169 lines
No EOL
6.2 KiB
C++
169 lines
No EOL
6.2 KiB
C++
/*
|
|
** Command & Conquer Renegade(tm)
|
|
** Copyright 2025 Electronic Arts Inc.
|
|
**
|
|
** 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/>.
|
|
*/
|
|
|
|
/***********************************************************************************************
|
|
*** 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 ***
|
|
***********************************************************************************************
|
|
* *
|
|
* Project Name : WWPhys *
|
|
* *
|
|
* $Archive:: /Commando/Code/wwphys/staticaabtreecull.h $*
|
|
* *
|
|
* Original Author:: Greg Hjelstrom *
|
|
* *
|
|
* $Author:: Greg_h $*
|
|
* *
|
|
* $Modtime:: 4/19/01 2:41p $*
|
|
* *
|
|
* $Revision:: 5 $*
|
|
* *
|
|
*---------------------------------------------------------------------------------------------*
|
|
* Functions: *
|
|
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
|
|
|
|
#if defined(_MSC_VER)
|
|
#pragma once
|
|
#endif
|
|
|
|
#ifndef STATICAABTREECULL_H
|
|
#define STATICAABTREECULL_H
|
|
|
|
#include "always.h"
|
|
#include "physaabtreecull.h"
|
|
#include "wwdebug.h"
|
|
#include "physlist.h"
|
|
|
|
|
|
class VisTableClass;
|
|
class CameraClass;
|
|
class VisRenderContextClass;
|
|
class VisSampleClass;
|
|
class ChunkLoadClass;
|
|
class ChunkSaveClass;
|
|
|
|
|
|
/*
|
|
** StaticAABTreeCullClass
|
|
** This is a derived axis-aligned bounding box tree for culling static objects.
|
|
** It adds the visibility code to the basic AAB-Tree culling system
|
|
*/
|
|
class StaticAABTreeCullClass : public PhysAABTreeCullClass
|
|
{
|
|
|
|
public:
|
|
|
|
StaticAABTreeCullClass(PhysicsSceneClass * pscene);
|
|
~StaticAABTreeCullClass(void);
|
|
|
|
/*
|
|
** StaticAABTreeCullClass over-rides the add and remove methods in order to add
|
|
** vis-data support.
|
|
** NOTE: the objects added should be derived from StaticPhysClass's. This is
|
|
** asserted internally.
|
|
*/
|
|
virtual void Add_Object(PhysClass * obj,int cull_node_id = -1);
|
|
virtual void Remove_Object(PhysClass * obj);
|
|
virtual void Update_Culling(CullableClass * obj);
|
|
|
|
/*
|
|
** PhysAABTreeCullClass adds a new collect function which takes the pvs data
|
|
** into account. It also puts objects into one of two lists, separating
|
|
** world-space-meshes from the other objects.
|
|
*/
|
|
void Collect_Visible_Objects( const FrustumClass & frustum,
|
|
VisTableClass * pvs,
|
|
RefPhysListClass & visobjlist,
|
|
RefPhysListClass & wsmeshlist );
|
|
|
|
/*
|
|
** Save/Load system.
|
|
*/
|
|
virtual void Save_Static_Data(ChunkSaveClass & csave);
|
|
virtual void Load_Static_Data(ChunkLoadClass & cload);
|
|
|
|
protected:
|
|
|
|
/*
|
|
** VisObjCollectContextClass - this object is passed into the recursive function that collects
|
|
** the visible objects each frame.
|
|
*/
|
|
class VisObjCollectContextClass
|
|
{
|
|
public:
|
|
|
|
VisObjCollectContextClass
|
|
(
|
|
const FrustumClass & frustum,
|
|
VisTableClass & pvs,
|
|
RefPhysListClass & visobjlist,
|
|
RefPhysListClass & wsmeshlist
|
|
) :
|
|
Frustum(frustum),
|
|
PVS(pvs),
|
|
VisObjList(visobjlist),
|
|
WSMeshList(wsmeshlist),
|
|
PlanesPassed(0)
|
|
{
|
|
}
|
|
|
|
const FrustumClass & Frustum;
|
|
VisTableClass & PVS;
|
|
RefPhysListClass & VisObjList;
|
|
RefPhysListClass & WSMeshList;
|
|
int PlanesPassed;
|
|
};
|
|
|
|
/*
|
|
** Run-time visiblity support
|
|
*/
|
|
void Collect_Visible_Objects_Recursive(AABTreeNodeClass * node,VisObjCollectContextClass & context);
|
|
void Collect_Visible_Objects_No_HVis_Recursive(AABTreeNodeClass * node,VisObjCollectContextClass & context);
|
|
|
|
int Get_Vis_Sector_ID(const Vector3 & sample_point);
|
|
StaticPhysClass * Find_Vis_Tile(const Vector3 & sample_point);
|
|
|
|
/*
|
|
** Visibility Preprocessing support
|
|
*/
|
|
void Assign_Vis_IDs(void);
|
|
|
|
void Evaluate_Occluder_Visibility(VisRenderContextClass & context,VisSampleClass & sample);
|
|
void Evaluate_Non_Occluder_Visibility(VisRenderContextClass & context,VisSampleClass & sample);
|
|
|
|
void Render_Occluders(AABTreeNodeClass * node,VisRenderContextClass & context);
|
|
void Collect_Non_Occluders(AABTreeNodeClass * node,VisRenderContextClass & context,RefPhysListClass & non_occluder_list);
|
|
|
|
void Propogate_Hierarchical_Visibility(VisTableClass * pvs);
|
|
void Propogate_Hierarchical_Visibility_Recursive(AABTreeNodeClass * node,VisTableClass * pvs);
|
|
bool Is_Child_Visible(AABTreeNodeClass * node,VisTableClass * pvs);
|
|
|
|
/*
|
|
** Visibility Optimization support (preprocessing still)
|
|
*/
|
|
void Merge_Vis_Object_IDs(uint32 id0,uint32 id1);
|
|
void Merge_Vis_Sector_IDs(uint32 id0,uint32 id1);
|
|
|
|
/*
|
|
** Making Physics Scene a friend so that some of the more ugly vis-system interfaces
|
|
** can be accessed by it without exposing them to everyone else...
|
|
*/
|
|
friend class PhysicsSceneClass;
|
|
};
|
|
|
|
#endif //STATICAABTREECULL_H
|