{
  "hook_pre_world_rendering": {
    "version": 0,
    "value": "true",
    "comment": [
      "Purpose: hook in world rendering, triggered between sky and terrain",
      "Modified class: net.minecraft.client.renderer.EntityRenderer",
      "Known users: Sky block",
      "When disabled: Sky block will not render properly"
    ]
  },
  "activate_player_render_hook": {
    "version": 0,
    "value": "true",
    "comment": [
      "Purpose: add hook to player rendering code",
      "Modified class: net.minecraft.client.renderer.entity.RenderPlayer",
      "Known users: OpenBlocks hangglider",
      "When disabled: code may fallback to less compatible mechanism (like replacing renderer)"
    ]
  },
  "activate_map_gen_fix": {
    "version": 0,
    "value": "true",
    "comment": [
      "Purpose: fix bug in vanilla code used to find nearby structures",
      "Modified class: net.minecraft.world.gen.structure.MapGenStructure",
      "Known users: OpenBlocks golden eye",
      "When disabled: features may not work (either silently fail or cause crash)"
    ]
  },
  "activate_player_damage_hook": {
    "version": 0,
    "value": "true",
    "comment": [
      "Purpose: hook for capturing damage to player (after armor and potion calculations)",
      "Modified class: net.minecraft.entity.player.EntityPlayer",
      "Known users: Last Stand enchantment",
      "When disabled: Last Stand enchantment will not work"
    ]
  },
  "activate_movement_callback": {
    "version": 0,
    "value": "true",
    "comment": [
      "Purpose: this transformer add hook to player movement controls",
      "Modified class: net.minecraft.client.entity.EntityPlayerSP",
      "Known users: OpenBlocks elevator",
      "When disabled: users usually have fallbacks (elevator will use less accurate algorithm)"
    ]
  },
  "horse_null_fix": {
    "version": 0,
    "value": "true",
    "comment": [
      "Purpose: prevent NPE when creating horse without world",
      "Modified class: net.minecraft.entity.passive.EntityHorse",
      "Known users: Trophy",
      "When disabled: Horse trophy cannot be rendered"
    ]
  }
}