# misc_sl.cpp

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    00001 /* $Id$ */
    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 "../date_func.h"
    00014 #include "../zoom_func.h"
    00015 #include "../window_gui.h"
    00016 #include "../window_func.h"
    00017 #include "../viewport_func.h"
    00018 #include "../gfx_func.h"
    00019 #include "../core/random_func.hpp"
    00020 #include "../fios.h"
    00021
    00022 #include "saveload.h"
    00023
    00024 extern TileIndex _cur_tileloop_tile;
    00025 extern uint16 _disaster_delay;
    00026 extern byte _trees_tick_ctr;
    00027
    00028 /* Keep track of current game position */
    00029 int _saved_scrollpos_x;
    00030 int _saved_scrollpos_y;
    00031 ZoomLevelByte _saved_scrollpos_zoom;
    00032
    00033 void SaveViewportBeforeSaveGame()
    00034 {
    00035   const Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
    00036
    00037   if (w != NULL) {
    00038     _saved_scrollpos_x = w->viewport->scrollpos_x;
    00039     _saved_scrollpos_y = w->viewport->scrollpos_y;
    00040     _saved_scrollpos_zoom = w->viewport->zoom;
    00041   }
    00042 }
    00043
    00044 void ResetViewportAfterLoadGame()
    00045 {
    00046   Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
    00047
    00048   w->viewport->scrollpos_x = _saved_scrollpos_x;
    00049   w->viewport->scrollpos_y = _saved_scrollpos_y;
    00050   w->viewport->dest_scrollpos_x = _saved_scrollpos_x;
    00051   w->viewport->dest_scrollpos_y = _saved_scrollpos_y;
    00052
    00053   ViewPort *vp = w->viewport;
    00054   vp->zoom = (ZoomLevel)min(_saved_scrollpos_zoom, ZOOM_LVL_MAX);
    00055   vp->virtual_width = ScaleByZoom(vp->width, vp->zoom);
    00056   vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);
    00057
    00058   /* If zoom_max is ZOOM_LVL_MIN then the setting has not been loaded yet, therefore all levels are allowed. */
    00059   if (_settings_client.gui.zoom_max != ZOOM_LVL_MIN) {
    00060     /* Ensure zoom level is allowed */
    00061     while (vp->zoom < _settings_client.gui.zoom_min) DoZoomInOutWindow(ZOOM_OUT, w);
    00062     while (vp->zoom > _settings_client.gui.zoom_max) DoZoomInOutWindow(ZOOM_IN, w);
    00063   }
    00064
    00065   DoZoomInOutWindow(ZOOM_NONE, w); // update button status
    00066   MarkWholeScreenDirty();
    00067 }
    00068
    00069 byte _age_cargo_skip_counter;
    00070
    00071 static const SaveLoadGlobVarList _date_desc[] = {
    00072   SLEG_CONDVAR(_date,                   SLE_FILE_U16 | SLE_VAR_I32,  0,  30),
    00073   SLEG_CONDVAR(_date,                   SLE_INT32,                  31, SL_MAX_VERSION),
    00074       SLEG_VAR(_date_fract,             SLE_UINT16),
    00075       SLEG_VAR(_tick_counter,           SLE_UINT16),
    00076   SLE_CONDNULL(2, 0, 156), // _vehicle_id_ctr_day
    00077   SLEG_CONDVAR(_age_cargo_skip_counter, SLE_UINT8,                   0, 161),
    00078   SLE_CONDNULL(1, 0, 45),
    00079   SLEG_CONDVAR(_cur_tileloop_tile,      SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
    00080   SLEG_CONDVAR(_cur_tileloop_tile,      SLE_UINT32,                  6, SL_MAX_VERSION),
    00081       SLEG_VAR(_disaster_delay,         SLE_UINT16),
    00082   SLE_CONDNULL(2, 0, 119),
    00083       SLEG_VAR(_random.state[0],        SLE_UINT32),
    00084       SLEG_VAR(_random.state[1],        SLE_UINT32),
    00085   SLE_CONDNULL(1,  0,   9),
