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-rw-r--r--town_cmd.c147
1 files changed, 68 insertions, 79 deletions
diff --git a/town_cmd.c b/town_cmd.c
index dcd45050f..116b9d1f5 100644
--- a/town_cmd.c
+++ b/town_cmd.c
@@ -362,17 +362,17 @@ static void ChangeTileOwner_Town(uint tile, byte old_player, byte new_player)
}
-static const TileIndexDiff _roadblock_tileadd[4+3] = {
- TILE_XY(0,-1),
- TILE_XY(1,0),
- TILE_XY(0,1),
- TILE_XY(-1,0),
+static const TileIndexDiffC _roadblock_tileadd[] = {
+ { 0, -1},
+ { 1, 0},
+ { 0, 1},
+ {-1, 0},
// Store the first 3 elements again.
// Lets us rotate without using &3.
- TILE_XY(0,-1),
- TILE_XY(1,0),
- TILE_XY(0,1),
+ { 0, -1},
+ { 1, 0},
+ { 0, 1}
};
static void TownTickHandler(Town *t)
@@ -448,10 +448,10 @@ static bool IsRoadAllowedHere(uint tile, int dir)
no_slope:
// Tile has no slope
// Disallow the road if any neighboring tile has a road.
- if (HASBIT(GetTownRoadMask(TILE_ADD(tile, _roadblock_tileadd[dir+1])), dir^2) ||
- HASBIT(GetTownRoadMask(TILE_ADD(tile, _roadblock_tileadd[dir+3])), dir^2) ||
- HASBIT(GetTownRoadMask(TILE_ADD(tile, _roadblock_tileadd[dir+1] + _roadblock_tileadd[dir+2])), dir) ||
- HASBIT(GetTownRoadMask(TILE_ADD(tile, _roadblock_tileadd[dir+3] + _roadblock_tileadd[dir+2])), dir))
+ if (HASBIT(GetTownRoadMask(TILE_ADD(tile, ToTileIndexDiff(_roadblock_tileadd[dir+1]))), dir^2) ||
+ HASBIT(GetTownRoadMask(TILE_ADD(tile, ToTileIndexDiff(_roadblock_tileadd[dir+3]))), dir^2) ||
+ HASBIT(GetTownRoadMask(TILE_ADD(tile, ToTileIndexDiff(_roadblock_tileadd[dir+1]) + ToTileIndexDiff(_roadblock_tileadd[dir+2]))), dir) ||
+ HASBIT(GetTownRoadMask(TILE_ADD(tile, ToTileIndexDiff(_roadblock_tileadd[dir+3]) + ToTileIndexDiff(_roadblock_tileadd[dir+2]))), dir))
return false;
// Otherwise allow
@@ -556,15 +556,15 @@ static void GrowTownInTile(uint *tile_ptr, uint mask, int block, Town *t1)
a = (int)Random() & 3;
} while(a == b);
- if (!IsRoadAllowedHere(TILE_ADD(tile,_roadblock_tileadd[a]), a)) {
+ if (!IsRoadAllowedHere(TILE_ADD(tile, ToTileIndexDiff(_roadblock_tileadd[a])), a)) {
// A road is not allowed to continue the randomized road,
// return if the road we're trying to build is curved.
if ( a != (b^2))
return;
// Return if neither side of the new road is a house
- if (!IS_TILETYPE(TILE_ADD(tile,_roadblock_tileadd[a+1]), MP_HOUSE) &&
- !IS_TILETYPE(TILE_ADD(tile,_roadblock_tileadd[a+3]), MP_HOUSE))
+ if (!IS_TILETYPE(TILE_ADD(tile, ToTileIndexDiff(_roadblock_tileadd[a + 1])), MP_HOUSE) &&
+ !IS_TILETYPE(TILE_ADD(tile, ToTileIndexDiff(_roadblock_tileadd[a + 3])), MP_HOUSE))
return;
// That means that the road is only allowed if there is a house
@@ -597,7 +597,7 @@ static void GrowTownInTile(uint *tile_ptr, uint mask, int block, Town *t1)
return;
// This is the tile we will reach if we extend to this direction.
- tmptile = TILE_ADD(tile,_roadblock_tileadd[i]);
+ tmptile = TILE_ADD(tile, ToTileIndexDiff(_roadblock_tileadd[i]));
// Don't do it if it reaches to water.
if (IS_WATER_TILE(tmptile))
@@ -708,7 +708,7 @@ static int GrowTownAtRoad(Town *t, uint tile)
// Select a random bit from the blockmask, walk a step
// and continue the search from there.
do block = Random() & 3; while (!HASBIT(mask,block));
- tile += _roadblock_tileadd[block];
+ tile += ToTileIndexDiff(_roadblock_tileadd[block]);
// Max number of times is checked.
} while (--_grow_town_result >= 0);
@@ -732,25 +732,24 @@ static int GenRandomRoadBits()
bool GrowTown(Town *t)
{
uint tile;
- const TileIndexDiff *ptr;
- int offs;
+ const TileIndexDiffC *ptr;
TileInfo ti;
byte old_player;
- static const TileIndexDiff _town_coord_mod[] = {
- TILE_XY(-1,0),
- TILE_XY(1,1),
- TILE_XY(1,-1),
- TILE_XY(-1,-1),
- TILE_XY(-1,0),
- TILE_XY(0,2),
- TILE_XY(2,0),
- TILE_XY(0,-2),
- TILE_XY(-1,-1),
- TILE_XY(-2,2),
- TILE_XY(2,2),
- TILE_XY(2,-2),
- 0,
+ static const TileIndexDiffC _town_coord_mod[] = {
+ {-1, 0},
+ { 1, 1},
+ { 1, -1},
+ {-1, -1},
+ {-1, 0},
+ { 0, 2},
+ { 2, 0},
+ { 0, -2},
+ {-1, -1},
+ {-2, 2},
+ { 2, 2},
+ { 2, -2},
+ { 0, 0}
};
// Current player is a town
@@ -759,23 +758,19 @@ bool GrowTown(Town *t)
// Find a road that we can base the construction on.
