src/saveload/misc_sl.cpp

   1 /* $Id: misc_sl.cpp 23740 2012-01-03 21:32:51Z 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 misc_sl.cpp Saving and loading of things that didn't fit anywhere else */
  11
  12 #include "../stdafx.h"
  13 #include "../date_func.h"
  14 #include "../zoom_func.h"
  15 #include "../window_gui.h"
  16 #include "../window_func.h"
  17 #include "../viewport_func.h"
  18 #include "../gfx_func.h"
  19 #include "../core/random_func.hpp"
  20 #include "../fios.h"
  21
  22 #include "saveload.h"
  23
  24 #include "../safeguards.h"
  25
  26 extern TileIndex _cur_tileloop_tile;
  27 extern uint16 _disaster_delay;
  28 extern byte _trees_tick_ctr;
  29
  30 /* Keep track of current game position */
  31 int _saved_scrollpos_x;
  32 int _saved_scrollpos_y;
  33 ZoomLevelByte _saved_scrollpos_zoom;
  34
  35 void SaveViewportBeforeSaveGame()
  36 {
  37         const Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
  38
  39         if (w != nullptr) {
  40                 _saved_scrollpos_x = w->viewport->scrollpos_x;
  41                 _saved_scrollpos_y = w->viewport->scrollpos_y;
  42                 _saved_scrollpos_zoom = w->viewport->zoom;
  43         }
  44 }
  45
  46 void ResetViewportAfterLoadGame()
  47 {
  48         Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
  49
  50         w->viewport->scrollpos_x = _saved_scrollpos_x;
  51         w->viewport->scrollpos_y = _saved_scrollpos_y;
  52         w->viewport->dest_scrollpos_x = _saved_scrollpos_x;
  53         w->viewport->dest_scrollpos_y = _saved_scrollpos_y;
  54
  55         ViewPort *vp = w->viewport;
  56         vp->zoom = (ZoomLevel)min(_saved_scrollpos_zoom, ZOOM_LVL_MAX);
  57         vp->virtual_width = ScaleByZoom(vp->width, vp->zoom);
  58         vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);
  59
  60         /* If zoom_max is ZOOM_LVL_MIN then the setting has not been loaded yet, therefore all levels are allowed. */
  61         if (_settings_client.gui.zoom_max != ZOOM_LVL_MIN) {
  62                 /* Ensure zoom level is allowed */
  63                 while (vp->zoom < _settings_client.gui.zoom_min) DoZoomInOutWindow(ZOOM_OUT, w);
  64                 while (vp->zoom > _settings_client.gui.zoom_max) DoZoomInOutWindow(ZOOM_IN, w);
  65         }
  66
  67         DoZoomInOutWindow(ZOOM_NONE, w); // update button status
  68         MarkWholeScreenDirty();
  69 }
  70
  71 byte _age_cargo_skip_counter; ///< Skip aging of cargo? Used before savegame version 162.
  72
  73 static const SaveLoadGlobVarList _date_desc[] = {
  74         SLEG_CONDVAR(_date,                   SLE_FILE_U16 | SLE_VAR_I32,  0,  30),
  75         SLEG_CONDVAR(_date,                   SLE_INT32,                  31, SL_MAX_VERSION),
  76             SLEG_VAR(_date_fract,             SLE_UINT16),
  77             SLEG_VAR(_tick_counter,           SLE_UINT16),
  78         SLE_CONDNULL(2, 0, 156), // _vehicle_id_ctr_day
  79         SLEG_CONDVAR(_age_cargo_skip_counter, SLE_UINT8,                   0, 161),
  80         SLE_CONDNULL(1, 0, 45),
  81         SLEG_CONDVAR(_cur_tileloop_tile,      SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
  82         SLEG_CONDVAR(_cur_tileloop_tile,      SLE_UINT32,                  6, SL_MAX_VERSION),
  83             SLEG_VAR(_disaster_delay,         SLE_UINT16),
  84         SLE_CONDNULL(2, 0, 119),
  85             SLEG_VAR(_random.state[0],        SLE_UINT32),
