mirror of
https://github.com/Ninjdai1/pokeemerald.git
synced 2024-12-26 03:34:15 +01:00
Document fieldmap
This commit is contained in:
parent
8bad478b49
commit
86a9d94ce1
@ -241,5 +241,6 @@
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#define MB_UNUSED_ED 0xED
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#define MB_UNUSED_EE 0xEE
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#define MB_UNUSED_EF 0xEF
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#define MB_INVALID 0xFF
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#endif // GUARD_METATILE_BEHAVIORS
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@ -20,16 +20,13 @@ void MapGridSetMetatileEntryAt(int, int, u16);
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void GetCameraCoords(u16*, u16*);
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bool8 MapGridIsImpassableAt(int, int);
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int GetMapBorderIdAt(int x, int y);
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int CanCameraMoveInDirection(int direction);
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bool32 CanCameraMoveInDirection(int direction);
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u16 GetBehaviorByMetatileId(u16 metatileId);
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void GetCameraFocusCoords(u16 *x, u16 *y);
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u8 MapGridGetMetatileLayerTypeAt(int x, int y);
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u8 MapGridGetZCoordAt(int x, int y);
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bool8 CameraMove(int deltaX, int deltaY);
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struct MapConnection *sub_8088950(u8 direction, int x, int y);
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bool8 sub_80889A8(u8 direction, int x, int y, struct MapConnection *connection);
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bool8 sub_8088A0C(int x, int src_width, int dest_width, int offset);
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void save_serialize_map(void);
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void SaveMapView(void);
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void SetCameraFocusCoords(u16 x, u16 y);
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void InitMap(void);
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void InitMapFromSavedGame(void);
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@ -1,6 +1,7 @@
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#ifndef GUARD_GLOBAL_FIELDMAP_H
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#define GUARD_GLOBAL_FIELDMAP_H
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#define METATILE_BEHAVIOR_MASK 0x00FF
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#define METATILE_COLLISION_MASK 0x0C00
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#define METATILE_ID_MASK 0x03FF
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#define METATILE_ID_UNDEFINED 0x03FF
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@ -12,7 +13,9 @@
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enum
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{
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CONNECTION_SOUTH = 1,
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CONNECTION_INVALID = -1,
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CONNECTION_NONE,
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CONNECTION_SOUTH,
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CONNECTION_NORTH,
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CONNECTION_WEST,
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CONNECTION_EAST,
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@ -711,7 +711,7 @@ static void SavePikeChallenge(void)
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gSaveBlock2Ptr->frontier.challengeStatus = gSpecialVar_0x8005;
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VarSet(VAR_TEMP_0, 0);
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gSaveBlock2Ptr->frontier.challengePaused = TRUE;
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save_serialize_map();
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SaveMapView();
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TrySavingData(SAVE_LINK);
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}
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@ -933,7 +933,7 @@ static void SavePyramidChallenge(void)
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gSaveBlock2Ptr->frontier.challengeStatus = gSpecialVar_0x8005;
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VarSet(VAR_TEMP_0, 0);
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gSaveBlock2Ptr->frontier.challengePaused = TRUE;
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save_serialize_map();
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SaveMapView();
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TrySavingData(SAVE_LINK);
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}
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118
src/fieldmap.c
118
src/fieldmap.c
@ -15,6 +15,7 @@
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#include "trainer_hill.h"
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#include "tv.h"
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#include "constants/rgb.h"
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#include "constants/metatile_behaviors.h"
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struct ConnectionFlags
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{
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@ -43,6 +44,9 @@ static void FillEastConnection(struct MapHeader const *mapHeader, struct MapHead
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static void InitBackupMapLayoutConnections(struct MapHeader *mapHeader);
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static void LoadSavedMapView(void);
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static bool8 SkipCopyingMetatileFromSavedMap(u16* mapMetatilePtr, u16 mapWidth, u8 yMode);
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static struct MapConnection *GetIncomingConnection(u8 direction, int x, int y);
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static bool8 IsPosInIncomingConnectingMap(u8 direction, int x, int y, struct MapConnection *connection);
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static bool8 IsCoordInIncomingConnectingMap(int coord, int srcMax, int destMax, int offset);
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struct MapHeader const *const GetMapHeaderFromConnection(struct MapConnection *connection)
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{
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@ -149,7 +153,7 @@ static void InitBackupMapLayoutConnections(struct MapHeader *mapHeader)
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}
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}
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static void sub_8087F54(int x, int y, struct MapHeader const *connectedMapHeader, int x2, int y2, int width, int height)
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static void FillConnection(int x, int y, struct MapHeader const *connectedMapHeader, int x2, int y2, int width, int height)
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{
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int i;
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u16 *src;
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@ -207,7 +211,7 @@ static void FillSouthConnection(struct MapHeader const *mapHeader, struct MapHea
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}
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}
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sub_8087F54(
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FillConnection(
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x, y,
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connectedMapHeader,
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x2, /*y2*/ 0,
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@ -255,7 +259,7 @@ static void FillNorthConnection(struct MapHeader const *mapHeader, struct MapHea
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}
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}
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sub_8087F54(
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FillConnection(
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x, /*y*/ 0,
