ClickEvent and HoverEvent support of /chat package

chat/hoverevent.go

@@ -0,0 +1,34 @@
+package chat
+
+// HoverEvent defines an event that occurs when this component hovered over.
+type HoverEvent struct {
+	Action string  `json:"action"`
+	Value  Message `json:"value"`
+}
+
+// ShowText show the text to display.
+func ShowText(text Message) *HoverEvent {
+	return &HoverEvent{
+		Action: "show_text",
+		Value:  text,
+	}
+}
+
+// ShowItem show the item to display.
+// Item is encoded as the S-NBT format, nbt.StringifiedMessage could help.
+// See: https://wiki.vg/Chat#:~:text=show_item,in%20red%20instead.
+func ShowItem(item string) *HoverEvent {
+	return &HoverEvent{
+		Action: "show_item",
+		Value:  Text(item),
+	}
+}
+
+// ShowEntity show an entity describing by the S-NBT, nbt.StringifiedMessage could help.
+// See: https://wiki.vg/Chat#:~:text=show_entity,given%20entity%20loaded.
+func ShowEntity(entity string) *HoverEvent {
+	return &HoverEvent{
+		Action: "show_entity",
+		Value:  Text(entity),
+	}
+}