WIP check-in to allow merge of upstream changes.

2 files changed, 77 insertions, 35 deletions

diff --git a/indra/llinventory/llsettingssky.cpp b/indra/llinventory/llsettingssky.cpp
index 4451bd753b..a7f9aa7842 100644
--- a/indra/llinventory/llsettingssky.cpp
+++ b/indra/llinventory/llsettingssky.cpp
@@ -554,36 +554,53 @@ LLSettingsSky::validation_list_t LLSettingsSky::validationList()
     return validation;
 }
 
+LLSD LLSettingsSky::createDensityProfileLayer(
+    F32 width,
+    F32 exponential_term,
+    F32 exponential_scale_factor,
+    F32 linear_term,
+    F32 constant_term,
+    F32 aniso_factor)
+{
+    LLSD dflt_layer;
+    dflt_layer[SETTING_DENSITY_PROFILE_WIDTH]            = 0.0f; // 0 -> the entire atmosphere
+    dflt_layer[SETTING_DENSITY_PROFILE_EXP_TERM]         = 1.0f;
+    dflt_layer[SETTING_DENSITY_PROFILE_EXP_SCALE_FACTOR] = -1.0f / 8000.0f;
+    dflt_layer[SETTING_DENSITY_PROFILE_LINEAR_TERM]      = 0.0f;
+    dflt_layer[SETTING_DENSITY_PROFILE_CONSTANT_TERM]    = 0.0f;
+
+    if (aniso_factor != 0.0f)
+    {
+        dflt_layer[SETTING_MIE_ANISOTROPY_FACTOR] = aniso_factor;
+    }
+
+    return dflt_layer;
+}
+
+LLSD LLSettingsSky::createSingleLayerDensityProfile(
+    F32 width,
+    F32 exponential_term,
+    F32 exponential_scale_factor,
+    F32 linear_term,
+    F32 constant_term,
+    F32 aniso_factor)
+{
+    LLSD dflt;
+    LLSD dflt_layer = createDensityProfileLayer(width, exponential_term, exponential_scale_factor, linear_term, constant_term, aniso_factor);
+    dflt.append(dflt_layer);
+    return dflt;
+}
+
 LLSD LLSettingsSky::rayleighConfigDefault()
 {
-    LLSD dflt_rayleigh;
-    LLSD dflt_rayleigh_layer;
-    dflt_rayleigh_layer[SETTING_DENSITY_PROFILE_WIDTH]            = 0.0f; // 0 -> the entire atmosphere
-    dflt_rayleigh_layer[SETTING_DENSITY_PROFILE_EXP_TERM]         = 1.0f;
-    dflt_rayleigh_layer[SETTING_DENSITY_PROFILE_EXP_SCALE_FACTOR] = -1.0f / 8000.0f;
-    dflt_rayleigh_layer[SETTING_DENSITY_PROFILE_LINEAR_TERM]      = 0.0f;
-    dflt_rayleigh_layer[SETTING_DENSITY_PROFILE_CONSTANT_TERM]    = 0.0f;
-    dflt_rayleigh.append(dflt_rayleigh_layer);
-    return dflt_rayleigh;
+    return createSingleLayerDensityProfile(0.0f,  1.0f, -1.0f / 8000.0f, 0.0f, 0.0f);
 }
 
 LLSD LLSettingsSky::absorptionConfigDefault()
 {
 // absorption (ozone) has two linear ramping zones
-    LLSD dflt_absorption_layer_a;
-    dflt_absorption_layer_a[SETTING_DENSITY_PROFILE_WIDTH]            = 25000.0f; // 0 -> the entire atmosphere
-    dflt_absorption_layer_a[SETTING_DENSITY_PROFILE_EXP_TERM]         = 0.0f;
-    dflt_absorption_layer_a[SETTING_DENSITY_PROFILE_EXP_SCALE_FACTOR] = 0.0f;
-    dflt_absorption_layer_a[SETTING_DENSITY_PROFILE_LINEAR_TERM]      = -1.0f / 25000.0f;
-    dflt_absorption_layer_a[SETTING_DENSITY_PROFILE_CONSTANT_TERM]    = -2.0f / 3.0f;
-
-    LLSD dflt_absorption_layer_b;
-    dflt_absorption_layer_b[SETTING_DENSITY_PROFILE_WIDTH]            = 0.0f; // 0 -> remainder of the atmosphere
-    dflt_absorption_layer_b[SETTING_DENSITY_PROFILE_EXP_TERM]         = 0.0f;
-    dflt_absorption_layer_b[SETTING_DENSITY_PROFILE_EXP_SCALE_FACTOR] = 0.0f;
-    dflt_absorption_layer_b[SETTING_DENSITY_PROFILE_LINEAR_TERM]      = -1.0f / 15000.0f;
-    dflt_absorption_layer_b[SETTING_DENSITY_PROFILE_CONSTANT_TERM]    = 8.0f  / 3.0f;
-
+    LLSD dflt_absorption_layer_a = createDensityProfileLayer(25000.0f, 0.0f, 0.0f, -1.0f / 25000.0f, -2.0f / 3.0f);
+    LLSD dflt_absorption_layer_b = createDensityProfileLayer(0.0f, 0.0f, 0.0f, -1.0f / 15000.0f, 8.0f / 3.0f);
     LLSD dflt_absorption;
     dflt_absorption.append(dflt_absorption_layer_a);
     dflt_absorption.append(dflt_absorption_layer_b);
@@ -592,15 +609,7 @@ LLSD LLSettingsSky::absorptionConfigDefault()
 
