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FluorescentCIAAfricanAmerican
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================//
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#ifndef AI_MOVEPROBE_H
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#define AI_MOVEPROBE_H
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#include "ai_component.h"
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#include "ai_navtype.h"
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#include "ai_movetypes.h"
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#if defined( _WIN32 )
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#pragma once
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#endif
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//-----------------------------------------------------------------------------
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// Purpose: Set of basic tools for probing box movements through space.
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// No moves actually take place
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//-----------------------------------------------------------------------------
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enum AI_TestGroundMoveFlags_t
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{
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AITGM_DEFAULT = 0,
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AITGM_IGNORE_FLOOR = 0x01,
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AITGM_IGNORE_INITIAL_STAND_POS = 0x02,
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AITGM_2D = 0x04,
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AITGM_DRAW_RESULTS = 0x08,
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};
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enum AI_MoveLimitFlags_t
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{
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AIMLF_DEFAULT = 0,
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AIMLF_2D = 0x01,
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AIMLF_DRAW_RESULTS = 0x02,
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AIMLF_IGNORE_TRANSIENTS = 0x04,
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AIMLF_QUICK_REJECT = 0x08,
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};
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class CAI_MoveProbe : public CAI_Component
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{
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public:
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CAI_MoveProbe( CAI_BaseNPC *pOuter );
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~CAI_MoveProbe();
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// ----------------------------------------------------
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// Queries & probes
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// ----------------------------------------------------
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bool MoveLimit( Navigation_t navType, const Vector &vecStart, const Vector &vecEnd, unsigned int collisionMask, const CBaseEntity *pTarget, AIMoveTrace_t* pMove = NULL );
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bool MoveLimit( Navigation_t navType, const Vector &vecStart, const Vector &vecEnd, unsigned int collisionMask, const CBaseEntity *pTarget, float pctToCheckStandPositions, AIMoveTrace_t* pMove = NULL );
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bool MoveLimit( Navigation_t navType, const Vector &vecStart, const Vector &vecEnd, unsigned int collisionMask, const CBaseEntity *pTarget, float pctToCheckStandPositions, unsigned flags, AIMoveTrace_t* pMove = NULL );
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bool CheckStandPosition( const Vector &vecStart, unsigned int collisionMask ) const;
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bool FloorPoint( const Vector &vecStart, unsigned int collisionMask, float flStartZ, float flEndZ, Vector *pVecResult ) const;
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// --------------------------------
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// Tracing tools
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// --------------------------------
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void TraceLine( const Vector &vecStart, const Vector &vecEnd, unsigned int mask,
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bool bUseCollisionGroup, trace_t *pResult ) const;
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void TraceHull( const Vector &vecStart, const Vector &vecEnd, const Vector &hullMin,
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const Vector &hullMax, unsigned int mask,
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trace_t *ptr ) const;
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void TraceHull( const Vector &vecStart, const Vector &vecEnd, unsigned int mask,
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trace_t *ptr ) const;
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// --------------------------------
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// Checks a ground-based movement
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// --------------------------------
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bool TestGroundMove( const Vector &vecActualStart, const Vector &vecDesiredEnd,
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unsigned int collisionMask, unsigned flags, AIMoveTrace_t *pMoveTrace ) const;
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bool TestGroundMove( const Vector &vecActualStart, const Vector &vecDesiredEnd,
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unsigned int collisionMask, float pctToCheckStandPositions, unsigned flags, AIMoveTrace_t *pMoveTrace ) const;
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bool ShouldBrushBeIgnored( CBaseEntity *pEntity );
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void ClearBlockingEntity() { m_hLastBlockingEnt = NULL; }
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CBaseEntity * GetBlockingEntity() { return m_hLastBlockingEnt; }
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private:
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struct CheckStepArgs_t
