mirror of
https://github.com/Ninjdai1/pokeemerald.git
synced 2024-12-28 04:34:28 +01:00
941 lines
27 KiB
C
941 lines
27 KiB
C
#include "global.h"
|
|
#include "battle_pyramid.h"
|
|
#include "bg.h"
|
|
#include "fieldmap.h"
|
|
#include "fldeff.h"
|
|
#include "fldeff_misc.h"
|
|
#include "frontier_util.h"
|
|
#include "menu.h"
|
|
#include "mirage_tower.h"
|
|
#include "overworld.h"
|
|
#include "palette.h"
|
|
#include "pokenav.h"
|
|
#include "script.h"
|
|
#include "secret_base.h"
|
|
#include "trainer_hill.h"
|
|
#include "tv.h"
|
|
#include "constants/rgb.h"
|
|
#include "constants/metatile_behaviors.h"
|
|
|
|
struct ConnectionFlags
|
|
{
|
|
u8 south:1;
|
|
u8 north:1;
|
|
u8 west:1;
|
|
u8 east:1;
|
|
};
|
|
|
|
EWRAM_DATA static u16 sBackupMapData[MAX_MAP_DATA_SIZE] = {0};
|
|
EWRAM_DATA struct MapHeader gMapHeader = {0};
|
|
EWRAM_DATA struct Camera gCamera = {0};
|
|
EWRAM_DATA static struct ConnectionFlags sMapConnectionFlags = {0};
|
|
EWRAM_DATA static u32 sFiller = 0; // without this, the next file won't align properly
|
|
|
|
struct BackupMapLayout gBackupMapLayout;
|
|
|
|
static const struct ConnectionFlags sDummyConnectionFlags = {0};
|
|
|
|
static void InitMapLayoutData(struct MapHeader *mapHeader);
|
|
static void InitBackupMapLayoutData(const u16 *map, u16 width, u16 height);
|
|
static void FillSouthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
|
|
static void FillNorthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
|
|
static void FillWestConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
|
|
static void FillEastConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
|
|
static void InitBackupMapLayoutConnections(struct MapHeader *mapHeader);
|
|
static void LoadSavedMapView(void);
|
|
static bool8 SkipCopyingMetatileFromSavedMap(u16 *mapBlock, u16 mapWidth, u8 yMode);
|
|
static const struct MapConnection *GetIncomingConnection(u8 direction, int x, int y);
|
|
static bool8 IsPosInIncomingConnectingMap(u8 direction, int x, int y, const struct MapConnection *connection);
|
|
static bool8 IsCoordInIncomingConnectingMap(int coord, int srcMax, int destMax, int offset);
|
|
|
|
#define GetBorderBlockAt(x, y)({ \
|
|
u16 block; \
|
|
int i; \
|
|
const u16 *border = gMapHeader.mapLayout->border; /* Unused, they read it again below */ \
|
|
\
|
|
i = (x + 1) & 1; \
|
|
i += ((y + 1) & 1) * 2; \
|
|
\
|
|
block = gMapHeader.mapLayout->border[i] | MAPGRID_COLLISION_MASK; \
|
|
})
|
|
|
|
#define AreCoordsWithinMapGridBounds(x, y) (x >= 0 && x < gBackupMapLayout.width && y >= 0 && y < gBackupMapLayout.height)
|
|
|
|
#define GetMapGridBlockAt(x, y) (AreCoordsWithinMapGridBounds(x, y) ? gBackupMapLayout.map[x + gBackupMapLayout.width * y] : GetBorderBlockAt(x, y))
