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Initial commit of Command & Conquer Renegade source code.
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LFeenanEA
239
Code/wwphys/Pathfind.h
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239
Code/wwphys/Pathfind.h
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/*
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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 : LevelEdit *
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* *
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* $Archive:: /Commando/Code/wwphys/Pathfind.h $*
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* *
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* Author:: Patrick Smith *
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* *
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* $Modtime:: 10/15/01 5:19p $*
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* *
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* $Revision:: 20 $*
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#if defined(_MSC_VER)
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#pragma once
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#endif
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#ifndef __PATHFIND_H
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#define __PATHFIND_H
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#include "aabtreecull.h"
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#include "pathfindsector.h"
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#include "widgetuser.h"
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/////////////////////////////////////////////////////////////////////////
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// Forward declarations
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/////////////////////////////////////////////////////////////////////////
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class Vector3;
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class ChunkSaveClass;
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class ChunkLoadClass;
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class PhysClass;
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class PathDebugPlotterClass;
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class PathfindPortalClass;
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class WaypathClass;
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class PathfindWaypathSectorClass;
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class PathfindWaypathPortalClass;
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/////////////////////////////////////////////////////////////////////////
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//
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// PathfindClass
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//
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/////////////////////////////////////////////////////////////////////////
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class PathfindClass
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{
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public:
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typedef enum
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{
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WAYPATH_PORTAL_ID_START = 64000,
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TEMP_PORTAL_ID_START = 128000
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} PORTAL_ID_RANGES;
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/////////////////////////////////////////////////////////////////////////
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// Public constructors/destructors
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/////////////////////////////////////////////////////////////////////////
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PathfindClass (void);
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~PathfindClass (void);
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/////////////////////////////////////////////////////////////////////////
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// Public methods
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/////////////////////////////////////////////////////////////////////////
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//
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// Database methods
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//
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void Add_Sector (PathfindSectorClass *sector, bool add_to_tree = true);
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int Add_Portal (PathfindPortalClass *portal);
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PathfindPortalClass * Peek_Portal (int portal_index);
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PathfindSectorClass * Peek_Sector (int sector_index);
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int Get_Sector_Index (PathfindSectorClass *sector);
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void Re_Partition_Sector_Tree (void);
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PathfindSectorClass * Find_Sector (const Vector3 &position, float sector_fudge = 0, PathfindSectorClass *exclude_sector = NULL);
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void Collect_Sectors (DynamicVectorClass<PathfindSectorClass *> &list, const AABoxClass &box, PathfindSectorClass *exclude_sector = NULL);
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bool Find_Random_Spot (const Vector3 ¢er, float max_dist, Vector3 *dest);
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bool Save (ChunkSaveClass &csave);
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bool Load (ChunkLoadClass &cload);
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int Add_Temporary_Portal (PathfindSectorClass *sector_from, PathfindSectorClass *sector_to, const Vector3 &start_pos, const Vector3 &dest_pos);
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//
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// Statistics
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//
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const AABoxClass & Get_Bounding_Box (void) { return m_SectorTree.Get_Bounding_Box (); }
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bool Does_Pathfind_Data_Exist (void) { return bool(m_SectorList.Count () > 0); }
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//
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// Waypath methods
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//
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void Add_Waypath (WaypathClass *waypath);
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bool Remove_Waypath (WaypathClass *waypath);
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WaypathClass * Find_Waypath (int id) const;
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int Count_Waypaths_Starting_In_Box (const AABoxClass & box);
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WaypathClass * Get_Waypath_Starting_In_Box (const AABoxClass & box,int i);
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//
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// Waypath integration
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//
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void Generate_Waypath_Sectors_And_Portals (void);
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void Free_Waypath_Sectors_And_Portals (void);
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//
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// Height database lookup
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//
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float Get_Height_Value (const Vector3 &pos);
