truelight@0: #include "stdafx.h"
truelight@0: #include "ttd.h"
tron@507: #include "table/strings.h"
tron@679: #include "map.h"
truelight@0: #include "vehicle.h"
truelight@0: #include "viewport.h"
truelight@0: #include "command.h"
truelight@0: #include "player.h"
truelight@0: #include "town.h"
truelight@0: #include "gfx.h"
truelight@159: #include "table/directions.h"
tron@337: #include "sound.h"
truelight@0: 
darkvater@22: /* When true, GetTrackStatus for roads will treat roads under reconstruction
darkvater@22:  * as normal roads instead of impassable. This is used when detecting whether
darkvater@22:  * a road can be removed. This is of course ugly, but I don't know a better
darkvater@22:  * solution just like that... */
truelight@0: static bool _road_special_gettrackstatus;
truelight@0: 
truelight@0: void RoadVehEnterDepot(Vehicle *v);
truelight@0: 
truelight@0: 
truelight@84: bool HasTileRoadAt(uint tile, int i)
truelight@0: {
truelight@0: 	int mask;
truelight@0: 	byte b;
truelight@0: 
truelight@0: 	switch(GET_TILETYPE(tile)) {
truelight@0: 	case MP_STREET:
truelight@0: 		b = _map5[tile];
truelight@201: 
truelight@0: 		if ((b & 0xF0) == 0) {
truelight@0: 		} else if ((b & 0xF0) == 0x10) {
truelight@0: 			b = (b&8)?5:10;
truelight@0: 		} else if ((b & 0xF0) == 0x20) {
truelight@0: 			return (~b & 3) == i;
truelight@0: 		} else
truelight@0: 			return false;
truelight@0: 		break;
truelight@201: 
truelight@0: 	case MP_STATION:
truelight@0: 		b = _map5[tile];
truelight@0: 		if (!IS_BYTE_INSIDE(b, 0x43, 0x43+8))
truelight@0: 			return false;
truelight@0: 		return ((~(b - 0x43) & 3) == i);
truelight@0: 
truelight@0: 	case MP_TUNNELBRIDGE:
truelight@0: 		mask = GetRoadBitsByTile(tile);
truelight@0: 		b = 10; if (mask & 1) break;
truelight@0: 		b = 5;  if (mask & 2) break;
truelight@0: 		return false;
truelight@0: 
truelight@0: 	default:
truelight@0: 		return false;
truelight@0: 	}
truelight@0: 
truelight@0: 	return HASBIT(b, i);
truelight@0: }
truelight@0: 
truelight@0: static bool CheckAllowRemoveRoad(uint tile, uint br, bool *edge_road)
truelight@0: {
truelight@0: 	int blocks;
truelight@0: 	byte owner;
truelight@0: 	uint n;
truelight@0: 	*edge_road = true;
truelight@0: 
truelight@0: 	if (_game_mode == GM_EDITOR)
truelight@0: 		return true;
truelight@0: 
truelight@0: 	blocks = GetRoadBitsByTile(tile);
truelight@0: 	if (blocks == 0)
truelight@0: 		return true;
truelight@0: 
truelight@0: 	// Only do the special processing for actual players.
truelight@0: 	if (_current_player >= MAX_PLAYERS)
truelight@0: 		return true;
truelight@0: 
truelight@0: 	// A railway crossing has the road owner in the map3_lo byte.
truelight@0: 	if (IS_TILETYPE(tile, MP_STREET) && (_map5[tile] & 0xF0) == 0x10) {
truelight@0: 		owner = _map3_lo[tile];
truelight@0: 	} else {
truelight@0: 		owner = _map_owner[tile];
truelight@0: 	}
truelight@0: 	// Only do the special processing if the road is owned
truelight@0: 	// by a town
truelight@0: 	if (owner != OWNER_TOWN) {
truelight@0: 		return owner == OWNER_NONE || CheckOwnership(owner);
truelight@0: 	}
truelight@0: 
truelight@0: 	if (_cheats.magic_bulldozer.value)
truelight@0: 		return true;
truelight@0: 
truelight@0: 	// Get a bitmask of which neighbouring roads has a tile
truelight@0: 	n = 0;
truelight@0: 	if (blocks&0x25 && HasTileRoadAt(TILE_ADDXY(tile,-1, 0), 1)) n |= 8;
truelight@0: 	if (blocks&0x2A && HasTileRoadAt(TILE_ADDXY(tile, 0, 1), 0)) n |= 4;
truelight@0: 	if (blocks&0x19 && HasTileRoadAt(TILE_ADDXY(tile, 1, 0), 3)) n |= 2;
truelight@0: 	if (blocks&0x16 && HasTileRoadAt(TILE_ADDXY(tile, 0,-1), 2)) n |= 1;
truelight@201: 
truelight@0: 	// If 0 or 1 bits are set in n, or if no bits that match the bits to remove,
truelight@0: 	// then allow it
truelight@0: 	if ((n & (n-1)) != 0 && (n & br) != 0) {
truelight@0: 		Town *t;
truelight@0: 		*edge_road = false;
truelight@0: 		// you can remove all kind of roads with extra dynamite
truelight@0: 		if (_patches.extra_dynamite)
truelight@0: 			return true;
truelight@0: 
truelight@0: 		t = ClosestTownFromTile(tile, (uint)-1);
tron@534: 		SetDParam(0, t->index);
truelight@0: 		_error_message = STR_2009_LOCAL_AUTHORITY_REFUSES;
truelight@0: 		return false;
truelight@0: 	}
truelight@0: 
truelight@0: 	return true;
truelight@0: }
truelight@0: 
truelight@0: bool IsRoadDepotTile(TileIndex tile)
truelight@0: {
truelight@0: 	return IS_TILETYPE(tile, MP_STREET) &&
truelight@0: 					(_map5[tile] & 0xF0) == 0x20;
truelight@0: }
truelight@0: 
truelight@0: uint GetRoadBitsByTile(TileIndex tile)
truelight@0: {
truelight@159: 	uint32 r = GetTileTrackStatus(tile, TRANSPORT_ROAD);
truelight@0: 	return (byte)(r | (r >> 8));
truelight@0: }
truelight@0: 
truelight@0: // cost for removing inner/edge -roads
truelight@0: static const uint16 _road_remove_cost[2] = {50, 18};
truelight@0: 
truelight@0: /* Delete a piece of road
truelight@0:  * p1 = piece type
truelight@0:  */
truelight@0: int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	TileInfo ti;
truelight@0: 	int32 cost;
truelight@0: 	uint tile;
truelight@0: 	Town *t;
truelight@201: 	/*	true if the roadpiece was always removeable,
truelight@0: 			false if it was a center piece. Affects town ratings drop
truelight@0: 	*/
truelight@0: 	bool edge_road;
truelight@201: 
truelight@0: 	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
truelight@0: 
truelight@0: 	FindLandscapeHeight(&ti, x, y);
truelight@0: 	tile = ti.tile;
truelight@0: 	t = ClosestTownFromTile(tile, (uint)-1); // needed for town rating penalty
truelight@201: 
truelight@0: 	// allow deleting road under bridge
truelight@0: 	if (ti.type != MP_TUNNELBRIDGE && !EnsureNoVehicle(tile))
truelight@0: 		return CMD_ERROR;
truelight@0: 
truelight@0: 	{
truelight@0: 		bool b;
truelight@0: 		_road_special_gettrackstatus = true;
truelight@0: 		b = CheckAllowRemoveRoad(tile, p1, &edge_road);
truelight@0: 		_road_special_gettrackstatus = false;
truelight@0: 		if (!b)
