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 | /** |
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30 | @file |
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31 | @brief Implementation of PickupCollection. |
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32 | */ |
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33 | |
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34 | #include "PickupCollection.h" |
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35 | |
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36 | #include "core/CoreIncludes.h" |
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37 | #include "EquipmentItem.h" |
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38 | #include "PassiveItem.h" |
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39 | #include "UsableItem.h" |
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40 | |
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41 | namespace orxonox |
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42 | { |
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43 | typedef std::pair<std::multimap<std::string, BaseItem*>::iterator, std::multimap<std::string, BaseItem*>::iterator> item_range; |
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44 | typedef std::pair<std::multimap<ModifierType::Value, float>::iterator, std::multimap<ModifierType::Value, float>::iterator> modifier_range; |
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45 | |
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46 | //! Constructor |
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47 | PickupCollection::PickupCollection() |
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48 | { |
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49 | this->bBlockRemovals_ = false; |
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50 | this->currentUsable_ = NULL; |
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51 | } |
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52 | |
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53 | /** |
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54 | @brief |
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55 | Add an item to the collection. |
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56 | |
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57 | Only adds the item if there's a free slot for it. |
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58 | |
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59 | @param item Item to add to the collection. |
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60 | @return Returns whether the item has been added to the collection. |
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61 | */ |
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62 | bool PickupCollection::add(BaseItem* item) |
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63 | { |
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64 | if (this->checkSlot(item)) |
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65 | { |
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66 | Identifier* ident = Class(UsableItem); |
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67 | if(this->currentUsable_ == NULL && item->isA(ident)) |
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68 | this->currentUsable_ = orxonox_cast<UsableItem*>(item); |
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69 | |
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70 | this->items_.insert( std::pair<std::string, BaseItem*> (item->getPickupIdentifier(), item) ); |
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71 | return true; |
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72 | } |
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73 | else |
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74 | return false; |
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75 | } |
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76 | /** |
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77 | @brief |
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78 | Check if there's a free slot for an item. |
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79 | |
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80 | Compares the amount of the item-type in the collection |
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81 | against the maximal amount of the item that can be carried. |
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82 | |
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83 | @param item Item to check for a slot. |
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84 | @return Returns if there's a free slot for the item. |
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85 | */ |
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86 | bool PickupCollection::checkSlot(BaseItem* item) |
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87 | { |
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88 | return (static_cast<int>(this->items_.count(item->getPickupIdentifier())) < item->getMaxCarryAmount()); |
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89 | } |
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90 | /** |
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91 | @brief |
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92 | Empty the collection. |
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93 | |
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94 | Calls dropped() on all the items in the collection, |
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95 | then clears the collection. |
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96 | */ |
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97 | void PickupCollection::clear() |
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98 | { |
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99 | this->bBlockRemovals_ = true; |
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100 | for (std::multimap<std::string, BaseItem*>::iterator it = this->items_.begin(); it != this->items_.end(); it++) |
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101 | { |
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102 | if((*it).second && (*it).second->getOwner()) |
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103 | (*it).second->dropped((*it).second->getOwner()); |
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104 | } |
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105 | this->currentUsable_ = NULL; |
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106 | this->items_.clear(); |
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107 | this->bBlockRemovals_ = false; |
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108 | } |
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109 | /** |
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110 | @brief Check if an item/type of item is in the collection. |
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111 | @param item Item to check. |
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112 | @param anyOfType If it should look for any item of the item's type (default: false). |
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113 | @return Whether the collection contains the item/type of item. |
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114 | */ |
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115 | bool PickupCollection::contains(BaseItem* item, bool anyOfType) |
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116 | { |
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117 | if (anyOfType) |
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118 | { |
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119 | return (this->items_.count(item->getPickupIdentifier()) > 0); |
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120 | } |
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121 | else |
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122 | { |
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123 | item_range bounds = this->items_.equal_range(item->getPickupIdentifier()); |
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124 | for (std::multimap<std::string, BaseItem*>::iterator it = bounds.first; it != bounds.second && it != this->items_.end(); it++) |
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125 | { |
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126 | if ((*it).second == item) |
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127 | { |
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128 | return true; |
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129 | } |
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130 | } |
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131 | return false; |
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132 | } |
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133 | } |
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134 | //! Uses the first usable item in the collection on the owner. |
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135 | void PickupCollection::useItem() |
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136 | { |
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137 | if(this->currentUsable_) |
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138 | this->currentUsable_->used(this->owner_); |
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139 | } |
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140 | /** |
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141 | @brief Uses a usable item on the owner of the collection. |
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142 | @param item Item to use. |
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143 | */ |
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144 | void PickupCollection::useItem(UsableItem* item) |
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145 | { |
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146 | if (item && this->owner_) |
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147 | item->used(this->owner_); |
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148 | } |
