paysages3d/src/definition/FloatNode.h

43 lines
1.1 KiB
C++

#pragma once
#include "definition_global.h"
#include "DefinitionNode.h"
namespace paysages {
namespace definition {
/**
* Node with a single floating point numeric value, for the definition tree.
*/
class DEFINITIONSHARED_EXPORT FloatNode : public DefinitionNode {
public:
FloatNode(DefinitionNode *parent, const string &name, double value = 0.0);
inline double getValue() const {
return value;
}
virtual string toString(int indent) const override;
virtual void save(PackStream *stream) const override;
virtual void load(PackStream *stream) override;
virtual void copy(DefinitionNode *destination) const override;
/**
* Change the float value stored.
*
* The DiffManager is used as intermediary, so that the change may not happen immediately.
*/
void setValue(double new_value);
const FloatDiff *produceDiff(double new_value) const;
virtual void generateInitDiffs(vector<const DefinitionDiff *> *diffs) const override;
virtual bool applyDiff(const DefinitionDiff *diff, bool backward = false) override;
void addValue(double added);
private:
double value;
};
}
}