summaryrefslogtreecommitdiff
path: root/src/script/script_config.hpp
blob: 9ae6fba705738f5da0324947d94ab5953ecfbb08 (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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
/* $Id$ */

/*
 * 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_config.hpp ScriptConfig stores the configuration settings of every Script. */

#ifndef SCRIPT_CONFIG_HPP
#define SCRIPT_CONFIG_HPP

#include <map>
#include <list>
#include "../core/smallmap_type.hpp"
#include "../core/string_compare_type.hpp"
#include "../company_type.h"
#include "../textfile_gui.h"

/** Bitmask of flags for Script settings. */
enum ScriptConfigFlags {
	SCRIPTCONFIG_NONE      = 0x0, ///< No flags set.
	SCRIPTCONFIG_RANDOM    = 0x1, ///< When randomizing the Script, pick any value between min_value and max_value when on custom difficulty setting.
	SCRIPTCONFIG_BOOLEAN   = 0x2, ///< This value is a boolean (either 0 (false) or 1 (true) ).
	SCRIPTCONFIG_INGAME    = 0x4, ///< This setting can be changed while the Script is running.
	SCRIPTCONFIG_DEVELOPER = 0x8, ///< This setting will only be visible when the Script development tools are active.
};

typedef SmallMap<int, char *> LabelMapping; ///< Map-type used to map the setting numbers to labels.

/** Info about a single Script setting. */
struct ScriptConfigItem {
	const char *name;        ///< The name of the configuration setting.
	const char *description; ///< The description of the configuration setting.
	int min_value;           ///< The minimal value this configuration setting can have.
	int max_value;           ///< The maximal value this configuration setting can have.
	int custom_value;        ///< The default value on custom difficulty setting.
	int easy_value;          ///< The default value on easy difficulty setting.
	int medium_value;        ///< The default value on medium difficulty setting.
	int hard_value;          ///< The default value on hard difficulty setting.
	int random_deviation;    ///< The maximum random deviation from the default value.
	int step_size;           ///< The step size in the gui.
	ScriptConfigFlags flags; ///< Flags for the configuration setting.
	LabelMapping *labels;    ///< Text labels for the integer values.
};

typedef std::list<ScriptConfigItem> ScriptConfigItemList; ///< List of ScriptConfig items.

extern ScriptConfigItem _start_date_config;

/**
 * Script settings.
 */
class ScriptConfig {
protected:
	/** List with name=>value pairs of all script-specific settings */
	typedef std::map<const char *, int, StringCompare> SettingValueList;

public:
	ScriptConfig() :
		name(NULL),
		version(-1),
		info(NULL),
		config_list(NULL),
		is_random(false)
	{}

	/**
	 * Create a new Script config that is a copy of an existing config.
	 * @param config The object to copy.
	 */
	ScriptConfig(const ScriptConfig *config);

	/** Delete an Script configuration. */
	virtual ~ScriptConfig();

	/**
	 * Set another Script to be loaded in this slot.
	 * @param name The name of the Script.
	 * @param version The version of the Script to load, or -1 of latest.
	 * @param force_exact_match If true try to find the exact same version
	 *   as specified. If false any compatible version is ok.
	 * @param is_random Is the Script chosen randomly?
	 */
	void Change(const char *name, int version = -1, bool force_exact_match = false, bool is_random = false);

	/**
	 * Get the ScriptInfo linked to this ScriptConfig.
	 */
	class ScriptInfo *GetInfo() const;

	/**
	 * Get the config list for this ScriptConfig.
	 */
	const ScriptConfigItemList *GetConfigList();

	/**
	 * Where to get the config from, either default (depends on current game
	 * mode) or force either newgame or normal
	 */
	enum ScriptSettingSource {
		SSS_DEFAULT,       ///< Get the Script config from the current game mode
		SSS_FORCE_NEWGAME, ///< Get the newgame Script config
		SSS_FORCE_GAME,    ///< Get the Script config from the current game
	};

	/**
	 * Get the value of a setting for this config. It might fallback to his
	 *  'info' to find the default value (if not set or if not-custom difficulty
	 *  level).
	 * @return The (default) value of the setting, or -1 if the setting was not
	 *  found.
	 */
	virtual int GetSetting(const char *name) const;

	/**
	 * Set the value of a setting for this config.
	 */
	virtual void SetSetting(const char *name, int value);

	/**
	 * Reset all settings to their default value.
	 */
	void ResetSettings();

	/**
	 * Randomize all settings the Script requested to be randomized.
	 */
	void AddRandomDeviation();

	/**
	 * Is this config attached to an Script? In other words, is there a Script
	 *  that is assigned to this slot.
	 */
	bool HasScript() const;

	/**
	 * Is the current Script a randomly chosen Script?
	 */
	bool IsRandom() const;

	/**
	 * Get the name of the Script.
	 */
	const char *GetName() const;

	/**
	 * Get the version of the Script.
	 */
	int GetVersion() const;

	/**
	 * Convert a string which is stored in the config file or savegames to
	 *  custom settings of this Script.
	 */
	void StringToSettings(const char *value);

	/**
	 * Convert the custom settings to a string that can be stored in the config
	 *  file or savegames.
	 */
	void SettingsToString(char *string, size_t size) const;

	/**
	 * Search a textfile file next to this script.
	 * @param type The type of the textfile to search for.
	 * @param slot #CompanyID to check status of.
	 * @return The filename for the textfile, \c NULL otherwise.
	 */
	const char *GetTextfile(TextfileType type, CompanyID slot) const;

protected:
	const char *name;                  ///< Name of the Script
	int version;                       ///< Version of the Script
	class ScriptInfo *info;            ///< ScriptInfo object for related to this Script version
	SettingValueList settings;         ///< List with all setting=>value pairs that are configure for this Script
	ScriptConfigItemList *config_list; ///< List with all settings defined by this Script
	bool is_random;                    ///< True if the AI in this slot was randomly chosen.

	/**
	 * In case you have mandatory non-Script-definable config entries in your
	 *  list, add them to this function.
	 */
	virtual void PushExtraConfigList() {};

	/**
	 * Routine that clears the config list.
	 */
	virtual void ClearConfigList();

	/**
	 * This function should call back to the Scanner in charge of this Config,
	 *  to find the ScriptInfo belonging to a name+version.
	 */
	virtual ScriptInfo *FindInfo(const char *name, int version, bool force_exact_match) = 0;
};

#endif /* SCRIPT_CONFIG_HPP */