diff --git a/asm/contest_link_80F57C4.s b/asm/contest_link_80F57C4.s
index b869adf1b..ec962c71d 100644
--- a/asm/contest_link_80F57C4.s
+++ b/asm/contest_link_80F57C4.s
@@ -578,10 +578,10 @@ _080F5D58:
 	adds r0, r5, 0
 	movs r1, 0
 	bl VarSet
-	bl sub_8076D5C
+	bl SetContinueGameWarpStatusToDynamicWarp
 	movs r0, 0x1
 	bl TrySavingData
-	bl sav2_gender2_inplace_and_xFE
+	bl ClearContinueGameWarpStatus2
 	adds r0, r5, 0
 	adds r1, r4, 0
 	bl VarSet
@@ -5598,7 +5598,7 @@ _080F874C:
 	movs r3, 0x1
 	negs r3, r3
 	movs r0, 0
-	bl saved_warp2_set
+	bl SetDynamicWarp
 	bl ScriptContext2_Disable
 	bl EnableBothScriptContexts
 _080F877E:
diff --git a/asm/rom_8011DC0.s b/asm/rom_8011DC0.s
index b90c9701e..e6751247b 100644
--- a/asm/rom_8011DC0.s
+++ b/asm/rom_8011DC0.s
@@ -15686,7 +15686,7 @@ _0801EB04:
 	lsls r0, 24
 	cmp r0, 0
 	bne _0801EBC2
-	bl sub_8076D5C
+	bl SetContinueGameWarpStatusToDynamicWarp
 	movs r0, 0
 	bl TrySavingData
 	ldr r0, =gUnknown_02022C84
@@ -15713,7 +15713,7 @@ _0801EB40:
 	bne _0801EBC2
 	movs r0, 0x37
 	bl PlaySE
-	bl sav2_gender2_inplace_and_xFE
+	bl ClearContinueGameWarpStatus2
 	ldr r0, =gUnknown_02022C84
 	ldr r1, [r0]
 	movs r0, 0xA
@@ -20568,7 +20568,7 @@ _080211EC:
 	beq _080211F8
 	b _08021302
 _080211F8:
-	bl sub_81971D0
+	bl InitStandardTextBoxWindows
 	bl sub_8197200
 	adds r0, r5, 0
 	bl sub_8022588
@@ -39128,7 +39128,7 @@ _0802A7CE:
 	movs r1, 0
 	movs r2, 0
 	bl ChangeBgY
-	bl sub_81971D0
+	bl InitStandardTextBoxWindows
 	bl sub_8197200
 	movs r1, 0x82
 	lsls r1, 5
diff --git a/asm/trade.s b/asm/trade.s
index e8ce28810..eb2d22b06 100644
--- a/asm/trade.s
+++ b/asm/trade.s
@@ -13851,7 +13851,7 @@ _0807EDCE:
 	movs r0, 0x2
 	bl sub_801B990
 _0807EDF6:
-	bl sub_8076D5C
+	bl SetContinueGameWarpStatusToDynamicWarp
 	bl sub_8153380
 	ldr r1, =gMain
 	movs r2, 0x87
@@ -13884,7 +13884,7 @@ _0807EE38:
 	lsrs r1, r0, 24
 	cmp r1, 0
 	beq _0807EE5C
-	bl sav2_gender2_inplace_and_xFE
+	bl ClearContinueGameWarpStatus2
 	ldr r0, =gMain
 	movs r1, 0x87
 	lsls r1, 3
diff --git a/asm/trainer_card.s b/asm/trainer_card.s
index 10e4d6d8f..d0f26e0e1 100644
--- a/asm/trainer_card.s
+++ b/asm/trainer_card.s
@@ -4971,7 +4971,7 @@ _080C5204:
 	b _080C52C8
 _080C5214:
 	str r4, [r0]
-	bl sav1_map_get_name
+	bl GetCurrentRegionMapSectionId
 	lsls r0, 24
 	lsrs r4, r0, 24
 	cmp r4, 0x3A
@@ -7780,7 +7780,7 @@ sub_80C6974: @ 80C6974
 	adds r1, r6
 	ldrb r1, [r1, 0xC]
 	bl StartSpriteAnim
-	bl sav1_map_get_name
+	bl GetCurrentRegionMapSectionId
 	lsls r0, 24
 	lsrs r5, r0, 24
 	cmp r5, 0x3A
diff --git a/include/constants/songs.h b/include/constants/songs.h
index 58a8e725c..a459edd24 100644
--- a/include/constants/songs.h
+++ b/include/constants/songs.h
@@ -536,6 +536,6 @@
 #define PH_NURSE_HELD 608
 #define PH_NURSE_SOLO 609
 
-#define MUS_ROUTE_118 0x7FFF  // What is this for?
+#define MUS_ROUTE_118 0x7FFF  // map is split into 2 music sections. controlled by GetCurrLocationDefaultMusic().
 
 #endif  // GUARD_CONSTANTS_SONGS_H
diff --git a/include/global.h b/include/global.h
index 090ba7ce4..4656f3968 100644
--- a/include/global.h
+++ b/include/global.h
@@ -521,7 +521,7 @@ struct SaveBlock2
 {
     /*0x00*/ u8 playerName[PLAYER_NAME_LENGTH + 1];
     /*0x08*/ u8 playerGender; // MALE, FEMALE
-    /*0x09*/ u8 specialSaveWarp;
+    /*0x09*/ u8 specialSaveWarpFlags;
     /*0x0A*/ u8 playerTrainerId[4];
     /*0x0E*/ u16 playTimeHours;
     /*0x10*/ u8 playTimeMinutes;
@@ -889,10 +889,10 @@ struct SaveBlock1
 {
     /*0x00*/ struct Coords16 pos;
     /*0x04*/ struct WarpData location;
-    /*0x0C*/ struct WarpData warp1;
-    /*0x14*/ struct WarpData warp2;
-    /*0x1C*/ struct WarpData lastHealLocation;
-    /*0x24*/ struct WarpData warp4;
+    /*0x0C*/ struct WarpData continueGameWarp;
+    /*0x14*/ struct WarpData dynamicWarp;
+    /*0x1C*/ struct WarpData lastHealLocation; // used by white-out and teleport
+    /*0x24*/ struct WarpData escapeWarp; // used by Dig and Escape Rope
     /*0x2C*/ u16 savedMusic;
     /*0x2E*/ u8 weather;
     /*0x2F*/ u8 weatherCycleStage;
diff --git a/include/load_save.h b/include/load_save.h
index c64a1179b..bf50bffd7 100644
--- a/include/load_save.h
+++ b/include/load_save.h
@@ -15,11 +15,11 @@ void ClearSav2(void);
 void ClearSav1(void);
 void SetSaveBlocksPointers(u16 offset);
 void MoveSaveBlocks_ResetHeap(void);
-u32 GetSecretBase2Field_9(void);
-void ClearSecretBase2Field_9(void);
-void SetSecretBase2Field_9(void);
-void sub_8076D5C(void);
-void sav2_gender2_inplace_and_xFE(void);
+u32 UseContinueGameWarp(void);
+void ClearContinueGameWarpStatus(void);
+void SetContinueGameWarpStatus(void);
+void SetContinueGameWarpStatusToDynamicWarp(void);
+void ClearContinueGameWarpStatus2(void);
 void SavePlayerParty(void);
 void LoadPlayerParty(void);
 void SaveEventObjects(void);
diff --git a/include/menu.h b/include/menu.h
index 9b2341e58..aca462468 100644
--- a/include/menu.h
+++ b/include/menu.h
@@ -20,7 +20,8 @@ struct MenuAction
 
 extern const u16 gUnknown_0860F074[];
 
-void sub_81971D0(void);
+void FreeAllOverworldWindowBuffers(void);
+void InitStandardTextBoxWindows(void);
 void sub_8197200(void);
 u16 RunTextPrintersAndIsPrinter0Active(void);
 void sub_81973A4(void);
diff --git a/include/overworld.h b/include/overworld.h
index 1f53662b3..f62a5136d 100644
--- a/include/overworld.h
+++ b/include/overworld.h
@@ -46,28 +46,25 @@ void Overworld_SetEventObjTemplateCoords(u8 localId, s16 x, s16 y);
 void Overworld_SetEventObjTemplateMovementType(u8 localId, u8 movementType);
 const struct MapLayout *GetMapLayout(void);
 void ApplyCurrentWarp(void);
-void set_warp2_warp3_to_neg_1(void);
 struct MapHeader const *const Overworld_GetMapHeaderByGroupAndId(u16 mapGroup, u16 mapNum);
 struct MapHeader const *const GetDestinationWarpMapHeader(void);
 void WarpIntoMap(void);
-void Overworld_SetWarpDestination(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y);
-void warp1_set_2(s8 mapGroup, s8 mapNum, s8 warpId);
-void saved_warp2_set(s32 unused, s8 mapGroup, s8 mapNum, s8 warpId);
-void saved_warp2_set_2(s32 unused, s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y);
-void copy_saved_warp2_bank_and_enter_x_to_warp1(u8 unused);
-void sub_8084CCC(u8 a1);
-void Overworld_SetWarpDestToLastHealLoc(void);
-void Overworld_SetHealLocationWarp(u8 healLocationId);
-void sub_8084D5C(s16 a1, s16 a2);
-void sub_8084DD4(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y);
-void sub_8084E14(void);
+void SetWarpDestination(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y);
+void SetWarpDestinationToMapWarp(s8 mapGroup, s8 mapNum, s8 warpId);
+void SetDynamicWarp(s32 unused, s8 mapGroup, s8 mapNum, s8 warpId);
+void SetDynamicWarpWithCoords(s32 unused, s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y);
+void SetWarpDestinationToDynamicWarp(u8 unused);
+void SetWarpDestinationToHealLocation(u8 a1);
+void SetWarpDestinationToLastHealLocation(void);
+void SetLastHealLocationWarp(u8 healLocationId);
+void sub_8084D5C(s16 x, s16 y);
+void SetEscapeWarp(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y);
+void SetWarpDestinationToEscapeWarp(void);
 void SetFixedDiveWarp(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y);
 void SetFixedHoleWarp(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y);
-void SetFixedHoleWarpAsDestination(s16 x, s16 y);
-void warp1_set_to_sav1w(void);
-void sub_8084F2C(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y);
-void sub_8084F6C(u8 a1);
-void sub_8084FAC(int unused);
+void SetWarpDestinationToFixedHoleWarp(s16 x, s16 y);
+void SetContinueGameWarpToHealLocation(u8 a1);
+void SetContinueGameWarpToDynamicWarp(int unused);
 const struct MapConnection *GetMapConnection(u8 dir);
 bool8 SetDiveWarpEmerge(u16 x, u16 y);
 bool8 SetDiveWarpDive(u16 x, u16 y);
@@ -78,7 +75,7 @@ bool32 Overworld_IsBikingAllowed(void);
 void SetDefaultFlashLevel(void);
 void Overworld_SetFlashLevel(s32 flashLevel);
 u8 Overworld_GetFlashLevel(void);
-void sub_8085524(u16 mapLayoutId);
+void SetCurrentMapLayout(u16 mapLayoutId);
 void sub_8085540(u8 var);
 u8 sub_808554C(void);
 u16 GetLocationMusic(struct WarpData *warp);
@@ -97,15 +94,15 @@ void Overworld_FadeOutMapMusic(void);
 void UpdateAmbientCry(s16 *state, u16 *delayCounter);
 u8 GetMapTypeByGroupAndId(s8 mapGroup, s8 mapNum);
 u8 GetMapTypeByWarpData(struct WarpData *warp);
-u8 Overworld_GetMapTypeOfSaveblockLocation(void);
+u8 GetCurrentMapType(void);
 u8 GetLastUsedWarpMapType(void);
 bool8 is_map_type_1_2_3_5_or_6(u8 mapType);
 bool8 Overworld_MapTypeAllowsTeleportAndFly(u8 mapType);
 bool8 Overworld_MapTypeIsIndoors(u8 mapType);
-u8 sav1_saved_warp2_map_get_name(void);
-u8 sav1_map_get_name(void);
+u8 GetSavedWarpRegionMapSectionId(void);
+u8 GetCurrentRegionMapSectionId(void);
 u8 GetCurrentMapBattleScene(void);
-void overworld_free_bg_tilemaps(void);
+void CleanupOverworldWindowsAndTilemaps(void);
 bool32 is_c1_link_related_active(void);
 void CB1_Overworld(void);
 void CB2_OverworldBasic(void);
diff --git a/include/save_location.h b/include/save_location.h
index 71dbd3fd8..c330124ad 100644
--- a/include/save_location.h
+++ b/include/save_location.h
@@ -1,6 +1,12 @@
 #ifndef GUARD_SAVE_LOCATION_H
 #define GUARD_SAVE_LOCATION_H
 
+// specialSaveWarp flags
+#define CONTINUE_GAME_WARP           (1 << 0)
+#define POKECENTER_SAVEWARP          (1 << 1)
+#define LOBBY_SAVEWARP               (1 << 2)
+#define UNK_SPECIAL_SAVE_WARP_FLAG_3 (1 << 3)
+
 void TrySetMapSaveWarpStatus(void);
 void sub_81AFDA0(void);
 void sub_81AFDD0(void);
diff --git a/src/battle_arena.c b/src/battle_arena.c
index 14f86c882..fb95e64d4 100644
--- a/src/battle_arena.c
+++ b/src/battle_arena.c
@@ -784,7 +784,7 @@ static void sub_81A58B4(void)
     if (!isCurrent)
         gSaveBlock2Ptr->frontier.arenaWinStreaks[lvlMode] = 0;
 
