From 45595651867cb44bd9ec3d2538dc72006dc76579 Mon Sep 17 00:00:00 2001
From: Jason Garner <elevatorguy@gmail.com>
Date: Thu, 13 Oct 2022 12:35:49 -0500
Subject: [PATCH 1/2] Unexpected token

---
 include/transmission.h                | 3 ++-
 scripting/include/transmission_node.h | 2 +-
 src/engine_sim_application.cpp        | 3 ++-
 src/transmission.cpp                  | 3 +++
 4 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/include/transmission.h b/include/transmission.h
index a9625576..be93d156 100644
--- a/include/transmission.h
+++ b/include/transmission.h
@@ -12,6 +12,7 @@ class Transmission {
             int GearCount;
             const double *GearRatios;
             double MaxClutchTorque;
+            bool variable;
         };
 
     public:
@@ -32,9 +33,9 @@ class Transmission {
         inline double getClutchPressure() const { return m_clutchPressure; }
         inline void setDiskPosition(double position) { m_diskPosition = clamp(position); }
         inline double getDiskPosition() const { return m_diskPosition; }
-        void enableSlidingDisk();
         inline bool isVariable() { return maySlide; }
     protected:
+        void enableSlidingDisk();
         atg_scs::ClutchConstraint m_clutchConstraint;
         atg_scs::RigidBody *m_rotatingMass;
         Vehicle *m_vehicle;
diff --git a/scripting/include/transmission_node.h b/scripting/include/transmission_node.h
index 36952f06..bd622803 100644
--- a/scripting/include/transmission_node.h
+++ b/scripting/include/transmission_node.h
@@ -29,7 +29,7 @@ namespace es_script {
     protected:
         virtual void registerInputs() {
             addInput("max_clutch_torque", &m_parameters.MaxClutchTorque);
-
+            addInput("variable", &m_parameters.variable);
             ObjectReferenceNode<TransmissionNode>::registerInputs();
         }
 
diff --git a/src/engine_sim_application.cpp b/src/engine_sim_application.cpp
index 8c862b60..b8a9ef4a 100644
--- a/src/engine_sim_application.cpp
+++ b/src/engine_sim_application.cpp
@@ -760,7 +760,7 @@ void EngineSimApplication::processEngineInput() {
         fineControlInUse = true;
     }
     else if (m_engine.IsKeyDown(ysKey::Code::J)) {
-        (*m_transmission).enableSlidingDisk(); //todo: disable
+        if ((*m_transmission).isVariable()) {
         double diskPosition = (*m_transmission).getDiskPosition();
         if (mouseWheelDelta > 0) {
             (*m_transmission).setDiskPosition(diskPosition + 0.01);
@@ -773,6 +773,7 @@ void EngineSimApplication::processEngineInput() {
 
         m_infoCluster->setLogMessage("[J] - T Disk position currently " + std::to_string((int)((1.0-diskPosition)*100))+"%");
         fineControlInUse = true;
+        }
     }
 
     const double prevTargetThrottle = m_targetSpeedSetting;
diff --git a/src/transmission.cpp b/src/transmission.cpp
index 7ed45768..560bd91d 100644
--- a/src/transmission.cpp
+++ b/src/transmission.cpp
@@ -38,6 +38,9 @@ void Transmission::initialize(const Parameters &params) {
         m_diskMax = m_gearRatios[0];
         m_diskMin = m_gearRatios[params.GearCount - 1];
     }
+    if (params.variable) {
+        enableSlidingDisk();
+    }
 }
 
 void Transmission::update(double dt) {

From e55992d28c69bfc5982250e3802accf6c8e3fb3e Mon Sep 17 00:00:00 2001
From: Jason Garner <elevatorguy@gmail.com>
Date: Thu, 20 Oct 2022 14:26:40 -0500
Subject: [PATCH 2/2] untested

---
 es/objects/objects.mr | 1 +
 1 file changed, 1 insertion(+)

diff --git a/es/objects/objects.mr b/es/objects/objects.mr
index c6dade81..c5d2b4ff 100644
--- a/es/objects/objects.mr
+++ b/es/objects/objects.mr
@@ -604,5 +604,6 @@ public node vehicle => __engine_sim__vehicle {
 
 public node transmission => __engine_sim__transmission {
     input max_clutch_torque [float]: 1000 * units.lb_ft;
+    input variable [bool]: false;
     alias output __out [transmission_channel];
 }