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Diffstat (limited to 'src/road_cmd.cpp')
-rw-r--r--src/road_cmd.cpp83
1 files changed, 35 insertions, 48 deletions
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
index 29168db7f..13c27f825 100644
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -342,7 +342,7 @@ CommandCost CmdRemoveRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
* @param other The other existent RoadBits
* @return The costs for these RoadBits on this slope
*/
-static CommandCost CheckRoadSlope(Slope tileh, RoadBits* pieces, RoadBits existing, RoadBits other)
+static CommandCost CheckRoadSlope(Slope tileh, RoadBits *pieces, RoadBits existing, RoadBits other)
{
/* Remove already build pieces */
CLRBITS(*pieces, existing);
@@ -418,7 +418,7 @@ static CommandCost CheckRoadSlope(Slope tileh, RoadBits* pieces, RoadBits existi
CommandCost CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
CommandCost cost(EXPENSES_CONSTRUCTION);
- CommandCost ret;
+
RoadBits existing = ROAD_NONE;
RoadBits other_bits = ROAD_NONE;
@@ -484,8 +484,6 @@ CommandCost CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
break;
case MP_RAILWAY: {
- Axis roaddir;
-
if (IsSteepSlope(tileh)) {
return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);
}
@@ -496,6 +494,8 @@ CommandCost CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
}
if (GetRailTileType(tile) != RAIL_TILE_NORMAL) goto do_clear;
+
+ Axis roaddir;
switch (GetTrackBits(tile)) {
case TRACK_BIT_X:
if (pieces & ROAD_X) goto do_clear;
@@ -534,16 +534,17 @@ CommandCost CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
if (GetVehicleTunnelBridge(tile, GetOtherTunnelBridgeEnd(tile)) != NULL) return CMD_ERROR;
break;
- default:
+ default: {
do_clear:;
- ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
+ CommandCost ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
if (CmdFailed(ret)) return ret;
cost.AddCost(ret);
+ } break;
}
if (other_bits != pieces) {
/* Check the foundation/slopes when adding road/tram bits */
- ret = CheckRoadSlope(tileh, &pieces, existing, other_bits);
+ CommandCost ret = CheckRoadSlope(tileh, &pieces, existing, other_bits);
/* Return an error if we need to build a foundation (ret != 0) but the
* current patch-setting is turned off (or stupid AI@work) */
if (CmdFailed(ret) || (ret.GetCost() != 0 && !_patches.build_on_slopes)) {
@@ -643,8 +644,7 @@ do_clear:;
*/
CommandCost CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p2)
{
- TileIndex start_tile, tile;
- CommandCost ret, cost(EXPENSES_CONSTRUCTION);
+ CommandCost cost(EXPENSES_CONSTRUCTION);
bool had_bridge = false;
bool had_tunnel = false;
bool had_success = false;
@@ -654,7 +654,7 @@ CommandCost CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32
if (p1 >= MapSize()) return CMD_ERROR;
- start_tile = p1;
+ TileIndex start_tile = p1;
RoadType rt = (RoadType)GB(p2, 3, 2);
if (!IsValidRoadType(rt) || !ValParamRoadType(rt)) return CMD_ERROR;
@@ -678,7 +678,7 @@ CommandCost CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32
/* No disallowed direction bits have to be toggled */
if (!HasBit(p2, 5)) drd = DRD_NONE;
- tile = start_tile;
+ TileIndex tile = start_tile;
/* Start tile is the small number. */
for (;;) {
RoadBits bits = HasBit(p2, 2) ? ROAD_Y : ROAD_X;
@@ -686,7 +686,7 @@ CommandCost CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32
if (tile == end_tile && !HasBit(p2, 1)) bits &= ROAD_NW | ROAD_NE;
if (tile == start_tile && HasBit(p2, 0)) bits &= ROAD_SE | ROAD_SW;
- ret = DoCommand(tile, drd << 6 | rt << 4 | bits, 0, flags, CMD_BUILD_ROAD);
+ CommandCost ret = DoCommand(tile, drd << 6 | rt << 4 | bits, 0, flags, CMD_BUILD_ROAD);