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{
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Vector vecStart;
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Vector vecStepDir;
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float stepSize;
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float stepHeight;
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float stepDownMultiplier;
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float minStepLanding;
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unsigned collisionMask;
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StepGroundTest_t groundTest;
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};
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struct CheckStepResult_t
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{
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Vector endPoint;
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Vector hitNormal;
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bool fStartSolid;
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CBaseEntity * pBlocker;
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};
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bool CheckStep( const CheckStepArgs_t &args, CheckStepResult_t *pResult ) const;
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void SetupCheckStepTraceListData( const CheckStepArgs_t &args ) const;
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void ResetTraceListData() const { if ( m_pTraceListData ) const_cast<CAI_MoveProbe *>(this)->m_pTraceListData->Reset(); }
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bool OldCheckStandPosition( const Vector &vecStart, unsigned int collisionMask ) const;
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// these check connections between positions in space, regardless of routes
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void GroundMoveLimit( const Vector &vecStart, const Vector &vecEnd, unsigned int collisionMask, const CBaseEntity *pTarget, unsigned testGroundMoveFlags, float pctToCheckStandPositions, AIMoveTrace_t* pMoveTrace ) const;
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void FlyMoveLimit( const Vector &vecStart, const Vector &vecEnd, unsigned int collisionMask, const CBaseEntity *pTarget, AIMoveTrace_t* pMoveTrace) const;
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void JumpMoveLimit( const Vector &vecStart, const Vector &vecEnd, unsigned int collisionMask, const CBaseEntity *pTarget, AIMoveTrace_t* pMoveTrace) const;
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void ClimbMoveLimit( const Vector &vecStart, const Vector &vecEnd, const CBaseEntity *pTarget, AIMoveTrace_t* pMoveTrace) const;
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// A floorPoint that is useful only in the contect of iterative movement
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bool IterativeFloorPoint( const Vector &vecStart, unsigned int collisionMask, Vector *pVecResult ) const;
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bool IterativeFloorPoint( const Vector &vecStart, unsigned int collisionMask, float flAddedStep, Vector *pVecResult ) const;
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bool IsJumpLegal( const Vector &startPos, const Vector &apex, const Vector &endPos ) const;
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public:
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Vector CalcJumpLaunchVelocity(const Vector &startPos, const Vector &endPos, float gravity, float *pminHeight, float maxHorzVelocity, Vector *vecApex ) const;
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private:
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// Common services provided by CAI_BaseNPC, Convenience methods to simplify code
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float StepHeight() const;
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bool CanStandOn( CBaseEntity *pSurface ) const;
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bool m_bIgnoreTransientEntities;
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CTraceListData * m_pTraceListData;
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EHANDLE m_hLastBlockingEnt;
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DECLARE_SIMPLE_DATADESC();
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};
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// ----------------------------------------------------------------------------
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inline bool CAI_MoveProbe::MoveLimit( Navigation_t navType, const Vector &vecStart, const Vector &vecEnd, unsigned int collisionMask, const CBaseEntity *pTarget, float pctToCheckStandPositions, AIMoveTrace_t* pMove)
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{
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return MoveLimit( navType, vecStart, vecEnd, collisionMask, pTarget, pctToCheckStandPositions, AIMLF_DEFAULT, pMove);
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}
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// ------------------------------------
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inline bool CAI_MoveProbe::MoveLimit( Navigation_t navType, const Vector &vecStart, const Vector &vecEnd, unsigned int collisionMask, const CBaseEntity *pTarget, AIMoveTrace_t* pMove)
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{
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return MoveLimit( navType, vecStart, vecEnd, collisionMask, pTarget, 100.0f, AIMLF_DEFAULT, pMove);
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}
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// ------------------------------------
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inline bool CAI_MoveProbe::TestGroundMove( const Vector &vecActualStart, const Vector &vecDesiredEnd, unsigned int collisionMask, unsigned flags, AIMoveTrace_t *pMoveTrace ) const
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{
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return TestGroundMove( vecActualStart, vecDesiredEnd, collisionMask, 100, flags, pMoveTrace ); // floor ignore flag will override 100%
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}
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#endif // AI_MOVEPROBE_H
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