[ADD] add a skeleton of the group and refactor some test datas.

tests/common_data.h

@@ -0,0 +1,114 @@
+/*!
+ * sphere.h
+ *
+ * Copyright (c) 2024, NADAL Jean-Baptiste. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ *
+ * @Author:  NADAL Jean-Baptiste
+ * @Date: 22/03/2024
+ *
+ */
+
+#ifndef _RAYTRACER_COMMON_DATA_H
+#define _RAYTRACER_COMMON_DATA_H
+
+/* ------------------------------------------------------------------------- */
+
+#include <core/tuple.h>
+#include <patterns/pattern.h>
+#include <shapes/shape.h>
+
+/* ------------------------------------------------------------------------- */
+
+namespace Raytracer
+{
+    class TestShape : public Shape
+    {
+    public:
+        TestShape(void) = default;
+
+        Intersections local_intersect(const Ray &a_ray) override;
+
+        Tuple local_normal_at(const Tuple &a_local_point) const override;
+
+        Ray saved_ray;
+    };
+
+    /* ------------------------------------------------------------------------- */
+
+    class TestPattern : public Pattern
+    {
+    public:
+        TestPattern(void) = default;
+
+        const Color pattern_at(const Tuple &a_point) const override;
+    };
+
+    /* ------------------------------------------------------------------------- */
+
+    class DataOrigDirT1T2
+    {
+    public:
+        Tuple origin;
+        Tuple direction;
+        double t1;
+        double t2;
+    };
+
+    /* ------------------------------------------------------------------------- */
+
+    class DataOrigDirT0T1
+    {
+    public:
+        Tuple origin;
+        Tuple direction;
+        double t0 = -1;
+        double t1 = -1;
+    };
+
+    /* ------------------------------------------------------------------------- */
+
+    class DataPointNormal
+    {
+    public:
+        Tuple point;
+        Tuple normal;
+    };
+
+    /* ------------------------------------------------------------------------- */
+
+    class DataPointDirCount
+    {
+    public:
+        Tuple point;
+        Tuple direction;
+        uint16_t count;
+    };
+
+    /* ------------------------------------------------------------------------- */
+
+    class DataOrigDirCount
+    {
+    public:
+        Tuple origin;
+        Tuple direction;
+        uint16_t count;
+    };
+
+} // namespace Raytracer
+
+#endif // _RAYTRACER_COMMON_DATA_H