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 | * Yuning Chai |
---|
24 | * Co-authors: |
---|
25 | * Felix Schulthess |
---|
26 | * Fabian 'x3n' Landau |
---|
27 | * Reto Grieder |
---|
28 | * |
---|
29 | */ |
---|
30 | |
---|
31 | #include "OrxonoxStableHeaders.h" |
---|
32 | #include "HUDBar.h" |
---|
33 | |
---|
34 | #include <OgreOverlayManager.h> |
---|
35 | #include <OgreMaterialManager.h> |
---|
36 | #include <OgreTechnique.h> |
---|
37 | |
---|
38 | #include "util/Convert.h" |
---|
39 | |
---|
40 | namespace orxonox |
---|
41 | { |
---|
42 | unsigned int HUDBar::materialcount_s = 0; |
---|
43 | |
---|
44 | using namespace Ogre; |
---|
45 | |
---|
46 | HUDBar::HUDBar() |
---|
47 | { |
---|
48 | RegisterObject(HUDBar); |
---|
49 | |
---|
50 | this->bar_ = 0; |
---|
51 | this->background_ = 0; |
---|
52 | this->textureUnitState_ = 0; |
---|
53 | |
---|
54 | barWidth_s = 0.88f; |
---|
55 | barHeight_s = 1.0f; |
---|
56 | barOffsetLeft_s = 0.06f; |
---|
57 | barOffsetTop_s = 0.0f; |
---|
58 | |
---|
59 | this->value_ = -1; |
---|
60 | this->autoColour_ = true; |
---|
61 | this->right2Left_ = false; // default is left to right progress |
---|
62 | } |
---|
63 | |
---|
64 | HUDBar::~HUDBar() |
---|
65 | { |
---|
66 | if (this->isInitialized()) |
---|
67 | { |
---|
68 | if (this->bar_) |
---|
69 | OverlayManager::getSingleton().destroyOverlayElement(this->bar_); |
---|
70 | } |
---|
71 | } |
---|
72 | |
---|
73 | void HUDBar::XMLPort(Element& xmlElement, XMLPort::Mode mode) |
---|
74 | { |
---|
75 | HUDOverlay::XMLPort(xmlElement, mode); |
---|
76 | |
---|
77 | if (mode == XMLPort::LoadObject) |
---|
78 | { |
---|
79 | // create background |
---|
80 | this->background_ = static_cast<PanelOverlayElement*>( |
---|
81 | OverlayManager::getSingleton().createOverlayElement("Panel", getName() + "_Background")); |
---|
82 | this->background_->setMaterialName("Orxonox/BarBackground"); |
---|
83 | this->background_->setMetricsMode(GMM_RELATIVE); |
---|
84 | this->background_->setDimensions(1.0f, 1.0f); |
---|
85 | this->background_->setPosition(0.0f, 0.0f); |
---|
86 | this->overlay_->add2D(this->background_); |
---|
87 | |
---|
88 | // create new material |
---|
89 | std::string materialname = "barmaterial" + getConvertedValue<unsigned int, std::string>(materialcount_s++); |
---|
90 | Ogre::MaterialPtr material = (Ogre::MaterialPtr)Ogre::MaterialManager::getSingleton().create(materialname, "General"); |
---|
91 | material->getTechnique(0)->getPass(0)->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA); |
---|
92 | this->textureUnitState_ = material->getTechnique(0)->getPass(0)->createTextureUnitState(); |
---|
93 | this->textureUnitState_->setTextureName("bar2.tga"); |
---|
94 | // use the default colour |
---|
95 | this->textureUnitState_->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, ColourValue(0.2, 0.7, 0.2)); |
---|
96 | |
---|
97 | // create bar |
---|
98 | this->bar_ = static_cast<PanelOverlayElement*>(OverlayManager::getSingleton().createOverlayElement("Panel", getName() + "Bar")); |
---|
99 | this->bar_->setMaterialName(materialname); |
---|
100 | this->bar_->setMetricsMode(GMM_RELATIVE); |
