fix(ui): 修复新 ClickGUI 的键盘输入、调色板渐变与饰品滚动裁剪

src/main/java/top/fpsmaster/features/impl/interfaces/TargetDisplay.java

@@ -100,7 +100,10 @@ private void drawCircle(Entity entity, double rad, boolean shade) {
             GL11.glEnd();
         } finally {
             if (shade) {
-                GL11.glShadeModel(GL11.GL_FLAT);
+                // 还原成 SMOOTH，不是 FLAT：原版 GUI/世界渲染从不碰 shade model，
+                // 基线一直是 GL 默认的 GL_SMOOTH。这里留 FLAT，之后所有逐顶点着色的
+                // 渐变（ClickGUI 调色板的 SV 方块、色相条、透明度条）都会被拍成一块纯色。
+                GL11.glShadeModel(GL11.GL_SMOOTH);
             }
             GlStateManager.depthMask(true);
             GlStateManager.enableLighting();

src/main/java/top/fpsmaster/ui/kit/EdgeUi.java

@@ -13,6 +13,12 @@
 public final class EdgeUi {
     private static UiFrame current;
     private static final FrameInput fallback = new FrameInput();
+    /**
+     * 这一帧是不是宿主屏幕开的。键鼠缓冲只有喂过 {@link #keyTyped} 的那一帧有权清：
+     * HUD 覆盖层每帧都 begin/end 一次、又排在 drawScreen 前面，无脑清会把玩家这一帧
+     * 敲的键冲掉——绑定按钮和文本框双双点不动，纯鼠标的开关滑条却照常。
+     */
+    private static boolean screenFrame;
 
     private EdgeUi() {
     }
@@ -26,14 +32,19 @@ public static void begin(ScaledGuiScreen screen) {
         float w = screen == null ? 0f : screen.guiWidth;
         float h = screen == null ? 0f : screen.guiHeight;
         current = new UiFrame(new EdgeHost(screen, fallback, w, h), theme());
+        screenFrame = true;
     }
 
     public static void beginOverlay(float guiWidth, float guiHeight) {
         current = new UiFrame(new EdgeHost(null, fallback, guiWidth, guiHeight), theme());
+        screenFrame = false;
     }
 
     public static void end() {
-        fallback.endFrame();
+        if (screenFrame) {
+            fallback.endFrame();
+        }
+        screenFrame = false;
         EdgeCanvas.clearPanelClip();
         current = null;
     }

src/main/java/top/fpsmaster/ui/screens/cosmetics/CosmeticsScreen.java

@@ -8,7 +8,9 @@
 import net.minecraft.client.renderer.entity.RenderManager;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.util.ResourceLocation;
+import org.lwjgl.BufferUtils;
 import org.lwjgl.input.Keyboard;
+import org.lwjgl.opengl.GL11;
 import top.fpsmaster.FPSMaster;
 import top.fpsmaster.exception.FileException;
 import top.fpsmaster.cosmetic.CosmeticManager;
@@ -28,6 +30,7 @@
 import com.google.gson.JsonObject;
 
 import java.io.IOException;
+import java.nio.IntBuffer;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.CompletableFuture;
@@ -40,6 +43,10 @@ public final class CosmeticsScreen extends ScaledGuiScreen {
     private final EdgeCosmeticsBridge bridge = new EdgeCosmeticsBridge();
     private final float[] preview = new float[5];
     private final List<ItemPreview> itemPreviews = new ArrayList<>();
+    /** 商品列表的 GL 裁剪框，缩略图 2D 之后才画，得在回调那一刻抄下来照着裁。 */
+    private final IntBuffer previewScissor = BufferUtils.createIntBuffer(16);
+    private boolean previewScissorCaptured;
+    private boolean previewScissorEnabled;
 
     public CosmeticsScreen(GuiScreen parent) {
         this.parent = parent;
@@ -60,6 +67,8 @@ public void initGui() {
     @Override
     public void render(int mouseX, int mouseY, float partialTicks) {
         itemPreviews.clear();
+        previewScissorCaptured = false;
+        previewScissorEnabled = false;
         if (cosmetics.draw(EdgeUi.frame(), bridge)) {
             mc.displayGuiScreen(parent);
             return;
@@ -81,25 +90,53 @@ public void render(int mouseX, int mouseY, float partialTicks) {
     }
 
