Use an ALeffectProps union to store the effect properties

9 files changed, 268 insertions, 238 deletions

diff --git a/Alc/ALu.c b/Alc/ALu.c
index 3c1e4ad5..2f005b77 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -447,7 +447,7 @@ ALvoid CalcNonAttnSourceParams(ALsource *ALSource, const ALCcontext *ALContext)
 
         if(!Slot && i == 0)
             Slot = Device->DefaultSlot;
-        if(Slot && Slot->effect.type == AL_EFFECT_NULL)
+        if(Slot && Slot->EffectType == AL_EFFECT_NULL)
             Slot = NULL;
         ALSource->Params.Send[i].Slot = Slot;
         ALSource->Params.Send[i].Gain = WetGain[i];
@@ -551,7 +551,7 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext)
 
         if(!Slot && i == 0)
             Slot = Device->DefaultSlot;
-        if(!Slot || Slot->effect.type == AL_EFFECT_NULL)
+        if(!Slot || Slot->EffectType == AL_EFFECT_NULL)
         {
             Slot = NULL;
             RoomRolloff[i] = 0.0f;
@@ -561,12 +561,12 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext)
         else if(Slot->AuxSendAuto)
         {
             RoomRolloff[i] = RoomRolloffBase;
-            if(IsReverbEffect(Slot->effect.type))
+            if(IsReverbEffect(Slot->EffectType))
             {
-                RoomRolloff[i] += Slot->effect.Reverb.RoomRolloffFactor;
-                DecayDistance[i] = Slot->effect.Reverb.DecayTime *
+                RoomRolloff[i] += Slot->EffectProps.Reverb.RoomRolloffFactor;
+                DecayDistance[i] = Slot->EffectProps.Reverb.DecayTime *
                                    SPEEDOFSOUNDMETRESPERSEC;
-                RoomAirAbsorption[i] = Slot->effect.Reverb.AirAbsorptionGainHF;
+                RoomAirAbsorption[i] = Slot->EffectProps.Reverb.AirAbsorptionGainHF;
             }
             else
             {
diff --git a/Alc/effects/chorus.c b/Alc/effects/chorus.c
index 22241af5..4dc6cd98 100644
--- a/Alc/effects/chorus.c
+++ b/Alc/effects/chorus.c
@@ -111,17 +111,17 @@ static ALvoid ALchorusState_Update(ALchorusState *state, ALCdevice *Device, cons
         state->Gain[1][it] = 0.0f;
     }
 
-    state->waveform = Slot->effect.Chorus.Waveform;
-    state->depth = Slot->effect.Chorus.Depth;
-    state->feedback = Slot->effect.Chorus.Feedback;
-    state->delay = fastf2i(Slot->effect.Chorus.Delay * frequency);
+    state->waveform = Slot->EffectProps.Chorus.Waveform;
+    state->depth = Slot->EffectProps.Chorus.Depth;
+    state->feedback = Slot->EffectProps.Chorus.Feedback;
+    state->delay = fastf2i(Slot->EffectProps.Chorus.Delay * frequency);
 
     /* Gains for left and right sides */
     ComputeAngleGains(Device, atan2f(-1.0f, 0.0f), 0.0f, Slot->Gain, state->Gain[0]);
     ComputeAngleGains(Device, atan2f(+1.0f, 0.0f), 0.0f, Slot->Gain, state->Gain[1]);
 
-    phase = Slot->effect.Chorus.Phase;
-    rate = Slot->effect.Chorus.Rate;
+    phase = Slot->EffectProps.Chorus.Phase;
+    rate = Slot->EffectProps.Chorus.Rate;
 
     /* Calculate LFO coefficient */
     switch (state->waveform)
@@ -285,18 +285,19 @@ ALeffectStateFactory *ALchorusStateFactory_getFactory(void)
 
 void ALchorus_SetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_CHORUS_WAVEFORM:
             if(val >= AL_CHORUS_MIN_WAVEFORM && val <= AL_CHORUS_MAX_WAVEFORM)
-                effect->Chorus.Waveform = val;
+                props->Chorus.Waveform = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_CHORUS_PHASE:
             if(val >= AL_CHORUS_MIN_PHASE && val <= AL_CHORUS_MAX_PHASE)
-                effect->Chorus.Phase = val;
+                props->Chorus.Phase = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -312,32 +313,33 @@ void ALchorus_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, co
 }
 void ALchorus_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_CHORUS_RATE:
             if(val >= AL_CHORUS_MIN_RATE && val <= AL_CHORUS_MAX_RATE)
-                effect->Chorus.Rate = val;
+                props->Chorus.Rate = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_CHORUS_DEPTH:
             if(val >= AL_CHORUS_MIN_DEPTH && val <= AL_CHORUS_MAX_DEPTH)
-                effect->Chorus.Depth = val;
+                props->Chorus.Depth = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_CHORUS_FEEDBACK:
             if(val >= AL_CHORUS_MIN_FEEDBACK && val <= AL_CHORUS_MAX_FEEDBACK)
-                effect->Chorus.Feedback = val;
+                props->Chorus.Feedback = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_CHORUS_DELAY:
             if(val >= AL_CHORUS_MIN_DELAY && val <= AL_CHORUS_MAX_DELAY)
-                effect->Chorus.Delay = val;
+                props->Chorus.Delay = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -354,14 +356,15 @@ void ALchorus_SetParamfv(ALeffect *effect, ALCcontext *context, ALenum param, co
 
 void ALchorus_GetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_CHORUS_WAVEFORM:
-            *val = effect->Chorus.Waveform;
+            *val = props->Chorus.Waveform;
             break;
 
         case AL_CHORUS_PHASE:
-            *val = effect->Chorus.Phase;
+            *val = props->Chorus.Phase;
             break;
 
         default:
@@ -375,22 +378,23 @@ void ALchorus_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, AL
 }
 void ALchorus_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_CHORUS_RATE:
-            *val = effect->Chorus.Rate;
+            *val = props->Chorus.Rate;
             break;
 
         case AL_CHORUS_DEPTH:
-            *val = effect->Chorus.Depth;
+            *val = props->Chorus.Depth;
             break;
 
         case AL_CHORUS_FEEDBACK:
-            *val = effect->Chorus.Feedback;
+            *val = props->Chorus.Feedback;
             break;
 
         case AL_CHORUS_DELAY:
-            *val = effect->Chorus.Delay;
+            *val = props->Chorus.Delay;
             break;
 
         default:
diff --git a/Alc/effects/dedicated.c b/Alc/effects/dedicated.c
index 184fe292..35d26cc0 100644
--- a/Alc/effects/dedicated.c
+++ b/Alc/effects/dedicated.c
@@ -60,13 +60,13 @@ static ALvoid ALdedicatedState_Update(ALdedicatedState *state, ALCdevice *device
     ALfloat Gain;
     ALsizei s;
 
-    Gain = Slot->Gain * Slot->effect.Dedicated.Gain;
+    Gain = Slot->Gain * Slot->EffectProps.Dedicated.Gain;
     for(s = 0;s < MaxChannels;s++)
         state->gains[s] = 0.0f;
 
-    if(Slot->effect.type == AL_EFFECT_DEDICATED_DIALOGUE)
+    if(Slot->EffectType == AL_EFFECT_DEDICATED_DIALOGUE)
         ComputeAngleGains(device, atan2f(0.0f, 1.0f), 0.0f, Gain, state->gains);
-    else if(Slot->effect.type == AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT)
+    else if(Slot->EffectType == AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT)
         state->gains[LFE] = Gain;
 }
 
