Changeset - r4246:d7c3c79a1959
[Not reviewed]
master
0 5 0
tron - 18 years ago 2006-08-10 14:44:32
tron@openttd.org
(svn r5833) -Feature: Allow building of (certain) rails, roads and bridge ramps on steep sloped tiles
5 files changed with 106 insertions and 44 deletions:
0 comments (0 inline, 0 general)
landscape.c
Show inline comments
 
@@ -214,6 +214,17 @@ void DrawFoundation(TileInfo *ti, uint f
 
		OffsetGroundSprite(31, 1);
 
	} else {
 
		// inclined foundation
 
		if (IsSteepSlope(ti->tileh)) {
 
			uint32 lower_base;
 

	
 
			// Lower part of foundation
 
			lower_base = sprite_base;
 
			if (lower_base == SPR_SLOPES_BASE - 15) lower_base = SPR_FOUNDATION_BASE;
 
			AddSortableSpriteToDraw(
 
				lower_base + (ti->tileh & ~SLOPE_STEEP), ti->x, ti->y, 16, 16, 7, ti->z
 
			);
 
			ti->z += TILE_HEIGHT;
 
		}
 
		AddSortableSpriteToDraw(sprite_base + f, ti->x, ti->y, 16, 16, 1, ti->z);
 
		ti->tileh = _inclined_tileh[f - 15];
 
		OffsetGroundSprite(31, 9);
rail_cmd.c
Show inline comments
 
@@ -154,8 +154,10 @@ uint GetRailFoundation(Slope tileh, Trac
 
{
 
	uint i;
 

	
 
	if ((~_valid_tileh_slopes[0][tileh] & bits) == 0) return 0;
 
	if ((~_valid_tileh_slopes[1][tileh] & bits) == 0) return tileh;
 
	if (!IsSteepSlope(tileh)) {
 
		if ((~_valid_tileh_slopes[0][tileh] & bits) == 0) return 0;
 
		if ((~_valid_tileh_slopes[1][tileh] & bits) == 0) return tileh;
 
	}
 

	
 
	switch (bits) {
 
		case TRACK_BIT_X: i = 0; break;
 
@@ -163,11 +165,15 @@ uint GetRailFoundation(Slope tileh, Trac
 
		default:          return 0;
 
	}
 
	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;
 
	}
 
	return i + 15;
 
}
 
@@ -175,8 +181,12 @@ uint GetRailFoundation(Slope tileh, Trac
 

	
 
static uint32 CheckRailSlope(Slope tileh, TrackBits rail_bits, TrackBits existing, TileIndex tile)
 
{
 
	// never allow building on top of steep tiles
 
	if (!IsSteepSlope(tileh)) {
 
	if (IsSteepSlope(tileh)) {
 
		if (existing == 0 &&
 
				(rail_bits == TRACK_BIT_X || rail_bits == TRACK_BIT_Y)) {
 
			return _price.terraform;
 
		}
 
	} else {
 
		rail_bits |= existing;
 

	
 
		// don't allow building on the lower side of a coast
 
@@ -1702,7 +1712,11 @@ static uint GetSlopeZ_Track(TileIndex ti
 
		uint f = GetRailFoundation(tileh, GetTrackBits(tile));
 

	
 
		if (f != 0) {
 
			if (f < 15) return z + TILE_HEIGHT; // leveled foundation
 
			if (IsSteepSlope(tileh)) {
 
				z += TILE_HEIGHT;
 
			} else if (f < 15) {
 
				return z + TILE_HEIGHT; // leveled foundation
 
			}
 
			tileh = _inclined_tileh[f - 15]; // inclined foundation
 
		}
 
		return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
road_cmd.c
Show inline comments
 
@@ -243,7 +243,15 @@ static uint32 CheckRoadSlope(Slope tileh
 
{
 
	RoadBits road_bits;
 

	
 
	if (IsSteepSlope(tileh)) return CMD_ERROR;
 
	if (IsSteepSlope(tileh)) {
 
		if (existing == 0) {
 
			// force full pieces.
 
