mirror of
https://github.com/Ninjdai1/pokeemerald.git
synced 2024-11-17 03:57:38 +01:00
1071 lines
27 KiB
C
1071 lines
27 KiB
C
#include "global.h"
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#include "battle_pyramid.h"
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#include "bg.h"
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#include "fieldmap.h"
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#include "fldeff.h"
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#include "fldeff_misc.h"
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#include "frontier_util.h"
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#include "menu.h"
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#include "mirage_tower.h"
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#include "overworld.h"
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#include "palette.h"
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#include "pokenav.h"
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#include "script.h"
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#include "secret_base.h"
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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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struct ConnectionFlags
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{
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u8 south:1;
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u8 north:1;
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u8 west:1;
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u8 east:1;
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};
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EWRAM_DATA static u16 gBackupMapData[MAX_MAP_DATA_SIZE] = {0};
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EWRAM_DATA struct MapHeader gMapHeader = {0};
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EWRAM_DATA struct Camera gCamera = {0};
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EWRAM_DATA static struct ConnectionFlags gMapConnectionFlags = {0};
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EWRAM_DATA static u32 sFiller_02037344 = 0; // without this, the next file won't align properly
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struct BackupMapLayout gBackupMapLayout;
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static const struct ConnectionFlags sDummyConnectionFlags = {0};
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static void InitMapLayoutData(struct MapHeader *mapHeader);
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static void InitBackupMapLayoutData(u16 *map, u16 width, u16 height);
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static void FillSouthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
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static void FillNorthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
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static void FillWestConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
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static void FillEastConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
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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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struct MapHeader const *const GetMapHeaderFromConnection(struct MapConnection *connection)
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{
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return Overworld_GetMapHeaderByGroupAndId(connection->mapGroup, connection->mapNum);
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}
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void InitMap(void)
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{
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InitMapLayoutData(&gMapHeader);
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SetOccupiedSecretBaseEntranceMetatiles(gMapHeader.events);
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RunOnLoadMapScript();
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}
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void InitMapFromSavedGame(void)
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{
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InitMapLayoutData(&gMapHeader);
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InitSecretBaseAppearance(FALSE);
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SetOccupiedSecretBaseEntranceMetatiles(gMapHeader.events);
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LoadSavedMapView();
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RunOnLoadMapScript();
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UpdateTVScreensOnMap(gBackupMapLayout.width, gBackupMapLayout.height);
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}
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void InitBattlePyramidMap(bool8 setPlayerPosition)
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{
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CpuFastFill(0x03ff03ff, gBackupMapData, sizeof(gBackupMapData));
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GenerateBattlePyramidFloorLayout(gBackupMapData, setPlayerPosition);
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}
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void InitTrainerHillMap(void)
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{
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CpuFastFill(0x03ff03ff, gBackupMapData, sizeof(gBackupMapData));
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GenerateTrainerHillFloorLayout(gBackupMapData);
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}
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static void InitMapLayoutData(struct MapHeader *mapHeader)
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{
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struct MapLayout const *mapLayout;
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int width;
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int height;
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mapLayout = mapHeader->mapLayout;
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CpuFastFill16(0x03ff, gBackupMapData, sizeof(gBackupMapData));
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gBackupMapLayout.map = gBackupMapData;
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width = mapLayout->width + 15;
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gBackupMapLayout.width = width;
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height = mapLayout->height + 14;
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gBackupMapLayout.height = height;
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if (width * height <= MAX_MAP_DATA_SIZE)
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{
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InitBackupMapLayoutData(mapLayout->map, mapLayout->width, mapLayout->height);
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InitBackupMapLayoutConnections(mapHeader);
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}
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}
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static void InitBackupMapLayoutData(u16 *map, u16 width, u16 height)
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{
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u16 *dest;
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int y;
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dest = gBackupMapLayout.map;
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dest += gBackupMapLayout.width * 7 + 7;
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for (y = 0; y < height; y++)
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{
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CpuCopy16(map, dest, width * 2);
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dest += width + 15;
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map += width;
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}
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}
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static void InitBackupMapLayoutConnections(struct MapHeader *mapHeader)
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{
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int count;
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struct MapConnection *connection;
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int i;
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if (mapHeader->connections)
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{
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count = mapHeader->connections->count;
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connection = mapHeader->connections->connections;
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gMapConnectionFlags = sDummyConnectionFlags;
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for (i = 0; i < count; i++, connection++)
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{
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struct MapHeader const *cMap = GetMapHeaderFromConnection(connection);
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u32 offset = connection->offset;
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switch (connection->direction)
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{
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case CONNECTION_SOUTH:
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FillSouthConnection(mapHeader, cMap, offset);
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gMapConnectionFlags.south = 1;
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break;
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case CONNECTION_NORTH:
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FillNorthConnection(mapHeader, cMap, offset);