@@ -132,11 +132,12 @@ void ALdedicated_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param,
 }
 void ALdedicated_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_DEDICATED_GAIN:
             if(val >= 0.0f && isfinite(val))
-                effect->Dedicated.Gain = val;
+                props->Dedicated.Gain = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -159,10 +160,11 @@ void ALdedicated_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param,
 }
 void ALdedicated_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_DEDICATED_GAIN:
-            *val = effect->Dedicated.Gain;
+            *val = props->Dedicated.Gain;
             break;
 
         default:
diff --git a/Alc/effects/distortion.c b/Alc/effects/distortion.c
index cc6669af..5be2215e 100644
--- a/Alc/effects/distortion.c
+++ b/Alc/effects/distortion.c
@@ -99,14 +99,14 @@ static ALvoid ALdistortionState_Update(ALdistortionState *state, ALCdevice *Devi
     }
 
     /* Store distorted signal attenuation settings */
-    state->attenuation = Slot->effect.Distortion.Gain;
+    state->attenuation = Slot->EffectProps.Distortion.Gain;
 
     /* Store waveshaper edge settings */
-    edge = sinf(Slot->effect.Distortion.Edge * (F_PI/2.0f));
+    edge = sinf(Slot->EffectProps.Distortion.Edge * (F_PI/2.0f));
     state->edge_coeff = 2.0f * edge / (1.0f-edge);
 
     /* Lowpass filter */
-    cutoff = Slot->effect.Distortion.LowpassCutoff;
+    cutoff = Slot->EffectProps.Distortion.LowpassCutoff;
     /* Bandwidth value is constant in octaves */
     bandwidth = (cutoff / 2.0f) / (cutoff * 0.67f);
     w0 = 2.0f*F_PI * cutoff / (frequency*4.0f);
@@ -119,9 +119,9 @@ static ALvoid ALdistortionState_Update(ALdistortionState *state, ALCdevice *Devi
     state->lowpass.a[2] = 1.0f - alpha;
 
     /* Bandpass filter */
-    cutoff = Slot->effect.Distortion.EQCenter;
+    cutoff = Slot->EffectProps.Distortion.EQCenter;
     /* Convert bandwidth in Hz to octaves */
-    bandwidth = Slot->effect.Distortion.EQBandwidth / (cutoff * 0.67f);
+    bandwidth = Slot->EffectProps.Distortion.EQBandwidth / (cutoff * 0.67f);
     w0 = 2.0f*F_PI * cutoff / (frequency*4.0f);
     alpha = sinf(w0) * sinhf(logf(2.0f) / 2.0f * bandwidth * w0 / sinf(w0));
     state->bandpass.b[0] = alpha;
@@ -281,15 +281,15 @@ ALeffectStateFactory *ALdistortionStateFactory_getFactory(void)
 
 void ALdistortion_SetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val)
 {
-    effect=effect;
-    val=val;
-
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         default:
             alSetError(context, AL_INVALID_ENUM);
             break;
     }
+    (void)props;
+    (void)val;
 }
 void ALdistortion_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals)
 {
@@ -297,39 +297,40 @@ void ALdistortion_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param
 }
 void ALdistortion_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_DISTORTION_EDGE:
             if(val >= AL_DISTORTION_MIN_EDGE && val <= AL_DISTORTION_MAX_EDGE)
-                effect->Distortion.Edge = val;
+                props->Distortion.Edge = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_DISTORTION_GAIN:
             if(val >= AL_DISTORTION_MIN_GAIN && val <= AL_DISTORTION_MAX_GAIN)
-                effect->Distortion.Gain = val;
+                props->Distortion.Gain = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_DISTORTION_LOWPASS_CUTOFF:
             if(val >= AL_DISTORTION_MIN_LOWPASS_CUTOFF && val <= AL_DISTORTION_MAX_LOWPASS_CUTOFF)
-                effect->Distortion.LowpassCutoff = val;
+                props->Distortion.LowpassCutoff = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_DISTORTION_EQCENTER:
             if(val >= AL_DISTORTION_MIN_EQCENTER && val <= AL_DISTORTION_MAX_EQCENTER)
-                effect->Distortion.EQCenter = val;
+                props->Distortion.EQCenter = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_DISTORTION_EQBANDWIDTH:
             if(val >= AL_DISTORTION_MIN_EQBANDWIDTH && val <= AL_DISTORTION_MAX_EQBANDWIDTH)
-                effect->Distortion.EQBandwidth = val;
+                props->Distortion.EQBandwidth = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -346,15 +347,15 @@ void ALdistortion_SetParamfv(ALeffect *effect, ALCcontext *context, ALenum param
 
 void ALdistortion_GetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint *val)
 {
-    effect=effect;
-    val=val;
-
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         default:
             alSetError(context, AL_INVALID_ENUM);
             break;
     }
+    (void)props;
+    (void)val;
 }
 void ALdistortion_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, ALint *vals)
 {
@@ -362,26 +363,27 @@ void ALdistortion_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param
 }
 void ALdistortion_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_DISTORTION_EDGE:
-            *val = effect->Distortion.Edge;
+            *val = props->Distortion.Edge;
             break;
 
         case AL_DISTORTION_GAIN:
-            *val = effect->Distortion.Gain;
+            *val = props->Distortion.Gain;
             break;
 
         case AL_DISTORTION_LOWPASS_CUTOFF:
-            *val = effect->Distortion.LowpassCutoff;
+            *val = props->Distortion.LowpassCutoff;
             break;
 
         case AL_DISTORTION_EQCENTER:
-            *val = effect->Distortion.EQCenter;
+            *val = props->Distortion.EQCenter;
             break;
 
         case AL_DISTORTION_EQBANDWIDTH:
-            *val = effect->Distortion.EQBandwidth;
+            *val = props->Distortion.EQBandwidth;
             break;
 
         default:
diff --git a/Alc/effects/echo.c b/Alc/effects/echo.c
index 533461ac..d1f734bf 100644
--- a/Alc/effects/echo.c
+++ b/Alc/effects/echo.c
@@ -96,16 +96,16 @@ static ALvoid ALechoState_Update(ALechoState *state, ALCdevice *Device, const AL
     ALfloat dirGain;
     ALuint i;
 
-    state->Tap[0].delay = fastf2u(Slot->effect.Echo.Delay * frequency) + 1;
-    state->Tap[1].delay = fastf2u(Slot->effect.Echo.LRDelay * frequency);
+    state->Tap[0].delay = fastf2u(Slot->EffectProps.Echo.Delay * frequency) + 1;
+    state->Tap[1].delay = fastf2u(Slot->EffectProps.Echo.LRDelay * frequency);
     state->Tap[1].delay += state->Tap[0].delay;
 
-    lrpan = Slot->effect.Echo.Spread;
+    lrpan = Slot->EffectProps.Echo.Spread;
 