truelight@0: 			return CMD_ERROR;
truelight@0: 	}
truelight@0: 
truelight@0: 	if (ti.type == MP_TUNNELBRIDGE) {
truelight@0: 		if (!EnsureNoVehicleZ(tile, GET_TILEHEIGHT(tile)))
truelight@0: 			return CMD_ERROR;
truelight@0: 
truelight@0: 		if ((ti.map5 & 0xE9) == 0xE8) {
truelight@0: 			if (p1 & 10) goto return_error;
truelight@0: 		} else if ((ti.map5 & 0xE9) == 0xE9) {
truelight@0: 			if (p1 & 5) goto return_error;
truelight@0: 		} else
truelight@0: 			goto return_error;
truelight@0: 
truelight@0: 		cost = _price.remove_road * 2;
truelight@0: 
truelight@0: 		if (flags & DC_EXEC) {
truelight@0: 			_map5[tile] = ti.map5 & 0xC7;
truelight@0: 			_map_owner[tile] = OWNER_NONE;
truelight@0: 			MarkTileDirtyByTile(tile);
truelight@0: 		}
truelight@0: 		return cost;
truelight@0: 	} else if (ti.type == MP_STREET) {
truelight@0: 		if (!(ti.map5 & 0xF0)) {
truelight@0: 			uint c = p1, t2;
truelight@0: 
truelight@0: 			if (ti.tileh != 0  && (ti.map5 == 5 || ti.map5 == 10)) {
truelight@0: 				c |= (c & 0xC) >> 2;
truelight@0: 				c |= (c & 0x3) << 2;
truelight@0: 			}
truelight@0: 
truelight@0: 			// limit the bits to delete to the existing bits.
truelight@0: 			if ((c &= ti.map5) == 0) goto return_error;
truelight@201: 
truelight@0: 			// calculate the cost
truelight@0: 			t2 = c;
truelight@0: 			cost = 0;
truelight@0: 			do {
truelight@201: 				if (t2&1) cost += _price.remove_road;
truelight@0: 			} while(t2>>=1);
truelight@201: 
truelight@0: 			// check if you're allowed to remove the street owned by a town
truelight@201: 			// removal allowance depends on difficulty setting
truelight@0: 			if(_map_owner[tile] == OWNER_TOWN && _game_mode != GM_EDITOR) {
truelight@201: 				if (!CheckforTownRating(tile, flags, t, ROAD_REMOVE))
truelight@0: 					return CMD_ERROR;
truelight@0: 			}
truelight@201: 
truelight@0: 			if (flags & DC_EXEC) {
truelight@201: 				// checks if the owner is town than decrease town rating by 50 until you have
truelight@0: 				// a "Poor" town rating
truelight@0: 				if(_map_owner[tile] == OWNER_TOWN && _game_mode != GM_EDITOR)
truelight@201: 					ChangeTownRating(t, -_road_remove_cost[(byte)edge_road], -100);
truelight@0: 
truelight@0: 				_map5[tile] ^= c;
truelight@0: 				if ((_map5[tile]&0xF) == 0)
truelight@0: 					DoClearSquare(tile);
truelight@0: 				else
truelight@0: 					MarkTileDirtyByTile(tile);
truelight@0: 
truelight@0: 			}
truelight@201: 			return cost;
truelight@0: 		} else if (!(ti.map5 & 0xE0)) {
truelight@0: 			byte c;
truelight@0: 
truelight@0: 			if (!(ti.map5 & 8)) {
truelight@201: 				c = 2;
truelight@0: 				if (p1 & 5) goto return_error;
truelight@0: 			} else {
truelight@0: 				c = 1;
truelight@0: 				if (p1 & 10) goto return_error;
truelight@0: 			}
truelight@0: 
truelight@0: 			cost = _price.remove_road * 2;
truelight@0: 			if (flags & DC_EXEC) {
truelight@201: 				ModifyTile(tile,
truelight@0: 					MP_SETTYPE(MP_RAILWAY) |
truelight@0: 					MP_MAP2_CLEAR | MP_MAP3LO | MP_MAP3HI_CLEAR | MP_MAP5,
truelight@0: 					_map3_hi[tile] & 0xF, /* map3_lo */
truelight@0: 					c											/* map5 */
truelight@0: 				);
truelight@0: 			}
truelight@0: 			return cost;
truelight@0: 		} else
truelight@0: 			goto return_error;
truelight@0: 
truelight@0: 	} else {
truelight@0: return_error:;
truelight@0: 		return_cmd_error(INVALID_STRING_ID);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: enum {
truelight@0: 	ROAD_NW = 1, // NW road track
truelight@0: 	ROAD_SW = 2, // SW road track
truelight@0: 	ROAD_SE = 4, // SE road track
truelight@0: 	ROAD_NE = 8, // NE road track
truelight@0: 	ROAD_ALL = (ROAD_NW | ROAD_SW | ROAD_SE | ROAD_NE)
truelight@0: };
truelight@201: 
dominik@13: static const byte _valid_tileh_slopes_road[3][15] = {
truelight@0: 	// set of normal ones
truelight@0: 	{
truelight@0: 		ROAD_ALL, 0, 0,
truelight@0: 		ROAD_SW | ROAD_NE, 0, 0,  // 3, 4, 5
truelight@0: 		ROAD_NW | ROAD_SE, 0, 0,
truelight@0: 		ROAD_NW | ROAD_SE, 0, 0,  // 9, 10, 11
truelight@0: 		ROAD_SW | ROAD_NE, 0, 0
truelight@201: 	},
truelight@0: 	// allowed road for an evenly raised platform
truelight@201: 	{
truelight@0: 		0,
truelight@0: 		ROAD_SW | ROAD_NW,
truelight@0: 		ROAD_SW | ROAD_SE,
truelight@0: 		ROAD_NW | ROAD_SE | ROAD_SW,
truelight@0: 
truelight@0: 		ROAD_SE | ROAD_NE, // 4
truelight@0: 		ROAD_ALL,
truelight@0: 		ROAD_SW | ROAD_NE | ROAD_SE,
truelight@0: 		ROAD_ALL,
truelight@0: 
truelight@0: 		ROAD_NW | ROAD_NE, // 8
truelight@0: 		ROAD_SW | ROAD_NE | ROAD_NW,
truelight@0: 		ROAD_ALL,
truelight@0: 		ROAD_ALL,
truelight@0: 
truelight@0: 		ROAD_NW | ROAD_SE | ROAD_NE, // 12
truelight@0: 		ROAD_ALL,
truelight@0: 		ROAD_ALL
dominik@13: 	},
dominik@13: 	// valid railway crossings on slopes
dominik@13: 	{
dominik@13: 		1, 0, 0, // 0, 1, 2
dominik@13: 		0, 0, 1, // 3, 4, 5
dominik@13: 		0, 1, 0, // 6, 7, 8
dominik@13: 		0, 1, 1, // 9, 10, 11
dominik@13: 		0, 1, 1, // 12, 13, 14
truelight@0: 	}
truelight@0: };
truelight@0: 
truelight@0: 
truelight@201: static uint32 CheckRoadSlope(int tileh, byte *pieces, byte existing)
truelight@0: {
truelight@0: 	if (!(tileh & 0x10)) {
truelight@0: 		byte road_bits = *pieces | existing;
truelight@0: 
truelight@0: 		// no special foundation
truelight@0: 		if ((~_valid_tileh_slopes_road[0][tileh] & road_bits) == 0) {
truelight@0: 			// force that all bits are set when we have slopes
truelight@0: 			if (tileh != 0) *pieces |= _valid_tileh_slopes_road[0][tileh];
truelight@0: 			return 0; // no extra cost
truelight@0: 		}
truelight@201: 
truelight@0: 		// foundation is used. Whole tile is leveled up
truelight@0: 		if ((~_valid_tileh_slopes_road[1][tileh] & road_bits) == 0) {
truelight@201: 			return existing ? 0 : _price.terraform;
truelight@0: 		}
truelight@0: 
truelight@0: 		// partly leveled up tile, only if there's no road on that tile
truelight@0: 		if ( !existing && (tileh == 1 || tileh == 2 || tileh == 4 || tileh == 8) ) {
truelight@0: 			// force full pieces.
