(svn r11172) -Codechange: rewrite of town road building and addition of the possibility to clean up unconnected road bits during the local road reconstructions. Based on a patch by skidd13.

This commit is contained in:
rubidium
2007-09-26 16:12:43 +00:00
parent e582e6364c
commit 80a3590bf5
14 changed files with 385 additions and 158 deletions

View File

@@ -259,70 +259,121 @@ CommandCost CmdRemoveRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
static const RoadBits _valid_tileh_slopes_road[][15] = {
/* set of normal ones */
{
ROAD_ALL, ROAD_NONE, ROAD_NONE,
ROAD_X, ROAD_NONE, ROAD_NONE, // 3, 4, 5
ROAD_Y, ROAD_NONE, ROAD_NONE,
ROAD_Y, ROAD_NONE, ROAD_NONE, // 9, 10, 11
ROAD_X, ROAD_NONE, ROAD_NONE
ROAD_ALL, // SLOPE_FLAT
ROAD_NONE, // SLOPE_W
ROAD_NONE, // SLOPE_S
ROAD_X, // SLOPE_SW
ROAD_NONE, // SLOPE_E
ROAD_NONE, // SLOPE_EW
ROAD_Y, // SLOPE_SE
ROAD_NONE, // SLOPE_WSE
ROAD_NONE, // SLOPE_N
ROAD_Y, // SLOPE_NW
ROAD_NONE, // SLOPE_NS
ROAD_NONE, // SLOPE_NE
ROAD_X, // SLOPE_ENW
ROAD_NONE, // SLOPE_SEN
ROAD_NONE // SLOPE_ELEVATED
},
/* allowed road for an evenly raised platform */
{
ROAD_NONE,
ROAD_SW | ROAD_NW,
ROAD_SW | ROAD_SE,
ROAD_Y | ROAD_SW,
ROAD_NONE, // SLOPE_FLAT
ROAD_SW | ROAD_NW, // SLOPE_W
ROAD_SW | ROAD_SE, // SLOPE_S
ROAD_SE | ROAD_NE, // 4
ROAD_ALL,
ROAD_X | ROAD_SE,
ROAD_ALL,
ROAD_Y | ROAD_SW, // SLOPE_SW
ROAD_SE | ROAD_NE, // SLOPE_E
ROAD_ALL, // SLOPE_EW
ROAD_NW | ROAD_NE, // 8
ROAD_X | ROAD_NW,
ROAD_ALL,
ROAD_ALL,
ROAD_X | ROAD_SE, // SLOPE_SE
ROAD_ALL, // SLOPE_WSE
ROAD_NW | ROAD_NE, // SLOPE_N
ROAD_Y | ROAD_NE, // 12
ROAD_ALL,
ROAD_ALL
ROAD_X | ROAD_NW, // SLOPE_NW
ROAD_ALL, // SLOPE_NS
ROAD_ALL, // SLOPE_NE
ROAD_Y | ROAD_NE, // SLOPE_ENW
ROAD_ALL, // SLOPE_SEN
ROAD_ALL // SLOPE_ELEVATED
},
/* Singe bits on slopes */
{
ROAD_ALL, // SLOPE_FLAT
ROAD_NE | ROAD_SE, // SLOPE_W
ROAD_NE | ROAD_NW, // SLOPE_S
ROAD_NE, // SLOPE_SW
ROAD_NW | ROAD_SW, // SLOPE_E
ROAD_ALL, // SLOPE_EW
ROAD_NW, // SLOPE_SE
ROAD_ALL, // SLOPE_WSE
ROAD_SE | ROAD_SW, // SLOPE_N
ROAD_SE, // SLOPE_NW
ROAD_ALL, // SLOPE_NS
ROAD_ALL, // SLOPE_NE
ROAD_SW, // SLOPE_ENW
ROAD_ALL, // SLOPE_SEN
ROAD_ALL, // SLOPE_ELEVATED
},
};
/**
* Calculate the costs for roads on slopes
* Aside modify the RoadBits to fit on the slopes
*
* @note The RoadBits are modified too!
* @param tileh The current slope
* @param pieces The RoadBits we want to add
* @param existing The existent RoadBits
* @return The costs for these RoadBits on this slope
*/
static CommandCost CheckRoadSlope(Slope tileh, RoadBits* pieces, RoadBits existing)
{
RoadBits road_bits;
if (IsSteepSlope(tileh)) {
/* force full pieces. */
*pieces |= (RoadBits)((*pieces & 0xC) >> 2);
*pieces |= (RoadBits)((*pieces & 0x3) << 2);
/* Force straight roads. */
*pieces |= MirrorRoadBits(*pieces);
if (existing == 0 || existing == *pieces) {
if (existing == ROAD_NONE || existing == *pieces) {
if (*pieces == ROAD_X || *pieces == ROAD_Y) return _price.terraform;
}
return CMD_ERROR;
}
road_bits = *pieces | existing;
