Move moisture/ice/droplet radius controls to atmos tab instead of (hidden) density tab.

Make frag shader version of vert WL shader to include rainbow/halo effect in non-advanced WL sky.

6 files changed, 343 insertions, 94 deletions

diff --git a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl
new file mode 100644
index 0000000000..3232f81cd9
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl
@@ -0,0 +1,197 @@
+/** 
+ * @file class2/deferred/skyF.glsl
+ *
+ * $LicenseInfo:firstyear=2005&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2005, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+uniform mat4 modelview_projection_matrix;
+
+// SKY ////////////////////////////////////////////////////////////////////////
+// The vertex shader for creating the atmospheric sky
+///////////////////////////////////////////////////////////////////////////////
+
+// Inputs
+uniform vec3 camPosLocal;
+
+uniform vec4 lightnorm;
+uniform vec4 sunlight_color;
+uniform vec4 ambient;
+uniform vec4 blue_horizon;
+uniform vec4 blue_density;
+uniform float haze_horizon;
+uniform float haze_density;
+
+uniform float cloud_shadow;
+uniform float density_multiplier;
+uniform float max_y;
+
+uniform vec4 glow;
+
+uniform vec4 cloud_color;
+
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_data[3];
+#else
+#define frag_data gl_FragData
+#endif
+
+VARYING vec3 pos;
+
+/////////////////////////////////////////////////////////////////////////
+// The fragment shader for the sky
+/////////////////////////////////////////////////////////////////////////
+
+uniform vec4 gamma;
+uniform sampler2D rainbow_map;
+uniform sampler2D halo_map;
+
+uniform float moisture_level;
+uniform float droplet_radius;
+uniform float ice_level;
+
+vec3 rainbow(float d)
+{
+   float rad = (droplet_radius - 5.0f) / 1024.0f;
+   return pow(texture2D(rainbow_map, vec2(rad, d)).rgb, vec3(1.8)) * moisture_level;
+}
+
+vec3 halo22(float d)
+{
+   float v = sqrt(max(0, 1 - (d*d)));
+   return texture2D(halo_map, vec2(0, v)).rgb * ice_level;
+}
+
+/// Soft clips the light with a gamma correction
+vec3 scaleSoftClip(vec3 light);
+
+void main()
+{
+
+	// World / view / projection
+	// Get relative position
+	vec3 P = pos.xyz - camPosLocal.xyz + vec3(0,50,0);
+
+	// Set altitude
+	if (P.y > 0.)
+	{
+		P *= (max_y / P.y);
+	}
+	else
+	{
+		P *= (-32000. / P.y);
+	}
+
+	// Can normalize then
+	vec3 Pn = normalize(P);
+	float  Plen = length(P);
+
+	// Initialize temp variables
+	vec4 temp1 = vec4(0.);
+	vec4 temp2 = vec4(0.);
+	vec4 blue_weight;
+	vec4 haze_weight;
+	vec4 sunlight = sunlight_color;
+	vec4 light_atten;
+
+
+	// Sunlight attenuation effect (hue and brightness) due to atmosphere
+	// this is used later for sunlight modulation at various altitudes
+	light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y);
+
+	// Calculate relative weights
+	temp1 = blue_density + haze_density;
+	blue_weight = blue_density / temp1;
+	haze_weight = haze_density / temp1;
+
+	// Compute sunlight from P & lightnorm (for long rays like sky)
+	temp2.y = max(0., max(0., Pn.y) * 1.0 + lightnorm.y );
+	temp2.y = 1. / temp2.y;
+	sunlight *= exp( - light_atten * temp2.y);
+
+	// Distance
+	temp2.z = Plen * density_multiplier;
+
+	// Transparency (-> temp1)
+	// ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati
+	// compiler gets confused.
+	temp1 = exp(-temp1 * temp2.z);
+
+
+	// Compute haze glow
+	temp2.x = dot(Pn, lightnorm.xyz);
+	temp2.x = 1. - temp2.x;
+		// temp2.x is 0 at the sun and increases away from sun
+	temp2.x = max(temp2.x, .001);	
+		// Set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot)
