feat: enemy now looks at player when hit

game/src/Enemy.c

@@ -1,9 +1,11 @@
 #include "Enemy.h"
 #include "debug.h"
 #include "Messages.h"
+#include "DamageEvent.h"
 #include "game_world.h"
 #include "physics.h"
 #include "physics_world.h"
+#include "sprite.h"
 
 Enemy* MakeEnemy() {
     Enemy* self = malloc(sizeof(Enemy));
@@ -15,6 +17,7 @@ Enemy* MakeEnemy() {
         .collider = NULL,
         .sprite = sprite_new_empty(),
         .hurt = 0,
+        .facing = 1,
         .idleAnim = NULL,
         .walkAnim = NULL,
         .hurtAnim = NULL,
@@ -37,7 +40,7 @@ Enemy* MakeEnemy() {
 Enemy* SpawnEnemy(Vector location, const State* entryState) {
     Enemy* self = MakeEnemy();
     self->behaviour = state_machine_init(self, entryState);
-    self->transform.position = location;
+    rigidbody_get_transform(self->rigidbody)->position = location;
     game_world_add_entity(Enemy_as_BehaviourEntity(self));
     physics_world_add_entity(Enemy_as_PhysicsEntity(self));
     return self;
@@ -50,6 +53,7 @@ void EnemyUpdate(Enemy* self, float deltaTime) {
 }
 
 void EnemyDraw(Enemy* self) {
+    sprite_flip_horizontal(self->sprite, self->facing == -1);
     animation_sprite_draw(self->currentAnimation, &self->transform);
 }
 
@@ -67,10 +71,12 @@ void EnemyOnCollision(Enemy* self, Collision collision) {}
 void EnemyOnOverlap(Enemy* self, Collider* other) {}
 
 void* EnemyHandleMessage(Enemy* self, MessageID id, uintptr_t data) {
+    DamageEventData* damage = (DamageEventData*)data;
     switch(id) {
     case MESSAGE_DEAL_DAMAGE:
-        self->health -= (int)data;
+        self->health -= damage->damageAmount;
         self->hurt = 1;
+        self->facing = ((damage->origin.x - self->transform.position.x) > 0) * 2 - 1;
         if(self->health <= 0)
             game_world_destroy_entity(Enemy_as_BehaviourEntity(self));
         break;

game/src/Enemy.h

@@ -22,6 +22,7 @@ typedef struct Enemy {
     Sprite* sprite;
     
     int hurt;
+    int facing;
     
     AnimationSprite* idleAnim;
     AnimationSprite* walkAnim;