     private void renderItemPreviews() {
-        for (ItemPreview itemPreview : itemPreviews) {
-            ResourceLocation texture = bridge.cosmetics.textureFor(itemPreview.item.id());
-            if ("wings".equals(itemPreview.item.category())) {
-                if (!itemPreview.item.builtin() && texture == null) continue;
-                float size = Math.max(12f, itemPreview.h * 0.4f);
-                bridge.cosmetics.wingsRenderer().renderPreview(
-                        itemPreview.x + itemPreview.w * 0.5f,
-                        itemPreview.y + itemPreview.h - 1f,
-                        size,
-                        180f,
-                        texture,
-                        0.78f
-                );
-            } else if ("cape".equals(itemPreview.item.category()) && texture != null) {
-                renderCapeThumbnail(itemPreview, texture);
+        if (itemPreviews.isEmpty()) return;
+        // 缩略图是攒到 2D 通道结束之后才上屏的，那时 clip 栈已经弹空：不照着商品列表
+        // 当时那道裁剪框自己裁一刀，往下滚的时候缩略图会横穿列表边界糊到面板外面去。
+        boolean scissored = previewScissorEnabled;
+        if (scissored) {
+            GL11.glEnable(GL11.GL_SCISSOR_TEST);
+            GL11.glScissor(previewScissor.get(0), previewScissor.get(1),
+                    previewScissor.get(2), previewScissor.get(3));
+        }
+        try {
+            for (ItemPreview itemPreview : itemPreviews) {
+                ResourceLocation texture = bridge.cosmetics.textureFor(itemPreview.item.id());
+                if ("wings".equals(itemPreview.item.category())) {
+                    if (!itemPreview.item.builtin() && texture == null) continue;
+                    float size = Math.max(12f, itemPreview.h * 0.4f);
+                    bridge.cosmetics.wingsRenderer().renderPreview(
+                            itemPreview.x + itemPreview.w * 0.5f,
+                            itemPreview.y + itemPreview.h - 1f,
+                            size,
+                            180f,
+                            texture,
+                            0.78f
+                    );
+                } else if ("cape".equals(itemPreview.item.category()) && texture != null) {
+                    renderCapeThumbnail(itemPreview, texture);
+                }
+            }
+        } finally {
+            if (scissored) {
+                GL11.glDisable(GL11.GL_SCISSOR_TEST);
             }
         }
     }
 
+    /**
+     * 抄一份当前 GL 裁剪框。商品列表是同一道裁剪，一帧抄一次就够。
+     */
+    private void capturePreviewScissor() {
+        if (previewScissorCaptured) return;
+        previewScissorCaptured = true;
+        previewScissorEnabled = GL11.glIsEnabled(GL11.GL_SCISSOR_TEST);
+        if (previewScissorEnabled) {
+            previewScissor.clear();
+            GL11.glGetInteger(GL11.GL_SCISSOR_BOX, previewScissor);
+        }
+    }
+
     private void renderCapeThumbnail(ItemPreview itemPreview, ResourceLocation texture) {
         float size = Math.max(18f, itemPreview.h * 0.76f);
         GlStateManager.enableColorMaterial();
@@ -323,6 +360,7 @@ public void purchaseItem(String id) {
         public void paintItemPreview(UiFrame ui, CosmeticsBridge.Item item,
                                      float x, float y, float w, float h) {
             itemPreviews.add(new ItemPreview(item, x, y, w, h));
+            capturePreviewScissor();
         }
         @Override
         public void paintPlayerPreview(UiFrame ui, float x, float y, float w, float h, float yaw) {

src/main/java/top/fpsmaster/utils/render/gui/ScaledGuiScreen.java

@@ -129,6 +129,12 @@ public void onGuiClosed() {
 
     @Override
     protected void keyTyped(char typedChar, int keyCode) throws IOException {
+        // handleInput 里先跑鼠标后跑键盘：本屏在 handleMouseInput 里关掉后，同一批
+        // Keyboard.next() 的余下按键仍会派到这个死实例上。缓冲现在只由宿主屏幕帧清，
+        // 死屏喂进来的键会一直攒到下一个 ScaledGuiScreen 打开才冒出来，直接丢掉。
+        if (mc.currentScreen != this) {
+            return;
+        }
         EdgeUi.keyTyped(typedChar, keyCode);
     }
 

src/main/java/top/fpsmaster/utils/render/shader/GradientUtils.java

@@ -82,7 +82,9 @@ public static void drawGradientVertical(float x, float y, float width, float hei
         GL11.glVertex2f(x + width, y + height);
         GL11.glEnd();
 
-        GL11.glShadeModel(7424);
+        // 回到 GL 默认的 SMOOTH（原版 GUI 从不设置 shade model，基线就是它）。
+        // 留 FLAT 会把之后所有逐顶点着色的渐变——比如 ClickGUI 调色板——拍成一块纯色。
+        GL11.glShadeModel(7425);
         GL11.glEnable(3553);
         GL11.glDisable(3042);
         GL11.glEnable(2929);