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source: code/branches/minigame4DHS14/src/orxonox/graphics/FadingBillboard.cc @ 10121

Last change on this file since 10121 was 9667, checked in by landauf, 11 years ago

merged core6 back to trunk

  • Property svn:eol-style set to native
File size: 4.9 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Fabian 'x3n' Landau
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#include "FadingBillboard.h"
30
31#include "core/CoreIncludes.h"
32#include "core/XMLPort.h"
33
34namespace orxonox
35{
36    RegisterClass(FadingBillboard);
37
38    FadingBillboard::FadingBillboard(Context* context) : Billboard(context)
39    {
40        RegisterObject(FadingBillboard);
41
42        this->turnontime_ = 0.0f;
43        this->turnofftime_ = 0.0f;
44        this->postprocessingtime_ = 0.0f;
45        this->changedirection_ = 0;
46
47        this->fadedColour_ = ColourValue::White;
48
49        this->registerVariables();
50    }
51
52    FadingBillboard::~FadingBillboard()
53    {
54    }
55
56    void FadingBillboard::XMLPort(Element& xmlelement, XMLPort::Mode mode)
57    {
58        SUPER(FadingBillboard, XMLPort, xmlelement, mode);
59
60        XMLPortParam(FadingBillboard, "turnontime",  setTurnOnTime,  getTurnOnTime,  xmlelement, mode).defaultValues(0.5f);
61        XMLPortParam(FadingBillboard, "turnofftime", setTurnOffTime, getTurnOffTime, xmlelement, mode).defaultValues(0.5f);
62    }
63
64    void FadingBillboard::registerVariables()
65    {
66        registerVariable(this->turnontime_,  VariableDirection::ToClient);
67        registerVariable(this->turnofftime_, VariableDirection::ToClient);
68    }
69
70    void FadingBillboard::changedColour()
71    {
72        Billboard::changedColour();
73
74        if (this->isActive())
75            this->fadedColour_ = this->getColour();
76        else
77            this->fadedColour_ = ColourValue::ZERO;
78
79        this->getBillboardSet().setColour(this->fadedColour_);
80    }
81
82    void FadingBillboard::changedActivity()
83    {
84        SUPER(FadingBillboard, changedActivity);
85
86        this->startturnonoff();
87    }
88
89    void FadingBillboard::changedVisibility()
90    {
91        SUPER(FadingBillboard, changedVisibility);
92
93        if (this->isVisible() && !this->isActive() && this->changedirection_ == 0)
94        {
95            // Billboard shouldn't be visible
96            this->getBillboardSet().setVisible(false);
97        }
98    }
99
100    void FadingBillboard::startturnonoff()
101    {
102        if (this->isActive())
103        {
104            this->changedirection_ = 1;
105            this->turnonofftimer_.setTimer(this->turnontime_, false, createExecutor(createFunctor(&FadingBillboard::stopturnonoff, this)));
106
107            if (this->isVisible())
108                this->getBillboardSet().setVisible(true);
109        }
110        else
111        {
112            this->changedirection_ = -1;
113            this->turnonofftimer_.setTimer(this->turnofftime_, false, createExecutor(createFunctor(&FadingBillboard::stopturnonoff, this)));
114        }
115    }
116
117    void FadingBillboard::stopturnonoff()
118    {
119        if (this->changedirection_ > 0)
120        {
121            this->fadedColour_ = this->getColour();
122            this->getBillboardSet().setColour(this->fadedColour_);
123        }
124        else if (this->changedirection_ < 0)
125        {
126            this->fadedColour_ = ColourValue::ZERO;
127            this->getBillboardSet().setColour(this->fadedColour_);
128            this->turnonofftimer_.setTimer(this->postprocessingtime_, false, createExecutor(createFunctor(&FadingBillboard::poststopturnonoff, this)));
129        }
130        this->changedirection_ = 0;
131    }
132
133    void FadingBillboard::poststopturnonoff()
134    {
135        this->getBillboardSet().setVisible(false);
136    }
137
138    void FadingBillboard::tick(float dt)
139    {
140        SUPER(FadingBillboard, tick, dt);
141
142        if (this->changedirection_ > 0 && (this->fadedColour_.a < this->getColour().a))
143        {
144            ColourValue colour = this->fadedColour_ + this->getColour() / this->turnontime_ * dt;
145
146            if (colour.a < this->getColour().a)
147            {
148                this->fadedColour_ = colour;
149                this->getBillboardSet().setColour(this->fadedColour_);
150            }
151        }
152        else if (this->changedirection_ < 0 && (this->fadedColour_.a > 0))
153        {
154            ColourValue colour = this->fadedColour_ - this->getColour() / this->turnofftime_ * dt;
155
156            if (colour.a > 0)
157            {
158                this->fadedColour_ = colour;
159                this->getBillboardSet().setColour(this->fadedColour_);
160            }
161        }
162    }
163}
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