Difference between revisions of "DataNode"
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!Description | !Description | ||
|- | |- | ||
| | |kDataInteger | ||
|0x0 | |0x0 | ||
|An integer value. | |An integer value. | ||
|- | |- | ||
| | |kDataFloat | ||
|0x1 | |0x1 | ||
|A 32-bit floating point value. | |A 32-bit floating point value. | ||
|- | |- | ||
| | |kDataVar | ||
|0x2 | |0x2 | ||
|A generic variable. Prefixed by <code>$</code> in DTA. | |A generic variable. Prefixed by <code>$</code> in DTA. | ||
|- | |- | ||
| | |kDataFunc | ||
|0x3 | |0x3 | ||
|A function declaration. | |A function declaration. | ||
|- | |- | ||
| | |kDataObject(?) | ||
|0x4 | |0x4 | ||
|A pointer to some sort of object. | |A pointer to some sort of object. | ||
|- | |- | ||
| | |kDataSymbol | ||
|0x5 | |0x5 | ||
|A pointer to a [[Symbol]]. | |A pointer to a [[Symbol]]. | ||
|- | |- | ||
| | |kDataUnhandled | ||
|0x6 | |0x6 | ||
|No value | |No value. | ||
|- | |- | ||
| | |kDataIfdef | ||
|0x7 | |0x7 | ||
|A conditional checking for the existence of a global macro (such as _SHIP). | |A conditional checking for the existence of a global macro (such as _SHIP). | ||
|- | |- | ||
| | |kDataElse | ||
|0x8 | |0x8 | ||
|The 'else' conditional. | |The 'else' conditional. | ||
|- | |- | ||
| | |kDataEndif | ||
|0x9 | |0x9 | ||
|The 'endif' conditional. | |The 'endif' conditional. | ||
|- | |- | ||
| | |kDataArray | ||
|0x10 | |0x10 | ||
|A pointer to a [[DataArray]]. Denoted by <code>()</code> in DTA. | |A pointer to a [[DataArray]]. Denoted by <code>()</code> in DTA. | ||
|- | |- | ||
| | |kDataCommand | ||
|0x11 | |0x11 | ||
|Executable statements/DataFunc calls. Denoted by <code>{}</code> in DTA. | |Executable statements/DataFunc calls. Denoted by <code>{}</code> in DTA. | ||
|- | |- | ||
| | |kDataString | ||
|0x12 | |0x12 | ||
|A string value. Usually delimited by single or double quotes in DTA. | |A string value. Usually delimited by single or double quotes in DTA. | ||
|- | |- | ||
| | |kDataProperty | ||
|0x13 | |0x13 | ||
|A pointer to the property of an object. Denoted by <code>[]</code> in DTA. | |A pointer to the property of an object. Denoted by <code>[]</code> in DTA. | ||
|- | |- | ||
| | |kDataGlob | ||
|0x14 | |0x14 | ||
|Unknown. | |Unknown. | ||
|- | |- | ||
| | |kDataDefine | ||
|0x20 | |0x20 | ||
|A Macro definition. | |A Macro definition. | ||
|- | |- | ||
| | |kDataInclude | ||
|0x21 | |0x21 | ||
|A marker indicating that another DTA/DTB should be included in the current file. | |A marker indicating that another DTA/DTB should be included in the current file. | ||
|- | |- | ||
| | |kDataMerge | ||
|0x22 | |0x22 | ||
|A marker indicating that another DTA/DTB should be merged into the current file. | |A marker indicating that another DTA/DTB should be merged into the current file. | ||
|- | |- | ||
| | |kDataIfndef | ||
|0x23 | |0x23 | ||
|A conditional checking for the non-existence of a global macro (such as _SHIP). | |A conditional checking for the non-existence of a global macro (such as _SHIP). | ||
|- | |- | ||
| | |kDataAutorun | ||
|0x24 | |0x24 | ||
|Unknown. | |Unknown. | ||
|- | |- | ||
| | |kDataUndef | ||
|0x25 | |0x25 | ||
|Undefined value. | |Undefined value. | ||
|} | |} | ||
Revision as of 20:10, 15 April 2022
An object used internally by the Milo engine to represent a value of some type. Arrays of DataNodes are called DataArrays. In a DTB file, the type is explicitly stored, but in DTA files, it is guessed based on the syntax and keywords.
Structure
| Name | Size | Function |
|---|---|---|
| Value | 4 bytes | The value of the DataNode. |
| Type | 4 bytes | The type of the DataNode. |
Types
Each Milo game supports a different set of types for a DataNode. The amount of types gradually increased as Milo's scripting engine became more capable over the years.
Rock Band 3
| Type Name | Value | Description |
|---|---|---|
| kDataInteger | 0x0 | An integer value. |
| kDataFloat | 0x1 | A 32-bit floating point value. |
| kDataVar | 0x2 | A generic variable. Prefixed by $ in DTA.
|
| kDataFunc | 0x3 | A function declaration. |
| kDataObject(?) | 0x4 | A pointer to some sort of object. |
| kDataSymbol | 0x5 | A pointer to a Symbol. |
| kDataUnhandled | 0x6 | No value. |
| kDataIfdef | 0x7 | A conditional checking for the existence of a global macro (such as _SHIP). |
| kDataElse | 0x8 | The 'else' conditional. |
| kDataEndif | 0x9 | The 'endif' conditional. |
| kDataArray | 0x10 | A pointer to a DataArray. Denoted by () in DTA.
|
| kDataCommand | 0x11 | Executable statements/DataFunc calls. Denoted by {} in DTA.
|
| kDataString | 0x12 | A string value. Usually delimited by single or double quotes in DTA. |
| kDataProperty | 0x13 | A pointer to the property of an object. Denoted by [] in DTA.
|
| kDataGlob | 0x14 | Unknown. |
| kDataDefine | 0x20 | A Macro definition. |
| kDataInclude | 0x21 | A marker indicating that another DTA/DTB should be included in the current file. |
| kDataMerge | 0x22 | A marker indicating that another DTA/DTB should be merged into the current file. |
| kDataIfndef | 0x23 | A conditional checking for the non-existence of a global macro (such as _SHIP). |
| kDataAutorun | 0x24 | Unknown. |
| kDataUndef | 0x25 | Undefined value. |