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Kan-Ed fix series. Fix llTakeControls to behave as documented.

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XEngine fixes: prevent queue overruns, prevent spamming when no key
is down. Release controls when conflicting permissions are requested
or permissions are refused later. Release when prim or script are deleted.
Fixes Scene script instance deletion semantics.
This commit is contained in:
Melanie Thielker
2008-09-17 22:00:56 +00:00
parent 0ad5d8c0e7
commit 7e8320bada
8 changed files with 75 additions and 7 deletions
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60
OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
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@@ -77,6 +77,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
private int m_MaxScriptQueue;
private bool m_SaveState = true;
private bool m_ShuttingDown = false;
private int m_ControlEventsInQueue = 0;
private int m_LastControlLevel = 0;
private Dictionary<string,IScriptApi> m_Apis = new Dictionary<string,IScriptApi>();
@@ -320,6 +322,29 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
}
}
private void ReleaseControls()
{
SceneObjectPart part=m_Engine.World.GetSceneObjectPart(m_LocalID);
if (part != null && part.TaskInventory.ContainsKey(m_ItemID))
{
UUID permsGranter = part.TaskInventory[m_ItemID].PermsGranter;
int permsMask = part.TaskInventory[m_ItemID].PermsMask;
if ((permsMask & ScriptBaseClass.PERMISSION_TAKE_CONTROLS) != 0)
{
ScenePresence presence = m_Engine.World.GetScenePresence(permsGranter);
if (presence != null)
presence.UnRegisterControlEventsToScript(m_LocalID, m_ItemID);
}
}
}
public void DestroyScriptInstance()
{
ReleaseControls();
}
public void RemoveState()
{
string savedState = Path.Combine(Path.GetDirectoryName(m_Assembly),
@@ -439,7 +464,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
if (m_EventQueue.Count >= m_MaxScriptQueue)
return;
m_EventQueue.Enqueue(data);
if (data.EventName == "timer")
{
if (m_TimerQueued)
@@ -447,8 +471,31 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
m_TimerQueued = true;
}
if (!m_RunEvents)
return;
if (data.EventName == "control")
{
int held = ((LSL_Types.LSLInteger)data.Params[1]).value;
int changed= ((LSL_Types.LSLInteger)data.Params[2]).value;
// If the last message was a 0 (nothing held)
// and this one is also nothing held, drop it
//
if (m_LastControlLevel == held && held == 0)
return;
// If there is one or more queued, then queue
// only changed ones, else queue unconditionally
//
if (m_ControlEventsInQueue > 0)
{
if (m_LastControlLevel == held)
return;
}
m_LastControlLevel = held;
m_ControlEventsInQueue++;
}
m_EventQueue.Enqueue(data);
if (m_CurrentResult == null)
{
@@ -475,6 +522,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
}
if (data.EventName == "timer")
m_TimerQueued = false;
if (data.EventName == "control")
{
if (m_ControlEventsInQueue > 0)
m_ControlEventsInQueue--;
}
}
//m_log.DebugFormat("[XENGINE]: Processing event {0} for {1}", data.EventName, this);
@@ -616,6 +668,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
bool running = Running;
RemoveState();
ReleaseControls();
Stop(0);
SceneObjectPart part=m_Engine.World.GetSceneObjectPart(m_LocalID);
@@ -641,6 +694,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
// bool running = Running;
RemoveState();
ReleaseControls();
m_Script.ResetVars();
SceneObjectPart part=m_Engine.World.GetSceneObjectPart(m_LocalID);