[Mod] Turn Nayru's Love into Roc's Feather

soh/include/z64player.h

@@ -673,6 +673,7 @@ typedef struct Player {
     // Upstream TODO: Rename these to be more obviously SoH specific
     /*        */ PendingFlag pendingFlag;
     /*        */ GetItemEntry getItemEntry;
+    /*        */ s8 rocUseCount;
     // #endregion
     // #region SOH [Enhancements]
     // Upstream TODO: Rename this to make it more obvious it is apart of an enhancement

soh/soh/Enhancements/presets.h

@@ -165,6 +165,7 @@ const std::vector<const char*> enhancementsCvars = {
     "gChestSizeDependsStoneOfAgony",
     "gSkipArrowAnimation",
     "gSeparateArrows",
+    "gRocsFeather",
     "gCustomizeShootingGallery",
     "gInstantShootingGalleryWin",
     "gConstantAdultGallery",

soh/soh/GameMenuBar.cpp

@@ -413,6 +413,11 @@ namespace GameMenuBar {
                     UIWidgets::Tooltip("Explosions are now a static size, like in Majora's Mask and OoT3D. Makes bombchu hovering much easier.");
                     UIWidgets::PaddedEnhancementCheckbox("Prevent Bombchus Forcing First-Person", "gDisableFirstPersonChus", true, false);
                     UIWidgets::Tooltip("Prevent bombchus from forcing the camera into first-person mode when released.");
+                    UIWidgets::PaddedEnhancementCheckbox("Turn Nayru's Love into Roc's Feather", "gRocsFeather", true, false);
+                    UIWidgets::Tooltip(
+                        "Nayru's Love acts like Roc's Feather from the Indigo romhack instead. Grants a jump that can even be used in the air, "
+                        "but needs to recharge by touching the ground afterwards. Does not require magic to use."
+                    );
                     ImGui::EndMenu();
                 }
 

soh/src/overlays/actors/ovl_player_actor/z_player.c

@@ -342,6 +342,8 @@ s32 Player_InflictDamage(PlayState* play, s32 damage);
 s32 Player_InflictDamageModified(PlayState* play, s32 damage, u8 modified);
 void func_80853148(PlayState* play, Actor* actor);
 
+void func_80838940(Player* this, LinkAnimationHeader* anim, f32 arg2, PlayState* play, u16 sfxId);
+
 // .bss part 1
 static s32 D_80858AA0;
 static s32 D_80858AA4;
@@ -2046,6 +2048,10 @@ void func_80833DF8(Player* this, PlayState* play) {
     s32 item;
     s32 i;
 
+    if (this->actor.bgCheckFlags & 1) {
+        this->rocUseCount = 0;
+    }
+
     if (this->currentMask != PLAYER_MASK_NONE) {
         if (CVarGetInteger("gMMBunnyHood", 0) != 0) {
             s32 maskItem = this->currentMask - PLAYER_MASK_KEATON + ITEM_MASK_KEATON;
@@ -2110,9 +2116,29 @@ void func_80833DF8(Player* this, PlayState* play) {
             if ((item < ITEM_NONE_FE) && (Player_ItemToActionParam(item) == this->heldItemAction)) {
                 D_80853618 = true;
             }
-        } else {
+        } else if (item != ITEM_NAYRUS_LOVE || !CVarGetInteger("gRocsFeather", 0)) {
             this->heldItemButton = i;
             func_80835F44(play, this, item);
+        } else if (this->rocUseCount == 0) {
+            this->rocUseCount++;
+            this->linearVelocity = 5.0f;
+            this->actor.velocity.y = 8.0f;
+            this->actor.world.rot.y = this->currentYaw = this->actor.shape.rot.y;
+
+            func_80838940(this, D_80853D4C[2][0], !(2 & 1) ? 5.8f : 3.5f, play, /* NA_SE_VO_LI_SWORD_N*/ 0);
+
+            Vec3f effectsPos = this->actor.home.pos;
+            effectsPos.y += 3;
+            f32 effectsScale = 1;
+            if (!gSaveContext.linkAge) {
+                effectsScale = 1.5f;
+            }
+            EffectSsGRipple_Spawn(play, &effectsPos, 200 * effectsScale, 300 * effectsScale, 1);
+            EffectSsGSplash_Spawn(play, &effectsPos, NULL, NULL, 0, 150 * effectsScale);
+
+            this->stateFlags2 &= ~(PLAYER_STATE2_19);
+
+            func_8002F7DC(&this->actor, NA_SE_PL_SKIP);
         }
     }
 }