+	temp2.x *= glow.x;
+		// Higher glow.x gives dimmer glow (because next step is 1 / "angle")
+	temp2.x = pow(temp2.x, glow.z);
+		// glow.z should be negative, so we're doing a sort of (1 / "angle") function
+
+	// Add "minimum anti-solar illumination"
+	temp2.x += .25;
+
+
+	// Haze color above cloud
+	vec4 color = (	  blue_horizon * blue_weight * (sunlight + ambient)
+				+ (haze_horizon * haze_weight) * (sunlight * temp2.x + ambient)
+			 );	
+
+
+	// Increase ambient when there are more clouds
+	vec4 tmpAmbient = ambient;
+	tmpAmbient += (1. - tmpAmbient) * cloud_shadow * 0.5; 
+
+	// Dim sunlight by cloud shadow percentage
+	sunlight *= (1. - cloud_shadow);
+
+	// Haze color below cloud
+	vec4 additiveColorBelowCloud = (	  blue_horizon * blue_weight * (sunlight + tmpAmbient)
+				+ (haze_horizon * haze_weight) * (sunlight * temp2.x + tmpAmbient)
+			 );	
+
+	// Final atmosphere additive
+	color *= (1. - temp1);
+	
+	// Attenuate cloud color by atmosphere
+	temp1 = sqrt(temp1);	//less atmos opacity (more transparency) below clouds
+
+	// At horizon, blend high altitude sky color towards the darker color below the clouds
+	color += (additiveColorBelowCloud - color) * (1. - sqrt(temp1));
+	
+    float optic_d = dot(Pn, lightnorm.xyz);
+
+    vec3 halo_22 = halo22(optic_d);
+
+    if (optic_d <= 0)
+    color.rgb += rainbow(optic_d);
+
+    color.rgb += halo_22;
+
+	color *= 2.;
+
+	/// Gamma correct for WL (soft clip effect).
+	frag_data[0] = vec4(scaleSoftClip(color.rgb), 1.0);
+	frag_data[1] = vec4(0.0,0.0,0.0,0.0);
+	frag_data[2] = vec4(0.5,0.5,0.0,1.0); //1.0 in norm.w masks off fog
+}
+
diff --git a/indra/newview/app_settings/shaders/class2/deferred/skyV.glsl b/indra/newview/app_settings/shaders/class2/deferred/skyV.glsl
new file mode 100644
index 0000000000..bcf775577a
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class2/deferred/skyV.glsl
@@ -0,0 +1,42 @@
+/** 
+ * @file WLSkyV.glsl
+ *
+ * $LicenseInfo:firstyear=2005&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2005, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+uniform mat4 modelview_projection_matrix;
+
+ATTRIBUTE vec3 position;
+
+// SKY ////////////////////////////////////////////////////////////////////////
+// The vertex shader for creating the atmospheric sky
+///////////////////////////////////////////////////////////////////////////////
+
+VARYING vec3 pos;
+
+void main()
+{
+
+	// World / view / projection
+    pos = position.xyz;
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
+}
diff --git a/indra/newview/llpaneleditsky.cpp b/indra/newview/llpaneleditsky.cpp
index d0e916363d..1ae220a5ca 100644
--- a/indra/newview/llpaneleditsky.cpp
+++ b/indra/newview/llpaneleditsky.cpp
@@ -137,7 +137,9 @@ BOOL LLPanelSettingsSkyAtmosTab::postBuild()
     getChild<LLUICtrl>(FIELD_SKY_DENSITY_MULTIP)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onDensityMultipChanged(); });
     getChild<LLUICtrl>(FIELD_SKY_DISTANCE_MULTIP)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onDistanceMultipChanged(); });
     getChild<LLUICtrl>(FIELD_SKY_MAX_ALT)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onMaxAltChanged(); });
-
+    getChild<LLUICtrl>(FIELD_SKY_DENSITY_MOISTURE_LEVEL)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onMoistureLevelChanged(); });
+    getChild<LLUICtrl>(FIELD_SKY_DENSITY_DROPLET_RADIUS)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onDropletRadiusChanged(); });
+    getChild<LLUICtrl>(FIELD_SKY_DENSITY_ICE_LEVEL)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onIceLevelChanged(); });
     refresh();
 
