Merge remote-tracking branch 'origin/master' into plString

Sources/Plasma/PubUtilLib/plPhysX/plPXPhysical.cpp

@@ -827,7 +827,12 @@ void plPXPhysical::ApplyHitForce()
 void plPXPhysical::ISetTransformGlobal(const hsMatrix44& l2w)
 {
     hsAssert(fActor->isDynamic(), "Shouldn't move a static actor");
-    fActor->wakeUp();
+
+    // If we wake up normal dynamic actors, they might explode.
+    // However, kinematics won't update if they are asleep. Thankfully, kinematics don't
+    //          explode, move, or cause spontaneous nuclear warfare.
+    if (fActor->readBodyFlag(NX_BF_KINEMATIC))
+        fActor->wakeUp();
 
     NxMat34 mat;
 

Sources/Plasma/PubUtilLib/plPhysX/plSimulationMgr.cpp

@@ -56,6 +56,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #include "pnSceneObject/plCoordinateInterface.h"
 #include "pnNetCommon/plSDLTypes.h"
 #include "plMessage/plCollideMsg.h"
+#include "plMessage/plAgeLoadedMsg.h"
 
 #include "plModifier/plDetectorLog.h"
 
@@ -357,7 +358,7 @@ void plSimulationMgr::Init()
     if (gTheInstance->InitSimulation())
     {
         gTheInstance->RegisterAs(kSimulationMgr_KEY);
-        gTheInstance->GetKey()->RefObject();
+        plgDispatch::Dispatch()->RegisterForExactType(plAgeLoadedMsg::Index(), gTheInstance->GetKey());
     }
     else
     {
@@ -374,10 +375,8 @@ void plSimulationMgr::Shutdown()
     hsAssert(gTheInstance, "Simulation manager missing during shutdown.");
     if (gTheInstance)
     {
-        // UnRef to match our Ref in Init(). Unless something strange is
-        // going on, this should destroy the instance and set gTheInstance to nil.
-//      gTheInstance->GetKey()->UnRefObject();
-        gTheInstance->UnRegister();     // this will destroy the instance
+        plgDispatch::Dispatch()->UnRegisterForExactType(plAgeLoadedMsg::Index(), gTheInstance->GetKey());
+        gTheInstance->UnRegisterAs(kSimulationMgr_KEY);     // this will destroy the instance
         gTheInstance = nil;
     }
 }
@@ -391,8 +390,6 @@ plSimulationMgr* plSimulationMgr::GetInstance()
 
 plSimulationMgr::plSimulationMgr()
     : fSuspended(true)
-    , fMaxDelta(kDefaultMaxDelta)
-    , fStepSize(kDefaultStepSize)
     , fLOSDispatch(new plLOSDispatch())
     , fSoundMgr(new plPhysicsSoundMgr)
     , fLog(nil)
@@ -451,16 +448,20 @@ NxScene* plSimulationMgr::GetScene(plKey world)
 
     if (!scene)
     {
-        uint32_t maxSteps = (uint32_t)ceil(fMaxDelta / fStepSize);
-
         NxSceneDesc sceneDesc;
         sceneDesc.gravity.set(0, 0, -32.174049f);
         sceneDesc.userTriggerReport = &gSensorReport;
         sceneDesc.userContactReport = &gContactReport;
-        sceneDesc.maxTimestep = fStepSize;
-        sceneDesc.maxIter = maxSteps;
         scene = fSDK->createScene(sceneDesc);
 
+        // See "Advancing The Simulation State" in the PhysX SDK Documentation
+        // This will cause PhysX to only update for our step size. If we call simulate
+        // faster than that, PhysX will return immediately. If we call it slower than that,
+        // PhysX will do some extra steps for us (isn't that nice?).
+        // Anyway, this should be a good way to make us independent of the framerate.
+        // If not, I blame the usual suspects (Tye, eap, etc...)
+        scene->setTiming(kDefaultStepSize);
+
         // Most physicals use the default friction and restitution values, so we
         // make them the default.
         NxMaterial* mat = scene->getMaterialFromIndex(0);
@@ -603,12 +604,6 @@ void plSimulationMgr::Advance(float delSecs)
     if (fSuspended)
         return;
 
-    if (delSecs > fMaxDelta)
-    {
-        if (fExtraProfile)
-            Log("Step clamped from %f to limit of %f", delSecs, fMaxDelta);
-        delSecs = fMaxDelta;
-    }
     plProfile_IncCount(StepLen, (int)(delSecs*1000));
 
 #ifndef PLASMA_EXTERNAL_RELASE
@@ -756,6 +751,13 @@ void plSimulationMgr::ISendUpdates()
 
 hsBool plSimulationMgr::MsgReceive(plMessage *msg)
 {
+    // Suspend/resume the simulation based on whether or not we're in an age...
+    if (plAgeLoadedMsg* aMsg = plAgeLoadedMsg::ConvertNoRef(msg))
+    {
+        fSuspended = !aMsg->fLoaded;
+        return true;
+    }
+
     return hsKeyedObject::MsgReceive(msg);
 }
 
@@ -765,26 +767,6 @@ hsBool plSimulationMgr::MsgReceive(plMessage *msg)
 //
 /////////////////////////////////////////////////////////////////
 
-void plSimulationMgr::SetMaxDelta(float maxDelta)
-{
-    fMaxDelta = maxDelta;
-}
-
-float plSimulationMgr::GetMaxDelta() const
-{
-    return fMaxDelta;
-}
-
-void plSimulationMgr::SetStepsPerSecond(int stepsPerSecond)
-{
-    fStepSize = 1.0f / (float)stepsPerSecond;
-}
-
-int plSimulationMgr::GetStepsPerSecond()
-{
-    return (int)((1.0 / fStepSize) + 0.5f); // round to nearest int
-}
-
 int plSimulationMgr::GetMaterialIdx(NxScene* scene, float friction, float restitution)
 {
     if (friction == 0.5f && restitution == 0.5f)

Sources/Plasma/PubUtilLib/plPhysX/plSimulationMgr.h

@@ -115,20 +115,6 @@ protected:
     plSimulationMgr();
     virtual ~plSimulationMgr();
 
-    // Set the maximum amount of time (in seconds) that the physics will advance
-    // between frames. If a frame-to-frame delta is bigger than this, we'll
-    // clamp it to this value.
-    // WARNING: animation doesn't do this, so if we clamp the time animated
-    // physicals and the avatar may move at a faster rate than usual.
-    void SetMaxDelta(float maxDelta);
-    float GetMaxDelta() const;
-    
-    // Set the number of steps per second that physics will advance.
-    // The more steps per second, the less fallthough and more accurate
-    // simulation response.
-    void SetStepsPerSecond(int stepsPerSecond);
-    int GetStepsPerSecond();
-
     // Walk through the synchronization requests and send them as appropriate.
     void IProcessSynchs();
 
@@ -151,9 +137,6 @@ protected:
     // but nothing will move.
     bool fSuspended;
 
-    float fMaxDelta;
-    float fStepSize;
-
     // A utility class to keep track of a request for a physical synchronization.
     // These requests must pass a certain criteria (see the code for the latest)
     // before they are actually either sent over the network or rejected.