scnorton
644 lines
16 KiB
C
644 lines
16 KiB
C
#include "global.h"
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#include "overworld.h"
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#include "script.h"
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#include "fieldmap.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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void sub_8058A00(struct MapHeader *mapHeader);
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void map_copy_with_padding(u16 *map, u16 width, u16 height);
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void mapheader_copy_mapdata_of_adjacent_maps(struct MapHeader *mapHeader);
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void fillSouthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
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void fillNorthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
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void fillWestConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
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void fillEastConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
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void LoadSavedMapView(void);
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struct BackupMapData VMap;
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EWRAM_DATA u16 gBackupMapData[VIRTUAL_MAP_SIZE] = {};
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EWRAM_DATA struct MapHeader gMapHeader = {};
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EWRAM_DATA struct ConnectionFlags gMapConnectionFlags = {};
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const struct ConnectionFlags sDummyConnectionFlags = {};
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const u32 gUnknown_8352EF0[] = {
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0x1ff,
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0x3e00,
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0x3c000,
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0xfc0000,
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0x7000000,
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0x18000000,
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0x60000000,
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0x80000000
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};
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const u8 gUnknown_8352F10[] = {
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0,
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9,
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14,
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18,
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24,
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27,
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29,
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31
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};
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const struct MapHeader * mapconnection_get_mapheader(struct MapConnection * connection)
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{
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return get_mapheader_by_bank_and_number(connection->mapGroup, connection->mapNum);
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}
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void not_trainer_hill_battle_pyramid(void)
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{
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sub_8058A00(&gMapHeader);
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mapheader_run_script_with_tag_x1();
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}
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void sub_80589E8(void)
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{
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sub_8058A00(&gMapHeader);
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LoadSavedMapView();
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mapheader_run_script_with_tag_x1();
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}
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void sub_8058A00(struct MapHeader * mapHeader)
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{
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const struct MapData * mapData = mapHeader->mapData;
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CpuFastFill(0x03FF03FF, gBackupMapData, sizeof(gBackupMapData));
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VMap.map = gBackupMapData;
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VMap.Xsize = mapData->width + 15;
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VMap.Ysize = mapData->height + 14;
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AGB_ASSERT_EX(VMap.Xsize * VMap.Ysize <= VIRTUAL_MAP_SIZE, "C:/WORK/POKeFRLG/src/pm_lgfr_ose/source/fieldmap.c", 158);
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map_copy_with_padding(mapData->map, mapData->width, mapData->height);
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mapheader_copy_mapdata_of_adjacent_maps(mapHeader);
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}
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void map_copy_with_padding(u16 *map, u16 width, u16 height)
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{
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s32 y;
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u16 *dest = VMap.map;
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dest += VMap.Xsize * 7 + 7;
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for (y = 0; y < height; y++)
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{
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CpuCopy16(map, dest, width * sizeof(u16));
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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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void mapheader_copy_mapdata_of_adjacent_maps(struct MapHeader *mapHeader)
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{
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s32 count;
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struct MapConnection *connection;
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s32 i;
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gMapConnectionFlags = sDummyConnectionFlags;
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/*
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* This null pointer check is new to FireRed. It was kept in
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* Emerald, with the above struct assignment moved to after
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* this check.
