`z_parameter`: Main (#1157)

* main docs

* formatting and bss issues

* PR Suggestions

* missed enums

* better macros/enums

* restrictions improvement, still wip

* fix name, more common restriction patterns

* more restrictions cleanup

* rm comment

9 files changed, 167 insertions, 177 deletions

diff --git a/include/functions.h b/include/functions.h
index 77c3fa371..27c11bbe7 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -1621,9 +1621,9 @@ s32 func_8010A0A4(PlayState* play);
 void Minimap_SavePlayerRoomInitInfo(PlayState* play);
 void Map_InitRoomData(PlayState* play, s16 room);
 void Map_Destroy(PlayState* play);
-// void Map_Init(PlayState* play);
-// void Minimap_Draw(PlayState* play);
-// void Map_Update(PlayState* play);
+void Map_Init(PlayState* play);
+void Minimap_Draw(PlayState* play);
+void Map_Update(PlayState* play);
 // void func_8010A760(void);
 // void func_8010A7CC(void);
 // void func_8010A814(void);
@@ -1710,8 +1710,7 @@ void Interface_StartPostmanTimer(s16 seconds, s16 bunnyHoodState);
 void Interface_NewDay(PlayState* play, s32 day);
 void Interface_SetHudVisibility(u16 hudVisibility);
 void func_80110038(PlayState* play);
-// void func_80111CB4(void);
-// void func_801129E4(void);
+void Interface_SetSceneRestrictions(PlayState* play);
 void Interface_InitMinigame(PlayState* play);
 void Interface_LoadItemIconImpl(PlayState* play, u8 btn);
 void Interface_LoadItemIcon(PlayState* play, u8 btn);
@@ -1727,12 +1726,10 @@ s32 Inventory_HasItemInBottle(u8 item);
 void Inventory_UpdateBottleItem(PlayState* play, u8 item, u8 btn);
 s32 Inventory_ConsumeFairy(PlayState* play);
 void Inventory_UpdateItem(PlayState* play, s16 slot, s16 item);
-// void func_801153C8(void);
-// void func_80115428(void);
 void func_8011552C(PlayState* play, u16 arg1);
 void func_801155B4(PlayState* play, s16 arg1);
 void func_80115764(PlayState* play, UNK_TYPE arg1);
-void func_80115844(PlayState* play, s16 param_2);
+void func_80115844(PlayState* play, s16 doAction);
 s32 Health_ChangeBy(PlayState* play, s16 healthChange);
 void Health_GiveHearts(s16 hearts);
 void Rupees_ChangeBy(s16 rupeeChange);
@@ -1812,7 +1809,7 @@ s32 Player_ActionToExplosive(Player* player, PlayerItemAction itemAction);
 s32 Player_GetExplosiveHeld(Player* player);
 s32 Player_ActionToSword(Actor* actor, PlayerItemAction itemAction);
 s32 func_801242B4(Player* player);
-s32 Player_GetEnvTimerType(PlayState* play);
+s32 Player_GetEnvironmentalHazard(PlayState* play);
 void func_80124420(Player* player);
 void func_80124618(struct_80124618 arg0[], f32 curFrame, Vec3f* arg2);
 void Player_DrawImpl(PlayState* play, void** skeleton, Vec3s* jointTable, s32 dListCount, s32 lod, PlayerTransformation playerForm, s32 boots, s32 face, OverrideLimbDrawFlex overrideLimbDraw, PostLimbDrawFlex postLimbDraw, Actor* actor);
@@ -2327,8 +2324,8 @@ void func_80165DF0(void);
 // void func_80166060(void);
 Gfx* func_801660B8(PlayState* play, Gfx* gfx);
 void Play_Destroy(GameState* thisx);
-// void func_801663C4(void);
-// void func_80166644(void);
+void Play_CompressI8ToI5(void* srcI8, void* destI5, size_t size);
+void Play_DecompressI5ToI8(void* srcI5, void* destI8, size_t size);
 // void func_801668B4(void);
 void func_80166968(PlayState* play, Camera* camera);
 void func_80166B30(PlayState* play);
diff --git a/include/regs.h b/include/regs.h
index 41ba0c291..b19131748 100644
--- a/include/regs.h
+++ b/include/regs.h
@@ -60,14 +60,24 @@
 #define R_PLAY_FILL_SCREEN_B              MREG(67)
 #define R_PLAY_FILL_SCREEN_ALPHA          MREG(68)
 
