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 | * Daniel 'Huty' Haggenmueller |
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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 "DroppedItem.h" |
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30 | |
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31 | #include "util/Math.h" |
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32 | #include "core/CoreIncludes.h" |
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33 | #include "core/Executor.h" |
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34 | #include "BaseItem.h" |
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35 | #include "graphics/Billboard.h" |
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36 | #include "graphics/Model.h" |
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37 | #include "worldentities/pawns/Pawn.h" |
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38 | |
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39 | namespace orxonox |
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40 | { |
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41 | CreateFactory(DroppedItem); |
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42 | |
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43 | /** |
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44 | @brief |
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45 | Constructor. Registers object and sets default values. |
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46 | */ |
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47 | DroppedItem::DroppedItem(BaseObject* creator) : StaticEntity(creator) |
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48 | { |
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49 | RegisterObject(DroppedItem); |
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50 | |
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51 | this->triggerDistance_ = 20.0f; |
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52 | this->timeToLive_ = 0; |
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53 | this->item_ = NULL; |
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54 | } |
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55 | |
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56 | /** |
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57 | @brief |
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58 | Default destructor. |
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59 | */ |
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60 | //TODO: Destroy something? |
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61 | DroppedItem::~DroppedItem() |
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62 | { |
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63 | |
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64 | } |
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65 | |
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66 | /** |
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67 | @brief |
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68 | Checks whether any pawn is in triggerDistance of the Item and calls this->trigger if so. |
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69 | @param dt |
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70 | The duration of the last time interval. |
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71 | */ |
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72 | //TODO: Replace this with a DistanceTrigger! |
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73 | void DroppedItem::tick(float dt) |
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74 | { |
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75 | if (this->item_) |
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76 | { |
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77 | for (ObjectList<Pawn>::iterator it = ObjectList<Pawn>::begin(); it != ObjectList<Pawn>::end(); ++it) //!< Iterate through all Pawns. |
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78 | { |
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79 | Vector3 distance = it->getWorldPosition() - this->getWorldPosition(); |
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80 | if (distance.length() < this->triggerDistance_) |
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81 | this->trigger(*it); |
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82 | } |
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83 | } |
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84 | } |
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85 | |
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86 | /** |
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87 | @brief |
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88 | Called when the DroppedItem is triggered. Adds the item to the triggering pawn. |
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89 | */ |
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90 | void DroppedItem::trigger(Pawn* pawn) |
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91 | { |
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92 | if (this->item_->pickedUp(pawn)) //If pickup was successful. |
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93 | { |
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94 | COUT(3) << "DroppedItem '" << this->item_->getPickupIdentifier() << "' picked up." << std::endl; |
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95 | this->destroy(); |
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96 | } |
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97 | } |
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98 | |
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99 | /** |
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100 | @brief |
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101 | Creates a timer to call this->timerCallback() at expiration of timeToLive. |
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102 | */ |
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103 | //TODO: Better Comments. |
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104 | void DroppedItem::createTimer() |
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105 | { |
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106 | if (this->timeToLive_ > 0) |
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107 | { |
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108 | this->timer_.setTimer(this->timeToLive_, false, createExecutor(createFunctor(&DroppedItem::timerCallback, this)), false); |
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109 | } |
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110 | } |
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111 | |
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112 | /** |
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113 | @brief |
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114 | Destroys the item. Called by the set timer upon its expiration. |
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115 | */ |
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116 | //TODO: Choose better function name if this doesn't create dependency inconsistencies. e.g. this->destroy() or this->timeOut() |
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117 | //Make certain that only one pawn has the same item, because if not, deliting the item would lead to a possible segfault. |
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118 | //If the item is destroyed here, shouldn't it be destroyed in the destructor as well? |
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119 | void DroppedItem::timerCallback() |
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120 | { |
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121 | if (this->item_) |
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122 | { |
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123 | COUT(3) << "Delete DroppedItem with '" << this->item_->getPickupIdentifier() << "'" << std::endl; |
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124 | this->item_->destroy(); |
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125 | } |
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126 | |
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127 | this->destroy(); |
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128 | } |
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129 | |
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130 | /** |
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131 | @brief |
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132 | |
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133 | */ |
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134 | //TODO: Comment. |
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135 | //This is for pawns dropping items they have... |
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136 | //Probably better to create a spawner with only 1 item in it. |
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137 | //Various different thigs are done here, which in my opinion should eighter be done in XML or some where else, preferably in XML. |
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138 | //Each pickup should have a XML template where the Model and Billboard, and so on, is specified. |
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139 | //The position, item and timetoLive should be specified by this Classes XMLPort function. |
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140 | //These adjustments above, will very likely create inkonsistencies in the level files, possibly templates. |
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141 | /*static*/ DroppedItem* DroppedItem::createDefaultDrop(BaseItem* item, const Vector3& position, const ColourValue& flareColour, float timeToLive) |
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142 | { |
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143 | DroppedItem* drop = new DroppedItem(item); |
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144 | Model* model = new Model(item); |
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145 | Billboard* billboard = new Billboard(item); |
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146 | |
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147 | model->setMeshSource("sphere.mesh"); |
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148 | model->setScale(3.0f); |
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149 | |
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150 | billboard->setMaterial("Examples/Flare"); |
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151 | billboard->setColour(flareColour); |
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152 | billboard->setScale(0.5f); |
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153 | |
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154 | drop->setPosition(position); |
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155 | drop->attach(model); |
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156 | drop->attach(billboard); |
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157 | |
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158 | drop->setItem(item); |
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159 | |
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160 | drop->setTimeToLive(timeToLive); |
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161 | drop->createTimer(); |
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162 | |
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163 | COUT(3) << "Created DroppedItem for '" << item->getPickupIdentifier() << "' at (" << position.x << "," << position.y << "," << position.z << ")." << std::endl; |
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164 | |
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165 | return drop; |
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166 | } |
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167 | |
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168 | /** |
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169 | @brief |
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170 | |
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171 | */ |
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172 | //TODO: See one function above. |
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173 | DroppedItem* DroppedItem::createDefaultDrop(BaseItem* item, Pawn* pawn, const ColourValue& flareColour, float timeToLive) |
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174 | { |
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175 | Vector3 after = pawn->getPosition() + pawn->getOrientation() * Vector3(0.0f, 0.0f, 50.0f); |
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176 | return DroppedItem::createDefaultDrop(item, after, flareColour, timeToLive); |
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177 | } |
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178 | } |
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