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/* $Id$ */
/*
* 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 story_sl.cpp Code handling saving and loading of story pages */
#include "../stdafx.h"
#include "../story_base.h"
#include "saveload.h"
#include "../safeguards.h"
/** Called after load to trash broken pages. */
void AfterLoadStoryBook()
{
if (IsSavegameVersionBefore(185)) {
/* Trash all story pages and page elements because
* they were saved with wrong data types.
*/
_story_page_element_pool.CleanPool();
_story_page_pool.CleanPool();
}
}
static const SaveLoad _story_page_elements_desc[] = {
SLE_CONDVAR(StoryPageElement, sort_value, SLE_FILE_U16 | SLE_VAR_U32, 0, 184),
SLE_CONDVAR(StoryPageElement, sort_value, SLE_UINT32, 185, SL_MAX_VERSION),
SLE_VAR(StoryPageElement, page, SLE_UINT16),
SLE_CONDVAR(StoryPageElement, type, SLE_FILE_U16 | SLE_VAR_U8, 0, 184),
SLE_CONDVAR(StoryPageElement, type, SLE_UINT8, 185, SL_MAX_VERSION),
SLE_VAR(StoryPageElement, referenced_id, SLE_UINT32),
SLE_STR(StoryPageElement, text, SLE_STR | SLF_ALLOW_CONTROL, 0),
SLE_END()
};
static void Save_STORY_PAGE_ELEMENT()
{
StoryPageElement *s;
FOR_ALL_STORY_PAGE_ELEMENTS(s) {
SlSetArrayIndex(s->index);
SlObject(s, _story_page_elements_desc);
}
}
static void Load_STORY_PAGE_ELEMENT()
{
int index;
uint32 max_sort_value = 0;
while ((index = SlIterateArray()) != -1) {
StoryPageElement *s = new (index) StoryPageElement();
SlObject(s, _story_page_elements_desc);
if (s->sort_value > max_sort_value) {
max_sort_value = s->sort_value;
}
}
/* Update the next sort value, so that the next
* created page is shown after all existing pages.
*/
_story_page_element_next_sort_value = max_sort_value + 1;
}
static const SaveLoad _story_pages_desc[] = {
SLE_CONDVAR(StoryPage, sort_value, SLE_FILE_U16 | SLE_VAR_U32, 0, 184),
SLE_CONDVAR(StoryPage, sort_value, SLE_UINT32, 185, SL_MAX_VERSION),
SLE_VAR(StoryPage, date, SLE_UINT32),
SLE_CONDVAR(StoryPage, company, SLE_FILE_U16 | SLE_VAR_U8, 0, 184),
SLE_CONDVAR(StoryPage, company, SLE_UINT8, 185, SL_MAX_VERSION),
SLE_STR(StoryPage, title, SLE_STR | SLF_ALLOW_CONTROL, 0),
SLE_END()
};
static void Save_STORY_PAGE()
{
StoryPage *s;
FOR_ALL_STORY_PAGES(s) {
SlSetArrayIndex(s->index);
SlObject(s, _story_pages_desc);
}
}
static void Load_STORY_PAGE()
{
int index;
uint32 max_sort_value = 0;
while ((index = SlIterateArray()) != -1) {
StoryPage *s = new (index) StoryPage();
SlObject(s, _story_pages_desc);
if (s->sort_value > max_sort_value) {
max_sort_value = s->sort_value;
}
}
/* Update the next sort value, so that the next
* created page is shown after all existing pages.
*/
_story_page_next_sort_value = max_sort_value + 1;
}
extern const ChunkHandler _story_page_chunk_handlers[] = {
{ 'STPE', Save_STORY_PAGE_ELEMENT, Load_STORY_PAGE_ELEMENT, NULL, NULL, CH_ARRAY},
{ 'STPA', Save_STORY_PAGE, Load_STORY_PAGE, NULL, NULL, CH_ARRAY | CH_LAST},
};
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