enemy_update.c File Reference

Core enemy update system. More...

#include <player.h>
#include <random.h>
#include <enemy.h>
#include <enemy_types.h>
#include <time_system.h>

Functions
void	Enemy_Update ()
	[PostUpdate] Updates all active enemies in the game.
void	Enemy_HandleSpawning (EnemyData *enemy)
	[Utility] Manages the spawning process for an enemy.
void	Enemy_HandleMovement (EnemyData *enemy)
	[Utility] Handles enemy movement physics and velocity calculations.
void	Enemy_TryMove (EnemyData *enemy, Vec2 movement)
	[Utility] Attempts to move the enemy by the given vector, checking for collisions.
void	Enemy_HandleDeath (EnemyData *enemy)
	[Utility] Handles the death of an enemy.

Detailed Description

Core enemy update system.

Manages updates for all active enemies, handling state changes, movement physics, collision detection, and AI activation.

Author

Mango

Date

2025-03-05

Function Documentation

Enemy_HandleDeath()

void Enemy_HandleDeath

(

EnemyData *

enemy

)

[Utility] Handles the death of an enemy.

Sets health to 0, marks as dead, and removes collision. Called when an enemy's health reaches zero or when they spawn inside another object.

Parameters

enemy

Pointer to the enemy that died

Enemy_HandleMovement()

void Enemy_HandleMovement

(

EnemyData *

enemy

)

[Utility] Handles enemy movement physics and velocity calculations.

Implements a complex movement system that decomposes velocity into forward and lateral components to apply different physics rules to each, then recombines them.

Parameters

enemy

Pointer to the enemy to move

Enemy_HandleSpawning()

void Enemy_HandleSpawning

(

EnemyData *

enemy

)

[Utility] Manages the spawning process for an enemy.

Handles the 1-second delay between the appearance of the [+] indicator and the enemy actually spawning. Also checks for collision at spawn point.

Parameters

enemy

Pointer to the enemy being spawned

Todo:

[enemy_update.c:62] Play spawn sfx here

Enemy_TryMove()

void Enemy_TryMove	(	EnemyData *	enemy,
		Vec2	movement
	)

[Utility] Attempts to move the enemy by the given vector, checking for collisions.

Tries to move an enemy to a new position but cancels the movement if a collision would occur with walls, the player, or other enemies.

Parameters

enemy	Pointer to the enemy to move
movement	Vector representing the attempted movement

Enemy_Update()

void Enemy_Update

(

)

[PostUpdate] Updates all active enemies in the game.

Main update loop for all enemies in the game. Skips dead enemies, handles special states like spawning, and processes movement and death conditions for each enemy.