Remove unused Bullet module and thirdparty code

It has been disabled in `master` since one year (#45852) and our plan
is for Bullet, and possibly other thirdparty physics engines, to be
implemented via GDExtension so that they can be selected by the users
who need them.

1 files changed, 0 insertions, 611 deletions

diff --git a/thirdparty/bullet/BulletCollision/BroadphaseCollision/btOverlappingPairCache.cpp b/thirdparty/bullet/BulletCollision/BroadphaseCollision/btOverlappingPairCache.cpp
deleted file mode 100644
index 8ce1087c9f..0000000000
--- a/thirdparty/bullet/BulletCollision/BroadphaseCollision/btOverlappingPairCache.cpp
+++ /dev/null
@@ -1,611 +0,0 @@
-/*
-Bullet Continuous Collision Detection and Physics Library
-Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
-
-This software is provided 'as-is', without any express or implied warranty.
-In no event will the authors be held liable for any damages arising from the use of this software.
-Permission is granted to anyone to use this software for any purpose, 
-including commercial applications, and to alter it and redistribute it freely, 
-subject to the following restrictions:
-
-1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
-2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
-3. This notice may not be removed or altered from any source distribution.
-*/
-
-#include "btOverlappingPairCache.h"
-
-#include "btDispatcher.h"
-#include "btCollisionAlgorithm.h"
-#include "LinearMath/btAabbUtil2.h"
-
-#include <stdio.h>
-
-btHashedOverlappingPairCache::btHashedOverlappingPairCache() : m_overlapFilterCallback(0),
-															   m_ghostPairCallback(0)
-{
-	int initialAllocatedSize = 2;
-	m_overlappingPairArray.reserve(initialAllocatedSize);
-	growTables();
-}
-
-btHashedOverlappingPairCache::~btHashedOverlappingPairCache()
-{
-}
-
-void btHashedOverlappingPairCache::cleanOverlappingPair(btBroadphasePair& pair, btDispatcher* dispatcher)
-{
-	if (pair.m_algorithm && dispatcher)
-	{
-		{
-			pair.m_algorithm->~btCollisionAlgorithm();
-			dispatcher->freeCollisionAlgorithm(pair.m_algorithm);
-			pair.m_algorithm = 0;
-		}
-	}
-}
-
-void btHashedOverlappingPairCache::cleanProxyFromPairs(btBroadphaseProxy* proxy, btDispatcher* dispatcher)
-{
-	class CleanPairCallback : public btOverlapCallback
-	{
-		btBroadphaseProxy* m_cleanProxy;
-		btOverlappingPairCache* m_pairCache;
-		btDispatcher* m_dispatcher;
-
-	public:
-		CleanPairCallback(btBroadphaseProxy* cleanProxy, btOverlappingPairCache* pairCache, btDispatcher* dispatcher)
-			: m_cleanProxy(cleanProxy),
-			  m_pairCache(pairCache),
-			  m_dispatcher(dispatcher)
-		{
-		}
-		virtual bool processOverlap(btBroadphasePair& pair)
-		{
-			if ((pair.m_pProxy0 == m_cleanProxy) ||
-				(pair.m_pProxy1 == m_cleanProxy))
-			{
-				m_pairCache->cleanOverlappingPair(pair, m_dispatcher);
-			}
-			return false;
-		}
-	};
-
-	CleanPairCallback cleanPairs(proxy, this, dispatcher);
-
-	processAllOverlappingPairs(&cleanPairs, dispatcher);
-}
-
