mirror of
https://github.com/shawns-valve/halflife.git
synced 2024-11-22 04:21:30 +00:00
325 lines
7.8 KiB
C++
325 lines
7.8 KiB
C++
//=========== (C) Copyright 1999 Valve, L.L.C. All rights reserved. ===========
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//
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// The copyright to the contents herein is the property of Valve, L.L.C.
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// The contents may be used and/or copied only with the written permission of
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// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
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// the agreement/contract under which the contents have been supplied.
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//
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// Purpose:
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//
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// $Workfile: $
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// $Date: $
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//
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//-----------------------------------------------------------------------------
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// $Log: $
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//
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// $NoKeywords: $
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//=============================================================================
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// observer.cpp
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//
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#include "extdll.h"
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#include "util.h"
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#include "cbase.h"
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#include "player.h"
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#include "weapons.h"
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extern int gmsgCurWeapon;
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extern int gmsgSetFOV;
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extern int gmsgTeamInfo;
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extern int gmsgSpectator;
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// Player has become a spectator. Set it up.
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// This was moved from player.cpp.
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void CBasePlayer::StartObserver( Vector vecPosition, Vector vecViewAngle )
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{
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// clear any clientside entities attached to this player
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MESSAGE_BEGIN( MSG_PAS, SVC_TEMPENTITY, pev->origin );
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WRITE_BYTE( TE_KILLPLAYERATTACHMENTS );
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WRITE_BYTE( (BYTE)entindex() );
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MESSAGE_END();
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// Holster weapon immediately, to allow it to cleanup
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if (m_pActiveItem)
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m_pActiveItem->Holster( );
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if ( m_pTank != NULL )
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{
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m_pTank->Use( this, this, USE_OFF, 0 );
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m_pTank = NULL;
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}
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// clear out the suit message cache so we don't keep chattering
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SetSuitUpdate(NULL, FALSE, 0);
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// Tell Ammo Hud that the player is dead
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MESSAGE_BEGIN( MSG_ONE, gmsgCurWeapon, NULL, pev );
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WRITE_BYTE(0);
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WRITE_BYTE(0XFF);
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WRITE_BYTE(0xFF);
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MESSAGE_END();
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// reset FOV
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m_iFOV = m_iClientFOV = 0;
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pev->fov = m_iFOV;
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MESSAGE_BEGIN( MSG_ONE, gmsgSetFOV, NULL, pev );
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WRITE_BYTE(0);
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MESSAGE_END();
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// Setup flags
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m_iHideHUD = (HIDEHUD_HEALTH | HIDEHUD_WEAPONS);
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m_afPhysicsFlags |= PFLAG_OBSERVER;
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pev->effects = EF_NODRAW;
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pev->view_ofs = g_vecZero;
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pev->solid = SOLID_NOT;
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pev->takedamage = DAMAGE_NO;
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pev->movetype = MOVETYPE_NONE;
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ClearBits( m_afPhysicsFlags, PFLAG_DUCKING );
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ClearBits( pev->flags, FL_DUCKING );
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pev->deadflag = DEAD_RESPAWNABLE;
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pev->health = 1;
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// Clear out the status bar
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m_fInitHUD = TRUE;
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// Update Team Status
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MESSAGE_BEGIN( MSG_ALL, gmsgTeamInfo );
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WRITE_BYTE( ENTINDEX(edict()) );
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WRITE_STRING( "" );
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MESSAGE_END();
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// Remove all the player's stuff
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RemoveAllItems( FALSE );
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// Move them to the new position
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UTIL_SetOrigin( pev, vecPosition );
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// Find a player to watch
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m_flNextObserverInput = 0;
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Observer_SetMode(OBS_ROAMING);
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// Tell all clients this player is now a spectator
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MESSAGE_BEGIN( MSG_ALL, gmsgSpectator );
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WRITE_BYTE( ENTINDEX( edict() ) );
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WRITE_BYTE( 1 );
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MESSAGE_END();
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pev->angles = pev->v_angle = vecViewAngle;
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pev->fixangle = TRUE;
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}
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// Leave observer mode
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void CBasePlayer::StopObserver( void )
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{
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// Turn off spectator
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if ( pev->iuser1 || pev->iuser2 )
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{
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// Tell all clients this player is not a spectator anymore
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MESSAGE_BEGIN( MSG_ALL, gmsgSpectator );
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WRITE_BYTE( ENTINDEX( edict() ) );
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WRITE_BYTE( 0 );
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MESSAGE_END();
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pev->iuser1 = pev->iuser2 = 0;
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m_hObserverTarget = NULL;
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}
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m_fWeapon = FALSE; // force weapon send
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m_iHideHUD = 0;
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}
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// Find the next client in the game for this player to spectate
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void CBasePlayer::Observer_FindNextPlayer( bool bReverse )
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{
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// MOD AUTHORS: Modify the logic of this function if you want to restrict the observer to watching
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// only a subset of the players. e.g. Make it check the target's team.
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int iStart;
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if ( m_hObserverTarget )
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iStart = ENTINDEX( m_hObserverTarget->edict() );
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else
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iStart = ENTINDEX( edict() );
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int iCurrent = iStart;
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m_hObserverTarget = NULL;
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int iDir = bReverse ? -1 : 1;
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do
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{
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iCurrent += iDir;
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// Loop through the clients
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if (iCurrent > gpGlobals->maxClients)
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iCurrent = 1;
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if (iCurrent < 1)
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iCurrent = gpGlobals->maxClients;
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CBaseEntity *pEnt = UTIL_PlayerByIndex( iCurrent );
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if ( !pEnt )
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continue;
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if ( pEnt == this )
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continue;
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// Don't spec observers or invisible players
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if ( ((CBasePlayer*)pEnt)->IsObserver() || (pEnt->pev->effects & EF_NODRAW) )
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continue;
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// MOD AUTHORS: Add checks on target here.
