package codechicken.nei;
import codechicken.lib.vec.Rectangle4i;
import codechicken.nei.api.GuiInfo;
import codechicken.nei.api.INEIGuiHandler;
import codechicken.nei.guihook.GuiContainerManager;
import codechicken.nei.recipe.GuiCraftingRecipe;
import codechicken.nei.recipe.GuiRecipe;
import codechicken.nei.recipe.GuiUsageRecipe;
import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;
import java.util.ArrayList;
import static codechicken.lib.gui.GuiDraw.drawRect;
public class ItemPanel extends Widget
{
/**
* Should not be externally modified, use updateItemList
*/
public static ArrayList<ItemStack> items = new ArrayList<ItemStack>();
/**
* Swapped into visible items on update
*/
private static ArrayList<ItemStack> _items = items;
public static void updateItemList(ArrayList<ItemStack> newItems) {
_items = newItems;
}
public class ItemPanelSlot
{
public ItemStack item;
public int slotIndex;
public ItemPanelSlot(int index) {
item = items.get(index);
slotIndex = index;
}
}
public ItemStack draggedStack;
public int mouseDownSlot = -1;
private int marginLeft;
private int marginTop;
private int rows;
private int columns;
private boolean[] validSlotMap;
private int firstIndex;
private int itemsPerPage;
private int page;
private int numPages;
public void resize() {
items = _items;
marginLeft = x + (w % 18) / 2;
marginTop = y + (h % 18) / 2;
columns = w / 18;
rows = h / 18;
//sometimes width and height can be negative with certain resizing
if(rows < 0) rows = 0;
if(columns < 0) columns = 0;
calculatePage();
updateValidSlots();
}
private void calculatePage() {
if (itemsPerPage == 0)
numPages = 0;
else
numPages = (int) Math.ceil((float) items.size() / (float) itemsPerPage);
if (firstIndex >= items.size())
firstIndex = 0;
if (numPages == 0)
page = 0;
else
page = firstIndex / itemsPerPage + 1;
}
private void updateValidSlots() {
GuiContainer gui = NEIClientUtils.getGuiContainer();
validSlotMap = new boolean[rows * columns];
itemsPerPage = 0;
for (int i = 0; i < validSlotMap.length; i++)
if (slotValid(gui, i)) {
validSlotMap[i] = true;
itemsPerPage++;
}
}
private boolean slotValid(GuiContainer gui, int i) {
Rectangle4i rect = getSlotRect(i);
for (INEIGuiHandler handler : GuiInfo.guiHandlers)
if (handler.hideItemPanelSlot(gui, rect.x, rect.y, rect.w, rect.h))
return false;
return true;
}
public Rectangle4i getSlotRect(int i) {
return getSlotRect(i / columns, i % columns);
}
public Rectangle4i getSlotRect(int row, int column) {
return new Rectangle4i(marginLeft + column * 18, marginTop + row * 18, 18, 18);
}
@Override
public void draw(int mousex, int mousey) {
if (itemsPerPage == 0)
return;
GuiContainerManager.enableMatrixStackLogging();
int index = firstIndex;
for (int i = 0; i < rows * columns && index < items.size(); i++) {
if (validSlotMap[i]) {
Rectangle4i rect = getSlotRect(i);
if (rect.contains(mousex, mousey))
drawRect(rect.x, rect.y, rect.w, rect.h, 0xee555555);//highlight
GuiContainerManager.drawItem(rect.x + 1, rect.y + 1, items.get(index));
index++;
}
}
GuiContainerManager.disableMatrixStackLogging();
}
@Override
public void postDraw(int mousex, int mousey) {
if (draggedStack != null) {
GuiContainerManager.drawItems.zLevel += 100;
GuiContainerManager.drawItem(mousex - 8, mousey - 8, draggedStack);
GuiContainerManager.drawItems.zLevel -= 100;
}
}
@Override
public void mouseDragged(int mousex, int mousey, int button, long heldTime) {
if (mouseDownSlot >= 0 && draggedStack == null && NEIClientUtils.getHeldItem() == null &&
NEIClientConfig.hasSMPCounterPart() && !GuiInfo.hasCustomSlots(NEIClientUtils.getGuiContainer())) {
ItemPanelSlot mouseOverSlot = getSlotMouseOver(mousex, mousey);
ItemStack stack = new ItemPanelSlot(mouseDownSlot).item;
if (stack != null && (mouseOverSlot == null || mouseOverSlot.slotIndex != mouseDownSlot || heldTime > 500)) {
int amount = NEIClientConfig.getItemQuantity();
if (amount == 0)
amount = stack.getMaxStackSize();
draggedStack = NEIServerUtils.copyStack(stack, amount);
}
}
}
@Override
public boolean handleClick(int mousex, int mousey, int button) {
if (handleDraggedClick(mousex, mousey, button))
return true;
if (NEIClientUtils.getHeldItem() != null) {
for (INEIGuiHandler handler : GuiInfo.guiHandlers)
if (handler.hideItemPanelSlot(NEIClientUtils.getGuiContainer(), mousex, mousey, 1, 1))
return false;
