[webthrottle] Added option for immediate speed control, bypassing acceleration/deceleration.

server/src/hardware/throttle/throttle.cpp

@@ -87,14 +87,21 @@ Throttle::Throttle(World& world, std::string_view _id)
         return false;
       }}
   , stop{*this, "stop",
-      [this]()
+      [this](bool immediate)
       {
         if(acquired())
         {
           if(train)
           {
             train->emergencyStop = false;
-            train->stop();
+            if(immediate)
+            {
+              train->setSpeed(*this, 0.0);
+            }
+            else
+            {
+              train->setTargetSpeed(*this, 0.0);
+            }
           }
           if(m_decoder)
           {
@@ -106,32 +113,50 @@ Throttle::Throttle(World& world, std::string_view _id)
         return false;
       }}
   , faster{*this, "faster",
-      [this]()
+      [this](bool immediate)
       {
         if(acquired())
         {
           if(train)
           {
-            const double value = train->throttleSpeed.value();
-            const double step = getValueStep(value, train->throttleSpeed.unit());
             train->emergencyStop = false;
-            train->setTargetSpeed(*this, valueStepUp(value, step));
+            if(immediate)
+            {
+              const double value = train->speed.value();
+              const double step = getValueStep(value, train->speed.unit());
+              train->setSpeed(*this, valueStepUp(value, step));
+            }
+            else
+            {
+              const double value = train->throttleSpeed.value();
+              const double step = getValueStep(value, train->throttleSpeed.unit());
+              train->setTargetSpeed(*this, valueStepUp(value, step));
+            }
           }
           return true;
         }
         return false;
       }}
   , slower{*this, "slower",
-      [this]()
+      [this](bool immediate)
       {
         if(acquired())
         {
           if(train)
           {
-            const double value = train->throttleSpeed.value();
-            const double step = getValueStep(value, train->throttleSpeed.unit());
             train->emergencyStop = false;
-            train->setTargetSpeed(*this, valueStepDown(value, step));
+            if(immediate)
+            {
+              const double value = train->speed.value();
+              const double step = getValueStep(value, train->speed.unit());
+              train->setSpeed(*this, valueStepDown(value, step));
+            }
+            else
+            {
+              const double value = train->throttleSpeed.value();
+              const double step = getValueStep(value, train->throttleSpeed.unit());
+              train->setTargetSpeed(*this, valueStepDown(value, step));
+            }
           }
           return true;
         }

server/src/hardware/throttle/throttle.hpp

@@ -72,9 +72,9 @@ class Throttle : public IdObject
     Property<float> throttle;
     ObjectProperty<Train> train;
     Method<bool()> emergencyStop;
-    Method<bool()> stop;
+    Method<bool(bool)> stop;
-    Method<bool()> faster;
+    Method<bool(bool)> faster;
-    Method<bool()> slower;
+    Method<bool(bool)> slower;
     Method<bool(Direction)> setDirection;
 
 #ifndef NDEBUG

server/src/network/webthrottleconnection.cpp

@@ -301,15 +301,15 @@ void WebThrottleConnection::processMessage(const nlohmann::json& message)
       }
       else if(action == "stop")
       {
-        throttle->stop();
+        throttle->stop(message.value("immediate", false));
       }
       else if(action == "faster")
       {
-        throttle->faster();
+        throttle->faster(message.value("immediate", false));
       }
       else if(action == "slower")
       {
-        throttle->slower();
+        throttle->slower(message.value("immediate", false));
       }
       else if(action == "reverse" || action == "forward")
       {

server/src/train/train.cpp

@@ -501,6 +501,30 @@ std::error_code Train::release(Throttle& throttle)
   return {};
 }
 
+std::error_code Train::setSpeed(Throttle& throttle, double value)
+{
+  if(m_throttle.get() != &throttle)
+  {
+    return make_error_code(TrainError::InvalidThrottle);
+  }
+  assert(active);
+
+  value = std::clamp(value, Attributes::getMin(speed), Attributes::getMax(speed));
+
+  setSpeed(convertUnit(value, speed.unit(), SpeedUnit::KiloMeterPerHour));
+  throttleSpeed.setValue(convertUnit(value, speed.unit(), throttleSpeed.unit()));
+  m_speedTimer.cancel();
+  m_speedState = SpeedState::Idle;
+
+  const bool currentValue = isStopped;
+  isStopped.setValueInternal(m_speedState == SpeedState::Idle && almostZero(speed.value()) && almostZero(throttleSpeed.value()));
+  if(currentValue != isStopped)
+  {
+    updateEnabled();
+  }
+  return {};
+}
+
 std::error_code Train::setTargetSpeed(Throttle& throttle, double value)
 {
   if(m_throttle.get() != &throttle)

server/src/train/train.hpp

@@ -124,6 +124,7 @@ class Train : public IdObject
     std::string throttleName() const;
     std::error_code acquire(Throttle& throttle, bool steal = false);
     std::error_code release(Throttle& throttle);
+    std::error_code setSpeed(Throttle& throttle, double value);
     std::error_code setTargetSpeed(Throttle& throttle, double value);
     std::error_code setDirection(Throttle& throttle, Direction value);
 

server/www/js/throttle.js

@@ -35,10 +35,15 @@ function Throttle(parent, id)
     e.setAttribute('action', action);
     e.onclick = function ()
     {
-      tm.send({
+      var msg = {
         'throttle_id': parseInt(this.getAttribute('throttle-id')),
         'action': this.getAttribute('action'),
-      });
+      };
+      if(msg.action == 'faster' || msg.action == 'slower' || msg.action == 'stop')
+      {
+        msg.immediate = localStorage.immediateSpeedControl != 'false';
+      }
+      tm.send(msg);
     };
     return e;
   };
@@ -331,6 +336,10 @@ var tm = new function ()
     {
       document.getElementById('stop_train_on_release').value = localStorage.throttleStopOnRelease;
     }
+    if(localStorage.immediateSpeedControl)
+    {
+      document.getElementById('immediate_speed_control').value = localStorage.immediateSpeedControl;
+    }
 
     document.getElementById('open_settings').onclick = function ()
     {
@@ -348,7 +357,8 @@ var tm = new function ()
     document.getElementById('close_settings').onclick = function ()
     {
       localStorage.throttleName = document.getElementById('throttle_name').value;
-      localStorage.throttleStopOnRelease = document.getElementById('stop_train_on_release').value == 'on';
+      localStorage.throttleStopOnRelease = document.getElementById('stop_train_on_release').checked;
+      localStorage.immediateSpeedControl = document.getElementById('immediate_speed_control').checked;
       document.getElementById('settings').classList.add('hide');
       tm.connect();
     };

server/www/throttle.html

@@ -24,6 +24,10 @@
         <label class="flex-resize">Stop train on release</label>
         <input class="toggle_switch" type="checkbox" id="stop_train_on_release" checked="checked"><label class="toggle_switch" for="stop_train_on_release"></label>
       </div>
+      <div class="flex-row">
+        <label class="flex-resize">Immediate speed control</label>
+        <input class="toggle_switch" type="checkbox" id="immediate_speed_control" checked="checked"><label class="toggle_switch" for="immediate_speed_control"></label>
+      </div>
       <div class="text-center">
         <button id="close_settings">Close</button>
       </div>