1 | /* |
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2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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3 | * > www.orxonox.net < |
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4 | * |
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5 | * |
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6 | * License notice: |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU General Public License |
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10 | * as published by the Free Software Foundation; either version 2 |
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11 | * of the License, or (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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21 | * |
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22 | * Author: |
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23 | * Fabian 'x3n' Landau |
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24 | * Co-authors: |
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25 | * ... |
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26 | * |
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27 | */ |
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28 | |
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29 | #include "OrxonoxStableHeaders.h" |
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30 | #include "Backlight.h" |
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31 | |
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32 | #include <OgreBillboard.h> |
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33 | #include <OgreRibbonTrail.h> |
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34 | #include <OgreSceneManager.h> |
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35 | |
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36 | #include "core/CoreIncludes.h" |
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37 | #include "core/ConfigValueIncludes.h" |
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38 | #include "core/Executor.h" |
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39 | #include "util/Math.h" |
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40 | #include "GraphicsEngine.h" |
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41 | |
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42 | namespace orxonox |
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43 | { |
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44 | CreateFactory(Backlight); |
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45 | |
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46 | float Backlight::timeFactor_s = 1.0; |
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47 | |
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48 | Backlight::Backlight(float maxspeed, float brakingtime, float scale) |
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49 | { |
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50 | RegisterObject(Backlight); |
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51 | |
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52 | this->setConfigValues(); |
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53 | this->traillength_ = 1; |
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54 | |
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55 | this->getNode()->setInheritScale(false); |
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56 | |
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57 | this->billboard_.setBillboardSet("Flares/backlightflare"); |
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58 | this->attachObject(this->billboard_.getBillboardSet()); |
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59 | |
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60 | this->ribbonTrail_ = GraphicsEngine::getInstance().getLevelSceneManager()->createRibbonTrail(this->getName() + "RibbonTrail"); |
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61 | this->ribbonTrailNode_ = GraphicsEngine::getInstance().getLevelSceneManager()->getRootSceneNode()->createChildSceneNode(this->getName() + "RibbonTrailNode"); |
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62 | this->ribbonTrailNode_->attachObject(this->ribbonTrail_); |
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63 | this->ribbonTrail_->addNode(this->getNode()); |
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64 | |
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65 | this->configure(maxspeed, brakingtime, scale); |
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66 | |
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67 | this->ribbonTrail_->setTrailLength(this->maxTraillength_); |
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68 | this->ribbonTrail_->setMaterialName("Trail/backlighttrail"); |
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69 | |
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70 | //this->setTimeFactor(Orxonox::getInstance().getTimeFactor()); |
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71 | this->setTimeFactor(1.0f); |
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72 | } |
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73 | |
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74 | Backlight::~Backlight() |
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75 | { |
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76 | if (this->isInitialized()) |
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77 | { |
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78 | this->detachObject(this->billboard_.getBillboardSet()); |
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79 | GraphicsEngine::getInstance().getLevelSceneManager()->destroySceneNode(this->getName() + "RibbonTrailNode"); |
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80 | GraphicsEngine::getInstance().getLevelSceneManager()->destroyRibbonTrail(this->ribbonTrail_); |
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81 | } |
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82 | } |
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83 | |
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84 | void Backlight::setConfigValues() |
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85 | { |
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86 | SetConfigValue(maxLifeTime_, 4.0).description("The maximal amount of seconds the trail behind a SpaceShip stays visible"); |
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87 | SetConfigValue(trailSegmentLength_, 50).description("The length of one segment of the trail behind a SpaceShip (lower values make it more smooth)"); |
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88 | SetConfigValue(width_, 7.0).description("The width of the trail"); |
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89 | } |
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90 | |
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91 | void Backlight::setTimeFactor(float factor) |
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92 | { |
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93 | Backlight::timeFactor_s = factor; |
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94 | float change = Backlight::timeFactor_s / this->maxLifeTime_; |
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95 | this->ribbonTrail_->setWidthChange(0, this->width_ * change); |
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96 | this->updateColourChange(); |
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97 | } |
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98 | |
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99 | void Backlight::updateColourChange() |
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100 | { |
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101 | this->ribbonTrail_->setColourChange(0, ColourValue(0, 0, 0, this->maxTraillength_ / this->traillength_ / this->maxLifeTime_ * Backlight::timeFactor_s)); |
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102 | } |
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103 | |
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104 | void Backlight::tick(float dt) |
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105 | { |
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106 | SUPER(Backlight, tick, dt); |
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107 | |
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108 | if (this->isActive()) |
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109 | { |
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110 | if (this->traillength_ < this->maxTraillength_) |
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111 | { |
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112 | this->traillength_ = min<float>(this->maxTraillength_, this->traillength_ + dt * this->maxTraillength_ / this->maxLifeTime_); |
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113 | this->updateColourChange(); |
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114 | } |
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115 | } |
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116 | else |
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117 | { |
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118 | if (this->traillength_ > 1) |
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119 | { |
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120 | this->traillength_ = max<float>(1, this->traillength_ - this->brakefactor_ * dt * this->maxTraillength_ / this->maxLifeTime_); |
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121 | this->updateColourChange(); |
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122 | } |
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123 | } |
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124 | |
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125 | this->ribbonTrail_->setTrailLength(this->traillength_); |
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126 | } |
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127 | |
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128 | void Backlight::setColour(const ColourValue& colour) |
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129 | { |
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130 | this->billboard_.getBillboardSet()->getBillboard(0)->setColour(colour); |
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131 | this->ribbonTrail_->setInitialColour(0, ColourValue(colour.r / 4 + 0.75, colour.g / 4 + 0.75, colour.b / 4 + 0.75)); |
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132 | } |
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133 | |
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134 | void Backlight::configure(float maxspeed, float brakingtime, float scale) |
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135 | { |
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136 | this->maxTraillength_ = this->maxLifeTime_ * maxspeed; |
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137 | this->maxTrailsegments_ = (size_t)(this->maxTraillength_ / this->trailSegmentLength_); |
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138 | this->ribbonTrail_->setMaxChainElements(this->maxTrailsegments_); |
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139 | this->ribbonTrail_->setTrailLength(this->traillength_ = 2 * this->maxTrailsegments_); |
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140 | |
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141 | this->brakefactor_ = this->maxLifeTime_ / brakingtime; |
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142 | |
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143 | this->scale(scale); |
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144 | this->ribbonTrail_->setInitialWidth(0, this->width_ * scale); |
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145 | this->ribbonTrail_->setWidthChange(0, this->width_ * scale / this->maxLifeTime_ * Backlight::timeFactor_s); |
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146 | } |
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147 | |
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148 | void Backlight::changedVisibility() |
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149 | { |
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150 | SUPER(Backlight, changedVisibility); |
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151 | |
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152 | this->billboard_.setVisible(this->isVisible()); |
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153 | this->ribbonTrail_->setVisible(this->isVisible()); |
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154 | } |
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155 | } |
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