Remove core::list and replace uses with std::list (#105)

This commit is contained in:
paradust7
2022-05-21 15:00:32 -07:00
committed by GitHub
parent 3e81f38098
commit 128cf1696c
15 changed files with 200 additions and 694 deletions

View File

@ -6,7 +6,6 @@
#define __I_GUI_ELEMENT_H_INCLUDED__
#include "IReferenceCounted.h"
#include "irrList.h"
#include "rect.h"
#include "irrString.h"
#include "IEventReceiver.h"
@ -14,6 +13,10 @@
#include "EGUIAlignment.h"
#include "IAttributes.h"
#include "IGUIEnvironment.h"
#include <cassert>
#include <algorithm>
#include <list>
#include <vector>
namespace irr
{
@ -50,12 +53,9 @@ public:
//! Destructor
virtual ~IGUIElement()
{
// delete all children
core::list<IGUIElement*>::Iterator it = Children.begin();
for (; it != Children.end(); ++it)
{
(*it)->Parent = 0;
(*it)->drop();
for (auto child : Children) {
child->Parent = nullptr;
child->drop();
}
}
@ -239,10 +239,9 @@ public:
recalculateAbsolutePosition(false);
// update all children
core::list<IGUIElement*>::Iterator it = Children.begin();
for (; it != Children.end(); ++it)
for (auto child : Children)
{
(*it)->updateAbsolutePosition();
child->updateAbsolutePosition();
}
}
@ -263,20 +262,19 @@ public:
{
IGUIElement* target = 0;
// we have to search from back to front, because later children
// might be drawn over the top of earlier ones.
core::list<IGUIElement*>::ConstIterator it = Children.getLast();
if (isVisible())
{
while(it != Children.end())
// we have to search from back to front, because later children
// might be drawn over the top of earlier ones.
auto it = Children.rbegin();
auto ie = Children.rend();
while (it != ie)
{
target = (*it)->getElementFromPoint(point);
if (target)
return target;
--it;
++it;
}
}
@ -308,17 +306,19 @@ public:
//! Removes a child.
virtual void removeChild(IGUIElement* child)
{
core::list<IGUIElement*>::Iterator it = Children.begin();
for (; it != Children.end(); ++it)
if ((*it) == child)
{
(*it)->Parent = 0;
(*it)->drop();
Children.erase(it);
return;
}
assert(child->Parent == this);
Children.erase(child->ParentPos);
child->Parent = nullptr;
child->drop();
}
//! Removes all children.
virtual void removeAllChildren() {
while (!Children.empty()) {
auto child = Children.back();
child->remove();
}
}
//! Removes this element from its parent.
virtual void remove()
@ -333,9 +333,8 @@ public:
{
if ( isVisible() )
{
core::list<IGUIElement*>::Iterator it = Children.begin();
for (; it != Children.end(); ++it)
(*it)->draw();
for (auto child : Children)
child->draw();
}
}
@ -345,9 +344,8 @@ public:
{
if ( isVisible() )
{
core::list<IGUIElement*>::Iterator it = Children.begin();
for (; it != Children.end(); ++it)
(*it)->OnPostRender( timeMs );
for (auto child : Children)
child->OnPostRender( timeMs );
}
}
@ -555,20 +553,15 @@ public:
//! Brings a child to front
/** \return True if successful, false if not. */
virtual bool bringToFront(IGUIElement* element)
virtual bool bringToFront(IGUIElement* child)
{
core::list<IGUIElement*>::Iterator it = Children.begin();
for (; it != Children.end(); ++it)
{
if (element == (*it))
{
Children.erase(it);
Children.push_back(element);
return true;
}
}
return false;
if (child->Parent != this)
return false;
if (std::next(child->ParentPos) == Children.end()) // already there
return true;
Children.erase(child->ParentPos);
child->ParentPos = Children.insert(Children.end(), child);
return true;
}
@ -576,24 +569,17 @@ public:
/** \return True if successful, false if not. */
virtual bool sendToBack(IGUIElement* child)
{
core::list<IGUIElement*>::Iterator it = Children.begin();
if (child == (*it)) // already there
if (child->Parent != this)
return false;
if (child->ParentPos == Children.begin()) // already there
return true;
for (; it != Children.end(); ++it)
{
if (child == (*it))
{
Children.erase(it);
Children.push_front(child);
return true;
}
}
return false;
Children.erase(child->ParentPos);
child->ParentPos = Children.insert(Children.begin(), child);
return true;
}
//! Returns list with children of this element
virtual const core::list<IGUIElement*>& getChildren() const
virtual const std::list<IGUIElement*>& getChildren() const
{
return Children;
}
@ -610,14 +596,13 @@ public:
{
IGUIElement* e = 0;
core::list<IGUIElement*>::ConstIterator it = Children.begin();
for (; it != Children.end(); ++it)
for (auto child : Children)
{
if ((*it)->getID() == id)
return (*it);
if (child->getID() == id)
return child;
if (searchchildren)
e = (*it)->getElementFromId(id, true);
e = child->getElementFromId(id, true);
if (e)
return e;
@ -663,7 +648,7 @@ public:
if (wanted==-2)
wanted = 1073741824; // maximum s32
core::list<IGUIElement*>::ConstIterator it = Children.begin();
auto it = Children.begin();
s32 closestOrder, currentOrder;
@ -806,10 +791,40 @@ protected:
child->remove(); // remove from old parent
child->LastParentRect = getAbsolutePosition();
child->Parent = this;
Children.push_back(child);
child->ParentPos = Children.insert(Children.end(), child);
}
}
#ifndef NDEBUG
template<typename Iterator>
static size_t _fastSetChecksum(Iterator begin, Iterator end) {
std::hash<typename Iterator::value_type> hasher;
size_t checksum = 0;
for (Iterator it = begin; it != end; ++it) {
size_t h = hasher(*it);
checksum ^= 966073049 + (h * 3432918353) + ((h >> 16) * 461845907);
}
return checksum;
}
#endif
// Reorder children [from, to) to the order given by `neworder`
void reorderChildren(
std::list<IGUIElement*>::iterator from,
std::list<IGUIElement*>::iterator to,
const std::vector<IGUIElement*> &neworder)
{
assert(_fastSetChecksum(from, to) == _fastSetChecksum(neworder.begin(), neworder.end()));
for (auto e : neworder)
{
*from = e;
e->ParentPos = from;
++from;
}
assert(from == to);
}
// not virtual because needed in constructor
void recalculateAbsolutePosition(bool recursive)
{
@ -931,10 +946,9 @@ protected:
if ( recursive )
{
// update all children
core::list<IGUIElement*>::Iterator it = Children.begin();
for (; it != Children.end(); ++it)
for (auto child : Children)
{
(*it)->recalculateAbsolutePosition(recursive);
child->recalculateAbsolutePosition(recursive);
}
}
}
@ -942,11 +956,14 @@ protected:
protected:
//! List of all children of this element
core::list<IGUIElement*> Children;
std::list<IGUIElement*> Children;
//! Pointer to the parent
IGUIElement* Parent;
//! Our position in the parent list. Only valid when Parent != nullptr
std::list<IGUIElement*>::iterator ParentPos;
//! relative rect of element
core::rect<s32> RelativeRect;