-    saved_warp2_set(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
+    SetDynamicWarp(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
     gTrainerBattleOpponent_A = 0;
 }
 
diff --git a/src/battle_dome.c b/src/battle_dome.c
index 8645eb76b..00ae84d09 100644
--- a/src/battle_dome.c
+++ b/src/battle_dome.c
@@ -2388,7 +2388,7 @@ static void sub_818E9CC(void)
     if (!(gSaveBlock2Ptr->frontier.field_CDC & gUnknown_0860D0EC[battleMode][lvlMode]))
         gSaveBlock2Ptr->frontier.domeWinStreaks[battleMode][lvlMode] = 0;
 
-    saved_warp2_set(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
+    SetDynamicWarp(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
     gTrainerBattleOpponent_A = 0;
 }
 
diff --git a/src/battle_factory.c b/src/battle_factory.c
index 419408695..0445d5dea 100644
--- a/src/battle_factory.c
+++ b/src/battle_factory.c
@@ -202,7 +202,7 @@ static void sub_81A5E94(void)
     for (i = 0; i < 3; i++)
         gUnknown_03006298[i] |= 0xFFFF;
 
-    saved_warp2_set(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
+    SetDynamicWarp(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
     gTrainerBattleOpponent_A = 0;
 }
 
diff --git a/src/battle_palace.c b/src/battle_palace.c
index 4033712b6..fb8cc0729 100644
--- a/src/battle_palace.c
+++ b/src/battle_palace.c
@@ -69,7 +69,7 @@ static void sub_8195980(void)
     if (!(gSaveBlock2Ptr->frontier.field_CDC & gUnknown_0860DE98[battleMode][lvlMode]))
         gSaveBlock2Ptr->frontier.palaceWinStreaks[battleMode][lvlMode] = 0;
 
-    saved_warp2_set(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
+    SetDynamicWarp(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
     gTrainerBattleOpponent_A = 0;
 }
 
diff --git a/src/battle_pyramid_bag.c b/src/battle_pyramid_bag.c
index 12f631155..50baf48fd 100644
--- a/src/battle_pyramid_bag.c
+++ b/src/battle_pyramid_bag.c
@@ -365,7 +365,7 @@ static void sub_81C4F44(u8 taskId)
 {
     if (!gPaletteFade.active)
     {
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         gFieldCallback2 = hm_add_c3_without_phase_2;
         sub_81C4F98(3, CB2_ReturnToField);
         DestroyTask(taskId);
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 67e9a0b1a..2490d6e13 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -10138,7 +10138,7 @@ static void atkEF_handleballthrow(void)
                     ballMultiplier = 10;
                 break;
             case ITEM_DIVE_BALL:
-                if (Overworld_GetMapTypeOfSaveblockLocation() == MAP_TYPE_UNDERWATER)
+                if (GetCurrentMapType() == MAP_TYPE_UNDERWATER)
                     ballMultiplier = 35;
                 else
                     ballMultiplier = 10;
diff --git a/src/battle_setup.c b/src/battle_setup.c
index 55ee331cd..21386016f 100644
--- a/src/battle_setup.c
+++ b/src/battle_setup.c
@@ -349,7 +349,7 @@ static void Task_BattleStart(u8 taskId)
     case 1:
         if (IsBattleTransitionDone() == TRUE)
         {
-            overworld_free_bg_tilemaps();
+            CleanupOverworldWindowsAndTilemaps();
             SetMainCallback2(CB2_InitBattle);
             RestartWildEncounterImmunitySteps();
             ClearPoisonStepCounter();
diff --git a/src/battle_tent.c b/src/battle_tent.c
index c358deaa5..de4d9d374 100644
--- a/src/battle_tent.c
+++ b/src/battle_tent.c
@@ -100,7 +100,7 @@ static void sub_81B99D4(void)
     gSaveBlock2Ptr->frontier.field_CA8 = 0;
     gSaveBlock2Ptr->frontier.curChallengeBattleNum = 0;
     gSaveBlock2Ptr->frontier.field_CA9_a = FALSE;
-    saved_warp2_set(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
+    SetDynamicWarp(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
 }
 
 static void sub_81B9A28(void)
@@ -162,7 +162,7 @@ static void sub_81B9BA0(void)
     gSaveBlock2Ptr->frontier.field_CA8 = 0;
     gSaveBlock2Ptr->frontier.curChallengeBattleNum = 0;
     gSaveBlock2Ptr->frontier.field_CA9_a = FALSE;
-    saved_warp2_set(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
+    SetDynamicWarp(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
 }
 
 static void sub_81B9BF4(void)
@@ -217,7 +217,7 @@ static void sub_81B9D28(void)
     gSaveBlock2Ptr->frontier.field_CA8 = 0;
     gSaveBlock2Ptr->frontier.curChallengeBattleNum = 0;
     gSaveBlock2Ptr->frontier.field_CA9_a = FALSE;
-    saved_warp2_set(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
+    SetDynamicWarp(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
 }
 
 static void sub_81B9D7C(void)
diff --git a/src/battle_tower.c b/src/battle_tower.c
index 12fde44f7..2bb0352a8 100644
--- a/src/battle_tower.c
+++ b/src/battle_tower.c
@@ -1163,7 +1163,7 @@ static void sub_8161F94(void)
         gSaveBlock2Ptr->frontier.towerWinStreaks[battleMode][lvlMode] = 0;
 
     ValidateBattleTowerRecordChecksums();
-    saved_warp2_set(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
+    SetDynamicWarp(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
     gTrainerBattleOpponent_A = 0;
 }
 
diff --git a/src/cable_club.c b/src/cable_club.c
index 56154d5bf..372329c14 100644
--- a/src/cable_club.c
+++ b/src/cable_club.c
@@ -845,7 +845,7 @@ static void sub_80B32B4(u8 taskId)
             PlayMapChosenOrBattleBGM(MUS_BATTLE20);
 
         sub_80B3260(gSpecialVar_0x8004);
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         gTrainerBattleOpponent_A = 0x800;
         SetMainCallback2(CB2_InitBattle);
         gMain.savedCallback = sub_80B360C;
@@ -911,7 +911,7 @@ static void sub_80B33BC(u8 taskId)
 
         gLinkPlayers[0].linkType = 0x2211;
         sub_80B3260(gSpecialVar_0x8004);
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         gTrainerBattleOpponent_A = 0x800;
         SetMainCallback2(CB2_InitBattle);
         gMain.savedCallback = sub_80B360C;
@@ -1008,7 +1008,7 @@ void sub_80B36EC(void)
         LoadPlayerParty();
         SavePlayerBag();
     }
-    copy_saved_warp2_bank_and_enter_x_to_warp1(0x7F);
+    SetWarpDestinationToDynamicWarp(0x7F);
 }
 
 void sub_80B371C(void)
diff --git a/src/decoration.c b/src/decoration.c
index addca6954..438f2cbd1 100644
--- a/src/decoration.c
+++ b/src/decoration.c
@@ -1131,7 +1131,7 @@ void sub_8127ACC(u8 taskId)
 void sub_8127B04(u8 taskId)
 {
     DrawWholeMapView();
-    Overworld_SetWarpDestination(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1, gTasks[taskId].data[3], gTasks[taskId].data[4]);
+    SetWarpDestination(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1, gTasks[taskId].data[3], gTasks[taskId].data[4]);
     WarpIntoMap();
 }
 
diff --git a/src/easy_chat.c b/src/easy_chat.c
index c4bc02e42..c84895df5 100644
--- a/src/easy_chat.c
+++ b/src/easy_chat.c
@@ -364,7 +364,7 @@ void easy_chat_input_maybe(void)
     default:
         return;
     }
-    overworld_free_bg_tilemaps();
+    CleanupOverworldWindowsAndTilemaps();
     sub_811A20C(gSpecialVar_0x8004, words, CB2_ReturnToFieldContinueScript, sizeParam);
 }
 
@@ -383,7 +383,7 @@ static void sub_811A7E4(void)
         {
             lilycoveLady = &gSaveBlock1Ptr->lilycoveLady;
             lilycoveLady->quiz.unk_016 = -1;
-            overworld_free_bg_tilemaps();
+            CleanupOverworldWindowsAndTilemaps();
             sub_811A8F0();
         }
         return;
diff --git a/src/egg_hatch.c b/src/egg_hatch.c
index a7b3e30b0..c2e57f8b5 100644
--- a/src/egg_hatch.c
+++ b/src/egg_hatch.c
@@ -379,7 +379,7 @@ static void AddHatchedMonToParty(u8 id)
     caughtLvl = 0;
     SetMonData(mon, MON_DATA_MET_LEVEL, &caughtLvl);
 
-    mapNameID = sav1_map_get_name();
+    mapNameID = GetCurrentRegionMapSectionId();
     SetMonData(mon, MON_DATA_MET_LOCATION, &mapNameID);
 
     MonRestorePP(mon);
@@ -471,7 +471,7 @@ static void Task_EggHatch(u8 taskID)
 {
     if (!gPaletteFade.active)
     {
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         SetMainCallback2(CB2_EggHatch_0);
         gFieldCallback = sub_80AF168;
         DestroyTask(taskID);
diff --git a/src/field_control_avatar.c b/src/field_control_avatar.c
index 3774ef2b3..bac0417dc 100644
--- a/src/field_control_avatar.c
+++ b/src/field_control_avatar.c
@@ -28,6 +28,7 @@
 #include "wild_encounter.h"
 #include "constants/bg_event_constants.h"
 #include "constants/map_types.h"
+#include "constants/maps.h"
 #include "constants/songs.h"
 
 extern bool32 sub_8196034(void);
@@ -818,19 +819,19 @@ static void sub_809CEB0(struct MapHeader *unused, s8 warpEventId, struct MapPosi
         warpEvent = &gMapHeader.events->warps[warpEventId];
     }
 
-    if (warpEvent->mapNum == 0x7F)
+    if (warpEvent->mapNum == MAP_NUM(NONE))
     {
-        copy_saved_warp2_bank_and_enter_x_to_warp1(warpEvent->warpId);
+        SetWarpDestinationToDynamicWarp(warpEvent->warpId);
     }
     else
     {
         const struct MapHeader *mapHeader;
 
-        warp1_set_2(warpEvent->mapGroup, warpEvent->mapNum, warpEvent->warpId);
+        SetWarpDestinationToMapWarp(warpEvent->mapGroup, warpEvent->mapNum, warpEvent->warpId);
         sub_8084D5C(position->x, position->y);
         mapHeader = Overworld_GetMapHeaderByGroupAndId(warpEvent->mapGroup, warpEvent->mapNum);
-        if (mapHeader->events->warps[warpEvent->warpId].mapNum == 0x7F)
-            saved_warp2_set(mapHeader->events->warps[warpEventId].warpId, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, warpEventId);
+        if (mapHeader->events->warps[warpEvent->warpId].mapNum == MAP_NUM(NONE))
+            SetDynamicWarp(mapHeader->events->warps[warpEventId].warpId, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, warpEventId);
     }
 }
 
diff --git a/src/field_effect.c b/src/field_effect.c
index 9a65a444b..75104d426 100644
--- a/src/field_effect.c
+++ b/src/field_effect.c
@@ -2171,7 +2171,7 @@ static void EscapeRopeFieldEffect_Step1(struct Task *task)
         if (task->data[14] == 0 && !gPaletteFade.active && BGMusicStopped() == TRUE)
         {
             SetEventObjectDirection(eventObject, task->data[15]);
-            sub_8084E14();
+            SetWarpDestinationToEscapeWarp();
             WarpIntoMap();
             gFieldCallback = mapldr_080859D4;
             SetMainCallback2(CB2_LoadMap);
@@ -2332,7 +2332,7 @@ static void TeleportFieldEffectTask4(struct Task *task)
 
         if (BGMusicStopped() == TRUE)
         {
-            Overworld_SetWarpDestToLastHealLoc();
+            SetWarpDestinationToLastHealLocation();
             WarpIntoMap();
             SetMainCallback2(CB2_LoadMap);
             gFieldCallback = mapldr_08085D88;
@@ -2443,7 +2443,7 @@ static void sub_80B8410(struct Task *task)
 bool8 FldEff_FieldMoveShowMon(void)
 {
     u8 taskId;
-    if (is_map_type_1_2_3_5_or_6(Overworld_GetMapTypeOfSaveblockLocation()) == TRUE)
+    if (is_map_type_1_2_3_5_or_6(GetCurrentMapType()) == TRUE)
     {
         taskId = CreateTask(sub_80B8554, 0xff);
     } else
diff --git a/src/field_message_box.c b/src/field_message_box.c
index 46da9e9e5..5e23b5f6b 100755
--- a/src/field_message_box.c
+++ b/src/field_message_box.c
@@ -8,21 +8,21 @@
 extern bool32 sub_8196094(void);
 extern void sub_8196080(u8*);
 
-EWRAM_DATA u8 gUnknown_020375BC = 0;
+static EWRAM_DATA u8 sFieldMessageBoxMode = 0;
 
-void textbox_fdecode_auto_and_task_add(u8*, int);
-void textbox_auto_and_task_add(void);
+static void textbox_fdecode_auto_and_task_add(u8*, bool32);
+static void textbox_auto_and_task_add(void);
 
-void sub_8098128(void)
+void InitFieldMessageBox(void)
 {
-    gUnknown_020375BC = 0;
+    sFieldMessageBoxMode = 0;
     gTextFlags.canABSpeedUpPrint = 0;
     gTextFlags.useAlternateDownArrow = 0;
     gTextFlags.autoScroll = 0;
     gTextFlags.forceMidTextSpeed = 0;
 }
 
