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(svn r4172) -Codechange: Added a few accessors to work with ShipDepots and Locks

This commit is contained in:
celestar 2006-03-30 11:21:36 +00:00
parent 24f23babd1
commit 8a91805c05
2 changed files with 31 additions and 22 deletions
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25
water_cmd.c
View File

@ -41,14 +41,6 @@ const SpriteID _water_shore_sprites[15] = {
static void FloodVehicle(Vehicle *v);
static bool IsClearWaterTile(TileIndex tile)
{
return
IsTileType(tile, MP_WATER) &&
_m[tile].m5 == 0 &&
GetTileSlope(tile, NULL) == 0;
}
/** Build a ship depot.
* @param x,y tile coordinates where ship depot is built
* @param p1 depot direction (0 == X or 1 == Y)
@ -103,16 +95,17 @@ static int32 RemoveShipDepot(TileIndex tile, uint32 flags)
{
TileIndex tile2;
if (!IsShipDepot(tile)) return CMD_ERROR;
if (!CheckTileOwnership(tile)) return CMD_ERROR;
if (!EnsureNoVehicle(tile)) return CMD_ERROR;
tile2 = tile + ((_m[tile].m5 & 2) ? TileDiffXY(0, 1) : TileDiffXY(1, 0));
tile2 = GetOtherShipDepotTile(tile);
if (!EnsureNoVehicle(tile2)) return CMD_ERROR;
if (flags & DC_EXEC) {
/* Kill the depot */
DoDeleteDepot(tile);
/* Kill the depot, which is registered at the northernmost tile. Use that one */
DoDeleteDepot(tile2 < tile ? tile2 : tile);
MakeWater(tile);
MakeWater(tile2);
@ -156,7 +149,7 @@ static int32 DoBuildShiplift(TileIndex tile, DiagDirection dir, uint32 flags)
static int32 RemoveShiplift(TileIndex tile, uint32 flags)
{
TileIndexDiff delta = TileOffsByDir(GB(_m[tile].m5, 0, 2));
TileIndexDiff delta = TileOffsByDir(GetLockDirection(tile));
// make sure no vehicle is on the tile.
if (!EnsureNoVehicle(tile) || !EnsureNoVehicle(tile + delta) || !EnsureNoVehicle(tile - delta))
@ -322,14 +315,6 @@ static int32 ClearTile_Water(TileIndex tile, byte flags)
// ship depot
if (flags & DC_AUTO) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);
switch (m5) {
case 0x80: break;
case 0x81: tile -= TileDiffXY(1, 0); break;
case 0x82: break;
case 0x83: tile -= TileDiffXY(0, 1); break;
default: return CMD_ERROR;
}
return RemoveShipDepot(tile, flags);
}
}

28
water_map.h
View File

@ -5,7 +5,8 @@
typedef enum DepotPart {
DEPOT_NORTH = 0x80,
DEPOT_SOUTH = 0x81
DEPOT_SOUTH = 0x81,
DEPOT_END = 0x84,
} DepotPart;
typedef enum LockPart {
@ -14,6 +15,30 @@ typedef enum LockPart {
LOCK_UPPER = 0x18
} LockPart;
static inline bool IsClearWaterTile(TileIndex tile)
{
return
IsTileType(tile, MP_WATER) &&
_m[tile].m5 == 0 &&
GetTileSlope(tile, NULL) == 0;
}
static inline TileIndex GetOtherShipDepotTile(TileIndex t)
{
return t + (HASBIT(_m[t].m5, 0) ? -1 : 1) * (HASBIT(_m[t].m5, 1) ? TileDiffXY(0, 1) : TileDiffXY(1, 0));
}
static inline TileIndex IsShipDepot(TileIndex t)
{
return IS_INT_INSIDE(_m[t].m5, DEPOT_NORTH, DEPOT_END);
}
static inline DiagDirection GetLockDirection(TileIndex t)
{
return (DiagDirection)GB(_m[t].m5, 0, 2);
}
static inline void MakeWater(TileIndex t)
{
SetTileType(t, MP_WATER);
@ -24,7 +49,6 @@ static inline void MakeWater(TileIndex t)
_m[t].m5 = 0;
}
static inline void MakeShore(TileIndex t)
{
SetTileType(t, MP_WATER);