1 files changed, 19 insertions, 0 deletions
diff --git a/src/environment.h b/src/environment.h
index e32b15dbb..ac290f932 100644
--- a/src/environment.h
+++ b/src/environment.h
@@ -113,6 +113,25 @@ private:
 };
 
 /*
+	Active block modifier interface
+*/
+
+class ServerEnvironment;
+
+class ActiveBlockModifier
+{
+public:
+	ActiveBlockModifier(){};
+	virtual ~ActiveBlockModifier(){};
+	
+	virtual u32 getTriggerContentCount(){ return 1;}
+	virtual u8 getTriggerContent(u32 i) = 0;
+	virtual float getActiveInterval() = 0;
+	virtual u32 getActiveChance() = 0;
+	virtual void triggerEvent(ServerEnvironment *env, v3s16 p) = 0;
+};
+
+/*
 	The server-side environment.
 
 	This is not thread-safe. Server uses an environment mutex.