-void sub_8098154(u8 taskId)
+static void sub_8098154(u8 taskId)
 {
     struct Task *task = &gTasks[taskId];
 
@@ -39,18 +39,18 @@ void sub_8098154(u8 taskId)
         case 2:
             if (RunTextPrintersAndIsPrinter0Active() != 1)
             {
-                gUnknown_020375BC = 0;
+                sFieldMessageBoxMode = 0;
                 DestroyTask(taskId);
             }
     }
 }
 
-void task_add_textbox(void)
+static void task_add_textbox(void)
 {
     CreateTask(sub_8098154, 0x50);
 }
 
-void task_del_textbox(void)
+static void task_del_textbox(void)
 {
     u8 taskId = FindTaskIdByFunc(sub_8098154);
     if (taskId != 0xFF)
@@ -59,10 +59,10 @@ void task_del_textbox(void)
 
 bool8 ShowFieldMessage(u8 *str)
 {
-    if (gUnknown_020375BC != 0)
+    if (sFieldMessageBoxMode != 0)
         return FALSE;
     textbox_fdecode_auto_and_task_add(str, 1);
-    gUnknown_020375BC = 2;
+    sFieldMessageBoxMode = 2;
     return TRUE;
 }
 
@@ -70,57 +70,57 @@ void sub_8098214(u8 taskId)
 {
     if (!sub_8196094())
     {
-        gUnknown_020375BC = 0;
+        sFieldMessageBoxMode = 0;
         DestroyTask(taskId);
     }
 }
 
 bool8 sub_8098238(u8 *str)
 {
-    if (gUnknown_020375BC != 0)
+    if (sFieldMessageBoxMode != 0)
         return FALSE;
     StringExpandPlaceholders(gStringVar4, str);
     CreateTask(sub_8098214, 0);
     sub_8196080(str);
-    gUnknown_020375BC = 2;
+    sFieldMessageBoxMode = 2;
     return TRUE;
 }
 
 bool8 ShowFieldAutoScrollMessage(u8 *str)
 {
-    if (gUnknown_020375BC != 0)
+    if (sFieldMessageBoxMode != 0)
         return FALSE;
-    gUnknown_020375BC = 3;
+    sFieldMessageBoxMode = 3;
     textbox_fdecode_auto_and_task_add(str, 0);
     return TRUE;
 }
 
 bool8 sub_80982A0(u8 *str)
 {
-    gUnknown_020375BC = 3;
+    sFieldMessageBoxMode = 3;
     textbox_fdecode_auto_and_task_add(str, 1);
     return TRUE;
 }
 
 bool8 sub_80982B8(void)
 {
-    if (gUnknown_020375BC != 0)
+    if (sFieldMessageBoxMode != 0)
         return FALSE;
-    gUnknown_020375BC = 2;
+    sFieldMessageBoxMode = 2;
     textbox_auto_and_task_add();
     return TRUE;
 }
 
-void textbox_fdecode_auto_and_task_add(u8* str, int a)
+static void textbox_fdecode_auto_and_task_add(u8* str, bool32 allowSkippingDelayWithButtonPress)
 {
     StringExpandPlaceholders(gStringVar4, str);
-    AddTextPrinterForMessage(a);
+    AddTextPrinterForMessage(allowSkippingDelayWithButtonPress);
     task_add_textbox();
 }
 
-void textbox_auto_and_task_add(void)
+static void textbox_auto_and_task_add(void)
 {
-    AddTextPrinterForMessage(1);
+    AddTextPrinterForMessage(TRUE);
     task_add_textbox();
 }
 
@@ -128,17 +128,17 @@ void HideFieldMessageBox(void)
 {
     task_del_textbox();
     sub_8197434(0, 1);
-    gUnknown_020375BC = 0;
+    sFieldMessageBoxMode = 0;
 }
 
 u8 GetFieldMessageBoxMode(void)
 {
-    return gUnknown_020375BC;
+    return sFieldMessageBoxMode;
 }
 
 bool8 IsFieldMessageBoxHidden(void)
 {
-    if (gUnknown_020375BC == 0)
+    if (sFieldMessageBoxMode == 0)
         return TRUE;
     return FALSE;
 }
@@ -147,11 +147,11 @@ void sub_8098358(void)
 {
     task_del_textbox();
     NewMenuHelpers_DrawStdWindowFrame(0, 1);
-    gUnknown_020375BC = 0;
+    sFieldMessageBoxMode = 0;
 }
 
 void sub_8098374(void)
 {
     task_del_textbox();
-    gUnknown_020375BC = 0;
+    sFieldMessageBoxMode = 0;
 }
diff --git a/src/field_screen_effect.c b/src/field_screen_effect.c
index a6b7e7c24..62a3d0335 100644
--- a/src/field_screen_effect.c
+++ b/src/field_screen_effect.c
@@ -89,7 +89,7 @@ static void palette_bg_faded_fill_black(void)
 void pal_fill_for_maplights(void)
 {
     u8 previousMapType = GetLastUsedWarpMapType();
-    switch (GetMapPairFadeFromType(previousMapType, Overworld_GetMapTypeOfSaveblockLocation()))
+    switch (GetMapPairFadeFromType(previousMapType, GetCurrentMapType()))
     {
     case 0:
         palette_bg_faded_fill_black();
@@ -115,7 +115,7 @@ void pal_fill_black(void)
 
 void WarpFadeScreen(void)
 {
-    u8 currentMapType = Overworld_GetMapTypeOfSaveblockLocation();
+    u8 currentMapType = GetCurrentMapType();
     switch (GetMapPairFadeToType(currentMapType, GetDestinationWarpMapHeader()->mapType))
     {
     case 0:
diff --git a/src/field_special_scene.c b/src/field_special_scene.c
index 1cabf63d6..3675cf0d8 100644
--- a/src/field_special_scene.c
+++ b/src/field_special_scene.c
@@ -1,7 +1,12 @@
 #include "global.h"
 #include "event_data.h"
 #include "event_object_movement.h"
+#include "field_camera.h"
+#include "field_screen_effect.h"
+#include "field_specials.h"
+#include "fieldmap.h"
 #include "main.h"
+#include "overworld.h"
 #include "palette.h"
 #include "script.h"
 #include "script_movement.h"
@@ -13,14 +18,6 @@
 
 #define SECONDS(value) ((signed) (60.0 * value + 0.5))
 
-extern u8 GetSSTidalLocation(s8 *, s8 *, s16 *, s16 *); // should be in field_specials.h
-extern void Overworld_SetWarpDestination(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y);
-extern bool32 CountSSTidalStep(u16);
-extern void copy_saved_warp2_bank_and_enter_x_to_warp1(u8 unused);
-extern void sp13E_warp_to_last_warp(void);
-extern void saved_warp2_set(int unused, s8 mapGroup, s8 mapNum, s8 warpId);
-extern void sub_80AF8B8(void);
-
 // porthole states
 enum
 {
@@ -30,20 +27,13 @@ enum
     EXIT_PORTHOLE,
 };
 
-extern void SetCameraPanning(s16 x, s16 y);
-extern void SetCameraPanningCallback(void ( *callback)());
-extern void InstallCameraPanAheadCallback();
-extern void pal_fill_black(void);
-extern void MapGridSetMetatileIdAt(s32 x, s32 y, u16 metatileId);
-extern void DrawWholeMapView();
-
 //. rodata
 static const s8 gTruckCamera_HorizontalTable[] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, -1, -1, -1, 0};
 const u8 gUnknown_0858E8AB[] = {0x18, 0xFE};
 const u8 gUnknown_0858E8AD[] = {0x17, 0xFE};
 
 // .text
-void Task_Truck3(u8);
+static void Task_Truck3(u8);
 
 s16 GetTruckCameraBobbingY(int a1)
 {
@@ -121,7 +111,7 @@ void Task_Truck2(u8 taskId)
     }
 }
 
-void Task_Truck3(u8 taskId)
+static void Task_Truck3(u8 taskId)
 {
    s16 *data = gTasks[taskId].data;
    s16 cameraXpan;
@@ -256,7 +246,7 @@ bool8 sub_80FB59C(void)
     }
     else
     {
-        Overworld_SetWarpDestination(mapGroup, mapNum, -1, x, y);
+        SetWarpDestination(mapGroup, mapNum, -1, x, y);
         return TRUE;
     }
 }
@@ -312,7 +302,7 @@ void Task_HandlePorthole(u8 taskId)
     case EXIT_PORTHOLE: // exit porthole.
         FlagClear(0x4001);
         FlagClear(0x4000);
-        copy_saved_warp2_bank_and_enter_x_to_warp1(0);
+        SetWarpDestinationToDynamicWarp(0);
         sp13E_warp_to_last_warp();
         DestroyTask(taskId);
         break;
@@ -349,7 +339,7 @@ void sub_80FB7A4(void)
     FlagSet(FLAG_SYS_CRUISE_MODE);
     FlagSet(0x4001);
     FlagSet(0x4000);
-    saved_warp2_set(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
+    SetDynamicWarp(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
     sub_80FB59C();
     sub_80AF8B8();
 }
diff --git a/src/field_specials.c b/src/field_specials.c
index 5e1c86dfe..4e9a5c0f7 100644
--- a/src/field_specials.c
+++ b/src/field_specials.c
@@ -945,11 +945,11 @@ void CableCarWarp(void)
 {
     if (gSpecialVar_0x8004 != 0)
     {
-        Overworld_SetWarpDestination(MAP_GROUP(ROUTE112_CABLE_CAR_STATION), MAP_NUM(ROUTE112_CABLE_CAR_STATION), -1, 6, 4);
+        SetWarpDestination(MAP_GROUP(ROUTE112_CABLE_CAR_STATION), MAP_NUM(ROUTE112_CABLE_CAR_STATION), -1, 6, 4);
     }
     else
     {
-        Overworld_SetWarpDestination(MAP_GROUP(MT_CHIMNEY_CABLE_CAR_STATION), MAP_NUM(MT_CHIMNEY_CABLE_CAR_STATION), -1, 6, 4);
+        SetWarpDestination(MAP_GROUP(MT_CHIMNEY_CABLE_CAR_STATION), MAP_NUM(MT_CHIMNEY_CABLE_CAR_STATION), -1, 6, 4);
     }
 }
 
@@ -1725,7 +1725,7 @@ const u16 gUnknown_085B2C06[][3] =
 void SetDepartmentStoreFloorVar(void)
 {
     u8 deptStoreFloor;
-    switch (gSaveBlock1Ptr->warp2.mapNum)
+    switch (gSaveBlock1Ptr->dynamicWarp.mapNum)
     {
         case MAP_NUM(LILYCOVE_CITY_DEPARTMENT_STORE_1F):
             deptStoreFloor = 4;
@@ -1757,9 +1757,9 @@ u16 sub_81399F4(void)
     gUnknown_0203AB60 = 0;
     gUnknown_0203AB62 = 0;
 
-    if (gSaveBlock1Ptr->warp2.mapGroup == 13)
+    if (gSaveBlock1Ptr->dynamicWarp.mapGroup == MAP_GROUP(LILYCOVE_CITY_DEPARTMENT_STORE_1F))
     {
-        switch (gSaveBlock1Ptr->warp2.mapNum)
+        switch (gSaveBlock1Ptr->dynamicWarp.mapNum)
         {
             case MAP_NUM(LILYCOVE_CITY_DEPARTMENT_STORE_5F):
                 gUnknown_0203AB60 = 0;
@@ -3813,7 +3813,7 @@ void sub_813B9A0(void)
 {
     if (gSaveBlock1Ptr->lastHealLocation.mapGroup == MAP_GROUP(DEWFORD_TOWN) && gSaveBlock1Ptr->lastHealLocation.mapNum == MAP_NUM(DEWFORD_TOWN))
     {
-        Overworld_SetHealLocationWarp(3);
+        SetLastHealLocationWarp(3);
     }
 }
 
diff --git a/src/fldeff_flash.c b/src/fldeff_flash.c
index 69d198c84..f3bd76cbf 100644
--- a/src/fldeff_flash.c
+++ b/src/fldeff_flash.c
@@ -156,7 +156,7 @@ static bool8 sub_8137304(void)
 {
     u8 i;
     u8 v0 = GetLastUsedWarpMapType();
-    u8 v1 = Overworld_GetMapTypeOfSaveblockLocation();
+    u8 v1 = GetCurrentMapType();
 
     for (i = 0; gUnknown_085B27C8[i].unk0; i++)
     {
diff --git a/src/frontier_util.c b/src/frontier_util.c
index c722230cd..40b1edbe3 100644
--- a/src/frontier_util.c
+++ b/src/frontier_util.c
@@ -2407,9 +2407,9 @@ void sub_81A4C30(void)
 
     i = gPlayerPartyCount;
     LoadPlayerParty();
-    sub_8076D5C();
+    SetContinueGameWarpStatusToDynamicWarp();
     TrySavingData(SAVE_LINK);
-    sav2_gender2_inplace_and_xFE();
+    ClearContinueGameWarpStatus2();
     gPlayerPartyCount = i;
 
     for (i = 0; i < PARTY_SIZE; i++)
diff --git a/src/hall_of_fame.c b/src/hall_of_fame.c
index 34d62149a..3f217b782 100644
--- a/src/hall_of_fame.c
+++ b/src/hall_of_fame.c
@@ -1299,7 +1299,7 @@ static bool8 sub_8175024(void)
         CopyBgTilemapBufferToVram(3);
         break;
     case 3:
-        sub_81971D0();
+        InitStandardTextBoxWindows();
         sub_8197200();
         break;
     case 4:
diff --git a/src/item_use.c b/src/item_use.c
index f82071a17..759267345 100755
--- a/src/item_use.c
+++ b/src/item_use.c
@@ -627,7 +627,7 @@ void sub_80FDC00(u8 taskId)
 {
     if (!gPaletteFade.active)
     {
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         OpenPokeblockCase(0, CB2_ReturnToField);
         DestroyTask(taskId);
     }
diff --git a/src/load_save.c b/src/load_save.c
index 963626428..a7593d007 100644
--- a/src/load_save.c
+++ b/src/load_save.c
@@ -1,13 +1,14 @@
 #include "global.h"
-#include "gba/flash_internal.h"
+#include "alloc.h"
+#include "item.h"
 #include "load_save.h"
 #include "main.h"
+#include "overworld.h"
 #include "pokemon.h"
 #include "pokemon_storage_system.h"
 #include "random.h"
-#include "alloc.h"
-#include "item.h"
-#include "overworld.h"
+#include "save_location.h"
+#include "gba/flash_internal.h"
 #include "decoration_inventory.h"
 
 static void ApplyNewEncryptionKeyToAllEncryptedData(u32 encryptionKey);
@@ -136,30 +137,30 @@ void MoveSaveBlocks_ResetHeap(void)
     gSaveBlock2Ptr->encryptionKey = encryptionKey;
 }
 
