X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fscene%2Ftgdb%2Fpt_lights.hxx;h=863328dc60bffafcd90500e4aca615bcc8e854e7;hb=3b5665fe92802d3d36d6304cb2c184dc03e91de4;hp=7e5aa5ed760d503773e1cee23d0556057094a790;hpb=efac53b1212d3dd3456b7cada4262287c700ce34;p=simgear.git

diff --git a/simgear/scene/tgdb/pt_lights.hxx b/simgear/scene/tgdb/pt_lights.hxx
index 7e5aa5ed..863328dc 100644
--- a/simgear/scene/tgdb/pt_lights.hxx
+++ b/simgear/scene/tgdb/pt_lights.hxx
@@ -29,66 +29,76 @@
 # error This library requires C++
 #endif
 
-
 #include <simgear/compiler.h>
 
-#include STL_STRING
+#include <string>
 #include <vector>		// STL
 
-#include <plib/sg.h>
-#include <plib/ssg.h>		// plib include
+#include <osg/Drawable>
+#include <osg/Node>
+#include <osg/Point>
 
 #include <simgear/math/sg_types.hxx>
 #include <simgear/scene/material/matlib.hxx>
+#include <simgear/scene/util/SGReaderWriterOptions.hxx>
+#include <simgear/scene/util/SGSceneFeatures.hxx>
 
-SG_USING_STD(string);
-SG_USING_STD(vector);
-
+#include "SGLightBin.hxx"
+#include "SGDirectionalLightBin.hxx"
 
-typedef vector < int > int_list;
-typedef int_list::iterator int_list_iterator;
-typedef int_list::const_iterator int_point_list_iterator;
+namespace simgear
+{
+class Effect;
+}
 
+// Specify the way we want to draw directional point lights (assuming the
+// appropriate extensions are available.)
 
-// Generate a directional light.  This routines creates a
-// 'directional' light that can only be viewed from within 90 degrees
-// of the specified dir vector.
+inline void SGConfigureDirectionalLights( bool use_point_sprites,
+                                   bool enhanced_lighting,
+                                   bool distance_attenuation ) {
+  static SGSceneFeatures* sceneFeatures = SGSceneFeatures::instance();
+  sceneFeatures->setEnablePointSpriteLights(use_point_sprites);
+  sceneFeatures->setEnableDistanceAttenuationLights(distance_attenuation);
+}
 
-// To accomplish this, he routine creates a triangle with the 1st
-// point coincident with the specified pt and the 2nd and 3rd points
-// extending upward.  The 1st point is created with an 'alpha' value
-// of 1 while the 2nd and 3rd points are created with an 'alpha' of
-// 0.0.
+class SGLightFactory {
+public:
 
-// If the triangle is drawn in glPolygonMode(GL_FRONT, GL_POINT) mode,
-// then two important things happen:
+  static osg::Drawable*
+  getLightDrawable(const SGLightBin::Light& light);
 
-// 1) Only the 3 vertex points are drawn, the 2nd two with an alpha of
-// 0 so actually only the desired point is rendered.
+  static osg::Drawable*
+  getLightDrawable(const SGDirectionalLightBin::Light& light);
 
-// 2) since we are drawing a triangle, back face culling takes care of
-// eliminating this poing when the view angle relative to dir is
-// greater than 90 degrees.
+  /**
+   * Return a drawable for a very simple point light that isn't
+   * distance scaled.
+   */
+  static osg::Drawable*
+  getLights(const SGLightBin& lights, unsigned inc = 1, float alphaOff = 0);
 
-// The final piece of this puzzle is that if we now use environment
-// mapping on this point, via an appropriate texture we can then
-// control the intensity and color of the point based on the view
-// angle relative to 'dir' the optimal view direction of the light
-// (i.e. the direction the light is pointing.)
+  static osg::Drawable*
+  getLights(const SGDirectionalLightBin& lights);
 
-// Yes this get's to be long and convoluted.  If you can suggest a
-// simpler way, please do! :-)
+  static osg::Drawable*
+  getVasi(const SGVec3f& up, const SGDirectionalLightBin& lights,
+          const SGVec4f& red, const SGVec4f& white);
 
-ssgLeaf *sgMakeDirectionalLight( sgVec3 pt, sgVec3 dir, sgVec3 up );
+  static osg::Node*
+  getSequenced(const SGDirectionalLightBin& lights, const simgear::SGReaderWriterOptions* options);
 
+  static osg::Node*
+  getOdal(const SGLightBin& lights, const simgear::SGReaderWriterOptions* options);
 
-ssgBranch *sgMakeDirectionalLights( const point_list &nodes,
-                                    const point_list &normals,
-                                    const int_list &pnt_i,
-                                    const int_list &nml_i,
-                                    SGMaterialLib *matlib,
-                                    const string &material,
-                                    sgdVec3 dup );
+  static osg::Node*
+  getHoldShort(const SGDirectionalLightBin& lights, const simgear::SGReaderWriterOptions* options);
 
+  static osg::Node*
+  getGuard(const SGDirectionalLightBin& lights, const simgear::SGReaderWriterOptions* options);
+};
 
+simgear::Effect* getLightEffect(float size, const osg::Vec3& attenuation,
+                                float minSize, float maxSize, bool directional,
+                                const simgear::SGReaderWriterOptions* options);
 #endif // _SG_PT_LIGHTS_HXX