story_sl.cpp

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00001 /* $Id: story_sl.cpp 25620 2013-07-21 13:18:45Z zuu $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #include "../stdafx.h"
00013 #include "../story_base.h"
00014 
00015 #include "saveload.h"
00016 
00018 void AfterLoadStoryBook()
00019 {
00020   if (IsSavegameVersionBefore(185)) {
00021     /* Trash all story pages and page elements because
00022      * they were saved with wrong data types.
00023      */
00024     _story_page_element_pool.CleanPool();
00025     _story_page_pool.CleanPool();
00026   }
00027 }
00028 
00029 static const SaveLoad _story_page_elements_desc[] = {
00030   SLE_CONDVAR(StoryPageElement, sort_value,    SLE_FILE_U16 | SLE_VAR_U32, 0,   184),
00031   SLE_CONDVAR(StoryPageElement, sort_value,    SLE_UINT32,                 185, SL_MAX_VERSION),
00032       SLE_VAR(StoryPageElement, page,          SLE_UINT16),
00033   SLE_CONDVAR(StoryPageElement, type,          SLE_FILE_U16 | SLE_VAR_U8,  0,   184),
00034   SLE_CONDVAR(StoryPageElement, type,          SLE_UINT8,                  185, SL_MAX_VERSION),
00035       SLE_VAR(StoryPageElement, referenced_id, SLE_UINT32),
00036       SLE_STR(StoryPageElement, text,          SLE_STR | SLF_ALLOW_CONTROL, 0),
00037       SLE_END()
00038 };
00039 
00040 static void Save_STORY_PAGE_ELEMENT()
00041 {
00042   StoryPageElement *s;
00043   FOR_ALL_STORY_PAGE_ELEMENTS(s) {
00044     SlSetArrayIndex(s->index);
00045     SlObject(s, _story_page_elements_desc);
00046   }
00047 }
00048 
00049 static void Load_STORY_PAGE_ELEMENT()
00050 {
00051   int index;
00052   uint32 max_sort_value = 0;
00053   while ((index = SlIterateArray()) != -1) {
00054     StoryPageElement *s = new (index) StoryPageElement();
00055     SlObject(s, _story_page_elements_desc);
00056     if (s->sort_value > max_sort_value) {
00057       max_sort_value = s->sort_value;
00058     }
00059   }
00060   /* Update the next sort value, so that the next
00061    * created page is shown after all existing pages.
00062    */
00063   _story_page_element_next_sort_value = max_sort_value + 1;
00064 }
00065 
00066 static const SaveLoad _story_pages_desc[] = {
00067   SLE_CONDVAR(StoryPage, sort_value, SLE_FILE_U16 | SLE_VAR_U32, 0,   184),
00068   SLE_CONDVAR(StoryPage, sort_value, SLE_UINT32,                 185, SL_MAX_VERSION),
00069       SLE_VAR(StoryPage, date,       SLE_UINT32),
00070   SLE_CONDVAR(StoryPage, company,    SLE_FILE_U16 | SLE_VAR_U8,  0,   184),
00071   SLE_CONDVAR(StoryPage, company,    SLE_UINT8,                  185, SL_MAX_VERSION),
00072       SLE_STR(StoryPage, title,      SLE_STR | SLF_ALLOW_CONTROL, 0),
00073       SLE_END()
00074 };
00075 
00076 static void Save_STORY_PAGE()
00077 {
00078   StoryPage *s;
00079   FOR_ALL_STORY_PAGES(s) {
00080     SlSetArrayIndex(s->index);
00081     SlObject(s, _story_pages_desc);
00082   }
00083 }
00084 
00085 static void Load_STORY_PAGE()
00086 {
00087   int index;
00088   uint32 max_sort_value = 0;
00089   while ((index = SlIterateArray()) != -1) {
00090     StoryPage *s = new (index) StoryPage();
00091     SlObject(s, _story_pages_desc);
00092     if (s->sort_value > max_sort_value) {
00093       max_sort_value = s->sort_value;
00094     }
00095   }
00096   /* Update the next sort value, so that the next
00097    * created page is shown after all existing pages.
00098    */
00099   _story_page_next_sort_value = max_sort_value + 1;
00100 }
00101 
00102 extern const ChunkHandler _story_page_chunk_handlers[] = {
00103   { 'STPE', Save_STORY_PAGE_ELEMENT, Load_STORY_PAGE_ELEMENT, NULL, NULL, CH_ARRAY},
00104   { 'STPA', Save_STORY_PAGE, Load_STORY_PAGE, NULL, NULL, CH_ARRAY | CH_LAST},
00105 };