Added NoiseNode

src/basics/NoiseGenerator.cpp

@@ -29,7 +29,7 @@ NoiseGenerator::~NoiseGenerator()
 {
 }
 
-void NoiseGenerator::save(PackStream* stream)
+void NoiseGenerator::save(PackStream* stream) const
 {
     int x;
 
@@ -43,7 +43,7 @@ void NoiseGenerator::save(PackStream* stream)
 
     for (x = 0; x < level_count; x++)
     {
-        NoiseLevel* level = levels + x;
+        const NoiseLevel* level = levels + x;
 
         stream->write(&level->frequency);
         stream->write(&level->amplitude);
@@ -84,7 +84,7 @@ void NoiseGenerator::load(PackStream* stream)
     validate();
 }
 
-void NoiseGenerator::copy(NoiseGenerator* destination)
+void NoiseGenerator::copy(NoiseGenerator* destination) const
 {
     destination->function = function;
     destination->height_offset = height_offset;
@@ -94,7 +94,7 @@ void NoiseGenerator::copy(NoiseGenerator* destination)
 
     state.copy(&destination->state);
 
-    validate();
+    destination->validate();
 }
 
 void NoiseGenerator::validate()
@@ -189,13 +189,13 @@ void NoiseGenerator::forceValue(double value)
     addLevelSimple(1.0, 0.0, 0.0); /* FIXME Should not be needed */
 }
 
-void NoiseGenerator::getRange(double* minvalue, double* maxvalue)
+void NoiseGenerator::getRange(double* minvalue, double* maxvalue) const
 {
     *minvalue = _min_value;
     *maxvalue = _max_value;
 }
 
-int NoiseGenerator::getLevelCount()
+int NoiseGenerator::getLevelCount() const
 {
     return level_count;
 }
@@ -263,7 +263,7 @@ void NoiseGenerator::removeLevel(int level)
     }
 }
 
-int NoiseGenerator::getLevel(int level, NoiseLevel* params)
+int NoiseGenerator::getLevel(int level, NoiseLevel* params) const
 {
     if (level >= 0 && level < level_count)
     {
@@ -374,12 +374,12 @@ static inline double _fixValue(double value, double ridge, double curve)
 
 
 
-inline double NoiseGenerator::_get1DLevelValue(NoiseLevel* level, const NoiseState::NoiseOffset &offset, double x)
+inline double NoiseGenerator::_get1DLevelValue(const NoiseLevel* level, const NoiseState::NoiseOffset &offset, double x) const
 {
     return level->minvalue + _fixValue(_func_noise_1d(x * level->frequency + offset.x), function.ridge_factor, function.curve_factor) * level->amplitude;
 }
 
-double NoiseGenerator::get1DLevel(int level, double x)
+double NoiseGenerator::get1DLevel(int level, double x) const
 {
     if (level >= 0 && level < level_count)
     {
@@ -391,7 +391,7 @@ double NoiseGenerator::get1DLevel(int level, double x)
     }
 }
 
-double NoiseGenerator::get1DTotal(double x)
+double NoiseGenerator::get1DTotal(double x) const
 {
     int level;
     double result;
@@ -404,7 +404,7 @@ double NoiseGenerator::get1DTotal(double x)
     return result + height_offset;
 }
 
-double NoiseGenerator::get1DDetail(double x, double detail)
+double NoiseGenerator::get1DDetail(double x, double detail) const
 {
     int level;
     double result, height, factor;
@@ -431,12 +431,12 @@ double NoiseGenerator::get1DDetail(double x, double detail)
 
 
 
-inline double NoiseGenerator::_get2DLevelValue(NoiseLevel* level, const NoiseState::NoiseOffset &offset, double x, double y)
+inline double NoiseGenerator::_get2DLevelValue(const NoiseLevel* level, const NoiseState::NoiseOffset &offset, double x, double y) const
 {
     return level->minvalue + _fixValue(_func_noise_2d(x * level->frequency + offset.x, y * level->frequency + offset.y), function.ridge_factor, function.curve_factor) * level->amplitude;
 }
 
-double NoiseGenerator::get2DLevel(int level, double x, double y)
+double NoiseGenerator::get2DLevel(int level, double x, double y) const
 {
     if (level >= 0 && level < level_count)
     {
@@ -448,7 +448,7 @@ double NoiseGenerator::get2DLevel(int level, double x, double y)
     }
 }
 