-#define R_PAUSE_WORLD_MAP_YAW             YREG(24)
-#define R_PAUSE_WORLD_MAP_Y_OFFSET        YREG(25)
-#define R_PAUSE_WORLD_MAP_DEPTH           YREG(26)
-#define R_PAUSE_DBG_QUEST_CURSOR_ON       YREG(69)
-#define R_PAUSE_DBG_QUEST_CURSOR_X        YREG(70)
-#define R_PAUSE_DBG_QUEST_CURSOR_Y        YREG(71)
-#define R_C_UP_ICON_X                     YREG(88)
-#define R_C_UP_ICON_Y                     YREG(89)
+#define R_PAUSE_WORLD_MAP_YAW              YREG(24)
+#define R_PAUSE_WORLD_MAP_Y_OFFSET         YREG(25)
+#define R_PAUSE_WORLD_MAP_DEPTH            YREG(26)
+#define R_PICTO_FOCUS_BORDER_TOPLEFT_X     YREG(32)
+#define R_PICTO_FOCUS_BORDER_TOPLEFT_Y     YREG(33)
+#define R_PICTO_FOCUS_BORDER_TOPRIGHT_X    YREG(34)
+#define R_PICTO_FOCUS_BORDER_TOPRIGHT_Y    YREG(35)
+#define R_PICTO_FOCUS_BORDER_BOTTOMLEFT_X  YREG(36)
+#define R_PICTO_FOCUS_BORDER_BOTTOMLEFT_Y  YREG(37)
+#define R_PICTO_FOCUS_BORDER_BOTTOMRIGHT_X YREG(38)
+#define R_PICTO_FOCUS_BORDER_BOTTOMRIGHT_Y YREG(39)
+#define R_PICTO_FOCUS_ICON_X               YREG(40)
+#define R_PICTO_FOCUS_ICON_Y               YREG(41)
+#define R_PICTO_FOCUS_TEXT_X               YREG(42)
+#define R_PICTO_FOCUS_TEXT_Y               YREG(43)
+#define R_PAUSE_DBG_QUEST_CURSOR_ON        YREG(69)
+#define R_PAUSE_DBG_QUEST_CURSOR_X         YREG(70)
+#define R_PAUSE_DBG_QUEST_CURSOR_Y         YREG(71)
 
 #define R_MAGIC_FILL_COLOR(i)             ZREG(0 + i)
 #define R_C_BTN_COLOR(i)                  ZREG(39 + i)
@@ -86,11 +96,13 @@
 #define R_ITEM_ICON_Y(i)                  ZREG(86 + i)
 #define R_ITEM_ICON_DD(i)                 ZREG(90 + i)
 