			*pieces |= (*pieces & 0xC) >> 2;
 
			*pieces |= (*pieces & 0x3) << 2;
 
			if (*pieces == ROAD_X || *pieces == ROAD_Y) return _price.terraform;
 
		}
 
		return CMD_ERROR;
 
	}
 
	road_bits = *pieces | existing;
 

	
 
	// no special foundation
 
@@ -354,11 +362,6 @@ int32 CmdBuildRoad(TileIndex tile, uint3
 
		}
 

	
 
		case MP_TUNNELBRIDGE:
 
			/* check for flat land */
 
			if (IsSteepSlope(tileh)) {
 
				return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);
 
			}
 

	
 
			if (!IsBridge(tile) || !IsBridgeMiddle(tile)) goto do_clear;
 

	
 
			/* only allow roads pertendicular to bridge */
 
@@ -659,7 +662,10 @@ uint GetRoadFoundation(Slope tileh, Road
 
	uint i;
 

	
 
	// normal level sloped building
 
	if ((~_valid_tileh_slopes_road[1][tileh] & bits) == 0) return tileh;
 
	if (!IsSteepSlope(tileh) &&
 
			(~_valid_tileh_slopes_road[1][tileh] & bits) == 0) {
 
		return tileh;
 
	}
 

	
 
	// inclined sloped building
 
	switch (bits) {
 
@@ -668,11 +674,15 @@ uint GetRoadFoundation(Slope tileh, Road
 
		default:     return 0;
 
	}
 
	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;
 
	}
 
	return i + 15;
 
}
 
@@ -839,7 +849,11 @@ static uint GetSlopeZ_Road(TileIndex til
 
		uint f = GetRoadFoundation(tileh, GetRoadBits(tile));
 

	
 
		if (f != 0) {
 
			if (f < 15) return z + TILE_HEIGHT; // leveled foundation
 
			if (IsSteepSlope(tileh)) {
 
				z += TILE_HEIGHT;
 
			} else if (f < 15) {
 
				return z + TILE_HEIGHT; // leveled foundation
 
			}
 
			tileh = _inclined_tileh[f - 15]; // inclined foundation
 
		}
 
		return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
table/autorail.h
Show inline comments
 
@@ -38,14 +38,14 @@ static const int _AutorailTilehSprite[][
 
	{       0,       1,       2,       3,       4,       5 }, // invalid (20)
 
	{       0,       1,       2,       3,       4,       5 }, // invalid (21)
 
	{       0,       1,       2,       3,       4,       5 }, // invalid (22)
 
	{  RED(6), RED(11), RED(17), RED(27), RED(39), RED(47) }, // tileh = 23
 
	{       6,      11, RED(17), RED(27), RED(39), RED(47) }, // tileh = 23
 
	{       0,       1,       2,       3,       4,       5 }, // invalid (24)
 
	{       0,       1,       2,       3,       4,       5 }, // invalid (25)
 
	{       0,       1,       2,       3,       4,       5 }, // invalid (26)
 
	{  RED(7), RED(15), RED(24), RED(33), RED(36), RED(44) }, // tileh = 27
 
	{       7,      15, RED(24), RED(33), RED(36), RED(44) }, // tileh = 27
 
	{       0,       1,       2,       3,       4,       5 }, // invalid (28)
 
	{  RED(3), RED(14), RED(18), RED(26), RED(41), RED(49) }, // tileh = 29
 
	{  RED(4), RED(12), RED(21), RED(30), RED(37), RED(45) }, // tileh = 30
 
	{       3,      14, RED(18), RED(26), RED(41), RED(49) }, // tileh = 29
 
	{       4,      12, RED(21), RED(30), RED(37), RED(45) }  // tileh = 30
 
};
 
#undef RED
 

	
tunnelbridge_cmd.c
Show inline comments
 
@@ -118,8 +118,8 @@ static int32 CheckBridgeSlopeNorth(Axis 
 
	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 
 
	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,
 
	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(TileInde
 
	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, Ax
 

	
 
	// 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(TileI
 
			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(TileI
 
				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];
 
				}
 
			}
0 comments (0 inline, 0 general)