feat: special danmaku by @My-Responsitories

Closes #91
Closes #219
Closes #394
Closes #602
Closes #613

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/danmaku/controller.dart

@@ -38,7 +38,7 @@ class PlDanmakuController {
     if (result['status']) {
       if (result['data'].elems.isNotEmpty) {
         for (DanmakuElem element in result['data'].elems) {
-          if (element.mode == 7) {
+          if (element.mode == 7 && !plPlayerController.showSpecialDanmaku) {
             continue;
           }
           int pos = element.progress ~/ 100; //每0.1秒存储一次

lib/pages/danmaku/view.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:convert';
 
 import 'package:PiliPlus/grpc/dm/v1/dm.pb.dart';
 import 'package:PiliPlus/utils/extension.dart';
@@ -103,22 +104,32 @@ class _PlDanmakuState extends State<PlDanmaku> {
         _plDanmakuController.getCurrentDanmaku(currentPosition);
     if (currentDanmakuList != null) {
       for (DanmakuElem e in currentDanmakuList) {
-        _controller!.addDanmaku(
-          DanmakuContentItem(
-            e.content,
-            color: playerController.blockTypes.contains(6)
-                ? Colors.white
-                : DmUtils.decimalToColor(e.color),
-            type: DmUtils.getPosition(e.mode),
-            isColorful: playerController.showVipDanmaku &&
-                    e.colorful == DmColorfulType.VipGradualColor
-                ? true
-                : null,
-            count: widget.playerController.mergeDanmaku && e.hasAttr()
-                ? e.attr
-                : null,
-          ),
-        );
+        if (e.mode == 7) {
+          _controller!.addDanmaku(
+            SpecialDanmakuContentItem.fromList(
+              DmUtils.decimalToColor(e.color),
+              e.fontsize.toDouble(),
+              jsonDecode(e.content),
+            ),
+          );
+        } else {
+          _controller!.addDanmaku(
+            DanmakuContentItem(
+              e.content,
+              color: playerController.blockTypes.contains(6)
+                  ? Colors.white
+                  : DmUtils.decimalToColor(e.color),
+              type: DmUtils.getPosition(e.mode),
+              isColorful: playerController.showVipDanmaku &&
+                      e.colorful == DmColorfulType.VipGradualColor
+                  ? true
+                  : null,
+              count: widget.playerController.mergeDanmaku && e.hasAttr()
+                  ? e.attr
+                  : null,
+            ),
+          );
+        }
       }
     }
   }

lib/pages/setting/widgets/model.dart

@@ -1837,6 +1837,13 @@ List<SettingsModel> get extraSettings => [
         setKey: SettingBoxKey.showVipDanmaku,
         defaultVal: true,
       ),
+      SettingsModel(
+        settingsType: SettingsType.sw1tch,
+        title: '显示高级弹幕',
+        leading: Icon(MdiIcons.paletteAdvanced),
+        setKey: SettingBoxKey.showSpecialDanmaku,
+        defaultVal: true,
+      ),
       SettingsModel(
         settingsType: SettingsType.sw1tch,
         title: '合并弹幕',