// '' <summary>
// '' Draws the menu at the indicated level.
// '' </summary>
// '' <param name="menu">the menu to draw</param>
// '' <param name="level">the level (height) of the menu</param>
// '' <param name="xOffset">the offset of the menu</param>
// '' <remarks>
// '' The menu text comes from the _menuStructure field. The level indicates the height
// '' of the menu, to enable sub menus. The xOffset repositions the menu horizontally
// '' to allow the submenus to be positioned correctly.
// '' </remarks>
private static void DrawButtons(int menu, int level, int xOffset)
{
int btnTop;
Rectangle toDraw;
btnTop = (MENU_TOP
- ((MENU_GAP + BUTTON_HEIGHT)
* level));
int i;
for (i = 0; i <= _menuStructure(menu).Length - 1; i++)
{
int btnLeft;
btnLeft = (MENU_LEFT
+ (BUTTON_SEP
* (i + xOffset)));
toDraw.X = (btnLeft + TEXT_OFFSET);
toDraw.Y = (btnTop + TEXT_OFFSET);
toDraw.Width = BUTTON_WIDTH;
toDraw.Height = BUTTON_HEIGHT;
SwinGame.DrawTextLines(_menuStructure(menu)(i), MENU_COLOR, Color.Black, GameFont("Menu"), FontAlignment.AlignCenter, toDraw);
if ((SwinGame.MouseDown(MouseButton.LeftButton) && MenuController.IsMouseOverMenu(i, level, xOffset)))
{
SwinGame.DrawRectangle(HIGHLIGHT_COLOR, btnLeft, btnTop, BUTTON_WIDTH, BUTTON_HEIGHT);
}
}
}
// '' <summary>
// '' Handles input for the specified menu.
// '' </summary>
// '' <param name="menu">the identifier of the menu being processed</param>
// '' <param name="level">the vertical level of the menu</param>
// '' <param name="xOffset">the xoffset of the menu</param>
// '' <returns>false if a clicked missed the buttons. This can be used to check prior menus.</returns>
private static bool HandleMenuInput(int menu, int level, int xOffset)
{
if (SwinGame.KeyTyped(KeyCode.EscapeKey))
{
EndCurrentState();
return(true);
}
if (SwinGame.MouseClicked(MouseButton.LeftButton))
{
int i;
for (i = 0; i <= _menuStructure(menu).Length - 1; i++)
{
// IsMouseOver the i'th button of the menu
if (MenuController.IsMouseOverMenu(i, level, xOffset))
{
MenuController.PerformMenuAction(menu, i);
return(true);
}
}
if ((level > 0))
{
// none clicked - so end this sub menu
EndCurrentState();
}
}
return(false);
}
// '' <summary>
// '' Determined if the mouse is over one of the button in the main menu.
// '' </summary>
// '' <param name="button">the index of the button to check</param>
// '' <returns>true if the mouse is over that button</returns>
private static bool IsMouseOverButton(int button)
{
return(MenuController.IsMouseOverMenu(button, 0, 0));
}