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connectedMapHeader,
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x2, y2,
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@ -302,7 +306,7 @@ static void FillWestConnection(struct MapHeader const *mapHeader, struct MapHead
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}
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}
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sub_8087F54(
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FillConnection(
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/*x*/ 0, y,
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connectedMapHeader,
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x2, y2,
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@ -347,7 +351,7 @@ static void FillEastConnection(struct MapHeader const *mapHeader, struct MapHead
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}
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}
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sub_8087F54(
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FillConnection(
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x, y,
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connectedMapHeader,
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/*x2*/ 0, y2,
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@ -458,7 +462,7 @@ u32 MapGridGetMetatileBehaviorAt(int x, int y)
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{
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u16 metatile;
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metatile = MapGridGetMetatileIdAt(x, y);
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return GetBehaviorByMetatileId(metatile) & 0xff;
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return GetBehaviorByMetatileId(metatile) & METATILE_BEHAVIOR_MASK;
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}
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u8 MapGridGetMetatileLayerTypeAt(int x, int y)
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@ -505,11 +509,11 @@ u16 GetBehaviorByMetatileId(u16 metatile)
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}
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else
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{
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return 0xFF;
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return MB_INVALID;
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}
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}
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void save_serialize_map(void)
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void SaveMapView(void)
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{
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int i, j;
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int x, y;
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@ -595,7 +599,7 @@ static void LoadSavedMapView(void)
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}
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}
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void sub_80885C4(u8 a1)
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static void MoveMapViewToBackup(u8 direction)
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{
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int width;
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u16 *mapView;
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@ -614,7 +618,7 @@ void sub_80885C4(u8 a1)
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y0 = gSaveBlock1Ptr->pos.y;
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x2 = 15;
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y2 = 14;
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switch (a1)
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switch (direction)
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{
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case CONNECTION_NORTH:
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y0 += 1;
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@ -680,14 +684,14 @@ int GetMapBorderIdAt(int x, int y)
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}
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goto success;
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fail:
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return -1;
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return CONNECTION_INVALID;
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success:
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if (x >= (gBackupMapLayout.width - 8))
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{
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if (!gMapConnectionFlags.east)
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{
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return -1;
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return CONNECTION_INVALID;
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}
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return CONNECTION_EAST;
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}
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@ -695,7 +699,7 @@ success:
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{
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if (!gMapConnectionFlags.west)
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{
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return -1;
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return CONNECTION_INVALID;
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}
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return CONNECTION_WEST;
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}
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@ -703,7 +707,7 @@ success:
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{
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if (!gMapConnectionFlags.south)
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{
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return -1;
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return CONNECTION_INVALID;
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}
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return CONNECTION_SOUTH;
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}
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@ -711,13 +715,13 @@ success:
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{
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if (!gMapConnectionFlags.north)
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{
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return -1;
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return CONNECTION_INVALID;
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}
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return CONNECTION_NORTH;
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}
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else
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{
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return 0;
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return CONNECTION_NONE;
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}
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}
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@ -726,19 +730,19 @@ int GetPostCameraMoveMapBorderId(int x, int y)
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return GetMapBorderIdAt(gSaveBlock1Ptr->pos.x + 7 + x, gSaveBlock1Ptr->pos.y + 7 + y);
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}
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int CanCameraMoveInDirection(int direction)
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bool32 CanCameraMoveInDirection(int direction)
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{
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int x, y;
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x = gSaveBlock1Ptr->pos.x + 7 + gDirectionToVectors[direction].x;
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y = gSaveBlock1Ptr->pos.y + 7 + gDirectionToVectors[direction].y;
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if (GetMapBorderIdAt(x, y) == -1)
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{
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return 0;
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return FALSE;
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}
