mirror of
https://github.com/shawns-valve/halflife.git
synced 2024-11-21 12:01:07 +00:00
280 lines
6.9 KiB
C++
280 lines
6.9 KiB
C++
//=========== (C) Copyright 1999 Valve, L.L.C. All rights reserved. ===========
|
|
//
|
|
// The copyright to the contents herein is the property of Valve, L.L.C.
|
|
// The contents may be used and/or copied only with the written permission of
|
|
// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
|
|
// the agreement/contract under which the contents have been supplied.
|
|
//
|
|
// Purpose: Functionality for the observer chase camera
|
|
//
|
|
// $Workfile: $
|
|
// $Date: $
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
// $Log: $
|
|
//
|
|
// $NoKeywords: $
|
|
//=============================================================================
|
|
#include "extdll.h"
|
|
#include "util.h"
|
|
#include "cbase.h"
|
|
#include "player.h"
|
|
#include "weapons.h"
|
|
#include "pm_shared.h"
|
|
|
|
extern int gmsgCurWeapon;
|
|
extern int gmsgSetFOV;
|
|
// Find the next client in the game for this player to spectate
|
|
void CBasePlayer::Observer_FindNextPlayer( bool bReverse )
|
|
{
|
|
// MOD AUTHORS: Modify the logic of this function if you want to restrict the observer to watching
|
|
// only a subset of the players. e.g. Make it check the target's team.
|
|
|
|
int iStart;
|
|
if ( m_hObserverTarget )
|
|
iStart = ENTINDEX( m_hObserverTarget->edict() );
|
|
else
|
|
iStart = ENTINDEX( edict() );
|
|
int iCurrent = iStart;
|
|
m_hObserverTarget = NULL;
|
|
int iDir = bReverse ? -1 : 1;
|
|
|
|
do
|
|
{
|
|
iCurrent += iDir;
|
|
|
|
// Loop through the clients
|
|
if (iCurrent > gpGlobals->maxClients)
|
|
iCurrent = 1;
|
|
if (iCurrent < 1)
|
|
iCurrent = gpGlobals->maxClients;
|
|
|
|
CBaseEntity *pEnt = UTIL_PlayerByIndex( iCurrent );
|
|
if ( !pEnt )
|
|
continue;
|
|
if ( pEnt == this )
|
|
continue;
|
|
// Don't spec observers or players who haven't picked a class yet
|
|
if ( ((CBasePlayer*)pEnt)->IsObserver() || (pEnt->pev->effects & EF_NODRAW) )
|
|
continue;
|
|
|
|
// MOD AUTHORS: Add checks on target here.
|
|
|
|
m_hObserverTarget = pEnt;
|
|
break;
|
|
|
|
} while ( iCurrent != iStart );
|
|
|
|
// Did we find a target?
|
|
if ( m_hObserverTarget )
|
|
{
|
|
// Move to the target
|
|
UTIL_SetOrigin( pev, m_hObserverTarget->pev->origin );
|
|
|
|
// ALERT( at_console, "Now Tracking %s\n", STRING( m_hObserverTarget->pev->netname ) );
|
|
|
|
// Store the target in pev so the physics DLL can get to it
|
|
if (pev->iuser1 != OBS_ROAMING)
|
|
pev->iuser2 = ENTINDEX( m_hObserverTarget->edict() );
|
|
|
|
|
|
|
|
}
|
|
}
|
|
|
|
// Handle buttons in observer mode
|
|
void CBasePlayer::Observer_HandleButtons()
|
|
{
|
|
// Slow down mouse clicks
|
|
if ( m_flNextObserverInput > gpGlobals->time )
|
|
return;
|
|
|
|
// Jump changes from modes: Chase to Roaming
|
|
if ( m_afButtonPressed & IN_JUMP )
|
|
{
|
|
if ( pev->iuser1 == OBS_CHASE_LOCKED )
|
|
Observer_SetMode( OBS_CHASE_FREE );
|
|
|
|
else if ( pev->iuser1 == OBS_CHASE_FREE )
|
|
Observer_SetMode( OBS_IN_EYE );
|
|
|
|
else if ( pev->iuser1 == OBS_IN_EYE )
|
|
Observer_SetMode( OBS_ROAMING );
|
|
|
|
else if ( pev->iuser1 == OBS_ROAMING )
|
|
Observer_SetMode( OBS_MAP_FREE );
|
|
|
|
else if ( pev->iuser1 == OBS_MAP_FREE )
|
|
Observer_SetMode( OBS_MAP_CHASE );
|
|
|
|
else
|
|
Observer_SetMode( OBS_CHASE_FREE ); // don't use OBS_CHASE_LOCKED anymore
|
|
|
|
m_flNextObserverInput = gpGlobals->time + 0.2;
|
|
}
|
|
|
|
// Attack moves to the next player
|
|
if ( m_afButtonPressed & IN_ATTACK )//&& pev->iuser1 != OBS_ROAMING )
|
|
{
|
|
Observer_FindNextPlayer( false );
|
|
|
|
m_flNextObserverInput = gpGlobals->time + 0.2;
|
|
}
|
|
|
|
// Attack2 moves to the prev player
|
|
if ( m_afButtonPressed & IN_ATTACK2)// && pev->iuser1 != OBS_ROAMING )
|
|
{
|
|
Observer_FindNextPlayer( true );
|
|
|
|
m_flNextObserverInput = gpGlobals->time + 0.2;
