From 3e332f4c9887f6686981c521a494a24656c7486a Mon Sep 17 00:00:00 2001
From: DimensionWarped <dimensionwarped@gmail.com>
Date: Tue, 26 May 2020 18:30:19 -0500
Subject: [PATCH] Add cheat to remove star/key requirements on doors

---
 include/text_options_strings.h.in |  1 +
 src/game/interaction.c            | 29 ++++++++++++++++++++++++++++-
 src/game/options_menu.c           |  2 ++
 src/pc/cheats.h                   |  1 +
 4 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/include/text_options_strings.h.in b/include/text_options_strings.h.in
index 7580ec9e..244d5017 100644
--- a/include/text_options_strings.h.in
+++ b/include/text_options_strings.h.in
@@ -132,6 +132,7 @@
 #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   _("No Keys Required")
 
 #endif // VERSION
 
diff --git a/src/game/interaction.c b/src/game/interaction.c
index b8f3f881..91beb317 100644
--- a/src/game/interaction.c
+++ b/src/game/interaction.c
@@ -21,6 +21,7 @@
 #include "seq_ids.h"
 #include "course_table.h"
 #include "thread6.h"
+#include "pc/cheats.h"
 
 #define INT_GROUND_POUND_OR_TWIRL (1 << 0) // 0x01
 #define INT_PUNCH                 (1 << 1) // 0x02
@@ -904,6 +905,11 @@ u32 interact_warp_door(struct MarioState *m, UNUSED u32 interactType, struct Obj
     u32 actionArg;
 
     if (m->action == ACT_WALKING || m->action == ACT_DECELERATING) {
+        if (Cheats.EnableCheats && Cheats.UnlockDoors) {
+            /* If the unlock doors cheat is enabled, skip key checks */
+            goto postkeycheck;
+        }
+
         if (warpDoorId == 1 && !(saveFlags & SAVE_FLAG_UNLOCKED_UPSTAIRS_DOOR)) {
             if (!(saveFlags & SAVE_FLAG_HAVE_KEY_2)) {
                 if (!sDisplayingDoorText) {
@@ -933,6 +939,7 @@ u32 interact_warp_door(struct MarioState *m, UNUSED u32 interactType, struct Obj
             doorAction = ACT_UNLOCKING_KEY_DOOR;
         }
 
+postkeycheck:
         if (m->action == ACT_WALKING || m->action == ACT_DECELERATING) {
             actionArg = should_push_or_pull_door(m, o) + 0x00000004;
 
@@ -998,7 +1005,27 @@ u32 interact_door(struct MarioState *m, UNUSED u32 interactType, struct Object *
     s16 numStars = save_file_get_total_star_count(gCurrSaveFileNum - 1, COURSE_MIN - 1, COURSE_MAX - 1);
 
     if (m->action == ACT_WALKING || m->action == ACT_DECELERATING) {
-        if (numStars >= requiredNumStars) {
+        if (Cheats.EnableCheats && Cheats.UnlockDoors) {
+            /* If the UnlockDoors Cheat is enabled, it's the same as the approach with >= requiredNumStars,
+             * but never use the action that 'unlocks' the door for the save file */
+            u32 actionArg = should_push_or_pull_door(m, o);
+            u32 enterDoorAction;
+
+            if (actionArg & 0x00000001) {
+                enterDoorAction = ACT_PULLING_DOOR;
+            } else {
+                enterDoorAction = ACT_PUSHING_DOOR;
+            }
+
+            m->interactObj = o;
+            m->usedObj = o;
+
+            if (o->oInteractionSubtype & INT_SUBTYPE_STAR_DOOR) {
+                enterDoorAction = ACT_ENTERING_STAR_DOOR;
+            }
+
+            return set_mario_action(m, enterDoorAction, actionArg);
+        } else if (numStars >= requiredNumStars) {
             u32 actionArg = should_push_or_pull_door(m, o);
             u32 enterDoorAction;
             u32 doorSaveFileFlag;
diff --git a/src/game/options_menu.c b/src/game/options_menu.c
index 4e08dbdb..bedb7d76 100644
--- a/src/game/options_menu.c
+++ b/src/game/options_menu.c
@@ -96,6 +96,7 @@ static const u8 optsCheatsStr[][64] = {
     { TEXT_OPT_CHEAT7 },
     { TEXT_OPT_CHEAT8 },
     { TEXT_OPT_CHEAT9 },
+    { TEXT_OPT_CHEAT10 },
 };
 
 static const u8 bindStr[][32] = {
@@ -257,6 +258,7 @@ 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.UnlockDoors ),
 
 };
 
diff --git a/src/pc/cheats.h b/src/pc/cheats.h
index eaf71ab4..f515cdfa 100644
--- a/src/pc/cheats.h
+++ b/src/pc/cheats.h
@@ -13,6 +13,7 @@ struct CheatList {
     bool         ExitAnywhere;
     bool         HugeMario;
     bool         TinyMario;
+    bool         UnlockDoors;
 };
 
 extern struct CheatList Cheats;