133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef AI_BASENPC_FLYER_H
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#define AI_BASENPC_FLYER_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "ai_basenpc.h"
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#include "ai_navigator.h"
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//-----------------------------------------------------------------------------
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// The combot.
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//-----------------------------------------------------------------------------
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abstract_class CAI_BaseFlyingBot : public CAI_BaseNPC
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{
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DECLARE_CLASS( CAI_BaseFlyingBot, CAI_BaseNPC );
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public:
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DECLARE_DATADESC();
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void StartTask( const Task_t *pTask );
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void GetVelocity(Vector *vVelocity, AngularImpulse *vAngVelocity);
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virtual QAngle BodyAngles();
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protected:
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CAI_BaseFlyingBot();
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Vector VelocityToAvoidObstacles(float flInterval);
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virtual float MinGroundDist(void);
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void TurnHeadToTarget( float flInterval, const Vector &moveTarget );
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void MoveInDirection( float flInterval, const Vector &targetDir,
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float accelXY, float accelZ, float decay)
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{
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decay = ExponentialDecay( decay, 1.0, flInterval );
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accelXY *= flInterval;
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accelZ *= flInterval;
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m_vCurrentVelocity.x = ( decay * m_vCurrentVelocity.x + accelXY * targetDir.x );
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m_vCurrentVelocity.y = ( decay * m_vCurrentVelocity.y + accelXY * targetDir.y );
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m_vCurrentVelocity.z = ( decay * m_vCurrentVelocity.z + accelZ * targetDir.z );
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}
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void MoveToLocation( float flInterval, const Vector &target,
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float accelXY, float accelZ, float decay)
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{
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Vector targetDir = target - GetLocalOrigin();
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VectorNormalize(targetDir);
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MoveInDirection(flInterval, targetDir, accelXY, accelZ, decay);
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}
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void Decelerate( float flInterval, float decay )
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{
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decay *= flInterval;
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m_vCurrentVelocity.x = (decay * m_vCurrentVelocity.x);
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m_vCurrentVelocity.y = (decay * m_vCurrentVelocity.y);
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m_vCurrentVelocity.z = (decay * m_vCurrentVelocity.z);
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}
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void AddNoiseToVelocity( float noiseScale = 1.0 )
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{
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if( m_vNoiseMod.x )
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{
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m_vCurrentVelocity.x += noiseScale*sin(m_vNoiseMod.x * gpGlobals->curtime + m_vNoiseMod.x);
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}
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if( m_vNoiseMod.y )
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{
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m_vCurrentVelocity.y += noiseScale*cos(m_vNoiseMod.y * gpGlobals->curtime + m_vNoiseMod.y);
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}
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if( m_vNoiseMod.z )
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{
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m_vCurrentVelocity.z -= noiseScale*cos(m_vNoiseMod.z * gpGlobals->curtime + m_vNoiseMod.z);
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}
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}
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void LimitSpeed( float zLimit, float maxSpeed = -1 )
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{
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if ( maxSpeed == -1 )
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maxSpeed = m_flSpeed;
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if (m_vCurrentVelocity.Length() > maxSpeed)
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{
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VectorNormalize(m_vCurrentVelocity);
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m_vCurrentVelocity *= maxSpeed;
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}
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// Limit fall speed
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if (zLimit > 0 && m_vCurrentVelocity.z < -zLimit)
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{
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m_vCurrentVelocity.z = -zLimit;
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}
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}
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AI_NavPathProgress_t ProgressFlyPath( float flInterval,
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const CBaseEntity *pNewTarget,
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unsigned collisionMask,
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bool bNewTrySimplify = true,
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float strictPointTolerance = 32.0 );
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virtual float GetHeadTurnRate( void ) { return 15.0f; } // Degrees per second
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const Vector &GetCurrentVelocity() const { return m_vCurrentVelocity; }
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void SetCurrentVelocity(const Vector &vNewVel) { m_vCurrentVelocity = vNewVel; }
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const Vector &GetNoiseMod() const { return m_vNoiseMod; }
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void SetNoiseMod( float x, float y, float z ) { m_vNoiseMod.Init( x, y, z ); }
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void SetNoiseMod( const Vector &noise ) { m_vNoiseMod = noise; }
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virtual void MoveToTarget(float flInterval, const Vector &MoveTarget) = 0;
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void TranslateNavGoal( CBaseEntity *pTarget, Vector &chasePosition );
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// -------------------------------
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// Movement vars
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// -------------------------------
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Vector m_vCurrentVelocity;
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Vector m_vCurrentAngularVelocity;
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Vector m_vCurrentBanking;
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Vector m_vNoiseMod;
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float m_fHeadYaw;
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Vector m_vLastPatrolDir;
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};
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#endif // AI_BASENPC_FLYER_H
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