New feature: radio operator trait allows calling in artillery, requesting reinforcements, scanning for enemies and a few other skills.

Also includes mechansim for easy implementation of new skills.

For more info see http://www.bears-pit.com/board/ubbthreads.php/topics/327348.html#Post327348

Requires GameDir >= r1848.

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@6547 3b4a5df2-a311-0410-b5c6-a8a6f20db521

TileEngine/SmokeEffects.h

@@ -11,6 +11,7 @@ enum
 	MUSTARDGAS_SMOKE_EFFECT,
 	CREATURE_SMOKE_EFFECT,
 	BURNABLEGAS_SMOKE_EFFECT,
+	SIGNAL_SMOKE_EFFECT,		// added by Flugente for artillery
 };
 
 #define SMOKE_EFFECT_INDOORS			0x01
@@ -68,5 +69,7 @@ void ResetSmokeEffects();
 
 void UpdateSmokeEffectGraphics( );
 
+// Flugente: get the gridno and blevel of a random smoke signal, if one exists
+BOOL GetRandomSignalSmokeGridNo(INT32* psGridNo);
 
 #endif