-void btHashedOverlappingPairCache::removeOverlappingPairsContainingProxy(btBroadphaseProxy* proxy, btDispatcher* dispatcher)
-{
-	class RemovePairCallback : public btOverlapCallback
-	{
-		btBroadphaseProxy* m_obsoleteProxy;
-
-	public:
-		RemovePairCallback(btBroadphaseProxy* obsoleteProxy)
-			: m_obsoleteProxy(obsoleteProxy)
-		{
-		}
-		virtual bool processOverlap(btBroadphasePair& pair)
-		{
-			return ((pair.m_pProxy0 == m_obsoleteProxy) ||
-					(pair.m_pProxy1 == m_obsoleteProxy));
-		}
-	};
-
-	RemovePairCallback removeCallback(proxy);
-
-	processAllOverlappingPairs(&removeCallback, dispatcher);
-}
-
-btBroadphasePair* btHashedOverlappingPairCache::findPair(btBroadphaseProxy* proxy0, btBroadphaseProxy* proxy1)
-{
-	if (proxy0->m_uniqueId > proxy1->m_uniqueId)
-		btSwap(proxy0, proxy1);
-	int proxyId1 = proxy0->getUid();
-	int proxyId2 = proxy1->getUid();
-
-	/*if (proxyId1 > proxyId2)
-		btSwap(proxyId1, proxyId2);*/
-
-	int hash = static_cast<int>(getHash(static_cast<unsigned int>(proxyId1), static_cast<unsigned int>(proxyId2)) & (m_overlappingPairArray.capacity() - 1));
-
-	if (hash >= m_hashTable.size())
-	{
-		return NULL;
-	}
-
-	int index = m_hashTable[hash];
-	while (index != BT_NULL_PAIR && equalsPair(m_overlappingPairArray[index], proxyId1, proxyId2) == false)
-	{
-		index = m_next[index];
-	}
-
-	if (index == BT_NULL_PAIR)
-	{
-		return NULL;
-	}
-
-	btAssert(index < m_overlappingPairArray.size());
-
-	return &m_overlappingPairArray[index];
-}
-
-//#include <stdio.h>
-
-void btHashedOverlappingPairCache::growTables()
-{
-	int newCapacity = m_overlappingPairArray.capacity();
-
-	if (m_hashTable.size() < newCapacity)
-	{
-		//grow hashtable and next table
-		int curHashtableSize = m_hashTable.size();
-
-		m_hashTable.resize(newCapacity);
-		m_next.resize(newCapacity);
-
-		int i;
-
-		for (i = 0; i < newCapacity; ++i)
-		{
-			m_hashTable[i] = BT_NULL_PAIR;
-		}
-		for (i = 0; i < newCapacity; ++i)
-		{
-			m_next[i] = BT_NULL_PAIR;
-		}
-
-		for (i = 0; i < curHashtableSize; i++)
-		{
-			const btBroadphasePair& pair = m_overlappingPairArray[i];
-			int proxyId1 = pair.m_pProxy0->getUid();
-			int proxyId2 = pair.m_pProxy1->getUid();
-			/*if (proxyId1 > proxyId2) 
-				btSwap(proxyId1, proxyId2);*/
-			int hashValue = static_cast<int>(getHash(static_cast<unsigned int>(proxyId1), static_cast<unsigned int>(proxyId2)) & (m_overlappingPairArray.capacity() - 1));  // New hash value with new mask
-			m_next[i] = m_hashTable[hashValue];
-			m_hashTable[hashValue] = i;
-		}
-	}
-}
-
-btBroadphasePair* btHashedOverlappingPairCache::internalAddPair(btBroadphaseProxy* proxy0, btBroadphaseProxy* proxy1)
-{
-	if (proxy0->m_uniqueId > proxy1->m_uniqueId)
-		btSwap(proxy0, proxy1);
-	int proxyId1 = proxy0->getUid();
-	int proxyId2 = proxy1->getUid();
-
-	/*if (proxyId1 > proxyId2) 
-		btSwap(proxyId1, proxyId2);*/
-
-	int hash = static_cast<int>(getHash(static_cast<unsigned int>(proxyId1), static_cast<unsigned int>(proxyId2)) & (m_overlappingPairArray.capacity() - 1));  // New hash value with new mask
-
-	btBroadphasePair* pair = internalFindPair(proxy0, proxy1, hash);
