New feature: random items allow spawn not themselves, but an item from a brad selection

- specify random items in RandomItems.xml
- when the game creates a random item, it searches all vialbe items according to random item class and picks one randomly
- this allows mappers to place items in maps that are more independent of the xml-set used, however the random items themselves msut be the same in map&mod
- can also be used to broaden the enemy gun/item choices selection
- for more reference, see http://www.bears-pit.com/board/ubbthreads.php/topics/310793.html#Post310793

FIX: sector curfew value was interpreted wrong

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@5594 3b4a5df2-a311-0410-b5c6-a8a6f20db521

Tactical/Item Types.h

@@ -1138,8 +1138,25 @@ typedef struct
 	// Flugente: clothes type that 'links' to an entry in Clothes.xml
 	UINT32	clothestype;
 
+	// Flugente: a link to RandomItemsClass.xml. Out of such an item, a random object is created, depending on the entries in the xml
+	UINT16	randomitem;
+	INT8	randomitemcoolnessmodificator;		// alters the allowed maximum coolness a random item can have
+
 } INVTYPE;
 
+
+// Flugente: move this to a better position
+typedef struct RANDOM_ITEM_CHOICE_TYPE
+{
+	UINT16		uiIndex;
+	//CHAR16		szName[80];					// name of this choice (not used ingame, only for readability)
+	UINT16		randomitem[10];				// room to link to other random item choices
+	UINT16		item[10];					// room for up to 10 items
+
+} RANDOM_ITEM_CHOICE_TYPE;
+
+extern RANDOM_ITEM_CHOICE_TYPE gRandomItemClass[200];
+
 // CHRISL: Added new structures to handle LBE gear and the two new XML files that will be needed to deal
 // with the IC pockets and the new inventory system.
 //DBrot: Increased the LBE combo to 32bit to allow for multiple combos (using a bitwise system)