Fixed several issues. Mirroring vertically.

Modifier panel up/down buttons updating.
Updating neighbouring blocks when placing blocks.
Removed separate icon files.

src/main/java/nl/requios/effortlessbuilding/create/foundation/utility/BlockHelper.java

@@ -261,7 +261,7 @@ public class BlockHelper {
 		if (state.getBlock() instanceof BaseRailBlock) {
 			placeRailWithoutUpdate(world, state, target);
 		} else {
-			world.setBlock(target, state, 18);
+			world.setBlock(target, state, 2); //Changed flag from 18 to 3
 		}
 
 		if (data != null) {

src/main/java/nl/requios/effortlessbuilding/gui/buildmode/RadialMenu.java

@@ -15,11 +15,9 @@ import net.minecraft.core.Direction;
 import net.minecraft.ChatFormatting;
 import net.minecraft.network.chat.Component;
 import net.minecraft.network.chat.FormattedText;
-import net.minecraft.resources.ResourceLocation;
 import net.minecraft.sounds.SoundEvents;
 import net.minecraft.sounds.SoundSource;
 import net.minecraft.util.RandomSource;
-import nl.requios.effortlessbuilding.AllIcons;
 import nl.requios.effortlessbuilding.ClientEvents;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
 import nl.requios.effortlessbuilding.EffortlessBuildingClient;

src/main/java/nl/requios/effortlessbuilding/gui/buildmodifier/BaseModifierEntry.java

@@ -105,6 +105,9 @@ public abstract class BaseModifierEntry<T extends BaseModifier> extends Modifier
         nameLabel.x = left + 18;
         nameLabel.y = top + 4;
         nameLabel.render(ms, mouseX, mouseY, partialTicks);
+    
+        moveUpButton.visible = screen.canMoveUp(this);
+        moveDownButton.visible = screen.canMoveDown(this);
         
         moveUpButton.x = right - 31;
         moveUpButton.y = top + 3;
@@ -126,8 +129,5 @@ public abstract class BaseModifierEntry<T extends BaseModifier> extends Modifier
             enableButton.setToolTip(Components.literal("Disable this modifier"));
         else
             enableButton.setToolTip(Components.literal("Enable this modifier"));
-        
-        moveUpButton.visible = screen.canMoveUp(this);
-        moveDownButton.visible = screen.canMoveDown(this);
     }
 }

src/main/java/nl/requios/effortlessbuilding/systems/BuilderChain.java

@@ -249,17 +249,7 @@ public class BuilderChain {
         }
 
         var blockEntry = new BlockEntry(startPos);
-
-        //Place upside-down stairs if we aim high at block
-        var hitVec = lookingAt.getLocation();
-        //Format hitvec to 0.x
-        hitVec = new Vec3(Math.abs(hitVec.x - ((int) hitVec.x)), Math.abs(hitVec.y - ((int) hitVec.y)), Math.abs(hitVec.z - ((int) hitVec.z)));
-        if (hitVec.y > 0.5) {
-            blockEntry.mirrorY = true;
-        }
-
         startPosForPlacing = blockEntry;
-
         return blockEntry;
     }
 

src/main/java/nl/requios/effortlessbuilding/utilities/BlockEntry.java

@@ -45,6 +45,7 @@ public class BlockEntry {
         //TODO mirror and rotate relativeHitVec?
         var blockPlaceContext = new MyPlaceContext(world, blockPos, direction, itemStack, clickedFace, relativeHitVec);
         newBlockState = block.getStateForPlacement(blockPlaceContext);
+        applyMirrorToBlockState();
     }
 
     private Direction applyMirror(Direction direction) {
@@ -53,6 +54,10 @@ public class BlockEntry {
         if (mirrorZ && direction.getAxis() == Direction.Axis.Z) direction = direction.getOpposite();
         return direction;
     }
+    
+    private void applyMirrorToBlockState() {
+        if (mirrorY) newBlockState = BlockUtilities.getVerticalMirror(newBlockState);
+    }
 
     public static void encode(FriendlyByteBuf buf, BlockEntry block) {
         buf.writeBlockPos(block.blockPos);

src/main/java/nl/requios/effortlessbuilding/utilities/MyPlaceContext.java

@@ -24,14 +24,6 @@ public class MyPlaceContext extends BlockPlaceContext {
         return this.getHitResult().getBlockPos();
     }
 
-    public boolean canPlace() {
-        return this.getLevel().getBlockState(this.getHitResult().getBlockPos()).canBeReplaced(this);
-    }
-
-    public boolean replacingClickedOnBlock() {
-        return this.canPlace();
-    }
-
     public Direction getNearestLookingDirection() {
         return Direction.DOWN;
     }