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, 31 insertions, 0 deletions

diff --git a/include/ISceneManager.h b/include/ISceneManager.h
index 9379a9c..4cd31e2 100644
--- a/include/ISceneManager.h
+++ b/include/ISceneManager.h
@@ -102,6 +102,7 @@ namespace scene
 	class IBillboardSceneNode;

 	class ICameraSceneNode;

 	class IDummyTransformationSceneNode;

+	class ILightSceneNode;

 	class IMesh;

 	class IMeshBuffer;

 	class IMeshCache;

@@ -112,6 +113,7 @@ namespace scene
 	class IMeshWriter;

 	class ISceneNode;

 	class ISceneNodeFactory;

+	class IShadowVolumeSceneNode;

 

 	//! The Scene Manager manages scene nodes, mesh resources, cameras and all the other stuff.

 	/** All Scene nodes can be created only here.

@@ -392,6 +394,24 @@ namespace scene
 			const core::vector3df& lookat = core::vector3df(0,0,100),

 			s32 id=-1, bool makeActive=true) = 0;

 

+		//! Adds a dynamic light scene node to the scene graph.

+		/** The light will cast dynamic light on all

+		other scene nodes in the scene, which have the material flag video::MTF_LIGHTING

+		turned on. (This is the default setting in most scene nodes).

+		\param parent: Parent scene node of the light. Can be null. If the parent moves,

+		the light will move too.

+		\param position: Position of the space relative to its parent where the light will be placed.

+		\param color: Diffuse color of the light. Ambient or Specular colors can be set manually with

+		the ILightSceneNode::getLightData() method.

+		\param radius: Radius of the light.

+		\param id: id of the node. This id can be used to identify the node.

+		\return Pointer to the interface of the light if successful, otherwise NULL.

+		This pointer should not be dropped. See IReferenceCounted::drop() for more information. */

+		virtual ILightSceneNode* addLightSceneNode(ISceneNode* parent = 0,

+			const core::vector3df& position = core::vector3df(0,0,0),

+			video::SColorf color = video::SColorf(1.0f, 1.0f, 1.0f),

+			f32 radius=100.0f, s32 id=-1) = 0;

+

 		//! Adds a billboard scene node to the scene graph.

 		/** A billboard is like a 3d sprite: A 2d element,

 		which always looks to the camera. It is usually used for things

@@ -493,6 +513,17 @@ namespace scene
 		\param camera: The new camera which should be active. */

 		virtual void setActiveCamera(ICameraSceneNode* camera) = 0;

 

+		//! Sets the color of stencil buffers shadows drawn by the scene manager.

+		virtual void setShadowColor(video::SColor color = video::SColor(150,0,0,0)) = 0;

+

+		//! Get the current color of shadows.

+		virtual video::SColor getShadowColor() const = 0;

+

+		//! Create a shadow volume scene node to be used with custom nodes

+		/** Use this if you implement your own SceneNodes and need shadow volumes in them.

+		Otherwise you should generally use addShadowVolumeSceneNode functions from IMeshSceneNode or IAnimatedMeshSceneNode.*/

+		virtual IShadowVolumeSceneNode* createShadowVolumeSceneNode(const IMesh* shadowMesh, ISceneNode* parent, s32 id, bool zfailmethod, f32 infinity) = 0;

+

 		//! Registers a node for rendering it at a specific time.

 		/** This method should only be used by SceneNodes when they get a

 		ISceneNode::OnRegisterSceneNode() call.