Initialize the varables *before* reading in the configuration file

diff --git a/src/FDM/JSBSim/FGPiston.cpp b/src/FDM/JSBSim/FGPiston.cpp
index c95a86e6066556a7081aac271f88b49290486682..263591e48b7baeaab9843b5e9d1739a2a23ae316 100644 (file)
--- a/src/FDM/JSBSim/FGPiston.cpp
+++ b/src/FDM/JSBSim/FGPiston.cpp
@@ -60,21 +60,6 @@ FGPiston::FGPiston(FGFDMExec* exec, FGConfigFile* Eng_cfg) : FGEngine(exec),
 {
   string token;
 
-  Name = Eng_cfg->GetValue("NAME");
-  Eng_cfg->GetNextConfigLine();
-  while (Eng_cfg->GetValue() != string("/FG_PISTON")) {
-    *Eng_cfg >> token;
-    if      (token == "MINMP") *Eng_cfg >> MinManifoldPressure_inHg;
-    else if (token == "MAXMP") *Eng_cfg >> MaxManifoldPressure_inHg;
-    else if (token == "DISPLACEMENT") *Eng_cfg >> Displacement;
-    else if (token == "MAXHP") *Eng_cfg >> MaxHP;
-    else if (token == "CYCLES") *Eng_cfg >> Cycles;
-    else if (token == "IDLERPM") *Eng_cfg >> IdleRPM;
-    else if (token == "MAXTHROTTLE") *Eng_cfg >> MaxThrottle;
-    else if (token == "MINTHROTTLE") *Eng_cfg >> MinThrottle;
-    else cerr << "Unhandled token in Engine config file: " << token << endl;
-  }
-
   Type = etPiston;
   crank_counter = 0;
   EngineNumber = 0;
@@ -126,6 +111,21 @@ FGPiston::FGPiston(FGFDMExec* exec, FGConfigFile* Eng_cfg) : FGEngine(exec),
   *Power_Mixture_Correlation << 20 <<  74.0;
   *Power_Mixture_Correlation << (14.7/0.6) << 58;
 
+  Name = Eng_cfg->GetValue("NAME");
+  Eng_cfg->GetNextConfigLine();
+  while (Eng_cfg->GetValue() != string("/FG_PISTON")) {
+    *Eng_cfg >> token;
+    if      (token == "MINMP") *Eng_cfg >> MinManifoldPressure_inHg;
+    else if (token == "MAXMP") *Eng_cfg >> MaxManifoldPressure_inHg;
+    else if (token == "DISPLACEMENT") *Eng_cfg >> Displacement;
+    else if (token == "MAXHP") *Eng_cfg >> MaxHP;
+    else if (token == "CYCLES") *Eng_cfg >> Cycles;
+    else if (token == "IDLERPM") *Eng_cfg >> IdleRPM;
+    else if (token == "MAXTHROTTLE") *Eng_cfg >> MaxThrottle;
+    else if (token == "MINTHROTTLE") *Eng_cfg >> MinThrottle;
+    else cerr << "Unhandled token in Engine config file: " << token << endl;
+  }
+
   Debug(0); // Call Debug() routine from constructor if needed
 }