scene_cull_provider.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2013 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** arising from the use of this software.
8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Magnus Norddahl
27 */
28 
29 
30 #pragma once
31 
32 #include "api_scene3d.h"
33 #include "../Core/Math/vec3.h"
34 #include "../Core/Math/mat4.h"
35 #include <vector>
36 
37 namespace clan
38 {
41 
42 class SceneItem
43 {
44 public:
45  virtual ~SceneItem() { }
46 };
47 
49 {
50 };
51 
53 class FrustumPlanes;
54 
56 class CL_API_SCENE SceneCullProvider
57 {
58 public:
59  virtual ~SceneCullProvider() { }
60 
61  virtual SceneCullProxy *create_proxy(SceneItem *item, const AxisAlignedBoundingBox &aabb) = 0;
62  virtual void delete_proxy(SceneCullProxy *proxy) = 0;
63 
64  virtual void set_aabb(SceneCullProxy *proxy, const AxisAlignedBoundingBox &aabb) = 0;
65  virtual AxisAlignedBoundingBox get_aabb(SceneCullProxy *proxy) = 0;
66 
67  virtual std::vector<SceneItem *> cull(const FrustumPlanes &frustum) = 0;
68  virtual std::vector<SceneItem *> cull(const Vec3f &point) = 0;
69 };
70 
71 }
72 
Definition: frustum_planes.h:37
virtual ~SceneItem()
Definition: scene_cull_provider.h:45
virtual ~SceneCullProvider()
Definition: scene_cull_provider.h:59
Definition: aabb.h:40
Definition: scene_cull_provider.h:42
Definition: scene_cull_provider.h:48
Interface for finding the potential visible set (PVS) for a set of objects.
Definition: scene_cull_provider.h:56