-u32 GetSecretBase2Field_9(void)
+u32 UseContinueGameWarp(void)
 {
-    return gSaveBlock2Ptr->specialSaveWarp & 1;
+    return gSaveBlock2Ptr->specialSaveWarpFlags & CONTINUE_GAME_WARP;
 }
 
-void ClearSecretBase2Field_9(void)
+void ClearContinueGameWarpStatus(void)
 {
-    gSaveBlock2Ptr->specialSaveWarp &= ~1;
+    gSaveBlock2Ptr->specialSaveWarpFlags &= ~CONTINUE_GAME_WARP;
 }
 
-void SetSecretBase2Field_9(void)
+void SetContinueGameWarpStatus(void)
 {
-    gSaveBlock2Ptr->specialSaveWarp |= 1;
+    gSaveBlock2Ptr->specialSaveWarpFlags |= CONTINUE_GAME_WARP;
 }
 
-void sub_8076D5C(void)
+void SetContinueGameWarpStatusToDynamicWarp(void)
 {
-    sub_8084FAC(0);
-    gSaveBlock2Ptr->specialSaveWarp |= 1;
+    SetContinueGameWarpToDynamicWarp(0);
+    gSaveBlock2Ptr->specialSaveWarpFlags |= CONTINUE_GAME_WARP;
 }
 
-void sav2_gender2_inplace_and_xFE(void)
+void ClearContinueGameWarpStatus2(void)
 {
-    gSaveBlock2Ptr->specialSaveWarp &= ~1;
+    gSaveBlock2Ptr->specialSaveWarpFlags &= ~CONTINUE_GAME_WARP;
 }
 
 void SavePlayerParty(void)
diff --git a/src/menu.c b/src/menu.c
index 8c3c61ea7..f1b35b42e 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -48,8 +48,8 @@ struct Menu
     bool8 APressMuted;
 };
 
-static EWRAM_DATA u8 gStartMenuWindowId = 0;
-static EWRAM_DATA u8 gUnknown_0203CD8D = 0;
+static EWRAM_DATA u8 sStartMenuWindowId = 0;
+static EWRAM_DATA u8 sMapNamePopupWindowId = 0;
 static EWRAM_DATA struct Menu gUnknown_0203CD90 = {0};
 static EWRAM_DATA u16 gUnknown_0203CD9C = 0;
 static EWRAM_DATA u8 gUnknown_0203CD9E = 0;
@@ -63,7 +63,7 @@ static EWRAM_DATA void *gUnknown_0203CDAC[0x20] = {NULL};
 const u16 gUnknown_0860F074[] = INCBIN_U16("graphics/interface/860F074.gbapal");
 static const u8 gUnknown_0860F094[] = { 8, 4, 1 };
 
-static const struct WindowTemplate gUnknown_0860F098[] =
+static const struct WindowTemplate sStandardTextBox_WindowTemplates[] =
 {
     {
         .bg = 0,
@@ -77,7 +77,7 @@ static const struct WindowTemplate gUnknown_0860F098[] =
     DUMMY_WIN_TEMPLATE
 };
 
-static const struct WindowTemplate gUnknown_0860F0A8 =
+static const struct WindowTemplate sYesNo_WindowTemplates =
 {
     .bg = 0,
     .tilemapLeft = 21,
@@ -137,14 +137,14 @@ extern u8 sub_8199134(s8, s8);
 extern void sub_8198C78(void);
 extern void task_free_buf_after_copying_tile_data_to_vram(u8 taskId);
 
-void sub_81971D0(void)
+void InitStandardTextBoxWindows(void)
 {
-    InitWindows(gUnknown_0860F098);
-    gStartMenuWindowId = 0xFF;
-    gUnknown_0203CD8D = 0xFF;
+    InitWindows(sStandardTextBox_WindowTemplates);
+    sStartMenuWindowId = 0xFF;
+    sMapNamePopupWindowId = 0xFF;
 }
 
-void sub_81971F4(void)
+void FreeAllOverworldWindowBuffers(void)
 {
     FreeAllWindowBuffers();
 }
@@ -460,12 +460,12 @@ void DisplayItemMessageOnField(u8 taskId, const u8 *string, TaskFunc callback)
 
 void DisplayYesNoMenu(void)
 {
-    CreateYesNoMenu(&gUnknown_0860F0A8, STD_WINDOW_BASE_TILE_NUM, STD_WINDOW_PALETTE_NUM, 0);
+    CreateYesNoMenu(&sYesNo_WindowTemplates, STD_WINDOW_BASE_TILE_NUM, STD_WINDOW_PALETTE_NUM, 0);
 }
 
 void sub_8197948(u8 initialCursorPos)
 {
-    CreateYesNoMenu(&gUnknown_0860F0A8, STD_WINDOW_BASE_TILE_NUM, STD_WINDOW_PALETTE_NUM, initialCursorPos);
+    CreateYesNoMenu(&sYesNo_WindowTemplates, STD_WINDOW_BASE_TILE_NUM, STD_WINDOW_PALETTE_NUM, initialCursorPos);
 }
 
 u32 GetPlayerTextSpeed(void)
@@ -486,22 +486,22 @@ u8 GetPlayerTextSpeedDelay(void)
 
 u8 sub_81979C4(u8 a1)
 {
-    if (gStartMenuWindowId == 0xFF)
-        gStartMenuWindowId = sub_8198AA4(0, 0x16, 1, 7, (a1 * 2) + 2, 0xF, 0x139);
-    return gStartMenuWindowId;
+    if (sStartMenuWindowId == 0xFF)
+        sStartMenuWindowId = sub_8198AA4(0, 0x16, 1, 7, (a1 * 2) + 2, 0xF, 0x139);
+    return sStartMenuWindowId;
 }
 
 u8 GetStartMenuWindowId(void)
 {
-    return gStartMenuWindowId;
+    return sStartMenuWindowId;
 }
 
 void RemoveStartMenuWindow(void)
 {
-    if (gStartMenuWindowId != 0xFF)
+    if (sStartMenuWindowId != 0xFF)
     {
-        RemoveWindow(gStartMenuWindowId);
-        gStartMenuWindowId = 0xFF;
+        RemoveWindow(sStartMenuWindowId);
+        sStartMenuWindowId = 0xFF;
     }
 }
 
@@ -517,22 +517,22 @@ u16 sub_8197A38(void)
 
 u8 AddMapNamePopUpWindow(void)
 {
-    if (gUnknown_0203CD8D == 0xFF)
-        gUnknown_0203CD8D = sub_8198AA4(0, 1, 1, 10, 3, 14, 0x107);
-    return gUnknown_0203CD8D;
+    if (sMapNamePopupWindowId == 0xFF)
+        sMapNamePopupWindowId = sub_8198AA4(0, 1, 1, 10, 3, 14, 0x107);
+    return sMapNamePopupWindowId;
 }
 
 u8 GetMapNamePopUpWindowId(void)
 {
-    return gUnknown_0203CD8D;
+    return sMapNamePopupWindowId;
 }
 
 void RemoveMapNamePopUpWindow(void)
 {
-    if (gUnknown_0203CD8D != 0xFF)
+    if (sMapNamePopupWindowId != 0xFF)
     {
-        RemoveWindow(gUnknown_0203CD8D);
-        gUnknown_0203CD8D = 0xFF;
+        RemoveWindow(sMapNamePopupWindowId);
+        sMapNamePopupWindowId = 0xFF;
     }
 }
 
diff --git a/src/mirage_tower.c b/src/mirage_tower.c
index bfaea4c5e..a8dd5d9de 100644
--- a/src/mirage_tower.c
+++ b/src/mirage_tower.c
@@ -625,7 +625,7 @@ static void DoMirageTowerDisintegration(u8 taskId)
         SetGpuRegBits(REG_OFFSET_BG2CNT, BGCNT_PRIORITY(2));
         SetGpuRegBits(REG_OFFSET_BG0CNT, BGCNT_PRIORITY(0));
         SetBgAttribute(0, BG_ATTR_PRIORITY, 0);
-        sub_81971D0();
+        InitStandardTextBoxWindows();
         break;
     case 7:
         ShowBg(0);
diff --git a/src/naming_screen.c b/src/naming_screen.c
index e6d146b85..c310ceb9f 100644
--- a/src/naming_screen.c
+++ b/src/naming_screen.c
@@ -362,7 +362,7 @@ static void NamingScreen_InitBGs(void)
     ChangeBgX(3, 0, 0);
     ChangeBgY(3, 0, 0);
 
-    sub_81971D0();
+    InitStandardTextBoxWindows();
     sub_8197200();
 
     for (i = 0; i < 5; i++)
diff --git a/src/new_game.c b/src/new_game.c
index 82e8c2c96..8ecd48bc7 100644
--- a/src/new_game.c
+++ b/src/new_game.c
@@ -136,7 +136,7 @@ static void ClearFrontierRecord(void)
 
 static void WarpToTruck(void)
 {
-    Overworld_SetWarpDestination(MAP_GROUP(INSIDE_OF_TRUCK), MAP_NUM(INSIDE_OF_TRUCK), -1, -1, -1);
+    SetWarpDestination(MAP_GROUP(INSIDE_OF_TRUCK), MAP_NUM(INSIDE_OF_TRUCK), -1, -1, -1);
     WarpIntoMap();
 }
 
@@ -169,7 +169,7 @@ void NewGameInitData(void)
     ClearFrontierRecord();
     ClearSav1();
     ClearMailData();
-    gSaveBlock2Ptr->specialSaveWarp = 0;
+    gSaveBlock2Ptr->specialSaveWarpFlags = 0;
     gSaveBlock2Ptr->field_A8 = 0;
     InitPlayerTrainerId();
     PlayTimeCounter_Reset();
diff --git a/src/overworld.c b/src/overworld.c
index 2aad68861..217b4c27e 100644
--- a/src/overworld.c
+++ b/src/overworld.c
@@ -57,8 +57,10 @@
 #include "constants/abilities.h"
 #include "constants/map_types.h"
 #include "constants/maps.h"
+#include "constants/region_map_sections.h"
 #include "constants/songs.h"
 #include "constants/species.h"
+#include "constants/weather.h"
 
 // event scripts
 extern const u8 EventScript_WhiteOut[];
@@ -114,7 +116,6 @@ extern void c2_change_map(void);
 extern void sub_81D5DF8(void);
 extern void sub_80EB218(void);
 extern void sub_80AF3C8(void);
-extern void sub_81971F4(void);
 extern void sub_808B578(void);
 extern void sub_80AF314(void);
 extern void sub_80AF214(void);
@@ -134,7 +135,7 @@ extern void sub_81AA2F8(void);
 extern void sub_8195E10(void);
 extern void sub_80EDB44(void);
 extern void sub_81D64C0(void);
-extern void sub_8098128(void);
+extern void InitFieldMessageBox(void);
 extern void copy_map_tileset1_to_vram(const struct MapLayout *);
 extern void copy_map_tileset2_to_vram(const struct MapLayout *);
 extern void FieldUpdateBgTilemapScroll(void);
@@ -339,7 +340,7 @@ const struct UCoords32 gDirectionToVectors[] =
     },
 };
 
-static const struct BgTemplate gUnknown_08339DAC[] =
+static const struct BgTemplate sOverworldBgTemplates[] =
 {
     {
         .bg = 0,
@@ -433,7 +434,7 @@ void DoWhiteOut(void)
     SetMoney(&gSaveBlock1Ptr->money, GetMoney(&gSaveBlock1Ptr->money) / 2);
     HealPlayerParty();
     Overworld_ResetStateAfterWhiteOut();
-    Overworld_SetWarpDestToLastHealLoc();
+    SetWarpDestinationToLastHealLocation();
     WarpIntoMap();
 }
 
@@ -615,7 +616,7 @@ void ApplyCurrentWarp(void)
     gFixedHoleWarp = sDummyWarpData;
 }
 
-void set_warp2_warp3_to_neg_1(void)
+static void ClearDiveAndHoleWarps(void)
 {
     gFixedDiveWarp = sDummyWarpData;
     gFixedHoleWarp = sDummyWarpData;
@@ -696,68 +697,66 @@ void WarpIntoMap(void)
     SetPlayerCoordsFromWarp();
 }
 
-void Overworld_SetWarpDestination(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
+void SetWarpDestination(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
 {
     SetWarpData(&sWarpDestination, mapGroup, mapNum, warpId, x, y);
 }
 
