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Only hook IBaseFileSystem::FileExists if we're also hooking INetChannel::SendFile or INetChannel::ProcessPacket.

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This works around a TF Replay SourceHook crash that Johns was seeing when using 1.8.
SourceHook is not thread-safe at the time of this writing.
This commit is contained in:
Kyle Sanderson 2016-03-20 14:07:08 -07:00 committed by Josh Allard
parent 5815e49d93
commit 8924a9744e
1 changed files with 19 additions and 11 deletions
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30
extensions/sdktools/hooks.cpp
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@ -78,8 +78,6 @@ void CHookManager::Initialize()
g_pSM->LogError(myself, "Failed to find PlayerRunCmd offset - OnPlayerRunCmd forward disabled.");
PRCH_enabled = false;
}
SH_ADD_HOOK(IBaseFileSystem, FileExists, basefilesystem, SH_MEMBER(this, &CHookManager::FileExists), false);
basefilesystemPatch = SH_GET_CALLCLASS(basefilesystem);
@ -236,12 +234,22 @@ void CHookManager::NetChannelHook(int client)
/* Normal NetChannel Hooks. */
{
CVTableHook hook(pNetChannel);
CVTableHook nethook(pNetChannel);
size_t iter;
/* Initial Hook */
if (!m_netChannelHooks.length())
{
CVTableHook filehook(basefilesystem);
int hookid = SH_ADD_VPHOOK(IBaseFileSystem, FileExists, basefilesystem, SH_MEMBER(this, &CHookManager::FileExists), false);
filehook.SetHookID(hookid);
m_netChannelHooks.append(new CVTableHook(filehook));
}
for (iter = 0; iter < m_netChannelHooks.length(); ++iter)
{
/* We can technically skip 2; even technical-ier, this could be a bool; but Valve. */
if (hook == m_netChannelHooks[iter])
if (nethook == m_netChannelHooks[iter])
{
break;
}
@ -250,16 +258,16 @@ void CHookManager::NetChannelHook(int client)
if (iter == m_netChannelHooks.length())
{
int hookid = SH_ADD_VPHOOK(INetChannel, SendFile, pNetChannel, SH_MEMBER(this, &CHookManager::SendFile), false);
hook.SetHookID(hookid);
m_netChannelHooks.append(new CVTableHook(hook));
nethook.SetHookID(hookid);
m_netChannelHooks.append(new CVTableHook(nethook));
hookid = SH_ADD_VPHOOK(INetChannel, ProcessPacket, pNetChannel, SH_MEMBER(this, &CHookManager::ProcessPacket), false);
hook.SetHookID(hookid);
m_netChannelHooks.append(new CVTableHook(hook));
nethook.SetHookID(hookid);
m_netChannelHooks.append(new CVTableHook(nethook));
hookid = SH_ADD_VPHOOK(INetChannel, ProcessPacket, pNetChannel, SH_MEMBER(this, &CHookManager::ProcessPacket_Post), true);
hook.SetHookID(hookid);
m_netChannelHooks.append(new CVTableHook(hook));
nethook.SetHookID(hookid);
m_netChannelHooks.append(new CVTableHook(nethook));
}
}
}