Add Island Flyover Double Blasters, Night Lights, and Two-Seater Plane items

Author: cyndifusic

src/core/ItemMgr.cpp

@@ -438,7 +438,7 @@ void ItemMgr::Clear() {
     mPlnStageFlag.SetDirect(0b1); // Start with one stage
     mPlnDoubleBlastersFlag = false;
     mPlnNightLightsFlag = false;
-    mPlnBalloonsFlag = true;
+    mPlnBalloonsFlag = false;
     mPlnTwoSeaterPlaneFlag = false;
 }
 
@@ -534,10 +534,10 @@ void ItemMgr::Debug() {
     // Air Sports
     mPlnTimerFlag.Randomize();
     mPlnStageFlag.Randomize();
-    mPlnDoubleBlastersFlag = r.CoinFlip();
-    mPlnNightLightsFlag = r.CoinFlip();
+    //mPlnDoubleBlastersFlag = r.CoinFlip();
+    //mPlnNightLightsFlag = r.CoinFlip();
     //mPlnBalloonsFlag = r.CoinFlip();
-    mPlnTwoSeaterPlaneFlag = r.CoinFlip();
+    //mPlnTwoSeaterPlaneFlag = r.CoinFlip();
 }
 
 } // namespace AP

src/hooks/Pln/items_Pln.cpp

@@ -74,5 +74,52 @@ TRAMPOLINE_DEF(0x8042aff0, 0x8042b010) {
     // clang-format on
 }
 
+/**
+ * @brief Unlocks double blasters, night lights, two-seater plane in Island Flyover
+ */
+u32 PlnSetMisc(u32 currentField) {
+
+    kiwi::TBitFlag<u32> plnUnlocks = currentField;
+
+    if (ItemMgr::GetInstance().IsPlnDoubleBlastersUnlock()) {
+        plnUnlocks.SetBit(2);
+    } else {
+        plnUnlocks.ResetBit(2);
+    }
+
+    if (ItemMgr::GetInstance().IsPlnNightLightsUnlock()) {
+        plnUnlocks.SetBit(4);
+    } else {
+        plnUnlocks.ResetBit(4);
+    }
+    
+    if (ItemMgr::GetInstance().IsPlnTwoSeaterUnlock()) {
+        plnUnlocks.SetBit(5);
+    } else {
+        plnUnlocks.ResetBit(5);
+    }
+    
+    return plnUnlocks;
+}
+
+/**
+ * @brief PlnSetMisc trampoline
+ */
+TRAMPOLINE_DEF(0x804455e0, 0x804455e4) {
+    // clang-format off
+    TRAMPOLINE_BEGIN
+
+    mr r14, r6
+    mr r3, r0
+    bl PlnSetMisc
+    sth r3, 0x3358(r14)
+    mr r0, r3
+
+    TRAMPOLINE_END
+    lis r4, 0x807d
+    blr
+    // clang-format on
+}
+
 } // namespace Pln
 } // namespace AP