+#define R_MAGIC_DBG_SET_UPGRADE             XREG(4)
 #define R_A_BTN_Y                           XREG(16)
 #define R_A_BTN_X                           XREG(17)
 #define R_A_ICON_Y                          XREG(19)
 #define R_A_ICON_X                          XREG(20)
 #define R_A_BTN_COLOR(i)                    XREG(22 + i)
+#define R_A_BTN_Y_OFFSET                    XREG(31)
 #define R_MAGIC_CONSUME_TIMER_GIANTS_MASK   XREG(41)
 #define R_THREE_DAY_CLOCK_Y_POS             XREG(43)
 #define R_THREE_DAY_CLOCK_SUN_MOON_CUTOFF   XREG(44)
diff --git a/include/variables.h b/include/variables.h
index fc156ff31..70874a1ec 100644
--- a/include/variables.h
+++ b/include/variables.h
@@ -631,127 +631,6 @@ extern UNK_PTR D_801BEC14;
 // extern UNK_TYPE2 D_801BF5B0;
 extern UNK_PTR D_801BF5C0;
 // extern UNK_TYPE1 D_801BF68C;
-// extern UNK_TYPE1 D_801BF6C0;
-// extern UNK_TYPE1 D_801BF79E;
-// extern UNK_TYPE2 D_801BF884;
-// extern UNK_TYPE2 D_801BF888;
-// extern UNK_TYPE2 D_801BF88C;
-// extern UNK_TYPE2 D_801BF890;
-// extern UNK_TYPE2 D_801BF898;
-// extern UNK_TYPE2 D_801BF89C;
-// extern UNK_TYPE2 sMagicMeterOutlinePrimRed;
-// extern UNK_TYPE2 sMagicMeterOutlinePrimGreen;
-// extern UNK_TYPE2 sMagicMeterOutlinePrimBlue;
-// extern UNK_TYPE2 sMagicBorderRatio;
-// extern UNK_TYPE2 sMagicBorderStep;
-// extern UNK_TYPE2 sEnvTimerType;
-// extern UNK_TYPE2 sEnvTimerActive;
-// extern UNK_TYPE2 sPostmanBunnyHoodState;
-// extern UNK_TYPE4 sTimerPausedOsTime;
-// extern UNK_TYPE4 sBottleTimerPausedOsTime;
-// extern UNK_TYPE4 D_801BF8F4;
-// extern UNK_TYPE4 D_801BF8F8;
-// extern UNK_TYPE4 D_801BF8FC;
-// extern UNK_TYPE4 D_801BF930;
-// extern UNK_TYPE4 D_801BF934;
-// extern UNK_TYPE1 sIsTimerPaused;
-// extern UNK_TYPE1 D_801BF96A;
-// extern UNK_TYPE1 sIsBottleTimerPaused;
-// extern UNK_TYPE1 D_801BF96E;
-// extern UNK_TYPE2 sTimerId;
-// extern UNK_TYPE1 D_801BF972;
-// extern UNK_TYPE2 D_801BF974;
-// extern UNK_TYPE2 D_801BF978;
-// extern UNK_TYPE2 D_801BF97C;
-// extern UNK_TYPE4 D_801BF980;
-// extern UNK_TYPE1 D_801BF988;
-// extern UNK_TYPE1 D_801BF998;
-// extern UNK_TYPE2 D_801BF9B0;
-// extern UNK_TYPE1 D_801BF9B4;
-// extern UNK_TYPE1 D_801BF9BC;
-// extern UNK_TYPE1 D_801BF9C4;
-// extern UNK_TYPE1 D_801BF9C8;
-// extern UNK_TYPE1 D_801BF9CC;
-// extern UNK_TYPE2 D_801BF9D4;
-// extern UNK_TYPE2 D_801BF9D6;
-// extern UNK_TYPE2 D_801BF9D8;
-// extern UNK_TYPE2 D_801BF9DA;
-// extern UNK_TYPE2 D_801BF9DC;
-// extern UNK_TYPE2 D_801BF9DE;
-// extern UNK_TYPE2 D_801BF9E0;
-// extern UNK_TYPE2 D_801BF9E2;
-// extern UNK_TYPE2 D_801BF9E4;
-// extern UNK_TYPE2 D_801BF9E6;
-// extern UNK_TYPE2 D_801BF9E8;
-// extern UNK_TYPE2 D_801BF9EA;
-// extern UNK_TYPE2 D_801BF9EC;
-// extern UNK_TYPE2 D_801BF9F0;
-// extern UNK_TYPE2 D_801BF9F4;
-// extern UNK_TYPE2 D_801BF9F8;
-// extern UNK_TYPE2 D_801BF9FC;
-// extern UNK_TYPE2 D_801BFA00;
-// extern UNK_TYPE1 D_801BFAB0;
-// extern UNK_TYPE1 D_801BFAB8;
-// extern UNK_TYPE1 D_801BFAC4;
-// extern UNK_TYPE1 D_801BFACC;
-// extern UNK_TYPE1 D_801BFAD4;
-// extern UNK_TYPE2 D_801BFAF4;
-// extern UNK_TYPE2 D_801BFAF6;
-// extern UNK_TYPE2 D_801BFAF8;
-// extern UNK_TYPE2 D_801BFAFA;
-// extern UNK_TYPE1 D_801BFAFC;
-// extern UNK_TYPE1 D_801BFB04;
-// extern UNK_TYPE1 D_801BFB0C;
-// extern UNK_TYPE1 D_801BFB14;
-// extern UNK_TYPE1 D_801BFB1C;
-// extern UNK_TYPE1 D_801BFB24;
-// extern UNK_TYPE2 sThreeDayClockAlpha;
-// extern UNK_TYPE2 D_801BFB30;
-// extern UNK_TYPE2 D_801BFB34;
-// extern UNK_TYPE1 sThreeDayClockHours;
-// extern UNK_TYPE1 sThreeDayClockHourTextures;
-// extern UNK_TYPE2 D_801BFBCC;
-// extern UNK_TYPE2 D_801BFBD0;
-// extern UNK_TYPE2 D_801BFBD4;
-// extern UNK_TYPE2 D_801BFBD8;
-// extern UNK_TYPE2 D_801BFBDC;
-// extern UNK_TYPE2 D_801BFBE0;
-// extern UNK_TYPE2 D_801BFBE4;
-// extern UNK_TYPE2 D_801BFBE8;
-// extern UNK_TYPE1 D_801BFBEC;
-// extern UNK_TYPE1 D_801BFBF0;
-// extern UNK_TYPE1 D_801BFBF4;
-// extern UNK_TYPE1 D_801BFBF8;
-// extern UNK_TYPE1 D_801BFBFC;
-// extern UNK_TYPE1 D_801BFC00;
-// extern UNK_TYPE1 D_801BFC04;
-// extern UNK_TYPE1 D_801BFC08;
-// extern UNK_TYPE1 D_801BFC0C;
-// extern UNK_TYPE1 D_801BFC10;
-// extern UNK_TYPE1 sFinalHoursDigitTextures;
-// extern UNK_TYPE1 D_801BFC40;
-// extern UNK_TYPE2 sTimerStateTimer;
-// extern UNK_TYPE2 sTimerDigits;
-// extern UNK_TYPE2 D_801BFCEA;
-// extern UNK_TYPE2 D_801BFCEC;
-// extern UNK_TYPE2 D_801BFCEE;
-// extern UNK_TYPE2 D_801BFCF0;
-// extern UNK_TYPE2 D_801BFCF2;
-// extern UNK_TYPE2 D_801BFCF4;
-// extern UNK_TYPE2 sTimerBeepSfxSeconds;
-// extern UNK_TYPE2 D_801BFCFC;
-// extern UNK_TYPE2 D_801BFD0C;
-// extern UNK_TYPE1 D_801BFD1C;
-// extern UNK_TYPE1 D_801BFD24;
-// extern UNK_TYPE1 D_801BFD2C;
-// extern UNK_TYPE1 D_801BFD40;
-// extern UNK_TYPE1 D_801BFD54;
-// extern UNK_TYPE1 D_801BFD64;
-// extern UNK_TYPE2 D_801BFD6C;
-// extern UNK_TYPE1 D_801BFD84;
-// extern UNK_TYPE1 D_801BFD8C;
-// extern UNK_TYPE1 D_801BFD94;
-// extern UNK_TYPE2 D_801BFD98;
 