if (NEIClientConfig.canPerformAction("delete") && NEIClientConfig.canPerformAction("item"))
if (button == 1)
NEIClientUtils.decreaseSlotStack(-999);
else
NEIClientUtils.deleteHeldItem();
else
NEIClientUtils.dropHeldItem();
return true;
}
ItemPanelSlot hoverSlot = getSlotMouseOver(mousex, mousey);
if (hoverSlot != null) {
if (button == 2) {
ItemStack stack = hoverSlot.item;
if (stack != null) {
int amount = NEIClientConfig.getItemQuantity();
if (amount == 0)
amount = stack.getMaxStackSize();
draggedStack = NEIServerUtils.copyStack(stack, amount);
}
} else {
mouseDownSlot = hoverSlot.slotIndex;
}
return true;
}
return false;
}
private boolean handleDraggedClick(int mousex, int mousey, int button) {
if (draggedStack == null)
return false;
GuiContainer gui = NEIClientUtils.getGuiContainer();
boolean handled = false;
for (INEIGuiHandler handler : GuiInfo.guiHandlers)
if (handler.handleDragNDrop(gui, mousex, mousey, draggedStack, button)) {
handled = true;
if (draggedStack.stackSize == 0) {
draggedStack = null;
return true;
}
}
if (handled)
return true;
Slot overSlot = gui.getSlotAtPosition(mousex, mousey);
if (overSlot != null && overSlot.isItemValid(draggedStack)) {
if (NEIClientConfig.canCheatItem(draggedStack)) {
int contents = overSlot.getHasStack() ? overSlot.getStack().stackSize : 0;
int add = button == 0 ? draggedStack.stackSize : 1;
if (overSlot.getHasStack() && !NEIServerUtils.areStacksSameType(draggedStack, overSlot.getStack()))
contents = 0;
int total = Math.min(contents + add, Math.min(overSlot.getSlotStackLimit(), draggedStack.getMaxStackSize()));
if (total > contents) {
NEIClientUtils.setSlotContents(overSlot.slotNumber, NEIServerUtils.copyStack(draggedStack, total), true);
NEICPH.sendGiveItem(NEIServerUtils.copyStack(draggedStack, total), false, false);
draggedStack.stackSize -= total - contents;
}
if (draggedStack.stackSize == 0)
draggedStack = null;
} else {
draggedStack = null;
}
} else if (mousex < gui.guiLeft || mousey < gui.guiTop || mousex >= gui.guiLeft + gui.xSize || mousey >= gui.guiTop + gui.ySize) {
draggedStack = null;
}
return true;
}
@Override
public boolean handleClickExt(int mousex, int mousey, int button) {
return handleDraggedClick(mousex, mousey, button);
}
@Override
public void mouseUp(int mousex, int mousey, int button) {
ItemPanelSlot hoverSlot = getSlotMouseOver(mousex, mousey);
if (hoverSlot != null && hoverSlot.slotIndex == mouseDownSlot && draggedStack == null) {
ItemStack item = hoverSlot.item;
if (NEIController.manager.window instanceof GuiRecipe || !NEIClientConfig.canCheatItem(item)) {
if (button == 0)
GuiCraftingRecipe.openRecipeGui("item", item);
else if (button == 1)
GuiUsageRecipe.openRecipeGui("item", item);
draggedStack = null;
mouseDownSlot = -1;
return;
}
NEIClientUtils.cheatItem(item, button, -1);
}
mouseDownSlot = -1;
}
@Override
public boolean onMouseWheel(int i, int mousex, int mousey) {
if (!contains(mousex, mousey))
return false;
scroll(-i);
return true;
}
@Override
public boolean handleKeyPress(int keyID, char keyChar) {
if (keyID == NEIClientConfig.getKeyBinding("gui.next")) {
scroll(1);
return true;
}
if (keyID == NEIClientConfig.getKeyBinding("gui.prev")) {
scroll(-1);
return true;
}
return false;
}
@Override
public ItemStack getStackMouseOver(int mousex, int mousey) {
ItemPanelSlot slot = getSlotMouseOver(mousex, mousey);
return slot == null ? null : slot.item;
}
public ItemPanelSlot getSlotMouseOver(int mousex, int mousey) {
int index = firstIndex;
for (int i = 0; i < rows * columns && index < items.size(); i++)
if (validSlotMap[i]) {
if (getSlotRect(i).contains(mousex, mousey))
return new ItemPanelSlot(index);
index++;
}
return null;
}
public void scroll(int i) {
if (itemsPerPage != 0) {
int oldIndex = firstIndex;
firstIndex += i * itemsPerPage;
if (firstIndex >= items.size())
firstIndex = 0;
if (firstIndex < 0)
if (oldIndex > 0)
firstIndex = 0;
else
firstIndex = (items.size() - 1) / itemsPerPage * itemsPerPage;
calculatePage();
}
}
public int getPage() {
return page;
}
public int getNumPages() {
return numPages;
}
@Override
public boolean contains(int px, int py) {
GuiContainer gui = NEIClientUtils.getGuiContainer();
Rectangle4i rect = new Rectangle4i(px, py, 1, 1);
for (INEIGuiHandler handler : GuiInfo.guiHandlers)
if (handler.hideItemPanelSlot(gui, rect.x, rect.y, rect.w, rect.h))
return false;
return super.contains(px, py);
}
}
