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Old 02-01-2009, 04:01 PM
Crow Crow is offline
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Status Bars! Oh my goodness..

Thought I would create something useful for other developers. You know, we have every kind of different GUI controls, just nothing useful for status bars (like health bars). So I created exactly that. Well, can't be used like a GUI control, but it's created using a GuiShowImg control, so you can easily add it to a GUI control based interface. A little inspiration for this came from WoW's Lua API.

So, anyway, here goes. I suggest you read everything in this thread if you want to use this.

class statusbar:
PHP Code:
//#CLIENTSIDE
public function CreateBar(barNamebarParent) {
  if (
this.barName != nil || makevar(barName) != nil)
    return 
false;
  
  
this.barName barName;
  
this.barTexture "white.png";
  
this.barColors = { 111};
  
this.barWidth 16;
  
this.barHeight 16;
  
this.barValue 1;
  
this.barRange = { 0};
  
  new 
GuiShowImgCtrl(makevar(barName)) {
    
0;
    
0;
    
width thiso.barWidth;
    
height thiso.barHeight;
    
    
polygon = { 00,
                
thiso.barWidth0,
                
thiso.barWidththiso.barHeight,
                
0thiso.barHeight };
    
    
red thiso.barColors[0];
    
green thiso.barColors[1];
    
blue thiso.barColors[2];
    
alpha thiso.barColors[3];
    
mode 1;
  }
  
  if (
makevar(barParent) != nil)
    
makevar(barParent).addControl(makevar(barName));
  
  
makevar("z_" barName) = this;
  return 
true;
}



//update functions
//update the poly of the status bar
function updatePoly() {
  
temp.= (this.barValue this.barRange[1]);
  
with (makevar(this.barName)) {
    
width thiso.barWidth;
    
height thiso.barHeight;
    
polygon = { 00,
                
width temp.w0,
                
width temp.wheight,
                
0height };
    
    
partx 0;
    
party 0;
    
partw getImgWidth(thiso.barTexture) * temp.w;
    
parth getImgHeight(thiso.barTexture);
  }
}


//update the value of the status bar
function updateValue() {
  if (
this.barValue this.barRange[1])
    
this.barValue this.barRange[1];
  else if (
this.barValue this.barRange[0])
    
this.barValue this.barRange[0];

  
updatePoly();
}

//update the texture of the status bar
function updateTexture() {
  
with (makevar(this.barName))
    
image thiso.barTexture;
}

//update the color of the status bar
function updateColor() {
  
with (makevar(this.barName)) {
    
red thiso.barColor[0];
    
green thiso.barColor[1];
    
blue thiso.barColor[2];
    
alpha thiso.barColor[3];
  }
}
//updates end



//get and set the parent
public function GetParent()
  return 
makevar(this.barName).getparent();

public function 
SetParent(np) {
  if (
makevar(np) == nil)
    return 
false;
  
  
makevar(np).addControl(makevar(this.barName));
  return 
true;
}
//parent funcs end


//get and set the value
public function GetValue()
  return 
this.barValue;

public function 
SetValue(nv) {
  
this.barValue = (nv nv);
  
updateValue();
  return 
true;
}
//value funcs end


//get and set the range
public function GetRange()
  return 
this.barRange;

public function 
SetRange(mirmar) {
  
this.barRange = { (mir int(mir)), (mar int(mar)) };
  
updateValue();
  return 
true;
}
//range funcs end


//get and set the texture
public function GetTexture()
  return 
this.barTexture;

public function 
SetTexture(nt) {
  
this.barTexture nt;
  
updateTexture();
  return 
true;
}
//texture funcs end


//get and set the color
public function GetColor()
  return 
this.barColor;

public function 
SetColor(rgba) {
  
this.barColor = { rgb};
  
updateColor();
  return 
true;
}
//color funcs end


//get and set the dimensions
public function GetWidth()
  return 
this.barWidth;

public function 
GetHeight()
  return 
this.barHeight;

public function 
SetWidth(nw) {
  
this.barWidth int(nw);
  
updatePoly();
  return 
true;
}

public function 
SetHeight(nh) {
  
this.barHeight int(nh);
  
updatePoly();
  return 
true;
}
//dimension funcs end


//get and set the coordinates
public function GetX()
  return 
makevar(this.barName).x;

public function 
GetY()
  return 
makevar(this.barName).y;

public function 
SetX(nx) {
  
makevar(this.barName).int(nx);
  return 
true;
}

public function 
SetY(ny) {
  
makevar(this.barName).int(ny);
  return 
true;
}
//coord funcs end


//return the object type
public function objecttype()
  return 
"TStatusBar"
To make use of the code, add the following to a system wnpc or basically any other wnpc players normally have:
PHP Code:
//#CLIENTSIDE 
function onCreated() { 
  
this.sb = new TStaticVar("TStatusBar"); 
  
this.sb.join("statusbar"); 

Then you can do the following anywhere to create a new status bar:
PHP Code:
this.bar = new TStatusBar() 
Of course, it's up to you how you name the variable.


