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785 lines
22 KiB
Plaintext
785 lines
22 KiB
Plaintext
meta:
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id: wdb
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title: World Database File
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application: LEGO Island
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file-extension: wdb
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license: CC0-1.0
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endian: le
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doc: |
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World Database file format for LEGO Island (1997). Contains world geometry
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data including textures, parts (ROI definitions), and models with their
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transforms and LOD (Level of Detail) information.
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The file is located at `<install_path>/lego/data/world.wdb` on either
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the hard drive or CD-ROM.
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File structure:
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1. World headers - list of worlds with part/model references
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2. Global textures - shared texture data (read once)
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3. Global parts - shared part definitions (read once)
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4. Part data blobs - at offsets specified in headers
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5. Model data blobs - at offsets specified in headers
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seq:
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- id: num_worlds
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type: s4
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doc: Number of world entries in this file.
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- id: worlds
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type: world_entry
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repeat: expr
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repeat-expr: num_worlds
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doc: |
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World entries containing references to parts and models.
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Each world represents a distinct game area (e.g., "Act1", "Act2", "Act3").
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- id: global_textures_size
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type: u4
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doc: Size in bytes of the global textures block.
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- id: global_textures
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type: texture_list
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size: global_textures_size
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doc: |
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Global textures shared across all worlds. These are loaded once
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when the first world is loaded and cached for subsequent worlds.
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- id: global_parts_size
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type: u4
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doc: Size in bytes of the global parts block.
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- id: global_parts
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type: part_list
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size: global_parts_size
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doc: |
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Global parts (ROI definitions) shared across all worlds.
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Like textures, these are loaded once and cached.
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types:
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world_entry:
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doc: |
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A world entry containing references to parts and models.
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Parts define reusable geometry, while models are placed instances
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with specific transforms.
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seq:
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- id: name_length
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type: s4
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doc: Length of the world name in bytes.
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- id: name
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type: str
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size: name_length
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encoding: ASCII
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doc: |
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World name used to identify this world (e.g., "Act1", "Act2", "Act3").
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- id: num_parts
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type: s4
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doc: Number of part references in this world.
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- id: parts
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type: part_reference
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repeat: expr
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repeat-expr: num_parts
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doc: References to part data stored elsewhere in the file.
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- id: num_models
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type: s4
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doc: Number of model entries in this world.
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- id: models
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type: model_entry
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repeat: expr
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repeat-expr: num_models
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doc: |
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Model entries with transform data. Each model references
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geometry and specifies its position, orientation, and visibility.
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part_reference:
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doc: |
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Reference to part data stored at an offset in the file.
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The actual part data contains ROI definitions with textures and LODs.
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seq:
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- id: name_length
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type: u4
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doc: Length of the ROI name in bytes.
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- id: name
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type: str
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size: name_length
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encoding: ASCII
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doc: ROI (Realtime Object Instance) name identifying this part.
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- id: data_length
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type: u4
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doc: Length of the part data in bytes.
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- id: data_offset
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type: u4
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doc: Absolute file offset to the part data.
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instances:
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data:
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io: _root._io
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pos: data_offset
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size: data_length
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type: part_data
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doc: The actual part data at the specified offset.
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model_entry:
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doc: |
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A model entry defining a placed instance in the world.
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Contains transform data (location, direction, up vector) and
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a reference to the model geometry.
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seq:
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- id: name_length
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type: u4
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doc: Length of the model name in bytes.
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- id: name
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type: str
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size: name_length
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encoding: ASCII
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doc: |
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Model name. Names starting with "isle" have quality variants
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(isle_lo, isle, isle_hi). Names starting with "haus" have
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special loading rules.
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- id: data_length
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type: u4
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doc: Length of the model data in bytes.
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- id: data_offset
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type: u4
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doc: Absolute file offset to the model data.
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- id: presenter_name_length
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type: u4
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doc: Length of the presenter class name in bytes.
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- id: presenter_name
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type: str
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size: presenter_name_length
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encoding: ASCII
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doc: |
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Presenter class name determining how the model is created.
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Common values: "LegoActorPresenter", "LegoEntityPresenter".
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- id: location
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type: vertex3
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doc: World position of the model (X, Y, Z).
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- id: direction
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type: vertex3
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doc: Forward direction vector of the model.
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- id: up
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type: vertex3
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doc: Up direction vector of the model.
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- id: visible
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type: u1
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doc: Visibility flag. Non-zero means the model is initially visible.
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instances:
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data:
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io: _root._io
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pos: data_offset
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size: data_length
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type: model_data
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doc: The model data (textures, animation, ROI) at the specified offset.