     return TRUE;
@@ -153,6 +155,9 @@ void LLPanelSettingsSkyAtmosTab::setEnabled(BOOL enabled)
     getChild<LLUICtrl>(FIELD_SKY_DENSITY_MULTIP)->setEnabled(enabled);
     getChild<LLUICtrl>(FIELD_SKY_DISTANCE_MULTIP)->setEnabled(enabled);
     getChild<LLUICtrl>(FIELD_SKY_MAX_ALT)->setEnabled(enabled);
+    getChild<LLUICtrl>(FIELD_SKY_DENSITY_MOISTURE_LEVEL)->setEnabled(enabled);
+    getChild<LLUICtrl>(FIELD_SKY_DENSITY_DROPLET_RADIUS)->setEnabled(enabled);
+    getChild<LLUICtrl>(FIELD_SKY_DENSITY_ICE_LEVEL)->setEnabled(enabled);
 }
 
 void LLPanelSettingsSkyAtmosTab::refresh()
@@ -178,6 +183,13 @@ void LLPanelSettingsSkyAtmosTab::refresh()
     getChild<LLUICtrl>(FIELD_SKY_DISTANCE_MULTIP)->setValue(mSkySettings->getDistanceMultiplier());
     getChild<LLUICtrl>(FIELD_SKY_MAX_ALT)->setValue(mSkySettings->getMaxY());
 
+    F32 moisture_level  = mSkySettings->getSkyMoistureLevel();
+    F32 droplet_radius  = mSkySettings->getSkyDropletRadius();
+    F32 ice_level       = mSkySettings->getSkyIceLevel();
+
+    getChild<LLUICtrl>(FIELD_SKY_DENSITY_MOISTURE_LEVEL)->setValue(moisture_level);
+    getChild<LLUICtrl>(FIELD_SKY_DENSITY_DROPLET_RADIUS)->setValue(droplet_radius);
+    getChild<LLUICtrl>(FIELD_SKY_DENSITY_ICE_LEVEL)->setValue(ice_level);
 }
 
 //-------------------------------------------------------------------------
@@ -244,13 +256,36 @@ void LLPanelSettingsSkyAtmosTab::onMaxAltChanged()
     setIsDirty();
 }
 
+void LLPanelSettingsSkyAtmosTab::onMoistureLevelChanged()
+{
+    F32 moisture_level  = getChild<LLUICtrl>(FIELD_SKY_DENSITY_MOISTURE_LEVEL)->getValue().asReal();
+    mSkySettings->setSkyMoistureLevel(moisture_level);
+    mSkySettings->update();
+    setIsDirty();
+}
+
+void LLPanelSettingsSkyAtmosTab::onDropletRadiusChanged()
+{    
+    F32 droplet_radius = getChild<LLUICtrl>(FIELD_SKY_DENSITY_DROPLET_RADIUS)->getValue().asReal();
+    mSkySettings->setSkyDropletRadius(droplet_radius);
+    mSkySettings->update();
+    setIsDirty();
+}
+
+void LLPanelSettingsSkyAtmosTab::onIceLevelChanged()
+{
+    F32 ice_level = getChild<LLUICtrl>(FIELD_SKY_DENSITY_ICE_LEVEL)->getValue().asReal();
+    mSkySettings->setSkyIceLevel(ice_level);
+    mSkySettings->update();
+    setIsDirty();
+}
+
 //==========================================================================
 LLPanelSettingsSkyCloudTab::LLPanelSettingsSkyCloudTab() :
     LLPanelSettingsSky()
 {
 }
 
