meta:
  id: logicworld_blotter_file_format_v7
  file-extension: partialworld
  title: Blotter File Format - v7
  endian: le

seq:
  - id: magic
    contents: 'Logic World save'
  - id: save_format_version
    type: u1
  - id: game_version
    type: version
  - id: save_type
    type: u1
    enum: save_type
  - id: number_of_components
    type: s4
  - id: number_of_wires
    type: s4
  - id: number_of_mods
    type: s4
  - id: mods
    type: mod_version
    repeat: expr
    repeat-expr: number_of_mods
  - id: number_of_component_ids
    type: s4
  - id: component_id_map
    type: component_id_map
    repeat: expr
    repeat-expr: number_of_component_ids
  - id: components
    type: component
    repeat: expr
    repeat-expr: number_of_components
  - id: wires
    type: wire
    repeat: expr
    repeat-expr: number_of_wires
  - id: circuit_states
    type:
      switch-on: save_type
      cases:
        'save_type::world': world_circuit_states
        'save_type::subassembly': subassembly_circuit_states
  - id: trailer
    contents: 'redstone sux lol'
    
types:
  version:
    seq:
      - id: major
        type: s4
      - id: minor
        type: s4
      - id: build
        type: s4
      - id: revision
        type: s4
  string:
    seq:
      - id: length
        type: s4
      - id: text
        type: str
        size: length
        encoding: UTF-8
  peg_address:
    seq:
      - id: type
        type: u1
        enum: peg_type
      - id: component_address
        type: u4
      - id: index
        type: s4
  mod_version:
    seq:
      - id: mod_id
        type: string
      - id: mod_version
        type: version
  position:
    seq:
      - id: x
        type: s4
      - id: y
        type: s4
      - id: z
        type: s4
  rotation:
    seq:
      - id: x
        type: f4
      - id: y
        type: f4
      - id: z
        type: f4
      - id: w
        type: f4
  input:
    seq:
      - id: circuit_state_id
        type: s4
  output:
    seq:
      - id: circuit_state_id
        type: s4
  custom_data:
    seq:
      - id: length
        type: s4
      - id: data
        size: (length == -1 ? 0 : length)
  component_id_map:
    seq:
      - id: numeric_id
        type: u2
      - id: text_id
        type: string
  component:
    seq:
      - id: address
        type: u4
      - id: parent
        type: u4
      - id: numeric_id
        type: u2
      - id: position
        type: position
      - id: rotation
        type: rotation
      - id: number_of_inputs
        type: s4
      - id: inputs
        type: input
        repeat: expr
        repeat-expr: number_of_inputs
      - id: number_of_outputs
        type: s4
      - id: outputs
        type: output
        repeat: expr
        repeat-expr: number_of_outputs
      - id: custom_data
        type: custom_data
  wire:
    seq:
      - id: first_point
        type: peg_address
      - id: second_point
        type: peg_address
      - id: circuit_state_id
        type: s4
      - id: wire_rotation
        type: f4
  world_circuit_states:
    seq:
      - id: number_of_bytes
        type: s4
      - id: states
        size: number_of_bytes
  subassembly_circuit_states:
    seq:
      - id: number_of_states
        type: s4
      - id: states
        type: s4
        repeat: expr
        repeat-expr: number_of_states
      
enums:
  peg_type:
    0: undefined
    1: input_peg
    2: putput_peg
  save_type:
    0: unknown
    1: world
    2: subassembly