  86             SLEG_VAR(_random.state[1],        SLE_UINT32),
  87         SLE_CONDNULL(1,  0,   9),
  88         SLE_CONDNULL(4, 10, 119),
  89             SLEG_VAR(_cur_company_tick_index, SLE_FILE_U8  | SLE_VAR_U32),
  90         SLEG_CONDVAR(_next_competitor_start,  SLE_FILE_U16 | SLE_VAR_U32,  0, 108),
  91         SLEG_CONDVAR(_next_competitor_start,  SLE_UINT32,                109, SL_MAX_VERSION),
  92             SLEG_VAR(_trees_tick_ctr,         SLE_UINT8),
  93         SLEG_CONDVAR(_pause_mode,             SLE_UINT8,                   4, SL_MAX_VERSION),
  94         SLE_CONDNULL(4, 11, 119),
  95             SLEG_END()
  96 };
  97
  98 static const SaveLoadGlobVarList _date_check_desc[] = {
  99         SLEG_CONDVAR(_load_check_data.current_date,  SLE_FILE_U16 | SLE_VAR_I32,  0,  30),
 100         SLEG_CONDVAR(_load_check_data.current_date,  SLE_INT32,                  31, SL_MAX_VERSION),
 101             SLE_NULL(2),                       // _date_fract
 102             SLE_NULL(2),                       // _tick_counter
 103         SLE_CONDNULL(2, 0, 156),               // _vehicle_id_ctr_day
 104         SLE_CONDNULL(1, 0, 161),               // _age_cargo_skip_counter
 105         SLE_CONDNULL(1, 0, 45),
 106         SLE_CONDNULL(2, 0, 5),                 // _cur_tileloop_tile
 107         SLE_CONDNULL(4, 6, SL_MAX_VERSION),    // _cur_tileloop_tile
 108             SLE_NULL(2),                       // _disaster_delay
 109         SLE_CONDNULL(2, 0, 119),
 110             SLE_NULL(4),                       // _random.state[0]
 111             SLE_NULL(4),                       // _random.state[1]
 112         SLE_CONDNULL(1,  0,   9),
 113         SLE_CONDNULL(4, 10, 119),
 114             SLE_NULL(1),                       // _cur_company_tick_index
 115         SLE_CONDNULL(2, 0, 108),               // _next_competitor_start
 116         SLE_CONDNULL(4, 109, SL_MAX_VERSION),  // _next_competitor_start
 117             SLE_NULL(1),                       // _trees_tick_ctr
 118         SLE_CONDNULL(1, 4, SL_MAX_VERSION),    // _pause_mode
 119         SLE_CONDNULL(4, 11, 119),
 120             SLEG_END()
 121 };
 122
 123 /* Save load date related variables as well as persistent tick counters
 124  * XXX: currently some unrelated stuff is just put here */
 125 static void SaveLoad_DATE()
 126 {
 127         SlGlobList(_date_desc);
 128 }
 129
 130 static void Check_DATE()
 131 {
 132         SlGlobList(_date_check_desc);
 133         if (IsSavegameVersionBefore(31)) {
 134                 _load_check_data.current_date += DAYS_TILL_ORIGINAL_BASE_YEAR;
 135         }
 136 }
 137
 138
 139 static const SaveLoadGlobVarList _view_desc[] = {
 140         SLEG_CONDVAR(_saved_scrollpos_x,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
 141         SLEG_CONDVAR(_saved_scrollpos_x,    SLE_INT32,                  6, SL_MAX_VERSION),
 142         SLEG_CONDVAR(_saved_scrollpos_y,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
 143         SLEG_CONDVAR(_saved_scrollpos_y,    SLE_INT32,                  6, SL_MAX_VERSION),
 144             SLEG_VAR(_saved_scrollpos_zoom, SLE_UINT8),
 145             SLEG_END()
 146 };
 147
 148 static void SaveLoad_VIEW()
 149 {
 150         SlGlobList(_view_desc);
 151 }
 152
 153 extern const ChunkHandler _misc_chunk_handlers[] = {
 154         { 'DATE', SaveLoad_DATE, SaveLoad_DATE, nullptr, Check_DATE, CH_RIFF},
 155         { 'VIEW', SaveLoad_VIEW, SaveLoad_VIEW, nullptr, nullptr,       CH_RIFF | CH_LAST},
 156 };