113 lines
2.5 KiB
C++
113 lines
2.5 KiB
C++
#ifndef LIGHTINGMANAGER_H
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#define LIGHTINGMANAGER_H
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#include "software_global.h"
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#include "LightComponent.h"
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#include <vector>
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namespace paysages {
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namespace software {
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/**
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* Global lighting manager.
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*
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* This manager handles the lights, light filters and final light rendering.
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*
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* There are both static and dynamic lights.
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* A dynamic light depends on the location at which the lighting occurs.
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*/
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class SOFTWARESHARED_EXPORT LightingManager {
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public:
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LightingManager();
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int getStaticLightsCount() const;
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int getSourcesCount() const;
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int getFiltersCount() const;
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/**
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* Clear the static lights.
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*/
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void clearStaticLights();
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/**
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* Add a static light.
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*/
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void addStaticLight(const LightComponent &light);
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/**
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* Remove all registered sources.
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*/
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void clearSources();
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/**
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* Register a source of dynamic lighting.
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*/
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void registerSource(LightSource *source);
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/**
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* Remove a registered light source.
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*/
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void unregisterSource(LightSource *source);
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/**
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* Remove all registered filters.
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*/
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void clearFilters();
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/**
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* Register a filter that will receive all alterable lights.
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*/
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void registerFilter(LightFilter *filter);
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/**
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* Remove a registered light filter.
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*/
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void unregisterFilter(LightFilter *filter);
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/**
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* Alter the light component at a given location.
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*
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* Returns true if the light is useful
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*/
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bool alterLight(LightComponent &component, const Vector3 &location);
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/**
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* Enable or disable the specularity lighting.
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*/
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void setSpecularity(bool enabled);
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/**
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* Enable or disable the filtering (shadows).
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*/
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void setFiltering(bool enabled);
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/**
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* Apply a final component on a surface material.
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*/
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Color applyFinalComponent(const LightComponent &component, const Vector3 &eye, const Vector3 &location,
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const Vector3 &normal, const SurfaceMaterial &material);
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/**
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* Compute the light status at a given location.
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*/
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void fillStatus(LightStatus &status, const Vector3 &location) const;
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/**
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* Apply lighting to a surface at a given location.
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*/
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Color apply(const Vector3 &eye, const Vector3 &location, const Vector3 &normal, const SurfaceMaterial &material);
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private:
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bool specularity;
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bool filtering;
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vector<LightComponent> static_lights;
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vector<LightFilter *> filters;
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vector<LightSource *> sources;
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};
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}
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}
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#endif // LIGHTINGMANAGER_H
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