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gMapConnectionFlags.north = 1;
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break;
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case CONNECTION_WEST:
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FillWestConnection(mapHeader, cMap, offset);
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gMapConnectionFlags.west = 1;
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break;
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case CONNECTION_EAST:
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FillEastConnection(mapHeader, cMap, offset);
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gMapConnectionFlags.east = 1;
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break;
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}
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}
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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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{
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int i;
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u16 *src;
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u16 *dest;
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int mapWidth;
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mapWidth = connectedMapHeader->mapLayout->width;
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src = &connectedMapHeader->mapLayout->map[mapWidth * y2 + x2];
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dest = &gBackupMapLayout.map[gBackupMapLayout.width * y + x];
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for (i = 0; i < height; i++)
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{
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CpuCopy16(src, dest, width * 2);
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dest += gBackupMapLayout.width;
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src += mapWidth;
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}
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}
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static void FillSouthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset)
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{
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int x, y;
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int x2;
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int width;
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int cWidth;
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if (connectedMapHeader)
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{
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cWidth = connectedMapHeader->mapLayout->width;
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x = offset + 7;
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y = mapHeader->mapLayout->height + 7;
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if (x < 0)
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{
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x2 = -x;
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x += cWidth;
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if (x < gBackupMapLayout.width)
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{
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width = x;
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}
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else
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{
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width = gBackupMapLayout.width;
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}
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x = 0;
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}
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else
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{
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x2 = 0;
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if (x + cWidth < gBackupMapLayout.width)
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{
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width = cWidth;
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}
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else
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{
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width = gBackupMapLayout.width - x;
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}
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}
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sub_8087F54(
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x, y,
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connectedMapHeader,
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x2, /*y2*/ 0,
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width, /*height*/ 7);
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}
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}
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static void FillNorthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset)
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{
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int x;
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int x2, y2;
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int width;
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int cWidth, cHeight;
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if (connectedMapHeader)
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{
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cWidth = connectedMapHeader->mapLayout->width;
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cHeight = connectedMapHeader->mapLayout->height;
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x = offset + 7;
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y2 = cHeight - 7;
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if (x < 0)
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{
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x2 = -x;
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x += cWidth;
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if (x < gBackupMapLayout.width)
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{
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width = x;
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}
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else
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{
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width = gBackupMapLayout.width;
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}
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x = 0;
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}
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else
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{
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x2 = 0;
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if (x + cWidth < gBackupMapLayout.width)
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{
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width = cWidth;
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}
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else
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{
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width = gBackupMapLayout.width - x;
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}
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}
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sub_8087F54(
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x, /*y*/ 0,
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connectedMapHeader,
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x2, y2,
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width, /*height*/ 7);
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}
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}
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static void FillWestConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset)
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{
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int y;
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int x2, y2;
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int height;
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int cWidth, cHeight;
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if (connectedMapHeader)
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{
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cWidth = connectedMapHeader->mapLayout->width;
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cHeight = connectedMapHeader->mapLayout->height;
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y = offset + 7;
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x2 = cWidth - 7;
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if (y < 0)
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{
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y2 = -y;
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if (y + cHeight < gBackupMapLayout.height)
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{
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height = y + cHeight;
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}
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else
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{
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height = gBackupMapLayout.height;
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}
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y = 0;
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}
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else
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{
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y2 = 0;
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if (y + cHeight < gBackupMapLayout.height)
