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393
engines/hpl1/engine/scene/Entity3D.cpp
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393
engines/hpl1/engine/scene/Entity3D.cpp
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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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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*
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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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*
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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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*
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*/
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/*
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* Copyright (C) 2006-2010 - Frictional Games
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*
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* This file is part of HPL1 Engine.
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*/
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#include "hpl1/engine/scene/Entity3D.h"
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#include "hpl1/engine/graphics/RenderList.h"
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#include "hpl1/engine/math/Math.h"
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#include "hpl1/engine/scene/Node3D.h"
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#include "hpl1/engine/system/low_level_system.h"
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#include "hpl1/engine/scene/PortalContainer.h"
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namespace hpl {
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//////////////////////////////////////////////////////////////////////////
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// CONSTRUCTORS
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//////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------
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iEntity3D::iEntity3D(tString asName) : iEntity(asName) {
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m_mtxLocalTransform = cMatrixf::Identity;
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m_mtxWorldTransform = cMatrixf::Identity;
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mbTransformUpdated = true;
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mlCount = 0;
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mlGlobalRenderCount = cRenderList::GetGlobalRenderCount();
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msSourceFile = "";
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mbApplyTransformToBV = true;
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mbUpdateBoundingVolume = true;
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mpParent = NULL;
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mlIteratorCount = -1;
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mpCurrentSector = NULL;
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}
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iEntity3D::~iEntity3D() {
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if (mpParent)
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mpParent->RemoveChild(this);
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for (tEntity3DListIt it = mlstChildren.begin(); it != mlstChildren.end(); ++it) {
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iEntity3D *pChild = *it;
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pChild->mpParent = NULL;
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}
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}
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//-----------------------------------------------------------------------
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//////////////////////////////////////////////////////////////////////////
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// PUBLIC METHODS
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//////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------
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cVector3f iEntity3D::GetLocalPosition() {
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return m_mtxLocalTransform.GetTranslation();
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}
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//-----------------------------------------------------------------------
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cMatrixf &iEntity3D::GetLocalMatrix() {
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return m_mtxLocalTransform;
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}
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//-----------------------------------------------------------------------
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cVector3f iEntity3D::GetWorldPosition() {
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UpdateWorldTransform();
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return m_mtxWorldTransform.GetTranslation();
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}
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//-----------------------------------------------------------------------
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cMatrixf &iEntity3D::GetWorldMatrix() {
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UpdateWorldTransform();
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return m_mtxWorldTransform;
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}
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//-----------------------------------------------------------------------
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void iEntity3D::SetPosition(const cVector3f &avPos) {
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m_mtxLocalTransform.m[0][3] = avPos.x;
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m_mtxLocalTransform.m[1][3] = avPos.y;
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m_mtxLocalTransform.m[2][3] = avPos.z;
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SetTransformUpdated();
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}
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//-----------------------------------------------------------------------
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void iEntity3D::SetMatrix(const cMatrixf &a_mtxTransform) {
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m_mtxLocalTransform = a_mtxTransform;
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SetTransformUpdated();
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}
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//-----------------------------------------------------------------------
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void iEntity3D::SetWorldPosition(const cVector3f &avWorldPos) {
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if (mpParent) {
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SetPosition(avWorldPos - mpParent->GetWorldPosition());
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} else {
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SetPosition(avWorldPos);
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}
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}
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//-----------------------------------------------------------------------
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void iEntity3D::SetWorldMatrix(const cMatrixf &a_mtxWorldTransform) {
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if (mpParent) {
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SetMatrix(cMath::MatrixMul(cMath::MatrixInverse(mpParent->GetWorldMatrix()),
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a_mtxWorldTransform));
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} else {
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SetMatrix(a_mtxWorldTransform);
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}
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}
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//-----------------------------------------------------------------------
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void iEntity3D::SetTransformUpdated(bool abUpdateCallbacks) {
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mbTransformUpdated = true;
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mlCount++;
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// Perhaps not update this yet? This is baaaad!