View File

@ -13,8 +13,8 @@
#include "irrString.h"
#include "aabbox3d.h"
#include "matrix4.h"
#include "irrList.h"
#include "IAttributes.h"
#include <list>
namespace irr
{
@ -24,7 +24,7 @@ namespace scene
class ISceneManager;
//! Typedef for list of scene nodes
typedef core::list<ISceneNode*> ISceneNodeList;
typedef std::list<ISceneNode*> ISceneNodeList;
//! Scene node interface.
/** A scene node is a node in the hierarchical scene graph. Every scene
@ -81,7 +81,7 @@ namespace scene
{
if (IsVisible)
{
ISceneNodeList::Iterator it = Children.begin();
ISceneNodeList::iterator it = Children.begin();
for (; it != Children.end(); ++it)
(*it)->OnRegisterSceneNode();
}
@ -103,7 +103,7 @@ namespace scene
// perform the post render process on all children
ISceneNodeList::Iterator it = Children.begin();
ISceneNodeList::iterator it = Children.begin();
for (; it != Children.end(); ++it)
(*it)->OnAnimate(timeMs);
}
@ -289,7 +289,7 @@ namespace scene
e.g. because it couldn't be found in the children list. */
virtual bool removeChild(ISceneNode* child)
{
ISceneNodeList::Iterator it = Children.begin();
ISceneNodeList::iterator it = Children.begin();
for (; it != Children.end(); ++it)
if ((*it) == child)
{
@ -309,7 +309,7 @@ namespace scene
*/
virtual void removeAll()
{
ISceneNodeList::Iterator it = Children.begin();
ISceneNodeList::iterator it = Children.begin();
for (; it != Children.end(); ++it)
{
(*it)->Parent = 0;
@ -519,7 +519,7 @@ namespace scene
//! Returns a const reference to the list of all children.
/** \return The list of all children of this node. */
const core::list<ISceneNode*>& getChildren() const
const std::list<ISceneNode*>& getChildren() const
{
return Children;
}
@ -611,7 +611,7 @@ namespace scene
// clone children
ISceneNodeList::Iterator it = toCopyFrom->Children.begin();
ISceneNodeList::iterator it = toCopyFrom->Children.begin();
for (; it != toCopyFrom->Children.end(); ++it)
(*it)->clone(this, newManager);
}
@ -622,7 +622,7 @@ namespace scene
{
SceneManager = newManager;
ISceneNodeList::Iterator it = Children.begin();
ISceneNodeList::iterator it = Children.begin();
for (; it != Children.end(); ++it)
(*it)->setSceneManager(newManager);
}
@ -646,7 +646,7 @@ namespace scene
ISceneNode* Parent;
//! List of all children of this node
core::list<ISceneNode*> Children;
std::list<ISceneNode*> Children;
//! Pointer to the scene manager
ISceneManager* SceneManager;

