1 files changed, 114 insertions, 0 deletions
diff --git a/intern/cycles/scene/pointcloud.h b/intern/cycles/scene/pointcloud.h
new file mode 100644
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+++ b/intern/cycles/scene/pointcloud.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2011-2020 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#ifndef __POINTCLOUD_H__
+#  define __POINTCLOUD_H__
+
+#  include "scene/geometry.h"
+
+CCL_NAMESPACE_BEGIN
+
+class PointCloud : public Geometry {
+ public:
+  NODE_DECLARE
+
+  /* PointCloud Point */
+  struct Point {
+    int index;
+
+    void bounds_grow(const float3 *points, const float *radius, BoundBox &bounds) const;
+    void bounds_grow(const float3 *points,
+                     const float *radius,
+                     const Transform &aligned_space,
+                     BoundBox &bounds) const;
+    void bounds_grow(const float4 &point, BoundBox &bounds) const;
+
+    float4 motion_key(const float3 *points,
+                      const float *radius,
+                      const float3 *point_steps,
+                      size_t num_points,
+                      size_t num_steps,
+                      float time,
+                      size_t p) const;
+    float4 point_for_step(const float3 *points,
+                          const float *radius,
+                          const float3 *point_steps,
+                          size_t num_points,
+                          size_t num_steps,
+                          size_t step,
+                          size_t p) const;
+  };
+
+  NODE_SOCKET_API_ARRAY(array<float3>, points)
+  NODE_SOCKET_API_ARRAY(array<float>, radius)
+  NODE_SOCKET_API_ARRAY(array<int>, shader)
+
+  /* Constructor/Destructor */
+  PointCloud();
+  ~PointCloud();
+
+  /* Geometry */
+  void clear(const bool preserver_shaders = false) override;
+
+  void resize(int numpoints);
+  void reserve(int numpoints);
+  void add_point(float3 loc, float radius, int shader = 0);
+
+  void copy_center_to_motion_step(const int motion_step);
+
+  void compute_bounds() override;
+  void apply_transform(const Transform &tfm, const bool apply_to_motion) override;
+
+  /* Points */
+  Point get_point(int i) const
+  {
+    Point point = {i};
+    return point;
+  }
+
+  size_t num_points() const
+  {
+    return points.size();
+  }
+
+  size_t num_attributes() const
+  {
+    return 1;
+  }
+
+  /* UDIM */
+  void get_uv_tiles(ustring map, unordered_set<int> &tiles) override;
+
+  PrimitiveType primitive_type() const override;
+
+  /* BVH */
+  void pack(Scene *scene, float4 *packed_points, uint *packed_shader);
+
+ private:
+  friend class BVH2;
+  friend class BVHBuild;
+  friend class BVHSpatialSplit;
+  friend class DiagSplit;
+  friend class EdgeDice;
+  friend class GeometryManager;
+  friend class ObjectManager;
+};
+
+CCL_NAMESPACE_END
+
+#endif /* __POINTCLOUD_H__ */