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texture_list:
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doc: |
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A list of named textures. Each texture includes palette and pixel data.
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seq:
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- id: num_textures
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type: u4
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doc: Number of textures in this list.
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- id: textures
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type: named_texture
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repeat: expr
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repeat-expr: num_textures
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doc: Array of named textures.
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named_texture:
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doc: |
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A named texture with 8-bit indexed color image data.
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seq:
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- id: name_length
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type: u4
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doc: Length of the texture name in bytes.
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- id: name
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type: str
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size: name_length
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encoding: ASCII
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doc: Texture name used for lookup.
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- id: image
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type: image
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doc: The texture image data.
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image:
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doc: |
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An 8-bit indexed color image with palette.
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seq:
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- id: width
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type: u4
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doc: Image width in pixels.
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- id: height
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type: u4
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doc: Image height in pixels.
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- id: palette_size
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type: u4
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doc: Number of entries in the color palette (max 256).
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- id: palette
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type: palette_entry
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repeat: expr
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repeat-expr: palette_size
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doc: Color palette entries.
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- id: pixels
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size: width * height
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doc: |
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Pixel data as palette indices. Each byte is an index into
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the palette array.
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palette_entry:
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doc: RGB color palette entry.
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seq:
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- id: red
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type: u1
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doc: Red component (0-255).
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- id: green
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type: u1
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doc: Green component (0-255).
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- id: blue
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type: u1
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doc: Blue component (0-255).
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part_list:
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doc: |
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A list of named parts (ROI definitions). Parts can be shared
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across multiple models and worlds.
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seq:
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- id: texture_info_offset
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type: u4
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doc: Offset within this block to texture information.
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- id: num_rois
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type: u4
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doc: Number of ROI definitions.
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- id: rois
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type: named_part
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repeat: expr
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repeat-expr: num_rois
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doc: Array of named part definitions.
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named_part:
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doc: |
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A named part containing LOD (Level of Detail) definitions.
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seq:
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- id: name_length
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type: u4
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doc: Length of the ROI name in bytes.
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- id: name
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type: str
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size: name_length
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encoding: ASCII
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doc: ROI name for lookup.
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- id: num_lods
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type: u4
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doc: Number of LOD levels for this part.
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- id: next_roi_offset
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type: u4
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doc: Offset to the next ROI definition (for skipping LOD data).
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- id: lods
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type: lod
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repeat: expr
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repeat-expr: num_lods
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doc: LOD definitions from highest to lowest detail.
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part_data:
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doc: |
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Part data blob containing textures and ROI definitions.
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This is the format used for part data at offsets in the file.
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seq:
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- id: texture_info_offset
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type: u4
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doc: Offset within this block to texture information.
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- id: num_rois
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type: u4
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doc: Number of ROI definitions in this part.
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- id: rois
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type: named_part
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repeat: expr
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repeat-expr: num_rois
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doc: ROI definitions for this part.
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model_data:
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doc: |
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Model data blob containing version info, textures, animation data,
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and ROI hierarchy. This is the format used for model data at offsets.
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Parsed by LegoModelPresenter::CreateROI.
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seq:
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- id: version
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type: u4
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doc: Format version. Must be 19 (MODEL_VERSION).
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- id: texture_info_offset
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type: u4
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doc: Offset within this blob to texture information.
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- id: num_rois
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type: u4
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doc: Number of ROIs (typically 1 for models).
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- id: anim
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type: model_anim
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doc: Animation data for this model.
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- id: roi
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type: roi
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doc: The root ROI containing the model geometry.
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model_anim:
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doc: |
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Animation data embedded in model data. This is a simplified form
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of LegoAnim without camera/scene animation (p_parseScene=FALSE).
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seq:
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- id: num_actors
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type: u4
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doc: Number of actor entries.
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- id: actors
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type: anim_actor_entry
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repeat: expr
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repeat-expr: num_actors
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doc: Actor entries for this animation.
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- id: duration
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type: s4
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doc: Animation duration in milliseconds.
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- id: root_node
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type: anim_tree_node
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doc: Root node of the animation tree.
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anim_actor_entry:
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doc: |
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An actor reference in the animation. The name identifies which ROI
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(Realtime Object Instance) to animate, and the type determines
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how the actor is managed by the character manager.
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seq:
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- id: name_length
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type: u4
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doc: Length of the actor name in bytes.
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- id: name
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type: str
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size: name_length
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encoding: ASCII
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if: name_length > 0
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doc: Actor name used to look up the ROI in the scene.
