Implemented #2177

core/src/mindustry/content/TechTree.java

@@ -357,7 +357,7 @@ public class TechTree implements ContentList{
             this.content = content;
             this.requirements = requirements;
             this.depth = parent == null ? 0 : parent.depth + 1;
-            this.progress = Core.settings.getFloat("research-" + content.name, 0f);
+            this.progress = Core.settings == null ? 0 : Core.settings.getFloat("research-" + content.name, 0f);
 
             map.put(content, this);
             context = this;

core/src/mindustry/ctype/UnlockableContent.java

@@ -29,7 +29,7 @@ public abstract class UnlockableContent extends MappableContent{
 
         this.localizedName = Core.bundle.get(getContentType() + "." + this.name + ".name", this.name);
         this.description = Core.bundle.getOrNull(getContentType() + "." + this.name + ".description");
-        this.unlocked = Core.settings.getBool(name + "-unlocked", false);
+        this.unlocked = Core.settings != null && Core.settings.getBool(name + "-unlocked", false);
     }
 
     public String displayDescription(){

core/src/mindustry/entities/comp/TileComp.java

@@ -741,6 +741,16 @@ abstract class TileComp implements Posc, Teamc, Healthc, Tilec, Timerc, QuadTree
 
     public void draw(){
         Draw.rect(block.region, x, y, block.rotate ? rotdeg() : 0);
+
+        drawTeamTop();
+    }
+
+    public void drawTeamTop(){
+        if(block.teamRegion.found()){
+            if(block.teamRegions[team.uid] == block.teamRegion) Draw.color(team.color);
+            Draw.rect(block.teamRegions[team.uid], x, y);
+            Draw.color();
+        }
     }
 
     public void drawLight(){
@@ -761,7 +771,7 @@ abstract class TileComp implements Posc, Teamc, Healthc, Tilec, Timerc, QuadTree
     }
 
     public void drawTeam(){
-        Draw.color(team().color);
+        Draw.color(team.color);
         Draw.rect("block-border", x - block.size * tilesize / 2f + 4, y - block.size * tilesize / 2f + 4);
         Draw.color();
     }

core/src/mindustry/game/Team.java

@@ -17,6 +17,8 @@ public class Team implements Comparable<Team>{
     public final byte id;
     public final int uid;
     public final Color color;
+    public final Color[] palette;
+    public boolean hasPalette;
     public String name;
 
     /** All 256 registered teams. */
@@ -26,8 +28,10 @@ public class Team implements Comparable<Team>{
 
     public final static Team
         derelict = new Team(0, "derelict", Color.valueOf("4d4e58")),
-        sharded = new Team(1, "sharded", Pal.accent.cpy()),
-        crux = new Team(2, "crux", Color.valueOf("f25555")),
+        sharded = new Team(1, "sharded", Pal.accent.cpy(),
+            Color.valueOf("ffd37f"), Color.valueOf("eab678"), Color.valueOf("d4816b")),
+        crux = new Team(2, "crux", Color.valueOf("f25555"),
+            Color.valueOf("fc8e6c"), Color.valueOf("f25555"), Color.valueOf("a04553")),
         green = new Team(3, "green", Color.valueOf("4dd98b")),
         purple = new Team(4, "purple", Color.valueOf("9a4bdf")),
         blue = new Team(5, "blue", Color.royal.cpy());
@@ -54,6 +58,21 @@ public class Team implements Comparable<Team>{
         uid = us;
         if(us < 6) baseTeams[us] = this;
         all[us] = this;
+
+        palette = new Color[3];
+        palette[0] = color;
+        palette[1] = color.cpy().mul(0.75f);
+        palette[2] = color.cpy().mul(0.5f);
+    }
+
+    /** Specifies a 3-color team palette. */
+    protected Team(int id, String name, Color color, Color pal1, Color pal2, Color pal3){
+        this(id, name, color);
+
+        palette[0] = pal1;
+        palette[1] = pal2;
+        palette[2] = pal3;
+        hasPalette = true;
     }
 
     /** @return the team-specific rules. */

core/src/mindustry/world/Block.java

@@ -178,7 +178,10 @@ public class Block extends UnlockableContent{
     //TODO move
     protected TextureRegion[] generatedIcons;
     protected TextureRegion[] variantRegions, editorVariantRegions;
+
     public TextureRegion region, editorIcon;
+    public @Load("@-team") TextureRegion teamRegion;
+    public TextureRegion[] teamRegions;
 
     //TODO move
     public static TextureRegion[][] cracks;
@@ -622,6 +625,16 @@ public class Block extends UnlockableContent{
         }
 
         ContentRegions.loadRegions(this);
+
+        //load specific team regions
+        teamRegions = new TextureRegion[Team.all.length];
+        for(Team team : Team.all){
+            if(team.hasPalette){
+                teamRegions[team.uid] = Core.atlas.find(name + "-team-" + team.name);
+            }else{
+                teamRegions[team.uid] = teamRegion;
+            }
+        }
     }
 
     @Override