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{
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height = cHeight;
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}
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else
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{
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height = gBackupMapLayout.height - y;
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}
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}
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sub_8087F54(
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/*x*/ 0, y,
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connectedMapHeader,
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x2, y2,
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/*width*/ 7, height);
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}
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}
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static void FillEastConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset)
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{
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int x, y;
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int y2;
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int height;
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int cHeight;
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if (connectedMapHeader)
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{
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cHeight = connectedMapHeader->mapLayout->height;
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x = mapHeader->mapLayout->width + 7;
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y = offset + 7;
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if (y < 0)
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{
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y2 = -y;
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if (y + cHeight < gBackupMapLayout.height)
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{
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height = y + cHeight;
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}
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else
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{
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height = gBackupMapLayout.height;
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}
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y = 0;
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}
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else
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{
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y2 = 0;
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if (y + cHeight < gBackupMapLayout.height)
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{
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height = cHeight;
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}
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else
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{
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height = gBackupMapLayout.height - y;
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}
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}
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sub_8087F54(
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x, y,
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connectedMapHeader,
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/*x2*/ 0, y2,
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/*width*/ 8, height);
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}
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}
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union Block
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{
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struct
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{
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u16 block:10;
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u16 collision:2;
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u16 elevation:4;
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} block;
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u16 value;
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};
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u8 MapGridGetZCoordAt(int x, int y)
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{
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u16 block;
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int i;
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u16 *border;
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if (x >= 0 && x < gBackupMapLayout.width
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&& y >= 0 && y < gBackupMapLayout.height)
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{
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block = gBackupMapLayout.map[x + gBackupMapLayout.width * y];
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}
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else
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{
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border = gMapHeader.mapLayout->border;
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i = (x + 1) & 1;
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i += ((y + 1) & 1) * 2;
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block = gMapHeader.mapLayout->border[i];
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block |= METATILE_COLLISION_MASK;
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}
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if (block == METATILE_ID_UNDEFINED)
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{
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return 0;
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}
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return block >> METATILE_ELEVATION_SHIFT;
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}
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u8 MapGridIsImpassableAt(int x, int y)
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{
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u16 block;
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int i;
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u16 *border;
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if (x >= 0 && x < gBackupMapLayout.width
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&& y >= 0 && y < gBackupMapLayout.height)
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{
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block = gBackupMapLayout.map[x + gBackupMapLayout.width * y];
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}
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else
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{
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border = gMapHeader.mapLayout->border;
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i = (x + 1) & 1;
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i += ((y + 1) & 1) * 2;
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block = gMapHeader.mapLayout->border[i];
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block |= METATILE_COLLISION_MASK;
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}
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if (block == METATILE_ID_UNDEFINED)
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{
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return 1;
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}
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return (block & METATILE_COLLISION_MASK) >> METATILE_COLLISION_SHIFT;
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}
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u32 MapGridGetMetatileIdAt(int x, int y)
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{
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u16 block;
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int i;
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int j;
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struct MapLayout const *mapLayout;
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u16 *border;
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u16 block2;
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if (x >= 0 && x < gBackupMapLayout.width
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&& y >= 0 && y < gBackupMapLayout.height)
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{
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block = gBackupMapLayout.map[x + gBackupMapLayout.width * y];
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}
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else
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{
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mapLayout = gMapHeader.mapLayout;
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i = (x + 1) & 1;
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i += ((y + 1) & 1) * 2;
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block = mapLayout->border[i] | METATILE_COLLISION_MASK;
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}
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if (block == METATILE_ID_UNDEFINED)
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{
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border = gMapHeader.mapLayout->border;
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j = (x + 1) & 1;
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j += ((y + 1) & 1) * 2;
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block2 = gMapHeader.mapLayout->border[j];
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// This OR is completely pointless.