-	if (pair != NULL)
-	{
-		return pair;
-	}
-	/*for(int i=0;i<m_overlappingPairArray.size();++i)
-		{
-		if(	(m_overlappingPairArray[i].m_pProxy0==proxy0)&&
-			(m_overlappingPairArray[i].m_pProxy1==proxy1))
-			{
-			printf("Adding duplicated %u<>%u\r\n",proxyId1,proxyId2);
-			internalFindPair(proxy0, proxy1, hash);
-			}
-		}*/
-	int count = m_overlappingPairArray.size();
-	int oldCapacity = m_overlappingPairArray.capacity();
-	void* mem = &m_overlappingPairArray.expandNonInitializing();
-
-	//this is where we add an actual pair, so also call the 'ghost'
-	if (m_ghostPairCallback)
-		m_ghostPairCallback->addOverlappingPair(proxy0, proxy1);
-
-	int newCapacity = m_overlappingPairArray.capacity();
-
-	if (oldCapacity < newCapacity)
-	{
-		growTables();
-		//hash with new capacity
-		hash = static_cast<int>(getHash(static_cast<unsigned int>(proxyId1), static_cast<unsigned int>(proxyId2)) & (m_overlappingPairArray.capacity() - 1));
-	}
-
-	pair = new (mem) btBroadphasePair(*proxy0, *proxy1);
-	//	pair->m_pProxy0 = proxy0;
-	//	pair->m_pProxy1 = proxy1;
-	pair->m_algorithm = 0;
-	pair->m_internalTmpValue = 0;
-
-	m_next[count] = m_hashTable[hash];
-	m_hashTable[hash] = count;
-
-	return pair;
-}
-
-void* btHashedOverlappingPairCache::removeOverlappingPair(btBroadphaseProxy* proxy0, btBroadphaseProxy* proxy1, btDispatcher* dispatcher)
-{
-	if (proxy0->m_uniqueId > proxy1->m_uniqueId)
-		btSwap(proxy0, proxy1);
-	int proxyId1 = proxy0->getUid();
-	int proxyId2 = proxy1->getUid();
-
-	/*if (proxyId1 > proxyId2)
-		btSwap(proxyId1, proxyId2);*/
-
-	int hash = static_cast<int>(getHash(static_cast<unsigned int>(proxyId1), static_cast<unsigned int>(proxyId2)) & (m_overlappingPairArray.capacity() - 1));
-
-	btBroadphasePair* pair = internalFindPair(proxy0, proxy1, hash);
-	if (pair == NULL)
-	{
-		return 0;
-	}
-
-	cleanOverlappingPair(*pair, dispatcher);
-
-	void* userData = pair->m_internalInfo1;
-
-	btAssert(pair->m_pProxy0->getUid() == proxyId1);
-	btAssert(pair->m_pProxy1->getUid() == proxyId2);
-
-	int pairIndex = int(pair - &m_overlappingPairArray[0]);
-	btAssert(pairIndex < m_overlappingPairArray.size());
-
-	// Remove the pair from the hash table.
-	int index = m_hashTable[hash];
-	btAssert(index != BT_NULL_PAIR);
-
-	int previous = BT_NULL_PAIR;
-	while (index != pairIndex)
-	{
-		previous = index;
-		index = m_next[index];
-	}
-
-	if (previous != BT_NULL_PAIR)
-	{
-		btAssert(m_next[previous] == pairIndex);
-		m_next[previous] = m_next[pairIndex];
-	}
-	else
-	{
-		m_hashTable[hash] = m_next[pairIndex];
-	}
-
-	// We now move the last pair into spot of the
-	// pair being removed. We need to fix the hash
-	// table indices to support the move.
-
-	int lastPairIndex = m_overlappingPairArray.size() - 1;
-
-	if (m_ghostPairCallback)
-		m_ghostPairCallback->removeOverlappingPair(proxy0, proxy1, dispatcher);
-
-	// If the removed pair is the last pair, we are done.
-	if (lastPairIndex == pairIndex)
-	{
-		m_overlappingPairArray.pop_back();
-		return userData;
-	}
-
-	// Remove the last pair from the hash table.
