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engines/icb/common/px_3drealpoint.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1999-2000 Revolution Software Ltd.
+ * This code is based on source code created by Revolution Software,
+ * used with permission.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef ICB_PX_3DREALPOINT_H_INCLUDED
+#define ICB_PX_3DREALPOINT_H_INCLUDED
+
+// Include the header files needed by this class.
+#include "engines/icb/common/px_rcutypes.h"
+
+namespace ICB {
+
+// Note, this needs pre-definitions / typedef's of :
+// PXreal, REAL_ZERO
+// For PC PXreal = float, REAL_ZERO = 0.0f
+// For PSX PXreal = int, REAL_ZERO = 0
+
+#ifndef REAL_ZERO
+#error "REAL_ZERO not defined"
+#endif // #ifndef REAL_ZERO
+
+// A 2D point on a plane with endpoints stored as floating point.
+class px3DRealPoint {
+public:
+	// Default constructor and destructor.
+	px3DRealPoint() {
+		m_fX = REAL_ZERO;
+		m_fY = REAL_ZERO;
+		m_fZ = REAL_ZERO;
+	}
+	~px3DRealPoint() { ; }
+
+	// Alternative constructor that allows the point to be initialized.
+	px3DRealPoint(PXreal fX, PXreal fY, PXreal fZ) {
+		m_fX = fX;
+		m_fY = fY;
+		m_fZ = fZ;
+	}
+
+	// Gets and sets.
+	void SetX(PXreal fX) { m_fX = fX; }
+	void SetY(PXreal fY) { m_fY = fY; }
+	void SetZ(PXreal fZ) { m_fZ = fZ; }
+	PXreal GetX() const { return m_fX; }
+	PXreal GetY() const { return m_fY; }
+	PXreal GetZ() const { return m_fZ; }
+
+	// This allows the values of a point to be set after it has been created.
+	void Set(PXreal fX, PXreal fY, PXreal fZ) {
+		m_fX = fX;
+		m_fY = fY;
+		m_fZ = fZ;
+	}
+
+private:
+	PXreal m_fX, m_fY, m_fZ; // The point.
+};
+
+#if 0
+inline bool8 px3DRealPoint::operator == (const px3DRealPoint &obOpB) const {
+	if ((PXfabs(m_fX - obOpB.m_fX) < (FLT_MIN * 5.0f)) &&
+	        (PXfabs(m_fY - obOpB.m_fY) < (FLT_MIN * 5.0f)) &&
+	        (PXfabs(m_fZ - obOpB.m_fZ) < (FLT_MIN * 5.0f)))
+		return TRUE8;
+	else
+		return FALSE8;
+}
+
+#endif
+
+} // End of namespace ICB
+
+#endif // #ifndef PX_3DREALPOINT_H_INCLUDED