truelight@0: 			*pieces |= (*pieces & 0xC) >> 2;
truelight@0: 			*pieces |= (*pieces & 0x3) << 2;
darkvater@72: 			return (*pieces == (ROAD_NE|ROAD_SW) || *pieces == (ROAD_SE|ROAD_NW)) ? _price.terraform : CMD_ERROR;
truelight@0: 		}
truelight@0: 	}
truelight@0: 	return CMD_ERROR;
truelight@0: }
truelight@0: 
truelight@0: /* Build a piece of road
truelight@0:  * p1 = piece flags
truelight@0:  */
truelight@0: 
truelight@0: int32 CmdBuildRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	TileInfo ti;
truelight@0: 	int32 cost;
truelight@0: 	byte pieces = (byte)p1, existing = 0;
truelight@0: 	uint tile;
truelight@201: 
truelight@0: 	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
truelight@0: 
truelight@0: 	FindLandscapeHeight(&ti, x, y);
truelight@0: 	tile = ti.tile;
truelight@0: 
truelight@0: 	// allow building road under bridge
truelight@0: 	if (ti.type != MP_TUNNELBRIDGE && !EnsureNoVehicle(tile))
truelight@0: 		return CMD_ERROR;
truelight@0: 
truelight@0: 	if (ti.type == MP_STREET) {
truelight@0: 		if (!(ti.map5 & 0xF0)) {
truelight@0: 			if ( ((pieces) & (byte)(ti.map5)) == (pieces))
truelight@0: 				return_cmd_error(STR_1007_ALREADY_BUILT);
truelight@0: 			existing = ti.map5;
truelight@0: 		} else {
truelight@0: 			if (!(ti.map5 & 0xE0) && pieces != ((ti.map5 & 8) ? 5 : 10))
truelight@0: 				return_cmd_error(STR_1007_ALREADY_BUILT);
truelight@0: 			goto do_clear;
truelight@0: 		}
truelight@0: 	} else if (ti.type == MP_RAILWAY) {
truelight@0: 		byte m5;
truelight@0: 
dominik@13: 		if (ti.tileh & 0x10) // very steep tile
dominik@13: 				return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);
dominik@13: 
dominik@13: 		if(!_valid_tileh_slopes_road[2][ti.tileh]) // prevent certain slopes
dominik@13: 				return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);
dominik@13: 
truelight@0: 		if (ti.map5 == 2) {
truelight@0: 			if (pieces & 5) goto do_clear;
truelight@0: 			m5 = 0x10;
truelight@0: 		} else if (ti.map5 == 1) {
truelight@0: 			if (pieces & 10) goto do_clear;
truelight@0: 			m5 = 0x18;
truelight@0: 		} else
truelight@0: 			goto do_clear;
truelight@0: 
truelight@0: 		if (flags & DC_EXEC) {
truelight@0: 			ModifyTile(tile,
truelight@0: 				MP_SETTYPE(MP_STREET) |
truelight@0: 				MP_MAP2_CLEAR | MP_MAP3LO | MP_MAP3HI | MP_MAP5,
truelight@0: 				_current_player, /* map3_lo */
truelight@0: 				_map3_lo[tile] & 0xF, /* map3_hi */
truelight@0: 				m5 /* map5 */
truelight@0: 			);
truelight@0: 		}
truelight@0: 		return _price.build_road * 2;
truelight@0: 	} else if (ti.type == MP_TUNNELBRIDGE) {
truelight@0: 
truelight@0: 		/* check for flat land */
dominik@13: 		if (ti.tileh & 0x10) // very steep tile
truelight@0: 				return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);
truelight@0: 
truelight@0: 		/* is this middle part of a bridge? */
truelight@0: 		if ((ti.map5 & 0xC0) != 0xC0)
truelight@0: 				goto do_clear;
truelight@0: 
truelight@0: 		/* only allow roads pertendicular to bridge */
truelight@0: 		if ((pieces & 5) == (ti.map5 & 0x01))
truelight@0: 				goto do_clear;
truelight@0: 
truelight@0: 		/* check if clear land under bridge */
truelight@0: 		if ((ti.map5 & 0xF8) == 0xE8) 			/* road under bridge */
truelight@0: 				return_cmd_error(STR_1007_ALREADY_BUILT);
truelight@0: 		else if ((ti.map5 & 0xE0) == 0xE0) 	/* other transport route under bridge */
truelight@0: 				return_cmd_error(STR_1008_MUST_REMOVE_RAILROAD_TRACK);
truelight@0: 		else if ((ti.map5 & 0xF8) == 0xC8) 	/* water under bridge */
truelight@0: 				return_cmd_error(STR_3807_CAN_T_BUILD_ON_WATER);
truelight@0: 
truelight@0: 		/* all checked, can build road now! */
truelight@0: 		cost = _price.build_road * 2;
truelight@0: 		if (flags & DC_EXEC) {
truelight@0: 			ModifyTile(tile,
truelight@0: 				MP_MAPOWNER_CURRENT | MP_MAP5,
truelight@0: 				(ti.map5 & 0xC7) | 0x28 // map5
truelight@0: 			);
truelight@0: 		}
truelight@0: 		return cost;
truelight@0: 	} else {
truelight@0: do_clear:;
truelight@0: 		if (DoCommandByTile(tile, 0, 0, flags & ~DC_EXEC, CMD_LANDSCAPE_CLEAR) == CMD_ERROR)
truelight@0: 			return CMD_ERROR;
truelight@0: 	}
truelight@0: 
truelight@0: 	cost = CheckRoadSlope(ti.tileh, &pieces, existing);
truelight@0: 	if (cost == CMD_ERROR) return_cmd_error(STR_1800_LAND_SLOPED_IN_WRONG_DIRECTION);
truelight@0: 
truelight@84: 	if (cost && (!_patches.build_on_slopes || (!_patches.ainew_active && _is_ai_player)))
truelight@0: 		return CMD_ERROR;
truelight@0: 
truelight@0: 	if (!(ti.type == MP_STREET && (ti.map5 & 0xF0) == 0)) {
truelight@0: 		cost += DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
truelight@0: 	} else {
truelight@0: 		// Don't put the pieces that already exist
truelight@0: 		pieces &= ~ti.map5;
truelight@0: 	}
truelight@0: 
truelight@0: 	{
truelight@0: 		byte t = pieces;
truelight@0: 		while (t) {
truelight@0: 			if (t & 1) cost += _price.build_road;
truelight@0: 			t >>= 1;
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	if (flags & DC_EXEC) {
truelight@0: 		if (ti.type != MP_STREET) {
truelight@0: 			_map_type_and_height[tile] &= 0xF;
truelight@0: 			_map_type_and_height[tile] |= MP_STREET << 4;
truelight@0: 			_map5[tile] = 0;
truelight@0: 			_map_owner[tile] = _current_player;
truelight@0: 		}
truelight@0: 
truelight@0: 		_map5[tile] |= (byte)pieces;
truelight@0: 
truelight@0: 		MarkTileDirtyByTile(tile);
truelight@0: 	}
truelight@0: 	return cost;
truelight@0: }
truelight@0: 
truelight@0: int32 DoConvertStreetRail(uint tile, uint totype, bool exec)
truelight@0: {
truelight@0: 	// not a railroad crossing?
