsky <reduzio@gmail.com>
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*/
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class RID_OwnerBase;
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class RID_Data {
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friend class RID_OwnerBase;
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#ifndef DEBUG_ENABLED
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RID_OwnerBase *_owner;
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#endif
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uint32_t _id;
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public:
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_FORCE_INLINE_ uint32_t get_id() const { return _id; }
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virtual ~RID_Data();
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};
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class RID {
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friend class RID_OwnerBase;
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mutable RID_Data *_data;
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public:
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_FORCE_INLINE_ RID_Data *get_data() const { return _data; }
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_FORCE_INLINE_ bool operator==(const RID& p_rid) const {
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return _data==p_rid._data;
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}
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_FORCE_INLINE_ bool operator<(const RID& p_rid) const {
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return _data < p_rid._data;
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}
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_FORCE_INLINE_ bool operator<=(const RID& p_rid) const {
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return _data <= p_rid._data;
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}
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_FORCE_INLINE_ bool operator>(const RID& p_rid) const {
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return _data > p_rid._data;
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}
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_FORCE_INLINE_ bool operator!=(const RID& p_rid) const {
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return _data!=p_rid._data;
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}
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_FORCE_INLINE_ bool is_valid() const { return _data!=NULL; }
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_FORCE_INLINE_ uint32_t get_id() const { return _data?_data->get_id():0; }
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_FORCE_INLINE_ RID() {
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_data=NULL;
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}
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};
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class RID_OwnerBase {
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protected:
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static SafeRefCount refcount;
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_FORCE_INLINE_ void _set_data(RID& p_rid, RID_Data* p_data) {
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p_rid._data=p_data;
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refcount.ref();
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p_data->_id=refcount.get();
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#ifndef DEBUG_ENABLED
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p_data->_owner=this;
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#endif
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}
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#ifndef DEBUG_ENABLED
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_FORCE_INLINE_ bool _is_owner(RID& p_rid) const {
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return this==p_rid._owner;
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}
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_FORCE_INLINE_ void _remove_owner(RID& p_rid) {
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return p_rid._owner=NULL;
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}
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#
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#endif
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public:
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virtual void get_owned_list(List<RID> *p_owned)=0;
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static void init_rid();
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virtual ~RID_OwnerBase() {}
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};
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template<class T>
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class RID_Owner : public RID_OwnerBase {
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public:
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#ifdef DEBUG_ENABLED
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mutable Set<RID_Data*> id_map;
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#endif
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public:
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_FORCE_INLINE_ RID make_rid(T * p_data) {
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RID rid;
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_set_data(rid,p_data);
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#ifdef DEBUG_ENABLED
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id_map.insert(p_data) ;
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#endif
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return rid;
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}
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_FORCE_INLINE_ T * get(const RID& p_rid) {
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#ifdef DEBUG_ENABLED
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ERR_FAIL_COND_V(!p_rid.is_valid(),NULL);
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ERR_FAIL_COND_V(!id_map.has(p_rid.get_data()),NULL);
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#endif
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return static_cast<T*>(p_rid.get_data());
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}
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_FORCE_INLINE_ T * getornull(const RID& p_rid) {
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#ifdef DEBUG_ENABLED
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if (p_rid.get_data()) {
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ERR_FAIL_COND_V(!id_map.has(p_rid.get_data()),NULL);
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}
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#endif
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return static_cast<T*>(p_rid.get_data());
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}
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_FORCE_INLINE_ T * getptr(const RID& p_rid) {
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return static_cast<T*>(p_rid.get_data());
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}
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_FORCE_INLINE_ bool owns(const RID& p_rid) const {
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if (p_rid.get_data()==NULL)
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return false;
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#ifdef DEBUG_ENABLED
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return id_map.has(p_rid.get_data());
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#else
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return _is_owner(p_rid);
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#endif
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}
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void free(RID p_rid) {
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#ifdef DEBUG_ENABLED
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id_map.erase(p_rid.get_data());
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#else
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_remove_owner(p_rid);
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#endif
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}
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void get_owned_list(List<RID> *p_owned) {
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#ifdef DEBUG_ENABLED
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for (typename Set<RID_Data*>::Element *E=id_map.front();E;E=E->next()) {
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RID r;
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_set_data(r,static_cast<T*>(E->get()));
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p_owned->push_back(r);
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}
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#endif
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}
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};
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#endif
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