source-engine/game/server/hl1/hl1mp_player.cpp

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:		Multiplayer Player for HL1.
//
// $NoKeywords: $
//=============================================================================//

#include "cbase.h"
#include "hl1mp_player.h"
#include "client.h"
#include "team.h"

class CTEPlayerAnimEvent : public CBaseTempEntity
{
public:
	DECLARE_CLASS( CTEPlayerAnimEvent, CBaseTempEntity );
	DECLARE_SERVERCLASS();

					CTEPlayerAnimEvent( const char *name ) : CBaseTempEntity( name )
					{
					}

	CNetworkHandle( CBasePlayer, m_hPlayer );
	CNetworkVar( int, m_iEvent );
	CNetworkVar( int, m_nData );
};

IMPLEMENT_SERVERCLASS_ST_NOBASE( CTEPlayerAnimEvent, DT_TEPlayerAnimEvent )
	SendPropEHandle( SENDINFO( m_hPlayer ) ),
	SendPropInt( SENDINFO( m_iEvent ), Q_log2( PLAYERANIMEVENT_COUNT ) + 1, SPROP_UNSIGNED ),
	SendPropInt( SENDINFO( m_nData ), 32 )
END_SEND_TABLE()

static CTEPlayerAnimEvent g_TEPlayerAnimEvent( "PlayerAnimEvent" );

void TE_PlayerAnimEvent( CBasePlayer *pPlayer, PlayerAnimEvent_t event, int nData )
{
	CPVSFilter filter( pPlayer->EyePosition() );
	
	// The player himself doesn't need to be sent his animation events 
	// unless cs_showanimstate wants to show them.
//	if ( !ToolsEnabled() && ( cl_showanimstate.GetInt() == pPlayer->entindex() ) )
	{
//		filter.RemoveRecipient( pPlayer );
	}

	g_TEPlayerAnimEvent.m_hPlayer = pPlayer;
	g_TEPlayerAnimEvent.m_iEvent = event;
	g_TEPlayerAnimEvent.m_nData = nData;
	g_TEPlayerAnimEvent.Create( filter, 0 );
}


//////////////////////////////////////////////////////////////////////////////////////////

extern int	gEvilImpulse101;

LINK_ENTITY_TO_CLASS( player_mp, CHL1MP_Player );
PRECACHE_REGISTER( player_mp );

IMPLEMENT_SERVERCLASS_ST( CHL1MP_Player, DT_HL1MP_PLAYER )
	SendPropExclude( "DT_BaseAnimating", "m_flPoseParameter" ),
	SendPropExclude( "DT_BaseAnimating", "m_flPlaybackRate" ),	
	SendPropExclude( "DT_BaseAnimating", "m_nSequence" ),
	SendPropExclude( "DT_BaseEntity", "m_angRotation" ),
	SendPropExclude( "DT_BaseAnimatingOverlay", "overlay_vars" ),
	
	// cs_playeranimstate and clientside animation takes care of these on the client
//	SendPropExclude( "DT_ServerAnimationData" , "m_flCycle" ),	
	SendPropExclude( "DT_AnimTimeMustBeFirst" , "m_flAnimTime" ),

	SendPropAngle( SENDINFO_VECTORELEM(m_angEyeAngles, 0), 11 ),
	SendPropAngle( SENDINFO_VECTORELEM(m_angEyeAngles, 1), 11 ),

    SendPropEHandle( SENDINFO( m_hRagdoll ) ),
	SendPropInt( SENDINFO( m_iSpawnInterpCounter), 4 ),
	SendPropInt( SENDINFO( m_iRealSequence ), 9 ),


//	SendPropDataTable( SENDINFO_DT( m_Shared ), &REFERENCE_SEND_TABLE( DT_TFCPlayerShared ) )
END_SEND_TABLE()

void cc_CreatePredictionError_f()
{
	CBaseEntity *pEnt = CBaseEntity::Instance( 1 );
	pEnt->SetAbsOrigin( pEnt->GetAbsOrigin() + Vector( 63, 0, 0 ) );
}

ConCommand cc_CreatePredictionError( "CreatePredictionError", cc_CreatePredictionError_f, "Create a prediction error", FCVAR_CHEAT );

static const char * s_szModelPath = "models/player/mp/";

CHL1MP_Player::CHL1MP_Player()
{
	m_PlayerAnimState = CreatePlayerAnimState( this );
//	item_list = 0;

