Method DrawMapIndicators

src/smallmap_gui.cpp:876–895

* Adds map indicators to the smallmap. */

	 * Adds map indicators to the smallmap.
	 */
	void DrawMapIndicators() const
	{
		/* Find main viewport. */
		const Viewport &vp = *GetMainWindow()->viewport;

		Point upper_left_smallmap_coord  = InverseRemapCoords2(vp.virtual_left, vp.virtual_top);
		Point lower_right_smallmap_coord = InverseRemapCoords2(vp.virtual_left + vp.virtual_width - 1, vp.virtual_top + vp.virtual_height - 1);

		Point upper_left = this->RemapTile(upper_left_smallmap_coord.x / (int)TILE_SIZE, upper_left_smallmap_coord.y / (int)TILE_SIZE);
		upper_left.x -= this->subscroll;

		Point lower_right = this->RemapTile(lower_right_smallmap_coord.x / (int)TILE_SIZE, lower_right_smallmap_coord.y / (int)TILE_SIZE);
		lower_right.x -= this->subscroll;

		SmallMapWindow::DrawVertMapIndicator(upper_left.x, upper_left.y, lower_right.y);
		SmallMapWindow::DrawVertMapIndicator(lower_right.x, upper_left.y, lower_right.y);

		SmallMapWindow::DrawHorizMapIndicator(upper_left.x, lower_right.x, upper_left.y);
		SmallMapWindow::DrawHorizMapIndicator(upper_left.x, lower_right.x, lower_right.y);
	}

	/**
	 * Draws one column of tiles of the small map in a certain mode onto the screen buffer, skipping the shifted rows in between.