/
GuiEventHandler.java
159 lines (133 loc) · 4.33 KB
/
GuiEventHandler.java
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package mezz.jei;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;
import net.minecraftforge.client.event.GuiOpenEvent;
import net.minecraftforge.client.event.GuiScreenEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.common.gameevent.TickEvent;
import org.lwjgl.input.Mouse;
import mezz.jei.gui.ItemListOverlay;
import mezz.jei.gui.RecipesGui;
import mezz.jei.input.InputHandler;
public class GuiEventHandler {
@Nullable
private ItemListOverlay itemListOverlay;
@Nonnull
private final RecipesGui recipesGui = new RecipesGui();
@Nullable
private InputHandler inputHandler;
public void setItemListOverlay(@Nullable ItemListOverlay itemListOverlay) {
this.itemListOverlay = itemListOverlay;
}
@SubscribeEvent
public void onGuiInit(@Nonnull GuiScreenEvent.InitGuiEvent.Post event) {
if (itemListOverlay == null) {
return;
}
Minecraft minecraft = Minecraft.getMinecraft();
GuiContainer guiContainer = asGuiContainer(minecraft.currentScreen);
if (guiContainer == null) {
return;
}
itemListOverlay.initGui(guiContainer);
recipesGui.initGui(minecraft);
inputHandler = new InputHandler(recipesGui, itemListOverlay, guiContainer);
if (!minecraft.thePlayer.capabilities.isCreativeMode) {
itemListOverlay.open();
}
}
@SubscribeEvent
public void onGuiOpen(@Nonnull GuiOpenEvent event) {
if (itemListOverlay == null) {
return;
}
if (event.gui == null && itemListOverlay.isOpen()) {
itemListOverlay.close();
}
}
@SubscribeEvent
public void onDrawScreenEventPre(@Nonnull GuiScreenEvent.DrawScreenEvent.Pre event) {
GuiContainer guiContainer = asGuiContainer(event.gui);
if (guiContainer == null) {
return;
}
if (recipesGui.isOpen()) {
event.setCanceled(true);
}
}
@SubscribeEvent
public void onDrawScreenEventPost(@Nonnull GuiScreenEvent.DrawScreenEvent.Post event) {
if (itemListOverlay == null) {
return;
}
GuiContainer guiContainer = asGuiContainer(event.gui);
if (guiContainer == null) {
return;
}
if (recipesGui.isOpen()) {
recipesGui.drawBackground();
}
itemListOverlay.drawScreen(guiContainer.mc, event.mouseX, event.mouseY);
if (recipesGui.isOpen()) {
recipesGui.draw(event.mouseX, event.mouseY);
}
itemListOverlay.drawHovered(guiContainer.mc, event.mouseX, event.mouseY);
if (!recipesGui.isOpen()) {
/**
* There is no way to render between the existing inventory tooltip and the dark background layer,
* so we have to re-render the inventory tooltip over the item list.
**/
Slot slotUnderMouse = guiContainer.getSlotUnderMouse();
if (slotUnderMouse != null && slotUnderMouse.getHasStack()) {
ItemStack itemStack = slotUnderMouse.getStack();
guiContainer.renderToolTip(itemStack, event.mouseX, event.mouseY);
}
}
}
@SubscribeEvent
public void onClientTick(@Nonnull TickEvent.ClientTickEvent event) {
if (itemListOverlay == null || event.phase == TickEvent.Phase.END) {
return;
}
Minecraft minecraft = Minecraft.getMinecraft();
GuiContainer guiContainer = asGuiContainer(minecraft.currentScreen);
if (guiContainer == null) {
return;
}
itemListOverlay.handleTick();
}
@SubscribeEvent
public void onGuiKeyboardEvent(GuiScreenEvent.KeyboardInputEvent.Pre event) {
if (!(event.gui instanceof GuiContainer)) {
return;
}
if (inputHandler != null) {
if (inputHandler.handleKeyEvent()) {
event.setCanceled(true);
}
}
}
@SubscribeEvent
public void onGuiMouseEvent(GuiScreenEvent.MouseInputEvent.Pre event) {
GuiScreen gui = event.gui;
if (inputHandler != null) {
int x = Mouse.getEventX() * gui.width / gui.mc.displayWidth;
int y = gui.height - Mouse.getEventY() * gui.height / gui.mc.displayHeight - 1;
if (inputHandler.handleMouseEvent(x, y)) {
event.setCanceled(true);
}
}
}
@Nullable
private GuiContainer asGuiContainer(GuiScreen guiScreen) {
if (!(guiScreen instanceof GuiContainer)) {
return null;
}
return (GuiContainer) guiScreen;
}
}