diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/region_map.c | 202 |
1 files changed, 195 insertions, 7 deletions
diff --git a/src/region_map.c b/src/region_map.c index b771d7028..30d5bc087 100644 --- a/src/region_map.c +++ b/src/region_map.c @@ -6,6 +6,8 @@ #include "gpu_regs.h" #include "palette.h" #include "trig.h" +#include "map_constants.h" +#include "overworld.h" #include "region_map.h" #define MAP_WIDTH 28 @@ -21,6 +23,13 @@ struct UnkStruct_0203A148 { u8 filler_000[0xa74]; }; +struct RegionMapLocation +{ + u8 x, y; + u8 width, height; + const u8 *regionMapSectionId; +}; + // Static RAM declarations EWRAM_DATA struct RegionMap *gRegionMap = NULL; @@ -34,12 +43,15 @@ static u8 ProcessRegionMapInput_Zoomed(void); static u8 MoveRegionMapCursor_Zoomed(void); void CalcZoomScrollParams(s16 scrollX, s16 scrollY, s16 c, s16 d, u16 e, u16 f, u8 rotation); void UpdateRegionMapVideoRegs(void); -void sub_81238AC(void); +u16 GetRegionMapSectionIdAt(u16 x, u16 y); +void sub_812378C(s16 x, s16 y); +static void sub_81238AC(void); u8 get_flagnr_blue_points(u16 mapSecId); u16 sub_8123EB4(u16 mapSecId); +void sub_8123F30(u16 *x, u16 *y); void sub_8123FB0(void); -u16 GetRegionMapSectionIdAt(u16 x, u16 y); -void sub_812378C(s16 x, s16 y); +void sub_8123C00(void); +bool32 sub_8123F74(u8 mapSecId); void sub_8124238(void); void sub_81243B0(void); void sub_81243DC(void); @@ -52,6 +64,7 @@ extern const u16 gUnknown_0859F73C[]; extern const u8 gUnknown_0859F77C[]; extern const u8 gUnknown_085A04E0[]; extern const u8 gUnknown_085A096C[]; +extern const struct RegionMapLocation gRegionMapEntries[]; // .text @@ -399,7 +412,9 @@ u8 sub_8123514(void) u8 r4; if (gRegionMap->unk_06e >= 16) + { return 0; + } gRegionMap->unk_06e ++; if (gRegionMap->unk_06e == 16) { @@ -421,14 +436,12 @@ u8 sub_8123514(void) gRegionMap->scrollX = gRegionMap->unk_03c >> 8; gRegionMap->scrollY = gRegionMap->unk_040 >> 8; gRegionMap->unk_04c += gRegionMap->unk_050; - if ((gRegionMap->unk_044 < 0 && gRegionMap->scrollX < gRegionMap->unk_060) - || (gRegionMap->unk_044 > 0 && gRegionMap->scrollX > gRegionMap->unk_060)) + if ((gRegionMap->unk_044 < 0 && gRegionMap->scrollX < gRegionMap->unk_060) || (gRegionMap->unk_044 > 0 && gRegionMap->scrollX > gRegionMap->unk_060)) { gRegionMap->scrollX = gRegionMap->unk_060; gRegionMap->unk_044 = 0; } - if ((gRegionMap->unk_048 < 0 && gRegionMap->scrollY < gRegionMap->unk_062) - || (gRegionMap->unk_048 > 0 && gRegionMap->scrollY > gRegionMap->unk_062)) + if ((gRegionMap->unk_048 < 0 && gRegionMap->scrollY < gRegionMap->unk_062) || (gRegionMap->unk_048 > 0 && gRegionMap->scrollY > gRegionMap->unk_062)) { gRegionMap->scrollY = gRegionMap->unk_062; gRegionMap->unk_048 = 0; @@ -522,3 +535,178 @@ u16 GetRegionMapSectionIdAt(u16 x, u16 y) x -= MAPCURSOR_X_MIN; return gUnknown_085A096C[x + y * MAP_WIDTH]; } + +static void sub_81238AC(void) +{ + const struct MapHeader *mapHeader; + u16 mapWidth; + u16 mapHeight; + u16 x; + u16 y; + u16 r1; + u16 r9; + struct WarpData *r4; + + if (gSaveBlock1Ptr->location.mapGroup == MAP_GROUP_SS_TIDAL_CORRIDOR + && (gSaveBlock1Ptr->location.mapNum == MAP_ID_SS_TIDAL_CORRIDOR + || gSaveBlock1Ptr->location.mapNum == MAP_ID_SS_TIDAL_LOWER_DECK + || gSaveBlock1Ptr->location.mapNum == MAP_ID_SS_TIDAL_ROOMS)) + { + sub_8123C00(); + return; + } + + switch (get_map_light_level_by_bank_and_number(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum)) + { + default: + case 1: + case 2: + case 3: + case 5: + case 6: + gRegionMap->mapSecId = gMapHeader.regionMapSectionId; + gRegionMap->playerIsInCave = FALSE; + mapWidth = gMapHeader.mapData->width; + mapHeight = gMapHeader.mapData->height; + x = gSaveBlock1Ptr->pos.x; + y = gSaveBlock1Ptr->pos.y; + if (gRegionMap->mapSecId == MAPSEC_UNDERWATER || gRegionMap->mapSecId == MAPSEC_UNDERWATER_MARINE_CAVE) + { + gRegionMap->playerIsInCave = TRUE; + } + break; + case 4: + case 7: + if (gMapHeader.flags & 0x02) + { + mapHeader = get_mapheader_by_bank_and_number(gSaveBlock1Ptr->warp4.mapGroup, gSaveBlock1Ptr->warp4.mapNum); + gRegionMap->mapSecId = mapHeader->regionMapSectionId; + gRegionMap->playerIsInCave = TRUE; + mapWidth = mapHeader->mapData->width; + mapHeight = mapHeader->mapData->height; + x = gSaveBlock1Ptr->warp4.x; + y = gSaveBlock1Ptr->warp4.y; + } + else + { + gRegionMap->mapSecId = gMapHeader.regionMapSectionId; + gRegionMap->playerIsInCave = TRUE; + mapWidth = 1; + mapHeight = 1; + x = 1; + y = 1; + } + break; + case 9: + mapHeader = get_mapheader_by_bank_and_number((u16)gSaveBlock1Ptr->warp2.mapGroup, (u16)gSaveBlock1Ptr->warp2.mapNum); + gRegionMap->mapSecId = mapHeader->regionMapSectionId; + gRegionMap->playerIsInCave = TRUE; + mapWidth = mapHeader->mapData->width; + mapHeight = mapHeader->mapData->height; + x = gSaveBlock1Ptr->warp2.x; + y = gSaveBlock1Ptr->warp2.y; + break; + case 8: + + gRegionMap->mapSecId = gMapHeader.regionMapSectionId; + if (gRegionMap->mapSecId != MAPSEC_NONE) + { + r4 = &gSaveBlock1Ptr->warp4; + mapHeader = get_mapheader_by_bank_and_number(r4->mapGroup, r4->mapNum); + } + else + { + r4 = &gSaveBlock1Ptr->warp2; + mapHeader = get_mapheader_by_bank_and_number(r4->mapGroup, r4->mapNum); + gRegionMap->mapSecId = mapHeader->regionMapSectionId; + } + if (sub_8123F74(gRegionMap->mapSecId)) + { + gRegionMap->playerIsInCave = TRUE; + } + else + { + gRegionMap->playerIsInCave = FALSE; + } + mapWidth = mapHeader->mapData->width; + mapHeight = mapHeader->mapData->height; + x = r4->x; + y = r4->y; + break; + } + + r9 = x; + + r1 = mapWidth / gRegionMapEntries[gRegionMap->mapSecId].width; + if (r1 == 0) + { + r1 = 1; + } + x /= r1; + if (x >= gRegionMapEntries[gRegionMap->mapSecId].width) + { + x = gRegionMapEntries[gRegionMap->mapSecId].width - 1; + } + + r1 = mapHeight / gRegionMapEntries[gRegionMap->mapSecId].height; + if (r1 == 0) + { + r1 = 1; + } + y /= r1; + if (y >= gRegionMapEntries[gRegionMap->mapSecId].height) + { + y = gRegionMapEntries[gRegionMap->mapSecId].height - 1; + } + + switch (gRegionMap->mapSecId) + { + case MAPSEC_ROUTE_114: + if (y != 0) + { + x = 0; + } + break; + case MAPSEC_ROUTE_126: + case MAPSEC_UNDERWATER_125: + x = 0; + if (gSaveBlock1Ptr->pos.x > 32) + { + x = 1; + } + if (gSaveBlock1Ptr->pos.x > 0x33) + { + x++; + } + y = 0; + if (gSaveBlock1Ptr->pos.y > 0x25) + { + y = 1; + } + if (gSaveBlock1Ptr->pos.y > 0x38) + { + y++; + } + break; + case MAPSEC_ROUTE_121: + x = 0; + if (r9 > 14) + { + x = 1; + } + if (r9 > 0x1C) + { + x++; + } + if (r9 > 0x36) + { + x++; + } + break; + case MAPSEC_UNDERWATER_MARINE_CAVE: + sub_8123F30(&gRegionMap->cursorPosX, &gRegionMap->cursorPosY); + return; + } + gRegionMap->cursorPosX = gRegionMapEntries[gRegionMap->mapSecId].x + x + MAPCURSOR_X_MIN; + gRegionMap->cursorPosY = gRegionMapEntries[gRegionMap->mapSecId].y + y + MAPCURSOR_Y_MIN; +} |