|
|
}
|
|
}
|
|
|
|
void CBasePlayer::Observer_CheckTarget()
|
|
{
|
|
if( pev->iuser1 == OBS_ROAMING )
|
|
return;
|
|
|
|
// try to find a traget if we have no current one
|
|
if ( m_hObserverTarget == NULL)
|
|
{
|
|
Observer_FindNextPlayer( false );
|
|
|
|
if (m_hObserverTarget == NULL)
|
|
{
|
|
// no target found at all
|
|
|
|
int lastMode = pev->iuser1;
|
|
|
|
Observer_SetMode( OBS_ROAMING );
|
|
|
|
m_iObserverLastMode = lastMode; // don't overwrite users lastmode
|
|
|
|
return; // we still have np target return
|
|
}
|
|
}
|
|
|
|
CBasePlayer* target = (CBasePlayer*)(UTIL_PlayerByIndex( ENTINDEX(m_hObserverTarget->edict())));
|
|
|
|
if ( !target )
|
|
{
|
|
Observer_FindNextPlayer( false );
|
|
return;
|
|
}
|
|
|
|
// check taget
|
|
if (target->pev->deadflag == DEAD_DEAD)
|
|
{
|
|
if ( (target->m_fDeadTime + 2.0f ) < gpGlobals->time )
|
|
{
|
|
// 3 secs after death change target
|
|
Observer_FindNextPlayer( false );
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void CBasePlayer::Observer_CheckProperties()
|
|
{
|
|
// try to find a traget if we have no current one
|
|
if ( pev->iuser1 == OBS_IN_EYE && m_hObserverTarget != NULL)
|
|
{
|
|
CBasePlayer* target = (CBasePlayer*)(UTIL_PlayerByIndex( ENTINDEX(m_hObserverTarget->edict())));
|
|
|
|
if (!target )
|
|
return;
|
|
|
|
int weapon = (target->m_pActiveItem!=NULL)?target->m_pActiveItem->m_iId:0;
|
|
// use fov of tracked client
|
|
if ( m_iFOV != target->m_iFOV || m_iObserverWeapon != weapon )
|
|
{
|
|
m_iFOV = target->m_iFOV;
|
|
m_iClientFOV = m_iFOV;
|
|
// write fov before wepon data, so zoomed crosshair is set correctly
|
|
MESSAGE_BEGIN( MSG_ONE, gmsgSetFOV, NULL, pev );
|
|
WRITE_BYTE( m_iFOV );
|
|
MESSAGE_END();
|
|
|
|
|
|
m_iObserverWeapon = weapon;
|
|
//send weapon update
|
|
MESSAGE_BEGIN( MSG_ONE, gmsgCurWeapon, NULL, pev );
|
|
WRITE_BYTE( 1 ); // 1 = current weapon, not on target
|
|
WRITE_BYTE( m_iObserverWeapon );
|
|
WRITE_BYTE( 0 ); // clip
|
|
MESSAGE_END();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
m_iFOV = 90;
|
|
|
|
if ( m_iObserverWeapon != 0 )
|
|
{
|
|
m_iObserverWeapon = 0;
|
|
|
|
MESSAGE_BEGIN( MSG_ONE, gmsgCurWeapon, NULL, pev );
|
|
WRITE_BYTE( 1 ); // 1 = current weapon
|
|
WRITE_BYTE( m_iObserverWeapon );
|
|
WRITE_BYTE( 0 ); // clip
|
|
MESSAGE_END();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Attempt to change the observer mode
|
|
void CBasePlayer::Observer_SetMode( int iMode )
|
|
{
|
|
|
|
// Just abort if we're changing to the mode we're already in
|
|
if ( iMode == pev->iuser1 )
|
|
return;
|
|
|
|
// is valid mode ?
|
|
if ( iMode < OBS_CHASE_LOCKED || iMode > OBS_MAP_CHASE )
|
|
iMode = OBS_IN_EYE; // now it is
|
|
// verify observer target again
|
|
if ( m_hObserverTarget != NULL)
|
|
{
|
|
CBaseEntity *pEnt = m_hObserverTarget;
|
|
|
|
if ( (pEnt == this) || (pEnt == NULL) )
|
|
m_hObserverTarget = NULL;
|
|
else if ( ((CBasePlayer*)pEnt)->IsObserver() || (pEnt->pev->effects & EF_NODRAW) )
|
|
m_hObserverTarget = NULL;
|
|
}
|
|
|
|
// set spectator mode
|
|
pev->iuser1 = iMode;
|
|
|
|
// if we are not roaming, we need a valid target to track
|
|
if ( (iMode != OBS_ROAMING) && (m_hObserverTarget == NULL) )
|
|
{
|
|
Observer_FindNextPlayer( false );
|
|
|
|
// if we didn't find a valid target switch to roaming
|
|
if (m_hObserverTarget == NULL)
|
|
{
|
|
ClientPrint( pev, HUD_PRINTCENTER, "#Spec_NoTarget" );
|
|
pev->iuser1 = OBS_ROAMING;
|
|
}
|
|
}
|
|
|
|
// set target if not roaming
|
|
if (pev->iuser1 == OBS_ROAMING)
|
|
{
|
|
pev->iuser2 = 0;
|
|
}
|
|
else
|
|
pev->iuser2 = ENTINDEX( m_hObserverTarget->edict() );
|
|
|
|
pev->iuser3 = 0; // clear second target from death cam
|
|
|
|
// print spepctaor mode on client screen
|
|
|
|
char modemsg[16];
|
|
sprintf(modemsg,"#Spec_Mode%i", pev->iuser1 );
|
|
ClientPrint( pev, HUD_PRINTCENTER, modemsg );
|
|
|
|
m_iObserverLastMode = iMode;
|
|
}
|