Initial commit: client source

2026-08-17 20:03:02 +02:00
commit 9ae37cd0ea
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+/* Copyright (C) John W. Ratcliff, 2001. 
+ * All rights reserved worldwide.
+ *
+ * This software is provided "as is" without express or implied
+ * warranties. You may freely copy and compile this source into
+ * applications you distribute provided that the copyright text
+ * below is included in the resulting source code, for example:
+ * "Portions Copyright (C) John W. Ratcliff, 2001"
+ */
+#pragma once
+
+/***********************************************************************/
+/** FRUSTUM.H   : Represents a clipping frustum.                       */
+/**               You should replace this with your own more robust    */
+/**               view frustum clipper.                                */
+/**                                                                    */
+/**               Written by John W. Ratcliff jratcliff@att.net        */
+/***********************************************************************/
+
+#include "vector.h"
+
+enum ViewState
+{
+	VS_INSIDE,   // completely inside the frustum.
+	VS_PARTIAL,  // partially inside and partially outside the frustum.
+	VS_OUTSIDE   // completely outside the frustum
+};
+
+class Frustum 
+{
+	public:
+		void BuildViewFrustum(D3DXMATRIX & mat);
+		void BuildViewFrustum2(D3DXMATRIX & mat, float fNear, float fFar, float fFov, float fAspect, const D3DXVECTOR3 & vCamera, const D3DXVECTOR3 & vLook);
+		ViewState ViewVolumeTest(const Vector3d &c_v3Center,const float c_fRadius) const;
+
+	private:
+		bool m_bUsingSphere;
+		D3DXVECTOR3 m_v3Center;
+		float m_fRadius;
+		D3DXPLANE m_plane[6];
+};