#ifndef TEXTURELAYERDEFINITION_H
#define TEXTURELAYERDEFINITION_H

#include "definition_global.h"

#include "DefinitionNode.h"

namespace paysages {
namespace definition {

class DEFINITIONSHARED_EXPORT TextureLayerDefinition : public DefinitionNode
{
public:
    typedef enum
    {
        TEXTURES_MERGE_FADE,
        TEXTURES_MERGE_DISSOLVE,
        TEXTURES_MERGE_DISPLACEMENT_VALUE
    } TextureMergeMode;
    typedef enum
    {
        TEXTURES_LAYER_PRESET_MUD,
        TEXTURES_LAYER_PRESET_ROCK,
        TEXTURES_LAYER_PRESET_GRASS,
        TEXTURES_LAYER_PRESET_SAND,
        TEXTURES_LAYER_PRESET_SNOW
    } TextureLayerPreset;

public:
    TextureLayerDefinition(DefinitionNode* parent);
    virtual ~TextureLayerDefinition();

    virtual void save(PackStream* stream) const override;
    virtual void load(PackStream* stream) override;

    virtual void copy(DefinitionNode* destination) const override;
    virtual void validate() override;

    void applyPreset(TextureLayerPreset preset);

public:
    Zone* terrain_zone;
    double displacement_scaling;
    double displacement_height;
    double displacement_offset;
    /*double detail_scaling;
    double detail_height;*/
    SurfaceMaterial* material;
    /*double cancel_displacement_factor;
    TexturesMergeMode merge_mode;*/

    NoiseGenerator* _displacement_noise;
    NoiseGenerator* _detail_noise;
    /*Curve* _local_slope_condition;*/
};

}
}

#endif // TEXTURELAYERDEFINITION_H