-double NoiseGenerator::get2DTotal(double x, double y)
+double NoiseGenerator::get2DTotal(double x, double y) const
 {
     int level;
     double result;
@@ -461,7 +461,7 @@ double NoiseGenerator::get2DTotal(double x, double y)
     return result + height_offset;
 }
 
-double NoiseGenerator::get2DDetail(double x, double y, double detail)
+double NoiseGenerator::get2DDetail(double x, double y, double detail) const
 {
     int level;
     double result, height, factor;
@@ -488,12 +488,12 @@ double NoiseGenerator::get2DDetail(double x, double y, double detail)
 
 
 
-inline double NoiseGenerator::_get3DLevelValue(NoiseLevel* level, const NoiseState::NoiseOffset &offset, double x, double y, double z)
+inline double NoiseGenerator::_get3DLevelValue(const NoiseLevel* level, const NoiseState::NoiseOffset &offset, double x, double y, double z) const
 {
     return level->minvalue + _fixValue(_func_noise_3d(x * level->frequency + offset.x, y * level->frequency + offset.y, z * level->frequency + offset.z), function.ridge_factor, function.curve_factor) * level->amplitude;
 }
 
-double NoiseGenerator::get3DLevel(int level, double x, double y, double z)
+double NoiseGenerator::get3DLevel(int level, double x, double y, double z) const
 {
     if (level >= 0 && level < level_count)
     {
@@ -505,7 +505,7 @@ double NoiseGenerator::get3DLevel(int level, double x, double y, double z)
     }
 }
 
-double NoiseGenerator::get3DTotal(double x, double y, double z)
+double NoiseGenerator::get3DTotal(double x, double y, double z) const
 {
     int level;
     double result;
@@ -518,7 +518,7 @@ double NoiseGenerator::get3DTotal(double x, double y, double z)
     return result + height_offset;
 }
 
-double NoiseGenerator::get3DDetail(double x, double y, double z, double detail)
+double NoiseGenerator::get3DDetail(double x, double y, double z, double detail) const
 {
     int level;
     double result, height, factor;

src/basics/NoiseGenerator.h

@@ -37,9 +37,9 @@ public:
     NoiseGenerator();
     virtual ~NoiseGenerator();
 
-    virtual void save(PackStream* stream);
+    virtual void save(PackStream* stream) const;
     virtual void load(PackStream* stream);
-    virtual void copy(NoiseGenerator* destination);
+    virtual void copy(NoiseGenerator* destination) const;
     virtual void validate();
 
     inline const NoiseState &getState() const {return state;}
@@ -51,32 +51,32 @@ public:
     void setFunction(NoiseFunction* function);
     void setFunctionParams(NoiseFunctionAlgorithm algorithm, double ridge_factor, double curve_factor);
     void forceValue(double value);
-    void getRange(double* minvalue, double* maxvalue);
+    void getRange(double* minvalue, double* maxvalue) const;
-    int getLevelCount();
+    int getLevelCount() const;
     void clearLevels();
     void addLevel(NoiseLevel level);
     void addLevelSimple(double scaling, double minvalue, double maxvalue);
     void addLevels(int level_count, NoiseLevel start_level, double scaling_factor, double amplitude_factor, double center_factor);
     void addLevelsSimple(int level_count, double scaling, double minvalue, double maxvalue, double center_factor);
     void removeLevel(int level);
-    int getLevel(int level, NoiseLevel* params);
+    int getLevel(int level, NoiseLevel* params) const;
     void setLevel(int index, NoiseLevel level);
     void setLevelSimple(int index, double scaling, double minvalue, double maxvalue);
     void normalizeAmplitude(double minvalue, double maxvalue, int adjust_scaling);
-    double get1DLevel(int level, double x);
+    double get1DLevel(int level, double x) const;
-    double get1DTotal(double x);
+    double get1DTotal(double x) const;
-    double get1DDetail(double x, double detail);
+    double get1DDetail(double x, double detail) const;
-    double get2DLevel(int level, double x, double y);
+    double get2DLevel(int level, double x, double y) const;
-    double get2DTotal(double x, double y);
+    double get2DTotal(double x, double y) const;
-    double get2DDetail(double x, double y, double detail);
+    double get2DDetail(double x, double y, double detail) const;
-    double get3DLevel(int level, double x, double y, double z);
+    double get3DLevel(int level, double x, double y, double z) const;
-    double get3DTotal(double x, double y, double z);
+    double get3DTotal(double x, double y, double z) const;
-    double get3DDetail(double x, double y, double z, double detail);
+    double get3DDetail(double x, double y, double z, double detail) const;
 
