From e6d2125e077aba4f0fe2bcee9b0caa01bf388b70 Mon Sep 17 00:00:00 2001
From: GaLi <3096147684@qq.com>
Date: Fri, 22 Aug 2025 13:41:06 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E4=BF=AE=E4=BF=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../mixin/ae2/AEBaseScreenMixin.java          | 102 ++++++++++++++++++
 .../extendedae/GuiExPatternProviderMixin.java |   6 +-
 .../resources/extendedae_plus.mixins.json     |   1 +
 3 files changed, 108 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/com/extendedae_plus/mixin/ae2/AEBaseScreenMixin.java

diff --git a/src/main/java/com/extendedae_plus/mixin/ae2/AEBaseScreenMixin.java b/src/main/java/com/extendedae_plus/mixin/ae2/AEBaseScreenMixin.java
new file mode 100644
index 0000000..aca8dbb
--- /dev/null
+++ b/src/main/java/com/extendedae_plus/mixin/ae2/AEBaseScreenMixin.java
@@ -0,0 +1,102 @@
+package com.extendedae_plus.mixin.ae2;
+
+import appeng.client.gui.AEBaseScreen;
+import appeng.client.gui.style.PaletteColor;
+import appeng.client.gui.style.ScreenStyle;
+import com.extendedae_plus.api.ExPatternPageAccessor;
+import com.glodblock.github.extendedae.client.gui.GuiExPatternProvider;
+import net.minecraft.client.gui.Font;
+import net.minecraft.client.gui.GuiGraphics;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(AEBaseScreen.class)
+public abstract class AEBaseScreenMixin {
+
+    @Unique
+    private ScreenStyle eap$getStyle(Object self) {
+        try {
+            var f = self.getClass().getDeclaredField("style");
+            f.setAccessible(true);
+            Object v = f.get(self);
+            if (v instanceof ScreenStyle s) return s;
+        } catch (Throwable ignored) {}
+        return null;
+    }
+
+    @Unique
+    private static int eap$getIntField(Object self, String name, int def) {
+        Class<?> c = self.getClass();
+        while (c != null && c != Object.class) {
+            try {
+                var f = c.getDeclaredField(name);
+                f.setAccessible(true);
+                Object v = f.get(self);
+                if (v instanceof Integer i) return i;
+            } catch (Throwable ignored) {}
+            c = c.getSuperclass();
+        }
+        return def;
+    }
+
+    @Unique
+    private static Font eap$getFont(Object self) {
+        Class<?> c = self.getClass();
+        while (c != null && c != Object.class) {
+            try {
+                var f = c.getDeclaredField("font");
+                f.setAccessible(true);
+                Object v = f.get(self);
+                if (v instanceof Font font) return font;
+            } catch (Throwable ignored) {}
+            c = c.getSuperclass();
+        }
+        return net.minecraft.client.Minecraft.getInstance().font;
+    }
+
+    // 在标签绘制后追加页码绘制，仅限扩展样板供应器界面
+    @Inject(method = "renderLabels", at = @At("TAIL"), remap = false)
+    private void eap$renderPageIndicator(GuiGraphics guiGraphics, int x, int y, CallbackInfo ci) {
+        Object self = this;
+        if (!(self instanceof GuiExPatternProvider)) {
+            return;
+        }
+        int cur = 1;
+        int max = 1;
+        try {
+            if (self instanceof ExPatternPageAccessor accessor) {
+                cur = Math.max(0, accessor.eap$getCurrentPage()) + 1;
+            }
+            // 读取最大页（从 GUI 本地字段）
+            try {
+                var fMax = self.getClass().getDeclaredField("eap$maxPageLocal");
+                fMax.setAccessible(true);
+                Object v = fMax.get(self);
+                if (v instanceof Integer i) {
+                    max = Math.max(1, i);
+                }
+            } catch (Throwable ignored) {}
+
+            ScreenStyle style = eap$getStyle(self);
+            Font font = eap$getFont(self);
+            int leftPos = eap$getIntField(self, "leftPos", 0);
+            int topPos = eap$getIntField(self, "topPos", 0);
+            int imageWidth = eap$getIntField(self, "imageWidth", 0);
+
+            String text = cur + "/" + max;
+            int tx = leftPos + imageWidth - font.width(text) - 6;
+            int ty = topPos + 6;
+            int color = 0xFFFFFFFF;
+            if (style != null) {
+                try {
+                    color = style.getColor(PaletteColor.MUTED_TEXT_COLOR).toARGB();
+                } catch (Throwable ignored) {}
+            }
+            guiGraphics.drawString(font, text, tx, ty, color, false);
+        } catch (Throwable ignored) {
+        }
+    }
+}
diff --git a/src/main/java/com/extendedae_plus/mixin/extendedae/GuiExPatternProviderMixin.java b/src/main/java/com/extendedae_plus/mixin/extendedae/GuiExPatternProviderMixin.java
index 882fe9e..521fccb 100644
--- a/src/main/java/com/extendedae_plus/mixin/extendedae/GuiExPatternProviderMixin.java
+++ b/src/main/java/com/extendedae_plus/mixin/extendedae/GuiExPatternProviderMixin.java
@@ -193,6 +193,7 @@ public abstract class GuiExPatternProviderMixin extends PatternProviderScreen<Co
                 this.hoveredSlot = null;
             }, Icon.ARROW_RIGHT);
 
+            // 恢复到 AE2 左侧工具栏
             this.addToLeftToolbar(this.nextPage);
             this.addToLeftToolbar(this.prevPage);
         }
@@ -242,6 +243,8 @@ public abstract class GuiExPatternProviderMixin extends PatternProviderScreen<Co
         return getCurrentPage();
     }
 
+    // 页码文本绘制移交给 AEBaseScreenMixin.renderLabels 尾部执行
+
     // 注意：不再注入 Screen#init，避免混入在某些映射情况下失败导致 TransformerError
     
     @Override
@@ -270,7 +273,7 @@ public abstract class GuiExPatternProviderMixin extends PatternProviderScreen<Co
             this.x5Button.setVisibility(true);
         }
 
-        // 如果屏幕尺寸发生变化（窗口/GUI缩放），重新注册按钮，避免被 Screen.init 清空
+        // 如果屏幕尺寸发生变化（窗口/GUI缩放），重新注册右侧外列的自定义按钮，翻页按钮由左侧工具栏托管
         if (this.width != eap$lastScreenWidth || this.height != eap$lastScreenHeight) {
             eap$lastScreenWidth = this.width;
             eap$lastScreenHeight = this.height;
@@ -306,6 +309,7 @@ public abstract class GuiExPatternProviderMixin extends PatternProviderScreen<Co
         int bx = this.leftPos + this.imageWidth + 1; // 向右平移 1px 到面板外侧
         int by = this.topPos + 20;
         int spacing = 22;
+        // 翻页按钮交由左侧工具栏布局，无需手动定位
         if (this.divideBy2Button != null) {
             this.divideBy2Button.setX(bx);
             this.divideBy2Button.setY(by);
diff --git a/src/main/resources/extendedae_plus.mixins.json b/src/main/resources/extendedae_plus.mixins.json
index 7b3369a..8135002 100644
--- a/src/main/resources/extendedae_plus.mixins.json
+++ b/src/main/resources/extendedae_plus.mixins.json
@@ -4,6 +4,7 @@
   "compatibilityLevel": "JAVA_17",
   "minVersion": "0.8",
   "client": [
+    "ae2.AEBaseScreenMixin",
     "PickFromWirelessMixin",
     "accessor.AbstractContainerScreenAccessor",
     "accessor.ScreenAccessor",