 extern FlexSkeletonHeader* gPlayerSkeletons[PLAYER_FORM_MAX];
 extern PlayerModelIndices gPlayerModelTypes[];
@@ -2926,7 +2805,7 @@ extern GfxPool gGfxPools[2];
 extern u8 gAudioHeap[0x138000];
 extern u8 gSystemHeap[UNK_SIZE];
 
-extern u8 D_80780000[0x4600];
+extern u8 gPictoPhotoI8[PICTO_PHOTO_SIZE];
 extern u8 D_80784600[0x56200];
 extern u16 gFramebuffer0[SCREEN_HEIGHT][SCREEN_WIDTH];
 
diff --git a/include/z64.h b/include/z64.h
index edc8e5bbf..b8a3ac01e 100644
--- a/include/z64.h
+++ b/include/z64.h
@@ -987,7 +987,9 @@ struct PlayState {
     /* 0x18B4C */ PreRender pauseBgPreRender;
     /* 0x18B9C */ char unk_18B9C[0x2B8];
     /* 0x18E54 */ SceneTableEntry* loadedScene;
-    /* 0x18E58 */ char unk_18E58[0x10];
+    /* 0x18E58 */ char unk_18E58[0x4];
+    /* 0x18E5C */ TexturePtr pictoPhotoI8;
+    /* 0x18E60 */ char unk_18E60[0x8];
     /* 0x18E68 */ void* unk_18E68;
     /* 0x18E6C */ char unk_18E6C[0x3EC];
 }; // size = 0x19258
diff --git a/include/z64actor.h b/include/z64actor.h
index 3af22c4e9..ce6cfe321 100644
--- a/include/z64actor.h
+++ b/include/z64actor.h
@@ -310,7 +310,7 @@ typedef enum {
 
 #define ACTORCTX_FLAG_0 (1 << 0)
 #define ACTORCTX_FLAG_1 (1 << 1)
-#define ACTORCTX_FLAG_2 (1 << 2)
+#define ACTORCTX_FLAG_PICTO_BOX_ON (1 << 2)
 #define ACTORCTX_FLAG_3 (1 << 3)
 #define ACTORCTX_FLAG_4 (1 << 4)
 #define ACTORCTX_FLAG_5 (1 << 5)
diff --git a/include/z64interface.h b/include/z64interface.h
index cd17b1267..385f80835 100644
--- a/include/z64interface.h
+++ b/include/z64interface.h
@@ -5,6 +5,60 @@
 #include "z64view.h"
 
