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296 lines
10 KiB
296 lines
10 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#include "plLOSDispatch.h" |
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#include "plSimulationMgr.h" |
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#include "plgDispatch.h" |
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#include "plMessage/plLOSRequestMsg.h" |
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#include "plMessage/plLOSHitMsg.h" |
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#include "pnKeyedObject/plFixedKey.h" |
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#include "pnSceneObject/plSceneObject.h" |
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#include "plModifier/plLogicModifier.h" |
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#include "plPXPhysical.h" |
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#include "plPXPhysicalControllerCore.h" |
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#include "plPXConvert.h" |
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#include "plAvatar/plAvatarMgr.h" |
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#include "plAvatar/plArmatureMod.h" |
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#include <NxPhysics.h> |
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#include "plProfile.h" |
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plProfile_Extern(LineOfSight); |
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class myRaycastReport : public NxUserRaycastReport |
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{ |
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public: |
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void InitCast(plSimDefs::plLOSDB db, plLOSRequestMsg::TestType type) |
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{ |
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fDB = db; |
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fType = type; |
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fHitObj = nil; |
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fNormal.Set(0, 0, 0); |
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fPoint.Set(0, 0, 0); |
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fDist = FLT_MAX; |
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} |
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bool GotHit() { return fDist != FLT_MAX; } |
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plKey GetObj() { return fHitObj; } |
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hsScalar GetDistance() { return fDist; } |
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const hsVector3& GetNormal() { return fNormal; } |
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const hsPoint3& GetPoint() { return fPoint; } |
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void ResetHitObj(){fHitObj=nil;} |
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private: |
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virtual bool onHit(const NxRaycastHit& hit) |
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{ |
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NxActor& hitActor = hit.shape->getActor(); |
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plPXPhysical* phys = (plPXPhysical*)hitActor.userData; |
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plKey objKey = nil; |
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UInt16 objDB = plSimDefs::kLOSDBNone; |
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if (phys) |
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{ |
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objKey = phys->GetObjectKey(); |
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objDB = phys->GetAllLOSDBs(); |
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} |
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else |
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{ |
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bool isController; |
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plPXPhysicalControllerCore* controller = plPXPhysicalControllerCore::GetController(hitActor,&isController); |
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if (controller) |
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{ |
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objKey = controller->GetOwner(); |
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objDB = controller->GetLOSDB(); |
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} |
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} |
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// is the object's physic enabled and is it in the database that we are looking for? |
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if ( !phys || !phys->GetProperty(plSimulationInterface::kDisable) ) |
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{ |
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if ( (fDB & objDB) != 0) |
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{ |
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if (fType == plLOSRequestMsg::kTestAny || hit.distance < fDist) |
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{ |
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// need one more test... if it is a clickable need to see if it is enabled |
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bool disabled = false; |
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if ( objKey ) |
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{ |
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plSceneObject* so = plSceneObject::ConvertNoRef( objKey->GetObjectPtr() ); |
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if (so) |
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{ |
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int i; |
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for ( i=0; i < so->GetNumModifiers(); i++) |
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{ |
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plLogicModifier* lo = (plLogicModifier*)plLogicModifier::ConvertNoRef(so->GetModifier(i) ); |
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if (lo) |
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{ |
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disabled = lo->Disabled(); |
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break; |
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} |
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} |
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} |
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} |
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if (!disabled) |
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{ |
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fHitObj = objKey; |
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fNormal.Set(hit.worldNormal.x, hit.worldNormal.y, hit.worldNormal.z); |
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fPoint.Set(hit.worldImpact.x, hit.worldImpact.y, hit.worldImpact.z); |
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fDist = hit.distance; |
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if (fType == plLOSRequestMsg::kTestAny) |
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return false; |
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} |
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} |
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} |
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} |
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return true; |
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} |
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plSimDefs::plLOSDB fDB; |
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plLOSRequestMsg::TestType fType; |
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plKey fHitObj; |
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hsVector3 fNormal; |
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hsPoint3 fPoint; |
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hsScalar fDist; |
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} gMyReport; |
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plLOSDispatch::plLOSDispatch() |
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{ |
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RegisterAs(kLOSObject_KEY); |
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plgDispatch::Dispatch()->RegisterForExactType(plLOSRequestMsg::Index(), GetKey()); |
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} |
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plLOSDispatch::~plLOSDispatch() |
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{ |
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plgDispatch::Dispatch()->UnRegisterForExactType(plLOSRequestMsg::Index(), GetKey()); |
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} |
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hsBool plLOSDispatch::MsgReceive(plMessage* msg) |
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{ |
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plLOSRequestMsg* requestMsg = plLOSRequestMsg::ConvertNoRef(msg); |
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if (requestMsg) |
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{ |
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plProfile_BeginTiming(LineOfSight); |
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plSimulationMgr* sim = plSimulationMgr::GetInstance(); |
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plKey worldKey = requestMsg->fWorldKey; |
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if (!worldKey) |
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{ |
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plArmatureMod* av = plAvatarMgr::GetInstance()->GetLocalAvatar(); |
