[2917] | 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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[3196] | 36 | #include "core/CoreIncludes.h" |
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[2917] | 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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[3040] | 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::Enum, float>::iterator, std::multimap<ModifierType::Enum, float>::iterator> modifier_range; |
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| 45 | |
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[2917] | 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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[3001] | 50 | this->currentUsable_ = NULL; |
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[2917] | 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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[3040] | 56 | |
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[2917] | 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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[3001] | 66 | Identifier* ident = Class(UsableItem); |
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| 67 | if(this->currentUsable_ == NULL && item->isA(ident)) |
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| 68 | this->currentUsable_ = dynamic_cast<UsableItem*>(item); |
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| 69 | |
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[2917] | 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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[3074] | 88 | return ((int)this->items_.count(item->getPickupIdentifier()) < item->getMaxCarryAmount()); |
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[2917] | 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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[3001] | 105 | this->currentUsable_ = NULL; |
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[2917] | 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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[3040] | 123 | item_range bounds = this->items_.equal_range(item->getPickupIdentifier()); |
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[2917] | 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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[3001] | 137 | if(this->currentUsable_) |
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| 138 | this->currentUsable_->used(this->owner_); |
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[2917] | 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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[3016] | 159 | bool getNewUsable = false; |
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[3001] | 160 | if (item == this->currentUsable_ || (this->currentUsable_ && removeAllOfType && this->currentUsable_->getPickupIdentifier() == item->getPickupIdentifier())) |
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| 161 | { |
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[3016] | 162 | getNewUsable = true; |
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| 163 | } |
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[3001] | 164 | |
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[2917] | 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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[3040] | 175 | item_range bounds = this->items_.equal_range(item->getPickupIdentifier()); |
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[2917] | 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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[3016] | 181 | break; |
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[2917] | 182 | } |
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| 183 | } |
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| 184 | } |
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[3016] | 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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[3040] | 194 | |
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[3016] | 195 | } |
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[2917] | 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::Enum type, float value) |
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| 203 | { |
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| 204 | this->additiveModifiers_.insert( std::pair<ModifierType::Enum, 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::Enum type) |
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| 212 | { |
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| 213 | float v = 0.0f; |
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| 214 | |
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[3040] | 215 | modifier_range range = this->additiveModifiers_.equal_range(type); |
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[2917] | 216 | |
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| 217 | for (std::multimap<ModifierType::Enum, 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::Enum type, float value) |
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| 230 | { |
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[3040] | 231 | modifier_range range = this->additiveModifiers_.equal_range(type); |
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[2917] | 232 | for (std::multimap<ModifierType::Enum, 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::Enum type, float value) |
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| 247 | { |
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| 248 | this->multiplicativeModifiers_.insert( std::pair<ModifierType::Enum, 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::Enum type) |
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| 256 | { |
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| 257 | float v = 1.0f; |
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| 258 | |
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[3040] | 259 | modifier_range range = this->multiplicativeModifiers_.equal_range(type); |
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[2917] | 260 | for (std::multimap<ModifierType::Enum, 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::Enum type, float value) |
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| 273 | { |
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[3040] | 274 | modifier_range range = this->multiplicativeModifiers_.equal_range(type); |
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[2917] | 275 | for (std::multimap<ModifierType::Enum, 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::Enum 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::Enum 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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[2972] | 330 | std::deque<EquipmentItem*> PickupCollection::getEquipmentItems() |
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[2917] | 331 | { |
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[2972] | 332 | std::deque<EquipmentItem*> ret; |
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[2917] | 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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[2972] | 338 | ret.push_back(dynamic_cast<EquipmentItem*>((*it).second)); |
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[2917] | 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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[2972] | 347 | std::deque<PassiveItem*> PickupCollection::getPassiveItems() |
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[2917] | 348 | { |
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[2972] | 349 | std::deque<PassiveItem*> ret; |
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[2917] | 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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[2972] | 355 | ret.push_back(dynamic_cast<PassiveItem*>((*it).second)); |
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[2917] | 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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[2972] | 364 | std::deque<UsableItem*> PickupCollection::getUsableItems() |
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[2917] | 365 | { |
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[2972] | 366 | std::deque<UsableItem*> ret; |
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[2917] | 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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[2972] | 372 | ret.push_back(dynamic_cast<UsableItem*>((*it).second)); |
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[2917] | 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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