58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
#ifndef TERRAINRENDERER_H
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#define TERRAINRENDERER_H
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#include "software_global.h"
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#include "LightFilter.h"
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#include <vector>
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#include "Vector3.h"
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namespace paysages {
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namespace software {
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class SOFTWARESHARED_EXPORT TerrainRenderer : public LightFilter {
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public:
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typedef struct {
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Vector3 location;
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Vector3 normal;
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} TerrainResult;
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public:
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TerrainRenderer(SoftwareRenderer *parent);
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virtual ~TerrainRenderer();
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virtual void update();
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void setQuality(bool quad_normals, double ray_precision, double shadow_precision);
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void setQuality(double factor);
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virtual RayCastingResult castRay(const Vector3 &start, const Vector3 &direction);
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virtual double getHeight(double x, double z, bool with_painting, bool water_offset = true);
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virtual TerrainResult getResult(double x, double z, bool with_painting);
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Vector3 getDisplaced(double x, double z, bool with_painting);
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virtual bool applyLightFilter(LightComponent &light, const Vector3 &at) override;
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/**
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* Estimate a probable range of altitudes, given a rectangle area.
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*/
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void estimateMinMaxHeight(double x1, double z1, double x2, double z2, double *ymin, double *ymax);
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/**
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* Get the final color at a given terrain location.
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*
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* Textures will be applied (with displacement and detail), and medium traversal will be performed at the location.
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*/
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virtual Color getFinalColor(double x, double z, double precision);
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private:
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SoftwareRenderer *parent;
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TerrainRayWalker *walker_ray;
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TerrainRayWalker *walker_shadows;
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bool quad_normals;
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};
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}
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}
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#endif // TERRAINRENDERER_H
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