 LLSD LLSettingsSky::mieConfigDefault()
 {
-    LLSD dflt_mie;
-    LLSD dflt_mie_layer;
-    dflt_mie_layer[SETTING_DENSITY_PROFILE_WIDTH]            = 0.0f; // 0 -> the entire atmosphere
-    dflt_mie_layer[SETTING_DENSITY_PROFILE_EXP_TERM]         = 1.0f;
-    dflt_mie_layer[SETTING_DENSITY_PROFILE_EXP_SCALE_FACTOR] = -1.0f / 1200.0f;
-    dflt_mie_layer[SETTING_DENSITY_PROFILE_LINEAR_TERM]      = 0.0f;
-    dflt_mie_layer[SETTING_DENSITY_PROFILE_CONSTANT_TERM]    = 0.0f;
-    dflt_mie_layer[SETTING_MIE_ANISOTROPY_FACTOR]            = 0.8f;
-    dflt_mie.append(dflt_mie_layer);
+    LLSD dflt_mie = createSingleLayerDensityProfile(0.0f,  1.0f, -1.0f / 1200.0f, 0.0f, 0.0f, 0.8f);
     return dflt_mie;
 }
 
@@ -1154,6 +1163,21 @@ LLSD LLSettingsSky::getAbsorptionConfigs() const
     return mSettings[SETTING_ABSORPTION_CONFIG];
 }
 
+void LLSettingsSky::setRayleighConfigs(const LLSD& rayleighConfig)
+{
+    mSettings[SETTING_RAYLEIGH_CONFIG] = rayleighConfig;
+}
+
+void LLSettingsSky::setMieConfigs(const LLSD& mieConfig)
+{
+    mSettings[SETTING_MIE_CONFIG] = mieConfig;
+}
+
+void LLSettingsSky::setAbsorptionConfigs(const LLSD& absorptionConfig)
+{
+    mSettings[SETTING_ABSORPTION_CONFIG] = absorptionConfig;
+}
+
 LLUUID LLSettingsSky::getBloomTextureId() const
 {
     return mSettings[SETTING_BLOOM_TEXTUREID].asUUID();
diff --git a/indra/llinventory/llsettingssky.h b/indra/llinventory/llsettingssky.h
index 19a5656644..36d1053cf6 100644
--- a/indra/llinventory/llsettingssky.h
+++ b/indra/llinventory/llsettingssky.h
@@ -72,7 +72,6 @@ public:
     static const std::string SETTING_SKY_BOTTOM_RADIUS;
     static const std::string SETTING_SKY_TOP_RADIUS;
     static const std::string SETTING_SUN_ARC_RADIANS;
-    static const std::string SETTING_MIE_ANISOTROPY_FACTOR;
 
     static const std::string SETTING_RAYLEIGH_CONFIG;
     static const std::string SETTING_MIE_CONFIG;
@@ -84,7 +83,7 @@ public:
         static const std::string SETTING_DENSITY_PROFILE_EXP_SCALE_FACTOR;
         static const std::string SETTING_DENSITY_PROFILE_LINEAR_TERM;
         static const std::string SETTING_DENSITY_PROFILE_CONSTANT_TERM;
-        
+        static const std::string SETTING_MIE_ANISOTROPY_FACTOR;    
 
     static const std::string SETTING_LEGACY_HAZE;
 
@@ -116,10 +115,13 @@ public:
     F32 getMieAnisotropy() const;   
     LLSD getRayleighConfigs() const;
     LLSD getMieConfigs() const;
-
     LLSD getAbsorptionConfigs() const;
     LLUUID getBloomTextureId() const;
 
+    void setRayleighConfigs(const LLSD& rayleighConfig);
+    void setMieConfigs(const LLSD& mieConfig);
+    void setAbsorptionConfigs(const LLSD& absorptionConfig);
+
     //---------------------------------------------------------------------
     LLColor3 getAmbientColor() const;
     void setAmbientColor(const LLColor3 &val);
@@ -239,6 +241,22 @@ public:
     static LLUUID GetDefaultCloudNoiseTextureId();
     static LLUUID GetDefaultBloomTextureId();
 
+    static LLSD createDensityProfileLayer(
+                    F32 width,
+                    F32 exponential_term,
+                    F32 exponential_scale_factor,
+                    F32 linear_term,
+                    F32 constant_term,
+                    F32 aniso_factor = 0.0f);
+
+    static LLSD createSingleLayerDensityProfile(
+                    F32 width,
+                    F32 exponential_term,
+                    F32 exponential_scale_factor,
+                    F32 linear_term,
+                    F32 constant_term,
+                    F32 aniso_factor = 0.0f);
+
 protected:
     static const std::string SETTING_LEGACY_EAST_ANGLE;
     static const std::string SETTING_LEGACY_ENABLE_CLOUD_SCROLL;