if (CmdFailed(ret)) {
if (_error_message != STR_1007_ALREADY_BUILT) return CMD_ERROR;
} else {
@@ -729,13 +729,11 @@ CommandCost CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32
*/
CommandCost CmdRemoveLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p2)
{
- TileIndex start_tile, tile;
- CommandCost ret, cost(EXPENSES_CONSTRUCTION);
- Money money;
+ CommandCost cost(EXPENSES_CONSTRUCTION);
if (p1 >= MapSize()) return CMD_ERROR;
- start_tile = p1;
+ TileIndex start_tile = p1;
RoadType rt = (RoadType)GB(p2, 3, 2);
if (!IsValidRoadType(rt)) return CMD_ERROR;
@@ -751,8 +749,8 @@ CommandCost CmdRemoveLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint3
p2 ^= IsInsideMM(p2 & 3, 1, 3) ? 3 : 0;
}
- money = GetAvailableMoneyForCommand();
- tile = start_tile;
+ Money money = GetAvailableMoneyForCommand();
+ TileIndex tile = start_tile;
/* Start tile is the small number. */
for (;;) {
RoadBits bits = HasBit(p2, 2) ? ROAD_Y : ROAD_X;
@@ -762,7 +760,7 @@ CommandCost CmdRemoveLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint3
/* try to remove the halves. */
if (bits != 0) {
- ret = RemoveRoad(tile, flags & ~DC_EXEC, bits, rt, true);
+ CommandCost ret = RemoveRoad(tile, flags & ~DC_EXEC, bits, rt, true);
if (CmdSucceeded(ret)) {
if (flags & DC_EXEC) {
money -= ret.GetCost();
@@ -796,15 +794,12 @@ CommandCost CmdRemoveLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint3
*/
CommandCost CmdBuildRoadDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
- CommandCost cost;
- Slope tileh;
-
DiagDirection dir = Extract<DiagDirection, 0>(p1);
RoadType rt = (RoadType)GB(p1, 2, 2);
if (!IsValidRoadType(rt) || !ValParamRoadType(rt)) return CMD_ERROR;
- tileh = GetTileSlope(tile, NULL);
+ Slope tileh = GetTileSlope(tile, NULL);
if (tileh != SLOPE_FLAT && (
!_patches.build_on_slopes ||
IsSteepSlope(tileh) ||
@@ -813,7 +808,7 @@ CommandCost CmdBuildRoadDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2
return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);
}
- cost = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
+ CommandCost cost = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
if (CmdFailed(cost)) return CMD_ERROR;
if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST);
@@ -834,8 +829,7 @@ CommandCost CmdBuildRoadDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2
static CommandCost RemoveRoadDepot(TileIndex tile, uint32 flags)
{
- if (!CheckTileOwnership(tile) && _current_player != OWNER_WATER)
- return CMD_ERROR;
+ if (!CheckTileOwnership(tile) && _current_player != OWNER_WATER) return CMD_ERROR;
if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
@@ -968,7 +962,7 @@ static bool AlwaysDrawUnpavedRoads(TileIndex tile, Roadside roadside)
* @param ti information about the tile (slopes, height etc)
* @param tram the roadbits for the tram
*/
-void DrawTramCatenary(TileInfo *ti, RoadBits tram)
+void DrawTramCatenary(const TileInfo *ti, RoadBits tram)
{
/* Do not draw catenary if it is invisible */
if (IsInvisibilitySet(TO_CATENARY)) return;
@@ -1003,7 +997,7 @@ void DrawTramCatenary(TileInfo *ti, RoadBits tram)
* @param dy the offset from the top of the BB of the tile
* @param h the height of the sprite to draw
*/
-static void DrawRoadDetail(SpriteID img, TileInfo *ti, int dx, int dy, int h)
+static void DrawRoadDetail(SpriteID img, const TileInfo *ti, int dx, int dy, int h)
{
int x = ti->x | dx;
int y = ti->y | dy;
@@ -1016,15 +1010,13 @@ static void DrawRoadDetail(SpriteID img, TileInfo *ti, int dx, int dy, int h)
* Draw ground sprite and road pieces
* @param ti TileInfo
*/