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*/
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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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// Emerald puts this line here instead:
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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 = mapconnection_get_mapheader(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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void sub_8058B54(s32 x, s32 y, const struct MapHeader *connectedMapHeader, s32 x2, s32 y2, s32 width, s32 height)
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{
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s32 i;
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u16 *src;
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u16 *dest;
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s32 mapWidth;
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mapWidth = connectedMapHeader->mapData->width;
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src = &connectedMapHeader->mapData->map[mapWidth * y2 + x2];
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dest = &VMap.map[VMap.Xsize * 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 += VMap.Xsize;
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src += mapWidth;
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}
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}
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void fillSouthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset)
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{
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s32 x, y;
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s32 x2;
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s32 width;
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s32 cWidth;
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if (connectedMapHeader)
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{
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cWidth = connectedMapHeader->mapData->width;
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x = offset + 7;
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y = mapHeader->mapData->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 < VMap.Xsize)
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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 = VMap.Xsize;
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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 < VMap.Xsize)
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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 = VMap.Xsize - x;
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}
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}
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sub_8058B54(
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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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void fillNorthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset)
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{
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s32 x;
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s32 x2, y2;
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s32 width;
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s32 cWidth, cHeight;
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if (connectedMapHeader)
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{
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cWidth = connectedMapHeader->mapData->width;
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cHeight = connectedMapHeader->mapData->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 < VMap.Xsize)
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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 = VMap.Xsize;
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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 < VMap.Xsize)
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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 = VMap.Xsize - x;
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}
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}
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sub_8058B54(
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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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void fillWestConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset)
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{
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s32 y;
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s32 x2, y2;
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s32 height;
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s32 cWidth, cHeight;
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if (connectedMapHeader)
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{
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cWidth = connectedMapHeader->mapData->width;
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cHeight = connectedMapHeader->mapData->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 < VMap.Ysize)
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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 = VMap.Ysize;
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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 < VMap.Ysize)
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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 = VMap.Ysize - y;
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}
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}
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sub_8058B54(
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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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void fillEastConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset)
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{
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s32 x, y;
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s32 y2;
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s32 height;
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s32 cHeight;
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if (connectedMapHeader)
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{
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cHeight = connectedMapHeader->mapData->height;
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x = mapHeader->mapData->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 < VMap.Ysize)
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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 = VMap.Ysize;
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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 < VMap.Ysize)
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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 = VMap.Ysize - y;
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}
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}
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sub_8058B54(
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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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#define MapGridGetBorderTileAt(x, y) ({ \
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u16 block; \
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s32 xprime; \
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s32 yprime; \
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\
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struct MapData *mapData = gMapHeader.mapData; \
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\
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xprime = x - 7; \
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xprime += 8 * mapData->unk18; \
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xprime %= mapData->unk18; \
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\
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yprime = y - 7; \
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yprime += 8 * mapData->unk19; \
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yprime %= mapData->unk19; \
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\
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block = mapData->border[xprime + yprime * mapData->unk18]; \
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block |= 0xC00; \
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block; \
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})
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#define MapGridGetBorderTileAt2(x, y) ({ \
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u16 block; \
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s32 xprime; \
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s32 yprime; \
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\
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struct MapData *mapData = gMapHeader.mapData; \
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\
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xprime = x - 7; \
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xprime += 8 * mapData->unk18; \
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xprime %= mapData->unk18; \
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\
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yprime = y - 7; \
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yprime += 8 * mapData->unk19; \
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yprime %= mapData->unk19; \
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\
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block = mapData->border[xprime + yprime * mapData->unk18] | 0xC00; \
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block; \
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})
