42 lines
1.5 KiB
Markdown
42 lines
1.5 KiB
Markdown
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# dbHeightMapHandler Documentation
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## Overview
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This document describes the database relationships and interactions for the `dbHeightMapHandler` class. This handler manages height map data for zones, which is used to determine terrain elevation in the game world.
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## Handler Class
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**File:** `src/engine/db/handlers/dbHeightMapHandler.java`
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**Class:** `dbHeightMapHandler`
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**Extends:** `dbHandlerBase`
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## Database Tables
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### Main Height Map Table
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- **Table Name:** `static_zone_heightmap`
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- **Description:** Stores raw height map data for zones, representing terrain elevation information
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- **Columns:**
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- zoneLoadID (Primary Key)
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- heightMapData
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- width
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- height
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## Key Queries
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### Get Height Map by Zone Load ID
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```sql
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SELECT * FROM static_zone_heightmap WHERE `zoneLoadID` = ?
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```
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**File:** `dbHeightMapHandler.java`, Line ~25
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## Relationships
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1. **Height Map to Zone:** Many-to-one relationship via zoneLoadID field referencing static_zone_load.zoneLoadID
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## Java Field to Database Column Mappings
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| Java Field | Database Column | Notes |
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|------------|-----------------|-------|
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| `zoneLoadID` | `static_zone_heightmap.zoneLoadID` | Unique identifier for the zone |
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| `heightMapData` | `static_zone_heightmap.heightMapData` | Raw height map data for terrain elevation |
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| `width` | `static_zone_size.width` | Width dimension of the zone |
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| `height` | `static_zone_size.height` | Height dimension of the zone |
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| `other fields...` | Various columns | Other properties related to height maps |
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