src/itemdef.h

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4 Copyright (C) 2013 Kahrl <kahrl@gmx.net>
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU Lesser General Public License as published by
   8 the Free Software Foundation; either version 2.1 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU Lesser General Public License for more details.
  15
  16 You should have received a copy of the GNU Lesser General Public License along
  17 with this program; if not, write to the Free Software Foundation, Inc.,
  18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21 #pragma once
  22
  23 #include "irrlichttypes_extrabloated.h"
  24 #include <string>
  25 #include <iostream>
  26 #include <set>
  27 #include "itemgroup.h"
  28 #include "sound.h"
  29 #include "texture_override.h" // TextureOverride
  30 class IGameDef;
  31 class Client;
  32 struct ToolCapabilities;
  33 #ifndef SERVER
  34 #include "client/tile.h"
  35 struct ItemMesh;
  36 struct ItemStack;
  37 #endif
  38
  39 /*
  40         Base item definition
  41 */
  42
  43 enum ItemType
  44 {
  45         ITEM_NONE,
  46         ITEM_NODE,
  47         ITEM_CRAFT,
  48         ITEM_TOOL,
  49 };
  50
  51 struct ItemDefinition
  52 {
  53         /*
  54                 Basic item properties
  55         */
  56         ItemType type;
  57         std::string name; // "" = hand
  58         std::string description; // Shown in tooltip.
  59         std::string short_description;
  60
  61         /*
  62                 Visual properties
  63         */
  64         std::string inventory_image; // Optional for nodes, mandatory for tools/craftitems
  65         std::string inventory_overlay; // Overlay of inventory_image.
  66         std::string wield_image; // If empty, inventory_image or mesh (only nodes) is used
  67         std::string wield_overlay; // Overlay of wield_image.
  68         std::string palette_image; // If specified, the item will be colorized based on this
  69         video::SColor color; // The fallback color of the node.
  70         v3f wield_scale;
  71
  72         /*
  73                 Item stack and interaction properties
  74         */
  75         u16 stack_max;
  76         bool usable;
  77         bool liquids_pointable;
  78         // May be NULL. If non-NULL, deleted by destructor
  79         ToolCapabilities *tool_capabilities;
  80         ItemGroupList groups;
  81         SimpleSoundSpec sound_place;
  82         SimpleSoundSpec sound_place_failed;
  83         f32 range;
  84
  85         // Client shall immediately place this node when player places the item.
  86         // Server will update the precise end result a moment later.
  87         // "" = no prediction
  88         std::string node_placement_prediction;
  89
  90         /*
  91                 Some helpful methods
  92         */
  93         ItemDefinition();
  94         ItemDefinition(const ItemDefinition &def);
  95         ItemDefinition& operator=(const ItemDefinition &def);
  96         ~ItemDefinition();
  97         void reset();
  98         void serialize(std::ostream &os, u16 protocol_version) const;
  99         void deSerialize(std::istream &is);
 100 private:
 101         void resetInitial();
 102 };
 103
 104 class IItemDefManager
 105 {
 106 public:
 107         IItemDefManager() = default;
 108
 109         virtual ~IItemDefManager() = default;
 110
 111         // Get item definition
 112         virtual const ItemDefinition& get(const std::string &name) const=0;
 113         // Get alias definition
 114         virtual const std::string &getAlias(const std::string &name) const=0;
 115         // Get set of all defined item names and aliases
 116         virtual void getAll(std::set<std::string> &result) const=0;
 117         // Check if item is known
 118         virtual bool isKnown(const std::string &name) const=0;
 119 #ifndef SERVER
 120         // Get item inventory texture
 121         virtual video::ITexture* getInventoryTexture(const std::string &name,
 122                         Client *client) const=0;
 123         // Get item wield mesh
 124         virtual ItemMesh* getWieldMesh(const std::string &name,
 125                 Client *client) const=0;
 126         // Get item palette
 127         virtual Palette* getPalette(const std::string &name,
 128                 Client *client) const = 0;
 129         // Returns the base color of an item stack: the color of all
 130         // tiles that do not define their own color.
 131         virtual video::SColor getItemstackColor(const ItemStack &stack,
 132                 Client *client) const = 0;
 133 #endif
 134
 135         virtual void serialize(std::ostream &os, u16 protocol_version)=0;
 136 };
 137
 138 class IWritableItemDefManager : public IItemDefManager
 139 {
 140 public:
 141         IWritableItemDefManager() = default;
 142
 143         virtual ~IWritableItemDefManager() = default;
 144
 145         // Get item definition
 146         virtual const ItemDefinition& get(const std::string &name) const=0;
 147         // Get alias definition
 148         virtual const std::string &getAlias(const std::string &name) const=0;
 149         // Get set of all defined item names and aliases
 150         virtual void getAll(std::set<std::string> &result) const=0;
 151         // Check if item is known
 152         virtual bool isKnown(const std::string &name) const=0;
 153 #ifndef SERVER
 154         // Get item inventory texture
 155         virtual video::ITexture* getInventoryTexture(const std::string &name,
 156                         Client *client) const=0;
 157         // Get item wield mesh
 158         virtual ItemMesh* getWieldMesh(const std::string &name,
 159                 Client *client) const=0;
 160 #endif
 161
 162         // Replace the textures of registered nodes with the ones specified in
 163         // the texture pack's override.txt files
 164         virtual void applyTextureOverrides(const std::vector<TextureOverride> &overrides)=0;
 165
 166         // Remove all registered item and node definitions and aliases
 167         // Then re-add the builtin item definitions
 168         virtual void clear()=0;
 169         // Register item definition
 170         virtual void registerItem(const ItemDefinition &def)=0;
 171         virtual void unregisterItem(const std::string &name)=0;
 172         // Set an alias so that items named <name> will load as <convert_to>.
 173         // Alias is not set if <name> has already been defined.
 174         // Alias will be removed if <name> is defined at a later point of time.
 175         virtual void registerAlias(const std::string &name,
 176                         const std::string &convert_to)=0;
 177
 178         virtual void serialize(std::ostream &os, u16 protocol_version)=0;
 179         virtual void deSerialize(std::istream &is)=0;
 180
 181         // Do stuff asked by threads that can only be done in the main thread
 182         virtual void processQueue(IGameDef *gamedef)=0;
 183 };
 184
 185 IWritableItemDefManager* createItemDefManager();