mirror of
https://github.com/Relintai/godot-lportal.git
synced 2024-11-11 10:52:09 +01:00
132 lines
4.1 KiB
C++
132 lines
4.1 KiB
C++
#pragma once
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// 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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/**
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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 "lvector.h"
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#include "lportal.h"
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class LRoomManager;
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class LRoom;
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class MeshInstance;
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// simple min max aabb
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class LAABB
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{
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public:
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Vector3 m_ptMins;
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Vector3 m_ptMaxs;
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void SetToMaxOpposite()
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{
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float ma = FLT_MAX;
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float mi = FLT_MIN;
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m_ptMins = Vector3(ma, ma, ma);
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m_ptMaxs = Vector3(mi, mi, mi);
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}
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void ExpandToEnclose(const AABB &bb)
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{
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if (bb.position.x < m_ptMins.x) m_ptMins.x = bb.position.x;
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if (bb.position.y < m_ptMins.y) m_ptMins.y = bb.position.y;
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if (bb.position.z < m_ptMins.z) m_ptMins.z = bb.position.z;
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if (bb.position.x + bb.size.x > m_ptMaxs.x) m_ptMaxs.x = bb.position.x + bb.size.x;
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if (bb.position.y + bb.size.y > m_ptMaxs.y) m_ptMaxs.y = bb.position.y + bb.size.y;
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if (bb.position.z + bb.size.z > m_ptMaxs.z) m_ptMaxs.z = bb.position.z + bb.size.z;
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}
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Vector3 FindCentre() const
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{
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Vector3 pt;
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pt.x = (m_ptMaxs.x - m_ptMins.x) * 0.5f;
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pt.y = (m_ptMaxs.y - m_ptMins.y) * 0.5f;
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pt.z = (m_ptMaxs.z - m_ptMins.z) * 0.5f;
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pt += m_ptMins;
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return pt;
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}
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};
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class LRoomConverter
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{
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public:
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// temp rooms are used as an intermediate during conversion, because we need to convert the original portals
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// and the mirror portals from 2 bits of code, and we want to end up with a final contiguous list of portals
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// for efficient rendering.
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class LTempRoom
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{
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public:
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LVector<LPortal> m_Portals;
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};
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// this function calls everything else in the converter
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void Convert(LRoomManager &manager);
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private:
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int CountRooms();
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void Convert_Rooms();
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bool Convert_Room(Spatial * pNode, int lroomID);
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void Convert_Room_FindObjects_Recursive(Node * pParent, LRoom &lroom, LAABB &bb_room);
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void Convert_Portals();
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void Convert_Bounds();
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bool Convert_Bound(LRoom &lroom, MeshInstance * pMI);
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void Convert_ShadowCasters();
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void Convert_HideAll();
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void LRoom_DetectPortalMeshes(LRoom &lroom, LTempRoom &troom);
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void LRoom_MakePortalsTwoWay(LRoom &lroom, LTempRoom &troom, int iRoomNum);
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void LRoom_MakePortalFinalList(LRoom &lroom, LTempRoom &troom);
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void LRoom_DetectedPortalMesh(LRoom &lroom, LTempRoom &troom, MeshInstance * pMeshInstance, String szLinkRoom);
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LPortal * LRoom_RequestNewPortal(LRoom &lroom);
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void LRoom_PushBackSOB(LRoom &lroom, const LSob &sob);
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// shadows
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void LRoom_FindShadowCasters(LRoom &lroom);
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void LRoom_FindShadowCasters_FromLight(LRoom &lroom, const LLight &light);
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void LRoom_FindShadowCasters_Recursive(LRoom &source_lroom, int depth, LRoom &lroom, const LLight &light, const LVector<Plane> &planes);
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void LRoom_AddShadowCaster_SOB(LRoom &lroom, int sobID);
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void TRoom_MakeOppositePortal(const LPortal &port, int iRoomOrig);
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// helper
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bool Node_IsRoom(Node * pNode) const;
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bool Node_IsPortal(Node * pNode) const;
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bool Node_IsBound(Node * pNode) const;
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bool Node_IsIgnore(Node * pNode) const;
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int FindRoom_ByName(String szName) const;
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LRoomManager * m_pManager;
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LVector<LTempRoom> m_TempRooms;
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bool Bound_AddPlaneIfUnique(LVector<Plane> &planes, const Plane &p);
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};
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