|
|
|
|
const struct MapHeader *const GetMapHeaderFromConnection(const struct MapConnection *connection)
|
|
{
|
|
return Overworld_GetMapHeaderByGroupAndId(connection->mapGroup, connection->mapNum);
|
|
}
|
|
|
|
void InitMap(void)
|
|
{
|
|
InitMapLayoutData(&gMapHeader);
|
|
SetOccupiedSecretBaseEntranceMetatiles(gMapHeader.events);
|
|
RunOnLoadMapScript();
|
|
}
|
|
|
|
void InitMapFromSavedGame(void)
|
|
{
|
|
InitMapLayoutData(&gMapHeader);
|
|
InitSecretBaseAppearance(FALSE);
|
|
SetOccupiedSecretBaseEntranceMetatiles(gMapHeader.events);
|
|
LoadSavedMapView();
|
|
RunOnLoadMapScript();
|
|
UpdateTVScreensOnMap(gBackupMapLayout.width, gBackupMapLayout.height);
|
|
}
|
|
|
|
void InitBattlePyramidMap(bool8 setPlayerPosition)
|
|
{
|
|
CpuFastFill16(MAPGRID_UNDEFINED, sBackupMapData, sizeof(sBackupMapData));
|
|
GenerateBattlePyramidFloorLayout(sBackupMapData, setPlayerPosition);
|
|
}
|
|
|
|
void InitTrainerHillMap(void)
|
|
{
|
|
CpuFastFill16(MAPGRID_UNDEFINED, sBackupMapData, sizeof(sBackupMapData));
|
|
GenerateTrainerHillFloorLayout(sBackupMapData);
|
|
}
|
|
|
|
static void InitMapLayoutData(struct MapHeader *mapHeader)
|
|
{
|
|
struct MapLayout const *mapLayout;
|
|
int width;
|
|
int height;
|
|
mapLayout = mapHeader->mapLayout;
|
|
CpuFastFill16(MAPGRID_UNDEFINED, sBackupMapData, sizeof(sBackupMapData));
|
|
gBackupMapLayout.map = sBackupMapData;
|
|
width = mapLayout->width + MAP_OFFSET_W;
|
|
gBackupMapLayout.width = width;
|
|
height = mapLayout->height + MAP_OFFSET_H;
|
|
gBackupMapLayout.height = height;
|
|
if (width * height <= MAX_MAP_DATA_SIZE)
|
|
{
|
|
InitBackupMapLayoutData(mapLayout->map, mapLayout->width, mapLayout->height);
|
|
InitBackupMapLayoutConnections(mapHeader);
|
|
}
|
|
}
|
|
|
|
static void InitBackupMapLayoutData(const u16 *map, u16 width, u16 height)
|
|
{
|
|
u16 *dest;
|
|
int y;
|
|
dest = gBackupMapLayout.map;
|
|
dest += gBackupMapLayout.width * 7 + MAP_OFFSET;
|
|
for (y = 0; y < height; y++)
|
|
{
|
|
CpuCopy16(map, dest, width * 2);
|
|
dest += width + MAP_OFFSET_W;
|
|
map += width;
|
|
}
|
|
}
|
|
|
|
static void InitBackupMapLayoutConnections(struct MapHeader *mapHeader)
|
|
{
|
|
int count;
|
|
const struct MapConnection *connection;
|
|
int i;
|
|
|
|
if (mapHeader->connections)
|
|
{
|
|
count = mapHeader->connections->count;
|
|
connection = mapHeader->connections->connections;
|
|
sMapConnectionFlags = sDummyConnectionFlags;
|
|
for (i = 0; i < count; i++, connection++)
|
|
{
|
|
struct MapHeader const *cMap = GetMapHeaderFromConnection(connection);
|
|
u32 offset = connection->offset;
|
|
switch (connection->direction)
|
|
{
|
|
case CONNECTION_SOUTH:
|
|
FillSouthConnection(mapHeader, cMap, offset);
