修改模型切换界面和下载界面

- 添加翻页按钮，方便手机玩家

src/main/java/com/github/tartaricacid/touhoulittlemaid/client/gui/entity/ModelDownloadGui.java

@@ -12,6 +12,7 @@
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiGraphics;
 import net.minecraft.client.gui.components.Button;
+import net.minecraft.client.gui.components.ImageButton;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.client.resources.language.I18n;
 import net.minecraft.network.chat.Component;
@@ -93,6 +94,13 @@ protected void init() {
             }));
         }
 
+        this.addRenderableWidget(new ImageButton(startX + 194 - 21, startY + 1, 8, 10, 128, 224, 10, BG, 484, 256, b -> {
+            this.mouseScrolled(0, 0, 1);
+        }));
+        this.addRenderableWidget(new ImageButton(startX + 194 - 21, startY + 2 + 175, 8, 10, 136, 224, 10, BG, 484, 256, b -> {
+            this.mouseScrolled(0, 0, -1);
+        }));
+
         this.addRenderableWidget(Button.builder(Component.translatable("spectatorMenu.close"), b -> {
             if (minecraft != null) {
                 minecraft.setScreen(null);
@@ -111,7 +119,7 @@ public void render(GuiGraphics graphics, int mouseX, int mouseY, float partialTi
             graphics.drawCenteredString(font, Component.translatable("gui.touhou_little_maid.resources_download.fail.2"), this.width / 2, this.height / 2, 0xfffff);
         } else {
             graphics.blit(BG, middleX - 200, middleY - 85, 0, 0, 400, 200, 484, 256);
-            graphics.blit(BG, middleX - 19, middleY - 77 + (int) (169 * scroll), 400, 0, 4, 15, 484, 256);
+            graphics.blit(BG, middleX - 19, middleY - 66 + (int) (147 * scroll), 400, 0, 4, 15, 484, 256);
             for (int i = 0; i < 4; i++) {
                 graphics.blit(BG, middleX - 196 + (28 * i), middleY - 110, 456, 194, 28, 25, 484, 256);
             }

src/main/java/com/github/tartaricacid/touhoulittlemaid/client/gui/entity/model/AbstractModelGui.java

@@ -118,6 +118,9 @@ public void init() {
 
         // 添加切换模型的按钮
         addModelButton(startX, startY);
+
+        // 模型包翻页
+        addScrollButton(startX, startY);
     }
 
     private void addModelButton(int startX, int startY) {
@@ -147,6 +150,25 @@ private void addModelButton(int startX, int startY) {
         }
     }
 
+    private void addScrollButton(int startX, int startY) {
+        ImageButton upButton = new ImageButton(startX - 256 / 2 + 253, startY - 73, 14, 10, 24, 15, 10, SIDE, b -> {
+            int row = Mth.clamp(getRowIndex() - 1, 0, guiNumber.getRowSize(getPackIndex()));
+            if (row != getRowIndex()) {
+                setRowIndex(row);
+                this.init();
+            }
+        });
+        Button downButton = new ImageButton(startX - 256 / 2 + 253, startY - 73 + 156, 14, 10, 38, 15, 10, SIDE, b -> {
+            int row = Mth.clamp(getRowIndex() + 1, 0, guiNumber.getRowSize(getPackIndex()));
+            if (row != getRowIndex()) {
+                setRowIndex(row);
+                this.init();
+            }
+        });
+        this.addRenderableWidget(upButton);
+        this.addRenderableWidget(downButton);
+    }
+
     private Button.OnPress onModelButtonClick(E modelItem) {
         return (button) -> {
             if (hasShiftDown()) {
@@ -244,11 +266,11 @@ private void drawButton(GuiGraphics graphics, int mouseX, int mouseY, float part
     private void drawScrollSide(GuiGraphics graphics, int middleX, int middleY) {
         if (guiNumber.canScroll(getPackIndex(), getRowIndex())) {
             graphics.blit(SIDE, middleX - 256 / 2 + 254,
-                    middleY - 72 + (int) (149 * guiNumber.getCurrentScroll(getPackIndex(), getRowIndex())),
+                    middleY - 61 + (int) (127 * guiNumber.getCurrentScroll(getPackIndex(), getRowIndex())),
                     24, 0, 12, 15);
         } else {
             graphics.blit(SIDE, middleX - 256 / 2 + 254,
-                    middleY - 72 + (int) (149 * guiNumber.getCurrentScroll(getPackIndex(), getRowIndex())),
+                    middleY - 61 + (int) (127 * guiNumber.getCurrentScroll(getPackIndex(), getRowIndex())),
                     36, 0, 12, 15);
         }
     }