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return 1;
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return TRUE;
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}
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void sub_80887F8(struct MapConnection *connection, int direction, int x, int y)
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static void SetPositionFromConnection(struct MapConnection *connection, int direction, int x, int y)
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{
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struct MapHeader const *mapHeader;
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mapHeader = GetMapHeaderFromConnection(connection);
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@ -765,69 +769,57 @@ void sub_80887F8(struct MapConnection *connection, int direction, int x, int y)
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bool8 CameraMove(int x, int y)
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{
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unsigned int direction;
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int direction;
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struct MapConnection *connection;
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int old_x, old_y;
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gCamera.active = FALSE;
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direction = GetPostCameraMoveMapBorderId(x, y);
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if (direction + 1 <= 1)
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if (direction == CONNECTION_NONE || direction == CONNECTION_INVALID)
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{
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gSaveBlock1Ptr->pos.x += x;
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gSaveBlock1Ptr->pos.y += y;
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}
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else
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{
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save_serialize_map();
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SaveMapView();
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ClearMirageTowerPulseBlendEffect();
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old_x = gSaveBlock1Ptr->pos.x;
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old_y = gSaveBlock1Ptr->pos.y;
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connection = sub_8088950(direction, gSaveBlock1Ptr->pos.x, gSaveBlock1Ptr->pos.y);
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sub_80887F8(connection, direction, x, y);
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connection = GetIncomingConnection(direction, gSaveBlock1Ptr->pos.x, gSaveBlock1Ptr->pos.y);
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SetPositionFromConnection(connection, direction, x, y);
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LoadMapFromCameraTransition(connection->mapGroup, connection->mapNum);
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gCamera.active = TRUE;
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gCamera.x = old_x - gSaveBlock1Ptr->pos.x;
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gCamera.y = old_y - gSaveBlock1Ptr->pos.y;
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gSaveBlock1Ptr->pos.x += x;
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gSaveBlock1Ptr->pos.y += y;
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sub_80885C4(direction);
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MoveMapViewToBackup(direction);
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}
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return gCamera.active;
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}
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struct MapConnection *sub_8088950(u8 direction, int x, int y)
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static struct MapConnection *GetIncomingConnection(u8 direction, int x, int y)
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{
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int count;
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int i;
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struct MapConnection *connection;
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const struct MapConnections *connections = gMapHeader.connections;
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// UB: Multiple possible null dereferences
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#ifdef UBFIX
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if (connections != NULL)
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{
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count = connections->count;
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connection = connections->connections;
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if (connection != NULL)
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{
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for (i = 0; i < count; i++, connection++)
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{
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if (connection->direction == direction && sub_80889A8(direction, x, y, connection) == TRUE)
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return connection;
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}
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}
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}
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#else
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#ifdef UBFIX // UB: Multiple possible null dereferences
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if (connections == NULL || connections->connections == NULL)
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return NULL;
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#endif
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count = connections->count;
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connection = connections->connections;
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for (i = 0; i < count; i++, connection++)
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{
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if (connection->direction == direction && sub_80889A8(direction, x, y, connection) == TRUE)
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if (connection->direction == direction && IsPosInIncomingConnectingMap(direction, x, y, connection) == TRUE)
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return connection;
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}
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#endif
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return NULL;
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}
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bool8 sub_80889A8(u8 direction, int x, int y, struct MapConnection *connection)
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static bool8 IsPosInIncomingConnectingMap(u8 direction, int x, int y, struct MapConnection *connection)
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{
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struct MapHeader const *mapHeader;
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mapHeader = GetMapHeaderFromConnection(connection);
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@ -835,15 +827,15 @@ bool8 sub_80889A8(u8 direction, int x, int y, struct MapConnection *connection)
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{
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case CONNECTION_SOUTH:
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case CONNECTION_NORTH:
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return sub_8088A0C(x, gMapHeader.mapLayout->width, mapHeader->mapLayout->width, connection->offset);
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return IsCoordInIncomingConnectingMap(x, gMapHeader.mapLayout->width, mapHeader->mapLayout->width, connection->offset);
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case CONNECTION_WEST:
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case CONNECTION_EAST:
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return sub_8088A0C(y, gMapHeader.mapLayout->height, mapHeader->mapLayout->height, connection->offset);
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return IsCoordInIncomingConnectingMap(y, gMapHeader.mapLayout->height, mapHeader->mapLayout->height, connection->offset);