|
|
sMapConnectionFlags.south = TRUE;
|
|
break;
|
|
case CONNECTION_NORTH:
|
|
FillNorthConnection(mapHeader, cMap, offset);
|
|
sMapConnectionFlags.north = TRUE;
|
|
break;
|
|
case CONNECTION_WEST:
|
|
FillWestConnection(mapHeader, cMap, offset);
|
|
sMapConnectionFlags.west = TRUE;
|
|
break;
|
|
case CONNECTION_EAST:
|
|
FillEastConnection(mapHeader, cMap, offset);
|
|
sMapConnectionFlags.east = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void FillConnection(int x, int y, struct MapHeader const *connectedMapHeader, int x2, int y2, int width, int height)
|
|
{
|
|
int i;
|
|
const u16 *src;
|
|
u16 *dest;
|
|
int mapWidth;
|
|
|
|
mapWidth = connectedMapHeader->mapLayout->width;
|
|
src = &connectedMapHeader->mapLayout->map[mapWidth * y2 + x2];
|
|
dest = &gBackupMapLayout.map[gBackupMapLayout.width * y + x];
|
|
|
|
for (i = 0; i < height; i++)
|
|
{
|
|
CpuCopy16(src, dest, width * 2);
|
|
dest += gBackupMapLayout.width;
|
|
src += mapWidth;
|
|
}
|
|
}
|
|
|
|
static void FillSouthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset)
|
|
{
|
|
int x, y;
|
|
int x2;
|
|
int width;
|
|
int cWidth;
|
|
|
|
if (connectedMapHeader)
|
|
{
|
|
cWidth = connectedMapHeader->mapLayout->width;
|
|
x = offset + MAP_OFFSET;
|
|
y = mapHeader->mapLayout->height + MAP_OFFSET;
|
|
if (x < 0)
|
|
{
|
|
x2 = -x;
|
|
x += cWidth;
|
|
if (x < gBackupMapLayout.width)
|
|
width = x;
|
|
else
|
|
width = gBackupMapLayout.width;
|
|
x = 0;
|
|
}
|
|
else
|
|
{
|
|
x2 = 0;
|
|
if (x + cWidth < gBackupMapLayout.width)
|
|
width = cWidth;
|
|
else
|
|
width = gBackupMapLayout.width - x;
|
|
}
|
|
|
|
FillConnection(
|
|
x, y,
|
|
connectedMapHeader,
|
|
x2, /*y2*/ 0,
|
|
width, /*height*/ MAP_OFFSET);
|
|
}
|
|
}
|
|
|
|
static void FillNorthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset)
|
|
{
|
|
int x;
|
|
int x2, y2;
|
|
int width;
|
|
int cWidth, cHeight;
|
|
|
|
if (connectedMapHeader)
|
|
{
|
|
cWidth = connectedMapHeader->mapLayout->width;
|
|
cHeight = connectedMapHeader->mapLayout->height;
|
|
x = offset + MAP_OFFSET;
|
|
y2 = cHeight - MAP_OFFSET;
|
|
if (x < 0)
|
|
{
|
|
x2 = -x;
|
|
x += cWidth;
|
|
if (x < gBackupMapLayout.width)
|
|
width = x;
|
|
else
|
|
width = gBackupMapLayout.width;
|
|
x = 0;
|
|
}
|
|
else
|
|
{
|
|
x2 = 0;
|
|
if (x + cWidth < gBackupMapLayout.width)
|
|
width = cWidth;
|
|
else
|
|
width = gBackupMapLayout.width - x;
|
|
}
|
|
|
|
FillConnection(
|
|
x, /*y*/ 0,
|
|
connectedMapHeader,
|
|
x2, y2,
|
|
width, /*height*/ MAP_OFFSET);
|
|
|
|
}
|
|
}
|
|
|
|
static void FillWestConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset)
|
|
{
|
|
int y;
|
|
int x2, y2;
|
|
int height;
|
|
int cWidth, cHeight;
|
|
if (connectedMapHeader)
