{
  "category": "Container",
  "packets": [
    {
      "id": "0x24",
      "name": "Display Container",
      "description": "Opens a container gump on the client.",
      "direction": "outgoing",
      "isDynamic": false,
      "size": "7 (pre-HS) or 9 (HS+)",
      "variants": [
        {
          "version": "pre-HighSeas",
          "name": "Classic",
          "size": 7,
          "fields": [
            { "name": "packetId", "type": "byte", "size": 1, "value": "0x24", "description": "Packet identifier" },
            { "name": "containerSerial", "type": "uint", "size": 4, "description": "Serial of the container" },
            { "name": "gumpId", "type": "ushort", "size": 2, "description": "Gump graphic ID" }
          ]
        },
        {
          "version": "HighSeas+",
          "name": "High Seas Extended",
          "condition": "Client version >= 7.0.9.0 (HighSeas)",
          "size": 9,
          "fields": [
            { "name": "packetId", "type": "byte", "size": 1, "value": "0x24", "description": "Packet identifier" },
            { "name": "containerSerial", "type": "uint", "size": 4, "description": "Serial of the container" },
            { "name": "gumpId", "type": "ushort", "size": 2, "description": "Gump graphic ID" },
            { "name": "containerType", "type": "short", "size": 2, "value": "0x007D", "description": "Container type (125)" }
          ]
        }
      ],
      "clientVersion": {
        "feature": "HighSeas adds containerType field"
      },
      "source": {
        "file": "Projects/Server/Network/Packets/OutgoingContainerPackets.cs",
        "line": 108
      }
    },
    {
      "id": "0x25",
      "name": "Container Content Update",
      "description": "Updates a single item in a container.",
      "direction": "outgoing",
      "isDynamic": false,
      "size": "20 (pre-6017) or 21 (6017+)",
      "variants": [
        {
          "version": "pre-6017",
          "name": "Classic",
          "size": 20,
          "fields": [
            { "name": "packetId", "type": "byte", "size": 1, "value": "0x25", "description": "Packet identifier" },
            { "name": "itemSerial", "type": "uint", "size": 4, "description": "Serial of the item" },
            { "name": "itemId", "type": "ushort", "size": 2, "description": "Item graphic ID" },
            { "name": "itemIdOffset", "type": "byte", "size": 1, "value": "0x00", "description": "Item ID offset (signed)" },
            { "name": "amount", "type": "ushort", "size": 2, "description": "Stack amount" },
            { "name": "x", "type": "short", "size": 2, "description": "X position in container" },
            { "name": "y", "type": "short", "size": 2, "description": "Y position in container" },
            { "name": "containerSerial", "type": "uint", "size": 4, "description": "Serial of parent container" },
            { "name": "hue", "type": "ushort", "size": 2, "description": "Item hue" }
          ]
        },
        {
          "version": "6017+",
          "name": "Container Grid Lines",
          "condition": "Client version >= 6.0.1.7 (ContainerGridLines)",
          "size": 21,
          "fields": [
            { "name": "packetId", "type": "byte", "size": 1, "value": "0x25", "description": "Packet identifier" },
            { "name": "itemSerial", "type": "uint", "size": 4, "description": "Serial of the item" },
            { "name": "itemId", "type": "ushort", "size": 2, "description": "Item graphic ID" },
            { "name": "itemIdOffset", "type": "byte", "size": 1, "value": "0x00", "description": "Item ID offset (signed)" },
            { "name": "amount", "type": "ushort", "size": 2, "description": "Stack amount" },
            { "name": "x", "type": "short", "size": 2, "description": "X position in container" },
            { "name": "y", "type": "short", "size": 2, "description": "Y position in container" },
            { "name": "gridLocation", "type": "byte", "size": 1, "description": "Grid slot position" },
            { "name": "containerSerial", "type": "uint", "size": 4, "description": "Serial of parent container" },
            { "name": "hue", "type": "ushort", "size": 2, "description": "Item hue" }
          ]
        }
      ],
      "clientVersion": {
        "feature": "ContainerGridLines adds gridLocation byte"
      },
      "source": {
        "file": "Projects/Server/Network/Packets/OutgoingContainerPackets.cs",
        "line": 127
      }
    },
    {
      "id": "0x3C",
      "name": "Container Content",
      "description": "Sends full contents of a container.",
      "direction": "outgoing",
      "isDynamic": true,
      "size": "Dynamic",
      "fields": [
        { "name": "packetId", "type": "byte", "size": 1, "value": "0x3C", "description": "Packet identifier" },
        { "name": "length", "type": "ushort", "size": 2, "description": "Packet length" },
        { "name": "itemCount", "type": "ushort", "size": 2, "description": "Number of items" },
        {
          "name": "items",
          "type": "loop",
          "loop": {
            "countField": "itemCount",
            "itemSize": "19 (pre-6017) or 20 (6017+)",
            "fields": [
              { "name": "itemSerial", "type": "uint", "size": 4, "description": "Serial of the item" },
              { "name": "itemId", "type": "ushort", "size": 2, "description": "Item graphic ID" },
              { "name": "itemIdOffset", "type": "byte", "size": 1, "description": "Item ID offset (signed)" },
              { "name": "amount", "type": "ushort", "size": 2, "description": "Stack amount" },
              { "name": "x", "type": "short", "size": 2, "description": "X position in container" },
              { "name": "y", "type": "short", "size": 2, "description": "Y position in container" },
              { "name": "gridLocation", "type": "byte", "size": 1, "description": "Grid slot (6017+ only)", "condition": "ContainerGridLines" },
              { "name": "containerSerial", "type": "uint", "size": 4, "description": "Serial of parent container" },
              { "name": "hue", "type": "ushort", "size": 2, "description": "Item hue" }
            ]
          }
        }
      ],
      "clientVersion": {
        "feature": "ContainerGridLines adds gridLocation byte per item"
      },
      "source": {
        "file": "Projects/Server/Network/Packets/OutgoingContainerPackets.cs",
        "line": 169
      }
    },
    {
      "id": "0xBF/0x1B",
      "name": "New Spellbook Content",
      "description": "Sends spellbook contents using AOS format.",
      "direction": "outgoing",
      "isDynamic": false,
      "size": 23,
      "fields": [
        { "name": "packetId", "type": "byte", "size": 1, "value": "0xBF", "description": "Packet identifier" },
        { "name": "length", "type": "ushort", "size": 2, "value": "23", "description": "Packet length" },
        { "name": "subCommand", "type": "short", "size": 2, "value": "0x1B", "description": "Subcommand (New Spellbook Content)" },
        { "name": "command", "type": "short", "size": 2, "value": "0x01", "description": "Command (always 1)" },
        { "name": "bookSerial", "type": "uint", "size": 4, "description": "Serial of the spellbook" },
        { "name": "graphic", "type": "short", "size": 2, "description": "Spellbook graphic ID" },
        { "name": "offset", "type": "short", "size": 2, "description": "Spell offset (circle/school start)" },
        { "name": "spellBits", "type": "ulong", "size": 8, "description": "64-bit mask of known spells (Little Endian)" }
      ],
      "clientVersion": {
        "min": "5.0.0a",
        "feature": "NewSpellbook"
      },
      "notes": "Used when Core.AOS && ns.NewSpellbook. Otherwise, old 0x3C format is used.",
      "source": {
        "file": "Projects/Server/Network/Packets/OutgoingContainerPackets.cs",
        "line": 46
      }
    }
  ]
}