 typedef enum {
+    /* 0 */ A_BTN_STATE_0,
+    /* 1 */ A_BTN_STATE_1,
+    /* 2 */ A_BTN_STATE_2,
+    /* 3 */ A_BTN_STATE_3,
+    /* 4 */ A_BTN_STATE_4
+} AButtonState;
+
+typedef enum {
+    /* 0x00 */ DO_ACTION_ATTACK,
+    /* 0x01 */ DO_ACTION_CHECK,
+    /* 0x02 */ DO_ACTION_ENTER,
+    /* 0x03 */ DO_ACTION_RETURN,
+    /* 0x04 */ DO_ACTION_OPEN,
+    /* 0x05 */ DO_ACTION_JUMP,
+    /* 0x06 */ DO_ACTION_DECIDE,
+    /* 0x07 */ DO_ACTION_DIVE,
+    /* 0x08 */ DO_ACTION_FASTER,
+    /* 0x09 */ DO_ACTION_THROW,
+    /* 0x0A */ DO_ACTION_NONE,  // in do_action_static, the texture at this position is NAVI, however this value is in practice the "No Action" value
+    /* 0x0B */ DO_ACTION_CLIMB,
+    /* 0x0C */ DO_ACTION_DROP,
+    /* 0x0D */ DO_ACTION_DOWN,
+    /* 0x0E */ DO_ACTION_QUIT,
+    /* 0x0F */ DO_ACTION_SPEAK,
+    /* 0x10 */ DO_ACTION_NEXT,
+    /* 0x11 */ DO_ACTION_GRAB,
+    /* 0x12 */ DO_ACTION_STOP,
+    /* 0x13 */ DO_ACTION_PUTAWAY,
+    /* 0x14 */ DO_ACTION_REEL,
+    /* 0x15 */ DO_ACTION_INFO,
+    /* 0x16 */ DO_ACTION_WARP,
+    /* 0x17 */ DO_ACTION_SNAP,
+    /* 0x18 */ DO_ACTION_EXPLODE,
+    /* 0x19 */ DO_ACTION_DANCE,
+    /* 0x1A */ DO_ACTION_MARCH,
+    /* 0x1B */ DO_ACTION_1,
+    /* 0x1C */ DO_ACTION_2,
+    /* 0x1D */ DO_ACTION_3,
+    /* 0x1E */ DO_ACTION_4,
+    /* 0x1F */ DO_ACTION_5,
+    /* 0x20 */ DO_ACTION_6,
+    /* 0x21 */ DO_ACTION_7,
+    /* 0x22 */ DO_ACTION_8,
+    /* 0x23 */ DO_ACTION_CURL,
+    /* 0x24 */ DO_ACTION_SURFACE,
+    /* 0x25 */ DO_ACTION_SWIM,
+    /* 0x26 */ DO_ACTION_PUNCH,
+    /* 0x27 */ DO_ACTION_POUND,
+    /* 0x28 */ DO_ACTION_HOOK,
+    /* 0x29 */ DO_ACTION_SHOOT,
+    /* 0x2A */ DO_ACTION_MAX
+} DoAction;
+
+typedef enum {
     /*  0 */ MINIGAME_STATE_NONE,
     /*  1 */ MINIGAME_STATE_COUNTDOWN_SETUP_3,
     /*  2 */ MINIGAME_STATE_COUNTDOWN_3,
@@ -39,6 +93,27 @@ typedef enum {
 #define PERFECT_LETTERS_NUM_LETTERS 8
 #define PERFECT_LETTERS_ANGLE_PER_LETTER (0x10000 / PERFECT_LETTERS_NUM_LETTERS)
 