View File

@ -1,414 +0,0 @@
// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __IRR_LIST_H_INCLUDED__
#define __IRR_LIST_H_INCLUDED__
#include "irrTypes.h"
#include "irrAllocator.h"
#include "irrMath.h"
namespace irr
{
namespace core
{
//! Doubly linked list template.
template <class T>
class list
{
private:
//! List element node with pointer to previous and next element in the list.
struct SKListNode
{
SKListNode(const T& e) : Next(0), Prev(0), Element(e) {}
SKListNode* Next;
SKListNode* Prev;
T Element;
};
public:
class ConstIterator;
//! List iterator.
class Iterator
{
public:
Iterator() : Current(0) {}
Iterator& operator ++() { Current = Current->Next; return *this; }
Iterator& operator --() { Current = Current->Prev; return *this; }
Iterator operator ++(s32) { Iterator tmp = *this; Current = Current->Next; return tmp; }
Iterator operator --(s32) { Iterator tmp = *this; Current = Current->Prev; return tmp; }
Iterator& operator +=(s32 num)
{
if(num > 0)
{
while (num-- && this->Current != 0) ++(*this);
}
else
{
while(num++ && this->Current != 0) --(*this);
}
return *this;
}
Iterator operator + (s32 num) const { Iterator tmp = *this; return tmp += num; }
Iterator& operator -=(s32 num) { return (*this)+=(-num); }
Iterator operator - (s32 num) const { return (*this)+ (-num); }
bool operator ==(const Iterator& other) const { return Current == other.Current; }
bool operator !=(const Iterator& other) const { return Current != other.Current; }
bool operator ==(const ConstIterator& other) const { return Current == other.Current; }
bool operator !=(const ConstIterator& other) const { return Current != other.Current; }
T & operator * () { return Current->Element; }
T * operator ->() { return &Current->Element; }
private:
explicit Iterator(SKListNode* begin) : Current(begin) {}
SKListNode* Current;
friend class list<T>;
friend class ConstIterator;
};
//! List iterator for const access.
class ConstIterator
{
public:
ConstIterator() : Current(0) {}
ConstIterator(const Iterator& iter) : Current(iter.Current) {}
ConstIterator& operator ++() { Current = Current->Next; return *this; }
ConstIterator& operator --() { Current = Current->Prev; return *this; }
ConstIterator operator ++(s32) { ConstIterator tmp = *this; Current = Current->Next; return tmp; }
ConstIterator operator --(s32) { ConstIterator tmp = *this; Current = Current->Prev; return tmp; }
ConstIterator& operator +=(s32 num)
{
if(num > 0)
{
while(num-- && this->Current != 0) ++(*this);
}
else
{
while(num++ && this->Current != 0) --(*this);
}
return *this;
}
ConstIterator operator + (s32 num) const { ConstIterator tmp = *this; return tmp += num; }
ConstIterator& operator -=(s32 num) { return (*this)+=(-num); }
ConstIterator operator - (s32 num) const { return (*this)+ (-num); }
bool operator ==(const ConstIterator& other) const { return Current == other.Current; }
bool operator !=(const ConstIterator& other) const { return Current != other.Current; }
bool operator ==(const Iterator& other) const { return Current == other.Current; }
bool operator !=(const Iterator& other) const { return Current != other.Current; }
const T & operator * () { return Current->Element; }
const T * operator ->() { return &Current->Element; }
ConstIterator & operator =(const Iterator & iterator) { Current = iterator.Current; return *this; }
private:
explicit ConstIterator(SKListNode* begin) : Current(begin) {}
SKListNode* Current;
friend class Iterator;
friend class list<T>;
};
//! Default constructor for empty list.
list()
: First(0), Last(0), Size(0) {}
//! Copy constructor.
list(const list<T>& other) : First(0), Last(0), Size(0)
{
*this = other;
}
//! Destructor
~list()
{
clear();
}
//! Assignment operator
void operator=(const list<T>& other)
{
if(&other == this)
{
return;
}
clear();
SKListNode* node = other.First;
while(node)
{
push_back(node->Element);
node = node->Next;
}
}
//! Returns amount of elements in list.
/** \return Amount of elements in the list. */
u32 size() const
{
return Size;
}
u32 getSize() const
{
return Size;
}
//! Clears the list, deletes all elements in the list.
/** All existing iterators of this list will be invalid. */
void clear()
{
while(First)
{
SKListNode * next = First->Next;
allocator.destruct(First);
allocator.deallocate(First);
First = next;
}
//First = 0; handled by loop