	UseClientSideAnimation();
	m_angEyeAngles.Init();
//	m_pCurStateInfo = NULL;
	m_lifeState = LIFE_DEAD; // Start "dead".

	m_iSpawnInterpCounter = 0;	
	m_flNextModelChangeTime = 0;
	m_flNextTeamChangeTime = 0;

//	SetViewOffset( TFC_PLAYER_VIEW_OFFSET );

//	SetContextThink( &CTFCPlayer::TFCPlayerThink, gpGlobals->curtime, "TFCPlayerThink" );
}

CHL1MP_Player::~CHL1MP_Player()
{
	m_PlayerAnimState->Release();
}

void CHL1MP_Player::PostThink( void )
{
    BaseClass::PostThink();

	QAngle angles = GetLocalAngles();
	angles[PITCH] = 0;
	SetLocalAngles( angles );
	
	// Store the eye angles pitch so the client can compute its animation state correctly.
	m_angEyeAngles = EyeAngles();

    m_PlayerAnimState->Update( m_angEyeAngles[YAW], m_angEyeAngles[PITCH] );
}

void CHL1MP_Player::Spawn( void )
{
	if ( !IsObserver() )
	{
		RemoveEffects( EF_NODRAW );
		SetMoveType( MOVETYPE_WALK );
		RemoveSolidFlags( FSOLID_NOT_SOLID );

		// if no model, force one
		if ( !GetModelPtr() )
			SetModel( "models/player/mp/gordon/gordon.mdl" );
	}

	m_flNextModelChangeTime = 0;
	m_flNextTeamChangeTime = 0;

	BaseClass::Spawn();

	if ( !IsObserver() )
	{
	    GiveDefaultItems();
		SetPlayerModel();
	}

	m_bHasLongJump = false;

	m_iSpawnInterpCounter = (m_iSpawnInterpCounter + 1) % 8;
}

void CHL1MP_Player::DoAnimationEvent( PlayerAnimEvent_t event, int nData )
{
	m_PlayerAnimState->DoAnimationEvent( event, nData );
	TE_PlayerAnimEvent( this, event, nData );	// Send to any clients who can see this guy.
}

void CHL1MP_Player::GiveDefaultItems( void )
{
    GiveNamedItem( "weapon_crowbar" );
    GiveNamedItem( "weapon_glock" );

    CBasePlayer::GiveAmmo( 68, "9mmRound" );
}

void CHL1MP_Player::UpdateOnRemove( void )
{
    if ( m_hRagdoll )
    {
        UTIL_RemoveImmediate( m_hRagdoll );
        m_hRagdoll = NULL;
    }

    BaseClass::UpdateOnRemove();
}


void CHL1MP_Player::DetonateSatchelCharges( void )
{
	CBaseEntity *pSatchel = NULL;

	while ( (pSatchel = gEntList.FindEntityByClassname( pSatchel, "monster_satchel" ) ) != NULL)
	{
		if ( pSatchel->GetOwnerEntity() == this )
		{
			pSatchel->Use( this, this, USE_ON, 0 );
		}
	}
}

void CHL1MP_Player::Event_Killed( const CTakeDamageInfo &info )
{
	DoAnimationEvent( PLAYERANIMEVENT_DIE );
//    SetNumAnimOverlays( 0 );

    
	// Note: since we're dead, it won't draw us on the client, but we don't set EF_NODRAW
	// because we still want to transmit to the clients in our PVS.
	if ( !IsHLTV() )
		CreateRagdollEntity();

	DetonateSatchelCharges();

	BaseClass::Event_Killed( info );

	m_lifeState = LIFE_DEAD;
	RemoveEffects( EF_NODRAW );	// still draw player body
}


void CHL1MP_Player::SetAnimation( PLAYER_ANIM playerAnim )
{
//    BaseClass::SetAnimation( playerAnim );
	if ( playerAnim == PLAYER_ATTACK1 )
	{
		DoAnimationEvent( PLAYERANIMEVENT_FIRE_GUN );
	}

	int animDesired;
	char szAnim[64];

	float speed;

	speed = GetAbsVelocity().Length2D();

	if (GetFlags() & (FL_FROZEN|FL_ATCONTROLS))
	{
		speed = 0;
		playerAnim = PLAYER_IDLE;
	}

	if ( playerAnim == PLAYER_ATTACK1 )
	{
		if ( speed > 0 )
		{
			playerAnim = PLAYER_WALK;
		}
		else
		{
			playerAnim = PLAYER_IDLE;
		}
	}

	Activity idealActivity = ACT_WALK;// TEMP!!!!!

