Add WaterChanged message, for things that need to be recomputed when the water height changes.

This was SVN commit r15226.

source/simulation2/MessageTypes.h

@@ -291,6 +291,19 @@ public:
 	bool error; // whether we failed to start moving (couldn't find any path)
 };
 
+/**
+ * Sent when water height has been changed.
+ */
+class CMessageWaterChanged : public CMessage
+{
+public:
+	DEFAULT_MESSAGE_IMPL(WaterChanged)
+
+	CMessageWaterChanged()
+	{
+	}
+};
+
 /**
  * Sent when terrain (texture or elevation) has been changed.
  */

source/simulation2/TypeList.h

@@ -46,6 +46,7 @@ MESSAGE(TerritoryPositionChanged)
 MESSAGE(MotionChanged)
 MESSAGE(RangeUpdate)
 MESSAGE(TerrainChanged)
+MESSAGE(WaterChanged)
 MESSAGE(TerritoriesChanged)
 MESSAGE(PathResult)
 MESSAGE(ValueModification)

source/simulation2/components/CCmpWaterManager.cpp

@@ -118,6 +118,9 @@ public:
 
 		// Tell the terrain it'll need to recompute its cached render data
 		GetSimContext().GetTerrain().MakeDirty(RENDERDATA_UPDATE_VERTICES);
+
+		CMessageWaterChanged msg;
+		GetSimContext().GetComponentManager().BroadcastMessage(msg);
 	}
 
 	virtual entity_pos_t GetWaterLevel(entity_pos_t UNUSED(x), entity_pos_t UNUSED(z))

source/simulation2/scripting/MessageTypeConversions.cpp

@@ -282,6 +282,19 @@ CMessage* CMessageTerrainChanged::FromJSVal(ScriptInterface& scriptInterface, js
 
 ////////////////////////////////
 
+jsval CMessageWaterChanged::ToJSVal(ScriptInterface& scriptInterface) const
+{
+	TOJSVAL_SETUP();
+	return OBJECT_TO_JSVAL(obj);
+}
+
+CMessage* CMessageWaterChanged::FromJSVal(ScriptInterface& UNUSED(scriptInterface), jsval UNUSED(val))
+{
+	return new CMessageWaterChanged();
+}
+
+////////////////////////////////
+
 jsval CMessageTerritoriesChanged::ToJSVal(ScriptInterface& scriptInterface) const
 {
 	TOJSVAL_SETUP();