this->error_data = NULL;

	this->map_size_x = this->map_size_y = 256; // Default for old savegames which do not store mapsize.

	this->current_date = 0;

	memset(&this->settings, 0, sizeof(this->settings));

	const CompanyPropertiesMap::iterator end = this->companies.End();

	for (CompanyPropertiesMap::iterator it = this->companies.Begin(); it != end; it++) {

		delete it->second;

	}

	companies.Clear();

	GamelogFree(this->gamelog_action, this->gamelog_actions);

	this->gamelog_action = NULL;

	this->gamelog_actions = 0;

	ClearGRFConfigList(&this->grfconfig);

}

/** Load game/scenario with optional content download */

static const NWidgetPart _nested_load_dialog_widgets[] = {

	NWidget(NWID_HORIZONTAL),

		NWidget(WWT_CLOSEBOX, COLOUR_GREY),

		NWidget(WWT_CAPTION, COLOUR_GREY, WID_SL_CAPTION),

	EndContainer(),

	NWidget(WWT_PANEL, COLOUR_GREY, WID_SL_BACKGROUND), SetFill(1, 0), SetResize(1, 0), EndContainer(),

	NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),

		NWidget(NWID_VERTICAL),

			NWidget(NWID_HORIZONTAL),

				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),

					NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_SORT_BYNAME), SetDataTip(STR_SORT_BY_CAPTION_NAME, STR_TOOLTIP_SORT_ORDER), SetFill(1, 0), SetResize(1, 0),

					NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_SORT_BYDATE), SetDataTip(STR_SORT_BY_CAPTION_DATE, STR_TOOLTIP_SORT_ORDER), SetFill(1, 0), SetResize(1, 0),

				EndContainer(),

				NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_SL_HOME_BUTTON), SetMinimalSize(12, 12), SetDataTip(SPR_HOUSE_ICON, STR_SAVELOAD_HOME_BUTTON),

			EndContainer(),

			NWidget(WWT_PANEL, COLOUR_GREY, WID_SL_FILE_BACKGROUND),

				NWidget(NWID_HORIZONTAL),

					NWidget(WWT_INSET, COLOUR_GREY, WID_SL_DRIVES_DIRECTORIES_LIST), SetFill(1, 1), SetPadding(2, 1, 2, 2),

							SetDataTip(0x0, STR_SAVELOAD_LIST_TOOLTIP), SetResize(1, 10), SetScrollbar(WID_SL_SCROLLBAR), EndContainer(),

					NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_SL_SCROLLBAR),

				EndContainer(),

				NWidget(NWID_SELECTION, INVALID_COLOUR, WID_SL_CONTENT_DOWNLOAD_SEL),

					NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_CONTENT_DOWNLOAD), SetResize(1, 0),

							SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),

				EndContainer(),

			EndContainer(),

		EndContainer(),

		NWidget(WWT_PANEL, COLOUR_GREY),

			NWidget(WWT_EMPTY, INVALID_COLOUR, WID_SL_DETAILS), SetResize(1, 1), SetFill(1, 1),

			NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_MISSING_NEWGRFS), SetDataTip(STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON, STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_TOOLTIP), SetFill(1, 0), SetResize(1, 0),

			NWidget(NWID_HORIZONTAL),

				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),

					NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_NEWGRF_INFO), SetDataTip(STR_INTRO_NEWGRF_SETTINGS, STR_NULL), SetFill(1, 0), SetResize(1, 0),

					NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_LOAD_BUTTON), SetDataTip(STR_SAVELOAD_LOAD_BUTTON, STR_SAVELOAD_LOAD_TOOLTIP), SetFill(1, 0), SetResize(1, 0),

				EndContainer(),

				NWidget(WWT_RESIZEBOX, COLOUR_GREY),

			EndContainer(),

		EndContainer(),

	EndContainer(),

};

/** Load heightmap with content download */

static const NWidgetPart _nested_load_heightmap_dialog_widgets[] = {

	NWidget(NWID_HORIZONTAL),

		NWidget(WWT_CLOSEBOX, COLOUR_GREY),

		NWidget(WWT_CAPTION, COLOUR_GREY, WID_SL_CAPTION),

	EndContainer(),

	NWidget(WWT_PANEL, COLOUR_GREY, WID_SL_BACKGROUND), SetFill(1, 0), SetResize(1, 0), EndContainer(),

