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(svn r7174) -CodeChange: CheckStationSpreadOut() now uses MergePoint() for bounding rectangle calculation.

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This commit is contained in:
KUDr 2006-11-16 17:59:02 +00:00
parent ea0018fced
commit 0e290fd388
1 changed files with 18 additions and 32 deletions
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50
station_cmd.c
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@ -234,37 +234,6 @@ static Station* GetStationAround(TileIndex tile, int w, int h, StationID closest
return (closest_station == INVALID_STATION) ? NULL : GetStation(closest_station);
}
static bool CheckStationSpreadOut(Station *st, TileIndex tile, int w, int h)
{
StationID station_index = st->index;
uint i;
uint x1 = TileX(tile);
uint y1 = TileY(tile);
uint x2 = x1 + w - 1;
uint y2 = y1 + h - 1;
uint t;
for (i = 0; i != MapSize(); i++) {
if (IsTileType(i, MP_STATION) && GetStationIndex(i) == station_index) {
t = TileX(i);
if (t < x1) x1 = t;
if (t > x2) x2 = t;
t = TileY(i);
if (t < y1) y1 = t;
if (t > y2) y2 = t;
}
}
if (y2 - y1 >= _patches.station_spread || x2 - x1 >= _patches.station_spread) {
_error_message = STR_306C_STATION_TOO_SPREAD_OUT;
return false;
}
return true;
}
static Station *AllocateStation(void)
{
Station *st = NULL;
@ -652,7 +621,7 @@ typedef struct ottd_Rectangle {
uint max_y;
} ottd_Rectangle;
static void MergePoint(ottd_Rectangle* rect, TileIndex tile)
static inline void MergePoint(ottd_Rectangle* rect, TileIndex tile)
{
uint x = TileX(tile);
uint y = TileY(tile);
@ -763,6 +732,23 @@ static void UpdateStationAcceptance(Station *st, bool show_msg)
InvalidateWindowWidget(WC_STATION_VIEW, st->index, 4);
}
static bool CheckStationSpreadOut(Station *st, TileIndex tile, int w, int h)
{
StationID station_index = st->index;
uint x1 = TileX(tile);
uint y1 = TileY(tile);
ottd_Rectangle r = {x1, y1, x1 + w - 1, y1 + h - 1};
// get station bounding rect
for (tile = 0; tile < MapSize(); tile++) {
if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == station_index) MergePoint(&r, tile);
}
// check if bounding rect doesn't exceed the maximum station spread
if (r.max_x - r.min_x >= _patches.station_spread || r.max_y - r.min_y >= _patches.station_spread) {
_error_message = STR_306C_STATION_TOO_SPREAD_OUT;
return false;
}
return true;
}
static void UpdateStationSignCoord(Station *st)
{