Better colored floor/wall support

core/src/mindustry/world/Block.java

@@ -80,6 +80,8 @@ public class Block extends UnlockableContent implements Senseable{
     public boolean displayFlow = true;
     /** whether this block is visible in the editor */
     public boolean inEditor = true;
+    /** if true, a color picker will be shown for the lastConfig field in the in-game-editor, and will be assigned as an integer. */
+    public boolean showColorEdit;
     /** the last configuration value applied to this block. */
     public @Nullable Object lastConfig;
     /** whether to save the last config and apply it to newly placed blocks */

core/src/mindustry/world/WorldContext.java

@@ -26,6 +26,9 @@ public interface WorldContext{
     /** Called when a building is finished reading. */
     default void onReadBuilding(){}
 
+    /** Called when data finishes reading for a tile. */
+    default void onReadTileData(){}
+
     default @Nullable Sector getSector(){
         return null;
     }

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

@@ -24,12 +24,14 @@ public class ColoredFloor extends Floor{
     public ColoredFloor(String name){
         super(name);
         saveData = true;
+        showColorEdit = true;
+        saveConfig = true;
     }
 
     @Override
     public void init(){
         super.init();
-        defaultColorRgba = defaultColor.rgba();
+        lastConfig = defaultColorRgba = defaultColor.rgba();
     }
 
     @Override
@@ -132,7 +134,9 @@ public class ColoredFloor extends Floor{
     @Override
     public void floorChanged(Tile tile){
         //reset to white
-        tile.extraData = defaultColorRgba;
+        if(tile.extraData == 0){
+            tile.extraData = defaultColorRgba;
+        }
     }
 
     @Override

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

@@ -19,17 +19,19 @@ public class ColoredWall extends StaticWall{
     public ColoredWall(String name){
         super(name);
         saveData = true;
+        showColorEdit = true;
+        saveConfig = true;
     }
 
     @Override
     public void init(){
         super.init();
-        defaultColorRgba = defaultColor.rgba();
+        lastConfig = defaultColorRgba = defaultColor.rgba();
     }
 
     @Override
     public void drawBase(Tile tile){
-        //make sure to mask out the alpha channel - it's generally undesirable, and leads to invisible blocks when the data is not initialized
+        //make sure to mask out the alpha channel - it's generally undesirable, and leads to invisible blocks when thtoe data is not initialized
         Draw.color(tile.extraData | 0xff);
         super.drawBase(tile);
         Draw.color();
@@ -37,8 +39,10 @@ public class ColoredWall extends StaticWall{
 
     @Override
     public void blockChanged(Tile tile){
-        //reset to white
-        tile.extraData = defaultColorRgba;
+        //reset to white on first placement
+        if(tile.extraData == 0){
+            tile.extraData = defaultColorRgba;
+        }
     }
 
     @Override
@@ -59,12 +63,12 @@ public class ColoredWall extends StaticWall{
 
     @Override
     public boolean checkAutotileSame(Tile tile, @Nullable Tile other){
-        return other != null && other.block() == this && ((tile.extraData & flagIgnoreDifferentColor) != 0 || tile.extraData == other.extraData);
+        return other != null && other.block() == this && ((tile.extraData == flagIgnoreDifferentColor) || tile.extraData == other.extraData);
     }
 
     @Override
     public boolean isDarkened(Tile tile){
-        return (tile.extraData & flagApplyDarkness) != 0;
+        return (tile.extraData == flagApplyDarkness);
     }
 
     @Override

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

@@ -378,19 +378,6 @@ public class Floor extends Block{
         }
     }
 
-    //'new' style of edges with shadows instead of colors, not used currently
-    protected void drawEdgesFlat(Tile tile, boolean sameLayer){
-        for(int i = 0; i < 4; i++){
-            Tile other = tile.nearby(i);
-            if(other != null && doEdge(tile, other, other.floor())){
-                Color color = other.floor().mapColor;
-                Draw.color(color.r, color.g, color.b, 1f);
-                Draw.rect(edgeRegion, tile.worldx(), tile.worldy(), i*90);
-            }
-        }
-        Draw.color();
-    }
-
     public int realBlendId(Tile tile){
         if(tile.floor().isLiquid && !tile.overlay().isAir() && !(tile.overlay() instanceof OreBlock)){
             return -((tile.overlay().blendId) | (tile.floor().blendId << 15));