-
 BOOL LLPanelSettingsSkyCloudTab::postBuild()
 {
     getChild<LLUICtrl>(FIELD_SKY_CLOUD_COLOR)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onCloudColorChanged(); });
@@ -564,10 +599,6 @@ BOOL LLPanelSettingsSkyDensityTab::postBuild()
 
     getChild<LLUICtrl>(FIELD_SKY_DENSITY_ABSORPTION_MAX_ALTITUDE)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onAbsorptionMaxAltitudeChanged(); });
 
-    getChild<LLUICtrl>(FIELD_SKY_DENSITY_MOISTURE_LEVEL)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onMoistureLevelChanged(); });
-    getChild<LLUICtrl>(FIELD_SKY_DENSITY_DROPLET_RADIUS)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onDropletRadiusChanged(); });
-    getChild<LLUICtrl>(FIELD_SKY_DENSITY_ICE_LEVEL)->setCommitCallback([this](LLUICtrl *, const LLSD &) { onIceLevelChanged(); });
-
     refresh();
     return TRUE;
 }
@@ -594,11 +625,6 @@ void LLPanelSettingsSkyDensityTab::setEnabled(BOOL enabled)
     getChild<LLUICtrl>(FIELD_SKY_DENSITY_ABSORPTION_LINEAR)->setEnabled(enabled);
     getChild<LLUICtrl>(FIELD_SKY_DENSITY_ABSORPTION_CONSTANT)->setEnabled(enabled);
     getChild<LLUICtrl>(FIELD_SKY_DENSITY_ABSORPTION_MAX_ALTITUDE)->setEnabled(enabled);
-
-    getChild<LLUICtrl>(FIELD_SKY_DENSITY_MOISTURE_LEVEL)->setEnabled(enabled);
-    getChild<LLUICtrl>(FIELD_SKY_DENSITY_DROPLET_RADIUS)->setEnabled(enabled);
-    getChild<LLUICtrl>(FIELD_SKY_DENSITY_ICE_LEVEL)->setEnabled(enabled);
-
 }
 
 void LLPanelSettingsSkyDensityTab::refresh()
@@ -637,10 +663,6 @@ void LLPanelSettingsSkyDensityTab::refresh()
     F32 absorption_constant_term     = absorption_config[LLSettingsSky::SETTING_DENSITY_PROFILE_EXP_TERM].asReal();
     F32 absorption_max_alt           = absorption_config[LLSettingsSky::SETTING_DENSITY_PROFILE_WIDTH].asReal();
 
-    F32 moisture_level  = mSkySettings->getSkyMoistureLevel();
-    F32 droplet_radius  = mSkySettings->getSkyDropletRadius();
-    F32 ice_level       = mSkySettings->getSkyIceLevel();
-
     getChild<LLUICtrl>(FIELD_SKY_DENSITY_RAYLEIGH_EXPONENTIAL)->setValue(rayleigh_exponential_term);
     getChild<LLUICtrl>(FIELD_SKY_DENSITY_RAYLEIGH_EXPONENTIAL_SCALE)->setValue(rayleigh_exponential_scale);
     getChild<LLUICtrl>(FIELD_SKY_DENSITY_RAYLEIGH_LINEAR)->setValue(rayleigh_linear_term);
@@ -659,10 +681,6 @@ void LLPanelSettingsSkyDensityTab::refresh()
     getChild<LLUICtrl>(FIELD_SKY_DENSITY_ABSORPTION_LINEAR)->setValue(absorption_linear_term);
     getChild<LLUICtrl>(FIELD_SKY_DENSITY_ABSORPTION_CONSTANT)->setValue(absorption_constant_term);
     getChild<LLUICtrl>(FIELD_SKY_DENSITY_ABSORPTION_MAX_ALTITUDE)->setValue(absorption_max_alt);
-
-    getChild<LLUICtrl>(FIELD_SKY_DENSITY_MOISTURE_LEVEL)->setValue(moisture_level);
-    getChild<LLUICtrl>(FIELD_SKY_DENSITY_DROPLET_RADIUS)->setValue(droplet_radius);
-    getChild<LLUICtrl>(FIELD_SKY_DENSITY_ICE_LEVEL)->setValue(ice_level);
 }
 