|
|
{
|
|
cWidth = connectedMapHeader->mapLayout->width;
|
|
cHeight = connectedMapHeader->mapLayout->height;
|
|
y = offset + MAP_OFFSET;
|
|
x2 = cWidth - MAP_OFFSET;
|
|
if (y < 0)
|
|
{
|
|
y2 = -y;
|
|
if (y + cHeight < gBackupMapLayout.height)
|
|
height = y + cHeight;
|
|
else
|
|
height = gBackupMapLayout.height;
|
|
y = 0;
|
|
}
|
|
else
|
|
{
|
|
y2 = 0;
|
|
if (y + cHeight < gBackupMapLayout.height)
|
|
height = cHeight;
|
|
else
|
|
height = gBackupMapLayout.height - y;
|
|
}
|
|
|
|
FillConnection(
|
|
/*x*/ 0, y,
|
|
connectedMapHeader,
|
|
x2, y2,
|
|
/*width*/ MAP_OFFSET, height);
|
|
}
|
|
}
|
|
|
|
static void FillEastConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset)
|
|
{
|
|
int x, y;
|
|
int y2;
|
|
int height;
|
|
int cHeight;
|
|
if (connectedMapHeader)
|
|
{
|
|
cHeight = connectedMapHeader->mapLayout->height;
|
|
x = mapHeader->mapLayout->width + MAP_OFFSET;
|
|
y = offset + MAP_OFFSET;
|
|
if (y < 0)
|
|
{
|
|
y2 = -y;
|
|
if (y + cHeight < gBackupMapLayout.height)
|
|
height = y + cHeight;
|
|
else
|
|
height = gBackupMapLayout.height;
|
|
y = 0;
|
|
}
|
|
else
|
|
{
|
|
y2 = 0;
|
|
if (y + cHeight < gBackupMapLayout.height)
|
|
height = cHeight;
|
|
else
|
|
height = gBackupMapLayout.height - y;
|
|
}
|
|
|
|
FillConnection(
|
|
x, y,
|
|
connectedMapHeader,
|
|
/*x2*/ 0, y2,
|
|
/*width*/ MAP_OFFSET + 1, height);
|
|
}
|
|
}
|
|
|
|
u8 MapGridGetElevationAt(int x, int y)
|
|
{
|
|
u16 block = GetMapGridBlockAt(x, y);
|
|
|
|
if (block == MAPGRID_UNDEFINED)
|
|
return 0;
|
|
|
|
return block >> MAPGRID_ELEVATION_SHIFT;
|
|
}
|
|
|
|
u8 MapGridGetCollisionAt(int x, int y)
|
|
{
|
|
u16 block = GetMapGridBlockAt(x, y);
|
|
|
|
if (block == MAPGRID_UNDEFINED)
|
|
return TRUE;
|
|
|
|
return (block & MAPGRID_COLLISION_MASK) >> MAPGRID_COLLISION_SHIFT;
|
|
}
|
|
|
|
u32 MapGridGetMetatileIdAt(int x, int y)
|
|
{
|
|
u16 block = GetMapGridBlockAt(x, y);
|
|
|
|
if (block == MAPGRID_UNDEFINED)
|
|
return GetBorderBlockAt(x, y) & MAPGRID_METATILE_ID_MASK;
|
|
|
|
return block & MAPGRID_METATILE_ID_MASK;
|
|
}
|
|
|
|
u32 MapGridGetMetatileBehaviorAt(int x, int y)
|
|
{
|
|
u16 metatile = MapGridGetMetatileIdAt(x, y);
|
|
return GetMetatileAttributesById(metatile) & METATILE_ATTR_BEHAVIOR_MASK;
|
|
}
|
|
|
|
u8 MapGridGetMetatileLayerTypeAt(int x, int y)
|
|
{
|
|
u16 metatile = MapGridGetMetatileIdAt(x, y);
|
|
return (GetMetatileAttributesById(metatile) & METATILE_ATTR_LAYER_MASK) >> METATILE_ATTR_LAYER_SHIFT;
|
|
}
|
|
|
|
void MapGridSetMetatileIdAt(int x, int y, u16 metatile)
|
|
{
|
|
int i;
|
|
if (AreCoordsWithinMapGridBounds(x, y))
|
|
{
|
|
i = x + y * gBackupMapLayout.width;
|
|
gBackupMapLayout.map[i] = (gBackupMapLayout.map[i] & MAPGRID_ELEVATION_MASK) | (metatile & ~MAPGRID_ELEVATION_MASK);
