src/guiInventoryMenu.h

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20
  21 #ifndef GUIINVENTORYMENU_HEADER
  22 #define GUIINVENTORYMENU_HEADER
  23
  24 #include "common_irrlicht.h"
  25 #include "inventory.h"
  26 #include "inventorymanager.h"
  27 #include "utility.h"
  28 #include "modalMenu.h"
  29
  30 class IGameDef;
  31 class InventoryManager;
  32
  33 void drawItemStack(video::IVideoDriver *driver,
  34                 gui::IGUIFont *font,
  35                 const ItemStack &item,
  36                 const core::rect<s32> &rect,
  37                 const core::rect<s32> *clip,
  38                 IGameDef *gamedef);
  39
  40 class GUIInventoryMenu : public GUIModalMenu
  41 {
  42         struct ItemSpec
  43         {
  44                 ItemSpec()
  45                 {
  46                         i = -1;
  47                 }
  48                 ItemSpec(const InventoryLocation &a_inventoryloc,
  49                                 const std::string &a_listname,
  50                                 s32 a_i)
  51                 {
  52                         inventoryloc = a_inventoryloc;
  53                         listname = a_listname;
  54                         i = a_i;
  55                 }
  56                 bool isValid() const
  57                 {
  58                         return i != -1;
  59                 }
  60
  61                 InventoryLocation inventoryloc;
  62                 std::string listname;
  63                 s32 i;
  64         };
  65
  66         struct ListDrawSpec
  67         {
  68                 ListDrawSpec()
  69                 {
  70                 }
  71                 ListDrawSpec(const InventoryLocation &a_inventoryloc,
  72                                 const std::string &a_listname,
  73                                 v2s32 a_pos, v2s32 a_geom)
  74                 {
  75                         inventoryloc = a_inventoryloc;
  76                         listname = a_listname;
  77                         pos = a_pos;
  78                         geom = a_geom;
  79                 }
  80
  81                 InventoryLocation inventoryloc;
  82                 std::string listname;
  83                 v2s32 pos;
  84                 v2s32 geom;
  85         };
  86 public:
  87         struct DrawSpec
  88         {
  89                 DrawSpec()
  90                 {
  91                 }
  92                 DrawSpec(const std::string &a_type,
  93                                 const InventoryLocation &a_name,
  94                                 const std::string &a_subname,
  95                                 v2s32 a_pos,
  96                                 v2s32 a_geom)
  97                 {
  98                         type = a_type;
  99                         name = a_name;
 100                         subname = a_subname;
 101                         pos = a_pos;
 102                         geom = a_geom;
 103                 }
 104
 105                 std::string type;
 106                 InventoryLocation name;
 107                 std::string subname;
 108                 v2s32 pos;
 109                 v2s32 geom;
 110         };
 111
 112         // See .cpp for format
 113         static v2s16 makeDrawSpecArrayFromString(
 114                         core::array<GUIInventoryMenu::DrawSpec> &draw_spec,
 115                         const std::string &data,
 116                         const InventoryLocation &current_location);
 117
 118         GUIInventoryMenu(gui::IGUIEnvironment* env,
 119                         gui::IGUIElement* parent, s32 id,
 120                         IMenuManager *menumgr,
 121                         v2s16 menu_size,
 122                         InventoryManager *invmgr,
 123                         IGameDef *gamedef
 124                         );
 125         ~GUIInventoryMenu();
 126
 127         void setDrawSpec(core::array<DrawSpec> &init_draw_spec)
 128         {
 129                 m_init_draw_spec = init_draw_spec;
 130         }
 131
 132         void removeChildren();
 133         /*
 134                 Remove and re-add (or reposition) stuff
 135         */
 136         void regenerateGui(v2u32 screensize);
 137
 138         ItemSpec getItemAtPos(v2s32 p) const;
 139         void drawList(const ListDrawSpec &s, int phase);
 140         void drawSelectedItem();
 141         void drawMenu();
 142         void updateSelectedItem();
 143
 144         bool OnEvent(const SEvent& event);
 145
 146 protected:
 147         v2s32 getBasePos() const
 148         {
 149                 return padding + AbsoluteRect.UpperLeftCorner;
 150         }
 151
 152         v2s16 m_menu_size;
 153
 154         v2s32 padding;
 155         v2s32 spacing;
 156         v2s32 imgsize;
 157
 158         InventoryManager *m_invmgr;
 159         IGameDef *m_gamedef;
 160
 161         core::array<DrawSpec> m_init_draw_spec;
 162         core::array<ListDrawSpec> m_draw_spec;
 163
 164         ItemSpec *m_selected_item;
 165         u32 m_selected_amount;
 166         bool m_selected_dragging;
 167
 168         v2s32 m_pointer;
 169         gui::IGUIStaticText *m_tooltip_element;
 170 };
 171
 172 #endif
 173