1 files changed, 45 insertions, 0 deletions
diff --git a/plugin_inv.go b/plugin_inv.go
new file mode 100644
index 0000000..6a8ffa5
--- /dev/null
+++ b/plugin_inv.go
@@ -0,0 +1,45 @@
+package proxy
+
+import (
+	"bytes"
+	"sync"
+
+	"github.com/HimbeerserverDE/mt"
+)
+
+var (
+	onInvAction   []func(*ClientConn, string) string
+	onInvActionMu sync.RWMutex
+)
+
+// Inv returns a copy of the current server-provided inventory of the client
+// or nil if the client is not connected to a server.
+func (cc *ClientConn) Inv() mt.Inv {
+	sc := cc.server()
+	if sc == nil {
+		return nil
+	}
+
+	var ret mt.Inv
+
+	sb := &bytes.Buffer{}
+	sc.inv.Serialize(sb)
+	ret.Deserialize(sb)
+
+	return ret
+}
+
+// RegisterOnInvAction registers a handler that is called
+// when a client attempts to perform an inventory action.
+// The returned string overrides the original action.
+// Later handlers will receive the modified action.
+// Handlers are called in registration order.
+// If the final action string is empty, the action is not forwarded
+// to the upstream server.
+// You may use the mt package to interact with the action strings.
+func RegisterOnInvAction(handler func(*ClientConn, string) string) {
+	onInvActionMu.Lock()
+	defer onInvActionMu.Unlock()
+
+	onInvAction = append(onInvAction, handler)
+}