|
|
}
|
|
}
|
|
|
|
void MapGridSetMetatileEntryAt(int x, int y, u16 metatile)
|
|
{
|
|
int i;
|
|
if (AreCoordsWithinMapGridBounds(x, y))
|
|
{
|
|
i = x + gBackupMapLayout.width * y;
|
|
gBackupMapLayout.map[i] = metatile;
|
|
}
|
|
}
|
|
|
|
u16 GetMetatileAttributesById(u16 metatile)
|
|
{
|
|
const u16 *attributes;
|
|
if (metatile < NUM_METATILES_IN_PRIMARY)
|
|
{
|
|
attributes = gMapHeader.mapLayout->primaryTileset->metatileAttributes;
|
|
return attributes[metatile];
|
|
}
|
|
else if (metatile < NUM_METATILES_TOTAL)
|
|
{
|
|
attributes = gMapHeader.mapLayout->secondaryTileset->metatileAttributes;
|
|
return attributes[metatile - NUM_METATILES_IN_PRIMARY];
|
|
}
|
|
else
|
|
{
|
|
return MB_INVALID;
|
|
}
|
|
}
|
|
|
|
void SaveMapView(void)
|
|
{
|
|
int i, j;
|
|
int x, y;
|
|
u16 *mapView;
|
|
int width;
|
|
mapView = gSaveBlock1Ptr->mapView;
|
|
width = gBackupMapLayout.width;
|
|
x = gSaveBlock1Ptr->pos.x;
|
|
y = gSaveBlock1Ptr->pos.y;
|
|
for (i = y; i < y + MAP_OFFSET_H; i++)
|
|
{
|
|
for (j = x; j < x + MAP_OFFSET_W; j++)
|
|
*mapView++ = sBackupMapData[width * i + j];
|
|
}
|
|
}
|
|
|
|
static bool32 SavedMapViewIsEmpty(void)
|
|
{
|
|
u16 i;
|
|
u32 marker = 0;
|
|
|
|
#ifndef UBFIX
|
|
// BUG: This loop extends past the bounds of the mapView array. Its size is only 0x100.
|
|
for (i = 0; i < 0x200; i++)
|
|
marker |= gSaveBlock1Ptr->mapView[i];
|
|
#else
|
|
// UBFIX: Only iterate over 0x100
|
|
for (i = 0; i < ARRAY_COUNT(gSaveBlock1Ptr->mapView); i++)
|
|
marker |= gSaveBlock1Ptr->mapView[i];
|
|
#endif
|
|
|
|
|
|
if (marker == 0)
|
|
return TRUE;
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
static void ClearSavedMapView(void)
|
|
{
|
|
CpuFill16(0, gSaveBlock1Ptr->mapView, sizeof(gSaveBlock1Ptr->mapView));
|
|
}
|
|
|
|
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 + MAP_OFFSET_H; i++)
|
|
{
|
|
if (i == y && i != 0)
|
|
yMode = 0;
|
|
else if (i == y + MAP_OFFSET_H - 1 && i != gMapHeader.mapLayout->height - 1)
|
|
yMode = 1;
|
|
else
|
|
yMode = 0xFF;
|
|
|
|
for (j = x; j < x + MAP_OFFSET_W; j++)
|
|
{
|
|
if (!SkipCopyingMetatileFromSavedMap(&sBackupMapData[j + width * i], width, yMode))
|
|
sBackupMapData[j + width * i] = *mapView;
|
|
mapView++;
|
|
}
|
|
}
|
|
for (j = x; j < x + MAP_OFFSET_W; j++)
|
|
{
|
|
if (y != 0)
|
|
FixLongGrassMetatilesWindowTop(j, y - 1);
|
|
if (i < gMapHeader.mapLayout->height - 1)
|
|
FixLongGrassMetatilesWindowBottom(j, y + MAP_OFFSET_H - 1);
|
|
}
|
|
ClearSavedMapView();
|
|
}
|
|
}
|
|
|
|
static void MoveMapViewToBackup(u8 direction)
|
|
{
|
|
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 = MAP_OFFSET_W;
|
|
y2 = MAP_OFFSET_H;
|
|
