1 /*
2  * Copyright (C) 2007-2020 by the Widelands Development Team
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
17  *
18  */
19 
20 #ifndef WL_LOGIC_WIDELANDS_H
21 #define WL_LOGIC_WIDELANDS_H
22 
23 #include <cstdint>
24 #include <limits>
25 #include <vector>
26 
27 namespace Widelands {
28 
29 //  Type definitions for the game logic.
30 using MilitaryInfluence = uint16_t;
31 
32 /// 5 bits used, so 0 .. 31
33 /// Data type must match kMaxPlayers in graphics/playercolor.h
34 using PlayerNumber = uint8_t;
neutral()35 inline PlayerNumber neutral() {
36 	return 0;
37 }
38 #define iterate_player_numbers(p, nr_players)                                                      \
39 	for (Widelands::PlayerNumber p = 1; p < nr_players + 1; ++p)
40 
41 /**
42  * Every player has a team number. Team number 0 is special,
43  * indicating that the player is not part of any team.
44  *
45  * Players having the same positive team number are allied.
46  */
47 using TeamNumber = uint8_t;
48 
49 /** This is used as index for wares, workers, terrain and other Descriptions.
50  *
51  * So we can have at most 254 types of these,
52  * as some are predefined as invalid by the declarations below.
53  *
54  * A DescriptionMaintainer can be used to lookup the actual item.
55  * See TerrainDescription, WareDescr, WorkerDescr
56  * EditorCategory, BuildingDescr, ImmovableDescr, ShipDescr, TribeDescr
57  * and others.
58  */
59 using DescriptionIndex = uint16_t;
60 
61 constexpr DescriptionIndex INVALID_INDEX = std::numeric_limits<uint16_t>::max();
62 constexpr DescriptionIndex kInvalidWare = INVALID_INDEX - 1;
63 constexpr DescriptionIndex kNoResource = INVALID_INDEX - 1;
64 
65 using ResourceAmount = uint8_t;  /// 4 bits used, so 0 .. 15.
66 
67 using Quantity = uint32_t;  // e.g. the number of a type of ware in a warehouse.
68 
69 using Vision = uint16_t;
70 
71 using Time = int32_t;  // TODO(unknown): should be unsigned
never()72 inline Time never() {
73 	return 0xffffffff;
74 }
75 
76 using Duration = uint32_t;
endless()77 inline Duration endless() {
78 	return 0xffffffff;
79 }
80 
81 using Serial = uint32_t;  /// Serial number for MapObject.
82 constexpr Serial kInvalidSerial = std::numeric_limits<uint32_t>::max();
83 
84 using Direction = uint8_t;
85 
86 struct SoldierStrength {
87 	uint8_t health, attack, defense, evade;
88 	bool operator==(const SoldierStrength& other) const {
89 		return health == other.health && attack == other.attack && defense == other.defense &&
90 		       evade == other.evade;
91 	}
92 	bool operator<(const SoldierStrength& other) const {
93 		return health < other.health ||
94 		       (health == other.health &&
95 		        (attack < other.attack ||
96 		         (attack == other.attack &&
97 		          (defense < other.defense || (defense == other.defense && evade < other.evade)))));
98 	}
99 };
100 
101 // For suggested teams info during map preload
102 using SuggestedTeam = std::vector<PlayerNumber>;  // Players in a team
103 // Recommended teams to play against each other
104 using SuggestedTeamLineup = std::vector<SuggestedTeam>;
105 
106 }  // namespace Widelands
107 
108 #endif  // end of include guard: WL_LOGIC_WIDELANDS_H
109