 void LLPanelSettingsSkyDensityTab::updateProfile()
@@ -690,10 +708,6 @@ void LLPanelSettingsSkyDensityTab::updateProfile()
     LLSD mie_config         = LLSettingsSky::createSingleLayerDensityProfile(mie_max_alt, mie_exponential_term, mie_exponential_scale, mie_linear_term, mie_constant_term, mie_aniso_factor);
     LLSD absorption_layer   = LLSettingsSky::createSingleLayerDensityProfile(absorption_max_alt, absorption_exponential_term, absorption_exponential_scale, absorption_linear_term, absorption_constant_term);
 
-    F32 moisture_level  = getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_MOISTURE_LEVEL)->getValueF32();
-    F32 droplet_radius  = getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_DROPLET_RADIUS)->getValueF32();
-    F32 ice_level       = getChild<LLSliderCtrl>(FIELD_SKY_DENSITY_ICE_LEVEL)->getValueF32();
-
     static LLSD absorption_layer_ozone = LLSettingsSky::createDensityProfileLayer(0.0f, 0.0f, 0.0f, -1.0f / 15000.0f, 8.0f / 3.0f);
 
     LLSD absorption_config;
@@ -703,9 +717,6 @@ void LLPanelSettingsSkyDensityTab::updateProfile()
     mSkySettings->setRayleighConfigs(rayleigh_config);
     mSkySettings->setMieConfigs(mie_config);
     mSkySettings->setAbsorptionConfigs(absorption_config);
-    mSkySettings->setSkyMoistureLevel(moisture_level);
-    mSkySettings->setSkyDropletRadius(droplet_radius);
-    mSkySettings->setSkyIceLevel(ice_level);
     mSkySettings->update();
     setIsDirty();
 
@@ -796,18 +807,3 @@ void LLPanelSettingsSkyDensityTab::onAbsorptionMaxAltitudeChanged()
 {
     updateProfile();
 }
-
-void LLPanelSettingsSkyDensityTab::onMoistureLevelChanged()
-{
-    updateProfile();
-}
-
-void LLPanelSettingsSkyDensityTab::onDropletRadiusChanged()
-{
-    updateProfile();
-}
-
-void LLPanelSettingsSkyDensityTab::onIceLevelChanged()
-{
-    updateProfile();
-}
diff --git a/indra/newview/llpaneleditsky.h b/indra/newview/llpaneleditsky.h
index 002586b550..c02c9c95a0 100644
--- a/indra/newview/llpaneleditsky.h
+++ b/indra/newview/llpaneleditsky.h
@@ -76,6 +76,10 @@ private:
     void                    onDensityMultipChanged();
     void                    onDistanceMultipChanged();
     void                    onMaxAltChanged();
+    void                    onMoistureLevelChanged();
+    void                    onDropletRadiusChanged();
+    void                    onIceLevelChanged();
+
 };
 
 class LLPanelSettingsSkyCloudTab : public LLPanelSettingsSky
@@ -160,9 +164,6 @@ protected:
     void onAbsorptionLinearChanged();
     void onAbsorptionConstantChanged();
     void onAbsorptionMaxAltitudeChanged();
-    void onMoistureLevelChanged();
-    void onDropletRadiusChanged();
-    void onIceLevelChanged();
 
