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 | * Benjamin Knecht |
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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 "Trigger.h" |
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30 | |
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31 | #include <OgreBillboardSet.h> |
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32 | |
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33 | #include "core/CoreIncludes.h" |
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34 | #include "core/ConsoleCommand.h" |
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35 | #include "core/GameMode.h" |
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36 | #include "core/XMLPort.h" |
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37 | #include "objects/Scene.h" |
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38 | |
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39 | namespace orxonox |
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40 | { |
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41 | |
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42 | SetConsoleCommand(Trigger, debugFlares, false).defaultValues(false); |
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43 | |
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44 | CreateFactory(Trigger); |
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45 | |
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46 | Trigger::Trigger(BaseObject* creator) : StaticEntity(creator) |
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47 | { |
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48 | RegisterObject(Trigger); |
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49 | |
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50 | this->mode_ = TM_EventTriggerAND; |
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51 | |
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52 | this->bFirstTick_ = true; |
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53 | this->bActive_ = false; |
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54 | this->bTriggered_ = false; |
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55 | this->latestState_ = 0x0; |
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56 | |
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57 | this->bInvertMode_ = false; |
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58 | this->bSwitch_ = false; |
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59 | this->bStayActive_ = false; |
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60 | this->delay_ = 0.0f; |
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61 | this->remainingTime_ = 0.0f; |
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62 | this->timeSinceLastEvent_ = 0.0f; |
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63 | this->remainingActivations_ = -1; |
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64 | |
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65 | // this->bUpdating_ = false; |
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66 | |
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67 | if (this->getScene() && GameMode::showsGraphics()) |
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68 | { |
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69 | this->debugBillboard_.setBillboardSet(this->getScene()->getSceneManager(), "Examples/Flare", ColourValue(1.0, 0.0, 0.0), 1); |
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70 | this->debugBillboard_.setVisible(false); |
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71 | |
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72 | if (this->debugBillboard_.getBillboardSet()) |
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73 | this->attachOgreObject(this->debugBillboard_.getBillboardSet()); |
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74 | } |
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75 | |
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76 | this->setObjectMode(0x0); |
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77 | } |
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78 | |
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79 | Trigger::~Trigger() |
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80 | { |
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81 | } |
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82 | |
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83 | void Trigger::XMLPort(Element& xmlelement, XMLPort::Mode mode) |
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84 | { |
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85 | SUPER(Trigger, XMLPort, xmlelement, mode); |
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86 | |
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87 | XMLPortParam(Trigger, "delay", setDelay, getDelay, xmlelement, mode).defaultValues(0.0f); |
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88 | XMLPortParam(Trigger, "switch", setSwitch, getSwitch, xmlelement, mode).defaultValues(false); |
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89 | XMLPortParam(Trigger, "stayactive", setStayActive, getStayActive, xmlelement, mode).defaultValues(false); |
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90 | XMLPortParam(Trigger, "activations", setActivations, getActivations, xmlelement, mode).defaultValues(-1); |
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91 | XMLPortParam(Trigger, "invert", setInvert, getInvert, xmlelement, mode).defaultValues(false); |
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92 | XMLPortParamTemplate(Trigger, "mode", setMode, getModeString, xmlelement, mode, const std::string&).defaultValues("or"); |
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93 | |
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94 | XMLPortObject(Trigger, Trigger, "", addTrigger, getTrigger, xmlelement, mode); |
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95 | } |
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96 | |
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97 | void Trigger::tick(float dt) |
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98 | { |
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99 | if (this->bFirstTick_) |
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100 | { |
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101 | this->bFirstTick_ = false; |
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102 | this->triggered(false); |
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103 | } |
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104 | |
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105 | // Check if the object is active (this is NOT Trigger::isActive()!) |
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106 | if (!this->BaseObject::isActive()) |
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107 | return; |
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108 | |
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109 | SUPER(Trigger, tick, dt); |
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110 | |
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111 | bool newTriggered = this->isTriggered() ^ this->bInvertMode_; |
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112 | |
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113 | // check if new triggering event is really new |
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114 | if ((this->latestState_ & 0x1) != newTriggered) |
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115 | { |
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116 | // create new state |
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117 | if (newTriggered) |
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118 | { |
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119 | this->latestState_ |= 1; // set trigger bit to 1 |
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120 | this->switchState(); |
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121 | } |
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122 | else |
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123 | { |
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124 | this->latestState_ &= 0xFE; // set trigger bit to 0 |
