# misc_sl.cpp

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    00001 /* $Id: misc_sl.cpp 18809 2010-01-15 16:41:15Z rubidium $ */
    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 "../variables.h"
    00015 #include "../openttd.h"
    00016 #include "../zoom_func.h"
    00017 #include "../vehicle_func.h"
    00018 #include "../window_gui.h"
    00019 #include "../window_func.h"
    00020 #include "../viewport_func.h"
    00021 #include "../gfx_func.h"
    00022 #include "../company_base.h"
    00023 #include "../core/random_func.hpp"
    00024
    00025 #include "saveload.h"
    00026
    00027 extern TileIndex _cur_tileloop_tile;
    00028
    00029 /* Keep track of current game position */
    00030 int _saved_scrollpos_x;
    00031 int _saved_scrollpos_y;
    00032 ZoomLevelByte _saved_scrollpos_zoom;
    00033
    00034 void SaveViewportBeforeSaveGame()
    00035 {
    00036   const Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
    00037
    00038   if (w != NULL) {
    00039     _saved_scrollpos_x = w->viewport->scrollpos_x;
    00040     _saved_scrollpos_y = w->viewport->scrollpos_y;
    00041     _saved_scrollpos_zoom = w->viewport->zoom;
    00042   }
    00043 }
    00044
    00045 void ResetViewportAfterLoadGame()
    00046 {
    00047   Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
    00048
    00049   w->viewport->scrollpos_x = _saved_scrollpos_x;
    00050   w->viewport->scrollpos_y = _saved_scrollpos_y;
    00051   w->viewport->dest_scrollpos_x = _saved_scrollpos_x;
    00052   w->viewport->dest_scrollpos_y = _saved_scrollpos_y;
    00053
    00054   ViewPort *vp = w->viewport;
    00055   vp->zoom = (ZoomLevel)min(_saved_scrollpos_zoom, ZOOM_LVL_MAX);
    00056   vp->virtual_width = ScaleByZoom(vp->width, vp->zoom);
    00057   vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);
    00058
    00059   DoZoomInOutWindow(ZOOM_NONE, w); // update button status
    00060   MarkWholeScreenDirty();
    00061 }
    00062
    00063
    00064 static const SaveLoadGlobVarList _date_desc[] = {
    00065   SLEG_CONDVAR(_date,                   SLE_FILE_U16 | SLE_VAR_I32,  0,  30),
    00066   SLEG_CONDVAR(_date,                   SLE_INT32,                  31, SL_MAX_VERSION),
    00067       SLEG_VAR(_date_fract,             SLE_UINT16),
    00068       SLEG_VAR(_tick_counter,           SLE_UINT16),
    00069       SLEG_VAR(_vehicle_id_ctr_day,     SLE_UINT16),
    00070       SLEG_VAR(_age_cargo_skip_counter, SLE_UINT8),
    00071   SLE_CONDNULL(1, 0, 45),
    00072   SLEG_CONDVAR(_cur_tileloop_tile,      SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
    00073   SLEG_CONDVAR(_cur_tileloop_tile,      SLE_UINT32,                  6, SL_MAX_VERSION),
    00074       SLEG_VAR(_disaster_delay,         SLE_UINT16),
    00075   SLE_CONDNULL(2, 0, 119),
    00076       SLEG_VAR(_random.state[0],        SLE_UINT32),
    00077       SLEG_VAR(_random.state[1],        SLE_UINT32),
    00078   SLE_CONDNULL(1,  0,   9),
    00079   SLE_CONDNULL(4, 10, 119),
    00080       SLEG_VAR(_cur_company_tick_index, SLE_FILE_U8  | SLE_VAR_U32),
    00081   SLEG_CONDVAR(_next_competitor_start,  SLE_FILE_U16 | SLE_VAR_U32,  0, 108),
    00082   SLEG_CONDVAR(_next_competitor_start,  SLE_UINT32,                109, SL_MAX_VERSION),
    00083       SLEG_VAR(_trees_tick_ctr,         SLE_UINT8),
    00084   SLEG_CONDVAR(_pause_mode,             SLE_UINT8,                   4, SL_MAX_VERSION),
    00085   SLE_CONDNULL(4, 11, 119),
    00086       SLEG_END()
    00087 };
    00088
    00089 /* Save load date related variables as well as persistent tick counters
    00090  * XXX: currently some unrelated stuff is just put here */
    00091 static void SaveLoad_DATE()
    00092 {
    00093   SlGlobList(_date_desc);
    00094 }
    00095
    00096
    00097 static const SaveLoadGlobVarList _view_desc[] = {
    00098   SLEG_CONDVAR(_saved_scrollpos_x,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
    00099   SLEG_CONDVAR(_saved_scrollpos_x,    SLE_INT32,                  6, SL_MAX_VERSION),
    00100   SLEG_CONDVAR(_saved_scrollpos_y,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
    00101   SLEG_CONDVAR(_saved_scrollpos_y,    SLE_INT32,                  6, SL_MAX_VERSION),
    00102       SLEG_VAR(_saved_scrollpos_zoom, SLE_UINT8),
    00103       SLEG_END()
    00104 };
    00105
    00106 static void SaveLoad_VIEW()
    00107 {
    00108   SlGlobList(_view_desc);
    00109 }
    00110
    00111 extern const ChunkHandler _misc_chunk_handlers[] = {
    00112   { 'DATE', SaveLoad_DATE, SaveLoad_DATE, NULL, CH_RIFF},
    00113   { 'VIEW', SaveLoad_VIEW, SaveLoad_VIEW, NULL, CH_RIFF | CH_LAST},
    00114 };