GWR Crane 16 Details

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(Crane Controls Added)
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   </body>
 
   </body>
 
  </html>
 
  </html>
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 +
 +
The above UI.html file produces the following minibrowser in Trainz:
 +
 +
[[File:GMax_Skin_Modifier_Crane_Controls1.jpg]]

Revision as of 22:44, 21 August 2012

Config.txt

Here is the Config.txt for the GWR Crane 16 Asset.

kuid                                    <kuid:329364:1613>
username                                "GWR Crane 16"
kind                                    "traincar"
trainz-build                            3.3
engine                                  1
enginespec                              <kuid:329364:1563>
enginesound                             <kuid2:126323:53050:1>
hornsound                               <kuid:30992:54000>
script                                  "crane"
class                                   "crane"
  
mesh-table
{
  default
  {
    mesh                                "body.im"
    auto-create                         1
    anim                                "slewing.kin"
  }
 
  jib
  {
    mesh                                "jib.im"
    auto-create                         1
    att-parent                          "default"
    att                                 "a.cranepivot"
    anim                                "jib.kin"
  }
 
  crane
  {
    mesh                                "crane.im"
    auto-create                         1
    att-parent                          "default"
    att                                 "a.cranepivot"
    anim                                "donkey.kin"
  }
 
  hook
  {
    mesh                                "hook.im"
    auto-create                         1
    att-parent                          "jib"
    att                                 "a.rope"
    anim                                "hook.kin"
  }
}
  
bogeys
{
  0
  {
    bogey                               <kuid:-10:149>
  }
 
  1
  {
    bogey                               <kuid:-10:149>
  }
  
  2
  {
    bogey                               <kuid:329364:1610>
  }
 
  3
  {
    bogey                               <kuid:329364:1612>
    sideplay-permitted                  1
  }
}
mass                                    60000
category-class                          "AT"
category-era                            "1890s;1900s;1910s"
category-region                         "00"
description                             "Reproduction of Crane 16 from GWR plan website."
  
kuid-table
{
  0                                     <kuid:-10:149>
  1                                     <kuid:30992:54000>
  2                                     <kuid:329364:1563>
  3                                     <kuid:329364:1610>
  4                                     <kuid:329364:1612>
  5                                     <kuid2:126323:53050:1>
}


Crane.gs Script

The script to control the crane and to provide a user interface is as follows:

// crane.gs
// Author: Peter Villaume 2011
// A script for loco mounted crane.  By pressing the pantograph button, a control panel
// for the crane is presented.  The user can raise and lower the hook and jib, and can
// slew the crane.
  
// Product objects may be attached to the hook by altering the config.txt. NOT YET!!!
  
  
include "locomotive.gs"
include "world.gs"
include "train.gs"
  
class crane isclass Locomotive
{
  
bool DeRailed = false;
bool FirstTime;
  
thread void VehicleMonitor(void);
thread void ScanBrowser(void);
  
  
// Private methods
void ConstructBrowser();
void CraneHome();
void sniffMyTrain(void);
  
// Private attributes
Browser browser;
Train myTrain;
  
  
public void Init(void)
{
       inherited();
  
       if(me.GetMyTrain())
       {
     
         sniffMyTrain();                     // resets myTrain
         myTrain.SetPantographState(0);      // start with panto down.  Any value for pantograph
                                             // greater than 0 will cause the crane control browser
                                             // to be opened.
         FirstTime = true;
  