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125 | if (!this->bSwitch_) |
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126 | this->switchState(); |
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127 | } |
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128 | } |
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129 | |
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130 | if (this->remainingTime_ > 0.0) |
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131 | { |
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132 | this->remainingTime_ -= dt; |
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133 | // only increase when acctually waiting for a state in the queue |
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134 | if (this->timeSinceLastEvent_ >= 0.0) |
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135 | this->timeSinceLastEvent_ += dt; |
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136 | } |
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137 | |
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138 | while (this->remainingTime_ <= 0.0 && this->stateChanges_.size() > 0) |
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139 | { |
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140 | // time ran out, change state to new one |
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141 | char newState = this->stateChanges_.front().second; |
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142 | this->bTriggered_ = (newState & 0x1); |
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143 | this->bActive_ = newState & 2; |
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144 | this->triggered(this->bActive_); |
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145 | this->stateChanges_.pop(); |
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146 | if (this->stateChanges_.size() != 0) |
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147 | this->remainingTime_ = this->stateChanges_.front().first; |
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148 | else |
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149 | this->timeSinceLastEvent_ = this->delay_; |
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150 | } |
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151 | |
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152 | if (this->bTriggered_ && this->bActive_) |
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153 | this->setBillboardColour(ColourValue(0.5, 1.0, 0.0)); |
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154 | else if (!this->bTriggered_ && this->bActive_) |
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155 | this->setBillboardColour(ColourValue(0.0, 1.0, 0.0)); |
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156 | else if (this->bTriggered_ && !this->bActive_) |
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157 | this->setBillboardColour(ColourValue(1.0, 0.5, 0.0)); |
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158 | else |
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159 | this->setBillboardColour(ColourValue(1.0, 0.0, 0.0)); |
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160 | } |
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161 | |
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162 | void Trigger::triggered(bool bIsTriggered) |
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163 | { |
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164 | this->fireEvent(bIsTriggered); |
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165 | } |
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166 | |
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167 | bool Trigger::isTriggered(TriggerMode mode) |
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168 | { |
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169 | // if (this->bUpdating_) |
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170 | // return this->bTriggered_; |
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171 | |
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172 | // this->bUpdating_ = true; |
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173 | if (this->children_.size() != 0) |
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174 | { |
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175 | bool returnval = false; |
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176 | |
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177 | switch (mode) |
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178 | { |
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179 | case TM_EventTriggerAND: |
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180 | returnval = checkAnd(); |
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181 | break; |
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182 | case TM_EventTriggerOR: |
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183 | returnval = checkOr(); |
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184 | break; |
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185 | case TM_EventTriggerXOR: |
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186 | returnval = checkXor(); |
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187 | break; |
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188 | default: |
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189 | returnval = false; |
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190 | break; |
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191 | } |
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192 | // this->bUpdating_ = false; |
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193 | |
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194 | return returnval; |
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195 | } |
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196 | return true; |
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197 | } |
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198 | |
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199 | bool Trigger::checkAnd() |
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200 | { |
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201 | std::set<Trigger*>::iterator it; |
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202 | for(it = this->children_.begin(); it != this->children_.end(); ++it) |
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203 | { |
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204 | if (!(*it)->isActive()) |
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205 | return false; |
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206 | } |
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207 | return true; |
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208 | } |
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209 | |
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210 | bool Trigger::checkOr() |
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211 | { |
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212 | std::set<Trigger*>::iterator it; |
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213 | for(it = this->children_.begin(); it != this->children_.end(); ++it) |
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214 | { |
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215 | if ((*it)->isActive()) |
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216 | return true; |
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217 | } |
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218 | return false; |
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219 | } |
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220 | |
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221 | bool Trigger::checkXor() |
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222 | { |
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223 | std::set<Trigger*>::iterator it; |
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224 | bool test = false; |
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225 | for(it = this->children_.begin(); it != this->children_.end(); ++it) |
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226 | { |
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227 | if (test && (*it)->isActive()) |
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228 | return false; |
