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#include "UnityPrefix.h"
#include "UserList.h"
#include "Runtime/Threads/Thread.h"
#include "Runtime/BaseClasses/MessageIdentifier.h"
#include "Runtime/BaseClasses/GameObject.h"
void UserListNode::Clear ()
{
if (IsConnected())
{
UserList* other = static_cast<UserList*>(m_Entry.other);
other->RemoveIndex(m_Entry.indexInOther);
m_Entry = Entry();
}
}
void UserList::Clear ()
{
for (int index=0; index<m_Entries.size(); index++)
{
Entry& user = m_Entries[index];
if (user.indexInOther == -1)
{
// Other is a node
UserListNode* other = static_cast<UserListNode*>(user.other);
DebugAssert(other->m_Entry.other == this);
DebugAssert(other->m_Entry.indexInOther == index);
other->m_Entry = Entry();
}
else
{
// Other is a another list
UserList* other = static_cast<UserList*>(user.other);
DebugAssert(other->m_Entries[user.indexInOther].other == this);
DebugAssert(other->m_Entries[user.indexInOther].indexInOther == index);
other->RemoveIndex(user.indexInOther);
}
}
m_Entries.clear();
}
void UserList::Reserve (size_t size)
{
m_Entries.reserve(size);
}
void UserList::AddUser (UserListNode& other)
{
other.Clear();
other.m_Entry.other = this;
other.m_Entry.indexInOther = m_Entries.size();
Entry& user = m_Entries.push_back();
user.other = &other;
user.indexInOther = -1;
}
void UserList::AddUser (UserList& other)
{
DebugAssert(&other != this);
int index = m_Entries.size();
int indexInOther = other.m_Entries.size();
Entry& user = m_Entries.push_back();
user.other = &other;
user.indexInOther = indexInOther;
Entry& otherUser = other.m_Entries.push_back();
otherUser.other = this;
otherUser.indexInOther = index;
}
void UserList::SendMessage (const MessageIdentifier& msg)
{
ASSERT_RUNNING_ON_MAIN_THREAD
MessageData data;
// Traverse list backwards, makes it easier if an element removes itself
int index = (int)m_Entries.size() - 1;
while (index >= 0)
{
UserListBase* other = m_Entries[index].other;
#if DEBUGMODE
// Verify that the link back is correct
GetEntryInOther(index);
#endif
SendMessageDirect(*other->GetTarget(), msg, data);
// Make sure index is within range
index = std::min(index, (int)m_Entries.size());
index--;
}
}
UserList::Entry& UserList::GetEntryInOther (int index)
{
Entry& user = m_Entries[index];
Entry* entryInOther;
if (user.indexInOther == -1)
{
// Other is a node
UserListNode* other = static_cast<UserListNode*>(user.other);
entryInOther = &other->m_Entry;
}
else
{
// Other is a another list
UserList* other = static_cast<UserList*>(user.other);
entryInOther = &other->m_Entries[user.indexInOther];
}
DebugAssert(entryInOther->other == this);
DebugAssert(entryInOther->indexInOther == index);
return *entryInOther;
}
void UserList::RemoveIndex (int index)
{
int lastIndex = m_Entries.size() - 1;
if (index != lastIndex)
{
// Move last entry to index
Entry& lastUser = m_Entries[lastIndex];
m_Entries[index] = lastUser;
Entry& entryInOther = GetEntryInOther(lastIndex);
entryInOther.indexInOther = index;
}
m_Entries.pop_back();
}
#if ENABLE_UNIT_TESTS
#include "External/UnitTest++/src/UnitTest++.h"
class TestUserList : public UserList
{
public:
TestUserList() : UserList(NULL) {}
};
class TestUserListNode : public UserListNode
{
public:
TestUserListNode() : UserListNode(NULL) {}
};
SUITE (UserListTests)
{
TEST(UserList_BasicUserList)
{
const int kNumA = 10;
const int kNumB = 20;
const int kNumC = 30;
TestUserList listsA[kNumA];
TestUserList listsB[kNumB];
TestUserList listsC[kNumC];
TestUserListNode nodesD[kNumC];
for (int c = 0; c < kNumC; c++)
if ((c % 3) == 1)
listsC[c].AddUser(nodesD[c]);
for (int a = 0; a < kNumA; a++)
for (int b = 0; b < kNumB; b++)
if (((a + b) % 3) == 0)
listsA[a].AddUser(listsB[b]);
for (int b = 0; b < kNumB; b++)
for (int c = 0; c < kNumC; c++)
if (((b + c) % 5) == 0)
listsB[b].AddUser(listsC[c]);
for (int c = 0; c < kNumC; c++)
if ((c % 3) == 2)
listsC[c].AddUser(nodesD[c]);
for (int a = kNumA - 1; a >= 0; a--)
if ((a % 2) == 0)
listsA[a].Clear();
for (int c = 0; c < kNumC; c++)
if ((c % 4) == 0)
nodesD[c].Clear();
for (int b = 0; b < kNumB; b++)
listsB[b].Clear();
for (int a = 0; a < kNumA; a++)
{
CHECK_EQUAL (0, listsA[a].GetSize());
}
for (int c = 0; c < kNumC; c++)
{
if ((c % 3) != 0 && (c % 4) != 0)
{
CHECK_EQUAL (1, listsC[c].GetSize());
CHECK_EQUAL (true, nodesD[c].IsConnected());
}
else
{
CHECK_EQUAL (0, listsC[c].GetSize());
CHECK_EQUAL (false, nodesD[c].IsConnected());
}
}
}
}
#endif
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