-    state->FeedGain = Slot->effect.Echo.Feedback;
+    state->FeedGain = Slot->EffectProps.Echo.Feedback;
 
     cw = cosf(F_PI*2.0f * LOWPASSFREQREF / frequency);
-    g = 1.0f - Slot->effect.Echo.Damping;
+    g = 1.0f - Slot->EffectProps.Echo.Damping;
     state->iirFilter.coeff = lpCoeffCalc(g, cw);
 
     gain = Slot->Gain;
@@ -229,39 +229,40 @@ void ALecho_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, cons
 }
 void ALecho_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_ECHO_DELAY:
             if(val >= AL_ECHO_MIN_DELAY && val <= AL_ECHO_MAX_DELAY)
-                effect->Echo.Delay = val;
+                props->Echo.Delay = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_ECHO_LRDELAY:
             if(val >= AL_ECHO_MIN_LRDELAY && val <= AL_ECHO_MAX_LRDELAY)
-                effect->Echo.LRDelay = val;
+                props->Echo.LRDelay = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_ECHO_DAMPING:
             if(val >= AL_ECHO_MIN_DAMPING && val <= AL_ECHO_MAX_DAMPING)
-                effect->Echo.Damping = val;
+                props->Echo.Damping = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_ECHO_FEEDBACK:
             if(val >= AL_ECHO_MIN_FEEDBACK && val <= AL_ECHO_MAX_FEEDBACK)
-                effect->Echo.Feedback = val;
+                props->Echo.Feedback = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_ECHO_SPREAD:
             if(val >= AL_ECHO_MIN_SPREAD && val <= AL_ECHO_MAX_SPREAD)
-                effect->Echo.Spread = val;
+                props->Echo.Spread = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -284,26 +285,27 @@ void ALecho_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, ALin
 }
 void ALecho_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_ECHO_DELAY:
-            *val = effect->Echo.Delay;
+            *val = props->Echo.Delay;
             break;
 
         case AL_ECHO_LRDELAY:
-            *val = effect->Echo.LRDelay;
+            *val = props->Echo.LRDelay;
             break;
 
         case AL_ECHO_DAMPING:
-            *val = effect->Echo.Damping;
+            *val = props->Echo.Damping;
             break;
 
         case AL_ECHO_FEEDBACK:
-            *val = effect->Echo.Feedback;
+            *val = props->Echo.Feedback;
             break;
 
         case AL_ECHO_SPREAD:
-            *val = effect->Echo.Spread;
+            *val = props->Echo.Spread;
             break;
 
         default:
diff --git a/Alc/effects/equalizer.c b/Alc/effects/equalizer.c
index 3d5f35d5..df95716f 100644
--- a/Alc/effects/equalizer.c
+++ b/Alc/effects/equalizer.c
@@ -141,22 +141,22 @@ static ALvoid ALequalizerState_Update(ALequalizerState *state, ALCdevice *device
         switch (it)
         {
             case 0: /* Low Shelf */
-                 gain = powf(10.0f, (20.0f * log10f(slot->effect.Equalizer.LowGain)) / 40.0f);
-                 filter_frequency = slot->effect.Equalizer.LowCutoff;
+                 gain = powf(10.0f, (20.0f * log10f(slot->EffectProps.Equalizer.LowGain)) / 40.0f);
+                 filter_frequency = slot->EffectProps.Equalizer.LowCutoff;
                  break;
             case 1: /* Peaking */
-                 gain = powf(10.0f, (20.0f * log10f(slot->effect.Equalizer.Mid1Gain)) / 40.0f);
-                 filter_frequency = slot->effect.Equalizer.Mid1Center;
-                 bandwidth = slot->effect.Equalizer.Mid1Width;
+                 gain = powf(10.0f, (20.0f * log10f(slot->EffectProps.Equalizer.Mid1Gain)) / 40.0f);
+                 filter_frequency = slot->EffectProps.Equalizer.Mid1Center;
+                 bandwidth = slot->EffectProps.Equalizer.Mid1Width;
                  break;
             case 2: /* Peaking */
-                 gain = powf(10.0f, (20.0f * log10f(slot->effect.Equalizer.Mid2Gain)) / 40.0f);
-                 filter_frequency = slot->effect.Equalizer.Mid2Center;
-                 bandwidth = slot->effect.Equalizer.Mid2Width;
+                 gain = powf(10.0f, (20.0f * log10f(slot->EffectProps.Equalizer.Mid2Gain)) / 40.0f);
+                 filter_frequency = slot->EffectProps.Equalizer.Mid2Center;
+                 bandwidth = slot->EffectProps.Equalizer.Mid2Width;
                  break;
             case 3: /* High Shelf */
-                 gain = powf(10.0f, (20.0f * log10f(slot->effect.Equalizer.HighGain)) / 40.0f);
-                 filter_frequency = slot->effect.Equalizer.HighCutoff;
+                 gain = powf(10.0f, (20.0f * log10f(slot->EffectProps.Equalizer.HighGain)) / 40.0f);
+                 filter_frequency = slot->EffectProps.Equalizer.HighCutoff;
                  break;
         }
 
@@ -323,15 +323,15 @@ ALeffectStateFactory *ALequalizerStateFactory_getFactory(void)
 
 void ALequalizer_SetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val)
 {
-    effect=effect;
-    val=val;
-
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         default:
             alSetError(context, AL_INVALID_ENUM);
             break;
     }
+    (void)props;
+    (void)val;
 }
 void ALequalizer_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals)
 {
@@ -339,74 +339,75 @@ void ALequalizer_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param,
 }
 void ALequalizer_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_EQUALIZER_LOW_GAIN:
             if(val >= AL_EQUALIZER_MIN_LOW_GAIN && val <= AL_EQUALIZER_MAX_LOW_GAIN)
-                effect->Equalizer.LowGain = val;
+                props->Equalizer.LowGain = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EQUALIZER_LOW_CUTOFF:
             if(val >= AL_EQUALIZER_MIN_LOW_CUTOFF && val <= AL_EQUALIZER_MAX_LOW_CUTOFF)
-                effect->Equalizer.LowCutoff = val;
+                props->Equalizer.LowCutoff = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EQUALIZER_MID1_GAIN:
             if(val >= AL_EQUALIZER_MIN_MID1_GAIN && val <= AL_EQUALIZER_MAX_MID1_GAIN)
-                effect->Equalizer.Mid1Gain = val;
+                props->Equalizer.Mid1Gain = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EQUALIZER_MID1_CENTER:
             if(val >= AL_EQUALIZER_MIN_MID1_CENTER && val <= AL_EQUALIZER_MAX_MID1_CENTER)
-                effect->Equalizer.Mid1Center = val;
+                props->Equalizer.Mid1Center = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EQUALIZER_MID1_WIDTH:
             if(val >= AL_EQUALIZER_MIN_MID1_WIDTH && val <= AL_EQUALIZER_MAX_MID1_WIDTH)
-                effect->Equalizer.Mid1Width = val;
+                props->Equalizer.Mid1Width = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EQUALIZER_MID2_GAIN:
             if(val >= AL_EQUALIZER_MIN_MID2_GAIN && val <= AL_EQUALIZER_MAX_MID2_GAIN)
-                effect->Equalizer.Mid2Gain = val;
+                props->Equalizer.Mid2Gain = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EQUALIZER_MID2_CENTER:
             if(val >= AL_EQUALIZER_MIN_MID2_CENTER && val <= AL_EQUALIZER_MAX_MID2_CENTER)
-                effect->Equalizer.Mid2Center = val;
+                props->Equalizer.Mid2Center = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EQUALIZER_MID2_WIDTH:
             if(val >= AL_EQUALIZER_MIN_MID2_WIDTH && val <= AL_EQUALIZER_MAX_MID2_WIDTH)
-                effect->Equalizer.Mid2Width = val;
+                props->Equalizer.Mid2Width = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EQUALIZER_HIGH_GAIN:
             if(val >= AL_EQUALIZER_MIN_HIGH_GAIN && val <= AL_EQUALIZER_MAX_HIGH_GAIN)
-                effect->Equalizer.HighGain = val;
+                props->Equalizer.HighGain = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EQUALIZER_HIGH_CUTOFF:
             if(val >= AL_EQUALIZER_MIN_HIGH_CUTOFF && val <= AL_EQUALIZER_MAX_HIGH_CUTOFF)
-                effect->Equalizer.HighCutoff = val;
+                props->Equalizer.HighCutoff = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -423,15 +424,15 @@ void ALequalizer_SetParamfv(ALeffect *effect, ALCcontext *context, ALenum param,
 
