Add PathFinder algorithm using SPFA
[platform/core/uifw/dali-toolkit.git] / dali-scene3d / public-api / algorithm / path-finder.cpp
1 /*
2  * Copyright (c) 2023 Samsung Electronics Co., Ltd.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 // CLASS HEADER
18 #include <dali-scene3d/public-api/algorithm/path-finder.h>
19
20 // default algorithm
21 #include <dali-scene3d/internal/algorithm/path-finder-djikstra.h>
22 #include <dali-scene3d/internal/algorithm/path-finder-spfa-double-way.h>
23 #include <dali-scene3d/internal/algorithm/path-finder-spfa.h>
24
25 namespace Dali::Scene3D::Algorithm
26 {
27 std::unique_ptr<PathFinder> PathFinder::New(NavigationMesh& navigationMesh, PathFinderAlgorithm algorithm)
28 {
29   PathFinderBase* impl = nullptr;
30
31   switch(algorithm)
32   {
33     case PathFinderAlgorithm::DJIKSTRA_SHORTEST_PATH:
34     {
35       impl = new Dali::Scene3D::Internal::Algorithm::PathFinderAlgorithmDjikstra(navigationMesh);
36       break;
37     }
38     case PathFinderAlgorithm::SPFA:
39     {
40       impl = new Dali::Scene3D::Internal::Algorithm::PathFinderAlgorithmSPFA(navigationMesh);
41       break;
42     }
43     case PathFinderAlgorithm::SPFA_DOUBLE_WAY:
44     {
45       impl = new Dali::Scene3D::Internal::Algorithm::PathFinderAlgorithmSPFADoubleWay(navigationMesh);
46       break;
47     }
48   }
49
50   if(!impl)
51   {
52     return {};
53   }
54
55   auto retval = std::unique_ptr<PathFinderBase>();
56   retval.reset(impl);
57   return std::unique_ptr<Algorithm::PathFinder>(new Algorithm::PathFinder(std::move(retval)));
58 }
59
60 WayPointList PathFinder::FindPath(const Dali::Vector3& positionFrom, const Dali::Vector3& positionTo)
61 {
62   return mImpl->FindPath(positionFrom, positionTo);
63 }
64
65 WayPointList PathFinder::FindPath(uint32_t polyIndexFrom, uint32_t polyIndexTo)
66 {
67   return mImpl->FindPath(polyIndexFrom, polyIndexTo);
68 }
69
70 PathFinder::PathFinder(std::unique_ptr<PathFinderBase>&& baseImpl)
71 {
72   mImpl = std::move(baseImpl);
73 }
74
75 } // namespace Dali::Scene3D::Algorithm