summaryrefslogtreecommitdiff
path: root/src/script/api/script_company.hpp
blob: 04c3a5abc5d8b856cacf5cddb75274d4be91d50c (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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
/* $Id$ */

/*
 * 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_company.hpp Everything to query a company's financials and statistics or build company related buildings. */

#ifndef SCRIPT_COMPANY_HPP
#define SCRIPT_COMPANY_HPP

#include "script_object.hpp"
#include "script_text.hpp"

/**
 * Class that handles all company related functions.
 * @api ai game
 */
class ScriptCompany : public ScriptObject {
public:
	/** The range of possible quarters to get company information of. */
	enum Quarter {
		CURRENT_QUARTER  = 0,                      ///< The current quarter.
		EARLIEST_QUARTER = ::MAX_HISTORY_QUARTERS, ///< The earliest quarter company information is available for.
	};

	/** Different constants related to CompanyID. */
	enum CompanyID {
		/* Note: these values represent part of the in-game Owner enum */
		COMPANY_FIRST   = ::COMPANY_FIRST,   ///< The first available company.
		COMPANY_LAST    = ::MAX_COMPANIES,   ///< The last available company.

		/* Custom added value, only valid for this API */
		COMPANY_INVALID = -1,                ///< An invalid company.
		COMPANY_SELF    = 254,               ///< Constant that gets resolved to the correct company index for your company.
	};

	/** Possible genders for company presidents. */
	enum Gender {
		GENDER_MALE,         ///< A male person.
		GENDER_FEMALE,       ///< A female person.
		GENDER_INVALID = -1, ///< An invalid gender.
	};

	/**
	 * Resolved the given company index to the correct index for the company. If
	 *  the company index was COMPANY_SELF it will be resolved to the index of
	 *  your company. If the company with the given index does not exist it will
	 *  return COMPANY_INVALID.
	 * @param company The company index to resolve.
	 * @return The resolved company index.
	 */
	static CompanyID ResolveCompanyID(CompanyID company);

	/**
	 * Check if a CompanyID is your CompanyID, to ease up checks.
	 * @param company The company index to check.
	 * @return True if and only if this company is your CompanyID.
	 * @api -game
	 */
	static bool IsMine(CompanyID company);

	/**
	 * Set the name of your company.
	 * @param name The new name of the company (can be either a raw string, or a ScriptText object).
	 * @pre name != NULL && len(name) != 0.
	 * @exception ScriptError::ERR_NAME_IS_NOT_UNIQUE
	 * @return True if the name was changed.
	 */
	static bool SetName(Text *name);

	/**
	 * Get the name of the given company.
	 * @param company The company to get the name for.
	 * @pre ResolveCompanyID(company) != COMPANY_INVALID.
	 * @return The name of the given company.
	 */
	static char *GetName(CompanyID company);

	/**
	 * Set the name of your president.
	 * @param name The new name of the president (can be either a raw string, or a ScriptText object).
	 * @pre name != NULL && len(name) != 0.
	 * @exception ScriptError::ERR_NAME_IS_NOT_UNIQUE
	 * @return True if the name was changed.
	 */
	static bool SetPresidentName(Text *name);

	/**
	 * Get the name of the president of the given company.
	 * @param company The company to get the president's name for.
	 * @pre ResolveCompanyID(company) != COMPANY_INVALID.
	 * @return The name of the president of the given company.
	 */
	static char *GetPresidentName(CompanyID company);

	/**
	 * Set the gender of the president of your company.
	 * @param gender The new gender for your president.
	 * @pre GetPresidentGender(ScriptCompany.COMPANY_SELF) != gender.
	 * @return True if the gender was changed.
	 * @note When successful a random face will be created.
	 * @api -game
	 */
	static bool SetPresidentGender(Gender gender);

	/**
	 * Get the gender of the president of the given company.
	 * @param company The company to get the presidents gender off.
	 * @return The gender of the president.
	 */
	static Gender GetPresidentGender(CompanyID company);

	/**
	 * Sets the amount to loan.
	 * @param loan The amount to loan (multiplier of GetLoanInterval()).
	 * @pre 'loan' must be non-negative.
	 * @pre GetLoanInterval() must be a multiplier of 'loan'.
	 * @pre 'loan' must be below GetMaxLoanAmount().
	 * @pre 'loan' - GetLoanAmount() + GetBankBalance() must be non-negative.
	 * @game @pre Valid ScriptCompanyMode active in scope.
	 * @return True if the loan could be set to your requested amount.
	 */
	static bool SetLoanAmount(int32 loan);

	/**
	 * Sets the minimum amount to loan, i.e. the given amount of loan rounded up.
	 * @param loan The amount to loan (any positive number).
	 * @pre 'loan' must be non-negative.
	 * @pre 'loan' must be below GetMaxLoanAmount().
	 * @game @pre Valid ScriptCompanyMode active in scope.
	 * @return True if we could allocate a minimum of 'loan' loan.
	 */
	static bool SetMinimumLoanAmount(int32 loan);

	/**
	 * Gets the amount your company have loaned.
	 * @return The amount loaned money.
	 * @post GetLoanInterval() is always a multiplier of the return value.
	 */
	static Money GetLoanAmount();

	/**
	 * Gets the maximum amount your company can loan.
	 * @return The maximum amount your company can loan.
	 * @post GetLoanInterval() is always a multiplier of the return value.
	 */
	static Money GetMaxLoanAmount();

	/**
	 * Gets the interval/loan step.
	 * @return The loan step.
	 * @post Return value is always positive.
	 */
	static Money GetLoanInterval();

