Fix memory leak (ParticleData and ParticleEmitterData) on using TypeValidator class.

This fixes issue #154

Engine/source/T3D/fx/particle.cpp

@@ -128,16 +128,20 @@ ParticleData::~ParticleData()
    }
 }
 
+FRangeValidator dragCoefFValidator(0.f, 5.f);
+FRangeValidator gravCoefFValidator(-10.f, 10.f);
+FRangeValidator spinRandFValidator(-1000.f, 1000.f);
+
 //-----------------------------------------------------------------------------
 // initPersistFields
 //-----------------------------------------------------------------------------
 void ParticleData::initPersistFields()
 {
-   addFieldV( "dragCoefficient", TYPEID< F32 >(), Offset(dragCoefficient, ParticleData), new FRangeValidator(0, 5),
+   addFieldV( "dragCoefficient", TYPEID< F32 >(), Offset(dragCoefficient, ParticleData), &dragCoefFValidator,
       "Particle physics drag amount." );
    addField( "windCoefficient", TYPEID< F32 >(), Offset(windCoefficient, ParticleData),
       "Strength of wind on the particles." );
-   addFieldV( "gravityCoefficient", TYPEID< F32 >(), Offset(gravityCoefficient, ParticleData), new FRangeValidator(-10, 10),
+   addFieldV( "gravityCoefficient", TYPEID< F32 >(), Offset(gravityCoefficient, ParticleData), &gravCoefFValidator,
       "Strength of gravity on the particles." );
    addFieldV( "inheritedVelFactor", TYPEID< F32 >(), Offset(inheritedVelFactor, ParticleData), &CommonValidators::NormalizedFloat,
       "Amount of emitter velocity to add to particle initial velocity." );
@@ -149,9 +153,9 @@ void ParticleData::initPersistFields()
       "Variance in lifetime of particle, from 0 - lifetimeMS." );
    addField( "spinSpeed", TYPEID< F32 >(), Offset(spinSpeed, ParticleData),
       "Speed at which to spin the particle." );
-   addFieldV( "spinRandomMin", TYPEID< F32 >(), Offset(spinRandomMin, ParticleData), new FRangeValidator(-1000.f, 1000.f),
+   addFieldV( "spinRandomMin", TYPEID< F32 >(), Offset(spinRandomMin, ParticleData), &spinRandFValidator,
       "Minimum allowed spin speed of this particle, between -1000 and spinRandomMax." );
-   addFieldV( "spinRandomMax", TYPEID< F32 >(), Offset(spinRandomMax, ParticleData), new FRangeValidator(-1000.f, 1000.f),
+   addFieldV( "spinRandomMax", TYPEID< F32 >(), Offset(spinRandomMax, ParticleData), &spinRandFValidator,
       "Maximum allowed spin speed of this particle, between spinRandomMin and 1000." );
    addField( "useInvAlpha", TYPEID< bool >(), Offset(useInvAlpha, ParticleData),
       "@brief Controls how particles blend with the scene.\n\n"

Engine/source/T3D/fx/particleEmitter.cpp

@@ -171,6 +171,13 @@ ImplementEnumType( ParticleBlendStyle,
    { ParticleRenderInst::BlendPremultAlpha,   "PREMULTALPHA",  "Color blends with the colors of the imagemap rather than the alpha.\n" },
 EndImplementEnumType;
 
+IRangeValidator ejectPeriodIValidator(1, 2047);
+IRangeValidator periodVarianceIValidator(0, 2047);
+FRangeValidator ejectionFValidator(0.f, 655.35f);
+FRangeValidator velVarianceFValidator(0.f, 163.83f);
+FRangeValidator thetaFValidator(0.f, 180.f);
+FRangeValidator phiFValidator(0.f, 360.f);
+
 //-----------------------------------------------------------------------------
 // initPersistFields
 //-----------------------------------------------------------------------------
@@ -178,31 +185,31 @@ void ParticleEmitterData::initPersistFields()
 {
    addGroup( "ParticleEmitterData" );
 
-      addFieldV("ejectionPeriodMS", TYPEID< S32 >(), Offset(ejectionPeriodMS,   ParticleEmitterData), new IRangeValidator(1, 2047),
+      addFieldV("ejectionPeriodMS", TYPEID< S32 >(), Offset(ejectionPeriodMS,   ParticleEmitterData), &ejectPeriodIValidator,
          "Time (in milliseconds) between each particle ejection." );
 
-      addFieldV("periodVarianceMS", TYPEID< S32 >(), Offset(periodVarianceMS,   ParticleEmitterData), new IRangeValidator(0, 2047),
+      addFieldV("periodVarianceMS", TYPEID< S32 >(), Offset(periodVarianceMS,   ParticleEmitterData), &periodVarianceIValidator,
          "Variance in ejection period, from 1 - ejectionPeriodMS." );
 
-      addFieldV( "ejectionVelocity", TYPEID< F32 >(), Offset(ejectionVelocity, ParticleEmitterData), new FRangeValidator(0, 655.35f),
+      addFieldV( "ejectionVelocity", TYPEID< F32 >(), Offset(ejectionVelocity, ParticleEmitterData), &ejectionFValidator,
          "Particle ejection velocity." );
 
-      addFieldV( "velocityVariance", TYPEID< F32 >(), Offset(velocityVariance, ParticleEmitterData), new FRangeValidator(0, 163.83f),
+      addFieldV( "velocityVariance", TYPEID< F32 >(), Offset(velocityVariance, ParticleEmitterData), &velVarianceFValidator,
          "Variance for ejection velocity, from 0 - ejectionVelocity." );
 
-      addFieldV( "ejectionOffset", TYPEID< F32 >(), Offset(ejectionOffset, ParticleEmitterData), new FRangeValidator(0, 655.35f),
+      addFieldV( "ejectionOffset", TYPEID< F32 >(), Offset(ejectionOffset, ParticleEmitterData), &ejectionFValidator,
          "Distance along ejection Z axis from which to eject particles." );
 
-      addFieldV( "thetaMin", TYPEID< F32 >(), Offset(thetaMin, ParticleEmitterData), new FRangeValidator(0, 180.0f),
+      addFieldV( "thetaMin", TYPEID< F32 >(), Offset(thetaMin, ParticleEmitterData), &thetaFValidator,
          "Minimum angle, from the horizontal plane, to eject from." );
 
-      addFieldV( "thetaMax", TYPEID< F32 >(), Offset(thetaMax, ParticleEmitterData), new FRangeValidator(0, 180.0f),
+      addFieldV( "thetaMax", TYPEID< F32 >(), Offset(thetaMax, ParticleEmitterData), &thetaFValidator,
          "Maximum angle, from the horizontal plane, to eject particles from." );
 
-      addFieldV( "phiReferenceVel", TYPEID< F32 >(), Offset(phiReferenceVel, ParticleEmitterData), new FRangeValidator(0, 360.0f),
+      addFieldV( "phiReferenceVel", TYPEID< F32 >(), Offset(phiReferenceVel, ParticleEmitterData), &phiFValidator,
          "Reference angle, from the vertical plane, to eject particles from." );
 
-      addFieldV( "phiVariance", TYPEID< F32 >(), Offset(phiVariance, ParticleEmitterData), new FRangeValidator(0, 360.0f),
+      addFieldV( "phiVariance", TYPEID< F32 >(), Offset(phiVariance, ParticleEmitterData), &phiFValidator,
          "Variance from the reference angle, from 0 - 360." );
 
       addField( "softnessDistance", TYPEID< F32 >(), Offset(softnessDistance, ParticleEmitterData),