switch (direction)
|
|
{
|
|
case CONNECTION_NORTH:
|
|
y0 += 1;
|
|
y2 = MAP_OFFSET_H - 1;
|
|
break;
|
|
case CONNECTION_SOUTH:
|
|
r8 = 1;
|
|
y2 = MAP_OFFSET_H - 1;
|
|
break;
|
|
case CONNECTION_WEST:
|
|
x0 += 1;
|
|
x2 = MAP_OFFSET_W - 1;
|
|
break;
|
|
case CONNECTION_EAST:
|
|
r9 = 1;
|
|
x2 = MAP_OFFSET_W - 1;
|
|
break;
|
|
}
|
|
for (y = 0; y < y2; y++)
|
|
{
|
|
i = 0;
|
|
j = 0;
|
|
for (x = 0; x < x2; x++)
|
|
{
|
|
desti = width * (y + y0);
|
|
srci = (y + r8) * MAP_OFFSET_W + r9;
|
|
src = &mapView[srci + i];
|
|
dest = &sBackupMapData[x0 + desti + j];
|
|
*dest = *src;
|
|
i++;
|
|
j++;
|
|
}
|
|
}
|
|
ClearSavedMapView();
|
|
}
|
|
|
|
int GetMapBorderIdAt(int x, int y)
|
|
{
|
|
if (GetMapGridBlockAt(x, y) == MAPGRID_UNDEFINED)
|
|
return CONNECTION_INVALID;
|
|
|
|
if (x >= (gBackupMapLayout.width - (MAP_OFFSET + 1)))
|
|
{
|
|
if (!sMapConnectionFlags.east)
|
|
return CONNECTION_INVALID;
|
|
|
|
return CONNECTION_EAST;
|
|
}
|
|
else if (x < MAP_OFFSET)
|
|
{
|
|
if (!sMapConnectionFlags.west)
|
|
return CONNECTION_INVALID;
|
|
|
|
return CONNECTION_WEST;
|
|
}
|
|
else if (y >= (gBackupMapLayout.height - MAP_OFFSET))
|
|
{
|
|
if (!sMapConnectionFlags.south)
|
|
return CONNECTION_INVALID;
|
|
|
|
return CONNECTION_SOUTH;
|
|
}
|
|
else if (y < MAP_OFFSET)
|
|
{
|
|
if (!sMapConnectionFlags.north)
|
|
return CONNECTION_INVALID;
|
|
|
|
return CONNECTION_NORTH;
|
|
}
|
|
else
|
|
{
|
|
return CONNECTION_NONE;
|
|
}
|
|
}
|
|
|
|
int GetPostCameraMoveMapBorderId(int x, int y)
|
|
{
|
|
return GetMapBorderIdAt(gSaveBlock1Ptr->pos.x + MAP_OFFSET + x, gSaveBlock1Ptr->pos.y + MAP_OFFSET + y);
|
|
}
|
|
|
|
bool32 CanCameraMoveInDirection(int direction)
|
|
{
|
|
int x, y;
|
|
x = gSaveBlock1Ptr->pos.x + MAP_OFFSET + gDirectionToVectors[direction].x;
|
|
y = gSaveBlock1Ptr->pos.y + MAP_OFFSET + gDirectionToVectors[direction].y;
|
|
|
|
if (GetMapBorderIdAt(x, y) == CONNECTION_INVALID)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void SetPositionFromConnection(const 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)
|
|
{
|
|
int direction;
|
|
const struct MapConnection *connection;
|
|
int old_x, old_y;
|
|
gCamera.active = FALSE;
|
|
direction = GetPostCameraMoveMapBorderId(x, y);
|
|
if (direction == CONNECTION_NONE || direction == CONNECTION_INVALID)
|
|
{
|
|
gSaveBlock1Ptr->pos.x += x;
|
|
gSaveBlock1Ptr->pos.y += y;
|
|
}
|
|
else
|
|
{
|
|
SaveMapView();
|
|
ClearMirageTowerPulseBlendEffect();
|
|
old_x = gSaveBlock1Ptr->pos.x;
|
|
old_y = gSaveBlock1Ptr->pos.y;
|
|
connection = GetIncomingConnection(direction, gSaveBlock1Ptr->pos.x, gSaveBlock1Ptr->pos.y);
|
|
SetPositionFromConnection(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;
|
|