Last = 0;
Size = 0;
}
//! Checks for empty list.
/** \return True if the list is empty and false if not. */
bool empty() const
{
return (First == 0);
}
//! Adds an element at the end of the list.
/** \param element Element to add to the list. */
void push_back(const T& element)
{
SKListNode* node = allocator.allocate(1);
allocator.construct(node, element);
++Size;
if (First == 0)
First = node;
node->Prev = Last;
if (Last != 0)
Last->Next = node;
Last = node;
}
//! Adds an element at the begin of the list.
/** \param element: Element to add to the list. */
void push_front(const T& element)
{
SKListNode* node = allocator.allocate(1);
allocator.construct(node, element);
++Size;
if (First == 0)
{
Last = node;
First = node;
}
else
{
node->Next = First;
First->Prev = node;
First = node;
}
}
//! Gets first node.
/** \return A list iterator pointing to the beginning of the list. */
Iterator begin()
{
return Iterator(First);
}
//! Gets first node.
/** \return A const list iterator pointing to the beginning of the list. */
ConstIterator begin() const
{
return ConstIterator(First);
}
//! Gets end node.
/** \return List iterator pointing to null. */
Iterator end()
{
return Iterator(0);
}
//! Gets end node.
/** \return Const list iterator pointing to null. */
ConstIterator end() const
{
return ConstIterator(0);
}
//! Gets last element.
/** \return List iterator pointing to the last element of the list. */
Iterator getLast()
{
return Iterator(Last);
}
//! Gets last element.
/** \return Const list iterator pointing to the last element of the list. */
ConstIterator getLast() const
{
return ConstIterator(Last);
}
//! Inserts an element after an element.
/** \param it Iterator pointing to element after which the new element
should be inserted.
\param element The new element to be inserted into the list.
*/
void insert_after(const Iterator& it, const T& element)
{
SKListNode* node = allocator.allocate(1);
allocator.construct(node, element);
node->Next = it.Current->Next;
if (it.Current->Next)
it.Current->Next->Prev = node;
node->Prev = it.Current;
it.Current->Next = node;
++Size;
if (it.Current == Last)
Last = node;
}
//! Inserts an element before an element.
/** \param it Iterator pointing to element before which the new element
should be inserted.
\param element The new element to be inserted into the list.
*/
void insert_before(const Iterator& it, const T& element)
{
SKListNode* node = allocator.allocate(1);
allocator.construct(node, element);
node->Prev = it.Current->Prev;
if (it.Current->Prev)
it.Current->Prev->Next = node;
node->Next = it.Current;
it.Current->Prev = node;
++Size;
if (it.Current == First)
First = node;
}
//! Erases an element.
/** \param it Iterator pointing to the element which shall be erased.
\return Iterator pointing to next element. */
Iterator erase(Iterator& it)
{
// suggest changing this to a const Iterator& and
// working around line: it.Current = 0 (possibly with a mutable, or just let it be garbage?)
Iterator returnIterator(it);
++returnIterator;
if(it.Current == First)
{
First = it.Current->Next;
}
else
{
it.Current->Prev->Next = it.Current->Next;
}
if(it.Current == Last)
{
Last = it.Current->Prev;
}
else
{
it.Current->Next->Prev = it.Current->Prev;
}
allocator.destruct(it.Current);
allocator.deallocate(it.Current);
it.Current = 0;
--Size;
return returnIterator;
}
//! Swap the content of this list container with the content of another list
/** Afterward this object will contain the content of the other object and the other
object will contain the content of this object. Iterators will afterward be valid for
the swapped object.
\param other Swap content with this object */
void swap(list<T>& other)
{
core::swap(First, other.First);
core::swap(Last, other.Last);
core::swap(Size, other.Size);
core::swap(allocator, other.allocator); // memory is still released by the same allocator used for allocation
}
typedef T value_type;
typedef u32 size_type;
private:
SKListNode* First;
SKListNode* Last;
u32 Size;
irrAllocator<SKListNode> allocator;
};
} // end namespace core
}// end namespace irr
#endif

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@ -111,7 +111,6 @@
#include "IRandomizer.h"
#include "IRenderTarget.h"
#include "IrrlichtDevice.h"
#include "irrList.h"
#include "irrMath.h"
#include "irrString.h"
#include "irrTypes.h"