truelight@0: 	if ((_map5[tile] & 0xF0) != 0x10) return CMD_ERROR;
truelight@0: 
truelight@0: 	// not owned by me?
truelight@0: 	if (!CheckTileOwnership(tile) || !EnsureNoVehicle(tile)) return CMD_ERROR;
truelight@0: 
truelight@0: 	// tile is already of requested type?
truelight@0: 	if ( (uint)(_map3_hi[tile] & 0xF) == totype) return CMD_ERROR;
truelight@0: 
truelight@0: 	if (exec) {
truelight@0: 		// change type.
truelight@0: 		_map3_hi[tile] = (_map3_hi[tile] & 0xF0) + totype;
truelight@0: 		MarkTileDirtyByTile(tile);
truelight@0: 	}
truelight@0: 
truelight@0: 	return _price.build_rail >> 1;
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: // Build a long piece of road.
truelight@0: // x,y = end tile
truelight@0: // p1 = start tile
truelight@0: // p2&1 = start tile starts in the 2nd half
truelight@0: // p2&2 = end tile starts in the 2nd half
truelight@0: // p2&4 = direction (0 = along x, 1=along y)
truelight@0: int32 CmdBuildLongRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	uint start_tile, end_tile, tile;
truelight@0: 	int mode;
truelight@0: 	int32 cost,ret;
truelight@0: 
darkvater@889: 	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
darkvater@889: 
truelight@0: 	start_tile = p1;
truelight@0: 	end_tile = TILE_FROM_XY(x, y);
truelight@0: 
truelight@0: 	if (start_tile > end_tile || (start_tile == end_tile && (p2&1))) {
truelight@0: 		uint t = start_tile; start_tile = end_tile; end_tile = t;
truelight@0: 		p2 ^= IS_INT_INSIDE(p2&3, 1, 3) ? 3 : 0;
truelight@0: 	}
truelight@0: 
truelight@0: 	cost = 0;
truelight@0: 	tile = start_tile;
truelight@0: 	// Start tile is the small number.
truelight@0: 	for(;;) {
truelight@0: 		mode = (p2&4) ? 5 : 10;
truelight@0: 
truelight@0: 		if (tile == start_tile && (p2&1))
truelight@0: 			mode &= (4+2);
truelight@0: 		else if (tile == end_tile && !(p2&2))
truelight@0: 			mode &= (1+8);
truelight@0: 
truelight@0: 		ret = DoCommandByTile(tile, mode, 0, flags, CMD_BUILD_ROAD);
truelight@0: 		if (ret == CMD_ERROR) {
truelight@0: 			if (_error_message != STR_1007_ALREADY_BUILT)
truelight@0: 				return CMD_ERROR;
truelight@0: 		} else {
truelight@0: 			cost += ret;
truelight@0: 		}
truelight@0: 
truelight@0: 		if (tile == end_tile)
truelight@0: 			break;
truelight@0: 
truelight@0: 		tile += (p2&4)?TILE_XY(0,1):TILE_XY(1,0);
truelight@0: 	}
truelight@0: 
truelight@0: 	// already built?
truelight@0: 	if (cost == 0)
truelight@0: 		return CMD_ERROR;
truelight@0: 
truelight@0: 	return cost;
truelight@0: }
truelight@0: 
truelight@0: // Remove a long piece of road.
truelight@0: // x,y = end tile
truelight@0: // p1 = start tile
truelight@0: // p2&1 = start tile starts in the 2nd half
truelight@0: // p2&2 = end tile starts in the 2nd half
truelight@0: // p2&4 = direction (0 = along x, 1=along y)
truelight@0: int32 CmdRemoveLongRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	uint start_tile, end_tile, tile;
truelight@0: 	int32 cost,ret;
truelight@0: 
darkvater@889: 	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
darkvater@889: 
truelight@0: 	start_tile = p1;
truelight@0: 	end_tile = TILE_FROM_XY(x, y);
truelight@0: 
truelight@0: 	if (start_tile > end_tile || (start_tile == end_tile && (p2&1))) {
truelight@0: 		uint t = start_tile; start_tile = end_tile; end_tile = t;
truelight@0: 		p2 ^= IS_INT_INSIDE(p2&3, 1, 3) ? 3 : 0;
truelight@0: 	}
truelight@0: 
truelight@0: 	cost = 0;
truelight@0: 	tile = start_tile;
truelight@0: 	// Start tile is the small number.
truelight@0: 	for(;;) {
truelight@0: 		uint bits = (p2 & 4) ? ROAD_SE | ROAD_NW : ROAD_SW | ROAD_NE;
truelight@0: 		if (tile == end_tile && !(p2&2)) bits &= ROAD_NW | ROAD_NE;
truelight@0: 		if (tile == start_tile && (p2&1)) bits &= ROAD_SE | ROAD_SW;
truelight@201: 
truelight@0: 		// try to remove the halves.
truelight@0: 		if (bits) {
truelight@0: 			ret = DoCommandByTile(tile, bits, 0, flags, CMD_REMOVE_ROAD);
truelight@0: 			if (ret != CMD_ERROR)
truelight@0: 				cost += ret;
truelight@0: 		}
truelight@0: 
truelight@0: 		if (tile == end_tile)
truelight@0: 			break;
truelight@0: 
truelight@0: 		tile += (p2&4)?TILE_XY(0,1):TILE_XY(1,0);
truelight@0: 	}
truelight@0: 
truelight@0: 	// already built?