---|
101 | this->background_->addChild(bar_); |
---|
102 | } |
---|
103 | |
---|
104 | XMLPortParamLoadOnly(HUDBar, "value", setValue, xmlElement, mode); |
---|
105 | |
---|
106 | if (mode == XMLPort::LoadObject) |
---|
107 | { |
---|
108 | this->addColour(0.7, ColourValue(0.2, 0.7, 0.2)); |
---|
109 | this->addColour(0.4, ColourValue(0.7, 0.5, 0.2)); |
---|
110 | this->addColour(0.1, ColourValue(0.7, 0.2, 0.2)); |
---|
111 | } |
---|
112 | } |
---|
113 | |
---|
114 | void HUDBar::setValue(float value) |
---|
115 | { |
---|
116 | if (value == this->value_) |
---|
117 | return; |
---|
118 | |
---|
119 | this->value_ = clamp<float>(value, 0, 1); |
---|
120 | if (this->autoColour_ && this->textureUnitState_) |
---|
121 | { |
---|
122 | // set colour |
---|
123 | if (this->colours_.size() > 0) |
---|
124 | { |
---|
125 | ColourValue colour1, colour2 = (*this->colours_.rbegin()).second; |
---|
126 | float value1, value2 = (*this->colours_.rbegin()).first; |
---|
127 | for (std::map<float, ColourValue>::reverse_iterator it = this->colours_.rbegin(); it != this->colours_.rend(); ++it) |
---|
128 | { |
---|
129 | colour1 = colour2; |
---|
130 | value1 = value2; |
---|
131 | colour2 = (*it).second; |
---|
132 | value2 = (*it).first; |
---|
133 | |
---|
134 | if (value2 < this->value_) |
---|
135 | break; |
---|
136 | } |
---|
137 | |
---|
138 | if (value2 > this->value_) |
---|
139 | { |
---|
140 | this->textureUnitState_->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, colour2); |
---|
141 | } |
---|
142 | else if (value1 < this->value_) |
---|
143 | { |
---|
144 | this->textureUnitState_->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, colour1); |
---|
145 | } |
---|
146 | else |
---|
147 | { |
---|
148 | //float interpolationfactor = (this->value_ - value2) / (value1 - value2); |
---|
149 | float interpolationfactor = interpolateSmooth((this->value_ - value2) / (value1 - value2), 0.0f, 1.0f); |
---|
150 | this->textureUnitState_->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, colour1 * interpolationfactor + colour2 * (1 - interpolationfactor)); |
---|
151 | } |
---|
152 | } |
---|
153 | } |
---|
154 | |
---|
155 | // set value |
---|
156 | if (this->right2Left_) |
---|
157 | { |
---|
158 | // backward casew |
---|
159 | this->bar_->setPosition(barOffsetLeft_s + barWidth_s * (1 - this->value_), barOffsetTop_s); |
---|
160 | this->bar_->setDimensions(barWidth_s * this->value_, barHeight_s); |
---|
161 | } |
---|
162 | else |
---|
163 | { |
---|
164 | // default case |
---|
165 | this->bar_->setPosition(barOffsetLeft_s, barOffsetTop_s); |
---|
166 | this->bar_->setDimensions(barWidth_s * this->value_, barHeight_s); |
---|
167 | } |
---|
168 | if (this->value_ != 0) |
---|
169 | this->bar_->setTiling(this->value_, 1.0); |
---|
170 | } |
---|
171 | |
---|
172 | void HUDBar::addColour(float value, const ColourValue& colour) |
---|
173 | { |
---|
174 | value = clamp<float>(value, 0, 1); |
---|
175 | this->colours_[value] = colour; |
---|
176 | } |
---|
177 | |
---|
178 | void HUDBar::clearColours() |
---|
179 | { |
---|
180 | this->colours_.clear(); |
---|
181 | } |
---|
182 | } |
---|