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if (mbApplyTransformToBV)
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mBoundingVolume.SetTransform(GetWorldMatrix());
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mbUpdateBoundingVolume = true;
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// Update children
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for (tEntity3DListIt EntIt = mlstChildren.begin(); EntIt != mlstChildren.end(); ++EntIt) {
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iEntity3D *pChild = *EntIt;
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pChild->SetTransformUpdated(true);
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}
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// Update callbacks
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if (mlstCallbacks.empty() || abUpdateCallbacks == false)
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return;
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tEntityCallbackListIt it = mlstCallbacks.begin();
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for (; it != mlstCallbacks.end(); ++it) {
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iEntityCallback *pCallback = *it;
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pCallback->OnTransformUpdate(this);
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}
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}
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//-----------------------------------------------------------------------
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bool iEntity3D::GetTransformUpdated() {
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return mbTransformUpdated;
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}
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//-----------------------------------------------------------------------
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int iEntity3D::GetTransformUpdateCount() {
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return mlCount;
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}
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//-----------------------------------------------------------------------
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void iEntity3D::AddCallback(iEntityCallback *apCallback) {
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mlstCallbacks.push_back(apCallback);
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}
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//-----------------------------------------------------------------------
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void iEntity3D::RemoveCallback(iEntityCallback *apCallback) {
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STLFindAndDelete(mlstCallbacks, apCallback);
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}
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//-----------------------------------------------------------------------
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void iEntity3D::AddChild(iEntity3D *apEntity) {
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if (apEntity == NULL)
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return;
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if (apEntity->mpParent != NULL)
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return;
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mlstChildren.push_back(apEntity);
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apEntity->mpParent = this;
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apEntity->SetTransformUpdated(true);
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}
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void iEntity3D::RemoveChild(iEntity3D *apEntity) {
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for (tEntity3DListIt it = mlstChildren.begin(); it != mlstChildren.end();) {
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iEntity3D *pChild = *it;
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if (pChild == apEntity) {
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pChild->mpParent = NULL;
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it = mlstChildren.erase(it);
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} else {
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++it;
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}
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}
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}
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bool iEntity3D::IsChild(iEntity3D *apEntity) {
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for (tEntity3DListIt it = mlstChildren.begin(); it != mlstChildren.end(); ++it) {
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iEntity3D *pChild = *it;
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if (pChild == apEntity)
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return true;
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}
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return false;
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}
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iEntity3D *iEntity3D::GetEntityParent() {
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return mpParent;
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}
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//-----------------------------------------------------------------------
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bool iEntity3D::IsInSector(cSector *apSector) {
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// Log("-- %s --\n",msName.c_str());
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// bool bShouldReturnTrue = false;
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if (apSector == GetCurrentSector()) {
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// Log("Should return true\n");
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// bShouldReturnTrue = true;
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return true;
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}
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tRenderContainerDataList *pDataList = GetRenderContainerDataList();
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tRenderContainerDataListIt it = pDataList->begin();
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for (; it != pDataList->end(); ++it) {
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iRenderContainerData *pRenderContainerData = *it;
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cSector *pSector = static_cast<cSector *>(pRenderContainerData);
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// Log("%s (%d) vs %s (%d)\n",pSector->GetId().c_str(),pSector, apSector->GetId().c_str(),apSector);
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if (pSector == apSector) {
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// Log("return true!\n");
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return true;
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}
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}
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// if(bShouldReturnTrue)Log(" %s should have returned true. Sectors: %d\n",msName.c_str(), mlstRenderContainerData.size());
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// Log("return false!\n");
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return false;
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}
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//-----------------------------------------------------------------------
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//////////////////////////////////////////////////////////////////////////
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// PRIVATE METHODS
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//////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------
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void iEntity3D::UpdateWorldTransform() {
