Added most recent version of unmodified HL2 SDK for Episode 1 engine

game_shared/sdk/sdk_fx_shared.cpp

@@ -0,0 +1,224 @@
+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "sdk_fx_shared.h"
+#include "weapon_sdkbase.h"
+
+#ifndef CLIENT_DLL
+	#include "ilagcompensationmanager.h"
+#endif
+
+#ifdef CLIENT_DLL
+
+#include "fx_impact.h"
+#include "c_sdk_player.h"
+
+	// this is a cheap ripoff from CBaseCombatWeapon::WeaponSound():
+	void FX_WeaponSound(
+		int iPlayerIndex,
+		WeaponSound_t sound_type,
+		const Vector &vOrigin,
+		CSDKWeaponInfo *pWeaponInfo )
+	{
+
+		// If we have some sounds from the weapon classname.txt file, play a random one of them
+		const char *shootsound = pWeaponInfo->aShootSounds[ sound_type ]; 
+		if ( !shootsound || !shootsound[0] )
+			return;
+
+		CBroadcastRecipientFilter filter; // this is client side only
+		if ( !te->CanPredict() )
+			return;
+				
+		CBaseEntity::EmitSound( filter, iPlayerIndex, shootsound, &vOrigin ); 
+	}
+
+	class CGroupedSound
+	{
+	public:
+		string_t m_SoundName;
+		Vector m_vPos;
+	};
+
+	CUtlVector<CGroupedSound> g_GroupedSounds;
+
+	
+	// Called by the ImpactSound function.
+	void ShotgunImpactSoundGroup( const char *pSoundName, const Vector &vEndPos )
+	{
+		// Don't play the sound if it's too close to another impact sound.
+		for ( int i=0; i < g_GroupedSounds.Count(); i++ )
+		{
+			CGroupedSound *pSound = &g_GroupedSounds[i];
+
+			if ( vEndPos.DistToSqr( pSound->m_vPos ) < 300*300 )
+			{
+				if ( Q_stricmp( pSound->m_SoundName, pSoundName ) == 0 )
+					return;
+			}
+		}
+
+		// Ok, play the sound and add it to the list.
+		CLocalPlayerFilter filter;
+		C_BaseEntity::EmitSound( filter, NULL, pSoundName, &vEndPos );
+
+		int j = g_GroupedSounds.AddToTail();
+		g_GroupedSounds[j].m_SoundName = pSoundName;
+		g_GroupedSounds[j].m_vPos = vEndPos;
+	}
+
+
+	void StartGroupingSounds()
+	{
+		Assert( g_GroupedSounds.Count() == 0 );
+		SetImpactSoundRoute( ShotgunImpactSoundGroup );
+	}
+
+
+	void EndGroupingSounds()
+	{
+		g_GroupedSounds.Purge();
+		SetImpactSoundRoute( NULL );
+	}
+
+#else
+
+	#include "sdk_player.h"
+	#include "te_firebullets.h"
+	
+	// Server doesn't play sounds anyway.
+	void StartGroupingSounds() {}
+	void EndGroupingSounds() {}
+	void FX_WeaponSound ( int iPlayerIndex,
+		WeaponSound_t sound_type,
+		const Vector &vOrigin,
+		CSDKWeaponInfo *pWeaponInfo ) {};
+
+#endif
+
+
+
+// This runs on both the client and the server.
+// On the server, it only does the damage calculations.
+// On the client, it does all the effects.
+void FX_FireBullets( 
+	int	iPlayerIndex,
+	const Vector &vOrigin,
+	const QAngle &vAngles,
+	int	iWeaponID,
+	int	iMode,
+	int iSeed,
+	float flSpread
+	)
+{
+	bool bDoEffects = true;
+
+#ifdef CLIENT_DLL
+	C_SDKPlayer *pPlayer = ToSDKPlayer( ClientEntityList().GetBaseEntity( iPlayerIndex ) );
+#else
+	CSDKPlayer *pPlayer = ToSDKPlayer( UTIL_PlayerByIndex( iPlayerIndex) );
+#endif
+
+	const char * weaponAlias =	WeaponIDToAlias( iWeaponID );
+
+	if ( !weaponAlias )
+	{
+		DevMsg("FX_FireBullets: weapon alias for ID %i not found\n", iWeaponID );
+		return;
+	}
+
+	char wpnName[128];
+	Q_snprintf( wpnName, sizeof( wpnName ), "weapon_%s", weaponAlias );
+	WEAPON_FILE_INFO_HANDLE	hWpnInfo = LookupWeaponInfoSlot( wpnName );
+
+	if ( hWpnInfo == GetInvalidWeaponInfoHandle() )
+	{
+		DevMsg("FX_FireBullets: LookupWeaponInfoSlot failed for weapon %s\n", wpnName );
+		return;
+	}
+
+	CSDKWeaponInfo *pWeaponInfo = static_cast< CSDKWeaponInfo* >( GetFileWeaponInfoFromHandle( hWpnInfo ) );
+
+#ifdef CLIENT_DLL
+	// Do the firing animation event.
+	if ( pPlayer && !pPlayer->IsDormant() )
+	{
+		if ( iMode == Primary_Mode )
+			pPlayer->m_PlayerAnimState->DoAnimationEvent( PLAYERANIMEVENT_FIRE_GUN_PRIMARY );
+		else
+			pPlayer->m_PlayerAnimState->DoAnimationEvent( PLAYERANIMEVENT_FIRE_GUN_SECONDARY );
+	}
+#else
+	// if this is server code, send the effect over to client as temp entity
+	// Dispatch one message for all the bullet impacts and sounds.
+	TE_FireBullets( 
+		iPlayerIndex,
+		vOrigin, 
+		vAngles, 
+		iWeaponID,
+		iMode,
+		iSeed,
+		flSpread
+		);
+
+	bDoEffects = false; // no effects on server
+#endif
+
+	iSeed++;
+
+	int		iDamage = pWeaponInfo->m_iDamage;
+	int		iAmmoType = pWeaponInfo->iAmmoType;
+
+	WeaponSound_t sound_type = SINGLE;
+
+	if ( bDoEffects)
+	{
+		FX_WeaponSound( iPlayerIndex, sound_type, vOrigin, pWeaponInfo );
+	}
+
+
+	// Fire bullets, calculate impacts & effects
+
+	if ( !pPlayer )
+		return;
+	
+	StartGroupingSounds();
+
+#if !defined (CLIENT_DLL)
+	// Move other players back to history positions based on local player's lag
+	lagcompensation->StartLagCompensation( pPlayer, pPlayer->GetCurrentCommand() );
+#endif
+
+	for ( int iBullet=0; iBullet < pWeaponInfo->m_iBullets; iBullet++ )
+	{
+		RandomSeed( iSeed );	// init random system with this seed
+
+		// Get circular gaussian spread.
+		float x, y;
+		x = RandomFloat( -0.5, 0.5 ) + RandomFloat( -0.5, 0.5 );
+		y = RandomFloat( -0.5, 0.5 ) + RandomFloat( -0.5, 0.5 );
+	
+		iSeed++; // use new seed for next bullet
+
+		pPlayer->FireBullet(
+			vOrigin,
+			vAngles,
+			flSpread,
+			iDamage,
+			iAmmoType,
+			pPlayer,
+			bDoEffects,
+			x,y );
+	}
+
+#if !defined (CLIENT_DLL)
+	lagcompensation->FinishLagCompensation( pPlayer );
+#endif
+
+	EndGroupingSounds();
+}
+