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299 lines
8.1 KiB
299 lines
8.1 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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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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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 "HeadSpin.h" |
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#include "plFollowMod.h" |
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#include "plgDispatch.h" |
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#include "pnNetCommon/plNetApp.h" |
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#include "plMessage/plListenerMsg.h" |
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#include "plMessage/plRenderMsg.h" |
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#include "pnMessage/plTimeMsg.h" |
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#include "pnSceneObject/plSceneObject.h" |
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#include "pnMessage/plRefMsg.h" |
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#include "hsResMgr.h" |
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#include "plPipeline.h" |
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plFollowMod::plFollowMod() |
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: fLeader(nil), fMode(kPosition), fLeaderType(kLocalPlayer), fLeaderSet(false) |
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{ |
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} |
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plFollowMod::~plFollowMod() |
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{ |
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} |
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#include "plProfile.h" |
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plProfile_CreateTimer("FollowMod", "RenderSetup", FollowMod); |
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hsBool plFollowMod::MsgReceive(plMessage* msg) |
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{ |
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plRenderMsg* rend = plRenderMsg::ConvertNoRef(msg); |
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if( rend ) |
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{ |
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plProfile_BeginLap(FollowMod, this->GetKey()->GetUoid().GetObjectName().c_str()); |
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fLeaderL2W = rend->Pipeline()->GetCameraToWorld(); |
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fLeaderW2L = rend->Pipeline()->GetWorldToCamera(); |
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fLeaderSet = true; |
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plProfile_EndLap(FollowMod, this->GetKey()->GetUoid().GetObjectName().c_str()); |
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return true; |
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} |
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plListenerMsg* list = plListenerMsg::ConvertNoRef(msg); |
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if( list ) |
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{ |
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hsVector3 pos; |
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pos.Set(list->GetPosition().fX, list->GetPosition().fY, list->GetPosition().fZ); |
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hsVector3 neg = -pos; |
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fLeaderL2W.MakeTranslateMat(&pos); |
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fLeaderW2L.MakeTranslateMat(&neg); |
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fLeaderSet = true; |
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return true; |
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} |
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plGenRefMsg* ref = plGenRefMsg::ConvertNoRef(msg); |
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if( ref ) |
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{ |
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switch( ref->fType ) |
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{ |
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case kRefLeader: |
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if( ref->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest|plRefMsg::kOnReplace) ) |
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fLeader = plSceneObject::ConvertNoRef(ref->GetRef()); |
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else if( ref->GetContext() & (plRefMsg::kOnDestroy|plRefMsg::kOnRemove) ) |
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fLeader = nil; |
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return true; |
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default: |
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hsAssert(false, "Unknown ref type to FollowMod"); |
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break; |
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} |
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} |
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return plSingleModifier::MsgReceive(msg); |
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} |
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hsBool plFollowMod::ICheckLeader() |
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{ |
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switch( fLeaderType ) |
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{ |
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case kLocalPlayer: |
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{ |
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plSceneObject* player = plSceneObject::ConvertNoRef(plNetClientApp::GetInstance()->GetLocalPlayer()); |
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if( player ) |
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{ |
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fLeaderL2W = player->GetLocalToWorld(); |
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fLeaderW2L = player->GetWorldToLocal(); |
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fLeaderSet = true; |
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} |
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else |
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fLeaderSet = false; |
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} |
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break; |
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case kObject: |
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if( fLeader ) |
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{ |
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fLeaderL2W = fLeader->GetLocalToWorld(); |
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fLeaderW2L = fLeader->GetWorldToLocal(); |
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fLeaderSet = true; |
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} |
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else |
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fLeaderSet = false; |
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break; |
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case kCamera: |
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break; |
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case kListener: |
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break; |
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} |
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return fLeaderSet; |
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} |
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void plFollowMod::IMoveTarget() |
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{ |
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if( fMode == kFullTransform ) |
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{ |
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GetTarget()->SetTransform(fLeaderL2W, fLeaderW2L); |
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return; |
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} |
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hsMatrix44 l2w = GetTarget()->GetLocalToWorld(); |
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hsMatrix44 w2l = GetTarget()->GetWorldToLocal(); |
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if( fMode & kRotate ) |
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{ |
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int i, j; |
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for( i = 0; i < 3; i++ ) |
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{ |