	// This could stand to be redone. Why is playerAnim abstracted from activity? (sjb)
	if (playerAnim == PLAYER_JUMP)
	{
		idealActivity = ACT_HOP;
	}
	else if (playerAnim == PLAYER_SUPERJUMP)
	{
		idealActivity = ACT_LEAP;
	}
	else if (playerAnim == PLAYER_DIE)
	{
		if ( m_lifeState == LIFE_ALIVE )
		{
			idealActivity = ACT_DIERAGDOLL;
		}
	}
	else if (playerAnim == PLAYER_ATTACK1)
	{
		if ( GetActivity() == ACT_HOVER	|| 
			GetActivity() == ACT_SWIM		||
			GetActivity() == ACT_HOP		||
			GetActivity() == ACT_LEAP		||
			GetActivity() == ACT_DIESIMPLE )
		{
			idealActivity = GetActivity();
		}
		else
		{
			idealActivity = ACT_RANGE_ATTACK1;
		}
	}
	else if (playerAnim == PLAYER_IDLE || playerAnim == PLAYER_WALK)
	{
		if ( !( GetFlags() & FL_ONGROUND ) && (GetActivity() == ACT_HOP || GetActivity() == ACT_LEAP) )	// Still jumping
		{
			idealActivity = GetActivity();
		}
		else if ( GetWaterLevel() > 1 )
		{
			if ( speed == 0 )
				idealActivity = ACT_HOVER;
			else
				idealActivity = ACT_SWIM;
		}
		else if ( speed > 0 )
		{
			idealActivity = ACT_WALK;
		}
		else
		{
			idealActivity = ACT_IDLE;
		}
	}


	if (idealActivity == ACT_RANGE_ATTACK1)
	{
		if ( GetFlags() & FL_DUCKING )	// crouching
		{
			Q_strncpy( szAnim, "crouch_shoot_" ,sizeof(szAnim));
		}
		else
		{
			Q_strncpy( szAnim, "ref_shoot_" ,sizeof(szAnim));
		}
		Q_strncat( szAnim, m_szAnimExtension ,sizeof(szAnim), COPY_ALL_CHARACTERS );
		animDesired = LookupSequence( szAnim );
		if (animDesired == -1)
			animDesired = 0;

		if ( GetSequence() != animDesired || !SequenceLoops() )
		{
			SetCycle( 0 );
		}

		// Tracker 24588:  In single player when firing own weapon this causes eye and punchangle to jitter
		//if (!SequenceLoops())
		//{
		//	IncrementInterpolationFrame();
		//}

		SetActivity( idealActivity );
		ResetSequence( animDesired );
	}
	else if (idealActivity == ACT_IDLE)
	{
		if ( GetFlags() & FL_DUCKING )
		{
			animDesired = LookupSequence( "crouch_idle" );
		}
		else
		{
			animDesired = LookupSequence( "look_idle" );
		}
		if (animDesired == -1)
			animDesired = 0;

		SetActivity( ACT_IDLE );
	}
	else if ( idealActivity == ACT_WALK )
	{
		if ( GetFlags() & FL_DUCKING )
		{
			animDesired = SelectWeightedSequence( ACT_CROUCH );
			SetActivity( ACT_CROUCH );
		}
		else
		{
			animDesired = SelectWeightedSequence( ACT_RUN );
			SetActivity( ACT_RUN );
		}
		
	}
	else
	{
		if ( GetActivity() == idealActivity)
			return;

		SetActivity( idealActivity );

		animDesired = SelectWeightedSequence( GetActivity() );

		// Already using the desired animation?
		if (GetSequence() == animDesired)
			return;

		m_iRealSequence = animDesired;
		ResetSequence( animDesired );
		SetCycle( 0 );
		return;
	}

	// Already using the desired animation?
	if (GetSequence() == animDesired)
		return;

	m_iRealSequence = animDesired;