         VehicleMonitor();
       }
       else
       Interface.Log("No Crane Loco detected - script stopped");
}
  
thread void VehicleMonitor()
{                                // runs continuously
   bool donkey = false;
   bool AI_on = false;
   int panto;
   sniffMyTrain();               // resets myTrain..
   panto = myTrain.GetPantographState();
   if (panto>0) myTrain.SetPantographState(0);
  
   while (! DeRailed)
    {
       sniffMyTrain();
       // pantographs are automatically raised whenever the train is set to run in AI.
       // We need to ignore this so check if AI is on. (or manual control is off)
       // The crane is a steam loco so pantograph should be down when in manual control.
       if (AI_on and (myTrain.GetAutopilotMode() == Train.CONTROL_MANUAL))
       {
         AI_on = false;
         myTrain.SetPantographState(0);
       }
       if (myTrain.GetTrainVelocity() != 0.0) browser = null;  // close browser if train is moving
  
  
       panto = myTrain.GetPantographState();
       if ((myTrain.GetAutopilotMode() == Train.CONTROL_MANUAL) and (panto>0) and (myTrain.GetVelocity() == 0.0))
       {
         myTrain.SetPantographState(0);
  
         ConstructBrowser();
         Sleep(0.5);
         if (FirstTime)
         {
           FirstTime = false;
           ScanBrowser();
         }
       }
       if (myTrain.GetAutopilotMode() != Train.CONTROL_MANUAL) AI_on = true;
       Sleep(0.5);
    }
 }
  
 thread void ScanBrowser()
 {
   bool jibbing = false;
   bool hoisting = false;
   bool slewing = false;
   Message msg;
  
   wait()
     {
         on "Vehicle", "Derailed", msg:
         {
         if(msg.src == me)
            {
              //Interface.Log("VehicleMonitor: I am derailed");
              DeRailed = true;
            }
         }
  
  
         on "Browser-URL", "live://crane-raisehook", msg:	 // if browser link Raise Jib is clicked
  
         if ( browser and msg.src == browser )
         {
           hoisting = !hoisting;                                // toggle hoisting.
           SetMeshAnimationSpeed("crane",-1);                   // run both animations in reverse
           SetMeshAnimationSpeed("hook",-0.25);
           if (hoisting)
           {
             StartMeshAnimationLoop("crane");
             StartMeshAnimationLoop("hook");
           }
           else
           {
             if (!slewing and !jibbing) StopMeshAnimation("crane");
             StopMeshAnimation("hook");
           }
         }
         msg.src = null;                                        // clear message source to avoid confusion
         continue;
  
  
         on "Browser-URL", "live://crane-lowerhook", msg:	 // if browser link Lower Jib is clicked
  
         if ( browser and msg.src == browser )
          {
           hoisting = !hoisting;                                // toggle hoisting.
           SetMeshAnimationSpeed("crane",1);
           SetMeshAnimationSpeed("hook",0.25);
           if (hoisting)
           {
             StartMeshAnimationLoop("crane");
             StartMeshAnimationLoop("hook");
           }
           else
           {
             if (!slewing and !jibbing) StopMeshAnimation("crane");
             StopMeshAnimation("hook");
           }
          }
          msg.src = null; 					 // clear message source to avoid confusion
          continue;
  
  
         on "Browser-URL", "live://crane-raisejib", msg:	 // if browser link Raise Jib is clicked
         if ( browser and msg.src == browser )
         {
           jibbing = !jibbing;	                                 // toggle jibbing.
           SetMeshAnimationSpeed("crane",1);
           SetMeshAnimationSpeed("jib",0.25);
           if (jibbing)
           {
             StartMeshAnimationLoop("crane");
             StartMeshAnimationLoop("jib");
           }
           else
           {
             if (!slewing and !hoisting) StopMeshAnimation("crane");
             StopMeshAnimation("jib");
           }
         }
            msg.src = null; 					 // clear message source to avoid confusion
            continue;
  
         on "Browser-URL", "live://crane-lowerjib", msg:	 // if browser link Lower Jib is clicked
         if ( browser and msg.src == browser )
         {
           jibbing = !jibbing;	                                 // toggle jibbing.
           SetMeshAnimationSpeed("crane",-1);
           SetMeshAnimationSpeed("jib",-0.25);
           if (jibbing)
           {
             StartMeshAnimationLoop("crane");
             StartMeshAnimationLoop("jib");
           }
           else
           {
             if (!slewing and !hoisting) StopMeshAnimation("crane");
             StopMeshAnimation("jib");
           }
         }
            msg.src = null; 				         // clear message source to avoid confusion
            continue;
  
