* 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 resource entry for inventory.txt
* adding loader for inventory.txt
* adding call to inventory.txt loader in d2app
* d2game now uses the inventory.txt records for making the inventory panel
* Add InventoryItemMisc struct
* Add GetMiscItemByCode function
* Implement InventoryItem interface for InventoryItemMisc
* Add rings and amulets to the example items loading.
* Fix Y of LeftHand and RightHand equipment slots.
* Add "Ripolak" name to CONTRIBUTORS
* Remove double item
* Add basic EquipmentSlot struct
* Add Load function to EquipmentSlot
* Move EquipmentSlot struct to inventory_grid.go
* Add equipmentSlots arg to ItemGrid struct
* Add basic rendering of equipment slots.
* Change rendering of equipment slots to simply use their static x and y
* Add ChangeEquippedSlot function
* Add initialization to all equipped slots types.
* Fix Y locations of equipment slots
* Move default equipment slots to a genEquipmentSlotsMap function.
* Change Item to item
* Fix coordinates
* Change usage of string to EquippedSlotType when dealing with different slots in rendering.
* Fix import error
* Remove neck example
* Add loading sprites of equipped items.
* Clean code in Inventory rendering
* Clean code in Inventory rendering
* Clean code in Inventory rendering
* Change default items that get rendered.
* Change default items that get rendered.
* Add width and height to EquipementSlot struct
* Fill in width and height to current equipment slots.
* Fix Y setting of equipment slots
* Rename variables for clean code.
* Change handling nil itemSprite to condition instead of loop return.
* Split Render function to 2 functions.
* Add TODO
* Change comment to start with capital I