tile = t->xy;
- ptr = _town_coord_mod;
- do {
+ for (ptr = _town_coord_mod; ptr != endof(_town_coord_mod); ++ptr) {
if (GetRoadBitsByTile(tile) != 0) {
int r = GrowTownAtRoad(t, tile);
_current_player = old_player;
return r;
}
- offs = *ptr++;
-
- tile = TILE_ADD(tile, offs);
- } while (offs);
+ tile = TILE_ADD(tile, ToTileIndexDiff(*ptr));
+ }
// No road available, try to build a random road block by
// clearing some land and then building a road there.
tile = t->xy;
- ptr = _town_coord_mod;
- do {
+ for (ptr = _town_coord_mod; ptr != endof(_town_coord_mod); ++ptr) {
FindLandscapeHeightByTile(&ti, tile);
// Only work with plain land that not already has a house with map5=0
@@ -786,9 +781,8 @@ bool GrowTown(Town *t)
return true;
}
}
- offs = *ptr++;
- tile = TILE_ADD(tile, offs);
- } while (offs != 0);
+ tile = TILE_ADD(tile, ToTileIndexDiff(*ptr));
+ }
_current_player = old_player;
return false;
@@ -1085,15 +1079,15 @@ static bool CheckFree2x2Area(Town *t1, uint tile)
Town *t;
int i;
- static const TileIndexDiff _tile_add[4] = {
- TILE_XY(0,0),
- TILE_XY(0,1) - TILE_XY(0,0),
- TILE_XY(1,0) - TILE_XY(0,1),
- TILE_XY(1,1) - TILE_XY(1,0),
+ static const TileIndexDiffC _tile_add[] = {
+ {0 , 0 },
+ {0 - 0, 1 - 0},
+ {1 - 0, 0 - 1},
+ {1 - 1, 1 - 0}
};
for(i=0; i!=4; i++) {
- tile += _tile_add[i];
+ tile += ToTileIndexDiff(_tile_add[i]);
t = ClosestTownFromTile(tile, (uint)-1);
if (t1 != t)
@@ -1503,41 +1497,36 @@ static bool DoBuildStatueOfCompany(uint tile)
static void TownActionBuildStatue(Town *t, int action)
{
// Layouted as an outward spiral
- static const TileIndexDiff _statue_tiles[] = {
- TILE_XY(-1,0), TILE_XY(0,1), TILE_XY(1,0), TILE_XY(1,0),
- TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(-1,0), TILE_XY(-1,0),
- TILE_XY(-1,0), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1),
- TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0),
- TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1),
- TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0),
- TILE_XY(-1,0), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1),
- TILE_XY(0,1), TILE_XY(0,1), TILE_XY(1,0), TILE_XY(1,0),
- TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0),
- TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1),
- TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(-1,0), TILE_XY(-1,0),
- TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0),
- TILE_XY(-1,0), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1),
- TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1), TILE_XY(0,1),
- TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0),
- TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0), TILE_XY(1,0),
- TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1),
- TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1), TILE_XY(0,-1),
- TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0),
- TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0), TILE_XY(-1,0),
- 0,
- };
- int offs;
+ static const TileIndexDiffC _statue_tiles[] = {
+ {-1, 0},
+ { 0, 1},
+ { 1, 0}, { 1, 0},
+ { 0,-1}, { 0,-1},
+ {-1, 0}, {-1, 0}, {-1, 0},
+ { 0, 1}, { 0, 1}, { 0, 1},
+ { 1, 0}, { 1, 0}, { 1, 0}, { 1, 0},
+ { 0,-1}, { 0,-1}, { 0,-1}, { 0,-1},
+ {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0},
+ { 0, 1}, { 0, 1}, { 0, 1}, { 0, 1}, { 0, 1},
+ { 1, 0}, { 1, 0}, { 1, 0}, { 1, 0}, { 1, 0}, { 1, 0},
+ { 0,-1}, { 0,-1}, { 0,-1}, { 0,-1}, { 0,-1}, { 0,-1},
+ {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0},
+ { 0, 1}, { 0, 1}, { 0, 1}, { 0, 1}, { 0, 1}, { 0, 1}, { 0, 1},
+ { 1, 0}, { 1, 0}, { 1, 0}, { 1, 0}, { 1, 0}, { 1, 0}, { 1, 0}, { 1, 0},
+ { 0,-1}, { 0,-1}, { 0,-1}, { 0,-1}, { 0,-1}, { 0,-1}, { 0,-1}, { 0,-1},
+ {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0}, {-1, 0},
+ { 0, 0}
+ };
uint tile = t->xy;
- const TileIndexDiff *p = _statue_tiles;
+ const TileIndexDiffC *p;
SETBIT(t->statues, _current_player);
- do {
+ for (p = _statue_tiles; p != endof(_statue_tiles); ++p) {
if (DoBuildStatueOfCompany(tile))
return;
- offs = *p++;
- tile = TILE_ADD(tile, offs);
- } while (offs);
+ tile = TILE_ADD(tile, ToTileIndexDiff(*p));
+ }
}
static void TownActionFundBuildings(Town *t, int action)
generated by cgit v1.2.3-54-g00ecf (git 2.44.0) at 2024-07-06 15:59:17 +0000