mirror of https://github.com/OpenTTD/OpenTTD.git
177 lines
6.4 KiB
C++
177 lines
6.4 KiB
C++
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file league_cmd.cpp Handling of league tables. */
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#include "stdafx.h"
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#include "league_cmd.h"
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#include "league_base.h"
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#include "command_type.h"
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#include "command_func.h"
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#include "industry.h"
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#include "story_base.h"
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#include "town.h"
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#include "window_func.h"
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#include "core/pool_func.hpp"
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#include "safeguards.h"
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LeagueTableElementPool _league_table_element_pool("LeagueTableElement");
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INSTANTIATE_POOL_METHODS(LeagueTableElement)
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LeagueTablePool _league_table_pool("LeagueTable");
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INSTANTIATE_POOL_METHODS(LeagueTable)
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/**
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* Checks whether a link is valid, i.e. has a valid target.
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* @param link the link to check
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* @return true iff the link is valid
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*/
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bool IsValidLink(Link link)
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{
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switch (link.type) {
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case LT_NONE: return (link.target == 0);
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case LT_TILE: return IsValidTile(link.target);
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case LT_INDUSTRY: return Industry::IsValidID(link.target);
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case LT_TOWN: return Town::IsValidID(link.target);
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case LT_COMPANY: return Company::IsValidID(link.target);
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case LT_STORY_PAGE: return StoryPage::IsValidID(link.target);
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default: return false;
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}
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return false;
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}
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/**
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* Create a new league table.
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* @param flags type of operation
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* @param title Title of the league table
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* @param header Text to show above the table
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* @param footer Text to show below the table
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* @return the cost of this operation or an error
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*/
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std::tuple<CommandCost, LeagueTableID> CmdCreateLeagueTable(DoCommandFlag flags, const std::string &title, const std::string &header, const std::string &footer)
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{
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if (_current_company != OWNER_DEITY) return { CMD_ERROR, INVALID_LEAGUE_TABLE };
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if (!LeagueTable::CanAllocateItem()) return { CMD_ERROR, INVALID_LEAGUE_TABLE };
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if (title.empty()) return { CMD_ERROR, INVALID_LEAGUE_TABLE };
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if (flags & DC_EXEC) {
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LeagueTable *lt = new LeagueTable();
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lt->title = title;
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lt->header = header;
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lt->footer = footer;
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return { CommandCost(), lt->index };
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}
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return { CommandCost(), INVALID_LEAGUE_TABLE };
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}
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/**
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* Create a new element in a league table.
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* @param flags type of operation
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* @param table Id of the league table this element belongs to
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* @param rating Value that elements are ordered by
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* @param company Company to show the color blob for or INVALID_COMPANY
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* @param text Text of the element
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* @param score String representation of the score associated with the element
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* @param link_type Type of the referenced object
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* @param link_target Id of the referenced object
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* @return the cost of this operation or an error
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*/
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std::tuple<CommandCost, LeagueTableElementID> CmdCreateLeagueTableElement(DoCommandFlag flags, LeagueTableID table, int64_t rating, CompanyID company, const std::string &text, const std::string &score, LinkType link_type, LinkTargetID link_target)
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{
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if (_current_company != OWNER_DEITY) return { CMD_ERROR, INVALID_LEAGUE_TABLE_ELEMENT };
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if (!LeagueTableElement::CanAllocateItem()) return { CMD_ERROR, INVALID_LEAGUE_TABLE_ELEMENT };
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Link link{link_type, link_target};
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if (!IsValidLink(link)) return { CMD_ERROR, INVALID_LEAGUE_TABLE_ELEMENT };
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if (company != INVALID_COMPANY && !Company::IsValidID(company)) return { CMD_ERROR, INVALID_LEAGUE_TABLE_ELEMENT };
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if (flags & DC_EXEC) {
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LeagueTableElement *lte = new LeagueTableElement();
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lte->table = table;
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lte->rating = rating;
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lte->company = company;
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lte->text = text;
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lte->score = score;
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lte->link = link;
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InvalidateWindowData(WC_COMPANY_LEAGUE, table);
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return { CommandCost(), lte->index };
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}
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return { CommandCost(), INVALID_LEAGUE_TABLE_ELEMENT };
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}
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/**
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* Update the attributes of a league table element.
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* @param flags type of operation
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* @param element Id of the element to update
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* @param company Company to show the color blob for or INVALID_COMPANY
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* @param text Text of the element
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* @param link_type Type of the referenced object
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* @param link_target Id of the referenced object
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* @return the cost of this operation or an error
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*/
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CommandCost CmdUpdateLeagueTableElementData(DoCommandFlag flags, LeagueTableElementID element, CompanyID company, const std::string &text, LinkType link_type, LinkTargetID link_target)
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{
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if (_current_company != OWNER_DEITY) return CMD_ERROR;
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auto lte = LeagueTableElement::GetIfValid(element);
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if (lte == nullptr) return CMD_ERROR;
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if (company != INVALID_COMPANY && !Company::IsValidID(company)) return CMD_ERROR;
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Link link{link_type, link_target};
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if (!IsValidLink(link)) return CMD_ERROR;
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if (flags & DC_EXEC) {
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lte->company = company;
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lte->text = text;
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lte->link = link;
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InvalidateWindowData(WC_COMPANY_LEAGUE, lte->table);
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}
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return CommandCost();
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}
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/**
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* Update the score of a league table element.
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* @param flags type of operation
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* @param element Id of the element to update
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* @param rating Value that elements are ordered by
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* @param score String representation of the score associated with the element
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* @return the cost of this operation or an error
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*/
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CommandCost CmdUpdateLeagueTableElementScore(DoCommandFlag flags, LeagueTableElementID element, int64_t rating, const std::string &score)
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{
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if (_current_company != OWNER_DEITY) return CMD_ERROR;
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auto lte = LeagueTableElement::GetIfValid(element);
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if (lte == nullptr) return CMD_ERROR;
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if (flags & DC_EXEC) {
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lte->rating = rating;
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lte->score = score;
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InvalidateWindowData(WC_COMPANY_LEAGUE, lte->table);
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}
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return CommandCost();
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}
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/**
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* Remove a league table element.
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* @param flags type of operation
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* @param element Id of the element to update
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* @return the cost of this operation or an error
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*/
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CommandCost CmdRemoveLeagueTableElement(DoCommandFlag flags, LeagueTableElementID element)
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{
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if (_current_company != OWNER_DEITY) return CMD_ERROR;
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auto lte = LeagueTableElement::GetIfValid(element);
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if (lte == nullptr) return CMD_ERROR;
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if (flags & DC_EXEC) {
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auto table = lte->table;
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delete lte;
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InvalidateWindowData(WC_COMPANY_LEAGUE, table);
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}
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return CommandCost();
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}
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