Add support for a turbo prop condition lever.

[flightgear.git] / src / FDM / YASim / Engine.hpp

diff --git a/src/FDM/YASim/Engine.hpp b/src/FDM/YASim/Engine.hpp
index edbe15d3d2cb76f10979c0fa1ff147f48e8d4580..8be455507bdd30a79083ab0d6082532250e2d3a8 100644 (file)
--- a/src/FDM/YASim/Engine.hpp
+++ b/src/FDM/YASim/Engine.hpp
@@ -4,6 +4,7 @@
 namespace yasim {
 
 class PistonEngine;
+class TurbineEngine;
 
 //
 // Interface for the "Engine" part of a PropEngine object.  This is a
@@ -15,6 +16,7 @@ class PistonEngine;
 class Engine {
 public:
     virtual PistonEngine* isPistonEngine() { return 0; }
+    virtual TurbineEngine* isTurbineEngine() { return 0; }
 
     void setThrottle(float throttle) { _throttle = throttle; }
     void setStarter(bool starter) { _starter = starter; }
@@ -28,6 +30,8 @@ public:
     virtual bool isCranking() { return false; }
 
     virtual void calc(float pressure, float temp, float speed) = 0;
+    virtual void stabilize() {}
+    virtual void integrate(float dt) {}
     virtual float getTorque() = 0;
     virtual float getFuelFlow() = 0;