 void ALequalizer_GetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint *val)
 {
-    effect=effect;
-    val=val;
-
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         default:
             alSetError(context, AL_INVALID_ENUM);
             break;
     }
+    (void)props;
+    (void)val;
 }
 void ALequalizer_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, ALint *vals)
 {
@@ -439,46 +440,47 @@ void ALequalizer_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param,
 }
 void ALequalizer_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_EQUALIZER_LOW_GAIN:
-            *val = effect->Equalizer.LowGain;
+            *val = props->Equalizer.LowGain;
             break;
 
         case AL_EQUALIZER_LOW_CUTOFF:
-            *val = effect->Equalizer.LowCutoff;
+            *val = props->Equalizer.LowCutoff;
             break;
 
         case AL_EQUALIZER_MID1_GAIN:
-            *val = effect->Equalizer.Mid1Gain;
+            *val = props->Equalizer.Mid1Gain;
             break;
 
         case AL_EQUALIZER_MID1_CENTER:
-            *val = effect->Equalizer.Mid1Center;
+            *val = props->Equalizer.Mid1Center;
             break;
 
         case AL_EQUALIZER_MID1_WIDTH:
-            *val = effect->Equalizer.Mid1Width;
+            *val = props->Equalizer.Mid1Width;
             break;
 
         case AL_EQUALIZER_MID2_GAIN:
-            *val = effect->Equalizer.Mid2Gain;
+            *val = props->Equalizer.Mid2Gain;
             break;
 
         case AL_EQUALIZER_MID2_CENTER:
-            *val = effect->Equalizer.Mid2Center;
+            *val = props->Equalizer.Mid2Center;
             break;
 
         case AL_EQUALIZER_MID2_WIDTH:
-            *val = effect->Equalizer.Mid2Width;
+            *val = props->Equalizer.Mid2Width;
             break;
 
         case AL_EQUALIZER_HIGH_GAIN:
-            *val = effect->Equalizer.HighGain;
+            *val = props->Equalizer.HighGain;
             break;
 
         case AL_EQUALIZER_HIGH_CUTOFF:
-            *val = effect->Equalizer.HighCutoff;
+            *val = props->Equalizer.HighCutoff;
             break;
 
         default:
diff --git a/Alc/effects/flanger.c b/Alc/effects/flanger.c
index 12e16de2..1983c5e0 100644
--- a/Alc/effects/flanger.c
+++ b/Alc/effects/flanger.c
@@ -111,17 +111,17 @@ static ALvoid ALflangerState_Update(ALflangerState *state, ALCdevice *Device, co
         state->Gain[1][it] = 0.0f;
     }
 
-    state->waveform = Slot->effect.Flanger.Waveform;
-    state->depth = Slot->effect.Flanger.Depth;
-    state->feedback = Slot->effect.Flanger.Feedback;
-    state->delay = fastf2i(Slot->effect.Flanger.Delay * frequency);
+    state->waveform = Slot->EffectProps.Flanger.Waveform;
+    state->depth = Slot->EffectProps.Flanger.Depth;
+    state->feedback = Slot->EffectProps.Flanger.Feedback;
+    state->delay = fastf2i(Slot->EffectProps.Flanger.Delay * frequency);
 
     /* Gains for left and right sides */
     ComputeAngleGains(Device, atan2f(-1.0f, 0.0f), 0.0f, Slot->Gain, state->Gain[0]);
     ComputeAngleGains(Device, atan2f(+1.0f, 0.0f), 0.0f, Slot->Gain, state->Gain[1]);
 
-    phase = Slot->effect.Flanger.Phase;
-    rate = Slot->effect.Flanger.Rate;
+    phase = Slot->EffectProps.Flanger.Phase;
+    rate = Slot->EffectProps.Flanger.Rate;
 
     /* Calculate LFO coefficient */
     switch(state->waveform)
@@ -285,18 +285,19 @@ ALeffectStateFactory *ALflangerStateFactory_getFactory(void)
 
 void ALflanger_SetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_FLANGER_WAVEFORM:
             if(val >= AL_FLANGER_MIN_WAVEFORM && val <= AL_FLANGER_MAX_WAVEFORM)
-                effect->Flanger.Waveform = val;
+                props->Flanger.Waveform = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_FLANGER_PHASE:
             if(val >= AL_FLANGER_MIN_PHASE && val <= AL_FLANGER_MAX_PHASE)
-                effect->Flanger.Phase = val;
+                props->Flanger.Phase = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -312,32 +313,33 @@ void ALflanger_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, c
 }
 void ALflanger_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_FLANGER_RATE:
             if(val >= AL_FLANGER_MIN_RATE && val <= AL_FLANGER_MAX_RATE)
-                effect->Flanger.Rate = val;
+                props->Flanger.Rate = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_FLANGER_DEPTH:
             if(val >= AL_FLANGER_MIN_DEPTH && val <= AL_FLANGER_MAX_DEPTH)
-                effect->Flanger.Depth = val;
+                props->Flanger.Depth = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_FLANGER_FEEDBACK:
             if(val >= AL_FLANGER_MIN_FEEDBACK && val <= AL_FLANGER_MAX_FEEDBACK)
-                effect->Flanger.Feedback = val;
+                props->Flanger.Feedback = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_FLANGER_DELAY:
             if(val >= AL_FLANGER_MIN_DELAY && val <= AL_FLANGER_MAX_DELAY)
-                effect->Flanger.Delay = val;
+                props->Flanger.Delay = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -354,14 +356,15 @@ void ALflanger_SetParamfv(ALeffect *effect, ALCcontext *context, ALenum param, c
 
 void ALflanger_GetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_FLANGER_WAVEFORM:
-            *val = effect->Flanger.Waveform;
+            *val = props->Flanger.Waveform;
             break;
 
         case AL_FLANGER_PHASE:
-            *val = effect->Flanger.Phase;
+            *val = props->Flanger.Phase;
             break;
 
         default:
@@ -375,22 +378,23 @@ void ALflanger_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, A
 }
 void ALflanger_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_FLANGER_RATE:
-            *val = effect->Flanger.Rate;
+            *val = props->Flanger.Rate;
             break;
 
         case AL_FLANGER_DEPTH:
-            *val = effect->Flanger.Depth;
+            *val = props->Flanger.Depth;
             break;
 
         case AL_FLANGER_FEEDBACK:
-            *val = effect->Flanger.Feedback;
+            *val = props->Flanger.Feedback;
             break;
 
         case AL_FLANGER_DELAY:
-            *val = effect->Flanger.Delay;
+            *val = props->Flanger.Delay;
             break;
 
         default:
diff --git a/Alc/effects/modulator.c b/Alc/effects/modulator.c
index 3f9ff8a5..bd994adb 100644
--- a/Alc/effects/modulator.c
+++ b/Alc/effects/modulator.c
@@ -152,18 +152,18 @@ static ALvoid ALmodulatorState_Update(ALmodulatorState *state, ALCdevice *Device
     ALfloat gain, cw, a = 0.0f;
     ALuint index;
 
