1 files changed, 141 insertions, 0 deletions
diff --git a/game/client/dod/c_dod_smokegrenade.cpp b/game/client/dod/c_dod_smokegrenade.cpp
new file mode 100644
index 0000000..8af4998
--- /dev/null
+++ b/game/client/dod/c_dod_smokegrenade.cpp
@@ -0,0 +1,141 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#include "cbase.h"
+#include "c_dod_smokegrenade.h"
+#include "dod_shareddefs.h"
+#include "tier1/KeyValues.h"
+#include "toolframework_client.h"
+#include "fx.h"
+#include "view.h"
+#include "smoke_fog_overlay.h"
+
+IMPLEMENT_NETWORKCLASS_ALIASED( DODSmokeGrenade, DT_DODSmokeGrenade )
+
+BEGIN_RECV_TABLE(C_DODSmokeGrenade, DT_DODSmokeGrenade )
+	RecvPropTime(RECVINFO(m_flSmokeSpawnTime)),
+END_NETWORK_TABLE()
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+C_DODSmokeGrenade::C_DODSmokeGrenade( void )
+{
+}
+
+const char *C_DODSmokeGrenade::GetOverviewSpriteName( void )
+{
+	const char *pszSprite = "";
+
+	switch( GetTeamNumber() )
+	{
+	case TEAM_ALLIES:
+		pszSprite = "sprites/minimap_icons/minimap_smoke_us";
+		break;
+	case TEAM_AXIS:
+		pszSprite = "sprites/minimap_icons/minimap_smoke_ger";
+		break;
+	default:
+		break;
+	}
+
+	return pszSprite;
+}
+
+void C_DODSmokeGrenade::OnDataChanged( DataUpdateType_t updateType )
+{
+	BaseClass::OnDataChanged(updateType);
+
+	if(updateType == DATA_UPDATE_CREATED )
+	{
+		SetNextClientThink( CLIENT_THINK_ALWAYS );
+	}
+}
+
+static inline float& EngineGetSmokeFogOverlayAlpha()
+{
+	return g_SmokeFogOverlayAlpha;
+}
+
+#define SMOKE_CLOUD_RADIUS 330
+#define EXPAND_TIME	2.0
+
+float C_DODSmokeGrenade::CalcSmokeCloudRadius( void )
+{
+	float flLifetime = gpGlobals->curtime - m_flSmokeSpawnTime;
+	if( flLifetime > EXPAND_TIME )
+		flLifetime = EXPAND_TIME;
+		
+	float flRadius = SMOKE_CLOUD_RADIUS * (float)sin(flLifetime * M_PI * 0.5 / EXPAND_TIME);
+
+	return flRadius;
+}
+
+float C_DODSmokeGrenade::CalcSmokeCloudAlpha( void )
+{
+	float flLifetime = gpGlobals->curtime - m_flSmokeSpawnTime;
+	//if( flLifetime > SMOKESPHERE_EXPAND_TIME )
+	//	flLifetime = SMOKESPHERE_EXPAND_TIME;
+
+	const float flFadedInTime = 3;
+	const float flStartFadingOutTime = 9;
+	const float flEndFadingOutTime = 12;
+
+	float flFadeAlpha;
+
+	// Update our fade alpha.
+	if( flLifetime < flFadedInTime )
+	{
+		float fadePercent = flLifetime / flFadedInTime;
+		flFadeAlpha = SimpleSpline( fadePercent );
+	}
+	else if ( flLifetime > flEndFadingOutTime )
+	{
+		flFadeAlpha = 0.0;
+	}
+	else if ( flLifetime > flStartFadingOutTime )
+	{
+		float fadePercent = ( flLifetime - flStartFadingOutTime ) / ( flEndFadingOutTime - flStartFadingOutTime );
+		flFadeAlpha = SimpleSpline( 1.0 - fadePercent );
+	}
+	else
+	{
+		flFadeAlpha = 1.0;
+	}
+
+	return flFadeAlpha;
+}
+
+// Add our influence to the global smoke fog alpha.
+void C_DODSmokeGrenade::ClientThink( void )
+{
+	if ( m_flSmokeSpawnTime > 0 )
+	{
+		float flExpandRadius = CalcSmokeCloudRadius();
+
+		Vector vecSmokePos = GetAbsOrigin();
+		vecSmokePos.z += 32;
+
+		float testDist = (MainViewOrigin() - vecSmokePos).Length();
+
+		// The center of the smoke cloud that always gives full fog overlay
+		float flCoreDistance = flExpandRadius * 0.3;
+
+		if( testDist < flExpandRadius )
+		{			
+			float flFadeAlpha = CalcSmokeCloudAlpha();
+
+			if( testDist < flCoreDistance )
+			{
+				EngineGetSmokeFogOverlayAlpha() += flFadeAlpha;
+			}
+			else
+			{
+				EngineGetSmokeFogOverlayAlpha() += (1 - ( testDist - flCoreDistance ) / ( flExpandRadius - flCoreDistance ) ) * flFadeAlpha;
+			}
+		}	
+	}
+}
+\ No newline at end of file