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//
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// Debug methods
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//
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bool Are_Sectors_Displayed (void) const { return m_SectorsDisplayed; }
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bool Are_Portals_Displayed (void) const { return m_PortalsDisplayed; }
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void Display_Sectors (bool onoff);
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void Display_Portals (bool onoff);
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void Render_Debug_Widgets (RenderInfoClass &rinfo);
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//
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// Cleanup methods
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//
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void Reset_Sectors (void);
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void Reset_Portals (void);
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void Reset_Waypaths (void);
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//
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// Sector list access
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//
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void Get_Sector_List (DynamicVectorClass<PathfindSectorClass *> &list) { list = m_SectorList; }
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//
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// Intersection methods
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//
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void Find_Portals (const Vector3 &p0, const Vector3 &p1, DynamicVectorClass<PathfindPortalClass *> &list, bool action_portals_only = false);
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/////////////////////////////////////////////////////////////////////////
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// Static methods
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/////////////////////////////////////////////////////////////////////////
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static PathfindClass * Get_Instance (void) { return _Pathfinder; }
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static int _MemoryFootprint;
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protected:
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/////////////////////////////////////////////////////////////////////////
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// Protected methods
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/////////////////////////////////////////////////////////////////////////
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bool Save_Portals (ChunkSaveClass &csave);
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bool Save_Waypaths (ChunkSaveClass &csave);
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bool Save_Sector (ChunkSaveClass &csave, PathfindSectorClass *sector);
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bool Load_Sector (ChunkLoadClass &cload);
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bool Load_Portal (ChunkLoadClass &cload, PathfindPortalClass *portal);
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bool Save_Culling_System (ChunkSaveClass &csave);
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bool Load_Culling_System (ChunkLoadClass &cload);
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void Generate_Waypath_Sector_And_Portals (WaypathClass *waypath);
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void Add_Intersection_Portals_To_List (DynamicVectorClass<PathfindWaypathPortalClass *> &portal_list, WaypathClass *waypath, PathfindWaypathSectorClass *dest_sector);
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int Add_Waypath_Portal (PathfindWaypathPortalClass *portal);
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private:
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/////////////////////////////////////////////////////////////////////////
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// Static member data
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/////////////////////////////////////////////////////////////////////////
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static PathfindClass * _Pathfinder;
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/////////////////////////////////////////////////////////////////////////
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// Private data types
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/////////////////////////////////////////////////////////////////////////
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typedef TypedAABTreeCullSystemClass<PathfindSectorClass> SectorCullingSystem;
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typedef DynamicVectorClass<PathfindSectorClass *> SECTOR_LIST;
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typedef DynamicVectorClass<PathfindPortalClass *> PORTAL_LIST;
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typedef DynamicVectorClass<PhysClass *> DISPLAY_LIST;
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typedef DynamicVectorClass<WaypathClass *> WAYPATH_LIST;
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/////////////////////////////////////////////////////////////////////////
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// Private member data
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/////////////////////////////////////////////////////////////////////////
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SectorCullingSystem m_SectorTree;
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SECTOR_LIST m_SectorList;
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PORTAL_LIST m_PortalList;
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DISPLAY_LIST m_SectorDisplayList;
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WAYPATH_LIST m_WaypathList;
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bool m_SectorsDisplayed;
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bool m_PortalsDisplayed;
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PathDebugPlotterClass *m_Plotter;
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PORTAL_LIST m_TemporaryPortalList;
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PORTAL_LIST m_WaypathPortalList;
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WidgetUserClass m_SectorDisplayWidgets;
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WidgetUserClass m_PortalDisplayWidgets;
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};
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/////////////////////////////////////////////////////////////////////////
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// Peek_Sector
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/////////////////////////////////////////////////////////////////////////
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inline PathfindSectorClass *
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PathfindClass::Peek_Sector (int sector_index)
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{
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if (sector_index >= 0 && sector_index < m_SectorList.Count ()) {
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return m_SectorList[sector_index];
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} else {
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return NULL;
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}
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}
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#endif //__PATHFIND_H
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