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- id: actor_type
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type: u4
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enum: actor_type
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if: name_length > 0
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doc: |
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Determines how the actor ROI is created and managed.
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See actor_type enum for possible values.
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anim_tree_node:
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doc: Node in the animation tree hierarchy.
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seq:
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- id: data
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type: anim_node_data
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doc: Animation keyframe data for this node.
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- id: num_children
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type: u4
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doc: Number of child nodes.
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- id: children
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type: anim_tree_node
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repeat: expr
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repeat-expr: num_children
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doc: Child nodes.
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anim_node_data:
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doc: Animation keyframe data for a single node.
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seq:
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- id: name_length
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type: u4
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doc: Length of node name.
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- id: name
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type: str
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size: name_length
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encoding: ASCII
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if: name_length > 0
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doc: Node name for matching to ROI.
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- id: num_translation_keys
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type: u2
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doc: Number of translation keyframes.
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- id: translation_keys
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type: translation_key
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repeat: expr
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repeat-expr: num_translation_keys
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doc: Translation keyframes.
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- id: num_rotation_keys
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type: u2
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doc: Number of rotation keyframes.
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- id: rotation_keys
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type: rotation_key
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repeat: expr
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repeat-expr: num_rotation_keys
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doc: Rotation keyframes (quaternion format).
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- id: num_scale_keys
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type: u2
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doc: Number of scale keyframes.
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- id: scale_keys
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type: scale_key
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repeat: expr
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repeat-expr: num_scale_keys
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doc: Scale keyframes.
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- id: num_morph_keys
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type: u2
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doc: Number of morph (visibility) keyframes.
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- id: morph_keys
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type: morph_key
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repeat: expr
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repeat-expr: num_morph_keys
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doc: Morph keyframes.
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anim_key:
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doc: |
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Base animation key containing time and flags. The time and flags
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are packed into a single 32-bit value: bits 0-23 contain the time
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in milliseconds, and bits 24-31 contain flags.
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seq:
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- id: time_and_flags
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type: s4
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doc: |
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Packed time and flags value.
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- Bits 0-23: Time in milliseconds (mask with 0xFFFFFF)
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- Bits 24-31: Flags (shift right by 24)
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instances:
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time:
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value: time_and_flags & 0xFFFFFF
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doc: Keyframe time in milliseconds.
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flags:
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value: (time_and_flags >> 24) & 0xFF
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doc: |
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Keyframe flags:
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- 0x01 (active): Key has meaningful data
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- 0x02 (negate_rotation): Negate quaternion for interpolation
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- 0x04 (skip_interpolation): Use this key's value without blending
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translation_key:
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doc: |
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Translation keyframe containing position offset (LegoTranslationKey).
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The translation is applied relative to the parent node's transform.
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seq:
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- id: key
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type: anim_key
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doc: Base key with time and flags.
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- id: x
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type: f4
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doc: X component of translation.
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- id: y
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type: f4
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doc: Y component of translation.
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- id: z
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type: f4
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doc: Z component of translation.
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rotation_key:
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doc: |
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Rotation keyframe containing a quaternion (LegoRotationKey).
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The quaternion is stored as (angle, x, y, z) where angle is the
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scalar/w component and (x, y, z) is the vector part.
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seq:
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- id: key
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type: anim_key
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doc: Base key with time and flags.
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- id: angle
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type: f4
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doc: |
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Quaternion scalar component (w). A value of 1.0 with x=y=z=0
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represents no rotation (identity quaternion).
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- id: x
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type: f4
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doc: Quaternion x component.
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- id: y
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type: f4
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doc: Quaternion y component.
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- id: z
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type: f4
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doc: Quaternion z component.
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scale_key:
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doc: |
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Scale keyframe containing scale factors (LegoScaleKey).
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Scale is applied relative to the local origin of the node.
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seq:
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- id: key
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type: anim_key
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doc: Base key with time and flags.
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- id: x
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type: f4
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doc: X scale factor (1.0 = no scaling).
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- id: y
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type: f4
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doc: Y scale factor (1.0 = no scaling).
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- id: z
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type: f4
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doc: Z scale factor (1.0 = no scaling).
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morph_key:
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doc: |
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Morph/visibility keyframe (LegoMorphKey). Controls whether the
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node's ROI is visible at a given time.
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seq:
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- id: key
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type: anim_key
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doc: Base key with time and flags.
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- id: visible
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type: u1
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doc: Visibility flag. Non-zero means visible.
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roi:
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doc: |
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ROI (Realtime Object Instance) defining a piece of geometry.
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ROIs form a hierarchy with parent-child relationships.