-	const btBroadphasePair* last = &m_overlappingPairArray[lastPairIndex];
-	/* missing swap here too, Nat. */
-	int lastHash = static_cast<int>(getHash(static_cast<unsigned int>(last->m_pProxy0->getUid()), static_cast<unsigned int>(last->m_pProxy1->getUid())) & (m_overlappingPairArray.capacity() - 1));
-
-	index = m_hashTable[lastHash];
-	btAssert(index != BT_NULL_PAIR);
-
-	previous = BT_NULL_PAIR;
-	while (index != lastPairIndex)
-	{
-		previous = index;
-		index = m_next[index];
-	}
-
-	if (previous != BT_NULL_PAIR)
-	{
-		btAssert(m_next[previous] == lastPairIndex);
-		m_next[previous] = m_next[lastPairIndex];
-	}
-	else
-	{
-		m_hashTable[lastHash] = m_next[lastPairIndex];
-	}
-
-	// Copy the last pair into the remove pair's spot.
-	m_overlappingPairArray[pairIndex] = m_overlappingPairArray[lastPairIndex];
-
-	// Insert the last pair into the hash table
-	m_next[pairIndex] = m_hashTable[lastHash];
-	m_hashTable[lastHash] = pairIndex;
-
-	m_overlappingPairArray.pop_back();
-
-	return userData;
-}
-//#include <stdio.h>
-#include "LinearMath/btQuickprof.h"
-void btHashedOverlappingPairCache::processAllOverlappingPairs(btOverlapCallback* callback, btDispatcher* dispatcher)
-{
-	BT_PROFILE("btHashedOverlappingPairCache::processAllOverlappingPairs");
-	int i;
-
-	//	printf("m_overlappingPairArray.size()=%d\n",m_overlappingPairArray.size());
-	for (i = 0; i < m_overlappingPairArray.size();)
-	{
-		btBroadphasePair* pair = &m_overlappingPairArray[i];
-		if (callback->processOverlap(*pair))
-		{
-			removeOverlappingPair(pair->m_pProxy0, pair->m_pProxy1, dispatcher);
-		}
-		else
-		{
-			i++;
-		}
-	}
-}
-
-struct MyPairIndex
-{
-	int m_orgIndex;
-	int m_uidA0;
-	int m_uidA1;
-};
-
-class MyPairIndeSortPredicate
-{
-public:
-	bool operator()(const MyPairIndex& a, const MyPairIndex& b) const
-	{
-		const int uidA0 = a.m_uidA0;
-		const int uidB0 = b.m_uidA0;
-		const int uidA1 = a.m_uidA1;
-		const int uidB1 = b.m_uidA1;
-		return uidA0 > uidB0 || (uidA0 == uidB0 && uidA1 > uidB1);
-	}
-};
-
-void btHashedOverlappingPairCache::processAllOverlappingPairs(btOverlapCallback* callback, btDispatcher* dispatcher, const struct btDispatcherInfo& dispatchInfo)
-{
-	if (dispatchInfo.m_deterministicOverlappingPairs)
-	{
-		btBroadphasePairArray& pa = getOverlappingPairArray();
-		btAlignedObjectArray<MyPairIndex> indices;
-		{
-			BT_PROFILE("sortOverlappingPairs");
-			indices.resize(pa.size());
-			for (int i = 0; i < indices.size(); i++)
-			{
-				const btBroadphasePair& p = pa[i];
-				const int uidA0 = p.m_pProxy0 ? p.m_pProxy0->m_uniqueId : -1;
-				const int uidA1 = p.m_pProxy1 ? p.m_pProxy1->m_uniqueId : -1;
-
-				indices[i].m_uidA0 = uidA0;
-				indices[i].m_uidA1 = uidA1;
