X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Feffects%2Fshadowmap.h;h=0acb1b64657bc2cc0c5d0837717883fb0bd1b77f;hb=57588abbefc8f0162332ac2310c69b62a14b2404;hp=cb6229935a81806dc3bad9af00b72bed47e739b7;hpb=adc26a2e141a2853b6c5025130c46a46cece4b84;p=libs%2Fgl.git

diff --git a/source/effects/shadowmap.h b/source/effects/shadowmap.h
index cb622993..0acb1b64 100644
--- a/source/effects/shadowmap.h
+++ b/source/effects/shadowmap.h
@@ -14,6 +14,7 @@ namespace GL {
 
 class DirectionalLight;
 class Light;
+class PointLight;
 
 /**
 Creates shadows on a renderable through a shadow map texture.  In the setup
@@ -24,37 +25,58 @@ texture coordinate generation to determine whether each fragment is lit.
 class ShadowMap: public Effect
 {
 private:
+	enum ShadowType
+	{
+		NONE,
+		DIRECTIONAL,
+		TETRAHEDRON
+	};
+
 	struct ShadowedLight
 	{
 		const Light *light;
 		unsigned index;
 		Rect region;
-		Camera shadow_camera;
+		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;
-	Renderable &shadow_caster;
+	std::vector<ShadowView> views;
 	Framebuffer fbo;
 	Texture2D depth_buf;
 	const Sampler &sampler;
 	Vector3 target;
-	float radius;
-	float depth_bias;
-	float darkness;
+	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 *, Renderable &);
+	ShadowMap(unsigned, unsigned, Renderable &, const Lighting *);
 public:
 	ShadowMap(unsigned, Renderable &, const DirectionalLight &, Renderable &);
-	ShadowMap(unsigned, unsigned, Renderable &, const Lighting &, Renderable &);
+	ShadowMap(unsigned, unsigned, Renderable &, const Lighting &);
 
-	void add_light(const DirectionalLight &, unsigned);
+	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. */