-void warp1_set_2(s8 mapGroup, s8 mapNum, s8 warpId)
+void SetWarpDestinationToMapWarp(s8 mapGroup, s8 mapNum, s8 warpId)
 {
-    Overworld_SetWarpDestination(mapGroup, mapNum, warpId, -1, -1);
+    SetWarpDestination(mapGroup, mapNum, warpId, -1, -1);
 }
 
-void saved_warp2_set(s32 unused, s8 mapGroup, s8 mapNum, s8 warpId)
+void SetDynamicWarp(s32 unused, s8 mapGroup, s8 mapNum, s8 warpId)
 {
-    SetWarpData(&gSaveBlock1Ptr->warp2, mapGroup, mapNum, warpId, gSaveBlock1Ptr->pos.x, gSaveBlock1Ptr->pos.y);
+    SetWarpData(&gSaveBlock1Ptr->dynamicWarp, mapGroup, mapNum, warpId, gSaveBlock1Ptr->pos.x, gSaveBlock1Ptr->pos.y);
 }
 
-void saved_warp2_set_2(s32 unused, s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
+void SetDynamicWarpWithCoords(s32 unused, s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
 {
-    SetWarpData(&gSaveBlock1Ptr->warp2, mapGroup, mapNum, warpId, x, y);
+    SetWarpData(&gSaveBlock1Ptr->dynamicWarp, mapGroup, mapNum, warpId, x, y);
 }
 
-void copy_saved_warp2_bank_and_enter_x_to_warp1(u8 unused)
+void SetWarpDestinationToDynamicWarp(u8 unusedWarpId)
 {
-    sWarpDestination = gSaveBlock1Ptr->warp2;
+    sWarpDestination = gSaveBlock1Ptr->dynamicWarp;
 }
 
-void sub_8084CCC(u8 a1)
+void SetWarpDestinationToHealLocation(u8 healLocationId)
 {
-    const struct HealLocation *warp = GetHealLocation(a1);
-
+    const struct HealLocation *warp = GetHealLocation(healLocationId);
     if (warp)
-        Overworld_SetWarpDestination(warp->group, warp->map, -1, warp->x, warp->y);
+        SetWarpDestination(warp->group, warp->map, -1, warp->x, warp->y);
 }
 
-void Overworld_SetWarpDestToLastHealLoc(void)
+void SetWarpDestinationToLastHealLocation(void)
 {
     sWarpDestination = gSaveBlock1Ptr->lastHealLocation;
 }
 
-void Overworld_SetHealLocationWarp(u8 healLocationId)
+void SetLastHealLocationWarp(u8 healLocationId)
 {
     const struct HealLocation *healLocation = GetHealLocation(healLocationId);
-
-    if (healLocation != NULL)
+    if (healLocation)
         SetWarpData(&gSaveBlock1Ptr->lastHealLocation, healLocation->group, healLocation->map, -1, healLocation->x, healLocation->y);
 }
 
-void sub_8084D5C(s16 a1, s16 a2)
+void sub_8084D5C(s16 x, s16 y)
 {
-    u8 currMapType = Overworld_GetMapTypeOfSaveblockLocation();
+    u8 currMapType = GetCurrentMapType();
     u8 destMapType = GetMapTypeByGroupAndId(sWarpDestination.mapGroup, sWarpDestination.mapNum);
     if (is_map_type_1_2_3_5_or_6(currMapType) && is_map_type_1_2_3_5_or_6(destMapType) != TRUE)
-        sub_8084DD4(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1, a1 - 7, a2 - 6);
+        SetEscapeWarp(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1, x - 7, y - 6);
 }
 
-void sub_8084DD4(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
+void SetEscapeWarp(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
 {
-    SetWarpData(&gSaveBlock1Ptr->warp4, mapGroup, mapNum, warpId, x, y);
+    SetWarpData(&gSaveBlock1Ptr->escapeWarp, mapGroup, mapNum, warpId, x, y);
 }
 
-void sub_8084E14(void)
+void SetWarpDestinationToEscapeWarp(void)
 {
-    sWarpDestination = gSaveBlock1Ptr->warp4;
+    sWarpDestination = gSaveBlock1Ptr->escapeWarp;
 }
 
 void SetFixedDiveWarp(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
@@ -765,7 +764,7 @@ void SetFixedDiveWarp(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
     SetWarpData(&gFixedDiveWarp, mapGroup, mapNum, warpId, x, y);
 }
 
-static void SetFixedDiveWarpAsDestination(void)
+static void SetWarpDestinationToDiveWarp(void)
 {
     sWarpDestination = gFixedDiveWarp;
 }
@@ -775,34 +774,34 @@ void SetFixedHoleWarp(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
     SetWarpData(&gFixedHoleWarp, mapGroup, mapNum, warpId, x, y);
 }
 
-void SetFixedHoleWarpAsDestination(s16 x, s16 y)
+void SetWarpDestinationToFixedHoleWarp(s16 x, s16 y)
 {
     if (IsDummyWarp(&gFixedHoleWarp) == TRUE)
         sWarpDestination = gLastUsedWarp;
     else
-        Overworld_SetWarpDestination(gFixedHoleWarp.mapGroup, gFixedHoleWarp.mapNum, -1, x, y);
+        SetWarpDestination(gFixedHoleWarp.mapGroup, gFixedHoleWarp.mapNum, -1, x, y);
 }
 
-void warp1_set_to_sav1w(void)
+static void SetWarpDestinationToContinueGameWarp(void)
 {
-    sWarpDestination = gSaveBlock1Ptr->warp1;
+    sWarpDestination = gSaveBlock1Ptr->continueGameWarp;
 }
 
-void sub_8084F2C(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
+void SetContinueGameWarp(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y)
 {
-    SetWarpData(&gSaveBlock1Ptr->warp1, mapGroup, mapNum, warpId, x, y);
+    SetWarpData(&gSaveBlock1Ptr->continueGameWarp, mapGroup, mapNum, warpId, x, y);
 }
 
-void sub_8084F6C(u8 a1)
+void SetContinueGameWarpToHealLocation(u8 healLocationId)
 {
-    const struct HealLocation *warp = GetHealLocation(a1);
+    const struct HealLocation *warp = GetHealLocation(healLocationId);
     if (warp)
-        SetWarpData(&gSaveBlock1Ptr->warp1, warp->group, warp->map, -1, warp->x, warp->y);
+        SetWarpData(&gSaveBlock1Ptr->continueGameWarp, warp->group, warp->map, -1, warp->x, warp->y);
 }
 
-void sub_8084FAC(int unused)
+void SetContinueGameWarpToDynamicWarp(int unused)
 {
-    gSaveBlock1Ptr->warp1 = gSaveBlock1Ptr->warp2;
+    gSaveBlock1Ptr->continueGameWarp = gSaveBlock1Ptr->dynamicWarp;
 }
 
 const struct MapConnection *GetMapConnection(u8 dir)
@@ -827,14 +826,14 @@ static bool8 SetDiveWarp(u8 dir, u16 x, u16 y)
 
     if (connection != NULL)
     {
-        Overworld_SetWarpDestination(connection->mapGroup, connection->mapNum, -1, x, y);
+        SetWarpDestination(connection->mapGroup, connection->mapNum, -1, x, y);
     }
     else
     {
         mapheader_run_script_with_tag_x6();
         if (IsDummyWarp(&gFixedDiveWarp))
             return FALSE;
-        SetFixedDiveWarpAsDestination();
+        SetWarpDestinationToDiveWarp();
     }
     return TRUE;
 }
@@ -853,7 +852,7 @@ void mliX_load_map(u8 mapGroup, u8 mapNum)
 {
     s32 paletteIndex;
 
-    Overworld_SetWarpDestination(mapGroup, mapNum, -1, -1, -1);
+    SetWarpDestination(mapGroup, mapNum, -1, -1, -1);
     if (gMapHeader.regionMapSectionId != 0x3A)
         sub_8085810();
 
@@ -885,7 +884,7 @@ void mliX_load_map(u8 mapGroup, u8 mapNum)
     ResetFieldTasksArgs();
     mapheader_run_script_with_tag_x5();
 
-    if (gMapHeader.regionMapSectionId != 0x3A || gMapHeader.regionMapSectionId != sLastMapSectionId)
+    if (gMapHeader.regionMapSectionId != MAPSEC_BATTLE_FRONTIER || gMapHeader.regionMapSectionId != sLastMapSectionId)
         ShowMapNamePopup();
 }
 
@@ -964,7 +963,7 @@ void StoreInitialPlayerAvatarState(void)
 static struct InitialPlayerAvatarState *GetInitialPlayerAvatarState(void)
 {
     struct InitialPlayerAvatarState playerStruct;
-    u8 mapType = Overworld_GetMapTypeOfSaveblockLocation();
+    u8 mapType = GetCurrentMapType();
     u16 metatileBehavior = GetCenterScreenMetatileBehavior();
     u8 transitionFlags = GetAdjustedInitialTransitionFlags(&gInitialPlayerAvatarState, metatileBehavior, mapType);
     playerStruct.transitionFlags = transitionFlags;
@@ -1051,7 +1050,7 @@ u8 Overworld_GetFlashLevel(void)
     return gSaveBlock1Ptr->flashLevel;
 }
 
-void sub_8085524(u16 mapLayoutId)
+void SetCurrentMapLayout(u16 mapLayoutId)
 {
     gSaveBlock1Ptr->mapLayoutId = mapLayoutId;
     gMapHeader.mapLayout = GetMapLayout();
@@ -1160,11 +1159,11 @@ u16 GetCurrLocationDefaultMusic(void)
     // Play the desert music only when the sandstorm is active on Route 111.
     if (gSaveBlock1Ptr->location.mapGroup == MAP_GROUP(ROUTE111)
      && gSaveBlock1Ptr->location.mapNum == MAP_NUM(ROUTE111)
-     && GetSav1Weather() == 8)
+     && GetSav1Weather() == WEATHER_SANDSTORM)
         return MUS_ASHROAD;
 
     music = GetLocationMusic(&gSaveBlock1Ptr->location);
-    if (music != 0x7FFF)
+    if (music != MUS_ROUTE_118)
     {
         return music;
     }
@@ -1180,7 +1179,7 @@ u16 GetCurrLocationDefaultMusic(void)
 u16 GetWarpDestinationMusic(void)
 {
     u16 music = GetLocationMusic(&sWarpDestination);
-    if (music != 0x7FFF)
+    if (music != MUS_ROUTE_118)
     {
         return music;
     }
@@ -1207,7 +1206,7 @@ void Overworld_PlaySpecialMapMusic(void)
     {
         if (gSaveBlock1Ptr->savedMusic)
             music = gSaveBlock1Ptr->savedMusic;
-        else if (Overworld_GetMapTypeOfSaveblockLocation() == MAP_TYPE_UNDERWATER)
+        else if (GetCurrentMapType() == MAP_TYPE_UNDERWATER)
             music = MUS_DEEPDEEP;
         else if (TestPlayerAvatarFlags(PLAYER_AVATAR_FLAG_SURFING))
             music = MUS_NAMINORI;
@@ -1285,8 +1284,8 @@ void TryFadeOutOldMapMusic(void)
             && gSaveBlock1Ptr->location.mapNum == MAP_NUM(SOOTOPOLIS_CITY)
             && sWarpDestination.mapGroup == MAP_GROUP(SOOTOPOLIS_CITY)
             && sWarpDestination.mapNum == MAP_NUM(SOOTOPOLIS_CITY)
-            && sWarpDestination.x == 0x1D
-            && sWarpDestination.y == 0x35)
+            && sWarpDestination.x == 29
+            && sWarpDestination.y == 53)
             return;
         FadeOutMapMusic(GetMapMusicFadeoutSpeed());
     }
@@ -1388,7 +1387,7 @@ u8 GetMapTypeByWarpData(struct WarpData *warp)
     return GetMapTypeByGroupAndId(warp->mapGroup, warp->mapNum);
 }
 
-u8 Overworld_GetMapTypeOfSaveblockLocation(void)
+u8 GetCurrentMapType(void)
 {
     return GetMapTypeByWarpData(&gSaveBlock1Ptr->location);
 }
@@ -1430,12 +1429,12 @@ bool8 Overworld_MapTypeIsIndoors(u8 mapType)
         return FALSE;
 }
 
-u8 sav1_saved_warp2_map_get_name(void)
+u8 GetSavedWarpRegionMapSectionId(void)
 {
-    return Overworld_GetMapHeaderByGroupAndId(gSaveBlock1Ptr->warp2.mapGroup, gSaveBlock1Ptr->warp2.mapNum)->regionMapSectionId;
+    return Overworld_GetMapHeaderByGroupAndId(gSaveBlock1Ptr->dynamicWarp.mapGroup, gSaveBlock1Ptr->dynamicWarp.mapNum)->regionMapSectionId;
 }
 
-u8 sav1_map_get_name(void)
+u8 GetCurrentRegionMapSectionId(void)
 {
     return Overworld_GetMapHeaderByGroupAndId(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum)->regionMapSectionId;
 }
@@ -1445,30 +1444,30 @@ u8 GetCurrentMapBattleScene(void)
     return Overworld_GetMapHeaderByGroupAndId(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum)->battleType;
 }
 
