added gui handlers from the jei api to FlexcrateScreen and SchematicannonScreen, addresses #42

src/main/java/com/simibubi/create/compat/jei/CreateJEI.java

@@ -9,12 +9,11 @@ import com.simibubi.create.AllRecipes;
 import com.simibubi.create.Create;
 import com.simibubi.create.foundation.utility.Lang;
 
+import com.simibubi.create.modules.logistics.block.FlexcrateScreen;
+import com.simibubi.create.modules.schematics.block.SchematicannonScreen;
 import mezz.jei.api.IModPlugin;
 import mezz.jei.api.JeiPlugin;
-import mezz.jei.api.registration.IRecipeCatalystRegistration;
+import mezz.jei.api.registration.*;
-import mezz.jei.api.registration.IRecipeCategoryRegistration;
-import mezz.jei.api.registration.IRecipeRegistration;
-import mezz.jei.api.registration.ISubtypeRegistration;
 import net.minecraft.client.Minecraft;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.crafting.IRecipe;
@@ -90,6 +89,12 @@ public class CreateJEI implements IModPlugin {
 		registration.addRecipeCatalyst(new ItemStack(AllItems.PLACEMENT_HANDGUN.get()), blockzapperCategory.getUid());
 	}
 
+	@Override
+	public void registerGuiHandlers(IGuiHandlerRegistration registration) {
+		registration.addGuiContainerHandler(FlexcrateScreen.class, new SlotMover<>());
+		registration.addGuiContainerHandler(SchematicannonScreen.class, new SlotMover<>());
+	}
+
 	private static List<IRecipe<?>> findRecipes(AllRecipes recipe) {
 		return findRecipesByType(recipe.type);
 	}

src/main/java/com/simibubi/create/compat/jei/SlotMover.java

@@ -0,0 +1,21 @@
+package com.simibubi.create.compat.jei;
+
+import com.simibubi.create.foundation.gui.AbstractSimiContainerScreen;
+import mezz.jei.api.gui.handlers.IGuiContainerHandler;
+import net.minecraft.client.renderer.Rectangle2d;
+import net.minecraft.inventory.container.Container;
+
+import java.util.List;
+
+/**
+ * Allows a {@link AbstractSimiContainerScreen} to specify an area in getExtraArea() that will be avoided by JEI
+ *
+ * Name is taken from CoFHCore's 1.12 implementation.
+ */
+public class SlotMover<T extends Container> implements IGuiContainerHandler<AbstractSimiContainerScreen<T>> {
+
+    @Override
+    public List<Rectangle2d> getGuiExtraAreas(AbstractSimiContainerScreen<T> containerScreen) {
+        return containerScreen.getExtraAreas();
+    }
+}

src/main/java/com/simibubi/create/foundation/gui/AbstractSimiContainerScreen.java

@@ -1,6 +1,7 @@
 package com.simibubi.create.foundation.gui;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 import com.mojang.blaze3d.platform.GlStateManager;
@@ -8,6 +9,7 @@ import com.simibubi.create.foundation.gui.widgets.AbstractSimiWidget;
 
 import net.minecraft.client.gui.screen.inventory.ContainerScreen;
 import net.minecraft.client.gui.widget.Widget;
+import net.minecraft.client.renderer.Rectangle2d;
 import net.minecraft.client.renderer.RenderHelper;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.inventory.container.Container;
@@ -128,4 +130,12 @@ public abstract class AbstractSimiContainerScreen<T extends Container> extends C
 		}
 	}
 
+	/**
+	 * Used for moving JEI out of the way of extra things like Flexcrate renders
+	 *
+	 * @return the space that the gui takes up besides the normal rectangle defined by {@link ContainerScreen}.
+	 */
+	public List<Rectangle2d> getExtraAreas() {
+		return Collections.emptyList();
+	}
 }

src/main/java/com/simibubi/create/modules/logistics/block/FlexcrateScreen.java

@@ -15,9 +15,13 @@ import com.simibubi.create.foundation.utility.Lang;
 import com.simibubi.create.modules.logistics.packet.ConfigureFlexcratePacket;
 
 import net.minecraft.block.BlockState;
+import net.minecraft.client.renderer.Rectangle2d;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.util.text.ITextComponent;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class FlexcrateScreen extends AbstractSimiContainerScreen<FlexcrateContainer> {
 
 	private FlexcrateTileEntity te;
@@ -25,6 +29,8 @@ public class FlexcrateScreen extends AbstractSimiContainerScreen<FlexcrateContai
 	private ScrollInput allowedItems;
 	private int lastModification;
 
