mirror of https://github.com/OpenRCT2/OpenRCT2.git
106 lines
2.7 KiB
C
106 lines
2.7 KiB
C
/*****************************************************************************
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* Copyright (c) 2014 Ted John
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* This file is part of OpenRCT2.
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*
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* OpenRCT2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*****************************************************************************/
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#include "../addresses.h"
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#include "localisation.h"
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#include "../ride/ride.h"
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#include "../util/util.h"
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utf8 *gUserStrings = (char*)0x0135A8F4;
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static bool user_string_exists(const char *text);
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/**
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*
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* rct2: 0x006C4209
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*/
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void user_string_clear_all()
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{
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memset(gUserStrings, 0, MAX_USER_STRINGS * USER_STRING_MAX_LENGTH);
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}
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/**
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*
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* rct2: 0x006C421D
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*/
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rct_string_id user_string_allocate(int base, const utf8 *text)
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{
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int highBits = (base & 0x7F) << 9;
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bool allowDuplicates = base & 0x80;
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if (!allowDuplicates && user_string_exists(text)) {
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RCT2_GLOBAL(RCT2_ADDRESS_GAME_COMMAND_ERROR_TEXT, rct_string_id) = STR_CHOSEN_NAME_IN_USE_ALREADY;
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return 0;
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}
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char *userString = gUserStrings;
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for (int i = 0; i < MAX_USER_STRINGS; i++, userString += USER_STRING_MAX_LENGTH) {
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if (userString[0] != 0)
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continue;
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safe_strncpy(userString, text, USER_STRING_MAX_LENGTH - 1);
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return 0x8000 + (i | highBits);
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}
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RCT2_GLOBAL(RCT2_ADDRESS_GAME_COMMAND_ERROR_TEXT, rct_string_id) = STR_TOO_MANY_NAMES_DEFINED;
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return 0;
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}
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/**
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*
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* rct2: 0x006C42AC
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*/
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void user_string_free(rct_string_id id)
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{
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if (!is_user_string_id(id))
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return;
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id %= MAX_USER_STRINGS;
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gUserStrings[id * USER_STRING_MAX_LENGTH] = 0;
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}
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static bool user_string_exists(const utf8 *text)
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{
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char *userString = gUserStrings;
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for (int i = 0; i < MAX_USER_STRINGS; i++, userString += USER_STRING_MAX_LENGTH) {
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if (userString[0] == 0)
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continue;
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if (strcmp(userString, text) == 0)
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return true;
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}
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return false;
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}
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bool is_user_string_id(rct_string_id stringId)
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{
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return stringId >= 0x8000 && stringId < 0x9000;
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}
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void reset_user_strings()
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{
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char *userString = gUserStrings;
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for (int i = 0; i < MAX_USER_STRINGS; i++, userString += USER_STRING_MAX_LENGTH) {
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userString[0] = 0;
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}
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ride_reset_all_names();
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}
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