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include/engine/core/renderer_environment_interface.h

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+/* -----------------------------------------------------------------------------
+	GSFramework
+	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
+----------------------------------------------------------------------------- */
+
+
+#ifndef	__NRENDERERENVINTERFACE__
+#define	__NRENDERERENVINTERFACE__
+
+
+		#include "core/render_data.h"
+		#include "color/color.h"
+		#include "container/nlist.h"
+
+
+namespace GS {
+	struct Vector4;
+	class Frustum;
+
+	namespace Core {
+		class Camera;
+		class Light;
+	}
+	namespace Render {
+
+/*
+	@short	Renderer environment interface.
+	Used by the renderer to communicate events and query environment informations.
+*/
+struct	IEnvironment
+{
+		/// Get environment clock.
+virtual	float		GetClock() const { return 0; }
+
+		/// Get environment time of day.
+virtual	float		GetTimeOfDay() const { return 0.f; }
+		/// Get user sky box shader.
+virtual	Shader		 *GetSkyboxShader() const { return 0; }
+		/// Get sky box texture layers.
+virtual	bool		GetSkyboxLayers(sTexture [2]) const { return false; }
+
+		/// Get clear color.
+virtual	Color		GetClearColor() const { return Color::Black; }
+		/// Get ambient color.
+virtual	Color		GetAmbientColor() const { return Color::Black; }
+		/// Get environment probe.
+virtual	void		GetEnvironmentProbe(sTexture &/*radiance*/, sTexture &/*irradiance*/) const {}
+
+		/// Get current camera.
+virtual	Core::Camera *GetCurrentCamera() const { return 0; }
+
+		/// Get all lights in frustum.
+virtual	void		GetLightsInFrustum(const Vector4 &/*world_pos*/, const Frustum &/*frustum*/, List <Core::Light *> &/*list*/, uint /*limit*/ = 0) const = 0;
+		/// Get closest lights.
+virtual	void		GetClosestLights(const Vector4 &/*world_pos*/, List <Core::Light *> &/*list*/, uint /*limit*/ = 0) const = 0;
+
+		/// Get fog enabled.
+virtual	bool		IsFogEnabled() const { return false; }
+		/// Get fog configuration.
+virtual	bool		GetFogConfiguration(Color &color, float &fog_near, float &fog_far) const { return false; }
+
+		/// Render user/debug primitive hook.
+virtual	void		OnRenderUser(Renderer *) const {}
+
+virtual	~IEnvironment() {}
+};
+
+	} // Render
+} // GS
+
+
+#endif	// __NRENDERERENVINTERFACE__