154 lines
5 KiB
C++
154 lines
5 KiB
C++
/*
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** Command & Conquer Renegade(tm)
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** Copyright 2025 Electronic Arts Inc.
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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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*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
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***********************************************************************************************
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* *
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* Project Name : WWMath *
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* *
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* $Archive:: /VSS_Sync/wwmath/cullsys.cpp $*
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* *
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* Author:: Greg Hjelstrom *
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* *
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* $Modtime:: 10/16/00 11:42a $*
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* *
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* $Revision:: 5 $*
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "cullsys.h"
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#include "wwdebug.h"
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#include "wwprofile.h"
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/*************************************************************************
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**
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** CullableClass Implementation
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**
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*************************************************************************/
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CullableClass::CullableClass(void) :
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CullLink(NULL),
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NextCollected(NULL)
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{
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CullBox.Init(Vector3(0,0,0),Vector3(1,1,1));
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}
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CullableClass::~CullableClass(void)
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{
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// the cull system that contains us is responsible for any culling link
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// so we better be out of it and it should have cleared our pointer before
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// we are deleted.
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WWASSERT(CullLink == NULL);
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}
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void CullableClass::Set_Cull_Box(const AABoxClass & box,bool just_loaded)
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{
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CullBox = box;
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WWPROFILE("Cullable::Set_Cull_Box");
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// Just_loaded flag allows us to update the box without notifying the
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// culling system. Use this when you've saved and loaded the linkage
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// so you know you're in the right node of the culling system...
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if (!just_loaded) {
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CullSystemClass * sys = Get_Culling_System();
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if (sys != NULL) {
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sys->Update_Culling(this);
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}
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}
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}
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void CullableClass::Set_Culling_System(CullSystemClass * sys)
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{
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if (CullLink) {
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CullLink->Set_Culling_System(sys);
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}
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}
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CullSystemClass * CullableClass::Get_Culling_System(void) const
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{
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if (CullLink) {
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return CullLink->Get_Culling_System();
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}
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return NULL;
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}
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/*************************************************************************
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**
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** CullSystemClass Implementation
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**
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** The base CullSystemClass mainly contains code for maintaining the
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** current collection list and iterating through it.
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**
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*************************************************************************/
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CullSystemClass::CullSystemClass(void) :
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CollectionHead(NULL)
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{
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}
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CullSystemClass::~CullSystemClass(void)
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{
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}
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// NOTE: THE Get_() functions currently are the same as the Peek_() functions (e.g., they do not
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// add a Ref). This is wrong and will be fixed.
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CullableClass * CullSystemClass::Get_First_Collected_Object_Internal(void)
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{
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return CollectionHead;
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}
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CullableClass * CullSystemClass::Get_Next_Collected_Object_Internal(CullableClass * obj)
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{
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if (obj != NULL) {
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return obj->NextCollected;
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}
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return NULL;
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}
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CullableClass * CullSystemClass::Peek_First_Collected_Object_Internal(void)
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{
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return CollectionHead;
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}
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CullableClass * CullSystemClass::Peek_Next_Collected_Object_Internal(CullableClass * obj)
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{
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if (obj != NULL) {
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return obj->NextCollected;
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}
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return NULL;
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}
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void CullSystemClass::Reset_Collection(void)
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{
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CollectionHead = NULL;
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}
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void CullSystemClass::Add_To_Collection(CullableClass * obj)
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{
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WWASSERT(obj != NULL);
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obj->NextCollected = CollectionHead;
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CollectionHead = obj;
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}
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