implement enemy counting and prevent spawning when num enemies > 50

3 files changed, 28 insertions, 5 deletions

diff --git a/src/enemies.c b/src/enemies.c
index 0f545cc..abb8646 100644
--- a/src/enemies.c
+++ b/src/enemies.c
@@ -13,6 +13,7 @@ static rodeo_texture_2d_t squid_texture;
 static cvec_enemy_t enemies = {0};
 static cvec_enemy_t ghosts = {0};
 static float spawn_cooldown = 0;
+static uint16_t enemy_count = 0;
 
 void
 init_enemies(void)
@@ -36,6 +37,12 @@ deinit_enemies(void)
 	rodeo_texture_2d_destroy(&amonghost_texture);
 }
 
+uint16_t
+get_enemy_count(void)
+{
+	return enemy_count;
+}
+
 enemy_t*
 spawn_enemy(float x, float y)
 {
@@ -52,6 +59,7 @@ spawn_enemy(float x, float y)
 
 	rodeo_collision_2d_world_item_t enemy_collision = (rodeo_collision_2d_world_item_t){.x = x, .y = y, .width = 40, .height = 40};
 	world_id id = rodeo_collision_2d_world_item_create(enemy_collision_world, enemy_collision)->id;
+	enemy_count++;
 
 	return cvec_enemy_t_push(
 		enemy_obj_world,
@@ -412,6 +420,7 @@ void enemy_destroy(
 	cvec_enemy_t_value* enemy 
 )
 {
+	enemy_count--;
 	cvec_enemy_t *enemy_vec = &enemies;
 	if(enemy->weapon.type == enemy_weapon_basic)
 	{
diff --git a/src/enemies.h b/src/enemies.h
index b2e9b6b..a03162f 100644
--- a/src/enemies.h
+++ b/src/enemies.h
@@ -55,6 +55,9 @@ deinit_enemies(void);
 		deinit_enemies() \
 	)
 
+uint16_t
+get_enemy_count(void);
+
 enemy_t*
 spawn_enemy(
     float x,
diff --git a/src/main.c b/src/main.c
index cffe740..0b68cca 100644
--- a/src/main.c
+++ b/src/main.c
@@ -45,7 +45,11 @@ main_loop(void)
 
 		player_shoot(get_player_bullet_world());
 		enemies_attempt_weapon_fire();
-		attempt_random_enemy_spawn((rodeo_rectangle_t){ 0, 0, window_width, window_height });
+		if (get_enemy_count() < 50)
+		{
+			attempt_random_enemy_spawn((rodeo_rectangle_t){ 0, 0, window_width, window_height });
+		}
+		
 
 		group_follow_target(get_player_position());
 
@@ -87,6 +91,13 @@ main_loop(void)
 			" fps: %.2f ",
 			time_var
 		);
+
+		rodeo_debug_text_draw(
+			2,
+			4,
+			" enemy count: %d ",
+			get_enemy_count()
+		);
 	}
 }
 
@@ -126,10 +137,10 @@ main(void)
 					{
 						wall_init_do()
 						{
-							spawn_enemy(400.0f,700.0f);
-							spawn_enemy(900.0f,700.0f);
-							spawn_enemy(400.0f,100.0f);
-							spawn_enemy(900.0f,100.0f);
+							//spawn_enemy(400.0f,700.0f);
+							//spawn_enemy(900.0f,700.0f);
+							//spawn_enemy(400.0f,100.0f);
+							//spawn_enemy(900.0f,100.0f);
 							rodeo_mainLoop_run(
 								main_loop
 							);