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Content menu: implemented some new properties

Maikel de Vries 2011-11-24 20:23:02 +01:00
parent 169c00ea9c
commit 2f57363cf6
1 changed files with 81 additions and 16 deletions
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97
planet/Objects.ocd/HUD.ocd/Menu.ocd/Script.c
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@ -42,6 +42,8 @@ global func CreateMenu2(object commander, int x, int y) // TODO: This needs to b
return menu;
}
public func IsDragDropMenu() { return true; }
// Sets the commander of this menu.
public func SetCommander(object commander)
{
@ -74,16 +76,65 @@ func SetMenuIcon(id symbol)
}
}*/
//adds an item, icon, amount, extra (the item can be an object too)
public func AddItem(new_item, int amount, extra)
/** Adds an item to this menu.
@param symbol used to specify the symbol of the menu item, either an id or object.
@param pos position in the menu where the item should be placed, \c nil for first open slot.
@param amount the amount displayed next to the symbol.
@return a pointer to the menu item created, or \c nil if failed.
*/
public func AddItem(symbol, int pos, int amount)
{
var item_cnt = GetLength(menu_items);
// Find position if not specified.
if (pos == nil)
{
pos = item_cnt;
for (var i = 0; i < item_cnt; i++)
if (!menu_items[i])
{
pos = i;
break;
}
}
// Check if pos is already taken.
else if (menu_items[pos])
return;
// Create new menu item.
var item = CreateObject(GUI_MenuItem);
var index = GetLength(menu_items);
item->SetSymbol(new_item);
item->SetSymbol(symbol);
item->SetAmount(amount);
menu_items[index] = item;
item.Visibility = VIS_None;
return index;
if (menu_shown)
item.Visibility = VIS_Owner;
UpdateMenu();
return item;
}
/** Gives the menu item at the specified position.
@param the position in the menu.
@return the menu item at the specified position.
*/
public func GetItem(int index)
{
return menu_items[index];
}
/** Removes a menu item the menu.
@item the position in the menu.
@return the menu item at the specified position.
*/
public func RemoveItem(object item)
{
for (var mitem in menu_items)
{
if (mitem = item)
mitem->RemoveObject();
}
UpdateMenu();
return;
}
// Determines the item position for the nth circle for a certain number of circles.
@ -122,7 +173,7 @@ private func GetItemPosition(int n, int total)
return [x, y];
}
else
{
{ // TODO: Fix current bad approximation.
var x = Cos(30 * (n-7) + 15, 4 * MENU_Radius / 5);
var y = -Sin(30 * (n-7) + 15, 4 * MENU_Radius / 5);
return [x, y];
@ -148,7 +199,19 @@ private func GetItemRadius(int total)
// Shows the menu.
public func ShowMenu()
{
// Safety
UpdateMenu();
// Change visibility.
for (var item in menu_items)
if (item)
item.Visibility = VIS_Owner;
this.Visibility = VIS_Owner;
menu_shown = true;
return;
}
public func UpdateMenu()
{
// Safety: check for items.
var item_count = GetLength(menu_items);
if (!item_count)
return;
@ -164,21 +227,17 @@ public func ShowMenu()
{
item->SetPosition(x + pos[0], y + pos[1]);
item->SetSize(2000*GetItemRadius(item_count));
item.Visibility = VIS_Owner;
}
}
this.Visibility = VIS_Owner;
menu_shown = true;
return;
}
public func HideMenu()
{
for (var i = 0; i < GetLength(menu_items); i++)
if (menu_items[i])
menu_items[i].Visibility = VIS_None;
// Change visibility.
for (var item in menu_items)
if (item)
item.Visibility = VIS_None;
this.Visibility = VIS_None;
CustomMessage("", this, menu_object->GetOwner());
menu_shown = false;
@ -188,14 +247,20 @@ public func HideMenu()
// removes the menu
public func Close()
{
for (var i = 0; i<GetLength(menu_items); i++)
return RemoveObject();
}
// Engine callback: if the menu is destroyed, the items must follow.
protected func Destruction()
{
for (var i = 0; i < GetLength(menu_items); i++)
if (menu_items[i])
menu_items[i]->RemoveObject();
if (menu_commander)
menu_commander->~MenuClosed(this);
RemoveObject();
return;
}
/* Callbacks from the menu items */