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block2 |= METATILE_COLLISION_MASK;
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return block2 & METATILE_ID_MASK;
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}
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return block & METATILE_ID_MASK;
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}
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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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}
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u8 MapGridGetMetatileLayerTypeAt(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) & METATILE_ELEVATION_MASK) >> METATILE_ELEVATION_SHIFT;
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}
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void MapGridSetMetatileIdAt(int x, int y, u16 metatile)
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{
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int i;
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if (x >= 0 && x < gBackupMapLayout.width
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&& y >= 0 && y < gBackupMapLayout.height)
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{
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i = x + y * gBackupMapLayout.width;
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gBackupMapLayout.map[i] = (gBackupMapLayout.map[i] & METATILE_ELEVATION_MASK) | (metatile & ~METATILE_ELEVATION_MASK);
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}
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}
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void MapGridSetMetatileEntryAt(int x, int y, u16 metatile)
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{
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int i;
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if (x >= 0 && x < gBackupMapLayout.width
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&& y >= 0 && y < gBackupMapLayout.height)
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{
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i = x + gBackupMapLayout.width * y;
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gBackupMapLayout.map[i] = metatile;
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}
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}
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u16 GetBehaviorByMetatileId(u16 metatile)
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{
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u16 *attributes;
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if (metatile < NUM_METATILES_IN_PRIMARY)
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{
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attributes = gMapHeader.mapLayout->primaryTileset->metatileAttributes;
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return attributes[metatile];
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}
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else if (metatile < NUM_METATILES_TOTAL)
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{
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attributes = gMapHeader.mapLayout->secondaryTileset->metatileAttributes;
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return attributes[metatile - NUM_METATILES_IN_PRIMARY];
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}
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else
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{
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return 0xFF;
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}
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}
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void save_serialize_map(void)
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{
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int i, j;