+typedef enum {
+    /* 0 */ STORY_DMA_IDLE,
+    /* 1 */ STORY_DMA_LOADING,
+    /* 2 */ STORY_DMA_DONE
+} StoryLoadStatus;
+
+typedef enum {
+    /* 0 */ STORY_STATE_OFF,
+    /* 1 */ STORY_STATE_INIT,
+    /* 2 */ STORY_STATE_IDLE,
+    /* 3 */ STORY_STATE_DESTROY,
+    /* 4 */ STORY_STATE_SETUP_IDLE,
+    /* 5 */ STORY_STATE_FADE_OUT,
+    /* 6 */ STORY_STATE_FADE_IN
+} StoryState;
+
+typedef enum {
+    /* 0 */ STORY_TYPE_MASK_FESTIVAL,
+    /* 1 */ STORY_TYPE_GIANTS_LEAVING
+} StoryType;
+
 typedef struct {
     /* 0x000 */ View view;
     /* 0x168 */ Vtx* actionVtx;
@@ -47,17 +122,16 @@ typedef struct {
     /* 0x174 */ u8* doActionSegment;
     /* 0x178 */ u8* iconItemSegment;
     /* 0x17C */ u8* mapSegment;
-    /* 0x180 */ u8* unk_180;
-    /* 0x184 */ DmaRequest dmaRequest_184;
-    /* 0x1A4 */ DmaRequest dmaRequest_1A4;
-    /* 0x1C4 */ DmaRequest dmaRequest_1C4;
+    /* 0x180 */ u8* unk_180; // unused segment?
+    /* 0x184 */ DmaRequest dmaRequest;
+    /* 0x1A4 */ UNK_TYPE1 unk_1A4[0x40]; // likely 2 DmaRequest
     /* 0x1E4 */ OSMesgQueue loadQueue;
     /* 0x1FC */ OSMesg loadMsg;
     /* 0x200 */ Viewport viewport;
-    /* 0x210 */ s16 unk_210;
+    /* 0x210 */ s16 aButtonState;
     /* 0x212 */ u16 unk_212;
-    /* 0x214 */ u16 unk_214;
-    /* 0x218 */ f32 unk_218;
+    /* 0x214 */ u16 aButtonDoAction;
+    /* 0x218 */ f32 aButtonRoll;
     /* 0x21C */ s16 unk_21C;
     /* 0x21E */ s16 bButtonDoAction;
     /* 0x220 */ s16 unk_220;
@@ -74,7 +148,7 @@ typedef struct {
     /* 0x246 */ s16 heartsEnvG[2];
     /* 0x24A */ s16 heartsEnvB[2];
     /* 0x24E */ s16 health;
-    /* 0x250 */ s16 unkTimer;
+    /* 0x250 */ s16 healthTimer;
     /* 0x252 */ s16 lifeSizeChange;
     /* 0x254 */ s16 lifeSizeChangeDirection; // 1 means shrinking, 0 growing
     /* 0x256 */ s16 unk_256;
@@ -84,7 +158,7 @@ typedef struct {
     /* 0x25E */ u16 minigameHiddenPoints; // Points to add to the secondary set of minigame points not displayed. Reset to 0 every frame.
     /* 0x260 */ u16 minigameAmmo;
     /* 0x262 */ u16 minigameUnusedPoints; // Associated with other minigame points, unused
-    /* 0x264 */ s16 unk_264;
+    /* 0x264 */ s16 screenFillAlpha;
     /* 0x266 */ s16 aAlpha;
     /* 0x268 */ s16 bAlpha;
     /* 0x26A */ s16 cLeftAlpha;
@@ -116,27 +190,27 @@ typedef struct {
     /* 0x30A */ s16 perfectLettersColorTimer;
     /* 0x30C */ s16 perfectLettersTimer;
     struct {
-        /* 0x30E */ u8 unk_30E; // "h_gauge"
+        /* 0x30E */ u8 hGauge;
         /* 0x30F */ u8 bButton;
         /* 0x310 */ u8 aButton;
-        /* 0x311 */ u8 tradeItems;
-        /* 0x312 */ u8 unk_312;
-        /* 0x313 */ u8 unk_313;
-        /* 0x314 */ u8 unk_314;
+        /* 0x311 */ u8 tradeItems; // Includes deed trade quest, anju/kafei trade quest, bottles, and ocarina
+        /* 0x312 */ u8 songOfTime;
+        /* 0x313 */ u8 songOfDoubleTime;
+        /* 0x314 */ u8 invSongOfTime;
         /* 0x315 */ u8 songOfSoaring;
         /* 0x316 */ u8 songOfStorms;
-        /* 0x317 */ u8 unk_317;
-        /* 0x318 */ u8 pictographBox;
+        /* 0x317 */ u8 masks;
+        /* 0x318 */ u8 pictoBox;
         /* 0x319 */ u8 all;     // "another"; enables all item restrictions
     } restrictions; // size = 0xC
     /* 0x31A */ u8 storyState;
     /* 0x31B */ u8 storyType;
-    /* 0x31C */ u8 unk_31C;
-    /* 0x320 */ OSMesgQueue unk_320;
-    /* 0x338 */ OSMesg unk_338;
-    /* 0x33C */ void* unk_33C;
-    /* 0x340 */ u32 unk_340;
-    /* 0x344 */ u32 unk_344;
+    /* 0x31C */ u8 storyDmaStatus;
+    /* 0x320 */ OSMesgQueue storyMsgQueue;
+    /* 0x338 */ OSMesg storyMsgBuf;
+    /* 0x33C */ u8* storySegment;
+    /* 0x340 */ uintptr_t storyAddr;
+    /* 0x344 */ size_t storySize;
 } InterfaceContext; // size = 0x348
 
