From 36b08eab1b48f04528a1f72fb1fe828b35ba6f83 Mon Sep 17 00:00:00 2001
From: Benjamin Levy <blevy@protonmail.com>
Date: Thu, 13 Aug 2020 01:21:20 -0400
Subject: [PATCH 1/2] Add level reset cheat

---
 include/text_options_strings.h.in |  2 ++
 src/game/mario.c                  | 13 +++++++++++++
 src/game/options_menu.c           |  2 ++
 src/pc/cheats.h                   |  1 +
 4 files changed, 18 insertions(+)

diff --git a/include/text_options_strings.h.in b/include/text_options_strings.h.in
index a1ce481f..10f2b99b 100644
--- a/include/text_options_strings.h.in
+++ b/include/text_options_strings.h.in
@@ -84,6 +84,7 @@
 #define TEXT_OPT_CHEAT7    _("EXIT COURSE AT ANY TIME")
 #define TEXT_OPT_CHEAT8    _("HUGE MARIO")
 #define TEXT_OPT_CHEAT9    _("TINY MARIO")
+#define TEXT_OPT_CHEAT10   _("LEVEL RESET (PRESS L)")
 
 #else // VERSION
 
@@ -148,6 +149,7 @@
 #define TEXT_OPT_CHEAT7    _("Exit course at any time")
 #define TEXT_OPT_CHEAT8    _("Huge Mario")
 #define TEXT_OPT_CHEAT9    _("Tiny Mario")
+#define TEXT_OPT_CHEAT10   _("Level Reset (Press L)")
 
 #endif // VERSION
 
diff --git a/src/game/mario.c b/src/game/mario.c
index 5f8e5114..1125ae1f 100644
--- a/src/game/mario.c
+++ b/src/game/mario.c
@@ -1421,6 +1421,19 @@ void update_mario_inputs(struct MarioState *m) {
     }
     /*End of moonjump cheat */
 
+    /* Level reset cheat */
+    if (Cheats.LevelReset
+                && Cheats.EnableCheats
+                && m->controller->buttonDown & L_TRIG
+                // Prevent crashing if there's no warp destination
+                && sWarpDest.areaIdx != 0) {
+        m->health = 0x880;
+        m->numCoins = 0;
+        gHudDisplay.coins = 0;
+        sWarpDest.type = 2;
+    }
+    /* End of level reset cheat */
+
     if (gCameraMovementFlags & CAM_MOVE_C_UP_MODE) {
         if (m->action & ACT_FLAG_ALLOW_FIRST_PERSON) {
             m->input |= INPUT_FIRST_PERSON;
diff --git a/src/game/options_menu.c b/src/game/options_menu.c
index 56dba619..6a3fd044 100644
--- a/src/game/options_menu.c
+++ b/src/game/options_menu.c
@@ -102,6 +102,7 @@ static const u8 optsCheatsStr[][64] = {
     { TEXT_OPT_CHEAT7 },
     { TEXT_OPT_CHEAT8 },
     { TEXT_OPT_CHEAT9 },
+    { TEXT_OPT_CHEAT10 },
 };
 
 static const u8 bindStr[][32] = {
@@ -279,6 +280,7 @@ static struct Option optsCheats[] = {
     DEF_OPT_TOGGLE( optsCheatsStr[6], &Cheats.ExitAnywhere ),
     DEF_OPT_TOGGLE( optsCheatsStr[7], &Cheats.HugeMario ),
     DEF_OPT_TOGGLE( optsCheatsStr[8], &Cheats.TinyMario ),
+    DEF_OPT_TOGGLE( optsCheatsStr[9], &Cheats.LevelReset ),
 
 };
 
diff --git a/src/pc/cheats.h b/src/pc/cheats.h
index eaf71ab4..01b567b5 100644
--- a/src/pc/cheats.h
+++ b/src/pc/cheats.h
@@ -13,6 +13,7 @@ struct CheatList {
     bool         ExitAnywhere;
     bool         HugeMario;
     bool         TinyMario;
+    bool         LevelReset;
 };
 
 extern struct CheatList Cheats;

From 4e4c307c83a972a019b4bf55f1eb5231b7915d1c Mon Sep 17 00:00:00 2001
From: Benjamin Levy <blevy@protonmail.com>
Date: Sun, 16 Aug 2020 19:28:59 -0400
Subject: [PATCH 2/2] Level reset cheat: fix object respawn issue

---
 src/game/object_list_processor.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/game/object_list_processor.c b/src/game/object_list_processor.c
index 7113e7c8..6150351a 100644
--- a/src/game/object_list_processor.c
+++ b/src/game/object_list_processor.c
@@ -19,6 +19,7 @@
 #include "platform_displacement.h"
 #include "profiler.h"
 #include "spawn_object.h"
+#include "pc/cheats.h"
 
 
 /**
@@ -409,6 +410,18 @@ void set_object_respawn_info_bits(struct Object *obj, u8 bits) {
     u32 *info32;
     u16 *info16;
 
+    /* Level reset cheat */
+    /*
+     * Force objects to respawn on level reset
+     *
+     * NOTE: This forces objects to respawn in cases where they wouldn't with
+     * the cheat disabled. The GameShark code also has this problem.
+     */
+    if (Cheats.LevelReset && Cheats.EnableCheats) {
+        return;
+    }
+    /* End of level reset cheat */
+
     switch (obj->respawnInfoType) {
         case RESPAWN_INFO_TYPE_32:
             info32 = (u32 *) obj->respawnInfo;