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int x, y;
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u16 *mapView;
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int width;
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mapView = gSaveBlock1Ptr->mapView;
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width = gBackupMapLayout.width;
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x = gSaveBlock1Ptr->pos.x;
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y = gSaveBlock1Ptr->pos.y;
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for (i = y; i < y + 14; i++)
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{
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for (j = x; j < x + 15; j++)
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{
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*mapView++ = gBackupMapData[width * i + j];
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}
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}
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}
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static bool32 SavedMapViewIsEmpty(void)
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{
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u16 i;
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u32 marker = 0;
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#ifndef UBFIX
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// BUG: This loop extends past the bounds of the mapView array. Its size is only 0x100.
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for (i = 0; i < 0x200; i++)
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marker |= gSaveBlock1Ptr->mapView[i];
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#else
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// UBFIX: Only iterate over 0x100
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for (i = 0; i < ARRAY_COUNT(gSaveBlock1Ptr->mapView); i++)
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marker |= gSaveBlock1Ptr->mapView[i];
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#endif
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if (marker == 0)
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return TRUE;
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else
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return FALSE;
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}
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static void ClearSavedMapView(void)
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{
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CpuFill16(0, gSaveBlock1Ptr->mapView, sizeof(gSaveBlock1Ptr->mapView));
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}
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static void LoadSavedMapView(void)
|
|
{
|
|
u8 yMode;
|
|
int i, j;
|
|
int x, y;
|
|
u16 *mapView;
|
|
int width;
|
|
mapView = gSaveBlock1Ptr->mapView;
|
|
if (!SavedMapViewIsEmpty())
|
|
{
|
|
width = gBackupMapLayout.width;
|
|
x = gSaveBlock1Ptr->pos.x;
|
|
y = gSaveBlock1Ptr->pos.y;
|
|
for (i = y; i < y + 14; i++)
|
|
{
|
|
if (i == y && i != 0)
|
|
yMode = 0;
|
|
else if (i == y + 13 && i != gMapHeader.mapLayout->height - 1)
|
|
yMode = 1;
|
|
else
|
|
yMode = 0xFF;
|
|
|
|
for (j = x; j < x + 15; j++)
|
|
{
|
|
if (!SkipCopyingMetatileFromSavedMap(&gBackupMapData[j + width * i], width, yMode))
|
|
gBackupMapData[j + width * i] = *mapView;
|
|
mapView++;
|
|
}
|
|
}
|
|
for (j = x; j < x + 15; j++)
|
|
{
|
|
if (y != 0)
|
|
FixLongGrassMetatilesWindowTop(j, y - 1);
|
|
if (i < gMapHeader.mapLayout->height - 1)
|
|
FixLongGrassMetatilesWindowBottom(j, y + 13);
|
|
}
|
|
ClearSavedMapView();
|
|
}
|
|
}
|
|
|
|
void sub_80885C4(u8 a1)
|
|
{
|
|
int width;
|
|
u16 *mapView;
|
|
int x0, y0;
|
|
int x2, y2;
|
|
u16 *src, *dest;
|
|
int srci, desti;
|
|
int r9, r8;
|
|
int x, y;
|
|
int i, j;
|
|