truelight@0: 	if (cost == 0)
truelight@0: 		return CMD_ERROR;
truelight@0: 
truelight@0: 	return cost;
truelight@0: }
truelight@0: 
truelight@201: /* Build a road depot
truelight@0:  * p1 - direction (0-3)
truelight@0:  * p2 - unused
truelight@0:  */
truelight@0: 
truelight@0: int32 CmdBuildRoadDepot(int x, int y, uint32 flags, uint32 p1, uint32 p2)
truelight@0: {
truelight@0: 	TileInfo ti;
truelight@0: 	int32 cost;
truelight@0: 	Depot *dep;
truelight@0: 	uint tile;
truelight@0: 
truelight@0: 	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
truelight@0: 
truelight@0: 	FindLandscapeHeight(&ti, x, y);
truelight@0: 
truelight@0: 	tile = ti.tile;
truelight@0: 
truelight@0: 	if (!EnsureNoVehicle(tile))
truelight@0: 		return CMD_ERROR;
truelight@0: 
truelight@0: 	if (ti.tileh != 0) {
truelight@84: 		if (!_patches.build_on_slopes || (ti.tileh & 0x10 || !((0x4C >> p1) & ti.tileh) ))
truelight@0: 			return_cmd_error(STR_0007_FLAT_LAND_REQUIRED);
truelight@0: 	}
truelight@0: 
truelight@0: 	cost = DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
truelight@0: 	if (cost == CMD_ERROR)
truelight@0: 		return CMD_ERROR;
truelight@0: 
truelight@0: 	dep = AllocateDepot();
truelight@0: 	if (dep == NULL)
truelight@0: 		return CMD_ERROR;
truelight@0: 
truelight@201: 	if (flags & DC_EXEC) {
truelight@0: 		if (_current_player == _local_player)
truelight@0: 			_last_built_road_depot_tile = (TileIndex)tile;
truelight@0: 
truelight@0: 		dep->xy = tile;
truelight@0: 		dep->town_index = ClosestTownFromTile(tile, (uint)-1)->index;
truelight@0: 
truelight@0: 		ModifyTile(tile,
truelight@0: 			MP_SETTYPE(MP_STREET) |
truelight@0: 			MP_MAPOWNER_CURRENT | MP_MAP5,
truelight@0: 			(p1 | 0x20) /* map5 */
truelight@0: 		);
truelight@0: 
truelight@0: 	}
truelight@0: 	return cost + _price.build_road_depot;
truelight@0: }
truelight@0: 
truelight@0: static int32 RemoveRoadDepot(uint tile, uint32 flags)
truelight@0: {
darkvater@149: 	if (!CheckTileOwnership(tile) && _current_player != OWNER_WATER)
truelight@0: 		return CMD_ERROR;
truelight@0: 
truelight@0: 	if (!EnsureNoVehicle(tile))
truelight@0: 		return CMD_ERROR;
truelight@0: 
truelight@0: 	if (flags & DC_EXEC) {
truelight@0: 		DoDeleteDepot(tile);
truelight@0: 	}
truelight@0: 
truelight@0: 	return _price.remove_road_depot;
truelight@0: }
truelight@0: 
truelight@0: #define M(x) (1<<(x))
truelight@0: 
truelight@0: static int32 ClearTile_Road(uint tile, byte flags) {
truelight@0: 	int32 ret;
truelight@0: 	byte m5 = _map5[tile];
truelight@0: 
truelight@0: 	if ( (m5 & 0xF0) == 0) {
truelight@0: 		byte b = m5 & 0xF;
truelight@0: 
truelight@0: 		if (! ((1 << b) & (M(1)|M(2)|M(4)|M(8))) ) {
truelight@0: 			if ( (!(flags & DC_AI_BUILDING) || _map_owner[tile]!=OWNER_TOWN) && flags&DC_AUTO)
truelight@0: 				return_cmd_error(STR_1801_MUST_REMOVE_ROAD_FIRST);
truelight@0: 		}
truelight@0: 		return DoCommandByTile(tile, b, 0, flags, CMD_REMOVE_ROAD);
truelight@0: 	} else if ( (m5 & 0xE0) == 0) {
truelight@0: 		if (flags & DC_AUTO)
truelight@0: 			return_cmd_error(STR_1801_MUST_REMOVE_ROAD_FIRST);
truelight@0: 
truelight@0: 		ret = DoCommandByTile(tile, (m5&8)?5:10, 0, flags, CMD_REMOVE_ROAD);
truelight@0: 		if (ret == CMD_ERROR)
truelight@0: 			return CMD_ERROR;
truelight@201: 
truelight@0: 		if (flags & DC_EXEC) {
truelight@0: 			DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
truelight@201: 		}
truelight@0: 
truelight@0: 		return ret;
truelight@0: 	} else {
truelight@0: 		if (flags & DC_AUTO)
truelight@0: 			return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);
truelight@0: 		return RemoveRoadDepot(tile,flags);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: 
truelight@0: typedef struct DrawRoadTileStruct {
truelight@0: 	uint16 image;
truelight@0: 	byte subcoord_x;
truelight@0: 	byte subcoord_y;
truelight@0: } DrawRoadTileStruct;
truelight@0: 
truelight@0: typedef struct DrawRoadSeqStruct {
truelight@0: 	uint32 image;
truelight@0: 	byte subcoord_x;
truelight@0: 	byte subcoord_y;
truelight@0: 	byte width;
truelight@0: 	byte height;
truelight@0: } DrawRoadSeqStruct;
truelight@0: 
truelight@0: #include "table/road_land.h"
truelight@0: 
truelight@0: 
truelight@84: uint GetRoadFoundation(uint tileh, uint bits) {
truelight@0: 	int i;
truelight@0: 	// normal level sloped building
truelight@0: 	if ((~_valid_tileh_slopes_road[1][tileh] & bits) == 0)
truelight@0: 		return tileh;
truelight@0: 
truelight@0: 	// inclined sloped building
truelight@201: 	if ( ((i=0, tileh == 1) || (i+=2, tileh == 2) || (i+=2, tileh == 4) || (i+=2, tileh == 8)) &&
truelight@0: 		((bits == (ROAD_SW | ROAD_NE)) || (i++, bits == (ROAD_NW | ROAD_SE))))
truelight@0: 		return i + 15;
truelight@0: 
dominik@13: 	// rail crossing
dominik@13: 	if ((bits & 0x10) && _valid_tileh_slopes_road[2][tileh])
dominik@13: 		return tileh;
dominik@13: 
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
truelight@0: const byte _road_sloped_sprites[14] = {
truelight@0: 	0,  0,  2,  0,
truelight@0: 	0,  1,  0,  0,
truelight@0: 	3,  0,  0,  0,
truelight@0: 	0,  0
truelight@0: };
truelight@0: 
truelight@0: static void DrawTile_Road(TileInfo *ti)
truelight@0: {
truelight@201: 	uint32 image;
truelight@817: 	uint16 m2;
truelight@0: 	const byte *s;
truelight@0: 
truelight@0: 	if ( (ti->map5 & 0xF0) == 0) { // if it is a road the upper 4 bits are 0
truelight@0: 		const DrawRoadTileStruct *drts;
truelight@0: 
truelight@0: 		if (ti->tileh != 0) {
truelight@0: 			int f = GetRoadFoundation(ti->tileh, ti->map5 & 0xF);
truelight@0: 			if (f) DrawFoundation(ti, f);
truelight@201: 
truelight@0: 			// default sloped sprites..