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149 | /** |
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150 | @brief Remove an item/all of a type from the collection. |
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151 | @param item Item to remove. |
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152 | @param removeAllOfType Whether to remove all the items with the item's type (default: false). |
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153 | */ |
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154 | void PickupCollection::remove(BaseItem* item, bool removeAllOfType) |
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155 | { |
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156 | if (!item || !this->contains(item, removeAllOfType) || this->bBlockRemovals_) |
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157 | return; |
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158 | |
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159 | bool getNewUsable = false; |
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160 | if (item == this->currentUsable_ || (this->currentUsable_ && removeAllOfType && this->currentUsable_->getPickupIdentifier() == item->getPickupIdentifier())) |
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161 | { |
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162 | getNewUsable = true; |
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163 | } |
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164 | |
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165 | if (removeAllOfType) |
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166 | { |
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167 | std::multimap<std::string, BaseItem*>::iterator it; |
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168 | while ((it = this->items_.find(item->getPickupIdentifier())) != this->items_.end()) |
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169 | { |
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170 | this->items_.erase(it); |
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171 | } |
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172 | } |
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173 | else |
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174 | { |
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175 | item_range bounds = this->items_.equal_range(item->getPickupIdentifier()); |
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176 | for (std::multimap<std::string, BaseItem*>::iterator it = bounds.first; it != bounds.second && it != this->items_.end(); it++) |
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177 | { |
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178 | if ((*it).second == item) |
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179 | { |
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180 | this->items_.erase(it); |
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181 | break; |
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182 | } |
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183 | } |
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184 | } |
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185 | |
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186 | if (getNewUsable) |
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187 | { |
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188 | std::deque<UsableItem*> usables = this->getUsableItems(); |
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189 | |
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190 | if(usables.size() > 0) |
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191 | this->currentUsable_ = usables.at(0); |
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192 | else |
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193 | this->currentUsable_ = NULL; |
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194 | |
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195 | } |
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196 | } |
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197 | /** |
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198 | @brief Add an additive modifier. |
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199 | @param type ModifierType to add. |
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200 | @param value Value for the modifier. |
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201 | */ |
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202 | void PickupCollection::addAdditiveModifier(ModifierType::Value type, float value) |
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203 | { |
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204 | this->additiveModifiers_.insert( std::pair<ModifierType::Value, float>(type, value) ); |
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205 | } |
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206 | /** |
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207 | @brief Get the total amount of an additive modifier. |
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208 | @param type Type for which to get the total. |
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209 | @return Returns the sum of the additive modifiers of the type. |
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210 | */ |
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211 | float PickupCollection::getAdditiveModifier(ModifierType::Value type) |
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212 | { |
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213 | float v = 0.0f; |
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214 | |
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215 | modifier_range range = this->additiveModifiers_.equal_range(type); |
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216 | |
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217 | for (std::multimap<ModifierType::Value, float>::iterator it = range.first; it != range.second && it != this->additiveModifiers_.end(); it++) |
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218 | { |
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219 | v += (*it).second; |
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220 | } |
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221 | |
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222 | return v; |
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223 | } |
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224 | /** |
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225 | @brief Remove an additive modifier. |
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226 | @param type Type of modifier. |
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227 | @param value Value which is to be removed. |
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228 | */ |
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229 | void PickupCollection::removeAdditiveModifier(ModifierType::Value type, float value) |
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230 | { |
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231 | modifier_range range = this->additiveModifiers_.equal_range(type); |
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232 | for (std::multimap<ModifierType::Value, float>::iterator it = range.first; it != range.second && it != this->additiveModifiers_.end(); it++) |
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233 | { |
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234 | if ((*it).second == value) |
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235 | { |
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236 | this->additiveModifiers_.erase(it); |
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237 | return; |
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238 | } |
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239 | } |
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240 | } |
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241 | /** |
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242 | @brief Add a multiplicative modifier. |
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243 | @param type ModifierType to add. |
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244 | @param value Value for the modifier. |
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245 | */ |
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246 | void PickupCollection::addMultiplicativeModifier(ModifierType::Value type, float value) |
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247 | { |
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248 | this->multiplicativeModifiers_.insert( std::pair<ModifierType::Value, float>(type, value) ); |
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249 | } |
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250 | /** |
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251 | @brief Get the total amount of a multiplicative modifier. |
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252 | @param type Type for which to get the total. |
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253 | @return Returns the product of the multiplicative modifiers of the type. |
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254 | */ |
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255 | float PickupCollection::getMultiplicativeModifier(ModifierType::Value type) |
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256 | { |
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257 | float v = 1.0f; |
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258 | |
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259 | modifier_range range = this->multiplicativeModifiers_.equal_range(type); |
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260 | for (std::multimap<ModifierType::Value, float>::iterator it = range.first; it != range.second && it != this->multiplicativeModifiers_.end(); it++) |
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261 | { |
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262 | v *= (*it).second; |
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263 | } |
