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through fillEastConnection

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This commit is contained in:
scnorton
2019-01-07 10:17:44 -05:00
parent bc79312d48
commit ee25c7a975
4 changed files with 294 additions and 412 deletions
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src/fieldmap.c
+283 -1
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@@ -3,13 +3,29 @@
#include "script.h"
#include "fieldmap.h"
struct ConnectionFlags
{
u8 south:1;
u8 north:1;
u8 west:1;
u8 east:1;
};
void sub_8058A00(struct MapHeader *mapHeader);
void map_copy_with_padding(u16 *map, u16 width, u16 height);
void mapheader_copy_mapdata_of_adjacent_maps(struct MapHeader *mapHeader);
void fillSouthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
void fillNorthConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
void fillWestConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
void fillEastConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
void sub_80591C4(void);
struct BackupMapData VMap;
EWRAM_DATA u16 gBackupMapData[VIRTUAL_MAP_SIZE];
EWRAM_DATA u16 gBackupMapData[VIRTUAL_MAP_SIZE] = {};
EWRAM_DATA struct MapHeader gMapHeader = {};
EWRAM_DATA struct ConnectionFlags gMapConnectionFlags = {};
extern const struct ConnectionFlags sDummyConnectionFlags;
const struct MapHeader * mapconnection_get_mapheader(struct MapConnection * connection)
{
@@ -40,3 +56,269 @@ void sub_8058A00(struct MapHeader * mapHeader)
map_copy_with_padding(mapData->map, mapData->width, mapData->height);
mapheader_copy_mapdata_of_adjacent_maps(mapHeader);
}
void map_copy_with_padding(u16 *map, u16 width, u16 height)
{
s32 y;
u16 *dest = VMap.map;
dest += VMap.Xsize * 7 + 7;
for (y = 0; y < height; y++)
{
CpuCopy16(map, dest, width * sizeof(u16));
dest += width + 15;
map += width;
}
}
void mapheader_copy_mapdata_of_adjacent_maps(struct MapHeader *mapHeader)
{
int count;
struct MapConnection *connection;
int i;
gMapConnectionFlags = sDummyConnectionFlags;
/*
* This null pointer check is new to FireRed. It was kept in
* Emerald, with the above struct assignment moved to after
* this check.
*/
if (mapHeader->connections)
{
count = mapHeader->connections->count;
connection = mapHeader->connections->connections;
// Emerald puts this line here instead:
// gMapConnectionFlags = sDummyConnectionFlags;
for (i = 0; i < count; i++, connection++)
{
struct MapHeader const *cMap = mapconnection_get_mapheader(connection);
u32 offset = connection->offset;
switch (connection->direction)
{
case CONNECTION_SOUTH:
fillSouthConnection(mapHeader, cMap, offset);
gMapConnectionFlags.south = 1;
break;
case CONNECTION_NORTH:
fillNorthConnection(mapHeader, cMap, offset);
gMapConnectionFlags.north = 1;
break;
case CONNECTION_WEST:
fillWestConnection(mapHeader, cMap, offset);
gMapConnectionFlags.west = 1;
break;
case CONNECTION_EAST:
fillEastConnection(mapHeader, cMap, offset);
gMapConnectionFlags.east = 1;
break;
}
}
}
}
void sub_8058B54(s32 x, s32 y, const struct MapHeader *connectedMapHeader, s32 x2, s32 y2, s32 width, s32 height)
{
int i;
u16 *src;
u16 *dest;
int mapWidth;
mapWidth = connectedMapHeader->mapData->width;
src = &connectedMapHeader->mapData->map[mapWidth * y2 + x2];
dest = &VMap.map[VMap.Xsize * y + x];
for (i = 0; i < height; i++)
{
CpuCopy16(src, dest, width * 2);
dest += VMap.Xsize;
src += mapWidth;
}
}
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->mapData->width;
x = offset + 7;
y = mapHeader->mapData->height + 7;
if (x < 0)
{
x2 = -x;
x += cWidth;
if (x < VMap.Xsize)
{
width = x;
}
else
{
width = VMap.Xsize;
}
x = 0;
}
else
{
x2 = 0;
if (x + cWidth < VMap.Xsize)
{
width = cWidth;
}
else
{
width = VMap.Xsize - x;
}
}
sub_8058B54(
x, y,
connectedMapHeader,
x2, /*y2*/ 0,
width, /*height*/ 7);
}
}
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->mapData->width;
cHeight = connectedMapHeader->mapData->height;
x = offset + 7;
y2 = cHeight - 7;
if (x < 0)
{
x2 = -x;
x += cWidth;
if (x < VMap.Xsize)
{
width = x;
}
else
{
width = VMap.Xsize;
}
x = 0;
}
else
{
x2 = 0;
if (x + cWidth < VMap.Xsize)
{
width = cWidth;
}
else
{
width = VMap.Xsize - x;
}
}
sub_8058B54(
x, /*y*/ 0,
connectedMapHeader,
x2, y2,
width, /*height*/ 7);
}
}
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->mapData->width;
cHeight = connectedMapHeader->mapData->height;
y = offset + 7;
x2 = cWidth - 7;
if (y < 0)
{
y2 = -y;
if (y + cHeight < VMap.Ysize)
{
height = y + cHeight;
}
else
{
height = VMap.Ysize;
}
y = 0;
}
else
{
y2 = 0;
if (y + cHeight < VMap.Ysize)
{
height = cHeight;
}
else
{
height = VMap.Ysize - y;
}
}
sub_8058B54(
/*x*/ 0, y,
connectedMapHeader,
x2, y2,
/*width*/ 7, height);
}
}
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->mapData->height;
x = mapHeader->mapData->width + 7;
y = offset + 7;
if (y < 0)
{
y2 = -y;
if (y + cHeight < VMap.Ysize)
{
height = y + cHeight;
}
else
{
height = VMap.Ysize;
}
y = 0;
}
else
{
y2 = 0;
if (y + cHeight < VMap.Ysize)
{
height = cHeight;
}
else
{
height = VMap.Ysize - y;
}
}
sub_8058B54(
x, y,
connectedMapHeader,
/*x2*/ 0, y2,
/*width*/ 8, height);
}
}