truelight@0: 			if (ti->tileh != 0) {
truelight@0: 				image = _road_sloped_sprites[ti->tileh - 1] + 0x53F;
truelight@0: 			} else  {
truelight@0: 				image = _road_tile_sprites_1[ti->map5 & 0xF];
truelight@0: 			}
truelight@0: 		} else {
truelight@0: 			image = _road_tile_sprites_1[ti->map5 & 0xF];
truelight@0: 		}
truelight@0: 
truelight@0: 		m2 = _map2[ti->tile] & 7;
truelight@0: 
truelight@0: 		if (m2 == 0) image |= 0x3178000;
truelight@201: 
truelight@0: 		if (_map3_hi[ti->tile] & 0x80) {
truelight@0: 			image += 19;
truelight@0: 		} else if (m2 > 1 && m2 != 6) {
truelight@0: 			image -= 19; /* pavement along the road? */
truelight@0: 		}
truelight@0: 
truelight@0: 		DrawGroundSprite(image);
truelight@0: 
truelight@0: 		if (!(_display_opt & DO_FULL_DETAIL) || _cur_dpi->zoom == 2)
truelight@0: 			return;
truelight@0: 
truelight@0: 		if (m2 >= 6) {
truelight@0: 			// roadwork
truelight@0: 			DrawGroundSprite(0x586 + ((ti->map5&8)!=0 ? 0 : 1));
truelight@0: 			return;
truelight@0: 		}
truelight@0: 
truelight@0: 		drts = (const DrawRoadTileStruct*)_road_display_table[m2][ti->map5 & 0xF];
truelight@201: 
truelight@0: 		while ((image = drts->image) != 0) {
truelight@0: 			int x = ti->x | drts->subcoord_x;
truelight@0: 			int y = ti->y | drts->subcoord_y;
truelight@0: 			byte z = ti->z;
truelight@0: 			if (ti->tileh != 0)	z = GetSlopeZ(x, y);
truelight@0: 			AddSortableSpriteToDraw(image, x, y, 2, 2, 0x10, z);
truelight@0: 			drts++;
truelight@0: 		}
dominik@13: 	} else if ( (ti->map5 & 0xE0) == 0) { // railroad crossing
dominik@13: 		int f = GetRoadFoundation(ti->tileh, ti->map5 & 0xF);
dominik@13: 		if (f) DrawFoundation(ti, f);
dominik@13: 
truelight@0: 		image = 0x55B;
truelight@0: 
truelight@0: 		if ( (ti->map5 & 8) != 0)
truelight@0: 			image--;
truelight@0: 
truelight@0: 		if ( (ti->map5 & 4) != 0)
truelight@0: 			image += 2;
truelight@0: 
truelight@0: 		if ( _map3_hi[ti->tile] & 0x80) {
truelight@0: 			image += 8;
truelight@0: 		} else {
truelight@0: 			m2 = _map2[ti->tile] & 7;
truelight@0: 			if (m2 == 0) image |= 0x3178000;
truelight@0: 			if (m2 > 1) image += 4;
truelight@0: 		}
truelight@0: 
truelight@0: 		DrawGroundSprite(image + (_map3_hi[ti->tile] & 0xF) * 12);
truelight@0: 	} else {
truelight@0: 		uint32 ormod;
truelight@0: 		int player;
truelight@0: 		const DrawRoadSeqStruct *drss;
truelight@201: 
truelight@0: 		if (ti->tileh != 0) { DrawFoundation(ti, ti->tileh); }
truelight@0: 
truelight@0: 		ormod = 0x315;
truelight@0: 		player = _map_owner[ti->tile];
truelight@0: 		if (player < MAX_PLAYERS)
truelight@0: 			ormod = PLAYER_SPRITE_COLOR(player);
truelight@0: 
truelight@0: 		s = _road_display_datas[ti->map5 & 0xF];
truelight@201: 
darkvater@222: 		DrawGroundSprite(*(const uint32*)s);
truelight@0: 		s += sizeof(uint32);
darkvater@222: 		drss = (const DrawRoadSeqStruct*)s;
truelight@0: 
truelight@0: 		while ((image=drss->image) != 0) {
truelight@0: 			if (image & 0x8000)
truelight@0: 				image |= ormod;
tron@497: 			if (_display_opt & DO_TRANS_BUILDINGS) // show transparent depots
darkvater@204: 				image = (image & 0x3FFF) | 0x3224000;
truelight@0: 
truelight@201: 			AddSortableSpriteToDraw(image, ti->x | drss->subcoord_x,
truelight@0: 				ti->y | drss->subcoord_y, drss->width, drss->height, 0x14, ti->z);
truelight@0: 			drss++;
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: void DrawRoadDepotSprite(int x, int y, int image)
truelight@0: {
truelight@0: 	uint32 ormod;
truelight@0: 	const DrawRoadSeqStruct *dtss;
truelight@0: 	const byte *t;
truelight@0: 
truelight@0: 	ormod = PLAYER_SPRITE_COLOR(_local_player);
truelight@0: 
truelight@0: 	t = _road_display_datas[image];
truelight@0: 
truelight@0: 	x+=33;
truelight@0: 	y+=17;
truelight@0: 
darkvater@222: 	DrawSprite(*(const uint32*)t, x, y);
truelight@0: 	t += sizeof(uint32);
truelight@0: 
darkvater@222: 	for(dtss = (const DrawRoadSeqStruct *)t; dtss->image != 0; dtss++) {
truelight@0: 		Point pt = RemapCoords(dtss->subcoord_x, dtss->subcoord_y, 0);
truelight@201: 
truelight@0: 		image = dtss->image;
truelight@0: 		if (image & 0x8000)
truelight@0: 			image |= ormod;
truelight@0: 
truelight@0: 		DrawSprite(image, x + pt.x, y + pt.y);
truelight@0: 	}
truelight@0: }
truelight@0: 
tron@410: static uint GetSlopeZ_Road(TileInfo *ti)
truelight@0: {
truelight@0: 	uint z = ti->z;
truelight@0: 	int th = ti->tileh;
truelight@0: 
truelight@0: 	// check if it's a foundation
truelight@0: 	if (ti->tileh != 0) {
dominik@13: 		if ((ti->map5 & 0xE0) == 0) { /* road or crossing */
truelight@0: 			uint f = GetRoadFoundation(ti->tileh, ti->map5 & 0x3F);
truelight@0: 			if (f != 0) {
truelight@0: 				if (f < 15) {
truelight@0: 					// leveled foundation
truelight@0: 					return z + 8;
truelight@0: 				}
truelight@0: 				// inclined foundation
truelight@0: 				th = _inclined_tileh[f - 15];
truelight@0: 			}
truelight@0: 		} else if ((ti->map5 & 0xF0) == 0x20) {
truelight@0: 			// depot
truelight@0: 			return z + 8;
truelight@0: 		}
truelight@0: 		return GetPartialZ(ti->x&0xF, ti->y&0xF, th) + z;
