Fixes #4547: Name clash between ITooltip#getWidth, ITooltip#getHeight and Vanilla Widget methods leads to missing methods at runtime, since the implementing methods will be remapped to SRG names, while referees of the interface will try to call the renamed methods by their name in the interface, leading to an AbstractMethodError. (#4557)

src/main/java/appeng/fluids/client/gui/widgets/FluidSlotWidget.java

@@ -1,6 +1,5 @@
 package appeng.fluids.client.gui.widgets;
 
-import java.awt.TextComponent;
 import java.util.Collections;
 
 import com.mojang.blaze3d.matrix.MatrixStack;
@@ -57,7 +56,8 @@ public class FluidSlotWidget extends CustomSlotWidget {
             final float blue = (attributes.getColor() & 255) / 255.0F;
             RenderSystem.color3f(red, green, blue);
 
-            blit(matrixStack, xPos(), yPos(), this.getBlitOffset(), getWidth(), getHeight(), sprite);
+            blit(matrixStack, getTooltipAreaX(), getTooltipAreaY(), this.getBlitOffset(), getTooltipAreaWidth(),
+                    getTooltipAreaHeight(), sprite);
         }
     }
 
@@ -81,7 +81,7 @@ public class FluidSlotWidget extends CustomSlotWidget {
     }
 
     @Override
-    public ITextComponent getMessage() {
+    public ITextComponent getTooltipMessage() {
         final IAEFluidStack fluid = this.getFluidStack();
         if (fluid != null) {
             return new TranslationTextComponent(fluid.getFluidStack().getTranslationKey());
@@ -90,7 +90,7 @@ public class FluidSlotWidget extends CustomSlotWidget {
     }
 
     @Override
-    public boolean isVisible() {
+    public boolean isTooltipAreaVisible() {
         return true;
     }
 

src/main/java/appeng/fluids/client/gui/widgets/FluidTankWidget.java

@@ -89,7 +89,7 @@ public class FluidTankWidget extends Widget implements ITooltip {
     }
 
     @Override
-    public ITextComponent getMessage() {
+    public ITextComponent getTooltipMessage() {
         final IAEFluidStack fluid = this.tank.getFluidInSlot(this.slot);
         if (fluid != null && fluid.getStackSize() > 0) {
             return fluid.getFluid().getAttributes().getDisplayName(fluid.getFluidStack()).deepCopy()
@@ -99,27 +99,27 @@ public class FluidTankWidget extends Widget implements ITooltip {
     }
 
     @Override
-    public int xPos() {
+    public int getTooltipAreaX() {
         return this.x - 2;
     }
 
     @Override
-    public int yPos() {
+    public int getTooltipAreaY() {
         return this.y - 2;
     }
 
     @Override
-    public int getWidth() {
+    public int getTooltipAreaWidth() {
         return this.width + 4;
     }
 
     @Override
-    public int getHeight() {
+    public int getTooltipAreaHeight() {
         return this.height + 4;
     }
 
     @Override
-    public boolean isVisible() {
+    public boolean isTooltipAreaVisible() {
         return true;
     }
 

src/main/java/appeng/fluids/client/gui/widgets/OptionalFluidSlotWidget.java

@@ -48,7 +48,8 @@ public class OptionalFluidSlotWidget extends FluidSlotWidget {
         } else {
             RenderSystem.color4f(1.0F, 1.0F, 1.0F, 0.4F);
         }
-        GuiUtils.drawTexturedModalRect(guileft + this.xPos() - 1, guitop + this.yPos() - 1, this.srcX - 1,
-                this.srcY - 1, this.getWidth() + 2, this.getHeight() + 2, currentZIndex);
+        GuiUtils.drawTexturedModalRect(guileft + this.getTooltipAreaX() - 1, guitop + this.getTooltipAreaY() - 1,
+                this.srcX - 1, this.srcY - 1, this.getTooltipAreaWidth() + 2, this.getTooltipAreaHeight() + 2,
+                currentZIndex);
     }
 }