 private:
-    double _get1DLevelValue(NoiseLevel* level, const NoiseState::NoiseOffset &offset, double x);
+    double _get1DLevelValue(const NoiseLevel* level, const NoiseState::NoiseOffset &offset, double x) const;
-    double _get2DLevelValue(NoiseLevel* level, const NoiseState::NoiseOffset &offset, double x, double y);
+    double _get2DLevelValue(const NoiseLevel* level, const NoiseState::NoiseOffset &offset, double x, double y) const;
-    double _get3DLevelValue(NoiseLevel* level, const NoiseState::NoiseOffset &offset, double x, double y, double z);
+    double _get3DLevelValue(const NoiseLevel* level, const NoiseState::NoiseOffset &offset, double x, double y, double z) const;
 
     NoiseFunction function;
     double height_offset;

src/definition/NoiseNode.cpp

@@ -0,0 +1,51 @@
+#include "NoiseNode.h"
+
+#include "NoiseGenerator.h"
+#include "Logs.h"
+
+NoiseNode::NoiseNode(DefinitionNode *parent):
+    DefinitionNode(parent, "noise")
+{
+    noise = new NoiseGenerator();
+}
+
+NoiseNode::~NoiseNode()
+{
+    delete noise;
+}
+
+void NoiseNode::setLevels(int levels, double min_value, double max_value)
+{
+    noise->clearLevels();
+    noise->addLevelsSimple(levels, 1.0, -1.0, 1.0, 0.5);
+    noise->normalizeAmplitude(min_value, max_value, false);
+    noise->randomizeOffsets();
+    noise->validate();
+}
+
+void NoiseNode::save(PackStream *stream) const
+{
+    noise->save(stream);
+}
+
+void NoiseNode::load(PackStream *stream)
+{
+    noise->load(stream);
+}
+
+void NoiseNode::copy(DefinitionNode *destination) const
+{
+    if (destination->getTypeName() == getTypeName())
+    {
+        noise->copy(((NoiseNode *)destination)->noise);
+    }
+    else
+    {
+        Logs::error() << "Can't copy from " << getTypeName() << " to " << destination->getTypeName() << std::endl;
+    }
+}
+
+void NoiseNode::validate()
+{
+    noise->validate();
+}

src/definition/NoiseNode.h

@@ -0,0 +1,41 @@
+#ifndef NOISENODE_H
+#define NOISENODE_H
+
+#include "definition_global.h"
+
+#include "DefinitionNode.h"
+
+namespace paysages {
+namespace definition {
+
+/**
+ * Definition node with noise parameters.
+ */
+class DEFINITIONSHARED_EXPORT NoiseNode: public DefinitionNode
+{
+public:
+    NoiseNode(DefinitionNode *parent);
+    virtual ~NoiseNode();
+
+    inline const NoiseGenerator *getGenerator() {return noise;}
+
+    /**
+     * Set the number of levels to use in the noise generator.
+     */
+    void setLevels(int levels, double min_value=-1.0, double max_value=1.0);
+
+protected:
+    virtual void save(PackStream *stream) const override;
+    virtual void load(PackStream *stream) override;
+    virtual void copy(DefinitionNode *destination) const override;
+    virtual void validate() override;
+
+private:
+    NoiseGenerator *noise;
+
+};
+
+}
+}
+
+#endif // NOISENODE_H

src/definition/definition.pro

@@ -38,6 +38,7 @@ SOURCES += \
     DefinitionWatcher.cpp \
     IntNode.cpp \
     IntDiff.cpp \
+    NoiseNode.cpp \
     GodRaysDefinition.cpp \
     TimeManager.cpp
 
@@ -67,6 +68,7 @@ HEADERS +=\
     DefinitionWatcher.h \
     IntNode.h \
     IntDiff.h \
+    NoiseNode.h \
     GodRaysDefinition.h \
     TimeManager.h
 

src/definition/definition_global.h

@@ -19,6 +19,7 @@ namespace definition {
     class FloatDiff;
     class IntNode;
     class IntDiff;
+    class NoiseNode;
     class DiffManager;
     class DefinitionWatcher;
     class Scenery;