Update

src/main/java/alterwain/offlineskin/GuiSkinChanger.java

@@ -2,6 +2,8 @@ package alterwain.offlineskin;
 
 import net.minecraft.client.gui.GuiButton;
 import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.client.gui.options.components.BooleanOptionComponent;
+import net.minecraft.client.option.BooleanOption;
 import net.minecraft.core.lang.I18n;
 
 import javax.imageio.ImageIO;
@@ -17,6 +19,8 @@ public class GuiSkinChanger extends GuiScreen {
     private GuiButton buttonLoadSkin;
     private GuiButton buttonLoadCape;
     private GuiButton buttonClose;
+    private GuiButton modelType;
+    private GuiButton hasCape;
 
 
     public GuiSkinChanger(GuiScreen parent) {
@@ -27,6 +31,8 @@ public class GuiSkinChanger extends GuiScreen {
     public void init() {
         I18n stringtranslate = I18n.getInstance();
         this.controlList.clear();
+        this.controlList.add(this.modelType = new GuiButton(3, this.width / 2 - 100, this.height / 4 + 2, 200, 20, stringtranslate.translateKey("gui.options.page.edit_skin.button.model_slim")));
+        this.controlList.add(this.hasCape = new GuiButton(4, this.width / 2 - 100, this.height / 4 - 10 + 30 + 4, 200, 20, stringtranslate.translateKey("gui.options.page.edit_skin.button.has_cape_yes")));
         this.controlList.add(this.buttonLoadSkin = new GuiButton(0, this.width / 2 - 100, this.height / 4 + 96 + 12, stringtranslate.translateKey("gui.options.page.edit_skin.button.load_skin")));
         this.controlList.add(this.buttonLoadCape = new GuiButton(1, this.width / 2 - 100, this.height / 4 - 10 + 50 + 18 + 20 + 4, 200, 20, stringtranslate.translateKey("gui.options.page.edit_skin.button.load_cape")));
         this.controlList.add(this.buttonClose = new GuiButton(2, this.width / 2 - 100, this.height / 4 + 120 + 12,  stringtranslate.translateKey("gui.options.page.edit_skin.button.close")));
@@ -50,6 +56,10 @@ public class GuiSkinChanger extends GuiScreen {
                         OfflineSkinMod.capeImage = ImageIO.read(cape);
                         Files.copy(cape.toPath(), new File(configPath, "cape.png").toPath(), StandardCopyOption.REPLACE_EXISTING);
                     }
+                } else if(button.id == 3) { // model type
+
+                } else if(button.id == 4) { // hasCape
+
                 }
             }
         } catch (IOException e) {

src/main/java/alterwain/offlineskin/OfflineSkinMod.java

@@ -19,6 +19,7 @@ import java.io.IOException;
 import java.nio.file.Path;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Objects;
 
 
 public class OfflineSkinMod implements ModInitializer, GameStartEntrypoint, RecipeEntrypoint {
@@ -39,9 +40,11 @@ public class OfflineSkinMod implements ModInitializer, GameStartEntrypoint, Reci
 	public void beforeGameStart() {
 		configPath.mkdirs();
 		try {
-			if (new File(configPath, "skin.png").exists()) {
+			if(!new File(configPath, "skin.png").exists()) {
-				skinImage = ImageIO.read(new File(configPath, "skin.png"));
+				BufferedImage i = ImageIO.read(Objects.requireNonNull(OfflineSkinMod.class.getClassLoader().getResourceAsStream("char.png")));
+				ImageIO.write(i, "png", new File(configPath, "skin.png"));
 			}
+			skinImage = ImageIO.read(new File(configPath, "skin.png"));
 			if (new File(configPath, "cape.png").exists()) {
 				capeImage = ImageIO.read(new File(configPath, "cape.png"));
 			}
@@ -81,7 +84,7 @@ public class OfflineSkinMod implements ModInitializer, GameStartEntrypoint, Reci
 			ByteArrayInputStream is = new ByteArrayInputStream(b);
 			return ImageIO.read(is);
 		} catch (IOException e) {
-			return null; // TODO: read default skin from resources.
+			return null;
 		}
 	}
 

