Support effects and subordinate sequences inside sequence templates

[libs/gl.git] / source / effects / shadowmap.h

diff --git a/source/effects/shadowmap.h b/source/effects/shadowmap.h
index 67103b86f8abfe11ab56ead2ea801759c5138b1c..502480122fc68354e45c85adec5b8a3d22c328de 100644 (file)
--- a/source/effects/shadowmap.h
+++ b/source/effects/shadowmap.h
@@ -5,13 +5,16 @@
 #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 PointLight;
 
 /**
 Creates shadows on a renderable through a shadow map texture.  In the setup
@@ -21,24 +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;
        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. */
@@ -56,7 +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();