-    if(Slot->effect.Modulator.Waveform == AL_RING_MODULATOR_SINUSOID)
+    if(Slot->EffectProps.Modulator.Waveform == AL_RING_MODULATOR_SINUSOID)
         state->Waveform = SINUSOID;
-    else if(Slot->effect.Modulator.Waveform == AL_RING_MODULATOR_SAWTOOTH)
+    else if(Slot->EffectProps.Modulator.Waveform == AL_RING_MODULATOR_SAWTOOTH)
         state->Waveform = SAWTOOTH;
-    else if(Slot->effect.Modulator.Waveform == AL_RING_MODULATOR_SQUARE)
+    else if(Slot->EffectProps.Modulator.Waveform == AL_RING_MODULATOR_SQUARE)
         state->Waveform = SQUARE;
 
-    state->step = fastf2u(Slot->effect.Modulator.Frequency*WAVEFORM_FRACONE /
+    state->step = fastf2u(Slot->EffectProps.Modulator.Frequency*WAVEFORM_FRACONE /
                           Device->Frequency);
     if(state->step == 0) state->step = 1;
 
-    cw = cosf(F_PI*2.0f * Slot->effect.Modulator.HighPassCutoff /
+    cw = cosf(F_PI*2.0f * Slot->EffectProps.Modulator.HighPassCutoff /
                           Device->Frequency);
     a = (2.0f-cw) - sqrtf(powf(2.0f-cw, 2.0f) - 1.0f);
     state->iirFilter.coeff = a;
@@ -240,18 +240,19 @@ ALeffectStateFactory *ALmodulatorStateFactory_getFactory(void)
 
 void ALmodulator_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_RING_MODULATOR_FREQUENCY:
             if(val >= AL_RING_MODULATOR_MIN_FREQUENCY && val <= AL_RING_MODULATOR_MAX_FREQUENCY)
-                effect->Modulator.Frequency = val;
+                props->Modulator.Frequency = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_RING_MODULATOR_HIGHPASS_CUTOFF:
             if(val >= AL_RING_MODULATOR_MIN_HIGHPASS_CUTOFF && val <= AL_RING_MODULATOR_MAX_HIGHPASS_CUTOFF)
-                effect->Modulator.HighPassCutoff = val;
+                props->Modulator.HighPassCutoff = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -267,6 +268,7 @@ void ALmodulator_SetParamfv(ALeffect *effect, ALCcontext *context, ALenum param,
 }
 void ALmodulator_SetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_RING_MODULATOR_FREQUENCY:
@@ -276,7 +278,7 @@ void ALmodulator_SetParami(ALeffect *effect, ALCcontext *context, ALenum param,
 
         case AL_RING_MODULATOR_WAVEFORM:
             if(val >= AL_RING_MODULATOR_MIN_WAVEFORM && val <= AL_RING_MODULATOR_MAX_WAVEFORM)
-                effect->Modulator.Waveform = val;
+                props->Modulator.Waveform = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -293,16 +295,17 @@ void ALmodulator_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param,
 
 void ALmodulator_GetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_RING_MODULATOR_FREQUENCY:
-            *val = (ALint)effect->Modulator.Frequency;
+            *val = (ALint)props->Modulator.Frequency;
             break;
         case AL_RING_MODULATOR_HIGHPASS_CUTOFF:
-            *val = (ALint)effect->Modulator.HighPassCutoff;
+            *val = (ALint)props->Modulator.HighPassCutoff;
             break;
         case AL_RING_MODULATOR_WAVEFORM:
-            *val = effect->Modulator.Waveform;
+            *val = props->Modulator.Waveform;
             break;
 
         default:
@@ -316,13 +319,14 @@ void ALmodulator_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param,
 }
 void ALmodulator_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_RING_MODULATOR_FREQUENCY:
-            *val = effect->Modulator.Frequency;
+            *val = props->Modulator.Frequency;
             break;
         case AL_RING_MODULATOR_HIGHPASS_CUTOFF:
-            *val = effect->Modulator.HighPassCutoff;
+            *val = props->Modulator.HighPassCutoff;
             break;
 
         default:
diff --git a/Alc/effects/reverb.c b/Alc/effects/reverb.c
index 2421225d..b283b67f 100644
--- a/Alc/effects/reverb.c
+++ b/Alc/effects/reverb.c
@@ -1085,70 +1085,70 @@ static ALvoid ALreverbState_Update(ALreverbState *State, ALCdevice *Device, cons
     ALuint frequency = Device->Frequency;
     ALfloat cw, x, y, hfRatio;
 
-    if(Slot->effect.type == AL_EFFECT_EAXREVERB && !EmulateEAXReverb)
+    if(Slot->EffectType == AL_EFFECT_EAXREVERB && !EmulateEAXReverb)
         State->IsEax = AL_TRUE;
-    else if(Slot->effect.type == AL_EFFECT_REVERB || EmulateEAXReverb)
+    else if(Slot->EffectType == AL_EFFECT_REVERB || EmulateEAXReverb)
         State->IsEax = AL_FALSE;
 
     // Calculate the master low-pass filter (from the master effect HF gain).
     if(State->IsEax)
-        cw = CalcI3DL2HFreq(Slot->effect.Reverb.HFReference, frequency);
+        cw = CalcI3DL2HFreq(Slot->EffectProps.Reverb.HFReference, frequency);
     else
         cw = CalcI3DL2HFreq(LOWPASSFREQREF, frequency);
     // This is done with 2 chained 1-pole filters, so no need to square g.
-    State->LpFilter.coeff = lpCoeffCalc(Slot->effect.Reverb.GainHF, cw);
+    State->LpFilter.coeff = lpCoeffCalc(Slot->EffectProps.Reverb.GainHF, cw);
 
     if(State->IsEax)
     {
         // Update the modulator line.
-        UpdateModulator(Slot->effect.Reverb.ModulationTime,
-                        Slot->effect.Reverb.ModulationDepth,
+        UpdateModulator(Slot->EffectProps.Reverb.ModulationTime,
+                        Slot->EffectProps.Reverb.ModulationDepth,
                         frequency, State);
     }
 
     // Update the initial effect delay.
-    UpdateDelayLine(Slot->effect.Reverb.ReflectionsDelay,
-                    Slot->effect.Reverb.LateReverbDelay,
+    UpdateDelayLine(Slot->EffectProps.Reverb.ReflectionsDelay,
+                    Slot->EffectProps.Reverb.LateReverbDelay,
                     frequency, State);
 
     // Update the early lines.
-    UpdateEarlyLines(Slot->effect.Reverb.Gain,
-                     Slot->effect.Reverb.ReflectionsGain,
-                     Slot->effect.Reverb.LateReverbDelay, State);
+    UpdateEarlyLines(Slot->EffectProps.Reverb.Gain,
+                     Slot->EffectProps.Reverb.ReflectionsGain,
+                     Slot->EffectProps.Reverb.LateReverbDelay, State);
 
     // Update the decorrelator.
-    UpdateDecorrelator(Slot->effect.Reverb.Density, frequency, State);
+    UpdateDecorrelator(Slot->EffectProps.Reverb.Density, frequency, State);
 
     // Get the mixing matrix coefficients (x and y).
-    CalcMatrixCoeffs(Slot->effect.Reverb.Diffusion, &x, &y);
+    CalcMatrixCoeffs(Slot->EffectProps.Reverb.Diffusion, &x, &y);
     // Then divide x into y to simplify the matrix calculation.
     State->Late.MixCoeff = y / x;
 