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seq:
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- id: name_length
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type: u4
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doc: Length of the ROI name in bytes.
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- id: name
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type: str
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size: name_length
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encoding: ASCII
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doc: ROI name used for lookup and animation binding.
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- id: bounding_sphere
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type: sphere
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doc: Bounding sphere for visibility culling.
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- id: bounding_box
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type: box
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doc: Axis-aligned bounding box.
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- id: texture_name_length
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type: u4
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doc: Length of texture/material name (0 if none).
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- id: texture_name
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type: str
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size: texture_name_length
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encoding: ASCII
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if: texture_name_length > 0
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doc: |
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Texture or material name. Names starting with "t_" reference
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textures; other names are color aliases (e.g., "lego red").
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- id: shared_lod_list
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type: u1
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doc: |
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If non-zero, LODs are shared with another ROI and not stored here.
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The ROI name (minus trailing digits) is used to look up shared LODs.
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- id: num_lods
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type: u4
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if: shared_lod_list == 0
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doc: Number of LOD levels (only if not using shared LODs).
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- id: next_roi_offset
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type: u4
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if: shared_lod_list == 0 and num_lods > 0
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doc: Offset to continue reading after LOD data.
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- id: lods
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type: lod
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repeat: expr
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repeat-expr: num_lods
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if: shared_lod_list == 0 and num_lods > 0
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doc: LOD definitions from highest to lowest detail.
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- id: num_children
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type: u4
|
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doc: Number of child ROIs in this hierarchy.
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- id: children
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type: roi
|
|
repeat: expr
|
|
repeat-expr: num_children
|
|
doc: Child ROIs forming a hierarchy.
|
|
|
|
sphere:
|
|
doc: Bounding sphere defined by center point and radius.
|
|
seq:
|
|
- id: center
|
|
type: vertex3
|
|
doc: Center point of the sphere.
|
|
- id: radius
|
|
type: f4
|
|
doc: Radius of the sphere.
|
|
|
|
box:
|
|
doc: Axis-aligned bounding box defined by min and max corners.
|
|
seq:
|
|
- id: min
|
|
type: vertex3
|
|
doc: Minimum corner (smallest X, Y, Z values).
|
|
- id: max
|
|
type: vertex3
|
|
doc: Maximum corner (largest X, Y, Z values).
|
|
|
|
vertex3:
|
|
doc: A 3D point or vector with X, Y, Z components.
|
|
seq:
|
|
- id: x
|
|
type: f4
|
|
doc: X component.
|
|
- id: y
|
|
type: f4
|
|
doc: Y component.
|
|
- id: z
|
|
type: f4
|
|
doc: Z component.
|
|
|
|
lod:
|
|
doc: |
|
|
Level of Detail definition containing mesh data.
|
|
LODs are ordered from highest to lowest detail.
|
|
seq:
|
|
- id: flags
|
|
type: u4
|
|
doc: |
|
|
LOD flags. Bit 0 (0x01) indicates this is an "extra" LOD.
|
|
Other bits control visibility and rendering behavior.
|
|
- id: num_meshes
|
|
type: u4
|
|
doc: Number of meshes in this LOD.
|
|
- id: vertex_normal_counts
|
|
type: u4
|
|
if: num_meshes > 0
|
|
doc: |
|
|
Packed vertex and normal counts.
|
|
Lower 16 bits: vertex count
|
|
Upper 15 bits (shifted right by 1): normal count
|
|
- id: num_texture_vertices
|
|
type: s4
|
|
if: num_meshes > 0
|
|
doc: Number of texture coordinate pairs.
|
|
- id: vertices
|
|
type: vertex3
|
|
repeat: expr
|
|
repeat-expr: vertex_count
|
|
if: num_meshes > 0 and vertex_count > 0
|
|
doc: Vertex positions shared across meshes.
|
|
- id: normals
|
|
type: vertex3
|
|
repeat: expr
|
|
repeat-expr: normal_count
|
|
if: num_meshes > 0 and normal_count > 0
|
|
doc: Normal vectors shared across meshes.
|
|
- id: texture_vertices
|
|
type: texture_vertex
|
|
repeat: expr
|
|
repeat-expr: num_texture_vertices
|
|
if: num_meshes > 0 and num_texture_vertices > 0
|
|
doc: Texture coordinates (UV pairs).
|
|
- id: meshes
|
|
type: mesh
|
|
repeat: expr
|
|
repeat-expr: num_meshes
|
|
if: num_meshes > 0
|
|
doc: Mesh definitions using the shared vertex/normal/UV data.