	//Msg( "Set animation to %d\n", animDesired );
	// Reset to first frame of desired animation
	ResetSequence( animDesired );
	SetCycle( 0 );
}

static ConVar sv_debugweaponpickup( "sv_debugweaponpickup", "0", FCVAR_CHEAT, "Prints descriptive reasons as to why pickup did not work." );

// correct respawning of weapons
bool CHL1MP_Player::BumpWeapon( CBaseCombatWeapon *pWeapon )
{	CBaseCombatCharacter *pOwner = pWeapon->GetOwner();

	// Can I have this weapon type?
	if ( !IsAllowedToPickupWeapons() )
    {
        if ( sv_debugweaponpickup.GetBool() )
            Msg("sv_debugweaponpickup: IsAllowedToPickupWeapons() returned false\n");
        
		return false;
    }

	if ( pOwner || !Weapon_CanUse( pWeapon ) || !g_pGameRules->CanHavePlayerItem( this, pWeapon ) )
	{
        if ( sv_debugweaponpickup.GetBool() && pOwner )
            Msg("sv_debugweaponpickup: pOwner\n");

        if ( sv_debugweaponpickup.GetBool() && !Weapon_CanUse( pWeapon ) )
            Msg("sv_debugweaponpickup: Can't use weapon\n");

        if ( sv_debugweaponpickup.GetBool() && !g_pGameRules->CanHavePlayerItem( this, pWeapon ) )
            Msg("sv_debugweaponpickup: Gamerules says player can't have item\n");
        
		if ( gEvilImpulse101 )
		{
			UTIL_Remove( pWeapon );
		}
		return false;
	}

	// Don't let the player fetch weapons through walls (use MASK_SOLID so that you can't pickup through windows)
	if( !pWeapon->FVisible( this, MASK_SOLID ) && !(GetFlags() & FL_NOTARGET) )
	{
        if ( sv_debugweaponpickup.GetBool() && !FVisible( this, MASK_SOLID ) )
            Msg("sv_debugweaponpickup: Can't fetch weapon through a wall\n");

        if ( sv_debugweaponpickup.GetBool() && !(GetFlags() & FL_NOTARGET) )
            Msg("sv_debugweaponpickup: NoTarget\n");
        
		return false;
	}
    
	bool bOwnsWeaponAlready = !!Weapon_OwnsThisType( pWeapon->GetClassname(), pWeapon->GetSubType());

	if ( bOwnsWeaponAlready == true ) 
	{
		//If we have room for the ammo, then "take" the weapon too.
		 if ( Weapon_EquipAmmoOnly( pWeapon ) )
		 {
			 pWeapon->CheckRespawn();

			 UTIL_Remove( pWeapon );

             if ( sv_debugweaponpickup.GetBool() )
                 Msg("sv_debugweaponpickup: Picking up weapon\n");
             
			 return true;
		 }
		 else
		 {
             if ( sv_debugweaponpickup.GetBool() )
                 Msg("sv_debugweaponpickup: Owns weapon already\n");
             
			 return false;
		 }
	}

	pWeapon->CheckRespawn();
	Weapon_Equip( pWeapon );

    if ( sv_debugweaponpickup.GetBool() )    
        Msg("sv_debugweaponpickup: Picking up weapon\n");
            
	return true;
}


void CHL1MP_Player::ChangeTeam( int iTeamNum )
{
	bool bKill = false;

	if ( g_pGameRules->IsTeamplay() == true )
	{
		if ( iTeamNum != GetTeamNumber() && GetTeamNumber() != TEAM_UNASSIGNED )
		{
			bKill = true;
		}
	}

	BaseClass::ChangeTeam( iTeamNum );

	m_flNextTeamChangeTime = gpGlobals->curtime + 5;

	if ( g_pGameRules->IsTeamplay() == true )
	{
		SetPlayerTeamModel();
	}
	else
	{
		SetPlayerModel();
	}

	if ( bKill == true )
	{
		CommitSuicide();
	}
}

void CHL1MP_Player::SetPlayerTeamModel( void )
{
	int iTeamNum = GetTeamNumber();

	if ( iTeamNum <= TEAM_SPECTATOR )
		return;

	CTeam * pTeam = GetGlobalTeam( iTeamNum );

	char szModelName[256];
	Q_snprintf( szModelName, 256, "%s%s/%s.mdl", s_szModelPath, pTeam->GetName(), pTeam->GetName() );