     // If the HF limit parameter is flagged, calculate an appropriate limit
     // based on the air absorption parameter.
-    hfRatio = Slot->effect.Reverb.DecayHFRatio;
-    if(Slot->effect.Reverb.DecayHFLimit &&
-       Slot->effect.Reverb.AirAbsorptionGainHF < 1.0f)
+    hfRatio = Slot->EffectProps.Reverb.DecayHFRatio;
+    if(Slot->EffectProps.Reverb.DecayHFLimit &&
+       Slot->EffectProps.Reverb.AirAbsorptionGainHF < 1.0f)
         hfRatio = CalcLimitedHfRatio(hfRatio,
-                                     Slot->effect.Reverb.AirAbsorptionGainHF,
-                                     Slot->effect.Reverb.DecayTime);
+                                     Slot->EffectProps.Reverb.AirAbsorptionGainHF,
+                                     Slot->EffectProps.Reverb.DecayTime);
 
     // Update the late lines.
-    UpdateLateLines(Slot->effect.Reverb.Gain, Slot->effect.Reverb.LateReverbGain,
-                    x, Slot->effect.Reverb.Density, Slot->effect.Reverb.DecayTime,
-                    Slot->effect.Reverb.Diffusion, hfRatio, cw, frequency, State);
+    UpdateLateLines(Slot->EffectProps.Reverb.Gain, Slot->EffectProps.Reverb.LateReverbGain,
+                    x, Slot->EffectProps.Reverb.Density, Slot->EffectProps.Reverb.DecayTime,
+                    Slot->EffectProps.Reverb.Diffusion, hfRatio, cw, frequency, State);
 
     if(State->IsEax)
     {
         // Update the echo line.
-        UpdateEchoLine(Slot->effect.Reverb.Gain, Slot->effect.Reverb.LateReverbGain,
-                       Slot->effect.Reverb.EchoTime, Slot->effect.Reverb.DecayTime,
-                       Slot->effect.Reverb.Diffusion, Slot->effect.Reverb.EchoDepth,
+        UpdateEchoLine(Slot->EffectProps.Reverb.Gain, Slot->EffectProps.Reverb.LateReverbGain,
+                       Slot->EffectProps.Reverb.EchoTime, Slot->EffectProps.Reverb.DecayTime,
+                       Slot->EffectProps.Reverb.Diffusion, Slot->EffectProps.Reverb.EchoDepth,
                        hfRatio, cw, frequency, State);
 
         // Update early and late 3D panning.
-        Update3DPanning(Device, Slot->effect.Reverb.ReflectionsPan,
-                        Slot->effect.Reverb.LateReverbPan, Slot->Gain, State);
+        Update3DPanning(Device, Slot->EffectProps.Reverb.ReflectionsPan,
+                        Slot->EffectProps.Reverb.LateReverbPan, Slot->Gain, State);
     }
     else
     {
@@ -1292,11 +1292,12 @@ ALeffectStateFactory *ALreverbStateFactory_getFactory(void)
 
 void ALeaxreverb_SetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_EAXREVERB_DECAY_HFLIMIT:
             if(val >= AL_EAXREVERB_MIN_DECAY_HFLIMIT && val <= AL_EAXREVERB_MAX_DECAY_HFLIMIT)
-                effect->Reverb.DecayHFLimit = val;
+                props->Reverb.DecayHFLimit = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -1312,144 +1313,145 @@ void ALeaxreverb_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param,
 }
 void ALeaxreverb_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_EAXREVERB_DENSITY:
             if(val >= AL_EAXREVERB_MIN_DENSITY && val <= AL_EAXREVERB_MAX_DENSITY)
-                effect->Reverb.Density = val;
+                props->Reverb.Density = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_DIFFUSION:
             if(val >= AL_EAXREVERB_MIN_DIFFUSION && val <= AL_EAXREVERB_MAX_DIFFUSION)
-                effect->Reverb.Diffusion = val;
+                props->Reverb.Diffusion = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_GAIN:
             if(val >= AL_EAXREVERB_MIN_GAIN && val <= AL_EAXREVERB_MAX_GAIN)
-                effect->Reverb.Gain = val;
+                props->Reverb.Gain = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_GAINHF:
             if(val >= AL_EAXREVERB_MIN_GAINHF && val <= AL_EAXREVERB_MAX_GAINHF)
-                effect->Reverb.GainHF = val;
+                props->Reverb.GainHF = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_GAINLF:
             if(val >= AL_EAXREVERB_MIN_GAINLF && val <= AL_EAXREVERB_MAX_GAINLF)
-                effect->Reverb.GainLF = val;
+                props->Reverb.GainLF = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_DECAY_TIME:
             if(val >= AL_EAXREVERB_MIN_DECAY_TIME && val <= AL_EAXREVERB_MAX_DECAY_TIME)
-                effect->Reverb.DecayTime = val;
+                props->Reverb.DecayTime = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_DECAY_HFRATIO:
             if(val >= AL_EAXREVERB_MIN_DECAY_HFRATIO && val <= AL_EAXREVERB_MAX_DECAY_HFRATIO)
-                effect->Reverb.DecayHFRatio = val;
+                props->Reverb.DecayHFRatio = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_DECAY_LFRATIO:
             if(val >= AL_EAXREVERB_MIN_DECAY_LFRATIO && val <= AL_EAXREVERB_MAX_DECAY_LFRATIO)
-                effect->Reverb.DecayLFRatio = val;
+                props->Reverb.DecayLFRatio = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_REFLECTIONS_GAIN:
             if(val >= AL_EAXREVERB_MIN_REFLECTIONS_GAIN && val <= AL_EAXREVERB_MAX_REFLECTIONS_GAIN)
-                effect->Reverb.ReflectionsGain = val;
+                props->Reverb.ReflectionsGain = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_REFLECTIONS_DELAY:
             if(val >= AL_EAXREVERB_MIN_REFLECTIONS_DELAY && val <= AL_EAXREVERB_MAX_REFLECTIONS_DELAY)
-                effect->Reverb.ReflectionsDelay = val;
+                props->Reverb.ReflectionsDelay = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_LATE_REVERB_GAIN:
             if(val >= AL_EAXREVERB_MIN_LATE_REVERB_GAIN && val <= AL_EAXREVERB_MAX_LATE_REVERB_GAIN)
-                effect->Reverb.LateReverbGain = val;
+                props->Reverb.LateReverbGain = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_LATE_REVERB_DELAY:
             if(val >= AL_EAXREVERB_MIN_LATE_REVERB_DELAY && val <= AL_EAXREVERB_MAX_LATE_REVERB_DELAY)
-                effect->Reverb.LateReverbDelay = val;
+                props->Reverb.LateReverbDelay = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_AIR_ABSORPTION_GAINHF:
             if(val >= AL_EAXREVERB_MIN_AIR_ABSORPTION_GAINHF && val <= AL_EAXREVERB_MAX_AIR_ABSORPTION_GAINHF)
-                effect->Reverb.AirAbsorptionGainHF = val;
+                props->Reverb.AirAbsorptionGainHF = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_ECHO_TIME:
             if(val >= AL_EAXREVERB_MIN_ECHO_TIME && val <= AL_EAXREVERB_MAX_ECHO_TIME)
-                effect->Reverb.EchoTime = val;
+                props->Reverb.EchoTime = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_ECHO_DEPTH:
             if(val >= AL_EAXREVERB_MIN_ECHO_DEPTH && val <= AL_EAXREVERB_MAX_ECHO_DEPTH)
-                effect->Reverb.EchoDepth = val;
+                props->Reverb.EchoDepth = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_MODULATION_TIME:
             if(val >= AL_EAXREVERB_MIN_MODULATION_TIME && val <= AL_EAXREVERB_MAX_MODULATION_TIME)
-                effect->Reverb.ModulationTime = val;
+                props->Reverb.ModulationTime = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_MODULATION_DEPTH:
             if(val >= AL_EAXREVERB_MIN_MODULATION_DEPTH && val <= AL_EAXREVERB_MAX_MODULATION_DEPTH)
-                effect->Reverb.ModulationDepth = val;
+                props->Reverb.ModulationDepth = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_HFREFERENCE:
             if(val >= AL_EAXREVERB_MIN_HFREFERENCE && val <= AL_EAXREVERB_MAX_HFREFERENCE)
-                effect->Reverb.HFReference = val;
+                props->Reverb.HFReference = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_LFREFERENCE:
             if(val >= AL_EAXREVERB_MIN_LFREFERENCE && val <= AL_EAXREVERB_MAX_LFREFERENCE)
-                effect->Reverb.LFReference = val;
+                props->Reverb.LFReference = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_EAXREVERB_ROOM_ROLLOFF_FACTOR:
             if(val >= AL_EAXREVERB_MIN_ROOM_ROLLOFF_FACTOR && val <= AL_EAXREVERB_MAX_ROOM_ROLLOFF_FACTOR)
-                effect->Reverb.RoomRolloffFactor = val;
+                props->Reverb.RoomRolloffFactor = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -1461,15 +1463,16 @@ void ALeaxreverb_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param,
 }
 void ALeaxreverb_SetParamfv(ALeffect *effect, ALCcontext *context, ALenum param, const ALfloat *vals)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_EAXREVERB_REFLECTIONS_PAN:
             if(isfinite(vals[0]) && isfinite(vals[1]) && isfinite(vals[2]))
             {
                 LockContext(context);
-                effect->Reverb.ReflectionsPan[0] = vals[0];
-                effect->Reverb.ReflectionsPan[1] = vals[1];
-                effect->Reverb.ReflectionsPan[2] = vals[2];
+                props->Reverb.ReflectionsPan[0] = vals[0];
+                props->Reverb.ReflectionsPan[1] = vals[1];
+                props->Reverb.ReflectionsPan[2] = vals[2];
                 UnlockContext(context);
             }
             else
@@ -1479,9 +1482,9 @@ void ALeaxreverb_SetParamfv(ALeffect *effect, ALCcontext *context, ALenum param,
             if(isfinite(vals[0]) && isfinite(vals[1]) && isfinite(vals[2]))
             {
                 LockContext(context);
-                effect->Reverb.LateReverbPan[0] = vals[0];
-                effect->Reverb.LateReverbPan[1] = vals[1];
-                effect->Reverb.LateReverbPan[2] = vals[2];
+                props->Reverb.LateReverbPan[0] = vals[0];
+                props->Reverb.LateReverbPan[1] = vals[1];
+                props->Reverb.LateReverbPan[2] = vals[2];
                 UnlockContext(context);
             }
             else
@@ -1496,10 +1499,11 @@ void ALeaxreverb_SetParamfv(ALeffect *effect, ALCcontext *context, ALenum param,
 