 #endif
diff --git a/include/z64item.h b/include/z64item.h
index 8110a3dd4..d1d36ebba 100644
--- a/include/z64item.h
+++ b/include/z64item.h
@@ -9,7 +9,8 @@
 typedef enum {
     /* 0 */ EQUIP_TYPE_SWORD,
     /* 1 */ EQUIP_TYPE_SHIELD,
-    /* 2 */ EQUIP_TYPE_MAX
+    /* 2 */ EQUIP_TYPE_TUNIC, // Remnant of OoT
+    /* 3 */ EQUIP_TYPE_MAX
 } EquipmentType;
 
 typedef enum {
@@ -29,6 +30,14 @@ typedef enum {
 } EquipValueShield;
 
 typedef enum {
+    /* 0 */ EQUIP_VALUE_TUNIC_NONE,
+    /* 1 */ EQUIP_VALUE_TUNIC_KOKIRI,
+    /* 2 */ EQUIP_VALUE_TUNIC_GORON,
+    /* 3 */ EQUIP_VALUE_TUNIC_ZORA,
+    /* 4 */ EQUIP_VALUE_TUNIC_MAX
+} EquipValueTunic; // Remnant of OoT
+
+typedef enum {
     /* 0 */ UPG_QUIVER,
     /* 1 */ UPG_BOMB_BAG,
     /* 2 */ UPG_STRENGTH,
diff --git a/include/z64player.h b/include/z64player.h
index 21a1c0ca4..e99b261ce 100644
--- a/include/z64player.h
+++ b/include/z64player.h
@@ -72,12 +72,12 @@ typedef enum PlayerMask {
 } PlayerMask;
 
 typedef enum {
-    /* 0 */ PLAYER_ENV_TIMER_NONE,
-    /* 1 */ PLAYER_ENV_TIMER_HOTROOM,
-    /* 2 */ PLAYER_ENV_TIMER_UNDERWATER_FLOOR,
-    /* 3 */ PLAYER_ENV_TIMER_SWIMMING,
-    /* 4 */ PLAYER_ENV_TIMER_UNDERWATER_FREE
-} PlayerEnvTimerType;
+    /* 0 */ PLAYER_ENV_HAZARD_NONE,
+    /* 1 */ PLAYER_ENV_HAZARD_HOTROOM,
+    /* 2 */ PLAYER_ENV_HAZARD_UNDERWATER_FLOOR,
+    /* 3 */ PLAYER_ENV_HAZARD_SWIMMING,
+    /* 4 */ PLAYER_ENV_HAZARD_UNDERWATER_FREE
+} PlayerEnvHazard;
 
 typedef enum PlayerItemAction {
     /*   -1 */ PLAYER_IA_MINUS1 = -1,
diff --git a/include/z64save.h b/include/z64save.h
index d694327ff..f9083144d 100644
--- a/include/z64save.h
+++ b/include/z64save.h
@@ -55,6 +55,14 @@ typedef enum {
 #define MAGIC_NORMAL_METER 0x30
 #define MAGIC_DOUBLE_METER (2 * MAGIC_NORMAL_METER)
 
+// See `R_MAGIC_DBG_SET_UPGRADE`
+#define MAGIC_DBG_SET_UPGRADE_NO_ACTION 0
+#define MAGIC_DBG_SET_UPGRADE_NORMAL_METER -1
+#define MAGIC_DBG_SET_UPGRADE_DOUBLE_METER 1
+
+#define ENV_HAZARD_TEXT_TRIGGER_HOTROOM (1 << 0)
+#define ENV_HAZARD_TEXT_TRIGGER_UNDERWATER (1 << 1)
+
 #define SECONDS_TO_TIMER(seconds) ((seconds) * 100)
 
