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/Creature Spreading.cpp

@@ -36,6 +36,9 @@
 #include "Strategic Mines.h"
 #include "connect.h"
 
+#ifdef DIFFICULTY_SETTING
+#include "GameInitOptionsScreen.h"
+#endif
 
 #ifdef JA2BETAVERSION
 	BOOLEAN gfClearCreatureQuest = FALSE;
@@ -345,6 +348,10 @@ void InitCreatureQuest()
 	}
 #endif
 	giHabitatedDistance = 0;
+	
+	#ifdef DIFFICULTY_SETTING
+	giPopulationModifier = zDeffSetting[gGameOptions.ubDifficultyLevel].iCreaturePopulationModifier;
+	#else
 	switch( gGameOptions.ubDifficultyLevel )
 	{
 		case DIF_LEVEL_EASY:
@@ -360,7 +367,8 @@ void InitCreatureQuest()
 			giPopulationModifier = INSANE_POPULATION_MODIFIER;
 			break;
 	}
-
+	#endif
+	
 	//Determine which of the maps are infectible by creatures.	Infectible mines
 	//are those that are player controlled and unlimited.	We don't want the creatures to
 	//infect the mine that runs out.
@@ -508,6 +516,11 @@ void InitCreatureQuest()
 	curr->uiFlags |= SF_PENDING_ALTERNATE_MAP;
 
 	//Now determine how often we will spread the creatures.
+	
+	#ifdef DIFFICULTY_SETTING
+		i = zDeffSetting[gGameOptions.ubDifficultyLevel].iQueenInitBonusSpread;
+		AddPeriodStrategicEvent( EVENT_CREATURE_SPREAD, zDeffSetting[gGameOptions.ubDifficultyLevel].iCreatureSpreadTime, 0 );
+	#else
 	switch( gGameOptions.ubDifficultyLevel )
 	{
 		case DIF_LEVEL_EASY:
@@ -527,6 +540,7 @@ void InitCreatureQuest()
 			AddPeriodStrategicEvent( EVENT_CREATURE_SPREAD, INSANE_SPREAD_TIME_IN_MINUTES, 0 );
 			break;
 	}
+	#endif
 
 	//Set things up so that the creatures can plan attacks on helpless miners and civilians while
 	//they are sleeping.	They do their planning at 10PM every day, and decide to attack sometime
@@ -637,6 +651,11 @@ DebugMsg (TOPIC_JA2,DBG_LEVEL_3,"CreatureSpreading1");
 				case DIF_LEVEL_INSANE: //200%
 					iAbsoluteMaxPopulation *= 2;
 					break;
+				#ifdef DIFFICULTY_SETTING
+					default:
+					iAbsoluteMaxPopulation /= 2; //Half
+					break;
+				#endif
 			}
 
 			//Calculate the desired max population percentage based purely on current distant to creature range.
@@ -682,6 +701,9 @@ void SpreadCreatures()
 	}
 
 	//queen just produced a litter of creature larvae.	Let's do some spreading now.
+	#ifdef DIFFICULTY_SETTING
+		usNewCreatures = (UINT16)( zDeffSetting[gGameOptions.ubDifficultyLevel].iQueenReproductionBase + Random( 1 +  zDeffSetting[gGameOptions.ubDifficultyLevel].iQueenReproductionBonus ));
+	#else
 	switch( gGameOptions.ubDifficultyLevel )
 	{
 		case DIF_LEVEL_EASY:
@@ -697,6 +719,7 @@ void SpreadCreatures()
 			usNewCreatures = (UINT16)(INSANE_QUEEN_REPRODUCTION_BASE + Random( 1 + INSANE_QUEEN_REPRODUCTION_BONUS ));
 			break;
 	}
+	#endif
 
 	while( usNewCreatures-- )
 	{
@@ -1737,6 +1760,14 @@ void CreatureNightPlanning()
 	ubNumCreatures = CreaturesInUndergroundSector( ubSectorID , 1 );
 
 	//10% chance for each creature with difficulty modifier to decide it's time to attack.
+	
+	#ifdef DIFFICULTY_SETTING
+			i = zDeffSetting[gGameOptions.ubDifficultyLevel].iCreatureTownAggressiveness;
+			if( ubNumCreatures > 1 && ubNumCreatures * 10 + i > (INT32)PreRandom( 100 ) )
+			{
+				AddStrategicEvent( EVENT_CREATURE_ATTACK, GetWorldTotalMin() + 1 + PreRandom( 429 ), ubSectorID );
+			}
+	#else
 	switch( gGameOptions.ubDifficultyLevel )
 	{
 		case DIF_LEVEL_EASY:
@@ -1768,6 +1799,7 @@ void CreatureNightPlanning()
 			}
 			break;
 	}
+	#endif
 	//if( ubNumCreatures > 1 && ubNumCreatures * 10 > (INT32)PreRandom( 100 ) )
 	//{ //10% chance for each creature to decide it's time to attack.
 	//	AddStrategicEvent( EVENT_CREATURE_ATTACK, GetWorldTotalMin() + 1 + PreRandom( 429 ), ubSectorID );