MoveMapViewToBackup(direction);
|
|
}
|
|
return gCamera.active;
|
|
}
|
|
|
|
static const struct MapConnection *GetIncomingConnection(u8 direction, int x, int y)
|
|
{
|
|
int count;
|
|
int i;
|
|
const struct MapConnection *connection;
|
|
const struct MapConnections *connections = gMapHeader.connections;
|
|
|
|
#ifdef UBFIX // UB: Multiple possible null dereferences
|
|
if (connections == NULL || connections->connections == NULL)
|
|
return NULL;
|
|
#endif
|
|
count = connections->count;
|
|
connection = connections->connections;
|
|
for (i = 0; i < count; i++, connection++)
|
|
{
|
|
if (connection->direction == direction && IsPosInIncomingConnectingMap(direction, x, y, connection) == TRUE)
|
|
return connection;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static bool8 IsPosInIncomingConnectingMap(u8 direction, int x, int y, const struct MapConnection *connection)
|
|
{
|
|
struct MapHeader const *mapHeader;
|
|
mapHeader = GetMapHeaderFromConnection(connection);
|
|
switch (direction)
|
|
{
|
|
case CONNECTION_SOUTH:
|
|
case CONNECTION_NORTH:
|
|
return IsCoordInIncomingConnectingMap(x, gMapHeader.mapLayout->width, mapHeader->mapLayout->width, connection->offset);
|
|
case CONNECTION_WEST:
|
|
case CONNECTION_EAST:
|
|
return IsCoordInIncomingConnectingMap(y, gMapHeader.mapLayout->height, mapHeader->mapLayout->height, connection->offset);
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static bool8 IsCoordInIncomingConnectingMap(int coord, int srcMax, int destMax, int offset)
|
|
{
|
|
int offset2;
|
|
offset2 = offset;
|
|
|
|
if (offset2 < 0)
|
|
offset2 = 0;
|
|
|
|
if (destMax + offset < srcMax)
|
|
srcMax = destMax + offset;
|
|
|
|
if (offset2 <= coord && coord <= srcMax)
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static int IsCoordInConnectingMap(int coord, int max)
|
|
{
|
|
if (coord >= 0 && coord < max)
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static int IsPosInConnectingMap(const struct MapConnection *connection, int x, int y)
|
|
{
|
|
struct MapHeader const *mapHeader;
|
|
mapHeader = GetMapHeaderFromConnection(connection);
|
|
switch (connection->direction)
|
|
{
|
|
case CONNECTION_SOUTH:
|
|
case CONNECTION_NORTH:
|
|
return IsCoordInConnectingMap(x - connection->offset, mapHeader->mapLayout->width);
|
|
case CONNECTION_WEST:
|
|
case CONNECTION_EAST:
|
|
return IsCoordInConnectingMap(y - connection->offset, mapHeader->mapLayout->height);
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
const struct MapConnection *GetMapConnectionAtPos(s16 x, s16 y)
|
|
{
|
|
int count;
|
|
const 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 > MAP_OFFSET - 1)
|
|
|| (direction == CONNECTION_SOUTH && y < gMapHeader.mapLayout->height + MAP_OFFSET)