  
         on "Browser-URL", "live://crane-slewleft", msg:	 // if browser link Slew Left is clicked
         if ( browser and msg.src == browser )
         {
           slewing = !slewing;	                                 // toggle slewing.
           SetMeshAnimationSpeed("default",0.125);
           SetMeshAnimationSpeed("crane",1);
           if (slewing)
           {
             StartMeshAnimationLoop("crane");
             StartMeshAnimationLoop("default");
           }
           else
           {
             if (!jibbing and !hoisting) StopMeshAnimation("crane");
             StopMeshAnimation("default");
           }
         }
            msg.src = null; 					 // clear message source to avoid confusion
            continue;
  
         on "Browser-URL", "live://crane-slewright", msg:	 // if browser link Slew Right is clicked
         if ( browser and msg.src == browser )
         {
           slewing = !slewing;	                                 // toggle slewing.
           SetMeshAnimationSpeed("default",-0.125);             // set animation to run in reverse
           SetMeshAnimationSpeed("crane",-1);
           if (slewing)
           {
             StartMeshAnimationLoop("crane");
             StartMeshAnimationLoop("default");
           }
           else
           {
             if (!jibbing and !hoisting) StopMeshAnimation("crane");
             StopMeshAnimation("default");
           }
         }
            msg.src = null; 				         // clear message source to avoid confusion
            continue;
  
  
         on "Browser-URL", "live://crane-home", msg:	         // if browser link crane home is clicked
            if ( browser and msg.src == browser ) CraneHome();
  
            msg.src = null;				         // clear message source to avoid confusion
            continue;
  
  
         on "Browser-Closed", "", msg:	                         // if browser is Closed
             if ( browser and msg.src == browser ) browser = null;
  
            msg.src = null;				         // clear message source to avoid confusion
//               CraneHome();
            continue;
         Sleep(0.5);
     }
}
  
   // listen to messages from my train only - also handles clearing up sniffs on old train
   // The variable myTrain changes whenever there is a coupling or decoupling event.
  
   void sniffMyTrain() {
       Train oldTrain = myTrain;
       myTrain = me.GetMyTrain();
  
       if (oldTrain) {
          if (oldTrain != myTrain) {
              Sniff(oldTrain, "Train", "", false);
              Sniff(myTrain, "Train", "", true);
          }
       } else {
          Sniff(myTrain, "Train", "", true);
       }
   }
  
  
   void CraneHome()
   {
      if ((GetMeshAnimationFrame("hook")!=0) or (GetMeshAnimationFrame("jib")!=0) or (GetMeshAnimationFrame("body")!=0))
      {
        StartMeshAnimationLoop("crane");                  // firstly raise hook
        float frame = GetMeshAnimationFrame("hook");      // check no of frames to travel
        float ttime = frame * 8.0 / 60.0;                 // calculate travel time
        SetMeshAnimationFrame("hook",0, ttime);           // now raise hook.
        ttime = ttime + 1;
        Sleep(ttime);                                     // wait for hook to reach top
  
        frame = GetMeshAnimationFrame("jib")- 30;         // secondly, lower jib to frame 30
        if (frame<0) frame = -frame;
        ttime = frame * 8.0 / 60.0;                       // calculate travel time
        SetMeshAnimationFrame("jib",30, ttime);           // move the jib to frame 30.
        ttime = ttime + 1;
        Sleep(ttime);                                     // wait for jib to travel
  
        frame = GetMeshAnimationFrame("default");         // get slewing position.
        if (frame>90)                                     // if greater than halfway around
        {                                                 // set to travel shortest way back
          frame = 179 - frame;
          ttime = frame * 8.0 / 30.0;
          SetMeshAnimationSpeed("default",0.125);         // set slew animation to rotate forward
          StartMeshAnimationLoop("default");              // start slew animation
          Sleep(1);
          while (GetMeshAnimationFrame("default") > 20) Sleep(1); // check if passed rest position
          StopMeshAnimation("default");                   // stop slew animation
          Sleep(1);
        }
        frame = GetMeshAnimationFrame("default");         // get slew position..jib should be on left side if loco
        ttime = frame * 8.0 / 30.0;                       // calculate slewing travel time
        SetMeshAnimationFrame("default",0, ttime);        // slew to rest position (frame 0)
        ttime = ttime + 1;
        Sleep(ttime);                                     // wait for slewing travel
  