-static void DrawRoadBits(TileInfo* ti)
+static void DrawRoadBits(TileInfo *ti)
{
RoadBits road = GetRoadBits(ti->tile, ROADTYPE_ROAD);
RoadBits tram = GetRoadBits(ti->tile, ROADTYPE_TRAM);
- const DrawRoadTileStruct *drts;
SpriteID image = 0;
SpriteID pal = PAL_NONE;
- Roadside roadside;
if (ti->tileh != SLOPE_FLAT) {
DrawFoundation(ti, GetRoadFoundation(ti->tileh, road | tram));
@@ -1036,7 +1028,7 @@ static void DrawRoadBits(TileInfo* ti)
if (image == 0) image = _road_tile_sprites_1[road != ROAD_NONE ? road : tram];
- roadside = GetRoadside(ti->tile);
+ Roadside roadside = GetRoadside(ti->tile);
if (AlwaysDrawUnpavedRoads(ti->tile, roadside)) {
image += 19;
@@ -1096,7 +1088,7 @@ static void DrawRoadBits(TileInfo* ti)
if (CountBits(road) < 2) return;
/* Draw extra details. */
- for (drts = _road_display_table[roadside][road | tram]; drts->image != 0; drts++) {
+ for (const DrawRoadTileStruct *drts = _road_display_table[roadside][road | tram]; drts->image != 0; drts++) {
DrawRoadDetail(drts->image, ti, drts->subcoord_x, drts->subcoord_y, 0x10);
}
}
@@ -1109,17 +1101,16 @@ static void DrawTile_Road(TileInfo *ti)
break;
case ROAD_TILE_CROSSING: {
- SpriteID image;
- SpriteID pal = PAL_NONE;
- Roadside roadside = GetRoadside(ti->tile);
-
if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
- image = GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.crossing;
+ SpriteID image = GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.crossing;
+ SpriteID pal = PAL_NONE;
if (GetCrossingRoadAxis(ti->tile) == AXIS_X) image++;
if (IsCrossingBarred(ti->tile)) image += 2;
+ Roadside roadside = GetRoadside(ti->tile);
+
if (AlwaysDrawUnpavedRoads(ti->tile, roadside)) {
image += 8;
} else {
@@ -1141,14 +1132,11 @@ static void DrawTile_Road(TileInfo *ti)
default:
case ROAD_TILE_DEPOT: {
- const DrawTileSprites* dts;
- const DrawTileSeqStruct* dtss;
- SpriteID palette;
-
if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
- palette = PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile));
+ SpriteID palette = PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile));
+ const DrawTileSprites *dts;
if (HasTileRoadType(ti->tile, ROADTYPE_TRAM)) {
dts = &_tram_depot[GetRoadDepotDirection(ti->tile)];
} else {
@@ -1160,7 +1148,7 @@ static void DrawTile_Road(TileInfo *ti)
/* End now if buildings are invisible */
if (IsInvisibilitySet(TO_BUILDINGS)) break;
- for (dtss = dts->seq; dtss->image.sprite != 0; dtss++) {
+ for (const DrawTileSeqStruct *dtss = dts->seq; dtss->image.sprite != 0; dtss++) {
SpriteID image = dtss->image.sprite;
SpriteID pal;
@@ -1187,15 +1175,14 @@ static void DrawTile_Road(TileInfo *ti)
void DrawRoadDepotSprite(int x, int y, DiagDirection dir, RoadType rt)
{
SpriteID palette = PLAYER_SPRITE_COLOR(_local_player);
- const DrawTileSprites* dts = (rt == ROADTYPE_TRAM) ? &_tram_depot[dir] : &_road_depot[dir];
- const DrawTileSeqStruct* dtss;
+ const DrawTileSprites *dts = (rt == ROADTYPE_TRAM) ? &_tram_depot[dir] : &_road_depot[dir];
x += 33;
y += 17;
DrawSprite(dts->ground.sprite, PAL_NONE, x, y);
- for (dtss = dts->seq; dtss->image.sprite != 0; dtss++) {
+ for (const DrawTileSeqStruct *dtss = dts->seq; dtss->image.sprite != 0; dtss++) {
Point pt = RemapCoords(dtss->delta_x, dtss->delta_y, dtss->delta_z);
SpriteID image = dtss->image.sprite;
@@ -1275,7 +1262,7 @@ static void TileLoop_Road(TileIndex tile)
if (IsRoadDepot(tile)) return;
- const Town* t = ClosestTownFromTile(tile, (uint)-1);
+ const Town *t = ClosestTownFromTile(tile, (uint)-1);
if (!HasRoadWorks(tile)) {
HouseZonesBits grp = HZB_TOWN_EDGE;
generated by cgit v1.2.3-54-g00ecf (git 2.44.0) at 2024-06-29 03:35:22 +0000