# dbHeightMapHandler Documentation

## Overview
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.

## Handler Class
**File:** `src/engine/db/handlers/dbHeightMapHandler.java`
**Class:** `dbHeightMapHandler`
**Extends:** `dbHandlerBase`

## Database Tables

### Main Height Map Table
- **Table Name:** `static_zone_heightmap`
- **Description:** Stores raw height map data for zones, representing terrain elevation information
- **Columns:** 
  - zoneLoadID (Primary Key)
  - heightMapData
  - width
  - height

## Key Queries

### Get Height Map by Zone Load ID
```sql
SELECT * FROM static_zone_heightmap WHERE `zoneLoadID` = ?
```
**File:** `dbHeightMapHandler.java`, Line ~25

## Relationships

1. **Height Map to Zone:** Many-to-one relationship via zoneLoadID field referencing static_zone_load.zoneLoadID

## Java Field to Database Column Mappings

| Java Field | Database Column | Notes |
|------------|-----------------|-------|
| `zoneLoadID` | `static_zone_heightmap.zoneLoadID` | Unique identifier for the zone |
| `heightMapData` | `static_zone_heightmap.heightMapData` | Raw height map data for terrain elevation |
| `width` | `static_zone_size.width` | Width dimension of the zone |
| `height` | `static_zone_size.height` | Height dimension of the zone |
| `other fields...` | Various columns | Other properties related to height maps |