src/script/api/script_news.cpp

   1 /* $Id: script_news.cpp 24982 2013-02-08 20:34:27Z rubidium $ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file script_news.cpp Implementation of ScriptNews. */
  11
  12 #include "../../stdafx.h"
  13 #include "script_news.hpp"
  14 #include "script_industry.hpp"
  15 #include "script_station.hpp"
  16 #include "script_map.hpp"
  17 #include "script_town.hpp"
  18 #include "script_error.hpp"
  19 #include "../../command_type.h"
  20 #include "../../string_func.h"
  21
  22 #include "../../safeguards.h"
  23
  24 /* static */ bool ScriptNews::Create(NewsType type, Text *text, ScriptCompany::CompanyID company, NewsReferenceType ref_type, uint32 reference)
  25 {
  26         CCountedPtr<Text> counter(text);
  27
  28         EnforcePrecondition(false, text != NULL);
  29         const char *encoded = text->GetEncodedText();
  30         EnforcePreconditionEncodedText(false, encoded);
  31         EnforcePrecondition(false, type == NT_ECONOMY || type == NT_SUBSIDIES || type == NT_GENERAL);
  32         EnforcePrecondition(false, company == ScriptCompany::COMPANY_INVALID || ScriptCompany::ResolveCompanyID(company) != ScriptCompany::COMPANY_INVALID);
  33         EnforcePrecondition(false, (ref_type == NR_NONE) ||
  34                                    (ref_type == NR_TILE     && ScriptMap::IsValidTile(reference)) ||
  35                                    (ref_type == NR_STATION  && ScriptStation::IsValidStation(reference)) ||
  36                                    (ref_type == NR_INDUSTRY && ScriptIndustry::IsValidIndustry(reference)) ||
  37                                    (ref_type == NR_TOWN     && ScriptTown::IsValidTown(reference)));
  38
  39         uint8 c = company;
  40         if (company == ScriptCompany::COMPANY_INVALID) c = INVALID_COMPANY;
  41
  42         if (ref_type == NR_NONE) reference = 0;
  43         return ScriptObject::DoCommand(0, type | (ref_type << 8) | (c << 16), reference, CMD_CUSTOM_NEWS_ITEM, encoded);
  44 }