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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//
#ifndef TF_WALKER_BASE_H
#define TF_WALKER_BASE_H
#ifdef _WIN32
#pragma once
#endif
#include "basetfvehicle.h"
class CWalkerBase : public CBaseTFVehicle
{
public:
DECLARE_CLASS( CWalkerBase, CBaseTFVehicle );
DECLARE_SERVERCLASS();
public:
CWalkerBase();
// Derived classes must call this from inside their Spawn() function. Their Spawn() function
// should NOT chain down to CWalkerBase.
void SpawnWalker(
const char *pModelName,
int objectType,
const Vector &vPlacementMins,
const Vector &vPlacementMaxs,
int iHealth,
int nMaxPassengers,
float flPlaybackSpeedBoost // Strider likes the animations played at 2x speed.
);
virtual void AdjustInitialBuildAngles();
// When it's in walk mode, it'll set a walk animation, process user input, set pose parameters,
// and move the entity around as it walks.
void EnableWalkMode( bool bEnable );
// This is called each frame to do thinking. Derived classes can hook this to do their own stuff each frame.
virtual void WalkerThink();
// Returns the new local origin to set based on the walker's movement.
// This usually just asks for the movement from the animation, but some walkers may
// want to generate the motion in code.
virtual Vector GetWalkerLocalMovement();
// See notes on m_vSteerVelocity below.
const Vector2D& GetSteerVelocity() const;
void WalkerActivate( void );
// See m_flVelocityDecayRate.
void SetVelocityDecayRate( float flDecayRate );
// Walkers think 10x/second.
float GetTimeDelta() const;
// CBaseEntity.
public:
virtual void Spawn();
virtual void Activate();
// IVehicle overrides.
public:
virtual void SetupMove( CBasePlayer *player, CUserCmd *ucmd, IMoveHelper *pHelper, CMoveData *move );
// IServerVehicle overrides.
public:
virtual bool IsPassengerVisible( int nRole );
// CBaseObject overrides.
public:
virtual bool StartBuilding( CBaseEntity *pBuilder );
public:
// This is a hack to prevent the strider from playing a lot of footstep sounds, until we figure out 9-way anim events
float m_flDontMakeSoundsUntil;
// Last usercmd buttons.
int m_LastButtons;
QAngle m_vLastCmdViewAngles;
private:
// This is the (local) velocity that the player's controls are saying the player wants to move in.
// Note that it is completely virtual - the speed that the walker moves at is gotten from the animations ground speed.
// It maps this velocity a 9-way blend for movement. +X = forward, +Y = left.
Vector2D m_vSteerVelocity;
// Which pose parameters we use to make this guy walk around on X and Y.
int m_iMovePoseParamX;
int m_iMovePoseParamY;
float m_flPlaybackSpeedBoost;
bool m_bWalkMode;
// This is a magic number that can be tweaked to make the velocity decay faster.
// Default: 80
float m_flVelocityDecayRate;
};
#endif // TF_WALKER_BASE_H
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