mapView = gSaveBlock1Ptr->mapView;
|
|
width = gBackupMapLayout.width;
|
|
r9 = 0;
|
|
r8 = 0;
|
|
x0 = gSaveBlock1Ptr->pos.x;
|
|
y0 = gSaveBlock1Ptr->pos.y;
|
|
x2 = 15;
|
|
y2 = 14;
|
|
switch (a1)
|
|
{
|
|
case CONNECTION_NORTH:
|
|
y0 += 1;
|
|
y2 = 13;
|
|
break;
|
|
case CONNECTION_SOUTH:
|
|
r8 = 1;
|
|
y2 = 13;
|
|
break;
|
|
case CONNECTION_WEST:
|
|
x0 += 1;
|
|
x2 = 14;
|
|
break;
|
|
case CONNECTION_EAST:
|
|
r9 = 1;
|
|
x2 = 14;
|
|
break;
|
|
}
|
|
for (y = 0; y < y2; y++)
|
|
{
|
|
i = 0;
|
|
j = 0;
|
|
for (x = 0; x < x2; x++)
|
|
{
|
|
desti = width * (y + y0);
|
|
srci = (y + r8) * 15 + r9;
|
|
src = &mapView[srci + i];
|
|
dest = &gBackupMapData[x0 + desti + j];
|
|
*dest = *src;
|
|
i++;
|
|
j++;
|
|
}
|
|
}
|
|
ClearSavedMapView();
|
|
}
|
|
|
|
int GetMapBorderIdAt(int x, int y)
|
|
{
|
|
struct MapLayout const *mapLayout;
|
|
u16 block, block2;
|
|
int i, j;
|
|
if (x >= 0 && x < gBackupMapLayout.width
|
|
&& y >= 0 && y < gBackupMapLayout.height)
|
|
{
|
|
i = gBackupMapLayout.width;
|
|
i *= y;
|
|
block = gBackupMapLayout.map[x + i];
|
|
if (block == METATILE_ID_UNDEFINED)
|
|
{
|
|
goto fail;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mapLayout = gMapHeader.mapLayout;
|
|
j = (x + 1) & 1;
|
|
j += ((y + 1) & 1) * 2;
|
|
block2 = METATILE_COLLISION_MASK | mapLayout->border[j];
|
|
if (block2 == METATILE_ID_UNDEFINED)
|
|
{
|
|
goto fail;
|
|
}
|
|
}
|
|
goto success;
|
|
fail:
|
|
return -1;
|
|
success:
|
|
|
|
if (x >= (gBackupMapLayout.width - 8))
|
|
{
|
|
if (!gMapConnectionFlags.east)
|
|
{
|
|
return -1;
|
|
}
|
|
return CONNECTION_EAST;
|
|
}
|
|
else if (x < 7)
|
|
{
|
|
if (!gMapConnectionFlags.west)
|
|
{
|
|
return -1;
|
|
}
|
|
return CONNECTION_WEST;
|
|
}
|
|
else if (y >= (gBackupMapLayout.height - 7))
|
|
{
|
|
if (!gMapConnectionFlags.south)
|
|
{
|
|
return -1;
|
|
}
|
|
return CONNECTION_SOUTH;
|
|
}
|
|
else if (y < 7)
|
|
{
|
|
if (!gMapConnectionFlags.north)
|
|
{
|
|
return -1;
|
|
}
|
|
return CONNECTION_NORTH;
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
int GetPostCameraMoveMapBorderId(int x, int y)
|
|
{
|
|
return GetMapBorderIdAt(gSaveBlock1Ptr->pos.x + 7 + x, gSaveBlock1Ptr->pos.y + 7 + y);
|
|
}
|
|
|
|
int CanCameraMoveInDirection(int direction)
|
|
{
|
|
int x, y;
|
|
x = gSaveBlock1Ptr->pos.x + 7 + gDirectionToVectors[direction].x;
|
|
y = gSaveBlock1Ptr->pos.y + 7 + gDirectionToVectors[direction].y;
|
|
if (GetMapBorderIdAt(x, y) == -1)
|
|
{
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void sub_80887F8(struct MapConnection *connection, int direction, int x, int y)
|
|
{
|
|
struct MapHeader const *mapHeader;
|
|
mapHeader = GetMapHeaderFromConnection(connection);
|
|
switch (direction)
|
|
{
|
|
case CONNECTION_EAST:
|
|
gSaveBlock1Ptr->pos.x = -x;
|
|
gSaveBlock1Ptr->pos.y -= connection->offset;
|
|
break;
|
|
case CONNECTION_WEST:
|
|
gSaveBlock1Ptr->pos.x = mapHeader->mapLayout->width;
|
|
gSaveBlock1Ptr->pos.y -= connection->offset;
|
|
break;
|
|
case CONNECTION_SOUTH:
|
|
gSaveBlock1Ptr->pos.x -= connection->offset;
|
|
gSaveBlock1Ptr->pos.y = -y;
|
|
break;
|
|
case CONNECTION_NORTH:
|
|
gSaveBlock1Ptr->pos.x -= connection->offset;
|
|
gSaveBlock1Ptr->pos.y = mapHeader->mapLayout->height;
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool8 CameraMove(int x, int y)
|
|
{
|
|
unsigned int direction;
|
|
struct MapConnection *connection;
|
|
int old_x, old_y;
|
|
gCamera.active = FALSE;
|
|
direction = GetPostCameraMoveMapBorderId(x, y);
|
|
if (direction + 1 <= 1)
|
|
{
|
|
gSaveBlock1Ptr->pos.x += x;
|
|
gSaveBlock1Ptr->pos.y += y;
|
|
}
|
|
else
|
|
{
|
|
save_serialize_map();
|
|
ClearMirageTowerPulseBlendEffect();
|
|
old_x = gSaveBlock1Ptr->pos.x;
|
|
old_y = gSaveBlock1Ptr->pos.y;
|
|
connection = sub_8088950(direction, gSaveBlock1Ptr->pos.x, gSaveBlock1Ptr->pos.y);
|
|
sub_80887F8(connection, direction, x, y);
|
|
LoadMapFromCameraTransition(connection->mapGroup, connection->mapNum);
|