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m_hObserverTarget = pEnt;
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break;
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} while ( iCurrent != iStart );
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// Did we find a target?
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if ( m_hObserverTarget )
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{
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// Store the target in pev so the physics DLL can get to it
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pev->iuser2 = ENTINDEX( m_hObserverTarget->edict() );
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pev->groupinfo = m_hObserverTarget->pev->groupinfo;
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// Move to the target
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if ( pev->iuser1 != OBS_LOCKEDVIEW )
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UTIL_SetOrigin( pev, m_hObserverTarget->pev->origin );
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ALERT( at_console, "Now Tracking %s\n", STRING( m_hObserverTarget->pev->netname ) );
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}
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else
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{
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ALERT( at_console, "No observer targets.\n" );
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}
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}
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void CBasePlayer::ObserverInput_ChangeMode()
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{
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if ( pev->iuser1 == OBS_ROAMING )
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Observer_SetMode( OBS_CHASE_FREE );
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else if ( pev->iuser1 == OBS_CHASE_FREE )
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Observer_SetMode( OBS_LOCKEDVIEW );
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else
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Observer_SetMode( OBS_ROAMING );
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}
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void CBasePlayer::ObserverInput_NextPlayer()
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{
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if ( pev->iuser1 != OBS_ROAMING )
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Observer_FindNextPlayer( false );
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}
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void CBasePlayer::ObserverInput_PrevPlayer()
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{
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if ( pev->iuser1 != OBS_ROAMING )
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Observer_FindNextPlayer( true );
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}
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// Handle buttons in observer mode
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void CBasePlayer::Observer_HandleButtons()
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{
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if ( m_flChangeAngles != -1 && m_flChangeAngles <= gpGlobals->time )
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{
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if ( pev->iuser1 == OBS_LOCKEDVIEW )
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{
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pev->angles = m_vecHitVelocity;
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pev->fixangle = TRUE;
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}
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m_flChangeAngles = -1;
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}
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return;
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// Slow down mouse clicks
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if ( m_flNextObserverInput > gpGlobals->time )
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return;
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// Jump changes from modes: Chase to Roaming
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if ( m_afButtonPressed & IN_JUMP )
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{
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if ( pev->iuser1 == OBS_ROAMING )
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Observer_SetMode( OBS_CHASE_FREE );
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else if ( pev->iuser1 == OBS_CHASE_FREE )
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Observer_SetMode( OBS_LOCKEDVIEW );
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else
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Observer_SetMode( OBS_ROAMING );
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m_flNextObserverInput = gpGlobals->time + 0.2;
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}
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// Attack moves to the next player
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if ( m_afButtonPressed & IN_ATTACK && pev->iuser1 != OBS_ROAMING )
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{
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Observer_FindNextPlayer( false );
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m_flNextObserverInput = gpGlobals->time + 0.2;
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}
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// Attack2 moves to the prev player
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if ( m_afButtonPressed & IN_ATTACK2 && pev->iuser1 != OBS_ROAMING )
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{
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Observer_FindNextPlayer( true );
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m_flNextObserverInput = gpGlobals->time + 0.2;
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}
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}
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// Attempt to change the observer mode
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void CBasePlayer::Observer_SetMode( int iMode )
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{
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// Just abort if we're changing to the mode we're already in
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if ( iMode == pev->iuser1 )
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return;
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// Changing to Roaming?
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if ( iMode == OBS_ROAMING )
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{
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// MOD AUTHORS: If you don't want to allow roaming observers at all in your mod, just abort here.
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pev->iuser1 = OBS_ROAMING;
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pev->iuser2 = 0;
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pev->maxspeed = 320;
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ClientPrint( pev, HUD_PRINTCENTER, "#Spec_Mode3" );
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return;
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}
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if ( iMode == OBS_LOCKEDVIEW )
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{
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// Find the spectator spawn position
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CBaseEntity *pSpot = UTIL_FindEntityByClassname( NULL, "info_player_spectator");
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if ( pSpot )
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{
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// Move them to the new position
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UTIL_SetOrigin( pev, pSpot->pev->origin );
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pev->iuser1 = OBS_LOCKEDVIEW;
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m_flChangeAngles = gpGlobals->time + 0.1;
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m_vecHitVelocity = pSpot->pev->v_angle;
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pev->iuser2 = 0;
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pev->maxspeed = 1;
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}
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return;
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}
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// Changing to Chase Freelook?
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if ( iMode == OBS_CHASE_FREE )
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{
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// If changing from Roaming, or starting observing, make sure there is a target
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if ( m_hObserverTarget == NULL )
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Observer_FindNextPlayer( false );
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if (m_hObserverTarget)
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{
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pev->iuser1 = OBS_CHASE_FREE;
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pev->iuser2 = ENTINDEX( m_hObserverTarget->edict() );
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ClientPrint( pev, HUD_PRINTCENTER, "#Spec_Mode2" );
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pev->maxspeed = 1;
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}
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else
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{
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ClientPrint( pev, HUD_PRINTCENTER, "#Spec_NoTarget" );
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Observer_SetMode(OBS_ROAMING);
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}
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return;
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}
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}
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