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#define MapGridGetTileAt(x, y) ({ \
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u16 block; \
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if (x >= 0 && x < VMap.Xsize \
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&& y >= 0 && y < VMap.Ysize) \
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block = VMap.map[x + VMap.Xsize * y]; \
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else \
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block = MapGridGetBorderTileAt2(x, y); \
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block; \
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})
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u8 MapGridGetZCoordAt(s32 x, s32 y)
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{
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u16 block = MapGridGetTileAt(x, y);
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if (block == 0x3ff)
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{
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return 0;
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}
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return block >> 12;
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}
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u8 MapGridIsImpassableAt(s32 x, s32 y)
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{
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u16 block = MapGridGetTileAt(x, y);
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if (block == 0x3ff)
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{
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return 1;
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}
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return (block & 0xc00) >> 10;
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}
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u32 MapGridGetMetatileIdAt(s32 x, s32 y)
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{
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u16 block = MapGridGetTileAt(x, y);
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if (block == 0x3FF)
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{
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return MapGridGetBorderTileAt(x, y) & 0x3FF;
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}
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return block & 0x3FF;
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}
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u32 sub_8058F1C(u32 original, u8 bit)
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{
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if (bit >= 8)
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return original;
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return (original & gUnknown_8352EF0[bit]) >> gUnknown_8352F10[bit];
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}
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u32 sub_8058F48(s16 x, s16 y, u8 z)
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{
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u16 metatileId = MapGridGetMetatileIdAt(x, y);
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return GetBehaviorByMetatileIdAndMapData(gMapHeader.mapData, metatileId, z);
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}
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u32 MapGridGetMetatileBehaviorAt(s32 x, s32 y)
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{
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return sub_8058F48(x, y, 0);
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}
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u8 MapGridGetMetatileLayerTypeAt(s32 x, s32 y)
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{
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return sub_8058F48(x, y, 6);
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}
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void MapGridSetMetatileIdAt(s32 x, s32 y, u16 metatile)
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{
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s32 i;
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if (x >= 0 && x < VMap.Xsize
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&& y >= 0 && y < VMap.Ysize)
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{
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i = x + y * VMap.Xsize;
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VMap.map[i] = (VMap.map[i] & 0xf000) | (metatile & 0xfff);
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}
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}
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void MapGridSetMetatileEntryAt(s32 x, s32 y, u16 metatile)
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{
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s32 i;
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if (x >= 0 && x < VMap.Xsize
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&& y >= 0 && y < VMap.Ysize)
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{
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i = x + VMap.Xsize * y;
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VMap.map[i] = metatile;
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}
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}
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void sub_8059024(s32 x, s32 y, bool32 arg2)
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{
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if (x >= 0 && x < VMap.Xsize
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&& y >= 0 && y < VMap.Ysize)
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{
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if (arg2)
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{
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VMap.map[x + VMap.Xsize * y] |= 0x0C00;
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}
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else
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{
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VMap.map[x + VMap.Xsize * y] &= ~0x0C00;
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}
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}
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}
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u32 GetBehaviorByMetatileIdAndMapData(struct MapData *mapData, u16 metatile, u8 attr)
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{
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u32 * attributes;
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if (metatile < 0x280)
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{
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attributes = mapData->primaryTileset->metatileAttributes;
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return sub_8058F1C(attributes[metatile], attr);
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}
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else if (metatile < 0x400)
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{
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attributes = mapData->secondaryTileset->metatileAttributes;
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return sub_8058F1C(attributes[metatile - 0x280], attr);
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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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s32 i, j;
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s32 x, y;
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u16 *mapView;
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s32 width;
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mapView = gSaveBlock2Ptr->mapView;
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width = VMap.Xsize;
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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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bool32 SavedMapViewIsEmpty(void)
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{
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u16 i;
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u32 marker = 0;
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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 |= gSaveBlock2Ptr->mapView[i];
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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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void ClearSavedMapView(void)
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{
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CpuFill16(0, gSaveBlock2Ptr->mapView, sizeof(gSaveBlock2Ptr->mapView));
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}
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void LoadSavedMapView(void)
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{
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s32 i, j;
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s32 x, y;
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u16 *mapView;
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s32 width;
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mapView = gSaveBlock2Ptr->mapView;
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if (!SavedMapViewIsEmpty())
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{
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width = VMap.Xsize;
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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++)
|
|
{
|
|
gBackupMapData[j + width * i] = *mapView;
|
|
mapView++;
|
|
}
|
|
}
|
|
ClearSavedMapView();
|
|
}
|
|
}
|
|
|
|
void sub_8059250(u8 a1)
|
|
{
|
|
s32 width;
|
|
u16 *mapView;
|
|
s32 x0, y0;
|
|
s32 x2, y2;
|
|
u16 *src, *dest;
|
|
s32 srci, desti;
|
|
s32 r9, r8;
|
|
s32 x, y;
|
|
s32 i, j;
|
|
mapView = gSaveBlock2Ptr->mapView;
|
|
width = VMap.Xsize;
|
|
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();
|
|
}
|