RoadBits road_bits = *pieces | existing;
/* Single bits on slopes.
* We check for the roads that need at least 2 bits */
if (_patches.build_on_slopes && !_is_old_ai_player &&
existing == ROAD_NONE && COUNTBITS(*pieces) == 1 &&
(_valid_tileh_slopes_road[2][tileh] & *pieces) == ROAD_NONE) {
return CommandCost(_price.terraform);
}
/* no special foundation */
if ((~_valid_tileh_slopes_road[0][tileh] & road_bits) == 0) {
if ((~_valid_tileh_slopes_road[0][tileh] & road_bits) == ROAD_NONE) {
/* force that all bits are set when we have slopes */
if (tileh != SLOPE_FLAT) *pieces |= _valid_tileh_slopes_road[0][tileh];
return CommandCost(); // no extra cost
}
/* foundation is used. Whole tile is leveled up */
if ((~_valid_tileh_slopes_road[1][tileh] & road_bits) == 0) {
return CommandCost(existing != 0 ? 0 : _price.terraform);
if ((~_valid_tileh_slopes_road[1][tileh] & road_bits) == ROAD_NONE) {
return CommandCost(existing != ROAD_NONE ? 0 : _price.terraform);
}
*pieces |= (RoadBits)((*pieces & 0xC) >> 2);
*pieces |= (RoadBits)((*pieces & 0x3) << 2);
/* Force straight roads. */
*pieces |= MirrorRoadBits(*pieces);
/* partly leveled up tile, only if there's no road on that tile */
if ((existing == 0 || existing == *pieces) && (tileh == SLOPE_W || tileh == SLOPE_S || tileh == SLOPE_E || tileh == SLOPE_N)) {
/* force full pieces. */
if ((existing == ROAD_NONE || existing == *pieces) && (tileh == SLOPE_W || tileh == SLOPE_S || tileh == SLOPE_E || tileh == SLOPE_N)) {
if (*pieces == ROAD_X || *pieces == ROAD_Y) return _price.terraform;
}
return CMD_ERROR;
@@ -1182,8 +1233,8 @@ static void TileLoop_Road(TileIndex tile)
if (GetRoadTileType(tile) == ROAD_TILE_DEPOT) return;
const Town* t = ClosestTownFromTile(tile, (uint)-1);
if (!HasRoadWorks(tile)) {
const Town* t = ClosestTownFromTile(tile, (uint)-1);
int grp = 0;
if (t != NULL) {
@@ -1192,8 +1243,8 @@ static void TileLoop_Road(TileIndex tile)
/* Show an animation to indicate road work */
if (t->road_build_months != 0 &&
(DistanceManhattan(t->xy, tile) < 8 || grp != 0) &&
GetRoadTileType(tile) == ROAD_TILE_NORMAL && (GetAllRoadBits(tile) == ROAD_X || GetAllRoadBits(tile) == ROAD_Y)) {
if (GetTileSlope(tile, NULL) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile) && CHANCE16(1, 20)) {
GetRoadTileType(tile) == ROAD_TILE_NORMAL && COUNTBITS(GetAllRoadBits(tile)) > 1 ) {
if (GetTileSlope(tile, NULL) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile) && CHANCE16(1, 40)) {
StartRoadWorks(tile);
SndPlayTileFx(SND_21_JACKHAMMER, tile);
@@ -1231,6 +1282,17 @@ static void TileLoop_Road(TileIndex tile)
}
} else if (IncreaseRoadWorksCounter(tile)) {
TerminateRoadWorks(tile);
if (_patches.mod_road_rebuild) {
/* Generate a nicer town surface */
const RoadBits old_rb = GetAnyRoadBits(tile, ROADTYPE_ROAD);
const RoadBits new_rb = CleanUpRoadBits(tile, old_rb);
if (old_rb != new_rb) {
DoCommand(tile, (old_rb ^ new_rb), t->index, DC_EXEC | DC_AUTO | DC_NO_WATER, CMD_REMOVE_ROAD);
}
}
MarkTileDirtyByTile(tile);
}
}