-static void overworld_bg_setup(void)
+static void InitOverworldBgs(void)
 {
-    InitBgsFromTemplates(0, gUnknown_08339DAC, ARRAY_COUNT(gUnknown_08339DAC));
+    InitBgsFromTemplates(0, sOverworldBgTemplates, ARRAY_COUNT(sOverworldBgTemplates));
     SetBgAttribute(1, BG_ATTR_MOSAIC, 1);
     SetBgAttribute(2, BG_ATTR_MOSAIC, 1);
     SetBgAttribute(3, BG_ATTR_MOSAIC, 1);
-    gBGTilemapBuffers2 = AllocZeroed(0x800);
-    gBGTilemapBuffers1 = AllocZeroed(0x800);
-    gBGTilemapBuffers3 = AllocZeroed(0x800);
+    gBGTilemapBuffers2 = AllocZeroed(BG_SCREEN_SIZE);
+    gBGTilemapBuffers1 = AllocZeroed(BG_SCREEN_SIZE);
+    gBGTilemapBuffers3 = AllocZeroed(BG_SCREEN_SIZE);
     SetBgTilemapBuffer(1, gBGTilemapBuffers2);
     SetBgTilemapBuffer(2, gBGTilemapBuffers1);
     SetBgTilemapBuffer(3, gBGTilemapBuffers3);
-    sub_81971D0();
+    InitStandardTextBoxWindows();
 }
 
-void overworld_free_bg_tilemaps(void)
+void CleanupOverworldWindowsAndTilemaps(void)
 {
     ClearMirageTowerPulseBlendEffect();
-    sub_81971F4();
-    if (gBGTilemapBuffers3 != NULL)
+    FreeAllOverworldWindowBuffers();
+    if (gBGTilemapBuffers3)
         FREE_AND_SET_NULL(gBGTilemapBuffers3);
-    if (gBGTilemapBuffers1 != NULL)
+    if (gBGTilemapBuffers1)
         FREE_AND_SET_NULL(gBGTilemapBuffers1);
-    if (gBGTilemapBuffers2 != NULL)
+    if (gBGTilemapBuffers2)
         FREE_AND_SET_NULL(gBGTilemapBuffers2);
 }
 
@@ -1762,7 +1761,7 @@ void CB2_ContinueSavedGame(void)
         sub_81A3908();
 
     LoadSaveblockMapHeader();
-    set_warp2_warp3_to_neg_1();
+    ClearDiveAndHoleWarps();
     trainerHillMapId = GetCurrentTrainerHillMapId();
     if (gMapHeader.mapLayoutId == 0x169)
         sub_81AA2F8();
@@ -1785,10 +1784,10 @@ void CB2_ContinueSavedGame(void)
     ScriptContext1_Init();
     ScriptContext2_Disable();
     sub_8195E10();
-    if (GetSecretBase2Field_9() == 1)
+    if (UseContinueGameWarp() == TRUE)
     {
-        ClearSecretBase2Field_9();
-        warp1_set_to_sav1w();
+        ClearContinueGameWarpStatus();
+        SetWarpDestinationToContinueGameWarp();
         WarpIntoMap();
         sub_80EDB44();
         SetMainCallback2(CB2_LoadMap);
@@ -1861,7 +1860,7 @@ static bool32 map_loading_iteration_3(u8 *state)
     switch (*state)
     {
     case 0:
-        overworld_bg_setup();
+        InitOverworldBgs();
         ScriptContext1_Init();
         ScriptContext2_Disable();
         sub_80867C8();
@@ -2147,8 +2146,8 @@ static void InitOverworldGraphicsRegisters(void)
     clear_scheduled_bg_copies_to_vram();
     reset_temp_tile_data_buffers();
     SetGpuReg(REG_OFFSET_MOSAIC, 0);
-    SetGpuReg(REG_OFFSET_WININ, 0x1F1F);
-    SetGpuReg(REG_OFFSET_WINOUT, 0x101);
+    SetGpuReg(REG_OFFSET_WININ, WININ_WIN0_BG_ALL | WININ_WIN0_OBJ | WININ_WIN1_BG_ALL | WININ_WIN1_OBJ);
+    SetGpuReg(REG_OFFSET_WINOUT, WINOUT_WIN01_BG0 | WINOUT_WINOBJ_BG0);
     SetGpuReg(REG_OFFSET_WIN0H, 0xFF);
     SetGpuReg(REG_OFFSET_WIN0V, 0xFF);
     SetGpuReg(REG_OFFSET_WIN1H, 0xFFFF);
@@ -2156,7 +2155,7 @@ static void InitOverworldGraphicsRegisters(void)
     SetGpuReg(REG_OFFSET_BLDCNT, gUnknown_82EC7C4[1] | gUnknown_82EC7C4[2] | gUnknown_82EC7C4[3]
                                | BLDCNT_TGT2_OBJ | BLDCNT_EFFECT_BLEND);
     SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(13, 7));
-    overworld_bg_setup();
+    InitOverworldBgs();
     schedule_bg_copy_tilemap_to_vram(1);
     schedule_bg_copy_tilemap_to_vram(2);
     schedule_bg_copy_tilemap_to_vram(3);
@@ -2174,7 +2173,7 @@ static void InitOverworldGraphicsRegisters(void)
     ShowBg(1);
     ShowBg(2);
     ShowBg(3);
-    sub_8098128();
+    InitFieldMessageBox();
 }
 
 static void sub_8086988(u32 a1)
diff --git a/src/party_menu.c b/src/party_menu.c
index ac26caa5d..9b992fb99 100755
--- a/src/party_menu.c
+++ b/src/party_menu.c
@@ -4721,7 +4721,7 @@ static void CursorCb_FieldMove(u8 taskId)
                 gUnknown_0203CEC4->data[0] = fieldMove;
                 break;
             case FIELD_MOVE_DIG:
-                mapHeader = Overworld_GetMapHeaderByGroupAndId(gSaveBlock1Ptr->warp4.mapGroup, gSaveBlock1Ptr->warp4.mapNum);
+                mapHeader = Overworld_GetMapHeaderByGroupAndId(gSaveBlock1Ptr->escapeWarp.mapGroup, gSaveBlock1Ptr->escapeWarp.mapNum);
                 sub_81245DC(gStringVar1, mapHeader->regionMapSectionId);
                 StringExpandPlaceholders(gStringVar4, gText_EscapeFromHere);
                 sub_81B5674(taskId);
@@ -7249,7 +7249,7 @@ static void sub_81B9424(u8 taskId)
 {
     if (!gPaletteFade.active)
     {
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         InitPartyMenu(2, 0, 11, 0, 0, sub_81B1370, sub_81B9470);
         DestroyTask(taskId);
     }
@@ -7276,7 +7276,7 @@ static void sub_81B94D0(u8 taskId)
 {
     if (!gPaletteFade.active)
     {
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         InitPartyMenu(3, 0, 11, 0, 0, sub_81B1370, sub_81B9390);
         DestroyTask(taskId);
     }
@@ -7293,7 +7293,7 @@ static void sub_81B953C(u8 taskId)
 {
     if (!gPaletteFade.active)
     {
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         InitPartyMenu(7, 0, 11, 0, 0, sub_81B1370, sub_81B9588);
         DestroyTask(taskId);
     }
@@ -7336,7 +7336,7 @@ static void sub_81B9640(u8 taskId)
 {
     if (!gPaletteFade.active)
     {
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         InitPartyMenu(12, 0, 0, 0, 0, sub_81B1370, sub_81B9390);
         DestroyTask(taskId);
     }
diff --git a/src/player_pc.c b/src/player_pc.c
index b7380cee3..474cecaf5 100644
--- a/src/player_pc.c
+++ b/src/player_pc.c
@@ -491,7 +491,7 @@ static void Task_ItemStorage_Deposit(u8 taskId)
 {
     if (!gPaletteFade.active)
     {
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         sub_81AAC14();
         DestroyTask(taskId);
     }
@@ -723,7 +723,7 @@ static void Mailbox_FadeAndReadMail(u8 taskId)
     if (!gPaletteFade.active)
     {
         sub_81D1EC0();
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         ReadMail(&(gSaveBlock1Ptr->mail[playerPCItemPageInfo.itemsAbove + 6 + playerPCItemPageInfo.cursorPos]), Mailbox_ReturnToFieldFromReadMail, TRUE);
         DestroyTask(taskId);
     }
@@ -823,7 +823,7 @@ static void Mailbox_DoGiveMailPokeMenu(u8 taskId)
     if (!gPaletteFade.active)
     {
         sub_81D1EC0();
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         sub_81B8448();
         DestroyTask(taskId);
     }
diff --git a/src/pokemon.c b/src/pokemon.c
index 96f564a19..8da42cd85 100644
--- a/src/pokemon.c
+++ b/src/pokemon.c
@@ -2588,7 +2588,7 @@ void CreateBoxMon(struct BoxPokemon *boxMon, u16 species, u8 level, u8 fixedIV,
     SetBoxMonData(boxMon, MON_DATA_SPECIES, &species);
     SetBoxMonData(boxMon, MON_DATA_EXP, &gExperienceTables[gBaseStats[species].growthRate][level]);
     SetBoxMonData(boxMon, MON_DATA_FRIENDSHIP, &gBaseStats[species].friendship);
-    value = sav1_map_get_name();
+    value = GetCurrentRegionMapSectionId();
     SetBoxMonData(boxMon, MON_DATA_MET_LOCATION, &value);
     SetBoxMonData(boxMon, MON_DATA_MET_LEVEL, &level);
     SetBoxMonData(boxMon, MON_DATA_MET_GAME, &gGameVersion);
@@ -5457,7 +5457,7 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
                             {
                                 if (GetMonData(mon, MON_DATA_POKEBALL, NULL) == 11)
                                     friendship++;
-                                if (GetMonData(mon, MON_DATA_MET_LOCATION, NULL) == sav1_map_get_name())
+                                if (GetMonData(mon, MON_DATA_MET_LOCATION, NULL) == GetCurrentRegionMapSectionId())
                                     friendship++;
                             }
                             if (friendship < 0)
@@ -5483,7 +5483,7 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
                             {
                                 if (GetMonData(mon, MON_DATA_POKEBALL, NULL) == 11)
                                     friendship++;
-                                if (GetMonData(mon, MON_DATA_MET_LOCATION, NULL) == sav1_map_get_name())
+                                if (GetMonData(mon, MON_DATA_MET_LOCATION, NULL) == GetCurrentRegionMapSectionId())
                                     friendship++;
                             }
                             if (friendship < 0)
@@ -5508,7 +5508,7 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
                             {
                                 if (GetMonData(mon, MON_DATA_POKEBALL, NULL) == 11)
                                     friendship++;
-                                if (GetMonData(mon, MON_DATA_MET_LOCATION, NULL) == sav1_map_get_name())
+                                if (GetMonData(mon, MON_DATA_MET_LOCATION, NULL) == GetCurrentRegionMapSectionId())
                                     friendship++;
                             }
                             if (friendship < 0)
@@ -6156,7 +6156,7 @@ void AdjustFriendship(struct Pokemon *mon, u8 event)
             {
                 if (GetMonData(mon, MON_DATA_POKEBALL, 0) == ITEM_LUXURY_BALL)
                     friendship++;
-                if (GetMonData(mon, MON_DATA_MET_LOCATION, 0) == sav1_map_get_name())
+                if (GetMonData(mon, MON_DATA_MET_LOCATION, 0) == GetCurrentRegionMapSectionId())
                     friendship++;
             }
             if (friendship < 0)
diff --git a/src/pokemon_storage_system.c b/src/pokemon_storage_system.c
index 91a1a5fd0..36ed78a54 100644
--- a/src/pokemon_storage_system.c
+++ b/src/pokemon_storage_system.c
@@ -1759,7 +1759,7 @@ static void Task_PokemonStorageSystemPC(u8 taskId)
     case 4:
         if (!gPaletteFade.active)
         {
-            overworld_free_bg_tilemaps();
+            CleanupOverworldWindowsAndTilemaps();
             Cb2_EnterPSS(task->data[2]);
             RemoveWindow(task->data[15]);
             DestroyTask(taskId);
diff --git a/src/post_battle_event_funcs.c b/src/post_battle_event_funcs.c
index fe5e1089e..3cbf6ecd2 100644
--- a/src/post_battle_event_funcs.c
+++ b/src/post_battle_event_funcs.c
@@ -34,12 +34,12 @@ int GameClear(void)
     if (GetGameStat(GAME_STAT_FIRST_HOF_PLAY_TIME) == 0)
         SetGameStat(GAME_STAT_FIRST_HOF_PLAY_TIME, (gSaveBlock2Ptr->playTimeHours << 16) | (gSaveBlock2Ptr->playTimeMinutes << 8) | gSaveBlock2Ptr->playTimeSeconds);
 
-    SetSecretBase2Field_9();
+    SetContinueGameWarpStatus();
 
     if (gSaveBlock2Ptr->playerGender == MALE)
-        sub_8084F6C(HEAL_LOCATION_LITTLEROOT_TOWN_BRENDANS_HOUSE_2F);
+        SetContinueGameWarpToHealLocation(HEAL_LOCATION_LITTLEROOT_TOWN_BRENDANS_HOUSE_2F);
     else
-        sub_8084F6C(HEAL_LOCATION_LITTLEROOT_TOWN_MAYS_HOUSE_2F);
+        SetContinueGameWarpToHealLocation(HEAL_LOCATION_LITTLEROOT_TOWN_MAYS_HOUSE_2F);
 
     ribbonGet = FALSE;
 
diff --git a/src/record_mixing.c b/src/record_mixing.c
index 2b497c82b..e3764c490 100644
--- a/src/record_mixing.c
+++ b/src/record_mixing.c
@@ -1481,14 +1481,14 @@ static void sub_80E7FF8(u8 taskId)
             task->data[0] = 6;
         break;
     case 2:
-        sub_8076D5C();
+        SetContinueGameWarpStatusToDynamicWarp();
         sub_8153430();
         task->data[0] ++;
         break;
     case 3:
         if (sub_8153474())
         {
-            sav2_gender2_inplace_and_xFE();
+            ClearContinueGameWarpStatus2();
             task->data[0] = 4;
             task->data[1] = 0;
         }
diff --git a/src/region_map.c b/src/region_map.c
index 4752d96f0..ff0c19167 100644
--- a/src/region_map.c
+++ b/src/region_map.c
@@ -25,6 +25,7 @@
 #include "constants/region_map_sections.h"
 #include "heal_location.h"
 #include "constants/heal_locations.h"
+#include "constants/map_types.h"
 