-				indices[i].m_orgIndex = i;
-			}
-			indices.quickSort(MyPairIndeSortPredicate());
-		}
-		{
-			BT_PROFILE("btHashedOverlappingPairCache::processAllOverlappingPairs");
-			int i;
-			for (i = 0; i < indices.size();)
-			{
-				btBroadphasePair* pair = &pa[indices[i].m_orgIndex];
-				if (callback->processOverlap(*pair))
-				{
-					removeOverlappingPair(pair->m_pProxy0, pair->m_pProxy1, dispatcher);
-				}
-				else
-				{
-					i++;
-				}
-			}
-		}
-	}
-	else
-	{
-		processAllOverlappingPairs(callback, dispatcher);
-	}
-}
-
-void btHashedOverlappingPairCache::sortOverlappingPairs(btDispatcher* dispatcher)
-{
-	///need to keep hashmap in sync with pair address, so rebuild all
-	btBroadphasePairArray tmpPairs;
-	int i;
-	for (i = 0; i < m_overlappingPairArray.size(); i++)
-	{
-		tmpPairs.push_back(m_overlappingPairArray[i]);
-	}
-
-	for (i = 0; i < tmpPairs.size(); i++)
-	{
-		removeOverlappingPair(tmpPairs[i].m_pProxy0, tmpPairs[i].m_pProxy1, dispatcher);
-	}
-
-	for (i = 0; i < m_next.size(); i++)
-	{
-		m_next[i] = BT_NULL_PAIR;
-	}
-
-	tmpPairs.quickSort(btBroadphasePairSortPredicate());
-
-	for (i = 0; i < tmpPairs.size(); i++)
-	{
-		addOverlappingPair(tmpPairs[i].m_pProxy0, tmpPairs[i].m_pProxy1);
-	}
-}
-
-void* btSortedOverlappingPairCache::removeOverlappingPair(btBroadphaseProxy* proxy0, btBroadphaseProxy* proxy1, btDispatcher* dispatcher)
-{
-	if (!hasDeferredRemoval())
-	{
-		btBroadphasePair findPair(*proxy0, *proxy1);
-
-		int findIndex = m_overlappingPairArray.findLinearSearch(findPair);
-		if (findIndex < m_overlappingPairArray.size())
-		{
-			btBroadphasePair& pair = m_overlappingPairArray[findIndex];
-			void* userData = pair.m_internalInfo1;
-			cleanOverlappingPair(pair, dispatcher);
-			if (m_ghostPairCallback)
-				m_ghostPairCallback->removeOverlappingPair(proxy0, proxy1, dispatcher);
-
-			m_overlappingPairArray.swap(findIndex, m_overlappingPairArray.capacity() - 1);
-			m_overlappingPairArray.pop_back();
-			return userData;
-		}
-	}
-
-	return 0;
-}
-
-btBroadphasePair* btSortedOverlappingPairCache::addOverlappingPair(btBroadphaseProxy* proxy0, btBroadphaseProxy* proxy1)
-{
-	//don't add overlap with own
-	btAssert(proxy0 != proxy1);
-
-	if (!needsBroadphaseCollision(proxy0, proxy1))
-		return 0;
-
-	void* mem = &m_overlappingPairArray.expandNonInitializing();
-	btBroadphasePair* pair = new (mem) btBroadphasePair(*proxy0, *proxy1);
-
-	if (m_ghostPairCallback)
-		m_ghostPairCallback->addOverlappingPair(proxy0, proxy1);
-	return pair;
-}
-
-///this findPair becomes really slow. Either sort the list to speedup the query, or
-///use a different solution. It is mainly used for Removing overlapping pairs. Removal could be delayed.
