New Feature: Added up to 15 game difficulty settings (by Jazz)

- Externalized the difficulty setings to "TableData\DifficultySettings.xml" file
- Some INI Settings (ja2_options.ini, CTHConstants.ini and Creature_Settings.ini) moved from INI file to this xml file
- see #define DIFFICULTY_SETTING

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@7447 3b4a5df2-a311-0410-b5c6-a8a6f20db521

Strategic/Assignments.cpp

@@ -75,6 +75,10 @@
 
 #include "Vehicles.h"
 
+#ifdef DIFFICULTY_SETTING
+#include "GameInitOptionsScreen.h"
+#endif
+
 //forward declarations of common classes to eliminate includes
 class OBJECTTYPE;
 class SOLDIERTYPE;
@@ -5651,6 +5655,10 @@ void HandleRadioScanInSector( INT16 sMapX, INT16 sMapY, INT8 bZ )
 		return;
 
 	UINT8 normalgroupsize = 0;
+	
+	#ifdef DIFFICULTY_SETTING
+		 normalgroupsize = zDeffSetting[gGameOptions.ubDifficultyLevel].iMinEnemyGroupSize;
+	#else
 	switch( gGameOptions.ubDifficultyLevel )
 	{
 		case DIF_LEVEL_EASY:
@@ -5667,6 +5675,7 @@ void HandleRadioScanInSector( INT16 sMapX, INT16 sMapY, INT8 bZ )
 			normalgroupsize = gGameExternalOptions.ubMinEnemyGroupSizeInsane;
 			break;
 	}
+	#endif
 
 	normalgroupsize *= 2;
 
@@ -5997,6 +6006,10 @@ void HandleGatheringInformationBySoldier( SOLDIERTYPE* pSoldier )
 	}
 
 	UINT16 usNormalGroupSize = 0;
+	
+	#ifdef DIFFICULTY_SETTING
+		 usNormalGroupSize = zDeffSetting[gGameOptions.ubDifficultyLevel].iMinEnemyGroupSize;
+	#else
 	switch( gGameOptions.ubDifficultyLevel )
 	{
 		case DIF_LEVEL_EASY:
@@ -6013,7 +6026,7 @@ void HandleGatheringInformationBySoldier( SOLDIERTYPE* pSoldier )
 			usNormalGroupSize = gGameExternalOptions.ubMinEnemyGroupSizeInsane;
 			break;
 	}
-
+	#endif
 	usNormalGroupSize *= 2;
 
 	FLOAT fBaseChance = ( EffectiveLeadership(pSoldier) + EffectiveWisdom(pSoldier) + EffectiveExpLevel(pSoldier) * 10 ) / 3000.0f;