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229 | if ((*it)->isActive()) |
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230 | test = true; |
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231 | } |
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232 | return test; |
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233 | } |
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234 | |
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235 | bool Trigger::switchState() |
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236 | { |
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237 | if (( (this->latestState_ & 2) && this->bStayActive_ && (this->remainingActivations_ <= 0)) |
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238 | || (!(this->latestState_ & 2) && (this->remainingActivations_ == 0))) |
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239 | return false; |
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240 | else |
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241 | { |
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242 | this->latestState_ ^= 2; // toggle state bit |
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243 | |
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244 | // increase activation count |
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245 | if (this->latestState_ & 2 && this->remainingActivations_ > 0) |
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246 | this->remainingActivations_--; |
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247 | |
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248 | this->storeState(); |
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249 | |
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250 | return true; |
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251 | } |
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252 | } |
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253 | |
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254 | void Trigger::storeState() |
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255 | { |
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256 | // put state change into queue |
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257 | this->stateChanges_.push(std::pair<float, char>(this->timeSinceLastEvent_, this->latestState_)); |
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258 | // reset time since last event |
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259 | this->timeSinceLastEvent_ = 0.0; |
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260 | |
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261 | if (this->stateChanges_.size() == 1) |
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262 | this->remainingTime_ = this->stateChanges_.front().first; |
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263 | } |
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264 | |
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265 | void Trigger::setDelay(float delay) |
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266 | { |
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267 | this->delay_ = delay; |
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268 | this->timeSinceLastEvent_ = delay; |
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269 | } |
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270 | |
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271 | void Trigger::setMode(const std::string& modeName) |
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272 | { |
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273 | if (modeName == "and") |
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274 | this->setMode(TM_EventTriggerAND); |
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275 | else if (modeName == "or") |
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276 | this->setMode(TM_EventTriggerOR); |
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277 | else if (modeName == "xor") |
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278 | this->setMode(TM_EventTriggerXOR); |
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279 | } |
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280 | |
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281 | std::string Trigger::getModeString() const |
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282 | { |
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283 | if (this->mode_ == TM_EventTriggerAND) |
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284 | return std::string("and"); |
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285 | else if (this->mode_ == TM_EventTriggerOR) |
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286 | return std::string("or"); |
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287 | else if (this->mode_ == TM_EventTriggerXOR) |
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288 | return std::string("xor"); |
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289 | else |
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290 | return std::string("and"); |
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291 | } |
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292 | |
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293 | void Trigger::addTrigger(Trigger* trigger) |
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294 | { |
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295 | if (this != trigger) |
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296 | this->children_.insert(trigger); |
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297 | } |
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298 | |
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299 | const Trigger* Trigger::getTrigger(unsigned int index) const |
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300 | { |
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301 | if (this->children_.size() <= index) |
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302 | return NULL; |
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303 | |
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304 | std::set<Trigger*>::const_iterator it; |
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305 | it = this->children_.begin(); |
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306 | |
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307 | for (unsigned int i = 0; i != index; ++i) |
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308 | ++it; |
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309 | |
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310 | return (*it); |
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311 | } |
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312 | |
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313 | void Trigger::debugFlares(bool bVisible) |
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314 | { |
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315 | for (ObjectList<Trigger>::iterator it = ObjectList<Trigger>::begin(); it != ObjectList<Trigger>::end(); ++it) |
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316 | it->setVisible(bVisible); |
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317 | } |
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318 | |
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319 | void Trigger::setBillboardColour(const ColourValue& colour) |
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320 | { |
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321 | this->debugBillboard_.setColour(colour); |
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322 | } |
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323 | |
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324 | void Trigger::changedVisibility() |
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325 | { |
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326 | SUPER(Trigger, changedVisibility); |
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327 | |
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328 | this->debugBillboard_.setVisible(this->isVisible()); |
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329 | } |
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330 | } |
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