misc_sl.cpp

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00001 /* $Id: misc_sl.cpp 18476 2009-12-13 00:13:06Z rubidium $ */
00002 
00005 #include "../stdafx.h"
00006 #include "../date_func.h"
00007 #include "../variables.h"
00008 #include "../core/random_func.hpp"
00009 #include "../openttd.h"
00010 #include "../zoom_func.h"
00011 #include "../vehicle_func.h"
00012 #include "../window_gui.h"
00013 #include "../window_func.h"
00014 #include "../viewport_func.h"
00015 #include "../gfx_func.h"
00016 #include "../company_base.h"
00017 #include "../town.h"
00018 
00019 #include "saveload.h"
00020 
00021 extern TileIndex _cur_tileloop_tile;
00022 
00023 /* Keep track of current game position */
00024 int _saved_scrollpos_x;
00025 int _saved_scrollpos_y;
00026 ZoomLevelByte _saved_scrollpos_zoom;
00027 
00028 void SaveViewportBeforeSaveGame()
00029 {
00030   const Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
00031 
00032   if (w != NULL) {
00033     _saved_scrollpos_x = w->viewport->scrollpos_x;
00034     _saved_scrollpos_y = w->viewport->scrollpos_y;
00035     _saved_scrollpos_zoom = w->viewport->zoom;
00036   }
00037 }
00038 
00039 void ResetViewportAfterLoadGame()
00040 {
00041   Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
00042 
00043   w->viewport->scrollpos_x = _saved_scrollpos_x;
00044   w->viewport->scrollpos_y = _saved_scrollpos_y;
00045   w->viewport->dest_scrollpos_x = _saved_scrollpos_x;
00046   w->viewport->dest_scrollpos_y = _saved_scrollpos_y;
00047 
00048   ViewPort *vp = w->viewport;
00049   vp->zoom = (ZoomLevel)min(_saved_scrollpos_zoom, ZOOM_LVL_MAX);
00050   vp->virtual_width = ScaleByZoom(vp->width, vp->zoom);
00051   vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);
00052 
00053   DoZoomInOutWindow(ZOOM_NONE, w); // update button status
00054   MarkWholeScreenDirty();
00055 }
00056 
00057 
00058 static const SaveLoadGlobVarList _date_desc[] = {
00059   SLEG_CONDVAR(_date,                   SLE_FILE_U16 | SLE_VAR_I32,  0,  30),
00060   SLEG_CONDVAR(_date,                   SLE_INT32,                  31, SL_MAX_VERSION),
00061       SLEG_VAR(_date_fract,             SLE_UINT16),
00062       SLEG_VAR(_tick_counter,           SLE_UINT16),
00063       SLEG_VAR(_vehicle_id_ctr_day,     SLE_UINT16),
00064       SLEG_VAR(_age_cargo_skip_counter, SLE_UINT8),
00065   SLE_CONDNULL(1, 0, 45),
00066   SLEG_CONDVAR(_cur_tileloop_tile,      SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
00067   SLEG_CONDVAR(_cur_tileloop_tile,      SLE_UINT32,                  6, SL_MAX_VERSION),
00068       SLEG_VAR(_disaster_delay,         SLE_UINT16),
00069   SLE_CONDNULL(2, 0, 119),
00070       SLEG_VAR(_random.state[0],        SLE_UINT32),
00071       SLEG_VAR(_random.state[1],        SLE_UINT32),
00072   SLE_CONDNULL(1,  0,   9),
00073   SLE_CONDNULL(4, 10, 119),
00074       SLEG_VAR(_cur_company_tick_index, SLE_FILE_U8  | SLE_VAR_U32),
00075   SLEG_CONDVAR(_next_competitor_start,  SLE_FILE_U16 | SLE_VAR_U32,  0, 108),
00076   SLEG_CONDVAR(_next_competitor_start,  SLE_UINT32,                109, SL_MAX_VERSION),
00077       SLEG_VAR(_trees_tick_ctr,         SLE_UINT8),
00078   SLEG_CONDVAR(_pause_game,             SLE_UINT8,                   4, SL_MAX_VERSION),
00079   SLE_CONDNULL(4, 11, 119),
00080       SLEG_END()
00081 };
00082 
00083 /* Save load date related variables as well as persistent tick counters
00084  * XXX: currently some unrelated stuff is just put here */
00085 static void SaveLoad_DATE()
00086 {
00087   SlGlobList(_date_desc);
00088 }
00089 
00090 
00091 static const SaveLoadGlobVarList _view_desc[] = {
00092   SLEG_CONDVAR(_saved_scrollpos_x,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
00093   SLEG_CONDVAR(_saved_scrollpos_x,    SLE_INT32,                  6, SL_MAX_VERSION),
00094   SLEG_CONDVAR(_saved_scrollpos_y,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
00095   SLEG_CONDVAR(_saved_scrollpos_y,    SLE_INT32,                  6, SL_MAX_VERSION),
00096       SLEG_VAR(_saved_scrollpos_zoom, SLE_UINT8),
00097       SLEG_END()
00098 };
00099 
00100 static void SaveLoad_VIEW()
00101 {
00102   SlGlobList(_view_desc);
00103 }
00104 
00105 extern const ChunkHandler _misc_chunk_handlers[] = {
00106   { 'DATE', SaveLoad_DATE, SaveLoad_DATE, CH_RIFF},
00107   { 'VIEW', SaveLoad_VIEW, SaveLoad_VIEW, CH_RIFF | CH_LAST},
00108 };

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