    // Check to see if the model was properly precached, do not error out if not.
    int i = modelinfo->GetModelIndex( szModelName );
    if ( i == -1 )
    {
        Warning("Model %s does not exist.\n", szModelName );
        return;
    }
        
	SetModel( szModelName );
	m_flNextModelChangeTime = gpGlobals->curtime + 5;
}


void CHL1MP_Player::SetPlayerModel( void )
{
	char szBaseName[128];
	Q_FileBase( engine->GetClientConVarValue( engine->IndexOfEdict( edict() ), "cl_playermodel" ), szBaseName, 128 );

	// Don't let it be 'none'; default to Barney
	if ( Q_stricmp( "none", szBaseName ) == 0 )
	{
		Q_strcpy( szBaseName, "gordon"  );
	}

	char szModelName[256];
	Q_snprintf( szModelName, 256, "%s%s/%s.mdl", s_szModelPath, szBaseName, szBaseName );

    // Check to see if the model was properly precached, do not error out if not.
    int i = modelinfo->GetModelIndex( szModelName );
    if ( i == -1 )
    {
		SetModel( "models/player/mp/gordon/gordon.mdl" );
		engine->ClientCommand ( edict(), "cl_playermodel models/gordon.mdl\n" );
        return;
    }

	SetModel( szModelName );

	m_flNextModelChangeTime = gpGlobals->curtime + 5;
}


// -------------------------------------------------------------------------------- //
// Ragdoll entities.
// -------------------------------------------------------------------------------- //

class CHL1MPRagdoll : public CBaseAnimatingOverlay
{
public:
	DECLARE_CLASS( CHL1MPRagdoll, CBaseAnimatingOverlay );
	DECLARE_SERVERCLASS();

	// Transmit ragdolls to everyone.
	virtual int UpdateTransmitState()
	{
		return SetTransmitState( FL_EDICT_ALWAYS );
	}

public:
	// In case the client has the player entity, we transmit the player index.
	// In case the client doesn't have it, we transmit the player's model index, origin, and angles
	// so they can create a ragdoll in the right place.
	CNetworkHandle( CBaseEntity, m_hPlayer );	// networked entity handle 
	CNetworkVector( m_vecRagdollVelocity );
	CNetworkVector( m_vecRagdollOrigin );
};

LINK_ENTITY_TO_CLASS( hl1mp_ragdoll, CHL1MPRagdoll );

IMPLEMENT_SERVERCLASS_ST_NOBASE( CHL1MPRagdoll, DT_HL1MPRagdoll )
	SendPropVector    ( SENDINFO( m_vecRagdollOrigin), -1,  SPROP_COORD ),
	SendPropEHandle   ( SENDINFO( m_hPlayer ) ),
	SendPropModelIndex( SENDINFO( m_nModelIndex ) ),
	SendPropInt		  ( SENDINFO( m_nForceBone), 8, 0 ),
	SendPropVector	  ( SENDINFO( m_vecForce), -1, SPROP_NOSCALE ),
	SendPropVector    ( SENDINFO( m_vecRagdollVelocity ) )
END_SEND_TABLE()


void CHL1MP_Player::CreateRagdollEntity( void )
{
    if ( m_hRagdoll )
    {
        UTIL_RemoveImmediate( m_hRagdoll );
        m_hRagdoll = NULL;
    }

	// If we already have a ragdoll, don't make another one.    
    CHL1MPRagdoll *pRagdoll = dynamic_cast< CHL1MPRagdoll* >(m_hRagdoll.Get() );

    if ( !pRagdoll )
    {
        // Create a new one
        pRagdoll = dynamic_cast< CHL1MPRagdoll* >( CreateEntityByName( "hl1mp_ragdoll" ) );
    }

    if ( pRagdoll )
    {
		pRagdoll->m_hPlayer = this;
		pRagdoll->m_vecRagdollOrigin = GetAbsOrigin();
		pRagdoll->m_vecRagdollVelocity = GetAbsVelocity();
		pRagdoll->m_nModelIndex = m_nModelIndex;
		pRagdoll->m_nForceBone = m_nForceBone;
		//pRagdoll->m_vecForce = m_vecTotalBulletForce;
		pRagdoll->SetAbsOrigin( GetAbsOrigin() );
        
    }

	m_hRagdoll = pRagdoll;    
}

void CHL1MP_Player::CreateCorpse( void )
{

}