* Remove weapons, armor, misc, itemCommon, itemTyps datadict singletons
- removed loader calls from d2app
- removed the HeroObjects singleton from `d2core/d2inventory`
- added an InventoryItemFactory in d2inventory
- package-level functions that use data records are now methods of the InventoryItemFactory
- renamed ItemGenerator in d2item to ItemFactory
- package-level functions that use records are now methods of ItemFactory
- d2map.MapEntityFactory now has an item factory instance for creating items
- fixed a bug in unique item record loader where it loaded an empty record
- added a PlayerStateFactory for creating a player state (uses the asset manager)
- updated the test inventory/equipment code in d2player to handle errors from the ItemFactory
- character select and character creation screens have a player state and inventory item factory
- updated item tests to use the item factory
* minor edit
* Removed d2datadict.Experience singleton
added a HeroStatsFactory, much like the other factories. The factory gets an
asset manager reference in order to use data records.
* removed d2datadict.AutoMagic singleton
* removed d2datadict.AutoMap singleton
* removed d2datadict.BodyLocations singleton
* removed d2datadict.Books singleton
* Removed singletons for level records
- removed loader calls in d2app
- changed type references from d2datadict to d2records
- added a `MapGenerator` in d2mapgen which uses thew asset manager and map engine
- package-level map generation functions are now MapGenerator methods
- `d2datadict.GetLevelDetails(id int)` is now a method of the RecordManager
* remove SkillCalc and MissileCalc singletons
* Removed CharStats and ItemStatCost singletons
- added an ItemStatFactory which uses the asset manager to create stats
- package-level functions for stats in d2item are now StatFactory methods
- changed type references from d2datadict to d2records
- `d2player.GetAllPlayerStates` is now a method of the `PlayerStateFactory`
* Removed DkillDesc and Skills singletons from d2datadict
- removed loader calls from d2app
- diablo2stats.Stat instances are given a reference to the factory for doing record lookups
* update the stats test to use mock a asset manager and stat factory
* fixed diablo2stats tests and diablo2item tests
* removed CompCodes singleton from d2datadict
* remove cubemain singleton from d2datadict
* removed DifficultyLevels singleton from d2datadict
* removed ElemTypes singleton from d2datadict
* removed events.go loader from d2datadict (was unused)
* removed Gems singleton from d2datadict
* removed Hireling and Inventory singletons from d2datadict
* removed MagicPrefix and MagicSuffix singletons from d2datadict
* removed ItemRatios singleton from d2datadict
* removed Missiles singleton from d2datadict
* removed MonModes singleton
* Removed all monster and npc singletons from d2datadict
- MapStamp instances now get a reference to their factory for doing record lookups
* removed SoundEntry and SoundEnviron singletons from d2datadict
* adding debug printing boxes for entity bounds
* minor edits
- adding `spawnmon` command. currently does not have a netpacket, just for debug
- adding `GetSize` method to map entities for getting frame bounds (for debug printing)
* bug fix
* added highlight to animated entity
* moving provider functions for item, missile, npc, player into package export file d2mapentity.go
* changed `Create` to `New` in map entity provider functions
* add item highlight on hover
* add Name method to item entity
* wip d2items system and item properties
* added loader for TreasureClassEx.txt
* wip item spawn from treasure class records
* wip items
* add call to init item equivalencies, remove treasure class test from d2app
* made item affix records global var a map of affix codes to the records
* changed how item to item common record equivalency is determined
* changed set items records export to a map of their codes to the records, grouped property params into a struct
* changed property parameter field from calcstring to string
* fixed bug in stat value clone
* adding equipper interface as part of stat context, eventually to be used to resolve set bonus (among other things)
* made the item interface simpler, only needs name and description methods
* adding equipper interface, for anything that will equip or have active items
* handle case where min and max are swapped, removed commented code
* added property/stat resolution for magic, rare, set, and unique items
* adding item generator which can roll for items using treasure class records
* fixed item equivalency func being called in the wrong spot
* added item spawning
- added packet type for spawning items
- added client/server handlers for SpawnItem packets
- added map entity for items
- added simpler item provider function in diablo2item package
- added debug terminal command for spawning items
