Minor fixes for markers and empty floor edges

core/src/mindustry/game/MapObjectives.java

@@ -10,7 +10,6 @@ import arc.math.geom.*;
 import arc.scene.ui.layout.*;
 import arc.struct.*;
 import arc.util.*;
-import arc.util.io.*;
 import arc.util.serialization.*;
 import arc.util.serialization.Json.*;
 import mindustry.*;
@@ -27,9 +26,7 @@ import mindustry.world.*;
 import mindustry.world.blocks.logic.CanvasBlock.*;
 import mindustry.world.blocks.logic.LogicDisplay.*;
 
-import java.io.*;
 import java.lang.annotation.*;
-import java.nio.*;
 import java.util.*;
 
 import static java.lang.annotation.ElementType.*;
@@ -1333,29 +1330,28 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
             }
         }else if(texture instanceof UnlockableContent u){
             out.set(u.fullIcon);
-        }else if(texture instanceof LogicDisplayBuild d){
+        }else if(texture instanceof LogicDisplayBuild d && d.isAdded()){
             d.ensureBuffer();
             out.set(d.buffer.getTexture());
-        }else if(texture instanceof CanvasBuild c){
+        }else if(texture instanceof CanvasBuild c && c.isAdded()){
-            if(c.texture == null) c.updateTexture();
+            c.updateTexture();
-            out.set(c.texture);
+            if(c.texture != null) out.set(c.texture);
         }else{
             out.set(Core.atlas.find("error"));
         }
     }
 
     private static void prepareTexture(ObjectiveMarker marker, Object texture){
-        if(texture instanceof LogicDisplayBuild d){
+        if(texture instanceof LogicDisplayBuild d && d.isAdded()){
             if(d.buffer == null || d.buffer.isDisposed()){
                 marker.setTexture("error");
             }else{
                 d.processCommands();
             }
-        }else if(texture instanceof CanvasBuild c){
+        }else if(texture instanceof CanvasBuild c && c.isAdded()){
             if(c.texture == null || c.texture.isDisposed()){
                 marker.setTexture("error");
-            }else if(c.updated){
+            }else{
-                c.updated = false;
                 c.updateTexture();
             }
         }

core/src/mindustry/world/blocks/environment/EmptyFloor.java

@@ -12,6 +12,7 @@ public class EmptyFloor extends Floor{
         canShadow = false;
         placeableOn = false;
         solid = true;
+        drawEdgeOut = false;
     }
 
     @Override

core/src/mindustry/world/blocks/logic/CanvasBlock.java

@@ -51,6 +51,7 @@ public class CanvasBlock extends Block{
         config(byte[].class, (CanvasBuild build, byte[] bytes) -> {
             if(build.data.length == bytes.length){
                 System.arraycopy(bytes, 0, build.data, 0, bytes.length);
+                build.invalidated = true;
                 build.updateTexture();
             }
         });
@@ -149,19 +150,19 @@ public class CanvasBlock extends Block{
         public @Nullable Texture texture;
         public byte[] data = new byte[Mathf.ceil(canvasSize * canvasSize * bitsPerPixel / 8f)];
         public int blending;
-        public boolean updated = false;
+        protected boolean invalidated = false;
 
         public void setPixel(int pos, int index){
             if(pos < canvasSize * canvasSize && pos >= 0 && index >= 0 && index < palette.length){
                 setByte(data, pos * bitsPerPixel, index);
-                updated = true;
+                invalidated = true;
             }
         }
 
         public void setPixel(int x, int y, int index){
             if(x >= 0 && y >= 0 && x < canvasSize && y < canvasSize && index >= 0 && index < palette.length){
                 setByte(data, (y * canvasSize + x) * bitsPerPixel, index);
-                updated = true;
+                invalidated = true;
             }
         }
 
@@ -180,7 +181,7 @@ public class CanvasBlock extends Block{
         }
 
         public void updateTexture(){
-            if(headless) return;
+            if(headless || (texture != null && !invalidated)) return;
 
             Pixmap pix = makePixmap(data, previewPixmap);
             if(texture != null){
@@ -188,6 +189,8 @@ public class CanvasBlock extends Block{
             }else{
                 texture = new Texture(pix);
             }
+
+            invalidated = false;
         }
 
         public byte[] packPixmap(Pixmap pixmap){
@@ -260,10 +263,10 @@ public class CanvasBlock extends Block{
                 super.draw();
             }
 
-            if(texture == null || updated){
+            if(texture == null || invalidated){
-                updated = false;
                 updateTexture();
             }
+
             Tmp.tr1.set(texture);
             float pad = blending == 0 ? padding : 0f;