misc_sl.cpp

Go to the documentation of this file.
00001 /* $Id: misc_sl.cpp 15299 2009-01-31 20:16:06Z smatz $ */
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 
00017 #include "saveload.h"
00018 
00019 extern TileIndex _cur_tileloop_tile;
00020 
00021 /* Keep track of current game position */
00022 int _saved_scrollpos_x;
00023 int _saved_scrollpos_y;
00024 
00025 void SaveViewportBeforeSaveGame()
00026 {
00027   const Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
00028 
00029   if (w != NULL) {
00030     _saved_scrollpos_x = w->viewport->scrollpos_x;
00031     _saved_scrollpos_y = w->viewport->scrollpos_y;
00032     _saved_scrollpos_zoom = w->viewport->zoom;
00033   }
00034 }
00035 
00036 void ResetViewportAfterLoadGame()
00037 {
00038   Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
00039 
00040   w->viewport->scrollpos_x = _saved_scrollpos_x;
00041   w->viewport->scrollpos_y = _saved_scrollpos_y;
00042   w->viewport->dest_scrollpos_x = _saved_scrollpos_x;
00043   w->viewport->dest_scrollpos_y = _saved_scrollpos_y;
00044 
00045   ViewPort *vp = w->viewport;
00046   vp->zoom = min(_saved_scrollpos_zoom, ZOOM_LVL_MAX);
00047   vp->virtual_width = ScaleByZoom(vp->width, vp->zoom);
00048   vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);
00049 
00050   DoZoomInOutWindow(ZOOM_NONE, w); // update button status
00051   MarkWholeScreenDirty();
00052 }
00053 
00054 
00055 static const SaveLoadGlobVarList _date_desc[] = {
00056   SLEG_CONDVAR(_date,                   SLE_FILE_U16 | SLE_VAR_I32,  0,  30),
00057   SLEG_CONDVAR(_date,                   SLE_INT32,                  31, SL_MAX_VERSION),
00058       SLEG_VAR(_date_fract,             SLE_UINT16),
00059       SLEG_VAR(_tick_counter,           SLE_UINT16),
00060       SLEG_VAR(_vehicle_id_ctr_day,     SLE_UINT16),
00061       SLEG_VAR(_age_cargo_skip_counter, SLE_UINT8),
00062   SLE_CONDNULL(1, 0, 45),
00063   SLEG_CONDVAR(_cur_tileloop_tile,      SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
00064   SLEG_CONDVAR(_cur_tileloop_tile,      SLE_UINT32,                  6, SL_MAX_VERSION),
00065       SLEG_VAR(_disaster_delay,         SLE_UINT16),
00066       SLEG_VAR(_station_tick_ctr,       SLE_UINT16),
00067       SLEG_VAR(_random.state[0],        SLE_UINT32),
00068       SLEG_VAR(_random.state[1],        SLE_UINT32),
00069   SLEG_CONDVAR(_cur_town_ctr,           SLE_FILE_U8  | SLE_VAR_U32,  0, 9),
00070   SLEG_CONDVAR(_cur_town_ctr,           SLE_UINT32,                 10, SL_MAX_VERSION),
00071       SLEG_VAR(_cur_company_tick_index, SLE_FILE_U8  | SLE_VAR_U32),
00072   SLEG_CONDVAR(_next_competitor_start,  SLE_FILE_U16 | SLE_VAR_U32,  0, 108),
00073   SLEG_CONDVAR(_next_competitor_start,  SLE_UINT32,                109, SL_MAX_VERSION),
00074       SLEG_VAR(_trees_tick_ctr,         SLE_UINT8),
00075   SLEG_CONDVAR(_pause_game,             SLE_UINT8,                   4, SL_MAX_VERSION),
00076   SLEG_CONDVAR(_cur_town_iter,          SLE_UINT32,                 11, SL_MAX_VERSION),
00077       SLEG_END()
00078 };
00079 
00080 /* Save load date related variables as well as persistent tick counters
00081  * XXX: currently some unrelated stuff is just put here */
00082 static void SaveLoad_DATE()
00083 {
00084   SlGlobList(_date_desc);
00085 }
00086 
00087 
00088 static const SaveLoadGlobVarList _view_desc[] = {
00089   SLEG_CONDVAR(_saved_scrollpos_x,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
00090   SLEG_CONDVAR(_saved_scrollpos_x,    SLE_INT32,                  6, SL_MAX_VERSION),
00091   SLEG_CONDVAR(_saved_scrollpos_y,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
00092   SLEG_CONDVAR(_saved_scrollpos_y,    SLE_INT32,                  6, SL_MAX_VERSION),
00093       SLEG_VAR(_saved_scrollpos_zoom, SLE_UINT8),
00094       SLEG_END()
00095 };
00096 
00097 static void SaveLoad_VIEW()
00098 {
00099   SlGlobList(_view_desc);
00100 }
00101 
00102 extern const ChunkHandler _misc_chunk_handlers[] = {
00103   { 'DATE', SaveLoad_DATE, SaveLoad_DATE, CH_RIFF},
00104   { 'VIEW', SaveLoad_VIEW, SaveLoad_VIEW, CH_RIFF | CH_LAST},
00105 };

Generated on Mon Feb 16 23:12:10 2009 for openttd by  doxygen 1.5.6