X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Feffects%2Fshadowmap.h;h=502480122fc68354e45c85adec5b8a3d22c328de;hp=81563a72887acec2fc848d4c954776f51fa98165;hb=083a8227715fa32c841fc2b8126e4ab8d2840ba0;hpb=91d87a3ecae2b21a87829442d82e65f071009e92

diff --git a/source/effects/shadowmap.h b/source/effects/shadowmap.h
index 81563a72..50248012 100644
--- a/source/effects/shadowmap.h
+++ b/source/effects/shadowmap.h
@@ -2,18 +2,19 @@
 #define MSP_GL_SHADOWMAP_H_
 
 #include "camera.h"
-#include "depthtest.h"
 #include "effect.h"
 #include "framebuffer.h"
 #include "programdata.h"
+#include "rect.h"
 #include "texture2d.h"
 #include "vector.h"
 
 namespace Msp {
 namespace GL {
 
+class DirectionalLight;
 class Light;
-class Resources;
+class PointLight;
 
 /**
 Creates shadows on a renderable through a shadow map texture.  In the setup
@@ -23,25 +24,107 @@ texture coordinate generation to determine whether each fragment is lit.
 */
 class ShadowMap: public Effect
 {
+public:
+	struct Template: Effect::Template
+	{
+		class Loader: public DataFile::DerivedObjectLoader<Template, Effect::Template::Loader>
+		{
+		private:
+			static ActionMap shared_actions;
+
+		public:
+			Loader(Template &, Collection &);
+		private:
+			virtual void init_actions();
+
+			void light(const std::string &);
+			void size_square(unsigned);
+			void target(float, float, float);
+		};
+
+		struct ShadowedLight
+		{
+			class Loader: public DataFile::ObjectLoader<ShadowedLight>
+			{
+			private:
+				static ActionMap shared_actions;
+
+			public:
+				Loader(ShadowedLight &);
+			private:
+				virtual void init_actions();
+			};
+
+			const Light *light = 0;
+			unsigned size;
+			std::string shadow_caster_name;
+		};
+
+		unsigned width = 2048;
+		unsigned height = 2048;
+		const Lighting *lighting = 0;
+		std::vector<ShadowedLight> lights;
+		Vector3 target;
+		float radius = 1.0f;
+		float depth_bias = 4.0f;
+		float darkness = 1.0f;
+
+		virtual ShadowMap *create(const std::map<std::string, Renderable *> &) const;
+	};
+
 private:
-	unsigned size;
-	const Light &light;
-	Renderable &shadow_caster;
+	enum ShadowType
+	{
+		NONE,
+		DIRECTIONAL,
+		TETRAHEDRON
+	};
+
+	struct ShadowedLight
+	{
+		const Light *light;
+		unsigned index;
+		Rect region;
+		ShadowType type;
+		unsigned view_index;
+		Renderable *shadow_caster;
+	};
+
+	struct ShadowView
+	{
+		unsigned light_index;
+		unsigned face;
+		Camera camera;
+		Matrix face_matrix;
+	};
+
+	unsigned width;
+	unsigned height;
+	const Lighting *lighting;
+	std::vector<ShadowedLight> lights;
+	std::vector<ShadowView> views;
 	Framebuffer fbo;
-	Camera shadow_camera;
-	Matrix shadow_matrix;
 	Texture2D depth_buf;
-	DepthTest depth_test;
 	const Sampler &sampler;
 	Vector3 target;
-	float radius;
-	float depth_bias;
+	float radius = 1.0f;
+	float depth_bias = 4.0f;
+	float darkness = 1.0f;
 	ProgramData shdata;
-	bool rendered;
+	bool rendered = false;
+	std::string debug_name;
 
+	ShadowMap(unsigned, unsigned, Renderable &, const Lighting *);
 public:
-	ShadowMap(unsigned, Renderable &, const Light &, Renderable &);
+	ShadowMap(unsigned, Renderable &, const DirectionalLight &, Renderable &);
+	ShadowMap(unsigned, unsigned, Renderable &, const Lighting &);
 
+	void add_light(const DirectionalLight &, unsigned, Renderable &);
+	void add_light(const PointLight &, unsigned, Renderable &);
+private:
+	void add_light(const Light &, unsigned, ShadowType, Renderable &);
+
+public:
 	/** Sets the ShadowMap target point and radius.  The transformation matrix is
 	computed so that a sphere with the specified parameters will be completely
 	covered by the ShadowMap. */
@@ -59,7 +142,6 @@ public:
 	void set_depth_bias(float);
 
 	const Texture2D &get_depth_texture() const { return depth_buf; }
-	const Matrix &get_shadow_matrix() const { return shadow_matrix; }
 
 	virtual void setup_frame(Renderer &);
 	virtual void finish_frame();