item script basic example

@Initialize{
	SetDefaultBonusItemEnable(false);
	let dir = GetCurrentScriptDirectory();
	LoadItemData(dir ~ "item.dnh");	 // where item data is defined
}

@Event{
	alternative(GetEventType())
	case(EV_GET_ITEM){
		let type = GetEventArgument(0);	// Item type ID
		let item = GetEventArgument(1);	// Item object ID
		alternative(type)
		case(ITEM_POWER){
			// handle
		}
		case(ITEM_POINT){
			// handle
		}
		case(ITEM_1UP){
			// handle
		}
	}
	case(EV_DELETE_SHOT_TO_ITEM){
		let shot = GetEventArgument(0);	// Deleted shot object ID
		let pos = GetEventArgument(1);	// Position of deleted shot as array [x, y]
		ItemCreate_Bonus(pos[0], pos[1]);
	}
	case(EV_USER+72){  // User event: something happens
		let pos = GetEventArgument(0);	// User events only have one argument, array is used for multiple args
		if(length(pos) == 2){
			ItemCreate_Hyper(pos[0], pos[1]);
		}
	}
}

task ItemCreate_Bonus(x, y){
	let item = CreateItemU1(ITEM_BONUS_SM, x, y, 10);
	Obj_SetRenderPriorityI(item, 28);	// Draw below bullets
	ObjItem_SetDefinedMovePatternA1(item, ITEM_MOVE_TOPLAYER);
}