|
gCamera.active = TRUE;
|
|
gCamera.x = old_x - gSaveBlock1Ptr->pos.x;
|
|
gCamera.y = old_y - gSaveBlock1Ptr->pos.y;
|
|
gSaveBlock1Ptr->pos.x += x;
|
|
gSaveBlock1Ptr->pos.y += y;
|
|
sub_80885C4(direction);
|
|
}
|
|
return gCamera.active;
|
|
}
|
|
|
|
struct MapConnection *sub_8088950(u8 direction, int x, int y)
|
|
{
|
|
int count;
|
|
int i;
|
|
struct MapConnection *connection;
|
|
const struct MapConnections *connections = gMapHeader.connections;
|
|
// UB: Multiple possible null dereferences
|
|
#ifdef UBFIX
|
|
if (connections != NULL)
|
|
{
|
|
count = connections->count;
|
|
connection = connections->connections;
|
|
if (connection != NULL)
|
|
{
|
|
for (i = 0; i < count; i++, connection++)
|
|
{
|
|
if (connection->direction == direction && sub_80889A8(direction, x, y, connection) == TRUE)
|
|
return connection;
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
count = connections->count;
|
|
connection = connections->connections;
|
|
for (i = 0; i < count; i++, connection++)
|
|
{
|
|
if (connection->direction == direction && sub_80889A8(direction, x, y, connection) == TRUE)
|
|
return connection;
|
|
}
|
|
#endif
|
|
return NULL;
|
|
}
|
|
|
|
bool8 sub_80889A8(u8 direction, int x, int y, struct MapConnection *connection)
|
|
{
|
|
struct MapHeader const *mapHeader;
|
|
mapHeader = GetMapHeaderFromConnection(connection);
|
|
switch (direction)
|
|
{
|
|
case CONNECTION_SOUTH:
|
|
case CONNECTION_NORTH:
|
|
return sub_8088A0C(x, gMapHeader.mapLayout->width, mapHeader->mapLayout->width, connection->offset);
|
|
case CONNECTION_WEST:
|
|
case CONNECTION_EAST:
|
|
return sub_8088A0C(y, gMapHeader.mapLayout->height, mapHeader->mapLayout->height, connection->offset);
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
bool8 sub_8088A0C(int x, int src_width, int dest_width, int offset)
|
|
{
|
|
int offset2;
|
|
offset2 = offset;
|
|
|
|
if (offset2 < 0)
|
|
offset2 = 0;
|
|
|
|
if (dest_width + offset < src_width)
|
|
src_width = dest_width + offset;
|
|
|
|
if (offset2 <= x && x <= src_width)
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
int sub_8088A38(int x, int width)
|
|
{
|
|
if (x >= 0 && x < width)
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
int sub_8088A4C(struct MapConnection *connection, int x, int y)
|
|
{
|
|
struct MapHeader const *mapHeader;
|
|
mapHeader = GetMapHeaderFromConnection(connection);
|
|
switch (connection->direction)
|
|
{
|
|
case CONNECTION_SOUTH:
|
|
case CONNECTION_NORTH:
|
|
return sub_8088A38(x - connection->offset, mapHeader->mapLayout->width);
|
|
case CONNECTION_WEST:
|
|
case CONNECTION_EAST:
|
|
return sub_8088A38(y - connection->offset, mapHeader->mapLayout->height);
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
struct MapConnection *GetConnectionAtCoords(s16 x, s16 y)
|
|
{
|
|
int count;
|
|
struct MapConnection *connection;
|
|
int i;
|
|
u8 direction;
|
|
if (!gMapHeader.connections)
|
|
{
|
|
return NULL;
|
|
}
|
|
else
|
|
{
|
|
count = gMapHeader.connections->count;
|
|
connection = gMapHeader.connections->connections;
|
|
for (i = 0; i < count; i++, connection++)
|
|
{
|
|
direction = connection->direction;
|
|
if ((direction == CONNECTION_DIVE || direction == CONNECTION_EMERGE)
|
|
|| (direction == CONNECTION_NORTH && y > 6)
|
|
|| (direction == CONNECTION_SOUTH && y < gMapHeader.mapLayout->height + 7)
|
|
|| (direction == CONNECTION_WEST && x > 6)
|
|
|| (direction == CONNECTION_EAST && x < gMapHeader.mapLayout->width + 7))
|
|
{
|
|
continue;
|
|
}
|
|
if (sub_8088A4C(connection, x - 7, y - 7) == TRUE)
|
|
{
|
|
return connection;
|
|
}
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void SetCameraFocusCoords(u16 x, u16 y)
|
|
{
|
|
gSaveBlock1Ptr->pos.x = x - 7;
|
|
gSaveBlock1Ptr->pos.y = y - 7;
|
|
}
|
|
|
|
void GetCameraFocusCoords(u16 *x, u16 *y)
|
|
{
|
|
*x = gSaveBlock1Ptr->pos.x + 7;
|
|
*y = gSaveBlock1Ptr->pos.y + 7;
|
|
}
|
|
|
|
// Unused
|
|