	NWidget(NWID_VERTICAL),

		NWidget(NWID_HORIZONTAL),

			NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),

				NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_SORT_BYNAME), SetDataTip(STR_SORT_BY_CAPTION_NAME, STR_TOOLTIP_SORT_ORDER), SetFill(1, 0), SetResize(1, 0),

				NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_SORT_BYDATE), SetDataTip(STR_SORT_BY_CAPTION_DATE, STR_TOOLTIP_SORT_ORDER), SetFill(1, 0), SetResize(1, 0),

			EndContainer(),

			NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_SL_HOME_BUTTON), SetMinimalSize(12, 12), SetDataTip(SPR_HOUSE_ICON, STR_SAVELOAD_HOME_BUTTON),

		EndContainer(),

		NWidget(WWT_PANEL, COLOUR_GREY, WID_SL_FILE_BACKGROUND),

			NWidget(NWID_HORIZONTAL),

				NWidget(WWT_INSET, COLOUR_GREY, WID_SL_DRIVES_DIRECTORIES_LIST), SetFill(1, 1), SetPadding(2, 1, 2, 2),

						SetDataTip(0x0, STR_SAVELOAD_LIST_TOOLTIP), SetResize(1, 10), SetScrollbar(WID_SL_SCROLLBAR), EndContainer(),

				NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_SL_SCROLLBAR),

			EndContainer(),

			NWidget(NWID_HORIZONTAL),

				NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_CONTENT_DOWNLOAD), SetResize(1, 0),

						SetDataTip(STR_INTRO_ONLINE_CONTENT, STR_INTRO_TOOLTIP_ONLINE_CONTENT),

				NWidget(WWT_RESIZEBOX, COLOUR_GREY),

			EndContainer(),

		EndContainer(),

	EndContainer(),

};

/** Save game/scenario */

static const NWidgetPart _nested_save_dialog_widgets[] = {

	NWidget(NWID_HORIZONTAL),

		NWidget(WWT_CLOSEBOX, COLOUR_GREY),

		NWidget(WWT_CAPTION, COLOUR_GREY, WID_SL_CAPTION),

	EndContainer(),

	NWidget(WWT_PANEL, COLOUR_GREY, WID_SL_BACKGROUND), SetFill(1, 0), SetResize(1, 0), EndContainer(),

	NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),

		NWidget(NWID_VERTICAL),

			NWidget(NWID_HORIZONTAL),

				NWidget(NWID_HORIZONTAL, NC_EQUALSIZE),

					NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_SORT_BYNAME), SetDataTip(STR_SORT_BY_CAPTION_NAME, STR_TOOLTIP_SORT_ORDER), SetFill(1, 0), SetResize(1, 0),

					NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_SORT_BYDATE), SetDataTip(STR_SORT_BY_CAPTION_DATE, STR_TOOLTIP_SORT_ORDER), SetFill(1, 0), SetResize(1, 0),

				EndContainer(),

				NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_SL_HOME_BUTTON), SetMinimalSize(12, 12), SetDataTip(SPR_HOUSE_ICON, STR_SAVELOAD_HOME_BUTTON),

			EndContainer(),

			NWidget(WWT_PANEL, COLOUR_GREY, WID_SL_FILE_BACKGROUND),

				NWidget(NWID_HORIZONTAL),

					NWidget(WWT_INSET, COLOUR_GREY, WID_SL_DRIVES_DIRECTORIES_LIST), SetPadding(2, 1, 0, 2),

							SetDataTip(0x0, STR_SAVELOAD_LIST_TOOLTIP), SetResize(1, 10), SetScrollbar(WID_SL_SCROLLBAR), EndContainer(),

					NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_SL_SCROLLBAR),

				EndContainer(),

				NWidget(WWT_EDITBOX, COLOUR_GREY, WID_SL_SAVE_OSK_TITLE), SetPadding(3, 2, 2, 2), SetFill(1, 0), SetResize(1, 0),

						SetDataTip(STR_SAVELOAD_OSKTITLE, STR_SAVELOAD_EDITBOX_TOOLTIP),

			EndContainer(),

			NWidget(NWID_HORIZONTAL),

				NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_DELETE_SELECTION), SetDataTip(STR_SAVELOAD_DELETE_BUTTON, STR_SAVELOAD_DELETE_TOOLTIP), SetFill(1, 0), SetResize(1, 0),

				NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_SL_SAVE_GAME),        SetDataTip(STR_SAVELOAD_SAVE_BUTTON, STR_SAVELOAD_SAVE_TOOLTIP),     SetFill(1, 0), SetResize(1, 0),

			EndContainer(),