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264 | |
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265 | return v; |
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266 | } |
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267 | /** |
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268 | @brief Remove a multiplicative modifier. |
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269 | @param type Type of modifier. |
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270 | @param value Value which is to be removed. |
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271 | */ |
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272 | void PickupCollection::removeMultiplicativeModifier(ModifierType::Value type, float value) |
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273 | { |
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274 | modifier_range range = this->multiplicativeModifiers_.equal_range(type); |
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275 | for (std::multimap<ModifierType::Value, float>::iterator it = range.first; it != range.second && it != this->multiplicativeModifiers_.end(); it++) |
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276 | { |
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277 | if ((*it).second == value) |
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278 | { |
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279 | this->multiplicativeModifiers_.erase(it); |
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280 | return; |
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281 | } |
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282 | } |
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283 | } |
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284 | /** |
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285 | @brief Applies modifiers to a float. |
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286 | @param type Type of modifier tp apply. |
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287 | @param inputValue Value which is to be processed. |
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288 | @param addBeforeMultiplication Whether to apply the additive modifier before the multiplicative one (default: false). |
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289 | @return Returns the value after being processed. |
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290 | */ |
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291 | float PickupCollection::processModifiers(ModifierType::Value type, float inputValue, bool addBeforeMultiplication) |
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292 | { |
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293 | float outputValue = inputValue; |
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294 | |
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295 | if (addBeforeMultiplication) |
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296 | outputValue += this->getAdditiveModifier(type); |
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297 | |
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298 | outputValue *= this->getMultiplicativeModifier(type); |
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299 | |
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300 | if (!addBeforeMultiplication) |
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301 | outputValue += this->getAdditiveModifier(type); |
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302 | |
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303 | return outputValue; |
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304 | } |
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305 | /** |
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306 | @brief Applies modifiers to a Vector3. |
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307 | @param type Type of modifier tp apply. |
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308 | @param inputValue Value which is to be processed. |
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309 | @param addBeforeMultiplication Whether to apply the additive modifier before the multiplicative one (default: false). |
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310 | @return Returns the value after being processed. |
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311 | */ |
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312 | Vector3 PickupCollection::processModifiers(ModifierType::Value type, Vector3 inputValue, bool addBeforeMultiplication) |
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313 | { |
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314 | Vector3 outputValue = inputValue; |
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315 | |
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316 | if (addBeforeMultiplication) |
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317 | outputValue += Vector3(this->getAdditiveModifier(type)); |
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318 | |
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319 | outputValue *= this->getMultiplicativeModifier(type); |
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320 | |
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321 | if (!addBeforeMultiplication) |
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322 | outputValue += Vector3(this->getAdditiveModifier(type)); |
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323 | |
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324 | return outputValue; |
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325 | } |
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326 | /** |
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327 | @brief Get a list of equipment-type items. |
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328 | @return Returns a list of all the equipment-type items in the collection. |
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329 | */ |
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330 | std::deque<EquipmentItem*> PickupCollection::getEquipmentItems() |
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331 | { |
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332 | std::deque<EquipmentItem*> ret; |
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333 | Identifier* ident = Class(EquipmentItem); |
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334 | |
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335 | for (std::multimap<std::string, BaseItem*>::iterator it = this->items_.begin(); it != this->items_.end(); it++) |
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336 | { |
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337 | if ((*it).second->isA(ident)) |
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338 | ret.push_back(orxonox_cast<EquipmentItem*>((*it).second)); |
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339 | } |
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340 | |
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341 | return ret; |
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342 | } |
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343 | /** |
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344 | @brief Get a list of passive items. |
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345 | @return Returns a list of all the passive items in the collection. |
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346 | */ |
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347 | std::deque<PassiveItem*> PickupCollection::getPassiveItems() |
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348 | { |
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349 | std::deque<PassiveItem*> ret; |
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350 | Identifier* ident = Class(PassiveItem); |
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351 | |
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352 | for (std::multimap<std::string, BaseItem*>::iterator it = this->items_.begin(); it != this->items_.end(); it++) |
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353 | { |
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354 | if ((*it).second->isA(ident)) |
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355 | ret.push_back(orxonox_cast<PassiveItem*>((*it).second)); |
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356 | } |
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357 | |
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358 | return ret; |
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359 | } |
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360 | /** |
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361 | @brief Get a list of usable items. |
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362 | @return Returns a list of all the usable items in the collection. |
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363 | */ |
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364 | std::deque<UsableItem*> PickupCollection::getUsableItems() |
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365 | { |
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366 | std::deque<UsableItem*> ret; |
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367 | Identifier* ident = Class(UsableItem); |
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368 | |
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369 | for (std::multimap<std::string, BaseItem*>::iterator it = this->items_.begin(); it != this->items_.end(); it++) |
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370 | { |
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371 | if ((*it).second->isA(ident)) |
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372 | ret.push_back(orxonox_cast<UsableItem*>((*it).second)); |
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373 | } |
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374 | |
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375 | return ret; |
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376 | } |
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377 | } |
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