Improve unit recruiting

game/systems/s_entity.c

@@ -4,6 +4,7 @@
 #include "../game_state.h"
 #include "../input.h"
 #include "../pathfinding.h"
+#include "../entity_factory.h"
 
 #include <math.h>
 #include <raymath.h>
@@ -236,6 +237,38 @@ void entityFollowPath(ecs_iter_t *it) {
     }
 }
 
+void updateBuildingRecruitment(ecs_iter_t *it) {
+    Game *game = ecs_singleton_get_mut(ECS, Game);
+    Owner *owner = ecs_field(it, Owner, 1);
+    Building *building = ecs_field(it, Building, 2);
+    BuildingRecruitInfo *info = ecs_field(it, BuildingRecruitInfo, 3);
+
+    f32 dt = GetFrameTime();
+    for (i32 i = 0; i < it->count; i++) {
+        Player player = owner[i].player;
+        Vector2 placePos = {
+                (building[i].pos.x + building[i].size.x * 0.5f) * 16.0f,
+                (building[i].pos.y + building->size.y + 0.5f) * 16.0f
+        };
+        placePos.x += GetRandomValue(-building[i].size.x, building[i].size.x);
+        placePos.y += GetRandomValue(-4, 4);
+
+        for (i32 slotIdx = 0; slotIdx < info[i].numSlots; i++) {
+            BuildingRecruitSlot *slot = &info[i].slots[slotIdx];
+
+            if (slot->numRecruiting <= 0) continue;
+            slot->elapsed += dt;
+            if (slot->elapsed >= slot->recruitTime) {
+                slot->elapsed = 0;
+                bzLogInfo("spawned");
+                entityRecruit(slot->entityType, placePos, player, game);
+                slot->numRecruiting--;
+            }
+        }
+
+    }
+}
+
 void renderColliders(ecs_iter_t *it) {
     Position *pos = ecs_field(it, Position, 1);
     HitBox *hitbox = ecs_field(it, HitBox , 2);