Add back lighting system

Code is taken from latest irrlicht trunk; this is relevant because there have been fixes to stencil shadows since 1.8.5 (irrlicht SVN revision 5933).

1 files changed, 26 insertions, 0 deletions

diff --git a/include/IMeshSceneNode.h b/include/IMeshSceneNode.h
index d4f6fff..e4b3b05 100644
--- a/include/IMeshSceneNode.h
+++ b/include/IMeshSceneNode.h
@@ -12,6 +12,7 @@ namespace irr
 namespace scene

 {

 

+class IShadowVolumeSceneNode;

 class IMesh;

 

 

@@ -37,6 +38,31 @@ public:
 	/** \return Pointer to mesh which is displayed by this node. */

 	virtual IMesh* getMesh(void) = 0;

 

+	/** The shadow can be rendered using the ZPass or the zfail

+	method. ZPass is a little bit faster because the shadow volume

+	creation is easier, but with this method there occur ugly

+	looking artifacts when the camera is inside the shadow volume.

+	These error do not occur with the ZFail method, but it can

+	have trouble with clipping to the far-plane (it usually works

+	well in OpenGL and fails with other drivers).

+	\param shadowMesh: Optional custom mesh for shadow volume.

+	\param id: Id of the shadow scene node. This id can be used to

+	identify the node later.

+	\param zfailmethod: If set to true, the shadow will use the

+	zfail method, if not, zpass is used.

+	\param infinity: Value used by the shadow volume algorithm to

+	scale the shadow volume. For zfail shadow volumes on some drivers

+	only suppport finite shadows, so camera zfar must be larger than

+	shadow back cap,which is depending on the infinity parameter).

+	Infinity value also scales by the scaling factors of the model.

+	If shadows don't show up with zfail then try reducing infinity.

+	If shadows are cut-off then try increasing infinity.

+	\return Pointer to the created shadow scene node. This pointer

+	should not be dropped. See IReferenceCounted::drop() for more

+	information. */

+	virtual IShadowVolumeSceneNode* addShadowVolumeSceneNode(const IMesh* shadowMesh=0,

+		s32 id=-1, bool zfailmethod=true, f32 infinity=1000.0f) = 0;

+

 	//! Sets if the scene node should not copy the materials of the mesh but use them in a read only style.

 	/** In this way it is possible to change the materials of a mesh

 	causing all mesh scene nodes referencing this mesh to change, too.