blob: 3a4bf7d891e8c3730fc4f88c10b874702ddb8a40 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/****************************************************************************
**
** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "filterproximitydistancejob_p.h"
#include <Qt3DRender/private/managers_p.h>
#include <Qt3DRender/private/nodemanagers_p.h>
#include <Qt3DRender/private/entity_p.h>
#include <Qt3DRender/private/proximityfilter_p.h>
#include <Qt3DRender/private/job_common_p.h>
#include <Qt3DRender/private/sphere_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
namespace {
int instanceCounter = 0;
} // anonymous
FilterProximityDistanceJob::FilterProximityDistanceJob()
: m_manager(nullptr)
, m_targetEntity(nullptr)
, m_distanceThresholdSquared(0.)
{
SET_JOB_RUN_STAT_TYPE(this, JobTypes::ProximityFiltering, instanceCounter++)
}
FilterProximityDistanceJob::~FilterProximityDistanceJob()
{
--instanceCounter;
}
bool FilterProximityDistanceJob::isRequired()
{
return hasProximityFilter();
}
void FilterProximityDistanceJob::run()
{
Q_ASSERT(m_manager != nullptr);
m_filteredEntities.clear();
// Fill m_filteredEntities
// If no filtering needs to be done, this will be the output value
// otherwise it will be used as the base list of entities to filter
if (hasProximityFilter()) {
selectAllEntities();
std::vector<Entity *> entitiesToFilter = std::move(m_filteredEntities);
FrameGraphManager *frameGraphManager = m_manager->frameGraphManager();
EntityManager *entityManager = m_manager->renderNodesManager();
for (const Qt3DCore::QNodeId &proximityFilterId : qAsConst(m_proximityFilterIds)) {
ProximityFilter *proximityFilter = static_cast<ProximityFilter *>(frameGraphManager->lookupNode(proximityFilterId));
m_targetEntity = entityManager->lookupResource(proximityFilter->entityId());
m_distanceThresholdSquared = proximityFilter->distanceThreshold();
m_distanceThresholdSquared *= m_distanceThresholdSquared;
// We can't filter, select nothings
if (m_targetEntity == nullptr || m_distanceThresholdSquared <= 0.0f) {
m_filteredEntities.clear();
return;
}
// Otherwise we filter
filterEntities(entitiesToFilter);
// And we make the filtered subset be the list of entities to filter
// for the next loop
entitiesToFilter = std::move(m_filteredEntities);
}
m_filteredEntities = std::move(entitiesToFilter);
}
// sort needed for set_intersection in RenderViewBuilder
std::sort(m_filteredEntities.begin(), m_filteredEntities.end());
}
void FilterProximityDistanceJob::selectAllEntities()
{
EntityManager *entityManager = m_manager->renderNodesManager();
const std::vector<HEntity> &handles = entityManager->activeHandles();
m_filteredEntities.reserve(handles.size());
for (const HEntity &handle : handles) {
Entity *e = entityManager->data(handle);
m_filteredEntities.push_back(e);
}
}
void FilterProximityDistanceJob::filterEntities(const std::vector<Entity *> &entitiesToFilter)
{
const Sphere *target = m_targetEntity->worldBoundingVolumeWithChildren();
for (Entity *entity : entitiesToFilter) {
// Note: The target entity is always selected as distance will be 0
// Retrieve center of bounding volume for entity
const Sphere *s = entity->worldBoundingVolumeWithChildren();
// If distance between entity and target is less than threshold, we keep the entity
if ((s->center() - target->center()).lengthSquared() <= m_distanceThresholdSquared)
m_filteredEntities.push_back(entity);
}
}
} // Render
} // Qt3DRender
QT_END_NAMESPACE
|