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for( j = 0; j < 3; j++ ) |
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{ |
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l2w.fMap[i][j] = fLeaderL2W.fMap[i][j]; |
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w2l.fMap[i][j] = fLeaderW2L.fMap[i][j]; |
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} |
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} |
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} |
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if( fMode & kPosition ) |
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{ |
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hsMatrix44 invMove; |
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invMove.Reset(); |
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hsPoint3 newPos = fLeaderL2W.GetTranslate(); |
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hsPoint3 newInvPos = fLeaderW2L.GetTranslate(); |
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hsPoint3 oldPos = l2w.GetTranslate(); |
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// l2w = newPosMat * -oldPosMat * l2w |
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// so w2l = w2l * inv-oldPosMat * invNewPosMat |
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if( fMode & kPositionX ) |
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{ |
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l2w.fMap[0][3] = newPos.fX; |
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invMove.fMap[0][3] = oldPos.fX - newPos.fX; |
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} |
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if( fMode & kPositionY ) |
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{ |
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l2w.fMap[1][3] = newPos.fY; |
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invMove.fMap[1][3] = oldPos.fY - newPos.fY; |
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} |
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if( fMode & kPositionZ ) |
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{ |
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l2w.fMap[2][3] = newPos.fZ; |
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invMove.fMap[2][3] = oldPos.fZ - newPos.fZ; |
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} |
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invMove.NotIdentity(); |
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// InvMove must happen after rotation. |
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w2l = w2l * invMove; |
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} |
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l2w.NotIdentity(); |
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w2l.NotIdentity(); |
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#ifdef HS_DEBUGGING |
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//MFHORSE hackola |
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hsMatrix44 inv; |
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l2w.GetInverse(&inv); |
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#endif // HS_DEBUGGING |
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GetTarget()->SetTransform(l2w, w2l); |
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} |
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hsBool plFollowMod::IEval(double secs, float del, uint32_t dirty) |
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{ |
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if( ICheckLeader() ) |
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IMoveTarget(); |
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return true; |
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} |
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void plFollowMod::SetTarget(plSceneObject* so) |
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{ |
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plSingleModifier::SetTarget(so); |
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if( fTarget ) |
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Activate(); |
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else |
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Deactivate(); |
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} |
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void plFollowMod::Activate() |
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{ |
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switch( fLeaderType ) |
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{ |
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case kLocalPlayer: |
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break; |
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case kObject: |
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break; |
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case kCamera: |
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plgDispatch::Dispatch()->RegisterForExactType(plRenderMsg::Index(), GetKey()); |
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break; |
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case kListener: |
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plgDispatch::Dispatch()->RegisterForExactType(plListenerMsg::Index(), GetKey()); |
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break; |
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} |
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if( fTarget ) |
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plgDispatch::Dispatch()->RegisterForExactType(plEvalMsg::Index(), GetKey()); |
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} |
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void plFollowMod::Deactivate() |
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{ |
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switch( fLeaderType ) |
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{ |
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case kLocalPlayer: |
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if( fTarget ) |
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plgDispatch::Dispatch()->UnRegisterForExactType(plEvalMsg::Index(), GetKey()); |
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break; |
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case kObject: |
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if( fTarget ) |
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plgDispatch::Dispatch()->UnRegisterForExactType(plEvalMsg::Index(), GetKey()); |
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break; |
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case kCamera: |
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plgDispatch::Dispatch()->UnRegisterForExactType(plRenderMsg::Index(), GetKey()); |
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break; |
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case kListener: |
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plgDispatch::Dispatch()->UnRegisterForExactType(plListenerMsg::Index(), GetKey()); |
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break; |
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} |
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} |
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void plFollowMod::Read(hsStream* stream, hsResMgr* mgr) |
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{ |
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plSingleModifier::Read(stream, mgr); |
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fLeaderType = FollowLeaderType(stream->ReadByte()); |
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fMode = stream->ReadByte(); |
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mgr->ReadKeyNotifyMe(stream, new plGenRefMsg(GetKey(), plRefMsg::kOnCreate, 0, kRefLeader), plRefFlags::kActiveRef); |
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// If active? |
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Activate(); |
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} |
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void plFollowMod::Write(hsStream* stream, hsResMgr* mgr) |
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{ |
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plSingleModifier::Write(stream, mgr); |
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stream->WriteByte(fLeaderType); |
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stream->WriteByte(fMode); |
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mgr->WriteKey(stream, fLeader); |
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} |
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