From 7028cbe09c688437910a25623098762bf0fa592d Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Mon, 28 Mar 2016 22:28:34 +1000
Subject: Move Irrlicht to src/others.

---
 .../source/Irrlicht/CShadowVolumeSceneNode.h       | 87 ++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 src/others/irrlicht-1.8.1/source/Irrlicht/CShadowVolumeSceneNode.h

(limited to 'src/others/irrlicht-1.8.1/source/Irrlicht/CShadowVolumeSceneNode.h')

diff --git a/src/others/irrlicht-1.8.1/source/Irrlicht/CShadowVolumeSceneNode.h b/src/others/irrlicht-1.8.1/source/Irrlicht/CShadowVolumeSceneNode.h
new file mode 100644
index 0000000..c66b8f9
--- /dev/null
+++ b/src/others/irrlicht-1.8.1/source/Irrlicht/CShadowVolumeSceneNode.h
@@ -0,0 +1,87 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __C_SHADOW_VOLUME_SCENE_NODE_H_INCLUDED__
+#define __C_SHADOW_VOLUME_SCENE_NODE_H_INCLUDED__
+
+#include "IShadowVolumeSceneNode.h"
+
+namespace irr
+{
+namespace scene
+{
+
+	//! Scene node for rendering a shadow volume into a stencil buffer.
+	class CShadowVolumeSceneNode : public IShadowVolumeSceneNode
+	{
+	public:
+
+		//! constructor
+		CShadowVolumeSceneNode(const IMesh* shadowMesh, ISceneNode* parent, ISceneManager* mgr, 
+			s32 id,  bool zfailmethod=true, f32 infinity=10000.0f);
+
+		//! destructor
+		virtual ~CShadowVolumeSceneNode();
+
+		//! Sets the mesh from which the shadow volume should be generated.
+		/** To optimize shadow rendering, use a simpler mesh for shadows.
+		*/
+		virtual void setShadowMesh(const IMesh* mesh);
+
+		//! Updates the shadow volumes for current light positions.
+		/** Called each render cycle from Animated Mesh SceneNode render method. */
+		virtual void updateShadowVolumes();
+
+		//! pre render method
+		virtual void OnRegisterSceneNode();
+
+		//! renders the node.
+		virtual void render();
+
+		//! returns the axis aligned bounding box of this node
+		virtual const core::aabbox3d<f32>& getBoundingBox() const;
+
+		//! Returns type of the scene node
+		virtual ESCENE_NODE_TYPE getType() const { return ESNT_SHADOW_VOLUME; }
+
+	private:
+
+		typedef core::array<core::vector3df> SShadowVolume;
+
+		void createShadowVolume(const core::vector3df& pos, bool isDirectional=false);
+		u32 createEdgesAndCaps(const core::vector3df& light, SShadowVolume* svp, core::aabbox3d<f32>* bb);
+
+		//! Generates adjacency information based on mesh indices.
+		void calculateAdjacency();
+
+		core::aabbox3d<f32> Box;
+
+		// a shadow volume for every light
+		core::array<SShadowVolume> ShadowVolumes;
+
+		// a back cap bounding box for every light
+		core::array<core::aabbox3d<f32> > ShadowBBox;
+
+		core::array<core::vector3df> Vertices;
+		core::array<u16> Indices;
+		core::array<u16> Adjacency;
+		core::array<u16> Edges;
+		// tells if face is front facing
+		core::array<bool> FaceData;
+
+		const scene::IMesh* ShadowMesh;
+
+		u32 IndexCount;
+		u32 VertexCount;
+		u32 ShadowVolumesUsed;
+
+		f32 Infinity;
+
+		bool UseZFailMethod;
+	};
+
+} // end namespace scene
+} // end namespace irr
+
+#endif
-- 
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