Examples with INativeWidget gregtech.api.gui.INativeWidget used on opensource projects

Example 1 with INativeWidget

use of gregtech.api.gui.INativeWidget in project GregTech by GregTechCE.

the class ModularUIContainer method notifyWidgetChange.

// WARNING! WIDGET CHANGES SHOULD BE *STRICTLY* SYNCHRONIZED BETWEEN SERVER AND CLIENT,
// OTHERWISE ID MISMATCH CAN HAPPEN BETWEEN ASSIGNED SLOTS!
@Override
public void notifyWidgetChange() {
    List<INativeWidget> nativeWidgets = modularUI.guiWidgets.values().stream().flatMap(widget -> widget.getNativeWidgets().stream()).collect(Collectors.toList());
    Set<INativeWidget> removedWidgets = new HashSet<>(slotMap.values());
    removedWidgets.removeAll(nativeWidgets);
    if (!removedWidgets.isEmpty()) {
        for (INativeWidget removedWidget : removedWidgets) {
            Slot slotHandle = removedWidget.getHandle();
            this.slotMap.remove(slotHandle);
            // replace removed slot with empty placeholder to avoid list index shift
            EmptySlotPlaceholder emptySlotPlaceholder = new EmptySlotPlaceholder();
            emptySlotPlaceholder.slotNumber = slotHandle.slotNumber;
            this.inventorySlots.set(slotHandle.slotNumber, emptySlotPlaceholder);
            this.inventoryItemStacks.set(slotHandle.slotNumber, ItemStack.EMPTY);
        }
    }
    Set<INativeWidget> addedWidgets = new HashSet<>(nativeWidgets);
    addedWidgets.removeAll(slotMap.values());
    if (!addedWidgets.isEmpty()) {
        int[] emptySlotIndexes = inventorySlots.stream().filter(it -> it instanceof EmptySlotPlaceholder).mapToInt(slot -> slot.slotNumber).toArray();
        int currentIndex = 0;
        for (INativeWidget addedWidget : addedWidgets) {
            Slot slotHandle = addedWidget.getHandle();
            // add or replace empty slot in inventory
            this.slotMap.put(slotHandle, addedWidget);
            if (currentIndex < emptySlotIndexes.length) {
                int slotIndex = emptySlotIndexes[currentIndex++];
                slotHandle.slotNumber = slotIndex;
                this.inventorySlots.set(slotIndex, slotHandle);
                this.inventoryItemStacks.set(slotIndex, ItemStack.EMPTY);
            } else {
                slotHandle.slotNumber = this.inventorySlots.size();
                this.inventorySlots.add(slotHandle);
                this.inventoryItemStacks.add(ItemStack.EMPTY);
            }
        }
    }
}