Here is a list of all files with brief descriptions:

[detail level 1234]

▼ patches
▼ tModLoader
► Terraria.ModLoader
AutoloadEquip.cs
AutoloadHead.cs
BackgroundStyleLoaders.cs
BackgroundTextureLoader.cs
BuffLoader.cs
CombinedHooks.cs
CommandManager.cs
ContentInstance.cs
ConvertiblePlants.cs
DrawableTooltipLine.cs
DrawInfo.cs
DrawLayer.cs
EquipLoader.cs
EquipTexture.cs
EquipType.cs
ErrorLogger.cs
FrameworkVersion.cs
GlobalBuff.cs
GlobalItem.cs
GlobalNPC.cs
GlobalProjectile.cs
GlobalRecipe.cs
GlobalTile.cs
GlobalWall.cs
HotkeyLoader.cs
ItemLoader.cs
Logging.cs
MapEntry.cs
MapLegend.cs
MapLoader.cs
Mod.cs
ModBackgroundStyle.cs
ModBuff.cs
ModCommand.cs
ModContent.cs
ModDust.cs
ModGore.cs
ModHooks.cs
ModHotkey.cs
ModInternals.cs
ModItem.cs
ModLoader.cs
ModMountData.cs
ModNet.cs
ModNPC.cs
ModPacket.cs
ModPlayer.cs
ModPrefix.cs
ModProjectile.cs
ModProperties.cs
ModRecipe.cs
ModSide.cs
ModSound.cs
ModTile.cs
ModTileEntity.cs
ModTranslation.cs
ModWall.cs
ModWaterStyle.cs
ModWorld.cs
MonoModHooks.cs
MountLoader.cs
MountTextureType.cs
MusicPriority.cs
MusicWrappers.cs
NPCHeadLoader.cs
NPCLoader.cs
NPCSpawnHelper.cs
NPCSpawnInfo.cs
PlayerHooks.cs
ProjectileLoader.cs
RecipeEditor.cs
RecipeFinder.cs
RecipeGroupHelper.cs
RecipeHooks.cs
SoundLoader.cs
SoundType.cs
TileLoader.cs
TooltipLine.cs
TopoSort.cs
WallLoader.cs
WaterStyleLoader.cs
WorldHooks.cs
► Terraria.ModLoader.Config
ConfigAttributes.cs
ConfigManager.cs
EntityDefinition.cs
ModConfig.cs
► Terraria.ModLoader.Exceptions
BuildException.cs
CustomModDataException.cs
FolderCreationFailedException.cs
MissingResourceException.cs
ModSortingException.cs
OldHookException.cs
RecipeException.cs
ResourceLoadException.cs
► Terraria.ModLoader.IO
BackupIO.cs
BigEndian.cs
BinaryIO.cs
ImageIO.cs
ItemIO.cs
MapIO.cs
PlayerIO.cs
TagCompound.cs
TagIO.cs
TagPrinter.cs
TagSerializable.cs
TagSerializer.cs
TileIO.cs
UploadFile.cs
WorldIO.cs