src/guiInventoryMenu.cpp

   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 #include "guiInventoryMenu.h"
  22 #include "constants.h"
  23
  24 void drawInventoryItem(gui::IGUIEnvironment* env,
  25                 InventoryItem *item, core::rect<s32> rect,
  26                 const core::rect<s32> *clip)
  27 {
  28         gui::IGUISkin* skin = env->getSkin();
  29         if (!skin)
  30                 return;
  31         video::IVideoDriver* driver = env->getVideoDriver();
  32
  33         video::ITexture *texture = NULL;
  34
  35         if(item != NULL)
  36         {
  37                 texture = item->getImage();
  38         }
  39
  40         if(texture != NULL)
  41         {
  42                 const video::SColor color(255,255,255,255);
  43                 const video::SColor colors[] = {color,color,color,color};
  44                 driver->draw2DImage(texture, rect,
  45                         core::rect<s32>(core::position2d<s32>(0,0),
  46                         core::dimension2di(texture->getOriginalSize())),
  47                         clip, colors, false);
  48         }
  49         else
  50         {
  51                 video::SColor bgcolor(128,128,128,128);
  52                 driver->draw2DRectangle(bgcolor, rect, clip);
  53         }
  54
  55         if(item != NULL)
  56         {
  57                 gui::IGUIFont *font = skin->getFont();
  58                 std::string text = item->getText();
  59                 if(font && text != "")
  60                 {
  61                         core::rect<s32> rect2(rect.UpperLeftCorner,
  62                                         (core::dimension2d<u32>(rect.getWidth(), 15)));
  63
  64                         video::SColor bgcolor(128,0,0,0);
  65                         driver->draw2DRectangle(bgcolor, rect2, clip);
  66
  67                         font->draw(text.c_str(), rect2,
  68                                         video::SColor(255,255,255,255), false, false,
  69                                         clip);
  70                 }
  71         }
  72 }
  73
  74 /*
  75         GUIInventoryMenu
  76 */
  77
  78 GUIInventoryMenu::GUIInventoryMenu(gui::IGUIEnvironment* env,
  79                 gui::IGUIElement* parent, s32 id,
  80                 Inventory *inventory,
  81                 Queue<InventoryAction*> *actions,
  82                 int *active_menu_count):
  83         GUIModalMenu(env, parent, id, active_menu_count)
  84 {
  85         m_inventory = inventory;
  86         m_selected_item = NULL;
  87         m_actions = actions;
  88
  89         /*m_selected_item = new ItemSpec;
  90         m_selected_item->listname = "main";
  91         m_selected_item->i = 3;*/
  92 }
  93
  94 GUIInventoryMenu::~GUIInventoryMenu()
  95 {
  96         if(m_selected_item)
  97                 delete m_selected_item;
  98 }
  99
 100 void GUIInventoryMenu::regenerateGui(v2u32 screensize)
 101 {
 102         padding = v2s32(24,24);
 103         spacing = v2s32(60,56);
 104         imgsize = v2s32(48,48);
 105
 106         v2s32 size(
 107                 padding.X*2+spacing.X*(8-1)+imgsize.X,
 108                 padding.Y*2+spacing.Y*(7-1)+imgsize.Y
 109         );
 110
 111         core::rect<s32> rect(
 112                         screensize.X/2 - size.X/2,
 113                         screensize.Y/2 - size.Y/2,
 114                         screensize.X/2 + size.X/2,
 115                         screensize.Y/2 + size.Y/2
 116         );
 117
 118         DesiredRect = rect;
 119         recalculateAbsolutePosition(false);
 120
 121         v2s32 basepos = getBasePos();
 122
 123         m_draw_positions.clear();
 124         m_draw_positions.push_back(ListDrawSpec("main",
 125                         basepos + v2s32(spacing.X*0, spacing.Y*3), v2s32(8, 4)));
 126         m_draw_positions.push_back(ListDrawSpec("craft",
 127                         basepos + v2s32(spacing.X*3, spacing.Y*0), v2s32(3, 3)));
 128         m_draw_positions.push_back(ListDrawSpec("craftresult",
 129                         basepos + v2s32(spacing.X*7, spacing.Y*1), v2s32(1, 1)));
 130 }
 131
 132 GUIInventoryMenu::ItemSpec GUIInventoryMenu::getItemAtPos(v2s32 p) const
 133 {
 134         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 135
 136         for(u32 i=0; i<m_draw_positions.size(); i++)
 137         {
 138                 const ListDrawSpec &s = m_draw_positions[i];
 139
 140                 for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 141                 {
 142                         s32 x = (i%s.geom.X) * spacing.X;
 143                         s32 y = (i/s.geom.X) * spacing.Y;
 144                         v2s32 p0(x,y);
 145                         core::rect<s32> rect = imgrect + s.pos + p0;
 146                         if(rect.isPointInside(p))
 147                         {
 148                                 return ItemSpec(s.listname, i);
 149                         }
 150                 }
 151         }
 152
 153         return ItemSpec("", -1);
 154 }
 155
 156 //void GUIInventoryMenu::drawList(const std::string &name, v2s32 pos, v2s32 geom)
 157 void GUIInventoryMenu::drawList(const ListDrawSpec &s)
 158 {
 159         video::IVideoDriver* driver = Environment->getVideoDriver();
 160
 161         InventoryList *ilist = m_inventory->getList(s.listname);
 162
 163         core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
 164
 165         for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
 166         {
 167                 s32 x = (i%s.geom.X) * spacing.X;
 168                 s32 y = (i/s.geom.X) * spacing.Y;
 169                 v2s32 p(x,y);
 170                 core::rect<s32> rect = imgrect + s.pos + p;
 171                 InventoryItem *item = NULL;
 172                 if(ilist)
 173                         item = ilist->getItem(i);
 174
 175                 if(m_selected_item != NULL && m_selected_item->listname == s.listname