truelight@0: 	}
dominik@39: 	return z; // normal Z if no slope
dominik@39: }
dominik@39: 
dominik@39: uint GetSlopeTileh_Road(TileInfo *ti)
dominik@39: {
dominik@39: 	// check if it's a foundation
dominik@39: 	if (ti->tileh != 0) {
dominik@39: 		if ((ti->map5 & 0xE0) == 0) { /* road or crossing */
dominik@39: 			uint f = GetRoadFoundation(ti->tileh, ti->map5 & 0x3F);
dominik@39: 			if (f != 0) {
dominik@39: 				if (f < 15) {
dominik@39: 					// leveled foundation
dominik@39: 					return 0;
dominik@39: 				}
dominik@39: 				// inclined foundation
dominik@39: 				return _inclined_tileh[f - 15];
dominik@39: 			}
dominik@39: 		} else if ((ti->map5 & 0xF0) == 0x20) {
dominik@39: 			// depot
dominik@39: 			return 0;
dominik@39: 		}
dominik@39: 	}
dominik@39: 	return ti->tileh;
truelight@0: }
truelight@0: 
tron@473: static void GetAcceptedCargo_Road(uint tile, AcceptedCargo ac)
truelight@0: {
truelight@0: 	/* not used */
truelight@0: }
truelight@0: 
truelight@0: static void AnimateTile_Road(uint tile)
truelight@0: {
truelight@0: 	if ((_map5[tile] & 0xF0) == 0x10) {
truelight@0: 		MarkTileDirtyByTile(tile);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static const byte _town_road_types[5][2] = {
truelight@0: 	{1,1},
truelight@0: 	{2,2},
truelight@0: 	{2,2},
truelight@0: 	{5,5},
truelight@0: 	{3,2},
truelight@0: };
truelight@0: 
truelight@0: static const byte _town_road_types_2[5][2] = {
truelight@0: 	{1,1},
truelight@0: 	{2,2},
truelight@0: 	{3,2},
truelight@0: 	{3,2},
truelight@0: 	{3,2},
truelight@0: };
truelight@0: 
truelight@0: 
truelight@0: static void TileLoop_Road(uint tile)
truelight@0: {
truelight@0: 	Town *t;
truelight@0: 	int grp;
truelight@201: 
truelight@0: 	if (_opt.landscape == LT_HILLY) {
truelight@0: 		// Fix snow style if the road is above the snowline
truelight@0: 		if ((_map3_hi[tile] & 0x80) != ((GetTileZ(tile) > _opt.snow_line) ? 0x80 : 0x00)) {
truelight@0: 			_map3_hi[tile] ^= 0x80;
truelight@0: 			MarkTileDirtyByTile(tile);
truelight@0: 		}
truelight@0: 	} else if (_opt.landscape == LT_DESERT) {
truelight@0: 		// Fix desert style
truelight@0: 		if (GetMapExtraBits(tile) == 1 && !(_map3_hi[tile] & 0x80)) {
truelight@0: 			_map3_hi[tile] |= 0x80;
truelight@0: 			MarkTileDirtyByTile(tile);
truelight@0: 		}
truelight@0: 	}
truelight@0: 
truelight@0: 	if (_map5[tile] & 0xE0)
truelight@0: 		return;
truelight@0: 
truelight@0: 	if ((_map2[tile] & 7) < 6) {
truelight@0: 		t = ClosestTownFromTile(tile, (uint)-1);
truelight@0: 		grp = 0;
truelight@0: 		if (t != NULL) {
truelight@0: 			// If in the scenario editor, set the owner to a town.
truelight@0: 			if (_game_mode == GM_EDITOR) {
truelight@0: 				_map_owner[tile] = OWNER_TOWN;
truelight@0: 			}
truelight@0: 
truelight@0: 			grp = GetTownRadiusGroup(t, tile);
truelight@201: 
truelight@0: 			// Show an animation to indicate road work
truelight@201: 			if (t->road_build_months != 0 &&
truelight@0: 					!(GetTileDist(t->xy, tile) >= 8 && grp==0) &&
truelight@0: 					(_map5[tile]==5 || _map5[tile]==10)) {
truelight@0: 				if (GetTileSlope(tile, NULL) == 0 && EnsureNoVehicle(tile) && CHANCE16(1,20)) {
truelight@0: 					_map2[tile] = ((_map2[tile]&7) <= 1) ? 6 : 7;
truelight@201: 
tron@541: 					SndPlayTileFx(SND_21_JACKHAMMER, tile);
truelight@0: 					CreateEffectVehicleAbove(
truelight@0: 						GET_TILE_X(tile) * 16 + 7,
truelight@0: 						GET_TILE_Y(tile) * 16 + 7,
truelight@0: 						0,
truelight@0: 						EV_ROADWORK);
truelight@0: 					MarkTileDirtyByTile(tile);
truelight@0: 					return;
truelight@0: 				}
truelight@0: 			}
truelight@0: 		}
truelight@0: 
truelight@0: 		{
truelight@0: 			const byte *p = (_opt.landscape == LT_CANDY) ? _town_road_types_2[grp] : _town_road_types[grp];
truelight@0: 			byte b = _map2[tile] & 7;
truelight@0: 
truelight@0: 			if (b == p[0])
truelight@0: 				return;
truelight@201: 
truelight@0: 			if (b == p[1]) {
truelight@0: 				b = p[0];
truelight@0: 			} else if (b == 0) {
truelight@0: 				b = p[1];
truelight@0: 			} else {
truelight@0: 				b = 0;
truelight@0: 			}
truelight@0: 			_map2[tile] = (_map2[tile] & ~7) | b;
truelight@0: 			MarkTileDirtyByTile(tile);
truelight@0: 		}
truelight@0: 	} else {
truelight@0: 		// Handle road work
truelight@201: 
truelight@817: 		uint16 b = _map2[tile];
truelight@0: 		if (b < 0x80) {
truelight@0: 			_map2[tile] = b + 8;
truelight@0: 			return;
truelight@0: 		}
truelight@0: 		_map2[tile] = ((b&7) == 6) ? 1 : 2;
truelight@0: 		MarkTileDirtyByTile(tile);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: void ShowRoadDepotWindow(uint tile);
truelight@0: 
truelight@0: static void ClickTile_Road(uint tile)
truelight@0: {
truelight@0: 	if ((_map5[tile] & 0xF0) == 0x20) {
truelight@0: 		ShowRoadDepotWindow(tile);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static const byte _road_trackbits[16] = {
truelight@0: 	0x0, 0x0, 0x0, 0x10, 0x0, 0x2, 0x8, 0x1A, 0x0, 0x4, 0x1, 0x15, 0x20, 0x26, 0x29, 0x3F,
truelight@0: };
truelight@0: 
truelight@159: static uint32 GetTileTrackStatus_Road(uint tile, TransportType mode)	{
