138 lines
4.4 KiB
C++
138 lines
4.4 KiB
C++
class CEntity;
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class CCullZone
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{
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public:
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CVector position;
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float minx;
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float maxx;
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float miny;
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float maxy;
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float minz;
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float maxz;
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int32 m_indexStart;
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int16 m_groupIndexCount[3]; // only useful during resolution stage
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int16 m_numBuildings;
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int16 m_numTreadablesPlus10m;
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int16 m_numTreadables;
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void DoStuffLeavingZone(void);
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static void DoStuffLeavingZone_OneBuilding(uint16 i);
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static void DoStuffLeavingZone_OneTreadableBoth(uint16 i);
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void DoStuffEnteringZone(void);
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static void DoStuffEnteringZone_OneBuilding(uint16 i);
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static void DoStuffEnteringZone_OneTreadablePlus10m(uint16 i);
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static void DoStuffEnteringZone_OneTreadable(uint16 i);
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static bool TestLine(CVector vec1, CVector vec2);
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static bool DoThoroughLineTest(CVector vec1, CVector vec2, CEntity *testEntity);
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float CalcDistToCullZoneSquared(float x, float y);
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float CalcDistToCullZone(float x, float y) { return Sqrt(CalcDistToCullZoneSquared(x, y)); };
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bool IsEntityCloseEnoughToZone(CEntity* entity, bool checkLevel);
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bool PointFallsWithinZone(CVector pos, float radius);
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bool TestEntityVisibilityFromCullZone(CEntity *entity, float extraDist, CEntity *LODentity);
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void FindTestPoints();
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void GetGroupStartAndSize(int32 groupid, int32 &start, int32 &size) {
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switch (groupid) {
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case 0:
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default:
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// buildings
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start = m_indexStart;
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size = m_groupIndexCount[0];
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break;
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case 1:
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// treadables + 10m
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start = m_groupIndexCount[0] + m_indexStart;
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size = m_groupIndexCount[1];
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break;
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case 2:
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// treadables
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start = m_groupIndexCount[0] + m_groupIndexCount[1] + m_indexStart;
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size = m_groupIndexCount[2];
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break;
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}
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}
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};
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enum eZoneAttribs
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{
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ATTRZONE_CAMCLOSEIN = 1,
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ATTRZONE_STAIRS = 2,
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ATTRZONE_1STPERSON = 4,
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ATTRZONE_NORAIN = 8,
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ATTRZONE_NOPOLICE = 0x10,
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ATTRZONE_NOTCULLZONE = 0x20,
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ATTRZONE_DOINEEDCOLLISION = 0x40,
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ATTRZONE_SUBWAYVISIBLE = 0x80,
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};
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struct CAttributeZone
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{
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float minx;
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float maxx;
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float miny;
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float maxy;
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float minz;
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float maxz;
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int16 attributes;
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int16 wantedLevel;
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};
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class CCullZones
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{
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public:
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static int32 NumCullZones;
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static CCullZone aZones[NUMCULLZONES];
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static int32 NumAttributeZones;
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static CAttributeZone aAttributeZones[NUMATTRIBZONES];
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static uint16 aIndices[NUMZONEINDICES];
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static int16 aPointersToBigBuildingsForBuildings[NUMBUILDINGS];
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static int16 aPointersToBigBuildingsForTreadables[NUMTREADABLES];
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static int32 CurrentWantedLevelDrop_Player;
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static int32 CurrentFlags_Camera;
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static int32 CurrentFlags_Player;
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static int32 OldCullZone;
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static int32 EntityIndicesUsed;
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static bool bCurrentSubwayIsInvisible;
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static bool bCullZonesDisabled;
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static void Init(void);
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static void ResolveVisibilities(void);
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static void Update(void);
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static void ForceCullZoneCoors(CVector coors);
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static int32 FindCullZoneForCoors(CVector coors);
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static int32 FindAttributesForCoors(CVector coors, int32 *wantedLevel);
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static CAttributeZone *FindZoneWithStairsAttributeForPlayer(void);
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static void MarkSubwayAsInvisible(bool visible);
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static void AddCullZone(CVector const &position,
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float minx, float maxx,
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float miny, float maxy,
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float minz, float maxz,
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uint16 flag, int16 wantedLevel);
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static bool CamCloseInForPlayer(void) { return (CurrentFlags_Player & ATTRZONE_CAMCLOSEIN) != 0; }
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static bool CamStairsForPlayer(void) { return (CurrentFlags_Player & ATTRZONE_STAIRS) != 0; }
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static bool Cam1stPersonForPlayer(void) { return (CurrentFlags_Player & ATTRZONE_1STPERSON) != 0; }
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static bool NoPolice(void) { return (CurrentFlags_Player & ATTRZONE_NOPOLICE) != 0; }
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static bool DoINeedToLoadCollision(void) { return (CurrentFlags_Player & ATTRZONE_DOINEEDCOLLISION) != 0; }
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static bool PlayerNoRain(void) { return (CurrentFlags_Player & ATTRZONE_NORAIN) != 0; }
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static bool CamNoRain(void) { return (CurrentFlags_Camera & ATTRZONE_NORAIN) != 0; }
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static int32 GetWantedLevelDrop(void) { return CurrentWantedLevelDrop_Player; }
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static void BuildListForBigBuildings();
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static void DoVisibilityTestCullZone(int zoneId, bool doIt);
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static bool DoWeHaveMoreThanXOccurencesOfSet(int32 count, uint16 *set);
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static void CompressIndicesArray();
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static bool PickRandomSetForGroup(int32 zone, int32 group, uint16 *set);
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static void ReplaceSetForAllGroups(uint16 *set, uint16 setid);
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static void TidyUpAndMergeLists(uint16 *extraIndices, int32 numExtraIndices);
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// debug
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static bool LoadTempFile(void);
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static void SaveTempFile(void);
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};
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