 void ALeaxreverb_GetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_EAXREVERB_DECAY_HFLIMIT:
-            *val = effect->Reverb.DecayHFLimit;
+            *val = props->Reverb.DecayHFLimit;
             break;
 
         default:
@@ -1513,86 +1517,87 @@ void ALeaxreverb_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param,
 }
 void ALeaxreverb_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_EAXREVERB_DENSITY:
-            *val = effect->Reverb.Density;
+            *val = props->Reverb.Density;
             break;
 
         case AL_EAXREVERB_DIFFUSION:
-            *val = effect->Reverb.Diffusion;
+            *val = props->Reverb.Diffusion;
             break;
 
         case AL_EAXREVERB_GAIN:
-            *val = effect->Reverb.Gain;
+            *val = props->Reverb.Gain;
             break;
 
         case AL_EAXREVERB_GAINHF:
-            *val = effect->Reverb.GainHF;
+            *val = props->Reverb.GainHF;
             break;
 
         case AL_EAXREVERB_GAINLF:
-            *val = effect->Reverb.GainLF;
+            *val = props->Reverb.GainLF;
             break;
 
         case AL_EAXREVERB_DECAY_TIME:
-            *val = effect->Reverb.DecayTime;
+            *val = props->Reverb.DecayTime;
             break;
 
         case AL_EAXREVERB_DECAY_HFRATIO:
-            *val = effect->Reverb.DecayHFRatio;
+            *val = props->Reverb.DecayHFRatio;
             break;
 
         case AL_EAXREVERB_DECAY_LFRATIO:
-            *val = effect->Reverb.DecayLFRatio;
+            *val = props->Reverb.DecayLFRatio;
             break;
 
         case AL_EAXREVERB_REFLECTIONS_GAIN:
-            *val = effect->Reverb.ReflectionsGain;
+            *val = props->Reverb.ReflectionsGain;
             break;
 
         case AL_EAXREVERB_REFLECTIONS_DELAY:
-            *val = effect->Reverb.ReflectionsDelay;
+            *val = props->Reverb.ReflectionsDelay;
             break;
 
         case AL_EAXREVERB_LATE_REVERB_GAIN:
-            *val = effect->Reverb.LateReverbGain;
+            *val = props->Reverb.LateReverbGain;
             break;
 
         case AL_EAXREVERB_LATE_REVERB_DELAY:
-            *val = effect->Reverb.LateReverbDelay;
+            *val = props->Reverb.LateReverbDelay;
             break;
 
         case AL_EAXREVERB_AIR_ABSORPTION_GAINHF:
-            *val = effect->Reverb.AirAbsorptionGainHF;
+            *val = props->Reverb.AirAbsorptionGainHF;
             break;
 
         case AL_EAXREVERB_ECHO_TIME:
-            *val = effect->Reverb.EchoTime;
+            *val = props->Reverb.EchoTime;
             break;
 
         case AL_EAXREVERB_ECHO_DEPTH:
-            *val = effect->Reverb.EchoDepth;
+            *val = props->Reverb.EchoDepth;
             break;
 
         case AL_EAXREVERB_MODULATION_TIME:
-            *val = effect->Reverb.ModulationTime;
+            *val = props->Reverb.ModulationTime;
             break;
 
         case AL_EAXREVERB_MODULATION_DEPTH:
-            *val = effect->Reverb.ModulationDepth;
+            *val = props->Reverb.ModulationDepth;
             break;
 
         case AL_EAXREVERB_HFREFERENCE:
-            *val = effect->Reverb.HFReference;
+            *val = props->Reverb.HFReference;
             break;
 
         case AL_EAXREVERB_LFREFERENCE:
-            *val = effect->Reverb.LFReference;
+            *val = props->Reverb.LFReference;
             break;
 
         case AL_EAXREVERB_ROOM_ROLLOFF_FACTOR:
-            *val = effect->Reverb.RoomRolloffFactor;
+            *val = props->Reverb.RoomRolloffFactor;
             break;
 
         default:
@@ -1602,20 +1607,21 @@ void ALeaxreverb_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param,
 }
 void ALeaxreverb_GetParamfv(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *vals)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_EAXREVERB_REFLECTIONS_PAN:
             LockContext(context);
-            vals[0] = effect->Reverb.ReflectionsPan[0];
-            vals[1] = effect->Reverb.ReflectionsPan[1];
-            vals[2] = effect->Reverb.ReflectionsPan[2];
+            vals[0] = props->Reverb.ReflectionsPan[0];
+            vals[1] = props->Reverb.ReflectionsPan[1];
+            vals[2] = props->Reverb.ReflectionsPan[2];
             UnlockContext(context);
             break;
         case AL_EAXREVERB_LATE_REVERB_PAN:
             LockContext(context);
-            vals[0] = effect->Reverb.LateReverbPan[0];
-            vals[1] = effect->Reverb.LateReverbPan[1];
-            vals[2] = effect->Reverb.LateReverbPan[2];
+            vals[0] = props->Reverb.LateReverbPan[0];
+            vals[1] = props->Reverb.LateReverbPan[1];
+            vals[2] = props->Reverb.LateReverbPan[2];
             UnlockContext(context);
             break;
 