    00086   SLE_CONDNULL(4, 10, 119),
    00087       SLEG_VAR(_cur_company_tick_index, SLE_FILE_U8  | SLE_VAR_U32),
    00088   SLEG_CONDVAR(_next_competitor_start,  SLE_FILE_U16 | SLE_VAR_U32,  0, 108),
    00089   SLEG_CONDVAR(_next_competitor_start,  SLE_UINT32,                109, SL_MAX_VERSION),
    00090       SLEG_VAR(_trees_tick_ctr,         SLE_UINT8),
    00091   SLEG_CONDVAR(_pause_mode,             SLE_UINT8,                   4, SL_MAX_VERSION),
    00092   SLE_CONDNULL(4, 11, 119),
    00093       SLEG_END()
    00094 };
    00095
    00096 static const SaveLoadGlobVarList _date_check_desc[] = {
    00097   SLEG_CONDVAR(_load_check_data.current_date,  SLE_FILE_U16 | SLE_VAR_I32,  0,  30),
    00098   SLEG_CONDVAR(_load_check_data.current_date,  SLE_INT32,                  31, SL_MAX_VERSION),
    00099       SLE_NULL(2),                       // _date_fract
    00100       SLE_NULL(2),                       // _tick_counter
    00101   SLE_CONDNULL(2, 0, 156),               // _vehicle_id_ctr_day
    00102   SLE_CONDNULL(1, 0, 161),               // _age_cargo_skip_counter
    00103   SLE_CONDNULL(1, 0, 45),
    00104   SLE_CONDNULL(2, 0, 5),                 // _cur_tileloop_tile
    00105   SLE_CONDNULL(4, 6, SL_MAX_VERSION),    // _cur_tileloop_tile
    00106       SLE_NULL(2),                       // _disaster_delay
    00107   SLE_CONDNULL(2, 0, 119),
    00108       SLE_NULL(4),                       // _random.state[0]
    00109       SLE_NULL(4),                       // _random.state[1]
    00110   SLE_CONDNULL(1,  0,   9),
    00111   SLE_CONDNULL(4, 10, 119),
    00112       SLE_NULL(1),                       // _cur_company_tick_index
    00113   SLE_CONDNULL(2, 0, 108),               // _next_competitor_start
    00114   SLE_CONDNULL(4, 109, SL_MAX_VERSION),  // _next_competitor_start
    00115       SLE_NULL(1),                       // _trees_tick_ctr
    00116   SLE_CONDNULL(1, 4, SL_MAX_VERSION),    // _pause_mode
    00117   SLE_CONDNULL(4, 11, 119),
    00118       SLEG_END()
    00119 };
    00120
    00121 /* Save load date related variables as well as persistent tick counters
    00122  * XXX: currently some unrelated stuff is just put here */
    00123 static void SaveLoad_DATE()
    00124 {
    00125   SlGlobList(_date_desc);
    00126 }
    00127
    00128 static void Check_DATE()
    00129 {
    00130   SlGlobList(_date_check_desc);
    00131   if (IsSavegameVersionBefore(31)) {
    00132     _load_check_data.current_date += DAYS_TILL_ORIGINAL_BASE_YEAR;
    00133   }
    00134 }
    00135
    00136
    00137 static const SaveLoadGlobVarList _view_desc[] = {
    00138   SLEG_CONDVAR(_saved_scrollpos_x,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
    00139   SLEG_CONDVAR(_saved_scrollpos_x,    SLE_INT32,                  6, SL_MAX_VERSION),
    00140   SLEG_CONDVAR(_saved_scrollpos_y,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
    00141   SLEG_CONDVAR(_saved_scrollpos_y,    SLE_INT32,                  6, SL_MAX_VERSION),
    00142       SLEG_VAR(_saved_scrollpos_zoom, SLE_UINT8),
    00143       SLEG_END()
    00144 };
    00145
    00146 static void SaveLoad_VIEW()
    00147 {
    00148   SlGlobList(_view_desc);
    00149 }
    00150
    00151 extern const ChunkHandler _misc_chunk_handlers[] = {
    00152   { 'DATE', SaveLoad_DATE, SaveLoad_DATE, NULL, Check_DATE, CH_RIFF},
    00153   { 'VIEW', SaveLoad_VIEW, SaveLoad_VIEW, NULL, NULL,       CH_RIFF | CH_LAST},
    00154 };