Module spawn_system 

Spawn system — wave-based enemy spawning with zones, patterns, and blueprints.

WaveManager drives timed waves of entity spawns defined by SpawnWave. Each wave contains one or more SpawnGroups that describe how many entities to spawn, in what pattern, from what zone, and at what rate.

Structs

BlueprintLibrary

Registry of named entity blueprints.

EntityBlueprint

Defines a type of entity to spawn.

SpawnEvent

Emitted by the spawn system for the game to process.

SpawnGroup

One group within a wave: blueprint × count at a zone.

SpawnWave

A complete wave: one or more groups, activation conditions, completion rewards.

WaveManager

Manages a sequence of spawn waves.

Enums

SpawnPattern

How multiple entities in a group are arranged.

SpawnZone

Defines where entities can spawn.