|
|
instances:
|
|
vertex_count:
|
|
value: '(num_meshes > 0) ? (vertex_normal_counts & 0xFFFF) : 0'
|
|
doc: Number of vertices (lower 16 bits of packed value).
|
|
normal_count:
|
|
value: '(num_meshes > 0) ? ((vertex_normal_counts >> 17) & 0x7FFF) : 0'
|
|
doc: Number of normals (upper 15 bits, shifted right by 1).
|
|
|
|
texture_vertex:
|
|
doc: Texture coordinate pair (UV).
|
|
seq:
|
|
- id: u
|
|
type: f4
|
|
doc: U coordinate (horizontal, 0.0-1.0).
|
|
- id: v
|
|
type: f4
|
|
doc: V coordinate (vertical, 0.0-1.0).
|
|
|
|
mesh:
|
|
doc: |
|
|
A mesh within an LOD, containing polygons and material properties.
|
|
seq:
|
|
- id: num_polygons
|
|
type: u2
|
|
doc: Number of triangular polygons.
|
|
- id: num_vertices
|
|
type: u2
|
|
doc: Number of vertices used by this mesh.
|
|
- id: polygon_indices
|
|
type: polygon_indices
|
|
repeat: expr
|
|
repeat-expr: num_polygons
|
|
doc: Vertex indices for each triangle.
|
|
- id: num_texture_indices
|
|
type: u4
|
|
doc: Number of texture index sets (0 if untextured).
|
|
- id: texture_indices
|
|
type: polygon_indices
|
|
repeat: expr
|
|
repeat-expr: num_polygons
|
|
if: num_texture_indices > 0
|
|
doc: Texture coordinate indices for each triangle.
|
|
- id: properties
|
|
type: mesh_properties
|
|
doc: Material and rendering properties.
|
|
|
|
polygon_indices:
|
|
doc: |
|
|
Three vertex/normal index pairs forming a triangle. Each 32-bit value
|
|
is a packed index used by Direct3D Retained Mode, containing both
|
|
vertex and normal indices.
|
|
seq:
|
|
- id: a
|
|
type: u4
|
|
doc: First packed vertex/normal index.
|
|
- id: b
|
|
type: u4
|
|
doc: Second packed vertex/normal index.
|
|
- id: c
|
|
type: u4
|
|
doc: Third packed vertex/normal index.
|
|
|
|
mesh_properties:
|
|
doc: |
|
|
Material and rendering properties for a mesh.
|
|
seq:
|
|
- id: color
|
|
type: color_rgb
|
|
doc: Base color of the mesh.
|
|
- id: alpha
|
|
type: f4
|
|
doc: Transparency (0.0 = fully transparent, 1.0 = opaque).
|
|
- id: shading
|
|
type: u1
|
|
enum: shading_mode
|
|
doc: Shading mode for rendering this mesh.
|
|
- id: unknown_0x0d
|
|
type: u1
|
|
doc: Unknown flag. When > 0, special material is applied.
|
|
- id: unknown_0x20
|
|
type: u1
|
|
doc: Unknown field.
|
|
- id: use_alias
|
|
type: u1
|
|
doc: |
|
|
If non-zero, texture_name and material_name are looked up
|
|
as aliases rather than literal names.
|
|
- id: texture_name_length
|
|
type: u4
|
|
doc: Length of texture name (0 if no texture).
|
|
- id: texture_name
|
|
type: str
|
|
size: texture_name_length
|
|
encoding: ASCII
|
|
if: texture_name_length > 0
|
|
doc: Texture name for this mesh.
|
|
- id: material_name_length
|
|
type: u4
|
|
doc: Length of material/color name (0 if none).
|
|
- id: material_name
|
|
type: str
|
|
size: material_name_length
|
|
encoding: ASCII
|
|
if: material_name_length > 0
|
|
doc: |
|
|
Material or color alias name (e.g., "lego red", "lego blue").
|
|
|
|
color_rgb:
|
|
doc: RGB color with 8-bit components.
|
|
seq:
|
|
- id: red
|
|
type: u1
|
|
doc: Red component (0-255).
|
|
- id: green
|
|
type: u1
|
|
doc: Green component (0-255).
|
|
- id: blue
|
|
type: u1
|
|
doc: Blue component (0-255).
|
|
|
|
enums:
|
|
shading_mode:
|
|
0: flat
|
|
1: gouraud
|
|
2: wireframe
|
|
|
|
actor_type:
|
|
2: managed_lego_actor
|
|
3: managed_invisible_roi_trimmed
|
|
4: managed_invisible_roi
|
|
5: scene_roi_1
|
|
6: scene_roi_2
|