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2026-02-02 04:50:13 +01:00

394 lines
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C++

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