cpp/openttd-patchpack/source Changeset - r19240:1c59e17d2199

Changeset - r19240:1c59e17d2199

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michi_cc - 13 years ago 2012-04-17 19:44:51
michi_cc@openttd.org

(svn r24143) -Change [FS#5145]: Improve fence placement for rail. (Eddi)

1 file changed with 34 insertions and 75 deletions:

src/rail_cmd.cpp

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src/rail_cmd.cpp

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@@ @@ -1842,21 +1842,21 @@ static void DrawSingleSignal(TileIndex t @@
 static uint32 _drawtile_track_palette;
 static void DrawTrackFence_NW(const TileInfo *ti, SpriteID base_image)
+{
 	RailFenceOffset rfo = RFO_FLAT_X;
-	if (ti->tileh != SLOPE_FLAT) rfo = (ti->tileh & SLOPE_S) ? RFO_SLOPE_SW : RFO_SLOPE_NE;
+	if (ti->tileh & SLOPE_NW) rfo = (ti->tileh & SLOPE_W) ? RFO_SLOPE_SW : RFO_SLOPE_NE;
 	AddSortableSpriteToDraw(base_image + rfo, _drawtile_track_palette,
 		ti->x, ti->y + 1, 16, 1, 4, ti->z);
+}
 static void DrawTrackFence_SE(const TileInfo *ti, SpriteID base_image)
+{
 	RailFenceOffset rfo = RFO_FLAT_X;
-	if (ti->tileh != SLOPE_FLAT) rfo = (ti->tileh & SLOPE_S) ? RFO_SLOPE_SW : RFO_SLOPE_NE;
+	if (ti->tileh & SLOPE_SE) rfo = (ti->tileh & SLOPE_S) ? RFO_SLOPE_SW : RFO_SLOPE_NE;
 	AddSortableSpriteToDraw(base_image + rfo, _drawtile_track_palette,
 		ti->x, ti->y + TILE_SIZE - 1, 16, 1, 4, ti->z);
+}
 static void DrawTrackFence_NW_SE(const TileInfo *ti, SpriteID base_image)
+{
@@ @@ -1864,21 +1864,21 @@ static void DrawTrackFence_NW_SE(const T @@
 	DrawTrackFence_SE(ti, base_image);
+}
 static void DrawTrackFence_NE(const TileInfo *ti, SpriteID base_image)
+{
 	RailFenceOffset rfo = RFO_FLAT_Y;
-	if (ti->tileh != SLOPE_FLAT) rfo = (ti->tileh & SLOPE_S) ? RFO_SLOPE_SE : RFO_SLOPE_NW;
+	if (ti->tileh & SLOPE_NE) rfo = (ti->tileh & SLOPE_E) ? RFO_SLOPE_SE : RFO_SLOPE_NW;
 	AddSortableSpriteToDraw(base_image + rfo, _drawtile_track_palette,
 		ti->x + 1, ti->y, 1, 16, 4, ti->z);
+}
 static void DrawTrackFence_SW(const TileInfo *ti, SpriteID base_image)
+{
 	RailFenceOffset rfo = RFO_FLAT_Y;
-	if (ti->tileh != SLOPE_FLAT) rfo = (ti->tileh & SLOPE_S) ? RFO_SLOPE_SE : RFO_SLOPE_NW;
+	if (ti->tileh & SLOPE_SW) rfo = (ti->tileh & SLOPE_S) ? RFO_SLOPE_SE : RFO_SLOPE_NW;
 	AddSortableSpriteToDraw(base_image + rfo, _drawtile_track_palette,
 		ti->x + TILE_SIZE - 1, ti->y, 1, 16, 4, ti->z);
+}
 static void DrawTrackFence_NE_SW(const TileInfo *ti, SpriteID base_image)
+{
@@ @@ -2550,85 +2550,44 @@ static void TileLoop_Track(TileIndex til @@
 	new_ground = RAIL_GROUND_GRASS;
 	if (IsPlainRail(tile) && old_ground != RAIL_GROUND_BARREN) { // wait until bottom is green
 		/* determine direction of fence */
 		TrackBits rail = GetTrackBits(tile);
 		switch (rail) {
 			case TRACK_BIT_UPPER: new_ground = RAIL_GROUND_FENCE_HORIZ1; break;
 			case TRACK_BIT_LOWER: new_ground = RAIL_GROUND_FENCE_HORIZ2; break;
 			case TRACK_BIT_LEFT:  new_ground = RAIL_GROUND_FENCE_VERT1;  break;
 			case TRACK_BIT_RIGHT: new_ground = RAIL_GROUND_FENCE_VERT2;  break;
 			default: {
 				Owner owner = GetTileOwner(tile);
 				if (rail == (TRACK_BIT_LOWER | TRACK_BIT_RIGHT) || (
 							(rail & TRACK_BIT_3WAY_NW) == 0 &&
 							(rail & TRACK_BIT_X)
 						)) {
 					TileIndex n = tile + TileDiffXY(0, -1);
 					TrackBits nrail = (IsPlainRailTile(n) ? GetTrackBits(n) : TRACK_BIT_NONE);
 					if ((!IsTileType(n, MP_RAILWAY) && !IsRailWaypointTile(n)) ||
 							!IsTileOwner(n, owner) ||
 							nrail == TRACK_BIT_UPPER ||
 							nrail == TRACK_BIT_LEFT) {
