1 files changed, 105 insertions, 0 deletions
diff --git a/src/saveload/misc_sl.cpp b/src/saveload/misc_sl.cpp
new file mode 100644
index 000000000..4b8e8b2c7
--- /dev/null
+++ b/src/saveload/misc_sl.cpp
@@ -0,0 +1,105 @@
+/* $Id$ */
+
+/** @file misc_sl.cpp Saving and loading of things that didn't fit anywhere else */
+
+#include "../stdafx.h"
+#include "../date_func.h"
+#include "../variables.h"
+#include "../core/random_func.hpp"
+#include "../openttd.h"
+#include "../tile_type.h"
+#include "../zoom_func.h"
+#include "../vehicle_func.h"
+#include "../window_gui.h"
+#include "../window_func.h"
+#include "../viewport_func.h"
+#include "../gfx_func.h"
+
+#include "saveload.h"
+
+extern TileIndex _cur_tileloop_tile;
+
+/* Keep track of current game position */
+int _saved_scrollpos_x;
+int _saved_scrollpos_y;
+
+void SaveViewportBeforeSaveGame()
+{
+	const Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
+
+	if (w != NULL) {
+		_saved_scrollpos_x = w->viewport->scrollpos_x;
+		_saved_scrollpos_y = w->viewport->scrollpos_y;
+		_saved_scrollpos_zoom = w->viewport->zoom;
+	}
+}
+
+void ResetViewportAfterLoadGame()
+{
+	Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
+
+	w->viewport->scrollpos_x = _saved_scrollpos_x;
+	w->viewport->scrollpos_y = _saved_scrollpos_y;
+	w->viewport->dest_scrollpos_x = _saved_scrollpos_x;
+	w->viewport->dest_scrollpos_y = _saved_scrollpos_y;
+
+	ViewPort *vp = w->viewport;
+	vp->zoom = min(_saved_scrollpos_zoom, ZOOM_LVL_MAX);
+	vp->virtual_width = ScaleByZoom(vp->width, vp->zoom);
+	vp->virtual_height = ScaleByZoom(vp->height, vp->zoom);
+
+	DoZoomInOutWindow(ZOOM_NONE, w); // update button status
+	MarkWholeScreenDirty();
+}
+
+
+static const SaveLoadGlobVarList _date_desc[] = {
+	SLEG_CONDVAR(_date,                   SLE_FILE_U16 | SLE_VAR_I32,  0,  30),
+	SLEG_CONDVAR(_date,                   SLE_INT32,                  31, SL_MAX_VERSION),
+	    SLEG_VAR(_date_fract,             SLE_UINT16),
+	    SLEG_VAR(_tick_counter,           SLE_UINT16),
+	    SLEG_VAR(_vehicle_id_ctr_day,     SLE_UINT16),
+	    SLEG_VAR(_age_cargo_skip_counter, SLE_UINT8),
+	SLE_CONDNULL(1, 0, 45),
+	SLEG_CONDVAR(_cur_tileloop_tile,      SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
+	SLEG_CONDVAR(_cur_tileloop_tile,      SLE_UINT32,                  6, SL_MAX_VERSION),
+	    SLEG_VAR(_disaster_delay,         SLE_UINT16),
+	    SLEG_VAR(_station_tick_ctr,       SLE_UINT16),
+	    SLEG_VAR(_random.state[0],        SLE_UINT32),
+	    SLEG_VAR(_random.state[1],        SLE_UINT32),
+	SLEG_CONDVAR(_cur_town_ctr,           SLE_FILE_U8  | SLE_VAR_U32,  0, 9),
+	SLEG_CONDVAR(_cur_town_ctr,           SLE_UINT32,                 10, SL_MAX_VERSION),
+	    SLEG_VAR(_cur_company_tick_index, SLE_FILE_U8  | SLE_VAR_U32),
+	    SLEG_VAR(_next_competitor_start,  SLE_FILE_U16 | SLE_VAR_U32),
+	    SLEG_VAR(_trees_tick_ctr,         SLE_UINT8),
+	SLEG_CONDVAR(_pause_game,             SLE_UINT8,                   4, SL_MAX_VERSION),
+	SLEG_CONDVAR(_cur_town_iter,          SLE_UINT32,                 11, SL_MAX_VERSION),
+	    SLEG_END()
+};
+
+/* Save load date related variables as well as persistent tick counters
+ * XXX: currently some unrelated stuff is just put here */
+static void SaveLoad_DATE()
+{
+	SlGlobList(_date_desc);
+}
+
+
+static const SaveLoadGlobVarList _view_desc[] = {
+	SLEG_CONDVAR(_saved_scrollpos_x,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
+	SLEG_CONDVAR(_saved_scrollpos_x,    SLE_INT32,                  6, SL_MAX_VERSION),
+	SLEG_CONDVAR(_saved_scrollpos_y,    SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
+	SLEG_CONDVAR(_saved_scrollpos_y,    SLE_INT32,                  6, SL_MAX_VERSION),
+	    SLEG_VAR(_saved_scrollpos_zoom, SLE_UINT8),
+	    SLEG_END()
+};
+
+static void SaveLoad_VIEW()
+{
+	SlGlobList(_view_desc);
+}
+
+extern const ChunkHandler _misc_chunk_handlers[] = {
+	{ 'DATE', SaveLoad_DATE, SaveLoad_DATE, CH_RIFF},
+	{ 'VIEW', SaveLoad_VIEW, SaveLoad_VIEW, CH_RIFF | CH_LAST},
+};