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if (mbTransformUpdated) {
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mbTransformUpdated = false;
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// first check if there is a node parent
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if (mpParentNode) {
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cNode3D *pNode3D = static_cast<cNode3D *>(mpParentNode);
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m_mtxWorldTransform = cMath::MatrixMul(pNode3D->GetWorldMatrix(), m_mtxLocalTransform);
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}
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// If there is no node parent check for entity parent
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else if (mpParent) {
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m_mtxWorldTransform = cMath::MatrixMul(mpParent->GetWorldMatrix(), m_mtxLocalTransform);
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} else {
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m_mtxWorldTransform = m_mtxLocalTransform;
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}
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}
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}
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//-----------------------------------------------------------------------
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//////////////////////////////////////////////////////////////////////////
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// SAVE OBJECT STUFF
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//////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------
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kBeginSerializeVirtual(cSaveData_iEntity3D, cSaveData_iEntity)
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kSerializeVar(m_mtxLocalTransform, eSerializeType_Matrixf)
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kSerializeVar(mBoundingVolume, eSerializeType_Class)
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kSerializeVar(msSourceFile, eSerializeType_String)
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kSerializeVar(mlParentId, eSerializeType_Int32)
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kSerializeVarContainer(mlstChildren, eSerializeType_Int32)
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kEndSerialize()
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//-----------------------------------------------------------------------
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iSaveData *iEntity3D::CreateSaveData() {
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return NULL;
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}
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//-----------------------------------------------------------------------
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void iEntity3D::SaveToSaveData(iSaveData *apSaveData) {
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kSaveData_SaveToBegin(iEntity3D);
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// Log("-------- Saving %s --------------\n",msName.c_str());
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kSaveData_SaveTo(m_mtxLocalTransform);
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kSaveData_SaveTo(mBoundingVolume);
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kSaveData_SaveTo(msSourceFile);
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kSaveData_SaveObject(mpParent, mlParentId);
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kSaveData_SaveIdList(mlstChildren, tEntity3DListIt, mlstChildren);
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/*if(mlstChildren.empty()==false)
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{
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Log("Children in '%s'/'%s': ",msName.c_str(),GetEntityType().c_str());
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for(tEntity3DListIt it=mlstChildren.begin(); it != mlstChildren.end(); ++it)
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{
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iEntity3D *pEntity = *it;
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Log("('%d/%s'/'%s'), ",pEntity->GetSaveObjectId(),pEntity->GetName().c_str(),pEntity->GetEntityType().c_str());
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}
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Log("\n");
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}*/
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}
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//-----------------------------------------------------------------------
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void iEntity3D::LoadFromSaveData(iSaveData *apSaveData) {
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kSaveData_LoadFromBegin(iEntity3D);
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// Log("-------- Loading %s --------------\n",msName.c_str());
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SetMatrix(pData->m_mtxLocalTransform);
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// Not sure of this is needed:
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kSaveData_LoadFrom(mBoundingVolume);
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kSaveData_LoadFrom(msSourceFile);
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}
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//-----------------------------------------------------------------------
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void iEntity3D::SaveDataSetup(cSaveObjectHandler *apSaveObjectHandler, cGame *apGame) {
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kSaveData_SetupBegin(iEntity3D);
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// Log("-------- Setup %s --------------\n",msName.c_str());
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// kSaveData_LoadObject(mpParent,mlParentId,iEntity3D*);
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// kSaveData_LoadIdList(mlstChildren,mlstChildren,iEntity3D*);
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if (pData->mlParentId != -1 && mpParent == NULL) {
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iEntity3D *pParentEntity = static_cast<iEntity3D *>(apSaveObjectHandler->Get(pData->mlParentId));
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if (pParentEntity)
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pParentEntity->AddChild(this);
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else
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Error("Couldn't find parent entity id %d for '%s'\n", pData->mlParentId, GetName().c_str());
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}
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cContainerListIterator<int> it = pData->mlstChildren.GetIterator();
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while (it.HasNext()) {
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int mlId = it.Next();
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if (mlId != -1) {
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iEntity3D *pChildEntity = static_cast<iEntity3D *>(apSaveObjectHandler->Get(mlId));
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if (pChildEntity)
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AddChild(pChildEntity);
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else
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Error("Couldn't find child entity id %d for '%s'\n", mlId, GetName().c_str());
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}
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}
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SetTransformUpdated(true);
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}
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//-----------------------------------------------------------------------
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} // namespace hpl
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