lakebane/src/engine/documentation/Handler Specific Documentation/dbHeightMapHandler_Documentation.md

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

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