 #define MAP_WIDTH 28
 #define MAP_HEIGHT 15
@@ -864,7 +865,7 @@ static void RegionMap_InitializeStateBasedOnPlayerLocation(void)
     u16 y;
     u16 dimensionScale;
     u16 xOnMap;
-    struct WarpData *storedWarp;
+    struct WarpData *warp;
 
     if (gSaveBlock1Ptr->location.mapGroup == MAP_GROUP(SS_TIDAL_CORRIDOR)
         && (gSaveBlock1Ptr->location.mapNum == MAP_NUM(SS_TIDAL_CORRIDOR)
@@ -878,11 +879,11 @@ static void RegionMap_InitializeStateBasedOnPlayerLocation(void)
     switch (GetMapTypeByGroupAndId(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum))
     {
         default:
-        case 1:
-        case 2:
-        case 3:
-        case 5:
-        case 6:
+        case MAP_TYPE_TOWN:
+        case MAP_TYPE_CITY:
+        case MAP_TYPE_ROUTE:
+        case MAP_TYPE_UNDERWATER:
+        case MAP_TYPE_6:
             gRegionMap->mapSecId = gMapHeader.regionMapSectionId;
             gRegionMap->playerIsInCave = FALSE;
             mapWidth = gMapHeader.mapLayout->width;
@@ -894,17 +895,17 @@ static void RegionMap_InitializeStateBasedOnPlayerLocation(void)
                 gRegionMap->playerIsInCave = TRUE;
             }
             break;
-        case 4:
-        case 7:
+        case MAP_TYPE_UNDERGROUND:
+        case MAP_TYPE_7:
             if (gMapHeader.flags & 0x02)
             {
-                mapHeader = Overworld_GetMapHeaderByGroupAndId(gSaveBlock1Ptr->warp4.mapGroup, gSaveBlock1Ptr->warp4.mapNum);
+                mapHeader = Overworld_GetMapHeaderByGroupAndId(gSaveBlock1Ptr->escapeWarp.mapGroup, gSaveBlock1Ptr->escapeWarp.mapNum);
                 gRegionMap->mapSecId = mapHeader->regionMapSectionId;
                 gRegionMap->playerIsInCave = TRUE;
                 mapWidth = mapHeader->mapLayout->width;
                 mapHeight = mapHeader->mapLayout->height;
-                x = gSaveBlock1Ptr->warp4.x;
-                y = gSaveBlock1Ptr->warp4.y;
+                x = gSaveBlock1Ptr->escapeWarp.x;
+                y = gSaveBlock1Ptr->escapeWarp.y;
             }
             else
             {
@@ -916,27 +917,26 @@ static void RegionMap_InitializeStateBasedOnPlayerLocation(void)
                 y = 1;
             }
             break;
-        case 9:
-            mapHeader = Overworld_GetMapHeaderByGroupAndId((u16)gSaveBlock1Ptr->warp2.mapGroup, (u16)gSaveBlock1Ptr->warp2.mapNum);
+        case MAP_TYPE_SECRET_BASE:
+            mapHeader = Overworld_GetMapHeaderByGroupAndId((u16)gSaveBlock1Ptr->dynamicWarp.mapGroup, (u16)gSaveBlock1Ptr->dynamicWarp.mapNum);
             gRegionMap->mapSecId = mapHeader->regionMapSectionId;
             gRegionMap->playerIsInCave = TRUE;
             mapWidth = mapHeader->mapLayout->width;
             mapHeight = mapHeader->mapLayout->height;
-            x = gSaveBlock1Ptr->warp2.x;
-            y = gSaveBlock1Ptr->warp2.y;
+            x = gSaveBlock1Ptr->dynamicWarp.x;
+            y = gSaveBlock1Ptr->dynamicWarp.y;
             break;
-        case 8:
-
+        case MAP_TYPE_INDOOR:
             gRegionMap->mapSecId = gMapHeader.regionMapSectionId;
             if (gRegionMap->mapSecId != MAPSEC_DYNAMIC)
             {
-                storedWarp = &gSaveBlock1Ptr->warp4;
-                mapHeader = Overworld_GetMapHeaderByGroupAndId(storedWarp->mapGroup, storedWarp->mapNum);
+                warp = &gSaveBlock1Ptr->escapeWarp;
+                mapHeader = Overworld_GetMapHeaderByGroupAndId(warp->mapGroup, warp->mapNum);
             }
             else
             {
-                storedWarp = &gSaveBlock1Ptr->warp2;
-                mapHeader = Overworld_GetMapHeaderByGroupAndId(storedWarp->mapGroup, storedWarp->mapNum);
+                warp = &gSaveBlock1Ptr->dynamicWarp;
+                mapHeader = Overworld_GetMapHeaderByGroupAndId(warp->mapGroup, warp->mapNum);
                 gRegionMap->mapSecId = mapHeader->regionMapSectionId;
             }
             if (RegionMap_IsPlayerInCave(gRegionMap->mapSecId))
@@ -949,8 +949,8 @@ static void RegionMap_InitializeStateBasedOnPlayerLocation(void)
             }
             mapWidth = mapHeader->mapLayout->width;
             mapHeight = mapHeader->mapLayout->height;
-            x = storedWarp->x;
-            y = storedWarp->y;
+            x = warp->x;
+            y = warp->y;
             break;
     }
 
@@ -1902,25 +1902,25 @@ static void sub_8124E0C(void)
                     switch (sFlyMap->regionMap.mapSecId)
                     {
                         case MAPSEC_SOUTHERN_ISLAND:
-                            sub_8084CCC(HEAL_LOCATION_SOUTHERN_ISLAND_EXTERIOR);
+                            SetWarpDestinationToHealLocation(HEAL_LOCATION_SOUTHERN_ISLAND_EXTERIOR);
                             break;
                         case MAPSEC_BATTLE_FRONTIER:
-                            sub_8084CCC(HEAL_LOCATION_BATTLE_FRONTIER_OUTSIDE_EAST);
+                            SetWarpDestinationToHealLocation(HEAL_LOCATION_BATTLE_FRONTIER_OUTSIDE_EAST);
                             break;
                         case MAPSEC_LITTLEROOT_TOWN:
-                            sub_8084CCC(gSaveBlock2Ptr->playerGender == MALE ? HEAL_LOCATION_LITTLEROOT_TOWN_1 : HEAL_LOCATION_LITTLEROOT_TOWN_2);
+                            SetWarpDestinationToHealLocation(gSaveBlock2Ptr->playerGender == MALE ? HEAL_LOCATION_LITTLEROOT_TOWN_1 : HEAL_LOCATION_LITTLEROOT_TOWN_2);
                             break;
                         case MAPSEC_EVER_GRANDE_CITY:
-                            sub_8084CCC(FlagGet(FLAG_LANDMARK_POKEMON_LEAGUE) && sFlyMap->regionMap.posWithinMapSec == 0 ? HEAL_LOCATION_EVER_GRANDE_CITY_2 : HEAL_LOCATION_EVER_GRANDE_CITY_1);
+                            SetWarpDestinationToHealLocation(FlagGet(FLAG_LANDMARK_POKEMON_LEAGUE) && sFlyMap->regionMap.posWithinMapSec == 0 ? HEAL_LOCATION_EVER_GRANDE_CITY_2 : HEAL_LOCATION_EVER_GRANDE_CITY_1);
                             break;
                         default:
                             if (sMapHealLocations[sFlyMap->regionMap.mapSecId][2] != 0)
                             {
-                                sub_8084CCC(sMapHealLocations[sFlyMap->regionMap.mapSecId][2]);
+                                SetWarpDestinationToHealLocation(sMapHealLocations[sFlyMap->regionMap.mapSecId][2]);
                             }
                             else
                             {
-                                warp1_set_2(sMapHealLocations[sFlyMap->regionMap.mapSecId][0], sMapHealLocations[sFlyMap->regionMap.mapSecId][1], -1);
+                                SetWarpDestinationToMapWarp(sMapHealLocations[sFlyMap->regionMap.mapSecId][0], sMapHealLocations[sFlyMap->regionMap.mapSecId][1], -1);
                             }
                             break;
                     }
diff --git a/src/rom_8011DC0.c b/src/rom_8011DC0.c
index 066f7695c..d3c6ec6d1 100644
--- a/src/rom_8011DC0.c
+++ b/src/rom_8011DC0.c
@@ -1315,7 +1315,7 @@ u32 sub_8013B8C(struct UnkStruct_Group *arg0, s32 id)
 
     if (gUnknown_02022C2C == 4 && structPtr->unk.field_0.unk_00.unk_01_2 != 3)
     {
-        if (!(gSaveBlock2Ptr->specialSaveWarp & 0x80))
+        if (!(gSaveBlock2Ptr->specialSaveWarpFlags & 0x80))
             return 1;
         else if (structPtr->unk.field_0.unk_00.unk_00_7)
             return 0;
@@ -1633,8 +1633,8 @@ void sub_8014210(u16 battleFlags)
 void sub_8014290(u16 arg0, u16 x, u16 y)
 {
     VarSet(VAR_0x4087, arg0);
-    Overworld_SetWarpDestination(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1, x, y);
-    saved_warp2_set_2(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1, x, y);
+    SetWarpDestination(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1, x, y);
+    SetDynamicWarpWithCoords(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1, x, y);
     WarpIntoMap();
 }
 
@@ -1645,7 +1645,7 @@ void sub_8014304(s8 mapGroup, s8 mapNum, s32 x, s32 y, u16 arg4)
     gFieldLinkPlayerCount = GetLinkPlayerCount();
     gUnknown_03005DB4 = GetMultiplayerId();
     SetCableClubWarp();
-    Overworld_SetWarpDestination(mapGroup, mapNum, -1, x, y);
+    SetWarpDestination(mapGroup, mapNum, -1, x, y);
     WarpIntoMap();
 }
 
@@ -1697,12 +1697,12 @@ void sub_801440C(u8 taskId)
     {
     case 65:
     case 81:
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         gMain.savedCallback = sub_801AC54;
         sub_81B8518(3);
         break;
     case 1:
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         sub_80143E4(gBlockSendBuffer, TRUE);
         HealPlayerParty();
         SavePlayerParty();
@@ -1711,7 +1711,7 @@ void sub_801440C(u8 taskId)
         SetMainCallback2(sub_8014384);
         break;
     case 2:
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         HealPlayerParty();
         SavePlayerParty();
         LoadPlayerBag();
@@ -1720,7 +1720,7 @@ void sub_801440C(u8 taskId)
         SetMainCallback2(sub_8014384);
         break;
     case 3:
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         HealPlayerParty();
         SavePlayerParty();
         LoadPlayerBag();
@@ -1730,18 +1730,18 @@ void sub_801440C(u8 taskId)
         break;
     case 4:
         sub_80143E4(gBlockSendBuffer, TRUE);
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         sub_8014304(MAP_GROUP(TRADE_CENTER), MAP_NUM(TRADE_CENTER), 5, 8, 3);
         SetMainCallback2(sub_8014384);
         break;
     case 15:
         sub_80143E4(gBlockSendBuffer, TRUE);
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         sub_8014304(MAP_GROUP(RECORD_CORNER), MAP_NUM(RECORD_CORNER), 8, 9, 4);
         SetMainCallback2(sub_8014384);
         break;
     case 68:
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         CreateTask(sub_8013F90, 0);
         break;
     case 5:
diff --git a/src/save.c b/src/save.c
index 905f075fb..b234c230d 100644
--- a/src/save.c
+++ b/src/save.c
@@ -923,7 +923,7 @@ void sub_8153688(u8 taskId)
         break;
     case 3:
         if (taskData[2] == 0)
-            sub_8076D5C();
+            SetContinueGameWarpStatusToDynamicWarp();
         sub_8153380();
         taskData[0] = 4;
         break;
@@ -946,7 +946,7 @@ void sub_8153688(u8 taskId)
         break;
     case 7:
         if (taskData[2] == 0)
-            sav2_gender2_inplace_and_xFE();
+            ClearContinueGameWarpStatus2();
         sub_800ADF8();
         taskData[0] = 8;
         break;
diff --git a/src/save_location.c b/src/save_location.c
index d49afa736..2443b3161 100644
--- a/src/save_location.c
+++ b/src/save_location.c
@@ -2,11 +2,6 @@
 #include "save_location.h"
 #include "constants/maps.h"
 
