Reimplement penguins

src/port/Game.cpp

@@ -295,8 +295,10 @@ extern "C" {
 
     void CourseManager_ClearVehicles(void) {
         gWorldInstance.ClearVehicles();
+        gWorldInstance.Crossings.clear();
         gWorldInstance.BombKarts.clear();
         gWorldInstance.Thwomps.clear();
+        gWorldInstance.Penguins.clear();
     }
 
     void CourseManager_CrossingTrigger() {
@@ -501,6 +503,22 @@ extern "C" {
         }
     }
 
+    void CourseManager_TickPenguins(void) {
+        for (auto& penguin : gWorldInstance.Penguins) {
+            if (penguin) {
+                penguin->Tick();
+            }
+        }
+    }
+
+    void CourseManager_DrawPenguins(s32 cameraId) {
+        for (auto& penguin : gWorldInstance.Penguins) {
+            if (penguin) {
+                penguin->Draw(cameraId);
+            }
+        }
+    }
+
     size_t GetCupCursorPosition() {
         return gWorldInstance.CurrentCup->CursorPosition;
     }