From bccf43fc93795744fe49a57e00883f34bd03cd60 Mon Sep 17 00:00:00 2001
From: aMannus <mannusmenting@gmail.com>
Date: Sun, 24 Nov 2024 15:18:01 +0100
Subject: [PATCH] Rocs Feather - LetItSnow Edition - No Save Edition - Limited
 Edition (#4577)

* Rocs Feather Take 2

* Tooltip
---
 soh/include/functions.h                       |  3 +
 soh/soh/Enhancements/Holiday/aMannus.cpp      | 76 +++++++++++++++++++
 .../actors/ovl_player_actor/z_player.c        |  6 +-
 3 files changed, 83 insertions(+), 2 deletions(-)
 create mode 100644 soh/soh/Enhancements/Holiday/aMannus.cpp

diff --git a/soh/include/functions.h b/soh/include/functions.h
index 4aab58ab7..bbadddca1 100644
--- a/soh/include/functions.h
+++ b/soh/include/functions.h
@@ -2458,6 +2458,9 @@ void Interface_RandoRestoreSwordless(void);
 s32 Ship_CalcShouldDrawAndUpdate(PlayState* play, Actor* actor, Vec3f* projectedPos, f32 projectedW, bool* shouldDraw,
                                  bool* shouldUpdate);
 
+// Exposing for Roc's Feather
+void func_80838940(Player* this, LinkAnimationHeader* anim, f32 arg2, PlayState* play, u16 sfxId);
+
 // #endregion
 
 #ifdef __cplusplus
diff --git a/soh/soh/Enhancements/Holiday/aMannus.cpp b/soh/soh/Enhancements/Holiday/aMannus.cpp
new file mode 100644
index 000000000..8cf854b1d
--- /dev/null
+++ b/soh/soh/Enhancements/Holiday/aMannus.cpp
@@ -0,0 +1,76 @@
+#include "Holiday.hpp"
+
+#define AUTHOR "aMannus"
+#define CVAR(v) "gHoliday." AUTHOR "." v
+
+extern "C" {
+#include <z64.h>;
+#include "functions.h";
+#include "variables.h";
+#include "macros.h";
+#include "objects/gameplay_keep/gameplay_keep.h"
+extern PlayState* gPlayState;
+}
+
+uint8_t rocsUseCount = 0;
+
+static void ConfigurationChanged() {
+
+    COND_HOOK(OnPlayerUpdate, CVarGetInteger(CVAR("RocsFeather"), 0), []() {
+        Player* player = GET_PLAYER(gPlayState);
+        // Reset Rocs count when touching the ground
+        if (player->actor.bgCheckFlags & 1) {
+            rocsUseCount = 0;
+        }
+    });
+
+    COND_VB_SHOULD(VB_USE_ITEM, CVarGetInteger(CVAR("RocsFeather"), 0), {
+        int32_t* usedItem = va_arg(args, int32_t*);
+        Player* player = GET_PLAYER(gPlayState);
+
+        // Roc's Feather behaviour
+       if (*usedItem == ITEM_NAYRUS_LOVE) {
+           *should = false;
+
+           if (!rocsUseCount) {
+               rocsUseCount++;
+               player->linearVelocity = 5.0f;
+               player->actor.velocity.y = 8.0f;
+               player->actor.world.rot.y = player->yaw = player->actor.shape.rot.y;
+
+               func_80838940(player, (LinkAnimationHeader*)&gPlayerAnim_link_fighter_backturn_jump,
+                             !(2 & 1) ? 5.8f : 3.5f, gPlayState, 0);
+
+               Vec3f effectsPos = player->actor.home.pos;
+               effectsPos.y += 3;
+               f32 effectsScale = 1;
+               if (!gSaveContext.linkAge) {
+                   effectsScale = 1.5f;
+               }
+               EffectSsGRipple_Spawn(gPlayState, &effectsPos, 200 * effectsScale, 300 * effectsScale, 1);
+               EffectSsGSplash_Spawn(gPlayState, &effectsPos, NULL, NULL, 0, 150 * effectsScale);
+
+               player->stateFlags2 &= ~(PLAYER_STATE2_HOPPING);
+
+               Player_PlaySfx(&player->actor, NA_SE_PL_SKIP);
+           }
+        } 
+    });
+}
+
+static void DrawMenu() {
+    ImGui::SeparatorText(AUTHOR);
+
+    if (UIWidgets::EnhancementCheckbox("Roc's Feather", CVAR("RocsFeather"))) {
+        ConfigurationChanged();
+    }
+    UIWidgets::Tooltip("Using Nayru's Love will now act as Roc's Feather instead! No magic required.");
+}
+
+static void RegisterMod() {
+    // #region Leave this alone unless you know what you are doing
+    ConfigurationChanged();
+    // #endregion
+}
+
+static Holiday holiday(DrawMenu, RegisterMod);
diff --git a/soh/src/overlays/actors/ovl_player_actor/z_player.c b/soh/src/overlays/actors/ovl_player_actor/z_player.c
index 64ae0415a..4a2d792f5 100644
--- a/soh/src/overlays/actors/ovl_player_actor/z_player.c
+++ b/soh/src/overlays/actors/ovl_player_actor/z_player.c
@@ -2570,8 +2570,10 @@ void Player_ProcessItemButtons(Player* this, PlayState* play) {
                 sHeldItemButtonIsHeldDown = true;
             }
         } else if (GameInteractor_Should(VB_CHANGE_HELD_ITEM_AND_USE_ITEM, true, item)) {
-            this->heldItemButton = i;
-            Player_UseItem(play, this, item);
+            if (GameInteractor_Should(VB_USE_ITEM, true, &item)) {
+                this->heldItemButton = i;
+                Player_UseItem(play, this, item);
+            }
         }
     }
 }