@@ -1629,11 +1635,12 @@ DEFINE_ALEFFECT_VTABLE(ALeaxreverb);
 
 void ALreverb_SetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_REVERB_DECAY_HFLIMIT:
             if(val >= AL_REVERB_MIN_DECAY_HFLIMIT && val <= AL_REVERB_MAX_DECAY_HFLIMIT)
-                effect->Reverb.DecayHFLimit = val;
+                props->Reverb.DecayHFLimit = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -1649,88 +1656,89 @@ void ALreverb_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, co
 }
 void ALreverb_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val)
 {
+    ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_REVERB_DENSITY:
             if(val >= AL_REVERB_MIN_DENSITY && val <= AL_REVERB_MAX_DENSITY)
-                effect->Reverb.Density = val;
+                props->Reverb.Density = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_REVERB_DIFFUSION:
             if(val >= AL_REVERB_MIN_DIFFUSION && val <= AL_REVERB_MAX_DIFFUSION)
-                effect->Reverb.Diffusion = val;
+                props->Reverb.Diffusion = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_REVERB_GAIN:
             if(val >= AL_REVERB_MIN_GAIN && val <= AL_REVERB_MAX_GAIN)
-                effect->Reverb.Gain = val;
+                props->Reverb.Gain = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_REVERB_GAINHF:
             if(val >= AL_REVERB_MIN_GAINHF && val <= AL_REVERB_MAX_GAINHF)
-                effect->Reverb.GainHF = val;
+                props->Reverb.GainHF = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_REVERB_DECAY_TIME:
             if(val >= AL_REVERB_MIN_DECAY_TIME && val <= AL_REVERB_MAX_DECAY_TIME)
-                effect->Reverb.DecayTime = val;
+                props->Reverb.DecayTime = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_REVERB_DECAY_HFRATIO:
             if(val >= AL_REVERB_MIN_DECAY_HFRATIO && val <= AL_REVERB_MAX_DECAY_HFRATIO)
-                effect->Reverb.DecayHFRatio = val;
+                props->Reverb.DecayHFRatio = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_REVERB_REFLECTIONS_GAIN:
             if(val >= AL_REVERB_MIN_REFLECTIONS_GAIN && val <= AL_REVERB_MAX_REFLECTIONS_GAIN)
-                effect->Reverb.ReflectionsGain = val;
+                props->Reverb.ReflectionsGain = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_REVERB_REFLECTIONS_DELAY:
             if(val >= AL_REVERB_MIN_REFLECTIONS_DELAY && val <= AL_REVERB_MAX_REFLECTIONS_DELAY)
-                effect->Reverb.ReflectionsDelay = val;
+                props->Reverb.ReflectionsDelay = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_REVERB_LATE_REVERB_GAIN:
             if(val >= AL_REVERB_MIN_LATE_REVERB_GAIN && val <= AL_REVERB_MAX_LATE_REVERB_GAIN)
-                effect->Reverb.LateReverbGain = val;
+                props->Reverb.LateReverbGain = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_REVERB_LATE_REVERB_DELAY:
             if(val >= AL_REVERB_MIN_LATE_REVERB_DELAY && val <= AL_REVERB_MAX_LATE_REVERB_DELAY)
-                effect->Reverb.LateReverbDelay = val;
+                props->Reverb.LateReverbDelay = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_REVERB_AIR_ABSORPTION_GAINHF:
             if(val >= AL_REVERB_MIN_AIR_ABSORPTION_GAINHF && val <= AL_REVERB_MAX_AIR_ABSORPTION_GAINHF)
-                effect->Reverb.AirAbsorptionGainHF = val;
+                props->Reverb.AirAbsorptionGainHF = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
 
         case AL_REVERB_ROOM_ROLLOFF_FACTOR:
             if(val >= AL_REVERB_MIN_ROOM_ROLLOFF_FACTOR && val <= AL_REVERB_MAX_ROOM_ROLLOFF_FACTOR)
-                effect->Reverb.RoomRolloffFactor = val;
+                props->Reverb.RoomRolloffFactor = val;
             else
                 alSetError(context, AL_INVALID_VALUE);
             break;
@@ -1747,10 +1755,11 @@ void ALreverb_SetParamfv(ALeffect *effect, ALCcontext *context, ALenum param, co
 
 void ALreverb_GetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_REVERB_DECAY_HFLIMIT:
-            *val = effect->Reverb.DecayHFLimit;
+            *val = props->Reverb.DecayHFLimit;
             break;
 
         default:
@@ -1764,54 +1773,55 @@ void ALreverb_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, AL
 }
 void ALreverb_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val)
 {
+    const ALeffectProps *props = &effect->Props;
     switch(param)
     {
         case AL_REVERB_DENSITY:
-            *val = effect->Reverb.Density;
+            *val = props->Reverb.Density;
             break;
 
         case AL_REVERB_DIFFUSION:
-            *val = effect->Reverb.Diffusion;
+            *val = props->Reverb.Diffusion;
             break;
 
         case AL_REVERB_GAIN:
-            *val = effect->Reverb.Gain;
+            *val = props->Reverb.Gain;
             break;
 
         case AL_REVERB_GAINHF:
-            *val = effect->Reverb.GainHF;
+            *val = props->Reverb.GainHF;
             break;
 
         case AL_REVERB_DECAY_TIME:
-            *val = effect->Reverb.DecayTime;
+            *val = props->Reverb.DecayTime;
             break;
 
         case AL_REVERB_DECAY_HFRATIO:
-            *val = effect->Reverb.DecayHFRatio;
+            *val = props->Reverb.DecayHFRatio;
             break;
 
         case AL_REVERB_REFLECTIONS_GAIN:
-            *val = effect->Reverb.ReflectionsGain;
+            *val = props->Reverb.ReflectionsGain;
             break;
 
         case AL_REVERB_REFLECTIONS_DELAY:
-            *val = effect->Reverb.ReflectionsDelay;
+            *val = props->Reverb.ReflectionsDelay;
             break;
 
         case AL_REVERB_LATE_REVERB_GAIN:
-            *val = effect->Reverb.LateReverbGain;
+            *val = props->Reverb.LateReverbGain;
             break;
 
         case AL_REVERB_LATE_REVERB_DELAY:
-            *val = effect->Reverb.LateReverbDelay;
+            *val = props->Reverb.LateReverbDelay;
             break;
 
         case AL_REVERB_AIR_ABSORPTION_GAINHF:
-            *val = effect->Reverb.AirAbsorptionGainHF;
+            *val = props->Reverb.AirAbsorptionGainHF;
             break;
 
         case AL_REVERB_ROOM_ROLLOFF_FACTOR:
-            *val = effect->Reverb.RoomRolloffFactor;
+            *val = props->Reverb.RoomRolloffFactor;
             break;
 
         default: