117 lines
3.7 KiB
C++
117 lines
3.7 KiB
C++
// Copyright (c) 2019 Lawnjelly
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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/* room_manager.h */
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#ifndef LROOM_MANAGER_H
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#define LROOM_MANAGER_H
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/**
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@author lawnjelly <lawnjelly@gmail.com>
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*/
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#include "scene/3d/spatial.h"
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#include "lbitfield_dynamic.h"
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#include "lplanes_pool.h"
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#include "lroom.h"
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#include "lportal.h"
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class LRoomManager : public Spatial {
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GDCLASS(LRoomManager, Spatial);
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friend class LRoom;
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friend class LRoomConverter;
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// godot ID of the camera (which should be registered as a DOB to allow moving between rooms)
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ObjectID m_cameraID;
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// keep track of which rooms are visible, so we can hide ones that aren't hit that were previously on
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Lawn::LBitField_Dynamic m_BF_visible_rooms;
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LVector<int> m_VisibleRoomList[2];
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LVector<int> * m_pCurr_VisibleRoomList;
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LVector<int> * m_pPrev_VisibleRoomList;
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// keep a frame counter, to mark when objects have been hit by the visiblity algorithm
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// already to prevent multiple hits on rooms and objects
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unsigned int m_uiFrameCounter;
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public:
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LRoomManager();
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// convert empties and meshes to rooms and portals
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void rooms_convert();
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// choose which camera you want to use to determine visibility.
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// normally this will be your main camera, but you can choose another for debugging
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void rooms_set_camera(Node * pCam);
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// Dynamic objects .. cameras, players, boxes etc
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// These are defined by their ability to move from room to room.
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// You can still move static objects within the same room (e.g. elevators, moving platforms)
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// as these don't require checks for changing rooms.
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void dob_register(Node * pDOB);
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void dob_unregister(Node * pDOB);
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bool dob_update(Node * pDOB);
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bool dob_teleport(Node * pDOB);
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// supplementary functions available from script
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int dob_get_room_id(Node * pDOB);
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Node * rooms_get_room(int room_id);
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protected:
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static void _bind_methods();
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void _notification(int p_what);
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// The recursive visibility function needs to allocate loads of planes.
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// We use a pool for this instead of allocating on the fly.
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LPlanesPool m_Pool;
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private:
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// helper funcs
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const LRoom * GetRoom(int i) const;
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LRoom * GetRoom(int i);
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LRoom * GetRoomFromDOB(Node * pNode);
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int FindClosestRoom(const Vector3 &pt) const;
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// for DOBs, we need some way of storing the room ID on them, so we use metadata (currently)
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// this is pretty gross but hey ho
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int Obj_GetRoomNum(Node * pNode) const;
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void Obj_SetRoomNum(Node * pNode, int num);
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// this is where we do all the culling
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void FrameUpdate();
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// find which room is linked by a portal
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LRoom &Portal_GetLinkedRoom(const LPortal &port);
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// lists of rooms and portals, contiguous list so cache friendly
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LVector<LRoom> m_Rooms;
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LVector<LPortal> m_Portals;
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};
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#endif
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