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39
40#ifndef SPRITEGOALAFFECTOR_H
41#define SPRITEGOALAFFECTOR_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53#include "qquickparticleaffector_p.h"
54#include <QtQml/qqmlinfo.h>
55
56QT_BEGIN_NAMESPACE
57
58class QQuickStochasticEngine;
59
60class QQuickSpriteGoalAffector : public QQuickParticleAffector
61{
62 Q_OBJECT
63 Q_PROPERTY(QString goalState READ goalState WRITE setGoalState NOTIFY goalStateChanged)
64 Q_PROPERTY(bool jump READ jump WRITE setJump NOTIFY jumpChanged)
65 Q_PROPERTY(bool systemStates READ systemStates WRITE setSystemStates NOTIFY systemStatesChanged)
66 QML_NAMED_ELEMENT(SpriteGoal)
67public:
68 explicit QQuickSpriteGoalAffector(QQuickItem *parent = 0);
69
70 QString goalState() const
71 {
72 return m_goalState;
73 }
74
75 bool jump() const
76 {
77 return m_jump;
78 }
79 bool systemStates() const
80 {
81 return m_systemStates;
82 }
83
84protected:
85 bool affectParticle(QQuickParticleData *d, qreal dt) override;
86
87Q_SIGNALS:
88
89 void goalStateChanged(const QString &arg);
90
91 void jumpChanged(bool arg);
92
93 void systemStatesChanged(bool arg);
94
95public Q_SLOTS:
96
97void setGoalState(const QString &arg);
98
99void setJump(bool arg)
100{
101 if (m_jump != arg) {
102 m_jump = arg;
103 Q_EMIT jumpChanged(arg);
104 }
105}
106
107void setSystemStates(bool arg)
108{
109 if (m_systemStates != arg) {
110 //TODO: GroupGoal was added (and this deprecated) Oct 4 - remove it in a few weeks.
111 qmlWarning(me: this) << "systemStates is deprecated and will be removed soon. Use GroupGoal instead.";
112 m_systemStates = arg;
113 Q_EMIT systemStatesChanged(arg);
114 }
115}
116
117private:
118 void updateStateIndex(QQuickStochasticEngine* e);
119 QString m_goalState;
120 int m_goalIdx;
121 QQuickStochasticEngine* m_lastEngine;
122 bool m_jump;
123 bool m_systemStates;
124
125 bool m_notUsingEngine;
126};
127
128QT_END_NAMESPACE
129
130#endif // SPRITEGOALAFFECTOR_H
131

source code of qtdeclarative/src/particles/qquickspritegoal_p.h