 #define OSTIME_TO_TIMER(osTime) ((osTime) * 64 / 3000 / 10000)
@@ -69,7 +77,7 @@ typedef enum {
     /*  2 */ TIMER_ID_2,
     /*  3 */ TIMER_ID_MOON_CRASH, // timer used for mooncrash on the clocktower roof
     /*  4 */ TIMER_ID_MINIGAME_2, // minigame timer
-    /*  5 */ TIMER_ID_ENV, // environmental timer (underwater or hot room)
+    /*  5 */ TIMER_ID_ENV_HAZARD, // environmental hazard timer (underwater or hot room)
     /*  6 */ TIMER_ID_GORON_RACE_UNUSED,
     /*  7 */ TIMER_ID_MAX,
     /* 99 */ TIMER_ID_NONE = 99,
@@ -89,7 +97,7 @@ typedef enum {
     /*  5 */ TIMER_STATE_STOP,
     /*  6 */ TIMER_STATE_6, // like `TIMER_STATE_STOP` but with extra minigame checks
     /*  7 */ TIMER_STATE_7, // stopped but still update `timerCurTimes`
-    /*  8 */ TIMER_STATE_ENV_START,
+    /*  8 */ TIMER_STATE_ENV_HAZARD_START,
     /*  9 */ TIMER_STATE_ALT_START,
     /* 10 */ TIMER_STATE_10, // precursor to `TIMER_STATE_ALT_COUNTING`
     /* 11 */ TIMER_STATE_ALT_COUNTING,
@@ -139,6 +147,15 @@ typedef enum {
     /* 52 */ HUD_VISIBILITY_NONE_INSTANT = 52
 } HudVisibility;
 
+#define PICTO_PHOTO_WIDTH 160
+#define PICTO_PHOTO_HEIGHT 112
+
+#define PICTO_PHOTO_TOPLEFT_X ((SCREEN_WIDTH - PICTO_PHOTO_WIDTH) / 2)
+#define PICTO_PHOTO_TOPLEFT_Y ((SCREEN_HEIGHT - PICTO_PHOTO_HEIGHT) / 2)
+
+#define PICTO_PHOTO_SIZE (PICTO_PHOTO_WIDTH * PICTO_PHOTO_HEIGHT)
+#define PICTO_PHOTO_COMPRESSED_SIZE (PICTO_PHOTO_SIZE * 5 / 8)
+
 typedef struct SramContext {
     /* 0x00 */ u8* readBuff;
     /* 0x04 */ u8 *saveBuf;
@@ -304,7 +321,7 @@ typedef struct SaveContext {
     /* 0x1050 */ u64 bottleTimerTimeLimits[BOTTLE_MAX]; // The original total time given before the timer expires, in centiseconds (1/100th sec). "bottle_sub"
     /* 0x1080 */ u64 bottleTimerCurTimes[BOTTLE_MAX]; // The remaining time left before the timer expires, in centiseconds (1/100th sec). "bottle_time"
     /* 0x10B0 */ OSTime bottleTimerPausedOsTimes[BOTTLE_MAX]; // The cumulative osTime spent with the timer paused. "bottle_stop_time"
-    /* 0x10E0 */ u64 pictoPhoto[1400];                  // buffer containing the pictograph photo
+    /* 0x10E0 */ u8 pictoPhotoI5[PICTO_PHOTO_COMPRESSED_SIZE]; // buffer containing the pictograph photo, compressed to I5 from I8
     /* 0x3CA0 */ s32 fileNum;                           // "file_no"
     /* 0x3CA4 */ s16 powderKegTimer;                    // "big_bom_timer"
     /* 0x3CA6 */ u8 unk_3CA6;
@@ -318,7 +335,7 @@ typedef struct SaveContext {
     /* 0x3DBA */ u8 unk_3DBA;                           // "player_wipe_item"
     /* 0x3DBB */ u8 unk_3DBB;                           // "next_walk"
     /* 0x3DBC */ s16 dogParams;                         // "dog_flag"
-    /* 0x3DBE */ u8 textTriggerFlags;                   // "guide_status"
+    /* 0x3DBE */ u8 envHazardTextTriggerFlags;          // "guide_status"
     /* 0x3DBF */ u8 showTitleCard;                      // "name_display"
     /* 0x3DC0 */ s16 unk_3DC0;                          // "shield_magic_timer"
     /* 0x3DC2 */ u8 unk_3DC2;                           // "pad1"
@@ -607,7 +624,7 @@ typedef enum SunsSongState {
 
 #define WEEKEVENTREG_14_02 PACK_WEEKEVENTREG_FLAG(14, 0x02)
 #define WEEKEVENTREG_14_04 PACK_WEEKEVENTREG_FLAG(14, 0x04)
-#define WEEKEVENTREG_14_08 PACK_WEEKEVENTREG_FLAG(14, 0x08)
+#define WEEKEVENTREG_DRANK_CHATEAU_ROMANI PACK_WEEKEVENTREG_FLAG(14, 0x08)
 #define WEEKEVENTREG_14_10 PACK_WEEKEVENTREG_FLAG(14, 0x10)
 #define WEEKEVENTREG_14_20 PACK_WEEKEVENTREG_FLAG(14, 0x20)
 #define WEEKEVENTREG_14_40 PACK_WEEKEVENTREG_FLAG(14, 0x40)