diff --git a/sp/src/game/client/c_baseviewmodel.cpp b/sp/src/game/client/c_baseviewmodel.cpp
index b053ac1b67..6e73e1556f 100644
--- a/sp/src/game/client/c_baseviewmodel.cpp
+++ b/sp/src/game/client/c_baseviewmodel.cpp
@@ -192,7 +192,7 @@ bool C_BaseViewModel::Interpolate( float currentTime )
 }
 
 
-inline bool C_BaseViewModel::ShouldFlipViewModel()
+bool C_BaseViewModel::ShouldFlipViewModel()
 {
 #if defined(CSTRIKE_DLL) || defined (MAPBASE)
 	// If cl_righthand is set, then we want them all right-handed.
diff --git a/sp/src/game/client/fx_impact.cpp b/sp/src/game/client/fx_impact.cpp
index 41893f7b06..0ef81cc568 100644
--- a/sp/src/game/client/fx_impact.cpp
+++ b/sp/src/game/client/fx_impact.cpp
@@ -104,7 +104,7 @@ C_BaseAnimating *FX_AffectRagdolls_GetHit( Vector vecOrigin, Vector vecStart, in
 {
 	// don't do this when lots of ragdolls are simulating
 	if ( s_RagdollLRU.CountRagdolls(true) > 1 )
-		return false;
+		return NULL;
 	Ray_t shotRay;
 	shotRay.Init( vecStart, vecOrigin );
 
diff --git a/sp/src/game/client/viewdebug.cpp b/sp/src/game/client/viewdebug.cpp
index 0204a0ab23..94988d9f84 100644
--- a/sp/src/game/client/viewdebug.cpp
+++ b/sp/src/game/client/viewdebug.cpp
@@ -758,7 +758,7 @@ CON_COMMAND_F( r_screenoverlay_indexed, "Draw specified material as an overlay i
 	}
 	else
 	{
-		Warning( "Format: r_screenoverlay_indexed <index> <material> %s\n" );
+		Warning( "Format: r_screenoverlay_indexed <index> [<material>]\n" );
 	}
 }
 #endif
diff --git a/sp/src/game/server/baseanimating.cpp b/sp/src/game/server/baseanimating.cpp
index 5d27044a43..1db0693a8d 100644
--- a/sp/src/game/server/baseanimating.cpp
+++ b/sp/src/game/server/baseanimating.cpp
@@ -1948,7 +1948,7 @@ ConVar ai_setupbones_debug( "ai_setupbones_debug", "0", 0, "Shows that bones tha
 
 
 
-inline bool CBaseAnimating::CanSkipAnimation( void )
+bool CBaseAnimating::CanSkipAnimation( void )
 {
 	if ( !sv_pvsskipanimation.GetBool() )
 		return false;
diff --git a/sp/src/game/server/mapbase/ai_grenade.h b/sp/src/game/server/mapbase/ai_grenade.h
index bfcbd4de2d..3592733370 100644
--- a/sp/src/game/server/mapbase/ai_grenade.h
+++ b/sp/src/game/server/mapbase/ai_grenade.h
@@ -22,6 +22,7 @@
 #include "gameweaponmanager.h"
 #include "hl2_gamerules.h"
 #include "weapon_physcannon.h"
+#include "globalstate.h"
 
 #define COMBINE_AE_GREN_TOSS		( 7 )
 
@@ -118,7 +119,7 @@ class CAI_GrenadeUser : public BASE_NPC, public CAI_GrenadeUserSink
 	}
 
 	// Use secondary ammo as a way of checking if this is a weapon which can be alt-fired (e.g. AR2 or SMG)
-	virtual bool	IsAltFireCapable() { return (GetActiveWeapon() && GetActiveWeapon()->UsesSecondaryAmmo()); }
+	virtual bool	IsAltFireCapable() { return (this->GetActiveWeapon() && this->GetActiveWeapon()->UsesSecondaryAmmo()); }
 	virtual bool	IsGrenadeCapable() { return true; }
 	inline bool		HasGrenades() { return m_iNumGrenades > 0; }
 
@@ -646,9 +647,9 @@ void CAI_GrenadeUser<BASE_NPC>::DropGrenadeItemsOnDeath( const CTakeDamageInfo &
 	{
 		CBaseEntity *pItem;
 		if (this->GetActiveWeapon() && FClassnameIs( this->GetActiveWeapon(), "weapon_smg1" ))
-			pItem = this->DropItem( "item_ammo_smg1_grenade", WorldSpaceCenter()+RandomVector(-4,4), RandomAngle(0,360) );
+			pItem = this->DropItem( "item_ammo_smg1_grenade", this->WorldSpaceCenter()+RandomVector(-4,4), RandomAngle(0,360) );
 		else
-			pItem = this->DropItem( "item_ammo_ar2_altfire", WorldSpaceCenter() + RandomVector( -4, 4 ), RandomAngle( 0, 360 ) );
+			pItem = this->DropItem( "item_ammo_ar2_altfire", this->WorldSpaceCenter() + RandomVector( -4, 4 ), RandomAngle( 0, 360 ) );
 
 		if ( pItem )
 		{
@@ -688,14 +689,14 @@ void CAI_GrenadeUser<BASE_NPC>::DropGrenadeItemsOnDeath( const CTakeDamageInfo &
 			// Attempt to drop a grenade
 			if ( pHL2GameRules->NPC_ShouldDropGrenade( pPlayer ) )
 			{
-				this->DropItem( "weapon_frag", WorldSpaceCenter()+RandomVector(-4,4), RandomAngle(0,360) );
+				this->DropItem( "weapon_frag", this->WorldSpaceCenter()+RandomVector(-4,4), RandomAngle(0,360) );
 				pHL2GameRules->NPC_DroppedGrenade();
 			}
 		}
 
 		// if I was killed before I could finish throwing my grenade, drop
 		// a grenade item that the player can retrieve.
-		if (GetActivity() == ACT_RANGE_ATTACK2 && ShouldDropInterruptedGrenades())
+		if (this->GetActivity() == ACT_RANGE_ATTACK2 && ShouldDropInterruptedGrenades())
 		{
 			if( m_iLastAnimEventHandled != COMBINE_AE_GREN_TOSS )
 			{
@@ -703,7 +704,7 @@ void CAI_GrenadeUser<BASE_NPC>::DropGrenadeItemsOnDeath( const CTakeDamageInfo &
 				Vector vecStart;
 				this->GetAttachment( GetGrenadeAttachment(), vecStart );
 
-				CBaseEntity *pItem = DropItem( "weapon_frag", vecStart, RandomAngle(0,360) );
+				CBaseEntity *pItem = this->DropItem( "weapon_frag", vecStart, RandomAngle(0,360) );
 
 				if ( pItem )
 				{