 						new_ground = RAIL_GROUND_FENCE_NW;
+					}
+				}
 				if (rail == (TRACK_BIT_UPPER | TRACK_BIT_LEFT) || (
 							(rail & TRACK_BIT_3WAY_SE) == 0 &&
 							(rail & TRACK_BIT_X)
 						)) {
 					TileIndex n = tile + TileDiffXY(0, 1);
 					TrackBits nrail = (IsPlainRailTile(n) ? GetTrackBits(n) : TRACK_BIT_NONE);
 					if ((!IsTileType(n, MP_RAILWAY) && !IsRailWaypointTile(n)) ||
 							!IsTileOwner(n, owner) ||
 							nrail == TRACK_BIT_LOWER ||
 							nrail == TRACK_BIT_RIGHT) {
 						new_ground = (new_ground == RAIL_GROUND_FENCE_NW) ?
 							RAIL_GROUND_FENCE_SENW : RAIL_GROUND_FENCE_SE;
+					}
+				}
 				if (rail == (TRACK_BIT_LOWER | TRACK_BIT_LEFT) || (
 							(rail & TRACK_BIT_3WAY_NE) == 0 &&
 							(rail & TRACK_BIT_Y)
 						)) {
 					TileIndex n = tile + TileDiffXY(-1, 0);
 					TrackBits nrail = (IsPlainRailTile(n) ? GetTrackBits(n) : TRACK_BIT_NONE);
 					if ((!IsTileType(n, MP_RAILWAY) && !IsRailWaypointTile(n)) ||
 							!IsTileOwner(n, owner) ||
 							nrail == TRACK_BIT_UPPER ||
 							nrail == TRACK_BIT_RIGHT) {
 						new_ground = RAIL_GROUND_FENCE_NE;
+					}
+				}
 				if (rail == (TRACK_BIT_UPPER | TRACK_BIT_RIGHT) || (
 							(rail & TRACK_BIT_3WAY_SW) == 0 &&
 							(rail & TRACK_BIT_Y)
 						)) {
 					TileIndex n = tile + TileDiffXY(1, 0);
 					TrackBits nrail = (IsPlainRailTile(n) ? GetTrackBits(n) : TRACK_BIT_NONE);
 					if ((!IsTileType(n, MP_RAILWAY) && !IsRailWaypointTile(n)) ||
 							!IsTileOwner(n, owner) ||
 							nrail == TRACK_BIT_LOWER ||
 							nrail == TRACK_BIT_LEFT) {
 						new_ground = (new_ground == RAIL_GROUND_FENCE_NE) ?
 							RAIL_GROUND_FENCE_NESW : RAIL_GROUND_FENCE_SW;
+					}
+				}
 				break;
 		Owner owner = GetTileOwner(tile);
 		byte fences = 0;
 		for (DiagDirection d = DIAGDIR_BEGIN; d < DIAGDIR_END; d++) {
 			static const TrackBits dir_to_trackbits[DIAGDIR_END] = {TRACK_BIT_3WAY_NE, TRACK_BIT_3WAY_SE, TRACK_BIT_3WAY_SW, TRACK_BIT_3WAY_NW};
 			/* Track bit on this edge => no fence. */
 			if ((rail & dir_to_trackbits[d]) != TRACK_BIT_NONE) continue;
 			TileIndex tile2 = tile + TileOffsByDiagDir(d);
 			/* Show fences if it's a house, industry, road, tunnelbridge or not owned by us. */
 			if (!IsValidTile(tile2) || IsTileType(tile2, MP_HOUSE) || IsTileType(tile2, MP_INDUSTRY) ||
 					IsTileType(tile2, MP_ROAD) || IsTileType(tile2, MP_TUNNELBRIDGE) || !IsTileOwner(tile2, owner)) {
 				fences |= 1 << d;
+			}
+		}
 		switch (fences) {
 			case 0: break;
 			case (1 << DIAGDIR_NE): new_ground = RAIL_GROUND_FENCE_NE; break;
 			case (1 << DIAGDIR_SE): new_ground = RAIL_GROUND_FENCE_SE; break;
 			case (1 << DIAGDIR_SW): new_ground = RAIL_GROUND_FENCE_SW; break;
 			case (1 << DIAGDIR_NW): new_ground = RAIL_GROUND_FENCE_NW; break;
 			case (1 << DIAGDIR_NE) | (1 << DIAGDIR_SW): new_ground = RAIL_GROUND_FENCE_NESW; break;
 			case (1 << DIAGDIR_SE) | (1 << DIAGDIR_NW): new_ground = RAIL_GROUND_FENCE_SENW; break;
 			case (1 << DIAGDIR_NE) | (1 << DIAGDIR_SE): new_ground = RAIL_GROUND_FENCE_VERT1; break;
 			case (1 << DIAGDIR_NE) | (1 << DIAGDIR_NW): new_ground = RAIL_GROUND_FENCE_HORIZ2; break;
 			case (1 << DIAGDIR_SE) | (1 << DIAGDIR_SW): new_ground = RAIL_GROUND_FENCE_HORIZ1; break;
 			case (1 << DIAGDIR_SW) | (1 << DIAGDIR_NW): new_ground = RAIL_GROUND_FENCE_VERT2; break;
 			default: NOT_REACHED();
+		}
+	}
 set_ground:
 	if (old_ground != new_ground) {
 		SetRailGroundType(tile, new_ground);
 		MarkTileDirtyByTile(tile);

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