+	private List<Rectangle2d> extraAreas;
+
 	private final String title = Lang.translate("gui.flexcrate.title");
 	private final String storageSpace = Lang.translate("gui.flexcrate.storageSpace");
 
@@ -47,6 +53,9 @@ public class FlexcrateScreen extends AbstractSimiContainerScreen<FlexcrateContai
 		allowedItems.onChanged();
 		widgets.add(allowedItemsLabel);
 		widgets.add(allowedItems);
+
+		extraAreas = new ArrayList<>();
+		extraAreas.add(new Rectangle2d(guiLeft + FLEXCRATE.width + 110, guiTop + 46, 71, 70));
 	}
 
 	@Override
@@ -76,6 +85,10 @@ public class FlexcrateScreen extends AbstractSimiContainerScreen<FlexcrateContai
 		}
 
 		ScreenElementRenderer.renderBlock(this::getRenderedBlock);
+
+		//to see or debug the bounds of the extra area uncomment the following lines
+		//Rectangle2d r = extraAreas.get(0);
+		//fill(r.getX() + r.getWidth(), r.getY() + r.getHeight(), r.getX(), r.getY(), 0xd3d3d3d3);
 	}
 
 	@Override
@@ -101,4 +114,8 @@ public class FlexcrateScreen extends AbstractSimiContainerScreen<FlexcrateContai
 		return AllBlocks.FLEXCRATE.get().getDefaultState();
 	}
 
+	@Override
+	public List<Rectangle2d> getExtraAreas() {
+		return extraAreas;
+	}
 }

src/main/java/com/simibubi/create/modules/schematics/block/SchematicannonScreen.java

@@ -1,7 +1,9 @@
 package com.simibubi.create.modules.schematics.block;
 
+import static com.simibubi.create.ScreenResources.FLEXCRATE;
 import static net.minecraft.util.text.TextFormatting.GRAY;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Vector;
@@ -22,6 +24,7 @@ import com.simibubi.create.modules.schematics.packet.ConfigureSchematicannonPack
 import com.simibubi.create.modules.schematics.packet.ConfigureSchematicannonPacket.Option;
 
 import net.minecraft.client.gui.widget.Widget;
+import net.minecraft.client.renderer.Rectangle2d;
 import net.minecraft.client.renderer.RenderHelper;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.item.BlockItem;
@@ -46,6 +49,8 @@ public class SchematicannonScreen extends AbstractSimiContainerScreen<Schematica
 	protected IconButton resetButton;
 	protected Indicator resetIndicator;
 
+	private List<Rectangle2d> extraAreas;
+
 	private final String title = Lang.translate("gui.schematicannon.title");
 	private final String settingsTitle = Lang.translate("gui.schematicannon.settingsTitle");
 	private final String listPrinter = Lang.translate("gui.schematicannon.listPrinter");
@@ -112,6 +117,9 @@ public class SchematicannonScreen extends AbstractSimiContainerScreen<Schematica
 		skipTilesIndicator = new Indicator(x + 124, y + 96, "");
 		Collections.addAll(widgets, skipTilesButton, skipTilesIndicator);
 
+		extraAreas = new ArrayList<>();
+		extraAreas.add(new Rectangle2d(guiLeft + 240, guiTop + 88, 84, 113));
+
 		tick();
 	}
 
@@ -219,6 +227,10 @@ public class SchematicannonScreen extends AbstractSimiContainerScreen<Schematica
 		font.drawString(settingsTitle, guiLeft + 20 + 13, guiTop + 84, ScreenResources.FONT_COLOR);
 		font.drawString(playerInventory.getDisplayName().getFormattedText(), guiLeft - 10 + 7, guiTop + 145 + 6,
 				0x666666);
+
+		//to see or debug the bounds of the extra area uncomment the following lines
+		//Rectangle2d r = extraAreas.get(0);
+		//fill(r.getX() + r.getWidth(), r.getY() + r.getHeight(), r.getX(), r.getY(), 0xd3d3d3d3);
 	}
 
 	protected void renderCannon() {
@@ -323,6 +335,11 @@ public class SchematicannonScreen extends AbstractSimiContainerScreen<Schematica
 		return super.mouseClicked(x, y, button);
 	}
 
+	@Override
+	public List<Rectangle2d> getExtraAreas() {
+		return extraAreas;
+	}
+
 	protected void sendOptionUpdate(Option option, boolean set) {
 		AllPackets.channel
 				.sendToServer(ConfigureSchematicannonPacket.setOption(container.getTileEntity().getPos(), option, set));