src/main/java/alterwain/offlineskin/SendSet.java

@@ -15,15 +15,20 @@ public class SendSet extends Thread {
 
     @Override
     public void run() {
-        try {
+            int i = 0;
-            Thread.sleep(2500);
+            while(i < 10) {
-            if( isCape ) {
+                try {
-                ((ForceDownloadHandler) EntityRenderDispatcher.instance.renderEngine).offlineSkinChanger$forceLoadDownloadableTexture("offlineCapeLocal:" + this.username, null, null);
+                    Thread.sleep(2500);
-                return;
+                    if (isCape) {
+                        ((ForceDownloadHandler) EntityRenderDispatcher.instance.renderEngine).offlineSkinChanger$forceLoadDownloadableTexture("offlineCapeLocal:" + this.username, null, null);
+                        return;
+                    }
+                    ((ForceDownloadHandler) EntityRenderDispatcher.instance.renderEngine).offlineSkinChanger$forceLoadDownloadableTexture("offlineSkinLocal:" + this.username, null, PlayerSkinParser.instance);
+                    return;
+                } catch (Exception e) {
+                    e.printStackTrace();
+                    i++;
+                }
             }
-            ((ForceDownloadHandler) EntityRenderDispatcher.instance.renderEngine).offlineSkinChanger$forceLoadDownloadableTexture("offlineSkinLocal:"+this.username, null, PlayerSkinParser.instance);
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
     }
 }

src/main/java/alterwain/offlineskin/mixin/NetClientHandlerMixin.java

@@ -20,9 +20,17 @@ public abstract class NetClientHandlerMixin extends NetHandler implements SkinRe
 
     @Override
     public void offlineSkinChanger$handleSkinRequest(Packet244SkinRequest request) {
+        byte[] skin = new byte[0];
+        byte[] cape = new byte[0];
+        if( request.isRequestSkin() && OfflineSkinMod.skinImage != null ) {
+            skin = OfflineSkinMod.imageToBytes(OfflineSkinMod.skinImage);
+        }
+        if( request.isRequestCape() && OfflineSkinMod.capeImage != null ) {
+            cape = OfflineSkinMod.imageToBytes(OfflineSkinMod.capeImage);
+        }
         this.netManager.addToSendQueue(new Packet245SkinResponse(mc.thePlayer.username,
-                OfflineSkinMod.imageToBytes(OfflineSkinMod.skinImage),
+                skin,
-                OfflineSkinMod.imageToBytes(OfflineSkinMod.capeImage),
+                cape,
                 false));
     }
 }

src/main/java/alterwain/offlineskin/packet/Packet244SkinRequest.java

@@ -45,4 +45,16 @@ public class Packet244SkinRequest extends Packet {
     public int getPacketSize() {
         return 3;
     }
+
+    public boolean isRequestSkin() {
+        return requestSkin;
+    }
+
+    public boolean isRequestCape() {
+        return requestCape;
+    }
+
+    public boolean isRequestModelType() {
+        return requestModelType;
+    }
 }

src/main/resources/lang/offlineskin/en_US.lang

@@ -3,3 +3,7 @@ gui.options.page.edit_skin.button.load_skin=Load skin
 gui.options.page.edit_skin.button.load_cape=Load cape
 gui.options.page.edit_skin.button.close=Close
 gui.options.page.edit_skin.label.title=Change skin/cape
+gui.options.page.edit_skin.button.model_fat=Model type: Steve
+gui.options.page.edit_skin.button.model_slim=Model type: Alex
+gui.options.page.edit_skin.button.has_cape_yes=Has cape (yes)
+gui.options.page.edit_skin.button.has_cape_no=Has cape (no)