-// specialSaveWarp flags
-#define POKECENTER_SAVEWARP (1 << 1)
-#define LOBBY_SAVEWARP (1 << 2)
-#define UNK_SPECIAL_SAVE_WARP_FLAG_3 (1 << 3)
-
 static bool32 IsCurMapInLocationList(const u16 *list)
 {
     s32 i;
@@ -94,26 +89,26 @@ static bool32 sub_81AFCEC(void)
 static void TrySetPokeCenterWarpStatus(void)
 {
     if (IsCurMapPokeCenter() == FALSE)
-        gSaveBlock2Ptr->specialSaveWarp &= ~(POKECENTER_SAVEWARP);
+        gSaveBlock2Ptr->specialSaveWarpFlags &= ~(POKECENTER_SAVEWARP);
     else
-        gSaveBlock2Ptr->specialSaveWarp |= POKECENTER_SAVEWARP;
+        gSaveBlock2Ptr->specialSaveWarpFlags |= POKECENTER_SAVEWARP;
 }
 
 static void TrySetReloadWarpStatus(void)
 {
     if (!IsCurMapReloadLocation())
-        gSaveBlock2Ptr->specialSaveWarp &= ~(LOBBY_SAVEWARP);
+        gSaveBlock2Ptr->specialSaveWarpFlags &= ~(LOBBY_SAVEWARP);
     else
-        gSaveBlock2Ptr->specialSaveWarp |= LOBBY_SAVEWARP;
+        gSaveBlock2Ptr->specialSaveWarpFlags |= LOBBY_SAVEWARP;
 }
 
 // this function definitely sets a warp status, but because the list is empty, it's unknown what this does yet.
 static void sub_81AFD5C(void)
 {
     if (!sub_81AFCEC())
-        gSaveBlock2Ptr->specialSaveWarp &= ~(UNK_SPECIAL_SAVE_WARP_FLAG_3);
+        gSaveBlock2Ptr->specialSaveWarpFlags &= ~(UNK_SPECIAL_SAVE_WARP_FLAG_3);
     else
-        gSaveBlock2Ptr->specialSaveWarp |= UNK_SPECIAL_SAVE_WARP_FLAG_3;
+        gSaveBlock2Ptr->specialSaveWarpFlags |= UNK_SPECIAL_SAVE_WARP_FLAG_3;
 }
 
 void TrySetMapSaveWarpStatus(void)
@@ -136,5 +131,5 @@ void sub_81AFDA0(void)
 
 void sub_81AFDD0(void)
 {
-    gSaveBlock2Ptr->specialSaveWarp |= 0x80;
+    gSaveBlock2Ptr->specialSaveWarpFlags |= 0x80;
 }
diff --git a/src/scrcmd.c b/src/scrcmd.c
index ab3af019d..39df1117d 100644
--- a/src/scrcmd.c
+++ b/src/scrcmd.c
@@ -735,7 +735,7 @@ bool8 ScrCmd_setmaplayoutindex(struct ScriptContext *ctx)
 {
     u16 value = VarGet(ScriptReadHalfword(ctx));
 
-    sub_8085524(value);
+    SetCurrentMapLayout(value);
     return FALSE;
 }
 
@@ -747,7 +747,7 @@ bool8 ScrCmd_warp(struct ScriptContext *ctx)
     u16 x = VarGet(ScriptReadHalfword(ctx));
     u16 y = VarGet(ScriptReadHalfword(ctx));
 
-    Overworld_SetWarpDestination(mapGroup, mapNum, warpId, x, y);
+    SetWarpDestination(mapGroup, mapNum, warpId, x, y);
     sub_80AF734();
     ResetInitialPlayerAvatarState();
     return TRUE;
@@ -761,7 +761,7 @@ bool8 ScrCmd_warpsilent(struct ScriptContext *ctx)
     u16 x = VarGet(ScriptReadHalfword(ctx));
     u16 y = VarGet(ScriptReadHalfword(ctx));
 
-    Overworld_SetWarpDestination(mapGroup, mapNum, warpId, x, y);
+    SetWarpDestination(mapGroup, mapNum, warpId, x, y);
     sp13E_warp_to_last_warp();
     ResetInitialPlayerAvatarState();
     return TRUE;
@@ -775,7 +775,7 @@ bool8 ScrCmd_warpdoor(struct ScriptContext *ctx)
     u16 x = VarGet(ScriptReadHalfword(ctx));
     u16 y = VarGet(ScriptReadHalfword(ctx));
 
-    Overworld_SetWarpDestination(mapGroup, mapNum, warpId, x, y);
+    SetWarpDestination(mapGroup, mapNum, warpId, x, y);
     sub_80AF7D0();
     ResetInitialPlayerAvatarState();
     return TRUE;
@@ -790,9 +790,9 @@ bool8 ScrCmd_warphole(struct ScriptContext *ctx)
 
     PlayerGetDestCoords(&x, &y);
     if (mapGroup == 0xFF && mapNum == 0xFF)
-        SetFixedHoleWarpAsDestination(x - 7, y - 7);
+        SetWarpDestinationToFixedHoleWarp(x - 7, y - 7);
     else
-        Overworld_SetWarpDestination(mapGroup, mapNum, -1, x - 7, y - 7);
+        SetWarpDestination(mapGroup, mapNum, -1, x - 7, y - 7);
     sp13F_fall_to_last_warp();
     ResetInitialPlayerAvatarState();
     return TRUE;
@@ -806,7 +806,7 @@ bool8 ScrCmd_warpteleport(struct ScriptContext *ctx)
     u16 x = VarGet(ScriptReadHalfword(ctx));
     u16 y = VarGet(ScriptReadHalfword(ctx));
 
-    Overworld_SetWarpDestination(mapGroup, mapNum, warpId, x, y);
+    SetWarpDestination(mapGroup, mapNum, warpId, x, y);
     sub_80AF848();
     ResetInitialPlayerAvatarState();
     return TRUE;
@@ -820,7 +820,7 @@ bool8 ScrCmd_warpD7(struct ScriptContext *ctx)
     u16 x = VarGet(ScriptReadHalfword(ctx));
     u16 y = VarGet(ScriptReadHalfword(ctx));
 
-    Overworld_SetWarpDestination(mapGroup, mapNum, warpId, x, y);
+    SetWarpDestination(mapGroup, mapNum, warpId, x, y);
     sub_80AF87C();
     ResetInitialPlayerAvatarState();
     return TRUE;
@@ -834,7 +834,7 @@ bool8 ScrCmd_setwarp(struct ScriptContext *ctx)
     u16 x = VarGet(ScriptReadHalfword(ctx));
     u16 y = VarGet(ScriptReadHalfword(ctx));
 
-    Overworld_SetWarpDestination(mapGroup, mapNum, warpId, x, y);
+    SetWarpDestination(mapGroup, mapNum, warpId, x, y);
     return FALSE;
 }
 
@@ -846,7 +846,7 @@ bool8 ScrCmd_setdynamicwarp(struct ScriptContext *ctx)
     u16 x = VarGet(ScriptReadHalfword(ctx));
     u16 y = VarGet(ScriptReadHalfword(ctx));
 
-    saved_warp2_set_2(0, mapGroup, mapNum, warpId, x, y);
+    SetDynamicWarpWithCoords(0, mapGroup, mapNum, warpId, x, y);
     return FALSE;
 }
 
@@ -882,7 +882,7 @@ bool8 ScrCmd_setescapewarp(struct ScriptContext *ctx)
     u16 x = VarGet(ScriptReadHalfword(ctx));
     u16 y = VarGet(ScriptReadHalfword(ctx));
 
-    sub_8084DD4(mapGroup, mapNum, warpId, x, y);
+    SetEscapeWarp(mapGroup, mapNum, warpId, x, y);
     return FALSE;
 }
 
@@ -1998,7 +1998,7 @@ bool8 ScrCmd_setrespawn(struct ScriptContext *ctx)
 {
     u16 healLocationId = VarGet(ScriptReadHalfword(ctx));
 
-    Overworld_SetHealLocationWarp(healLocationId);
+    SetLastHealLocationWarp(healLocationId);
     return FALSE;
 }
 
@@ -2235,7 +2235,7 @@ bool8 ScrCmd_warpD1(struct ScriptContext *ctx)
     u16 x = VarGet(ScriptReadHalfword(ctx));
     u16 y = VarGet(ScriptReadHalfword(ctx));
 
-    Overworld_SetWarpDestination(mapGroup, mapNum, warpId, x, y);
+    SetWarpDestination(mapGroup, mapNum, warpId, x, y);
     sub_808D074(GetPlayerFacingDirection());
     sub_80B0244();
     ResetInitialPlayerAvatarState();
@@ -2289,7 +2289,7 @@ bool8 ScrCmd_warpE0(struct ScriptContext *ctx)
     u16 x = VarGet(ScriptReadHalfword(ctx));
     u16 y = VarGet(ScriptReadHalfword(ctx));
 
-    Overworld_SetWarpDestination(mapGroup, mapNum, warpId, x, y);
+    SetWarpDestination(mapGroup, mapNum, warpId, x, y);
     sub_80AF79C();
     ResetInitialPlayerAvatarState();
     return TRUE;
diff --git a/src/secret_base.c b/src/secret_base.c
index 7e7b10a9a..15d6d1780 100644
--- a/src/secret_base.c
+++ b/src/secret_base.c
@@ -366,7 +366,7 @@ void sub_80E8F9C(void)
     s8 idx;
 
     idx = sCurSecretBaseId / 10 * 4;
-    warp1_set_2(MAP_GROUP(SECRET_BASE_RED_CAVE1), gUnknown_0858CFE8[idx], gUnknown_0858CFE8[idx + 1]);
+    SetWarpDestinationToMapWarp(MAP_GROUP(SECRET_BASE_RED_CAVE1), gUnknown_0858CFE8[idx], gUnknown_0858CFE8[idx + 1]);
 }
 
 void sub_80E8FD0(u8 taskId)
@@ -400,7 +400,7 @@ void sub_80E9068(void)
 {
     CreateTask(sub_80E8FD0, 0);
     FadeScreen(1, 0);
-    saved_warp2_set(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
+    SetDynamicWarp(0, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1);
 }
 
 bool8 sub_80E909C(void)
@@ -445,7 +445,7 @@ void sub_80E916C(u8 taskId)
     if (!gPaletteFade.active)
     {
         idx = sCurSecretBaseId / 10 * 4;
-        Overworld_SetWarpDestination(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1, gUnknown_0858CFE8[idx + 2], gUnknown_0858CFE8[idx + 3]);
+        SetWarpDestination(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1, gUnknown_0858CFE8[idx + 2], gUnknown_0858CFE8[idx + 3]);
         WarpIntoMap();
         gFieldCallback = sub_80E9108;
         SetMainCallback2(CB2_LoadMap);
@@ -643,7 +643,7 @@ void sub_80E96A4(u8 taskId)
             }
             break;
         case 2:
-            copy_saved_warp2_bank_and_enter_x_to_warp1(0x7e);
+            SetWarpDestinationToDynamicWarp(0x7e);
             WarpIntoMap();
             gFieldCallback = mapldr_default;
             SetMainCallback2(CB2_LoadMap);
diff --git a/src/start_menu.c b/src/start_menu.c
index ad7b4b6cc..0f608b1d2 100644
--- a/src/start_menu.c
+++ b/src/start_menu.c
@@ -623,7 +623,7 @@ static bool8 StartMenuPokedexCallback(void)
         IncrementGameStat(GAME_STAT_CHECKED_POKEDEX);
         PlayRainSoundEffect();
         RemoveExtraStartMenuWindows();
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         SetMainCallback2(CB2_Pokedex);
 
         return TRUE;
@@ -638,7 +638,7 @@ static bool8 StartMenuPokemonCallback(void)
     {
         PlayRainSoundEffect();
         RemoveExtraStartMenuWindows();
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         SetMainCallback2(CB2_PartyMenuFromStartMenu); // Display party menu
 
         return TRUE;
@@ -653,7 +653,7 @@ static bool8 StartMenuBagCallback(void)
     {
         PlayRainSoundEffect();
         RemoveExtraStartMenuWindows();
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         SetMainCallback2(CB2_BagMenuFromStartMenu); // Display bag menu
 
         return TRUE;
@@ -668,7 +668,7 @@ static bool8 StartMenuPokeNavCallback(void)
     {
         PlayRainSoundEffect();
         RemoveExtraStartMenuWindows();
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         SetMainCallback2(CB2_PokeNav);  // Display PokeNav
 
         return TRUE;
@@ -683,7 +683,7 @@ static bool8 StartMenuPlayerNameCallback(void)
     {
         PlayRainSoundEffect();
         RemoveExtraStartMenuWindows();
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
 
         if (is_c1_link_related_active() || InUnionRoom())
         {
@@ -722,7 +722,7 @@ static bool8 StartMenuOptionCallback(void)
     {
         PlayRainSoundEffect();
         RemoveExtraStartMenuWindows();
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         SetMainCallback2(CB2_InitOptionMenu); // Display option menu
         gMain.savedCallback = CB2_ReturnToFieldWithOpenMenu;
 
@@ -754,7 +754,7 @@ static bool8 StartMenuLinkModePlayerNameCallback(void)
     if (!gPaletteFade.active)
     {
         PlayRainSoundEffect();
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         TrainerCard_ShowLinkCard(gUnknown_03005DB4, CB2_ReturnToFieldWithOpenMenu);
 
         return TRUE;
@@ -784,7 +784,7 @@ static bool8 StartMenuBattlePyramidBagCallback(void)
     {
         PlayRainSoundEffect();
         RemoveExtraStartMenuWindows();
-        overworld_free_bg_tilemaps();
+        CleanupOverworldWindowsAndTilemaps();
         SetMainCallback2(CB2_PyramidBagMenuFromStartMenu);
 
         return TRUE;
@@ -1285,14 +1285,14 @@ static void sub_80A0550(u8 taskId)
             }
             break;
         case 1:
-            sub_8076D5C();
+            SetContinueGameWarpStatusToDynamicWarp();
             sub_8153430();
             *step = 2;
             break;
         case 2:
             if (sub_8153474())
             {
-                sav2_gender2_inplace_and_xFE();
+                ClearContinueGameWarpStatus2();
                 *step = 3;
                 gSoftResetDisabled = 0;
             }