static void SetCameraCoords(u16 x, u16 y)
|
|
{
|
|
gSaveBlock1Ptr->pos.x = x;
|
|
gSaveBlock1Ptr->pos.y = y;
|
|
}
|
|
|
|
void GetCameraCoords(u16 *x, u16 *y)
|
|
{
|
|
*x = gSaveBlock1Ptr->pos.x;
|
|
*y = gSaveBlock1Ptr->pos.y;
|
|
}
|
|
|
|
void MapGridSetMetatileImpassabilityAt(int x, int y, bool32 impassable)
|
|
{
|
|
if (x >= 0 && x < gBackupMapLayout.width && y >= 0 && y < gBackupMapLayout.height)
|
|
{
|
|
if (impassable)
|
|
gBackupMapLayout.map[x + gBackupMapLayout.width * y] |= METATILE_COLLISION_MASK;
|
|
else
|
|
gBackupMapLayout.map[x + gBackupMapLayout.width * y] &= ~METATILE_COLLISION_MASK;
|
|
}
|
|
}
|
|
|
|
static bool8 SkipCopyingMetatileFromSavedMap(u16* mapMetatilePtr, u16 mapWidth, u8 yMode)
|
|
{
|
|
if (yMode == 0xFF)
|
|
return FALSE;
|
|
|
|
if (yMode == 0)
|
|
mapMetatilePtr -= mapWidth;
|
|
else
|
|
mapMetatilePtr += mapWidth;
|
|
|
|
if (IsLargeBreakableDecoration(*mapMetatilePtr & METATILE_ID_MASK, yMode) == TRUE)
|
|
return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
static void CopyTilesetToVram(struct Tileset const *tileset, u16 numTiles, u16 offset)
|
|
{
|
|
if (tileset)
|
|
{
|
|
if (!tileset->isCompressed)
|
|
LoadBgTiles(2, tileset->tiles, numTiles * 32, offset);
|
|
else
|
|
DecompressAndCopyTileDataToVram(2, tileset->tiles, numTiles * 32, offset, 0);
|
|
}
|
|
}
|
|
|
|
static void CopyTilesetToVramUsingHeap(struct Tileset const *tileset, u16 numTiles, u16 offset)
|
|
{
|
|
if (tileset)
|
|
{
|
|
if (!tileset->isCompressed)
|
|
LoadBgTiles(2, tileset->tiles, numTiles * 32, offset);
|
|
else
|
|
DecompressAndLoadBgGfxUsingHeap(2, tileset->tiles, numTiles * 32, offset, 0);
|
|
}
|
|
}
|
|
|
|
void nullsub_3(u16 a0, u16 a1)
|
|
{
|
|
|
|
}
|
|
|
|
void nullsub_90(void)
|
|
{
|
|
|
|
}
|
|
|
|
void LoadTilesetPalette(struct Tileset const *tileset, u16 destOffset, u16 size)
|
|
{
|
|
u16 black = RGB_BLACK;
|
|
|
|
if (tileset)
|
|
{
|
|
if (tileset->isSecondary == FALSE)
|
|
{
|
|
LoadPalette(&black, destOffset, 2);
|
|
LoadPalette(((u16*)tileset->palettes) + 1, destOffset + 1, size - 2);
|
|
nullsub_3(destOffset + 1, (size - 2) >> 1);
|
|
}
|
|
else if (tileset->isSecondary == TRUE)
|
|
{
|
|
LoadPalette(((u16*)tileset->palettes) + (NUM_PALS_IN_PRIMARY * 16), destOffset, size);
|
|
nullsub_3(destOffset, size >> 1);
|
|
}
|
|
else
|
|
{
|
|
LoadCompressedPalette((u32*)tileset->palettes, destOffset, size);
|
|
nullsub_3(destOffset, size >> 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
void CopyPrimaryTilesetToVram(struct MapLayout const *mapLayout)
|
|
{
|
|
CopyTilesetToVram(mapLayout->primaryTileset, NUM_TILES_IN_PRIMARY, 0);
|
|
}
|
|
|
|
void CopySecondaryTilesetToVram(struct MapLayout const *mapLayout)
|
|
{
|
|
CopyTilesetToVram(mapLayout->secondaryTileset, NUM_TILES_TOTAL - NUM_TILES_IN_PRIMARY, NUM_TILES_IN_PRIMARY);
|
|
}
|
|
|
|
void CopySecondaryTilesetToVramUsingHeap(struct MapLayout const *mapLayout)
|
|
{
|
|
CopyTilesetToVramUsingHeap(mapLayout->secondaryTileset, NUM_TILES_TOTAL - NUM_TILES_IN_PRIMARY, NUM_TILES_IN_PRIMARY);
|
|
}
|
|
|
|
static void LoadPrimaryTilesetPalette(struct MapLayout const *mapLayout)
|
|
{
|
|
LoadTilesetPalette(mapLayout->primaryTileset, 0, NUM_PALS_IN_PRIMARY * 16 * 2);
|
|
}
|
|
|
|
void LoadSecondaryTilesetPalette(struct MapLayout const *mapLayout)
|
|
{
|
|
LoadTilesetPalette(mapLayout->secondaryTileset, NUM_PALS_IN_PRIMARY * 16, (NUM_PALS_TOTAL - NUM_PALS_IN_PRIMARY) * 16 * 2);
|
|
}
|
|
|
|
void CopyMapTilesetsToVram(struct MapLayout const *mapLayout)
|
|
{
|
|
if (mapLayout)
|
|
{
|
|
CopyTilesetToVramUsingHeap(mapLayout->primaryTileset, NUM_TILES_IN_PRIMARY, 0);
|
|
CopyTilesetToVramUsingHeap(mapLayout->secondaryTileset, NUM_TILES_TOTAL - NUM_TILES_IN_PRIMARY, NUM_TILES_IN_PRIMARY);
|
|
}
|
|
}
|
|
|
|
void LoadMapTilesetPalettes(struct MapLayout const *mapLayout)
|
|
{
|
|
if (mapLayout)
|
|
{
|
|
LoadPrimaryTilesetPalette(mapLayout);
|
|
LoadSecondaryTilesetPalette(mapLayout);
|
|
}
|
|
}
|