summaryrefslogtreecommitdiff
path: root/src/ai/api/ai_marine.cpp
blob: 0e2e26a8acb40fff7e0eddf0ff5df57d5c22842e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/* $Id$ */

/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */

/** @file ai_marine.cpp Implementation of AIMarine. */

#include "ai_marine.hpp"
#include "ai_station.hpp"
#include "../../station_base.h"
#include "../../tile_cmd.h"
#include "../../economy_func.h"


/* static */ bool AIMarine::IsWaterDepotTile(TileIndex tile)
{
	if (!::IsValidTile(tile)) return false;

	return ::IsTileType(tile, MP_WATER) && ::GetWaterTileType(tile) == WATER_TILE_DEPOT;
}

/* static */ bool AIMarine::IsDockTile(TileIndex tile)
{
	if (!::IsValidTile(tile)) return false;

	return ::IsTileType(tile, MP_STATION) && ::IsDock(tile);
}

/* static */ bool AIMarine::IsBuoyTile(TileIndex tile)
{
	if (!::IsValidTile(tile)) return false;

	return ::IsTileType(tile, MP_STATION) && ::IsBuoy(tile);
}

/* static */ bool AIMarine::IsLockTile(TileIndex tile)
{
	if (!::IsValidTile(tile)) return false;

	return ::IsTileType(tile, MP_WATER) && ::GetWaterTileType(tile) == WATER_TILE_LOCK;
}

/* static */ bool AIMarine::IsCanalTile(TileIndex tile)
{
	if (!::IsValidTile(tile)) return false;

	return ::IsTileType(tile, MP_WATER) && ::IsCanal(tile);
}

/* static */ bool AIMarine::AreWaterTilesConnected(TileIndex t1, TileIndex t2)
{
	if (!::IsValidTile(t1)) return false;
	if (!::IsValidTile(t2)) return false;

	/* Tiles not neighbouring */
	if (::DistanceManhattan(t1, t2) != 1) return false;

	DiagDirection to_other_tile = ::DiagdirBetweenTiles(t1, t2);

	/* Determine the reachable tracks from the shared edge */
	TrackBits gtts1 = ::TrackStatusToTrackBits(::GetTileTrackStatus(t1, TRANSPORT_WATER, 0, to_other_tile)) & ::DiagdirReachesTracks(to_other_tile);
	if (gtts1 == TRACK_BIT_NONE) return false;

	to_other_tile = ReverseDiagDir(to_other_tile);
	TrackBits gtts2 = ::TrackStatusToTrackBits(::GetTileTrackStatus(t2, TRANSPORT_WATER, 0, to_other_tile)) & ::DiagdirReachesTracks(to_other_tile);

	return gtts2 != TRACK_BIT_NONE;
}

/* static */ bool AIMarine::BuildWaterDepot(TileIndex tile, TileIndex front)
{
	EnforcePrecondition(false, ::IsValidTile(tile));
	EnforcePrecondition(false, ::IsValidTile(front));
	EnforcePrecondition(false, (::TileX(front) == ::TileX(tile)) != (::TileY(front) == ::TileY(tile)));

	return AIObject::DoCommand(tile, ::TileY(front) == ::TileY(tile), 0, CMD_BUILD_SHIP_DEPOT);
}

/* static */ bool AIMarine::BuildDock(TileIndex tile, StationID station_id)
{
	EnforcePrecondition(false, ::IsValidTile(tile));
	EnforcePrecondition(false, station_id == AIStation::STATION_NEW || station_id == AIStation::STATION_JOIN_ADJACENT || AIStation::IsValidStation(station_id));

	uint p1 = station_id == AIStation::STATION_JOIN_ADJACENT ? 0 : 1;
	uint p2 = (AIStation::IsValidStation(station_id) ? station_id : INVALID_STATION) << 16;
	return AIObject::DoCommand(tile, p1, p2, CMD_BUILD_DOCK);
}

/* static */ bool AIMarine::BuildBuoy(TileIndex tile)
{
	EnforcePrecondition(false, ::IsValidTile(tile));

	return AIObject::DoCommand(tile, 0, 0, CMD_BUILD_BUOY);
}

/* static */ bool AIMarine::BuildLock(TileIndex tile)
{
	EnforcePrecondition(false, ::IsValidTile(tile));

	return AIObject::DoCommand(tile, 0, 0, CMD_BUILD_LOCK);
}

/* static */ bool AIMarine::BuildCanal(TileIndex tile)
{
	EnforcePrecondition(false, ::IsValidTile(tile));

	return AIObject::DoCommand(tile, tile, WATER_CLASS_CANAL, CMD_BUILD_CANAL);
}

/* static */ bool AIMarine::RemoveWaterDepot(TileIndex tile)
{
	EnforcePrecondition(false, ::IsValidTile(tile));
	EnforcePrecondition(false, IsWaterDepotTile(tile));

	return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
}

/* static */ bool AIMarine::RemoveDock(TileIndex tile)
{
	EnforcePrecondition(false, ::IsValidTile(tile));
	EnforcePrecondition(false, IsDockTile(tile));

	return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
}

/* static */ bool AIMarine::RemoveBuoy(TileIndex tile)
{
	EnforcePrecondition(false, ::IsValidTile(tile));
	EnforcePrecondition(false, IsBuoyTile(tile));

	return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
}

/* static */ bool AIMarine::RemoveLock(TileIndex tile)
{
	EnforcePrecondition(false, ::IsValidTile(tile));
	EnforcePrecondition(false, IsLockTile(tile));

	return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
}

/* static */ bool AIMarine::RemoveCanal(TileIndex tile)
{
	EnforcePrecondition(false, ::IsValidTile(tile));
	EnforcePrecondition(false, IsCanalTile(tile));

	return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
}

/* static */ Money AIMarine::GetBuildCost(BuildType build_type)
{
	switch (build_type) {
		case BT_DOCK:  return ::GetPrice(PR_BUILD_STATION_DOCK, 1, NULL);
		case BT_DEPOT: return ::GetPrice(PR_BUILD_DEPOT_SHIP, 1, NULL);
		case BT_BUOY:  return ::GetPrice(PR_BUILD_WAYPOINT_BUOY, 1, NULL);
		default: return -1;
	}
}