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}
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return FALSE;
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}
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bool8 sub_8088A0C(int x, int src_width, int dest_width, int offset)
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static bool8 IsCoordInIncomingConnectingMap(int coord, int srcMax, int destMax, int offset)
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{
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int offset2;
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offset2 = offset;
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@ -851,24 +843,24 @@ bool8 sub_8088A0C(int x, int src_width, int dest_width, int offset)
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if (offset2 < 0)
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offset2 = 0;
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if (dest_width + offset < src_width)
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src_width = dest_width + offset;
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if (destMax + offset < srcMax)
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srcMax = destMax + offset;
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if (offset2 <= x && x <= src_width)
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if (offset2 <= coord && coord <= srcMax)
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return TRUE;
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return FALSE;
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}
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int sub_8088A38(int x, int width)
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static int IsCoordInConnectingMap(int coord, int max)
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{
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if (x >= 0 && x < width)
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if (coord >= 0 && coord < max)
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return TRUE;
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return FALSE;
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}
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int sub_8088A4C(struct MapConnection *connection, int x, int y)
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static int IsPosInConnectingMap(struct MapConnection *connection, int x, int y)
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{
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struct MapHeader const *mapHeader;
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mapHeader = GetMapHeaderFromConnection(connection);
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@ -876,10 +868,10 @@ int sub_8088A4C(struct MapConnection *connection, int x, int y)
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{
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case CONNECTION_SOUTH:
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case CONNECTION_NORTH:
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return sub_8088A38(x - connection->offset, mapHeader->mapLayout->width);
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return IsCoordInConnectingMap(x - connection->offset, mapHeader->mapLayout->width);
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case CONNECTION_WEST:
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case CONNECTION_EAST:
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return sub_8088A38(y - connection->offset, mapHeader->mapLayout->height);
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return IsCoordInConnectingMap(y - connection->offset, mapHeader->mapLayout->height);
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}
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return FALSE;
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}
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@ -909,7 +901,7 @@ struct MapConnection *GetConnectionAtCoords(s16 x, s16 y)
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{
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continue;
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}
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if (sub_8088A4C(connection, x - 7, y - 7) == TRUE)
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if (IsPosInConnectingMap(connection, x - 7, y - 7) == TRUE)
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{
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return connection;
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}
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@ -991,12 +983,12 @@ static void CopyTilesetToVramUsingHeap(struct Tileset const *tileset, u16 numTil
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}
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}
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void nullsub_3(u16 a0, u16 a1)
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static void FieldmapPaletteDummy(u16 offset, u16 size)
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{
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}
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void nullsub_90(void)
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static void FieldmapUnkDummy(void)
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{
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}
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@ -1011,17 +1003,17 @@ void LoadTilesetPalette(struct Tileset const *tileset, u16 destOffset, u16 size)
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{
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LoadPalette(&black, destOffset, 2);
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LoadPalette(((u16*)tileset->palettes) + 1, destOffset + 1, size - 2);
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nullsub_3(destOffset + 1, (size - 2) >> 1);
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FieldmapPaletteDummy(destOffset + 1, (size - 2) >> 1);
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}
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else if (tileset->isSecondary == TRUE)
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{
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LoadPalette(((u16*)tileset->palettes) + (NUM_PALS_IN_PRIMARY * 16), destOffset, size);
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nullsub_3(destOffset, size >> 1);
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FieldmapPaletteDummy(destOffset, size >> 1);
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}
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else
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{
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LoadCompressedPalette((u32*)tileset->palettes, destOffset, size);
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nullsub_3(destOffset, size >> 1);
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FieldmapPaletteDummy(destOffset, size >> 1);
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}
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}
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}
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|
@ -913,7 +913,7 @@ void Task_LinkSave(u8 taskId)
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if (IsLinkTaskFinished())
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{
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if (!tPartialSave)
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save_serialize_map();
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SaveMapView();
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tState = 3;
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}
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break;
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|
@ -850,7 +850,7 @@ static bool8 BattlePyramidRetireCallback(void)
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static void InitSave(void)
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{
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save_serialize_map();
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SaveMapView();
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sSaveDialogCallback = SaveConfirmSaveCallback;
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sSavingComplete = FALSE;
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}
|
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Loading…
Reference in New Issue
Block a user