通过反射，改造钩子机制

hook_test.go

@@ -0,0 +1,25 @@
+package engine
+
+import (
+	"fmt"
+	"sync"
+	"testing"
+	"time"
+)
+
+func TestAddHook(t *testing.T) {
+	t.Run(t.Name(), func(t *testing.T) {
+		var wg sync.WaitGroup
+		wg.Add(1)
+		go AddHook("test", func(a, b int) {
+			fmt.Printf("on test,%d,%d", a, b)
+		})
+		go AddHook("done", wg.Done)
+		TriggerHook("test", 2, 10)
+		<-time.After(time.Millisecond * 100)
+		TriggerHook("test", 1, 12)
+		<-time.After(time.Millisecond * 100)
+		TriggerHook("done")
+		wg.Wait()
+	})
+}