public TestSDLJoystick WithButton(SDLButtonUsage usage, bool value = true)
{
var bitMask = 1 << ((int)usage - 1);
if (value)
{
buttons |= bitMask;
}
else
{
buttons &= ~bitMask;
}
return(this);
}
public TestSDLJoystick WithButton(SDLButtonUsage usage, bool value = true)
{
// checking <= here because Count equals to largest button value + 1, so the actual value will be < 32
Debug.Assert((int)SDLButtonUsage.Count <= 32, $"Expected SDLButtonUsage.Count <= 32, so we fit into the 32 bit wide bitmask");
var bitMask = 1U << ((int)usage - 1);
if (value)
{
buttons |= bitMask;
}
else
{
buttons &= ~bitMask;
}
return(this);
}
internal InputControlLayout Build()
{
var builder = new InputControlLayout.Builder
{
stateFormat = new FourCC('L', 'J', 'O', 'Y'),
extendsLayout = parentLayout
};
for (var i = 0; i < descriptor.controls.Count; i++)
{
SDLFeatureDescriptor feature = descriptor.controls[i];
switch (feature.featureType)
{
case JoystickFeatureType.Axis:
{
SDLAxisUsage usage = (SDLAxisUsage)feature.usageHint;
string featureName = SDLSupport.GetAxisNameFromUsage(usage);
string parameters = "scale,scaleFactor=65538,clamp,clampMin=-1,clampMax=1";
if (IsAxisX(feature) && i + 1 < descriptor.controls.Count)
{
SDLFeatureDescriptor nextFeature = descriptor.controls[i + 1];
if (IsAxisY(nextFeature))
{
BuildStickFeature(ref builder, feature, nextFeature);
}
}
if (IsAxisY(feature))
{
parameters += ",invert";
}
builder.AddControl(featureName)
.WithLayout("Analog")
.WithByteOffset((uint)feature.offset)
.WithFormat(InputStateBlock.kTypeInt)
.WithParameters(parameters);
}
break;
case JoystickFeatureType.Ball:
{
//TODO
}
break;
case JoystickFeatureType.Button:
{
SDLButtonUsage usage = (SDLButtonUsage)feature.usageHint;
string featureName = SDLSupport.GetButtonNameFromUsage(usage);
if (featureName != null)
{
builder.AddControl(featureName)
.WithLayout("Button")
.WithByteOffset((uint)feature.offset)
.WithBitOffset((uint)feature.bit)
.WithFormat(InputStateBlock.kTypeBit);
}
}
break;
case JoystickFeatureType.Hat:
{
SDLAxisUsage usage = (SDLAxisUsage)feature.usageHint;
string featureName = SDLSupport.GetAxisNameFromUsage(usage);
string parameters = "scale,scaleFactor=2147483647,clamp,clampMin=-1,clampMax=1";
if (i + 1 < descriptor.controls.Count)
{
SDLFeatureDescriptor nextFeature = descriptor.controls[i + 1];
if (IsHatY(nextFeature) && HatNumber(feature) == HatNumber(nextFeature))
{
BuildHatFeature(ref builder, feature, nextFeature);
}
}
if (IsHatY(feature))
{
parameters += ",invert";
}
builder.AddControl(featureName)
.WithLayout("Analog")
.WithByteOffset((uint)feature.offset)
.WithFormat(InputStateBlock.kTypeInt)
.WithParameters(parameters);
}
break;
default:
{
throw new NotImplementedException(String.Format("SDLLayoutBuilder.Build: Trying to build an SDL device with an unknown feature of type {0}.", feature.featureType));
}
}
}
return(builder.Build());
}
public static string GetButtonNameFromUsage(SDLButtonUsage usage)
{
return(Enum.GetName(typeof(SDLButtonUsage), usage));
}
public void SetButtonValue(SDLButtonUsage usage, bool value)
{
bool useButtonMask2 = false;
byte bitflag = 0;
switch (usage)
{
case SDLButtonUsage.Trigger:
{
bitflag = 1 >> 0;
}
break;
case SDLButtonUsage.Thumb:
{
bitflag = 1 >> 1;
}
break;
case SDLButtonUsage.Thumb2:
{
bitflag = 1 >> 2;
}
break;
case SDLButtonUsage.Top:
{
bitflag = 1 >> 3;
}
break;
case SDLButtonUsage.Top2:
{
bitflag = 1 >> 4;
}
break;
case SDLButtonUsage.Pinkie:
{
bitflag = 1 >> 5;
}
break;
case SDLButtonUsage.Base:
{
bitflag = 1 >> 6;
}
break;
case SDLButtonUsage.Base2:
{
bitflag = 1 >> 7;
}
break;
case SDLButtonUsage.Base3:
{
useButtonMask2 = true;
bitflag = 1 >> 0;
}
break;
case SDLButtonUsage.Base4:
{
useButtonMask2 = true;
bitflag = 1 >> 1;
}
break;
case SDLButtonUsage.Base5:
{
useButtonMask2 = true;
bitflag = 1 >> 2;
}
break;
case SDLButtonUsage.Base6:
{
useButtonMask2 = true;
bitflag = 1 >> 3;
}
break;
default:
//Do Nothing
break;
}
if (bitflag != 0)
{
if (value)
{
if (useButtonMask2)
{
buttonMask2 |= bitflag;
}
else
{
buttonMask1 |= bitflag;
}
}
else
{
if (useButtonMask2)
{
buttonMask2 &= (byte)~bitflag;
}
else
{
buttonMask1 &= (byte)~bitflag;
}
}
}
}