Here's a simple usage example:
PHP Code:
new GuiWindowCtrl("testWindow") {
  
profile GuiBlueWindowProfile;
  
128;
  
width 144;
  
height 64;
}

temp.sb = new TStatusBar();
temp.sb.CreateBar("testBar"nil);

z_testBar.SetX(32);
z_testBar.SetY(32);
z_testBar.SetWidth(96);
z_testBar.SetHeight(16);
z_testBar.SetTexture("crow_bartexture.png");
z_testBar.SetRange(01);
z_testBar.SetValue(1);
z_testBar.SetColor(0.310.41);

temp.z_testBar;
echo(
"x:" SPC z.GetX());
echo(
"y:" SPC z.GetY());
echo(
"width:" SPC z.GetWidth());
echo(
"height:" SPC z.GetHeight());
echo(
"value:" SPC z.GetValue());
echo(
"range:" SPC z.GetRange());
echo(
"color:" SPC z.GetColor());
echo(
"texture:" SPC z.GetTexture());
echo(
"parent:" SPC z.GetParent()); 
What it does is create a window control, then create a new bar, place it inside the window, and change different aspects of the bar. Final result is not very nice, but I just want to demonstrate the usage here.
After the bar creation, it will also echo some information of the newly created status bar.


Here goes a list of all availabe functions, plus return/argument types:

CreateBar(name : string, parent : string)
Creates a new status bar
If parent is nil, it will keep the default parent (GraalControl)


GetParent() : object
Returns the parent of the bar

GetValue() : float
Returns the current value of the bar

GetRange() : array
Returns the value range of the bar (min, max)

GetTexture() : string
Returns the file name of the currently used bar texture

GetColor() : array
Returns the bar color (red, green, blue, alpha)

GetWidth() : int
Returns the bar width (in pixels)

GetHeight() : int
Returns the bar height (in pixels)

GetX() : int
Returns the horizontal bar position (in pixels)

GetY() : int
Returns the vertical bar position (in pixels)


SetParent(parent : string)
Sets the parent of the bar

SetValue(value : float)
Sets the value of the bar (value >= 0)

SetRange(min : int, max : int)
Sets the value range of the bar (min, max >= 0)

SetTexture(filename : string)
Sets the bar texture to the specified file name

SetColor(red : float, green : float, blue : float, alpha : float)
Sets the bar color (0 <= red, green, blue, alpha <= 1)

SetWidth(width : int)
Sets the bar width (in pixels)

SetHeight(height : int)
Sets the bar height (in pixels)

SetX(x : int)
Sets the horizontal bar position (in pixels)

SetY(y : int)
Sets the vertical bar position (in pixels)



Last but not least, some important notes:
  • Although there's a CreateBar() function, you will have to use a new variable for every new bar.
  • CreateBar() will create a GuiShowImgCtrl with the specified name, and a global reference to the statusbar class called z_SPECIFIEDNAME.
  • You could probably use any image as a bar texture, but I suggest using a higher resolution grayscale image (like the example one I have attached).



That's it. I hope somebody will find use for this, and I hope I could help you out with this Attached is an example bar texture which I have created and used while creating this. You may use it, but I suggest not to do so, because it's ugly

If I forgot anything important in this thread, or if you find any bugs or you got any suggestions, post!
Attached Thumbnails
Click image for larger version

Name:	crow_bartexture.png
Views:	86
Size:	6.1 KB
ID:	47278  
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Last edited by Crow; 02-01-2009 at 04:32 PM..
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  #2  
Old 02-04-2009, 12:31 PM
Twinny Twinny is offline
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Way too many cases of makevar() when not needed...weird ways of accessing objects......assigns variables to the local object...probably should be temp? or even better, assigned directly to the statusbar object without making a this.variable for the hell of it... what's with the 'z_' crap?....overall weirdness

Rather than return 1/0, might be better if it returns the statusbar object or 0

Anyhoo, i'll look again tomorrow and see what i think
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  #3  
Old 02-04-2009, 12:47 PM
Crow Crow is offline
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Kinda agree with returning the object. z_ Prefix because I can't throw the functions into the GUI control. Maybe I can just add a suffix to the GUI control and use the specified name for the global reference.
Can't directly see whats so damn wrong with this.vars here though :/
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