From 5f943a4ba7a754dfd1136b232608b0a31e443ceb Mon Sep 17 00:00:00 2001 From: tron Date: Thu, 10 Aug 2006 14:44:32 +0000 Subject: (svn r5833) -Feature: Allow building of (certain) rails, roads and bridge ramps on steep sloped tiles --- tunnelbridge_cmd.c | 57 ++++++++++++++++++++++++++++++++++++++---------------- 1 file changed, 40 insertions(+), 17 deletions(-) (limited to 'tunnelbridge_cmd.c') diff --git a/tunnelbridge_cmd.c b/tunnelbridge_cmd.c index f4aeeaeeb..ebb5a2083 100644 --- a/tunnelbridge_cmd.c +++ b/tunnelbridge_cmd.c @@ -118,8 +118,8 @@ static int32 CheckBridgeSlopeNorth(Axis axis, Slope tileh) if (HASBIT(valid, tileh)) return 0; valid = - BRIDGE_FULL_LEVELED_FOUNDATION | M(SLOPE_N) | - (axis == AXIS_X ? M(SLOPE_E) : M(SLOPE_W)); + BRIDGE_FULL_LEVELED_FOUNDATION | M(SLOPE_N) | M(SLOPE_STEEP_N) | + (axis == AXIS_X ? M(SLOPE_E) | M(SLOPE_STEEP_E) : M(SLOPE_W) | M(SLOPE_STEEP_W)); if (HASBIT(valid, tileh)) return _price.terraform; return CMD_ERROR; @@ -133,8 +133,8 @@ static int32 CheckBridgeSlopeSouth(Axis axis, Slope tileh) if (HASBIT(valid, tileh)) return 0; valid = - BRIDGE_FULL_LEVELED_FOUNDATION | M(SLOPE_S) | - (axis == AXIS_X ? M(SLOPE_W) : M(SLOPE_E)); + BRIDGE_FULL_LEVELED_FOUNDATION | M(SLOPE_S) | M(SLOPE_STEEP_S) | + (axis == AXIS_X ? M(SLOPE_W) | M(SLOPE_STEEP_W) : M(SLOPE_E) | M(SLOPE_STEEP_E)); if (HASBIT(valid, tileh)) return _price.terraform; return CMD_ERROR; @@ -245,11 +245,13 @@ int32 CmdBuildBridge(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p2) tileh_start = GetTileSlope(tile_start, &z_start); tileh_end = GetTileSlope(tile_end, &z_end); + if (IsSteepSlope(tileh_start)) z_start += TILE_HEIGHT; if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh_start)) { z_start += TILE_HEIGHT; tileh_start = SLOPE_FLAT; } + if (IsSteepSlope(tileh_end)) z_end += TILE_HEIGHT; if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh_end)) { z_end += TILE_HEIGHT; tileh_end = SLOPE_FLAT; @@ -596,7 +598,10 @@ static uint GetBridgeHeightRamp(TileIndex t) uint f = GetBridgeFoundation(tileh, DiagDirToAxis(GetBridgeRampDirection(t))); // one height level extra if the ramp is on a flat foundation - return h + TILE_HEIGHT + (IS_INT_INSIDE(f, 1, 15) ? TILE_HEIGHT : 0); + return + h + TILE_HEIGHT + + (IS_INT_INSIDE(f, 1, 15) ? TILE_HEIGHT : 0) + + (IsSteepSlope(tileh) ? TILE_HEIGHT : 0); } @@ -832,10 +837,10 @@ uint GetBridgeHeight(TileIndex t) return GetBridgeHeightRamp(GetSouthernBridgeEnd(t)); } -static const byte _bridge_foundations[2][16] = { -// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 - {0,16,18,3,20,5,0,7,22,0,10,11,12,13,14}, - {0,15,17,0,19,5,6,7,21,9,10,11, 0,13,14}, +static const byte _bridge_foundations[][31] = { +// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 _S _W _N _E + { 0,16,18, 3,20, 5, 0, 7,22, 0,10,11,12,13,14, 0, 0, 0, 0, 0, 0, 0, 0,18, 0, 0, 0,16, 0,22,20 }, + { 0,15,17, 0,19, 5, 6, 7,21, 9,10,11, 0,13,14, 0, 0, 0, 0, 0, 0, 0, 0,17, 0, 0, 0,15, 0,21,19 } }; extern const byte _road_sloped_sprites[14]; @@ -890,11 +895,15 @@ uint GetBridgeFoundation(Slope tileh, Axis axis) // inclined sloped building switch (tileh) { - case SLOPE_W: i = 0; break; - case SLOPE_S: i = 2; break; - case SLOPE_E: i = 4; break; - case SLOPE_N: i = 6; break; - default: return 0; + case SLOPE_W: + case SLOPE_STEEP_W: i = 0; break; + case SLOPE_S: + case SLOPE_STEEP_S: i = 2; break; + case SLOPE_E: + case SLOPE_STEEP_E: i = 4; break; + case SLOPE_N: + case SLOPE_STEEP_N: i = 6; break; + default: return 0; } if (axis != AXIS_X) ++i; return i + 15; @@ -1103,6 +1112,7 @@ static uint GetSlopeZ_TunnelBridge(TileIndex tile, uint x, uint y) if (5 <= pos && pos <= 10) { uint delta; + if (IsSteepSlope(tileh)) return z + TILE_HEIGHT * 2; if (HASBIT(BRIDGE_HORZ_RAMP, tileh)) return z + TILE_HEIGHT; if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh)) z += TILE_HEIGHT; @@ -1118,19 +1128,32 @@ static uint GetSlopeZ_TunnelBridge(TileIndex tile, uint x, uint y) uint f = GetBridgeFoundation(tileh, DiagDirToAxis(dir)); if (f != 0) { - if (f < 15) return z + TILE_HEIGHT; + if (IsSteepSlope(tileh)) { + z += TILE_HEIGHT; + } else if (f < 15) { + return z + TILE_HEIGHT; + } tileh = _inclined_tileh[f - 15]; } } } else { + uint ground_z; + // HACK on the bridge? - if (_get_z_hint >= z + TILE_HEIGHT + (tileh == SLOPE_FLAT ? 0 : TILE_HEIGHT)) return _get_z_hint; + ground_z = z + TILE_HEIGHT; + if (tileh != SLOPE_FLAT) ground_z += TILE_HEIGHT; + if (IsSteepSlope(tileh)) ground_z += TILE_HEIGHT; + if (_get_z_hint >= ground_z) return _get_z_hint; if (IsTransportUnderBridge(tile)) { uint f = _bridge_foundations[GetBridgeAxis(tile)][tileh]; if (f != 0) { - if (f < 15) return z + TILE_HEIGHT; + if (IsSteepSlope(tileh)) { + z += TILE_HEIGHT; + } else if (f < 15) { + return z + TILE_HEIGHT; + } tileh = _inclined_tileh[f - 15]; } } -- cgit v1.2.3-54-g00ecf