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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/* $Id$ */
/*
* 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 script_bridge.cpp Implementation of ScriptBridge. */
#include "../../stdafx.h"
#include "script_bridge.hpp"
#include "script_rail.hpp"
#include "../script_instance.hpp"
#include "../../bridge_map.h"
#include "../../strings_func.h"
#include "../../date_func.h"
#include "../../safeguards.h"
/* static */ bool ScriptBridge::IsValidBridge(BridgeID bridge_id)
{
return bridge_id < MAX_BRIDGES && ::GetBridgeSpec(bridge_id)->avail_year <= _cur_year;
}
/* static */ bool ScriptBridge::IsBridgeTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return false;
return ::IsBridgeTile(tile);
}
/* static */ BridgeID ScriptBridge::GetBridgeID(TileIndex tile)
{
if (!IsBridgeTile(tile)) return (BridgeID)-1;
return (BridgeID)::GetBridgeType(tile);
}
/**
* Helper function to connect a just built bridge to nearby roads.
* @param instance The script instance we have to built the road for.
*/
static void _DoCommandReturnBuildBridge2(class ScriptInstance *instance)
{
if (!ScriptBridge::_BuildBridgeRoad2()) {
ScriptInstance::DoCommandReturn(instance);
return;
}
/* This can never happen, as in test-mode this callback is never executed,
* and in execute-mode, the other callback is called. */
NOT_REACHED();
}
/**
* Helper function to connect a just built bridge to nearby roads.
* @param instance The script instance we have to built the road for.
*/
static void _DoCommandReturnBuildBridge1(class ScriptInstance *instance)
{
if (!ScriptBridge::_BuildBridgeRoad1()) {
ScriptInstance::DoCommandReturn(instance);
return;
}
/* This can never happen, as in test-mode this callback is never executed,
* and in execute-mode, the other callback is called. */
NOT_REACHED();
}
/* static */ bool ScriptBridge::BuildBridge(ScriptVehicle::VehicleType vehicle_type, BridgeID bridge_id, TileIndex start, TileIndex end)
{
EnforcePrecondition(false, start != end);
EnforcePrecondition(false, ::IsValidTile(start) && ::IsValidTile(end));
EnforcePrecondition(false, TileX(start) == TileX(end) || TileY(start) == TileY(end));
EnforcePrecondition(false, vehicle_type == ScriptVehicle::VT_ROAD || vehicle_type == ScriptVehicle::VT_RAIL || vehicle_type == ScriptVehicle::VT_WATER);
EnforcePrecondition(false, vehicle_type != ScriptVehicle::VT_RAIL || ScriptRail::IsRailTypeAvailable(ScriptRail::GetCurrentRailType()));
EnforcePrecondition(false, vehicle_type != ScriptVehicle::VT_ROAD || ScriptRoad::IsRoadTypeAvailable(ScriptRoad::GetCurrentRoadType()));
EnforcePrecondition(false, ScriptObject::GetCompany() != OWNER_DEITY || vehicle_type == ScriptVehicle::VT_ROAD);
uint type = 0;
switch (vehicle_type) {
case ScriptVehicle::VT_ROAD:
type |= (TRANSPORT_ROAD << 15);
type |= (::RoadTypeToRoadTypes((::RoadType)ScriptObject::GetRoadType()) << 8);
break;
case ScriptVehicle::VT_RAIL:
type |= (TRANSPORT_RAIL << 15);
type |= (ScriptRail::GetCurrentRailType() << 8);
break;
case ScriptVehicle::VT_WATER:
type |= (TRANSPORT_WATER << 15);
break;
default: NOT_REACHED();
}
/* For rail and water we do nothing special */
if (vehicle_type == ScriptVehicle::VT_RAIL || vehicle_type == ScriptVehicle::VT_WATER) {
return ScriptObject::DoCommand(end, start, type | bridge_id, CMD_BUILD_BRIDGE);
}
ScriptObject::SetCallbackVariable(0, start);
ScriptObject::SetCallbackVariable(1, end);
return ScriptObject::DoCommand(end, start, type | bridge_id, CMD_BUILD_BRIDGE, NULL, &::_DoCommandReturnBuildBridge1);
}
/* static */ bool ScriptBridge::_BuildBridgeRoad1()
{
/* Build the piece of road on the 'start' side of the bridge */
TileIndex end = ScriptObject::GetCallbackVariable(0);
TileIndex start = ScriptObject::GetCallbackVariable(1);
DiagDirection dir_1 = ::DiagdirBetweenTiles(end, start);
DiagDirection dir_2 = ::ReverseDiagDir(dir_1);
return ScriptObject::DoCommand(start + ::TileOffsByDiagDir(dir_1), ::DiagDirToRoadBits(dir_2) | (ScriptObject::GetRoadType() << 4), 0, CMD_BUILD_ROAD, NULL, &::_DoCommandReturnBuildBridge2);
}
/* static */ bool ScriptBridge::_BuildBridgeRoad2()
{
/* Build the piece of road on the 'end' side of the bridge */
TileIndex end = ScriptObject::GetCallbackVariable(0);
TileIndex start = ScriptObject::GetCallbackVariable(1);
DiagDirection dir_1 = ::DiagdirBetweenTiles(end, start);
DiagDirection dir_2 = ::ReverseDiagDir(dir_1);
return ScriptObject::DoCommand(end + ::TileOffsByDiagDir(dir_2), ::DiagDirToRoadBits(dir_1) | (ScriptObject::GetRoadType() << 4), 0, CMD_BUILD_ROAD);
}
/* static */ bool ScriptBridge::RemoveBridge(TileIndex tile)
{
EnforcePrecondition(false, ScriptObject::GetCompany() != OWNER_DEITY);
EnforcePrecondition(false, IsBridgeTile(tile));
return ScriptObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
}
/* static */ char *ScriptBridge::GetName(BridgeID bridge_id)
{
if (!IsValidBridge(bridge_id)) return NULL;
return GetString(::GetBridgeSpec(bridge_id)->transport_name[0]);
}
/* static */ int32 ScriptBridge::GetMaxSpeed(BridgeID bridge_id)
{
if (!IsValidBridge(bridge_id)) return -1;
return ::GetBridgeSpec(bridge_id)->speed; // km-ish/h
}
/* static */ Money ScriptBridge::GetPrice(BridgeID bridge_id, uint length)
{
if (!IsValidBridge(bridge_id)) return -1;
return ::CalcBridgeLenCostFactor(length) * _price[PR_BUILD_BRIDGE] * ::GetBridgeSpec(bridge_id)->price >> 8;
}
/* static */ int32 ScriptBridge::GetMaxLength(BridgeID bridge_id)
{
if (!IsValidBridge(bridge_id)) return -1;
return min(::GetBridgeSpec(bridge_id)->max_length, _settings_game.construction.max_bridge_length) + 2;
}
/* static */ int32 ScriptBridge::GetMinLength(BridgeID bridge_id)
{
if (!IsValidBridge(bridge_id)) return -1;
return ::GetBridgeSpec(bridge_id)->min_length + 2;
}
/* static */ TileIndex ScriptBridge::GetOtherBridgeEnd(TileIndex tile)
{
if (!::IsValidTile(tile)) return INVALID_TILE;
if (!IsBridgeTile(tile)) return INVALID_TILE;
return ::GetOtherBridgeEnd(tile);
}
|
