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This commit significantly enhances the `README.md` file, providing comprehensive documentation for the ArmaDragonflyClient. Key changes: * **Detailed Function Categories:** Categorized functions for better organization (Core, Basic Data Operations, Hash Operations, List Operations). * **Usage Examples:** Added clear and concise usage examples for basic operations, hash operations (context and ID-specific), and list operations. * **Function Documentation Structure:** Outlined the structure for individual function documentation. * **License Information:** Updated the license information.
72 lines
3.3 KiB
Markdown
72 lines
3.3 KiB
Markdown
---
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title: ArmaDragonflyClient - Hash Get ID
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icon: mdi:file-text-outline
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excerpt: Get the value associated with field in hash stored at key from DragonflyClient.
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---
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# dragonfly_db_fnc_hashGetId
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## Description
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Retrieves the value of a specific field from a hash table identified by its key. This function allows targeted access to individual fields within a specific hash table, making it ideal for accessing particular attributes of player or entity data. The retrieved data is returned through a callback function.
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## Syntax
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```sqf
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[_key, _keyField, _function, _call, _netId] call dragonfly_db_fnc_hashGetId
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```
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## Parameters
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| Parameter | Type | Description | Default |
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|-------------|---------|------------------------------------------------------------|---------|
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| `_key` | String | Identifier of the hash table | "" |
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| `_keyField` | String | Name of the field in the hash to retrieve | "" |
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| `_function` | String | Name of the function to receive the retrieved data | "" |
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| `_call` | Boolean | Whether to call the function directly (true) or spawn (false) | false |
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| `_netId` | String | (Optional) NetID of the player to receive the data | "" |
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## Return Value
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None. The retrieved data is passed to the specified callback function asynchronously.
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## Examples
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### Retrieve a player's loadout field:
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```sqf
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[getPlayerUID player, "loadout", "dragonfly_db_fnc_test"] call dragonfly_db_fnc_hashGetId;
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```
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### Retrieve a specific vehicle property with synchronous callback:
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```sqf
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["vehicle_123", "fuel", "dragonfly_db_fnc_processFuelData", true] call dragonfly_db_fnc_hashGetId;
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```
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### Retrieve data and send it to a specific client:
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```sqf
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[getPlayerUID player, "stats", "dragonfly_db_fnc_test", false, netId player] remoteExecCall ["dragonfly_db_fnc_hashGetId", 2, false];
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```
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## Notes
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- Retrieves a single field value from a specific hash table
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- All three primary parameters (key, keyField, and function) are required and validated
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- The data is retrieved asynchronously through the extension's callback system
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- When a netId is provided, the data is sent to that specific client
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- The `_call` parameter determines whether the function is called directly (synchronous) or spawned (asynchronous)
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- This function targets both a specific hash table (`_key`) and a specific field (`_keyField`)
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- More efficient than retrieving all hash fields when only one is needed
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- Player UIDs are commonly used as keys to store player-specific data
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- All operations are logged for debugging purposes
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## Related Functions
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- `dragonfly_db_fnc_hashGet`: Retrieves a field value from the global hash table
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- `dragonfly_db_fnc_hashGetAllId`: Retrieves all fields from a specific hash table
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- `dragonfly_db_fnc_hashGetAll`: Retrieves all fields from the global hash table
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- `dragonfly_db_fnc_hashSetId`: Sets a field value in a specific hash table
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- `dragonfly_db_fnc_scheduler`: Processes the callback from the database extension
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## Links
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[Hash Get](hashGet.md) |
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[Hash Get All](hashGetAll.md) |
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[Hash Get All ID](hashGetAllId.md) |
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[Hash Get ID](hashGetId.md) |
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[Hash Set](hashSet.md) |
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[Hash Set Bulk](hashSetBulk.md) |
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[Hash Set ID](hashSetId.md) |
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[Hash Set ID Bulk](hashSetIdBulk.md) |