truelight@159: 	if (mode == TRANSPORT_RAIL) {
truelight@0: 		if ((_map5[tile] & 0xF0) != 0x10)
truelight@0: 			return 0;
truelight@0: 		return _map5[tile] & 8 ? 0x101 : 0x202;
truelight@159: 	} else if  (mode == TRANSPORT_ROAD) {
truelight@0: 		byte b = _map5[tile];
truelight@0: 		if ((b & 0xF0) == 0) {
truelight@159: 			/* Ordinary road */
truelight@0: 			if (!_road_special_gettrackstatus && (_map2[tile]&7) >= 6)
truelight@0: 				return 0;
truelight@0: 			return _road_trackbits[b&0xF] * 0x101;
truelight@159: 		} else if ((b&0xF0) == 0x10) {
truelight@159: 			/* Crossing */
truelight@0: 			uint32 r = 0x101;
truelight@0: 			if (b&8) r <<= 1;
truelight@201: 
truelight@0: 			if (b&4) {
truelight@0: 				r *= 0x10001;
truelight@201: 			}
truelight@0: 			return r;
truelight@0: 		}
truelight@0: 	}
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
truelight@0: static const StringID _road_tile_strings[] = {
truelight@0: 	STR_1818_ROAD_RAIL_LEVEL_CROSSING,
truelight@0: 	STR_1817_ROAD_VEHICLE_DEPOT,
truelight@0: 
truelight@0: 	STR_1814_ROAD,
truelight@0: 	STR_1814_ROAD,
truelight@0: 	STR_1814_ROAD,
truelight@0: 	STR_1815_ROAD_WITH_STREETLIGHTS,
truelight@0: 	STR_1814_ROAD,
truelight@0: 	STR_1816_TREE_LINED_ROAD,
truelight@0: 	STR_1814_ROAD,
truelight@0: 	STR_1814_ROAD,
truelight@0: };
truelight@0: 
truelight@0: static void GetTileDesc_Road(uint tile, TileDesc *td)
truelight@0: {
truelight@0: 	int i = (_map5[tile] >> 4);
truelight@0: 	if (i == 0)
truelight@0: 		i = (_map2[tile] & 7) + 3;
truelight@0: 	td->str = _road_tile_strings[i - 1];
truelight@0: 	td->owner = _map_owner[tile];
truelight@0: }
truelight@0: 
truelight@0: static const byte _roadveh_enter_depot_unk0[4] = {
truelight@0: 	8, 9, 0, 1
truelight@0: };
truelight@0: 
truelight@0: static uint32 VehicleEnter_Road(Vehicle *v, uint tile, int x, int y)
truelight@0: {
truelight@0: 	if ((_map5[tile] & 0xF0) == 0x10)	{
truelight@0: 		if (v->type == VEH_Train && (_map5[tile] & 4) == 0) {
truelight@0: 			/* train crossing a road */
tron@541: 			SndPlayVehicleFx(SND_0E_LEVEL_CROSSING, v);
truelight@0: 			_map5[tile] |= 4;
truelight@0: 			MarkTileDirtyByTile(tile);
truelight@0: 		}
truelight@0: 	} else if ((_map5[tile]&0xF0) ==  0x20){
truelight@0: 		if (v->type == VEH_Road && v->u.road.frame == 11) {
truelight@0: 			if (_roadveh_enter_depot_unk0[_map5[tile]&3] == v->u.road.state) {
truelight@0: 				RoadVehEnterDepot(v);
truelight@0: 				return 4;
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: 	return 0;
truelight@0: }
truelight@0: 
truelight@0: static void VehicleLeave_Road(Vehicle *v, uint tile, int x, int y)
truelight@0: {
truelight@0: 	if ((_map5[tile] & 0xF0) == 0x10 && v->type == VEH_Train && v->next == NULL) {
truelight@0: 		_map5[tile] &= ~4;
truelight@0: 		MarkTileDirtyByTile(tile);
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: static void ChangeTileOwner_Road(uint tile, byte old_player, byte new_player)
truelight@0: {
truelight@0: 	byte b;
truelight@0: 
truelight@0: 	// road/rail crossing where the road is owned by the current player?
truelight@0: 	if (old_player == _map3_lo[tile] && (_map5[tile]&0xF0) == 0x10) {
truelight@0: 		_map3_lo[tile] = (new_player == 0xFF) ? OWNER_NONE : new_player;
truelight@0: 	}
truelight@0: 
truelight@0: 	if (_map_owner[tile] != old_player)
truelight@0: 		return;
truelight@0: 
truelight@0: 	if (new_player != 255) {
truelight@0: 		_map_owner[tile] = new_player;
truelight@0: 	}	else {
truelight@0: 		b = _map5[tile]&0xF0;
truelight@0: 		if (b == 0) {
truelight@0: 			_map_owner[tile] = OWNER_NONE;
truelight@0: 		} else if (b == 0x10) {
truelight@0: 			_map5[tile] = (_map5[tile]&8) ? 0x5 : 0xA;
truelight@0: 			_map_owner[tile] = _map3_lo[tile];
truelight@0: 			_map3_lo[tile] = 0;
truelight@0: 			_map3_hi[tile] &= 0x80;
truelight@0: 		} else {
truelight@0: 			DoCommandByTile(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
truelight@0: 		}
truelight@0: 	}
truelight@0: }
truelight@0: 
truelight@0: void InitializeRoad()
truelight@0: {
truelight@0: 	_last_built_road_depot_tile = 0;
truelight@0: }
truelight@0: 
truelight@0: const TileTypeProcs _tile_type_road_procs = {
truelight@0: 	DrawTile_Road,						/* draw_tile_proc */
truelight@0: 	GetSlopeZ_Road,						/* get_slope_z_proc */
truelight@0: 	ClearTile_Road,						/* clear_tile_proc */
truelight@0: 	GetAcceptedCargo_Road,		/* get_accepted_cargo_proc */
truelight@0: 	GetTileDesc_Road,					/* get_tile_desc_proc */
truelight@0: 	GetTileTrackStatus_Road,	/* get_tile_track_status_proc */
truelight@0: 	ClickTile_Road,						/* click_tile_proc */
truelight@0: 	AnimateTile_Road,					/* animate_tile_proc */
truelight@0: 	TileLoop_Road,						/* tile_loop_clear */
truelight@0: 	ChangeTileOwner_Road,			/* change_tile_owner_clear */
truelight@0: 	NULL,											/* get_produced_cargo_proc */
truelight@0: 	VehicleEnter_Road,				/* vehicle_enter_tile_proc */
truelight@0: 	VehicleLeave_Road,				/* vehicle_leave_tile_proc */
dominik@39: 	GetSlopeTileh_Road,				/* get_slope_tileh_proc */
truelight@0: };