Added font icon generate+merge pipeline

tools/src/mindustry/tools/FontGenerator.java

@@ -0,0 +1,51 @@
+package mindustry.tools;
+
+import arc.*;
+import arc.files.*;
+import arc.util.*;
+import arc.util.io.*;
+
+import java.io.*;
+
+/* icon font pipeline:
+ 1. take set of pre-defined icons and SVGs
+ 2. use Fontello API to get a font with these
+ 3. combine fontello font and standard font, get output font
+ 4. use apache ttf API to generate a file with constants for every icon size+type (during annotation processing)
+ */
+public class FontGenerator{
+
+    public static void main(String[] args){
+        Net net = Core.net = new Net();
+        net.setBlock(true);
+        Fi folder = Fi.get("core/assets-raw/fontgen/out/");
+        folder.mkdirs();
+
+        Log.info("Session...");
+
+        OS.exec("curl", "--fail", "--output", "core/assets-raw/fontgen/out/session", "--form", "config=@core/assets-raw/fontgen/config.json", "http://fontello.com");
+
+        Log.info("Zip...");
+
+        String session = folder.child("session").readString();
+        net.httpGet("http://fontello.com/" + session + "/get", result -> {
+            try{
+                Streams.copyStream(result.getResultAsStream(), folder.child("font.zip").write());
+            }catch(IOException e){
+                throw new RuntimeException(e);
+            }
+        }, Log::err);
+
+        Log.info("Icon font...");
+
+        ZipFi zip = new ZipFi(folder.child("font.zip"));
+        Fi dest = folder.child("font.ttf");
+        zip.list()[0].child("font").child("fontello.ttf").copyTo(dest);
+
+        Log.info("Merge...");
+
+        OS.exec("fontforge", "-script", "core/assets-raw/fontgen/merge.pe");
+
+        Log.info("Done.");
+    }
+}

tools/src/mindustry/tools/ImagePacker.java

@@ -1,10 +1,10 @@
 package mindustry.tools;
 
 import arc.*;
-import arc.struct.*;
 import arc.files.*;
 import arc.graphics.g2d.*;
 import arc.graphics.g2d.TextureAtlas.*;
+import arc.struct.*;
 import arc.util.*;
 import arc.util.Log.*;
 import mindustry.*;
@@ -18,7 +18,7 @@ public class ImagePacker{
     static ObjectMap<String, TextureRegion> regionCache = new ObjectMap<>();
     static ObjectMap<TextureRegion, BufferedImage> imageCache = new ObjectMap<>();
 
-    public static void main(String[] args){
+    public static void main(String[] args) throws Exception{
         Vars.headless = true;
 
         Log.setLogger(new NoopLogHandler());

tools/src/mindustry/tools/SquareMarcher.java

@@ -1,14 +1,11 @@
 package mindustry.tools;
 
-import arc.Core;
-import arc.files.Fi;
-import arc.graphics.Color;
-import arc.graphics.Pixmap;
-import arc.graphics.g2d.Draw;
-import arc.graphics.g2d.Fill;
-import arc.graphics.gl.FrameBuffer;
-import arc.util.ScreenUtils;
-import arc.util.Tmp;
+import arc.*;
+import arc.files.*;
+import arc.graphics.*;
+import arc.graphics.g2d.*;
+import arc.graphics.gl.*;
+import arc.util.*;
 
 public class SquareMarcher{
     final int resolution;

tools/src/mindustry/tools/Upscaler.java

@@ -8,6 +8,7 @@ import arc.graphics.g2d.*;
 import arc.util.*;
 import mindustry.ui.*;
 
+//TODO remove
 public class Upscaler{
     public static void main(String[] args){
         new SdlApplication(new ApplicationListener(){