button hover effect

src/main/java/org/saturnclient/saturnclient/SaturnClient.java

@@ -65,5 +65,5 @@ public class SaturnClient implements ModInitializer {
         } else {
             LOGGER.error("Failed to authenticate with the server");
         }
-    }
+    }   
 }

src/main/java/org/saturnclient/ui/SaturnUi.java

@@ -245,6 +245,8 @@ public class SaturnUi extends Screen {
                         }
                     }
                 }
+
+                widget.tick();
             }
             tick++;
         }

src/main/java/org/saturnclient/ui/SaturnWidget.java

@@ -14,27 +14,34 @@ public class SaturnWidget {
     public boolean visible = true;
     public boolean focused = false;
 
-    public void init() {}
+    public void init() {
+    }
 
     public void render(
-        DrawContext context,
-        boolean hovering,
-        int mouseX,
-        int mouseY
-    ) {}
+            DrawContext context,
+            boolean hovering,
+            int mouseX,
+            int mouseY) {
+    }
 
-    public void click(int mouseX, int mouseY) {}
+    public void click(int mouseX, int mouseY) {
+    }
 
-    public void keyPressed(int keyCode, int scanCode, int modifiers) {}
+    public void keyPressed(int keyCode, int scanCode, int modifiers) {
+    }
 
-    public void charTyped(char typedChar) {}
+    public void charTyped(char typedChar) {
+    }
+
+    public void tick() {
+    }
 
     public void mouseScrolled(
-        int mouseX,
-        int mouseY,
-        double horizontalAmount,
-        double verticalAmount
-    ) {}
+            int mouseX,
+            int mouseY,
+            double horizontalAmount,
+            double verticalAmount) {
+    }
 
     public SaturnWidget setX(int x) {
         this.x = x;

src/main/java/org/saturnclient/ui/Textures.java

@@ -28,11 +28,11 @@ public class Textures {
     public static final Identifier MOD_BG = Identifier.of("saturnclient", "textures/gui/components/mod_bg.png");
 
     public static Identifier getCloakPreview(String cloak) {
-        return Identifier.of("saturnclient", "textures/gui/cloak/" + cloak + ".png");
+        return Identifier.of("saturnclient", "textures/gui/cloak/" + (cloak.isEmpty() ? "none" : cloak) + ".png");
     }
 
     public static Identifier getHatPreview(String hat) {
-        return Identifier.of("saturnclient", "textures/gui/hat/" + hat + ".png");
+        return Identifier.of("saturnclient", "textures/gui/hat/" + (hat.isEmpty() ? "none" : hat) + ".png");
     }
 
     public static Identifier getModIcon(String modId) {

src/main/java/org/saturnclient/ui/widgets/SaturnButton.java

@@ -5,6 +5,7 @@ import java.util.function.Consumer;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.gui.DrawContext;
 import net.minecraft.util.math.MathHelper;
+
 import org.saturnclient.saturnclient.SaturnClient;
 import org.saturnclient.ui.SaturnUi;
 import org.saturnclient.ui.SaturnWidget;
@@ -17,6 +18,8 @@ public class SaturnButton extends SaturnWidget {
     public Consumer<SaturnButton> onPress;
     public boolean background = true;
 
+    private float hoverAlpha;
+
     public SaturnButton(String text, Consumer<SaturnButton> onPress) {
         this.text = text;
         this.onPress = onPress;
@@ -36,7 +39,7 @@ public class SaturnButton extends SaturnWidget {
             int mouseY) {
         MinecraftClient minecraftClient = MinecraftClient.getInstance();
 
-        int hoverColor = ((int) (alpha * 255) << 24) |
+        int hoverColor = ((int) (hoverAlpha * 255) << 24) |
                 (SaturnClient.COLOR.value & 0x00FFFFFF);
 
         if (background) {
@@ -52,6 +55,9 @@ public class SaturnButton extends SaturnWidget {
                     SaturnClient.getWhite(this.alpha));
 
             if (hovering) {
+                if (hoverAlpha == 0.0f)
+                    hoverAlpha = 0.1f;
+
                 SaturnUi.drawHighResGuiTexture(
                         context,
                         Textures.BUTTON_BORDER,
@@ -59,7 +65,9 @@ public class SaturnButton extends SaturnWidget {
                         0,
                         this.width,
                         this.height,
-                        hoverColor);
+                        ((int) (hoverAlpha * 255) << 24) | (SaturnClient.COLOR.value & 0x00FFFFFF));
+            } else {
+                hoverAlpha = 0.0f;
             }
         }
 
@@ -86,4 +94,12 @@ public class SaturnButton extends SaturnWidget {
     public void click(int mouseX, int mouseY) {
         this.onPress.accept(this);
     }
+
+    @Override
+    public void tick() {
+        if (hoverAlpha > 0.0f && hoverAlpha < 0.9f)
+            hoverAlpha += 0.06f;
+        else if (hoverAlpha > 0.9f && hoverAlpha < 1.0f)
+            hoverAlpha = 1.0f;
+    }
 }