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if ( av && av->GetController() ) |
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worldKey = av->GetController()->GetSubworld(); |
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} |
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hsPoint3 from = requestMsg->fFrom; |
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hsPoint3 at = requestMsg->fTo; |
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// requests are always sent in world space, but they might |
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// need to be converted to subworld space |
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hsMatrix44 l2w, w2l; |
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if (worldKey) |
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{ |
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plSceneObject* so = plSceneObject::ConvertNoRef(worldKey->ObjectIsLoaded()); |
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if (so) |
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{ |
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l2w = so->GetLocalToWorld(); |
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w2l = so->GetWorldToLocal(); |
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from = w2l * from; |
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at = w2l * at; |
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} |
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} |
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else |
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{ |
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l2w.Reset(); |
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w2l.Reset(); |
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} |
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NxScene* scene = sim->GetScene(worldKey); |
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gMyReport.InitCast(requestMsg->GetRequestType(), requestMsg->GetTestType()); |
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hsVector3 norm = hsVector3(at - from); |
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hsScalar dist = norm.Magnitude(); |
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norm.Normalize(); |
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NxRay worldRay; |
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worldRay.dir = plPXConvert::Vector(norm); |
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worldRay.orig = plPXConvert::Point(from); |
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//PhysX will complain to log if ray distance is less than or equal to Zero, besides shouldn't bother throwing |
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// a point, and if we have negative we have some serious problems |
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if(dist>0.0f) |
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{ |
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scene->raycastAllShapes(worldRay, gMyReport, NX_ALL_SHAPES, 0xffffffff, dist, NX_RAYCAST_DISTANCE | NX_RAYCAST_IMPACT | NX_RAYCAST_NORMAL); |
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} |
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else{ |
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SimLog("%s sent out a LOS request with a ray length of %d.", requestMsg->GetSender()->GetName(), dist); |
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} |
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if (gMyReport.GotHit()) |
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{ |
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// We got a hit, save off the info |
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plMessage* hitMsg = ICreateHitMsg(requestMsg, l2w); |
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if (requestMsg->GetCullDB() != plSimDefs::kLOSDBNone) |
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{ |
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// If we have a cull db, adjust the length of the raycast to be from the |
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// original point to the object we hit. If we find anything from the cull |
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// db in there, the cast fails. |
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hsScalar dist = gMyReport.GetDistance(); |
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if(dist!=0.0) |
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{ |
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gMyReport.InitCast(requestMsg->GetCullDB(), plLOSRequestMsg::kTestAny); |
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scene->raycastAllShapes(worldRay, gMyReport, NX_ALL_SHAPES, 0xffffffff, dist, NX_RAYCAST_DISTANCE | NX_RAYCAST_IMPACT | NX_RAYCAST_NORMAL); |
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if (gMyReport.GotHit()) |
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{ |
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delete hitMsg; |
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hitMsg = nil; |
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if (requestMsg->GetReportType() == plLOSRequestMsg::kReportMiss || |
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requestMsg->GetReportType() == plLOSRequestMsg::kReportHitOrMiss) |
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{ |
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ICreateMissMsg(requestMsg)->Send(); |
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} |
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} |
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} |
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else// we are right on top of the object I assume that means we hit it |
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{// since PhysX would have complained we will log it anyways. Just so we have a better idea, where this |
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//was happening previously |
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SimLog("%s sent out a LOS request. The second cast for culling was of length 0. ABORTING and assuming hit.", requestMsg->GetSender()->GetName()); |
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} |
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} |
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if (hitMsg && |
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(requestMsg->GetReportType() == plLOSRequestMsg::kReportHit || |
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requestMsg->GetReportType() == plLOSRequestMsg::kReportHitOrMiss)) |
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hitMsg->Send(); |
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} |
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else |
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{ |
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if (requestMsg->GetReportType() == plLOSRequestMsg::kReportMiss || |
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requestMsg->GetReportType() == plLOSRequestMsg::kReportHitOrMiss) |
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{ |
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ICreateMissMsg(requestMsg)->Send(); |
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} |
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} |
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plProfile_EndTiming(LineOfSight); |
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gMyReport.ResetHitObj(); |
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return true; |
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} |
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return hsKeyedObject::MsgReceive(msg); |
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} |
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plMessage* plLOSDispatch::ICreateHitMsg(plLOSRequestMsg* requestMsg, hsMatrix44& l2w) |
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{ |
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plKey ourKey = GetKey(); |
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plKey rcvKey = requestMsg->GetSender(); |
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plLOSHitMsg* hitMsg = TRACKED_NEW plLOSHitMsg(ourKey, rcvKey, nil); |
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hitMsg->fNoHit = false; |
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hitMsg->fObj = gMyReport.GetObj(); |
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hitMsg->fDistance = gMyReport.GetDistance(); |
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hitMsg->fNormal = l2w * gMyReport.GetNormal(); |
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hitMsg->fHitPoint = l2w * gMyReport.GetPoint(); |
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hitMsg->fRequestID = requestMsg->GetRequestID(); |
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return hitMsg; |
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} |
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plMessage* plLOSDispatch::ICreateMissMsg(plLOSRequestMsg* requestMsg) |
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{ |
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plKey ourKey = GetKey(); |
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plKey rcvKey = requestMsg->GetSender(); |
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plLOSHitMsg* missMsg = TRACKED_NEW plLOSHitMsg(ourKey, rcvKey, nil); |
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missMsg->fNoHit = true; |
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missMsg->fObj = nil; |
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missMsg->fRequestID = requestMsg->GetRequestID(); |
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return missMsg; |
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}
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