        SetMeshAnimationFrame("jib",0,4);                 // lower jib to rest position
        Sleep(5);
        StopMeshAnimation("crane");                       // tunr off donkey engine animation
      }
   }
  
  void ConstructBrowser()
  {
       browser = null;
       if ( !browser )	browser = Constructors. NewBrowser();
     
       browser.SetCloseEnabled(true);
       browser.SetWindowPosition(Interface.GetDisplayWidth()-240, Interface.GetDisplayHeight() - 300);
       browser.SetWindowSize(200, 140);
//     browser.SetWindowTitle("Crane");
//     browser.SetWindowStyle(Browser.STYLE_NO_FRAME);
       browser.SetWindowVisible(true);
       browser.LoadHTMLFile(GetAsset(), "ui.html");
  }
  
  
    public string GetDescriptionHTML(void)
    {
       string html = inherited();
       html = html + "<table><tr><td><img src='PEV.tga' width=350 height=50>";
       html = html + "</td></tr><tr><td>"
       + "<font color=#FFFFFF size=1>"
       + "<b>OPERATION</b><br></font>"
       + "<font color=#000000 size=1>"
       + "The crane controls are enabled by pressing the Pantographs "
       + "button when the Crane Loco is selected when stationary. "
       + "The slewing, jib raise-lower and hook raise-lower are "
       + "controlled by clicking on the appropriate the arrow buttons.<br>"
       + "To move the loco on the track again, close the "
       + "crane controls display."
       + "<br><br>"
       + "<font color=#FFFFFF size=1>"
       + "<b>CONFIGURATION</b><br></font>"
       + "<font color=#000000 size=1>"
       + "None required.";
       html = html + "</font></td></tr></table></body></html>";
       return html;
    }
  
};


UI.html

This is the html file that creates the user interface:

<!-- Crane Controls in mini browser -->
<html>
   <body>
   <table>
         <tr>
           <td width>
              <font>Crane Controls</font>
           </td>
        </tr>
  
  
        <tr>
           <td width=80>
              <font>Hoist</font>
              </td>
           <td width=40>
           <a href='live://crane-raisehook' tooltip='Raise Hook'><img src='grey_arrow_up.tga' width=24 height=24></a>
            </td>
           <td>
           <a href='live://crane-lowerhook' tooltip='Lower Hook'><img src='grey_arrow_down.tga' width=24 height=24></a>
            </td>
        </tr>
  
  
        <tr>
           <td width=80>
              <font>Jib<br><br></font>
           </td>
           <td width=40>
           <a href='live://crane-raisejib' tooltip='Raise Jib'><img src='blue_arrow_up.tga' width=24 height=24></a>
           </td>
           <td>
           <a href='live://crane-lowerjib' tooltip='Lower Jib'><img src='blue_arrow_down.tga' width=24 height=24></a>
           </td>
        </tr>
  
         <tr>
           <td width=80>
              <font>Slew</font>
           </td>
           <td width=40>
           <a href='live://crane-slewleft' tooltip='Slew Left'><img src='green_arrow_left.tga' width=24 height=24></a>
           </td>
           <td>
           <a href='live://crane-slewright' tooltip='Slew Right'><img src='green_arrow_right.tga' width=24 height=24></a>
           </td>
        </tr>
  
         <tr>
           <td width=80><a href='live://crane-home' tooltip='return crane to home position'><font>Crane Home</font></a></td>
           <td width=40></td>
           <td></td>
        </tr>
  
     </table>
  </body>
</html>


The above UI.html file produces the following minibrowser in Trainz:

GMax Skin Modifier Crane Controls1.jpg

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