Implement harvest worker AI

game/systems_ai.c

@@ -2,7 +2,10 @@
 
 #include "game_state.h"
 
-void updateUnitActions(ecs_iter_t *it) {
+#include "unit_ai.h"
+#include "unit_actions.h"
+
+void handleUnitActionsSystem(ecs_iter_t *it) {
     Game       *game   = ecs_singleton_get_mut(ECS, Game);
     UnitAction *action = ecs_field(it, UnitAction, 1);
 
@@ -11,3 +14,31 @@ void updateUnitActions(ecs_iter_t *it) {
         handleAction(entity, &action[i], game);
     }
 }
+
+void updateUnitAISystem(ecs_iter_t *it) {
+    Game       *game   = ecs_singleton_get_mut(ECS, Game);
+    UnitAI     *unitAI = ecs_field(it, UnitAI, 1);
+    UnitAction *action = ecs_field(it, UnitAction, 2);
+
+    for (i32 i = 0; i < it->count; i++) {
+        ecs_entity_t entity = it->entities[i];
+
+        Action *firstAction = action[i].first;
+        if (firstAction)
+            unitAI[i].action = firstAction;
+        else
+            unitAI[i].action = NULL;
+
+        updateUnitAI(entity, &unitAI[i], game);
+    }
+}
+
+void updateUnitActionsSystem(ecs_iter_t *it) {
+    Game       *game   = ecs_singleton_get_mut(ECS, Game);
+    UnitAction *action = ecs_field(it, UnitAction, 1);
+
+    for (i32 i = 0; i < it->count; i++) {
+        ecs_entity_t entity = it->entities[i];
+        updateAction(&action[i], game);
+    }
+}