-///we could keep a linked list in each proxy, and store pair in one of the proxies (with lowest memory address)
-///Also we can use a 2D bitmap, which can be useful for a future GPU implementation
-btBroadphasePair* btSortedOverlappingPairCache::findPair(btBroadphaseProxy* proxy0, btBroadphaseProxy* proxy1)
-{
-	if (!needsBroadphaseCollision(proxy0, proxy1))
-		return 0;
-
-	btBroadphasePair tmpPair(*proxy0, *proxy1);
-	int findIndex = m_overlappingPairArray.findLinearSearch(tmpPair);
-
-	if (findIndex < m_overlappingPairArray.size())
-	{
-		//btAssert(it != m_overlappingPairSet.end());
-		btBroadphasePair* pair = &m_overlappingPairArray[findIndex];
-		return pair;
-	}
-	return 0;
-}
-
-//#include <stdio.h>
-
-void btSortedOverlappingPairCache::processAllOverlappingPairs(btOverlapCallback* callback, btDispatcher* dispatcher)
-{
-	int i;
-
-	for (i = 0; i < m_overlappingPairArray.size();)
-	{
-		btBroadphasePair* pair = &m_overlappingPairArray[i];
-		if (callback->processOverlap(*pair))
-		{
-			cleanOverlappingPair(*pair, dispatcher);
-			pair->m_pProxy0 = 0;
-			pair->m_pProxy1 = 0;
-			m_overlappingPairArray.swap(i, m_overlappingPairArray.size() - 1);
-			m_overlappingPairArray.pop_back();
-		}
-		else
-		{
-			i++;
-		}
-	}
-}
-
-btSortedOverlappingPairCache::btSortedOverlappingPairCache() : m_blockedForChanges(false),
-															   m_hasDeferredRemoval(true),
-															   m_overlapFilterCallback(0),
-															   m_ghostPairCallback(0)
-{
-	int initialAllocatedSize = 2;
-	m_overlappingPairArray.reserve(initialAllocatedSize);
-}
-
-btSortedOverlappingPairCache::~btSortedOverlappingPairCache()
-{
-}
-
-void btSortedOverlappingPairCache::cleanOverlappingPair(btBroadphasePair& pair, btDispatcher* dispatcher)
-{
-	if (pair.m_algorithm)
-	{
-		{
-			pair.m_algorithm->~btCollisionAlgorithm();
-			dispatcher->freeCollisionAlgorithm(pair.m_algorithm);
-			pair.m_algorithm = 0;
-		}
-	}
-}
-
-void btSortedOverlappingPairCache::cleanProxyFromPairs(btBroadphaseProxy* proxy, btDispatcher* dispatcher)
-{
-	class CleanPairCallback : public btOverlapCallback
-	{
-		btBroadphaseProxy* m_cleanProxy;
-		btOverlappingPairCache* m_pairCache;
-		btDispatcher* m_dispatcher;
-
-	public:
-		CleanPairCallback(btBroadphaseProxy* cleanProxy, btOverlappingPairCache* pairCache, btDispatcher* dispatcher)
-			: m_cleanProxy(cleanProxy),
-			  m_pairCache(pairCache),
-			  m_dispatcher(dispatcher)
-		{
-		}
-		virtual bool processOverlap(btBroadphasePair& pair)
-		{
-			if ((pair.m_pProxy0 == m_cleanProxy) ||
-				(pair.m_pProxy1 == m_cleanProxy))
-			{
-				m_pairCache->cleanOverlappingPair(pair, m_dispatcher);
-			}
-			return false;
-		}
-	};
-
-	CleanPairCallback cleanPairs(proxy, this, dispatcher);
-
-	processAllOverlappingPairs(&cleanPairs, dispatcher);
-}
-
-void btSortedOverlappingPairCache::removeOverlappingPairsContainingProxy(btBroadphaseProxy* proxy, btDispatcher* dispatcher)
-{
-	class RemovePairCallback : public btOverlapCallback
-	{
-		btBroadphaseProxy* m_obsoleteProxy;
-
-	public:
-		RemovePairCallback(btBroadphaseProxy* obsoleteProxy)
-			: m_obsoleteProxy(obsoleteProxy)
-		{
-		}
-		virtual bool processOverlap(btBroadphasePair& pair)
-		{
-			return ((pair.m_pProxy0 == m_obsoleteProxy) ||
-					(pair.m_pProxy1 == m_obsoleteProxy));
-		}
-	};
-
-	RemovePairCallback removeCallback(proxy);
-
-	processAllOverlappingPairs(&removeCallback, dispatcher);
-}
-
-void btSortedOverlappingPairCache::sortOverlappingPairs(btDispatcher* dispatcher)
-{
-	//should already be sorted
-}