     // update the settings for our profile type
     void updateProfile();
diff --git a/indra/newview/skins/default/xui/en/panel_settings_sky_atmos.xml b/indra/newview/skins/default/xui/en/panel_settings_sky_atmos.xml
index 18c2ac0db9..5af009e3aa 100644
--- a/indra/newview/skins/default/xui/en/panel_settings_sky_atmos.xml
+++ b/indra/newview/skins/default/xui/en/panel_settings_sky_atmos.xml
@@ -154,6 +154,69 @@
                             left_delta="-5"
                             top_delta="25"
                             width="80">
+                        Moisture Level:
+                    </text>
+                     <slider
+                            decimal_digits="3"
+                            follows="left|top"
+                            height="14"
+                            increment="0.001"
+                            initial_value="0"
+                            layout="topleft"
+                            min_val="0"
+                            max_val="1"
+                            name="moisture_level"
+                            width="207"
+                            can_edit_text="true"/>
+                    <text
+                            follows="left|top"
+                            height="10"
+                            layout="topleft"
+                            left_delta="-5"
+                            top_delta="25"
+                            width="80">
+                        Droplet Radius:
+                    </text>
+                    <slider
+                            decimal_digits="2"
+                            follows="left|top"
+                            height="14"
+                            increment="0.01"
+                            initial_value="0"
+                            layout="topleft"
+                            min_val="5.0"
+                            max_val="1000.0"
+                            name="droplet_radius"
+                            width="207"
+                            can_edit_text="true"/>
+                    <text
+                            follows="left|top"
+                            height="10"
+                            layout="topleft"
+                            left_delta="-5"
+                            top_delta="25"
+                            width="80">
+                        Ice Level:
+                    </text>
+                    <slider
+                            decimal_digits="1"
+                            follows="left|top"
+                            height="14"
+                            increment="0.1"
+                            initial_value="0"
+                            layout="topleft"
+                            min_val="0"
+                            max_val="1"
+                            name="ice_level"
+                            width="207"
+                            can_edit_text="true"/>
+                    <text
+                            follows="left|top"
+                            height="10"
+                            layout="topleft"
+                            left_delta="-5"
+                            top_delta="25"
+                            width="80">
                         Scene Gamma:
                     </text>
                     <slider
diff --git a/indra/newview/skins/default/xui/en/panel_settings_sky_density.xml b/indra/newview/skins/default/xui/en/panel_settings_sky_density.xml
index a21ba44b32..b3a33961bc 100644
--- a/indra/newview/skins/default/xui/en/panel_settings_sky_density.xml
+++ b/indra/newview/skins/default/xui/en/panel_settings_sky_density.xml
@@ -269,55 +269,5 @@
                     label_width="160"
                     can_edit_text="true"/>
         </layout_panel>
-        <layout_panel
-                border="true"
-                bevel_style="in"
-                auto_resize="true"
-                user_resize="false"
-                visible="true"
-                height="14">
-             <slider
-                    decimal_digits="3"
-                    follows="left|top"
-                    height="14"
-                    increment="0.001"
-                    initial_value="0"
-                    layout="topleft"
-                    min_val="0"
-                    max_val="1"
-                    name="moisture_level"
-                    label="Moisture Level:"
-                    width="400"
-                    label_width="160"
-                    can_edit_text="true"/>
-            <slider
-                    decimal_digits="2"
-                    follows="left|top"
-                    height="14"
-                    increment="0.01"
-                    initial_value="0"
-                    layout="topleft"
-                    min_val="5.0"
-                    max_val="1000.0"
-                    name="droplet_radius"
-                    label="Droplet Radius:"
-                    width="400"
-                    label_width="160"
-                    can_edit_text="true"/>
-            <slider
-                    decimal_digits="1"
-                    follows="left|top"
-                    height="14"
-                    increment="0.1"
-                    initial_value="0"
-                    layout="topleft"
-                    min_val="0"
-                    max_val="1"
-                    name="ice_level"
-                    label="Ice Level:"
-                    width="400"
-                    label_width="160"
-                    can_edit_text="true"/>
-        </layout_panel>
     </layout_stack>
 </panel>