|
|
|| (direction == CONNECTION_WEST && x > MAP_OFFSET - 1)
|
|
|| (direction == CONNECTION_EAST && x < gMapHeader.mapLayout->width + MAP_OFFSET))
|
|
{
|
|
continue;
|
|
}
|
|
if (IsPosInConnectingMap(connection, x - MAP_OFFSET, y - MAP_OFFSET) == TRUE)
|
|
{
|
|
return connection;
|
|
}
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void SetCameraFocusCoords(u16 x, u16 y)
|
|
{
|
|
gSaveBlock1Ptr->pos.x = x - MAP_OFFSET;
|
|
gSaveBlock1Ptr->pos.y = y - MAP_OFFSET;
|
|
}
|
|
|
|
void GetCameraFocusCoords(u16 *x, u16 *y)
|
|
{
|
|
*x = gSaveBlock1Ptr->pos.x + MAP_OFFSET;
|
|
*y = gSaveBlock1Ptr->pos.y + MAP_OFFSET;
|
|
}
|
|
|
|
// 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 (AreCoordsWithinMapGridBounds(x, y))
|
|
{
|
|
if (impassable)
|
|
gBackupMapLayout.map[x + gBackupMapLayout.width * y] |= MAPGRID_COLLISION_MASK;
|
|
else
|
|
gBackupMapLayout.map[x + gBackupMapLayout.width * y] &= ~MAPGRID_COLLISION_MASK;
|
|
}
|
|
}
|
|
|
|
static bool8 SkipCopyingMetatileFromSavedMap(u16 *mapBlock, u16 mapWidth, u8 yMode)
|
|
{
|
|
if (yMode == 0xFF)
|
|
return FALSE;
|
|
|
|
if (yMode == 0)
|
|
mapBlock -= mapWidth;
|
|
else
|
|
mapBlock += mapWidth;
|
|
|
|
if (IsLargeBreakableDecoration(*mapBlock & MAPGRID_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);
|
|
}
|
|
}
|
|
|
|
// Below two are dummied functions from FRLG, used to tint the overworld palettes for the Quest Log
|
|
static void ApplyGlobalTintToPaletteEntries(u16 offset, u16 size)
|
|
{
|
|
|
|
}
|
|
|
|
static void ApplyGlobalTintToPaletteSlot(u8 slot, u8 count)
|
|
{
|
|
|
|
}
|
|
|
|
void LoadTilesetPalette(struct Tileset const *tileset, u16 destOffset, u16 size)
|
|
{
|
|
u16 black = RGB_BLACK;
|
|
|
|
if (tileset)
|
|
{
|
|
if (tileset->isSecondary == FALSE)
|
|
{
|
|
LoadPalette(&black, destOffset, PLTT_SIZEOF(1));
|
|
LoadPalette(tileset->palettes[0] + 1, destOffset + 1, size - PLTT_SIZEOF(1));
|
|
ApplyGlobalTintToPaletteEntries(destOffset + 1, (size - PLTT_SIZEOF(1)) >> 1);
|
|
}
|
|
else if (tileset->isSecondary == TRUE)
|
|
{
|
|
LoadPalette(tileset->palettes[NUM_PALS_IN_PRIMARY], destOffset, size);
|
|
ApplyGlobalTintToPaletteEntries(destOffset, size >> 1);
|
|
}
|
|
else
|
|
{
|
|
LoadCompressedPalette((const u32 *)tileset->palettes, destOffset, size);
|
|
ApplyGlobalTintToPaletteEntries(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, BG_PLTT_ID(0), NUM_PALS_IN_PRIMARY * PLTT_SIZE_4BPP);
|
|
}
|
|
|
|
void LoadSecondaryTilesetPalette(struct MapLayout const *mapLayout)
|
|
{
|
|
LoadTilesetPalette(mapLayout->secondaryTileset, BG_PLTT_ID(NUM_PALS_IN_PRIMARY), (NUM_PALS_TOTAL - NUM_PALS_IN_PRIMARY) * PLTT_SIZE_4BPP);
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|