	/**
	 * Gets the bank balance. In other words, the amount of money the given company can spent.
	 * @param company The company to get the bank balance of.
	 * @pre ResolveCompanyID(company) != COMPANY_INVALID.
	 * @return The actual bank balance.
	 */
	static Money GetBankBalance(CompanyID company);

	/**
	 * Get the income of the company in the given quarter.
	 * @param company The company to get the quarterly income of.
	 * @param quarter The quarter to get the income of.
	 * @pre ResolveCompanyID(company) != COMPANY_INVALID.
	 * @pre quarter <= EARLIEST_QUARTER.
	 * @return The bruto income of the company in the given quarter.
	 */
	static Money GetQuarterlyIncome(CompanyID company, uint32 quarter);

	/**
	 * Get the expenses of the company in the given quarter.
	 * @param company The company to get the quarterly expenses of.
	 * @param quarter The quarter to get the expenses of.
	 * @pre ResolveCompanyID(company) != COMPANY_INVALID.
	 * @pre quarter <= EARLIEST_QUARTER.
	 * @return The expenses of the company in the given quarter.
	 */
	static Money GetQuarterlyExpenses(CompanyID company, uint32 quarter);

	/**
	 * Get the amount of cargo delivered by the given company in the given quarter.
	 * @param company The company to get the amount of delivered cargo of.
	 * @param quarter The quarter to get the amount of delivered cargo of.
	 * @pre ResolveCompanyID(company) != COMPANY_INVALID.
	 * @pre quarter <= EARLIEST_QUARTER.
	 * @return The amount of cargo delivered by the given company in the given quarter.
	 */
	static int32 GetQuarterlyCargoDelivered(CompanyID company, uint32 quarter);

	/**
	 * Get the performance rating of the given company in the given quarter.
	 * @param company The company to get the performance rating of.
	 * @param quarter The quarter to get the performance rating of.
	 * @pre ResolveCompanyID(company) != COMPANY_INVALID.
	 * @pre quarter <= EARLIEST_QUARTER.
	 * @pre quarter != CURRENT_QUARTER.
	 * @note The performance rating is calculated after every quarter, so the value for CURRENT_QUARTER is undefined.
	 * @return The performance rating of the given company in the given quarter.
	 */
	static int32 GetQuarterlyPerformanceRating(CompanyID company, uint32 quarter);

	/**
	 * Get the value of the company in the given quarter.
	 * @param company The company to get the value of.
	 * @param quarter The quarter to get the value of.
	 * @pre ResolveCompanyID(company) != COMPANY_INVALID.
	 * @pre quarter <= EARLIEST_QUARTER.
	 * @return The value of the company in the given quarter.
	 */
	static Money GetQuarterlyCompanyValue(CompanyID company, uint32 quarter);

	/**
	 * Build your company's HQ on the given tile.
	 * @param tile The tile to build your HQ on, this tile is the most nothern tile of your HQ.
	 * @pre ScriptMap::IsValidTile(tile).
	 * @game @pre Valid ScriptCompanyMode active in scope.
	 * @exception ScriptError::ERR_AREA_NOT_CLEAR
	 * @exception ScriptError::ERR_FLAT_LAND_REQUIRED
	 * @return True if the HQ could be build.
	 * @note An HQ can not be removed, only by water or rebuilding; If an HQ is
	 *  build again, the old one is removed.
	 */
	static bool BuildCompanyHQ(TileIndex tile);

	/**
	 * Return the location of a company's HQ.
	 * @param company The company the get the HQ of.
	 * @pre ResolveCompanyID(company) != COMPANY_INVALID.
	 * @return The tile of the company's HQ, this tile is the most nothern tile
	 *  of that HQ, or ScriptMap::TILE_INVALID if there is no HQ yet.
	 */
	static TileIndex GetCompanyHQ(CompanyID company);

	/**
	 * Set whether autorenew is enabled for your company.
	 * @param autorenew The new autorenew status.
	 * @return True if autorenew status has been modified.
	 * @api -game
	 */
	static bool SetAutoRenewStatus(bool autorenew);

	/**
	 * Return whether autorenew is enabled for a company.
	 * @param company The company to get the autorenew status of.
	 * @pre ResolveCompanyID(company) != COMPANY_INVALID.
	 * @return True if autorenew is enabled.
	 */
	static bool GetAutoRenewStatus(CompanyID company);

	/**
	 * Set the number of months before/after max age to autorenew an engine for your company.
	 * @param months The new months between autorenew.
	 * @return True if autorenew months has been modified.
	 * @api -game
	 */
	static bool SetAutoRenewMonths(int16 months);

	/**
	 * Return the number of months before/after max age to autorenew an engine for a company.
	 * @param company The company to get the autorenew months of.
	 * @pre ResolveCompanyID(company) != COMPANY_INVALID.
	 * @return The months before/after max age of engine.
	 */
	static int16 GetAutoRenewMonths(CompanyID company);

	/**
	 * Set the minimum money needed to autorenew an engine for your company.
	 * @param money The new minimum required money for autorenew to work.
	 * @return True if autorenew money has been modified.
	 * @api -game
	 */
	static bool SetAutoRenewMoney(uint32 money);

	/**
	 * Return the minimum money needed to autorenew an engine for a company.
	 * @param company The company to get the autorenew money of.
	 * @pre ResolveCompanyID(company) != COMPANY_INVALID.
	 * @return The minimum required money for autorenew to work.
	 */
	static uint32 GetAutoRenewMoney(CompanyID company);
};

DECLARE_POSTFIX_INCREMENT(ScriptCompany::CompanyID)

#endif /* SCRIPT_COMPANY_HPP */