4jcraft/Minecraft.Client/Platform/Common/UI/IUIScene_InventoryMenu.cpp

#include "../../Minecraft.World/Platform/stdafx.h"

#include "IUIScene_InventoryMenu.h"
#include "../../Minecraft.World/Headers/net.minecraft.world.inventory.h"

IUIScene_AbstractContainerMenu::ESceneSection
IUIScene_InventoryMenu::GetSectionAndSlotInDirection(ESceneSection eSection,
                                                     ETapState eTapDirection,
                                                     int* piTargetX,
                                                     int* piTargetY) {
    ESceneSection newSection = eSection;

    // Find the new section if there is one
    switch (eSection) {
        case eSectionInventoryArmor:
            if (eTapDirection == eTapStateDown) {
                newSection = eSectionInventoryInventory;
            } else if (eTapDirection == eTapStateUp) {
                newSection = eSectionInventoryUsing;
            }
            break;
        case eSectionInventoryInventory:
            if (eTapDirection == eTapStateDown) {
                newSection = eSectionInventoryUsing;
            } else if (eTapDirection == eTapStateUp) {
                newSection = eSectionInventoryArmor;
            }
            break;
        case eSectionInventoryUsing:
            if (eTapDirection == eTapStateDown) {
                newSection = eSectionInventoryArmor;
            } else if (eTapDirection == eTapStateUp) {
                newSection = eSectionInventoryInventory;
            }
            break;
        default:
            assert(false);
            break;
    }

    updateSlotPosition(eSection, newSection, eTapDirection, piTargetX,
                       piTargetY, 0);

    return newSection;
}

int IUIScene_InventoryMenu::getSectionStartOffset(ESceneSection eSection) {
    int offset = 0;
    switch (eSection) {
        case eSectionInventoryArmor:
            offset = InventoryMenu::ARMOR_SLOT_START;
            break;
        case eSectionInventoryInventory:
            offset = InventoryMenu::INV_SLOT_START;
            break;
        case eSectionInventoryUsing:
            offset = InventoryMenu::INV_SLOT_START + 27;
            break;
        default:
            assert(false);
            break;
    }
    return offset;
}