Implement inventory plugin API

This change adds an API to retrieve a read-only copy of the current
inventory and listen for and modify inventory actions.

Closes #90.

1 files changed, 11 insertions, 0 deletions

diff --git a/process.go b/process.go
index 1d8263f..b7623b5 100644
--- a/process.go
+++ b/process.go
@@ -484,6 +484,17 @@ func (cc *ClientConn) process(pkt mt.Pkt) {
 	case *mt.ToSrvCltInfo:
 		// Store for any future hops (need to send it to the new server).
 		cc.cltInfo = cmd
+	case *mt.ToSrvInvAction:
+		onInvActionMu.RLock()
+		defer onInvActionMu.RUnlock()
+
+		for _, handler := range onInvAction {
+			cmd.Action = handler(cc, cmd.Action)
+		}
+
+		if cmd.Action == "" {
+			return
+		}
 	case *mt.ToSrvInvFields:
 		if handleOnPlayerReceiveFields(cc, cmd) {
 			return