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/*
* 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 story_base.h %StoryPage base class. */
#ifndef STORY_BASE_H
#define STORY_BASE_H
#include "company_type.h"
#include "story_type.h"
#include "date_type.h"
#include "core/pool_type.hpp"
typedef Pool<StoryPageElement, StoryPageElementID, 64, 64000> StoryPageElementPool;
typedef Pool<StoryPage, StoryPageID, 64, 64000> StoryPagePool;
extern StoryPageElementPool _story_page_element_pool;
extern StoryPagePool _story_page_pool;
extern uint32 _story_page_element_next_sort_value;
extern uint32 _story_page_next_sort_value;
/*
* Each story page element is one of these types.
*/
enum StoryPageElementType : byte {
SPET_TEXT = 0, ///< A text element.
SPET_LOCATION, ///< An element that references a tile along with a one-line text.
SPET_GOAL, ///< An element that references a goal.
SPET_END,
INVALID_SPET = 0xFF,
};
/** Define basic enum properties */
template <> struct EnumPropsT<StoryPageElementType> : MakeEnumPropsT<StoryPageElementType, byte, SPET_TEXT, SPET_END, INVALID_SPET, 8> {};
/**
* Struct about story page elements.
* Each StoryPage is composed of one or more page elements that provide
* page content. Each element only contain one type of content.
**/
struct StoryPageElement : StoryPageElementPool::PoolItem<&_story_page_element_pool> {
uint32 sort_value; ///< A number that increases for every created story page element. Used for sorting. The id of a story page element is the pool index.
StoryPageID page; ///< Id of the page which the page element belongs to
StoryPageElementType type; ///< Type of page element
uint32 referenced_id; ///< Id of referenced object (location, goal etc.)
char *text; ///< Static content text of page element
/**
* We need an (empty) constructor so struct isn't zeroed (as C++ standard states)
*/
inline StoryPageElement() { }
/**
* (Empty) destructor has to be defined else operator delete might be called with nullptr parameter
*/
inline ~StoryPageElement() { free(this->text); }
};
#define FOR_ALL_STORY_PAGE_ELEMENTS_FROM(var, start) FOR_ALL_ITEMS_FROM(StoryPageElement, story_page_element_index, var, start)
#define FOR_ALL_STORY_PAGE_ELEMENTS(var) FOR_ALL_STORY_PAGE_ELEMENTS_FROM(var, 0)
/** Struct about stories, current and completed */
struct StoryPage : StoryPagePool::PoolItem<&_story_page_pool> {
uint32 sort_value; ///< A number that increases for every created story page. Used for sorting. The id of a story page is the pool index.
Date date; ///< Date when the page was created.
CompanyID company; ///< StoryPage is for a specific company; INVALID_COMPANY if it is global
char *title; ///< Title of story page
/**
* We need an (empty) constructor so struct isn't zeroed (as C++ standard states)
*/
inline StoryPage() { }
/**
* (Empty) destructor has to be defined else operator delete might be called with nullptr parameter
*/
inline ~StoryPage()
{
if (!this->CleaningPool()) {
StoryPageElement *spe;
FOR_ALL_STORY_PAGE_ELEMENTS(spe) {
if (spe->page == this->index) delete spe;
}
}
free(this->title);
}
};
#define FOR_ALL_STORY_PAGES_FROM(var, start) FOR_ALL_ITEMS_FROM(StoryPage, story_page_index, var, start)
#define FOR_ALL_STORY_PAGES(var) FOR_ALL_STORY_PAGES_FROM(var, 0)
#endif /* STORY_BASE_H */
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