 176                                 && m_selected_item->i == i)
 177                 {
 178                         driver->draw2DRectangle(video::SColor(255,255,0,0),
 179                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(2,2),
 180                                                         rect.LowerRightCorner + v2s32(2,2)),
 181                                                         &AbsoluteClippingRect);
 182                 }
 183                 drawInventoryItem(Environment, item,
 184                                 rect, &AbsoluteClippingRect);
 185         }
 186 }
 187
 188 void GUIInventoryMenu::drawMenu()
 189 {
 190         gui::IGUISkin* skin = Environment->getSkin();
 191         if (!skin)
 192                 return;
 193         video::IVideoDriver* driver = Environment->getVideoDriver();
 194
 195         video::SColor bgcolor(140,0,0,0);
 196         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 197
 198         /*
 199                 Draw items
 200         */
 201
 202         for(u32 i=0; i<m_draw_positions.size(); i++)
 203         {
 204                 ListDrawSpec &s = m_draw_positions[i];
 205                 drawList(s);
 206         }
 207
 208         /*
 209                 Call base class
 210         */
 211         gui::IGUIElement::draw();
 212 }
 213
 214 bool GUIInventoryMenu::OnEvent(const SEvent& event)
 215 {
 216         if(event.EventType==EET_KEY_INPUT_EVENT)
 217         {
 218                 if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
 219                 {
 220                         quitMenu();
 221                         return true;
 222                 }
 223                 if(event.KeyInput.Key==KEY_KEY_I && event.KeyInput.PressedDown)
 224                 {
 225                         quitMenu();
 226                         return true;
 227                 }
 228         }
 229         if(event.EventType==EET_MOUSE_INPUT_EVENT)
 230         {
 231                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN
 232                                 || event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
 233                 {
 234                         bool right = (event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN);
 235                         v2s32 p(event.MouseInput.X, event.MouseInput.Y);
 236                         //dstream<<"Mouse down at p=("<<p.X<<","<<p.Y<<")"<<std::endl;
 237                         ItemSpec s = getItemAtPos(p);
 238                         if(s.isValid())
 239                         {
 240                                 //dstream<<"Mouse down on "<<s.listname<<" "<<s.i<<std::endl;
 241                                 if(m_selected_item)
 242                                 {
 243                                         InventoryList *list_from =
 244                                                         m_inventory->getList(m_selected_item->listname);
 245                                         InventoryList *list_to =
 246                                                         m_inventory->getList(s.listname);
 247                                         if(list_from && list_to
 248                                                         && list_from->getItem(m_selected_item->i) != NULL)
 249                                         {
 250                                                 dstream<<"Queueing IACTION_MOVE"<<std::endl;
 251                                                 IMoveAction *a =
 252                                                         new IMoveAction();
 253                                                 a->count = right ? 1 : 0;
 254                                                 a->from_name = m_selected_item->listname;
 255                                                 a->from_i = m_selected_item->i;
 256                                                 a->to_name = s.listname;
 257                                                 a->to_i = s.i;
 258                                                 m_actions->push_back(a);
 259                                         }
 260                                         bool source_empties = false;
 261                                         if(list_from && list_from->getItem(m_selected_item->i)->getCount()==1)
 262                                                 source_empties = true;
 263                                         if(right == false || source_empties)
 264                                         {
 265                                                 delete m_selected_item;
 266                                                 m_selected_item = NULL;
 267                                         }
 268                                 }
 269                                 else
 270                                 {
 271                                         /*
 272                                                 Select if non-NULL
 273                                         */
 274                                         InventoryList *list = m_inventory->getList(s.listname);
 275                                         if(list->getItem(s.i) != NULL)
 276                                         {
 277                                                 m_selected_item = new ItemSpec(s);
 278                                         }
 279                                 }
 280                         }
 281                         else
 282                         {
 283                                 if(m_selected_item)
 284                                 {
 285                                         delete m_selected_item;
 286                                         m_selected_item = NULL;
 287                                 }
 288                         }
 289                 }
 290         }
 291         if(event.EventType==EET_GUI_EVENT)
 292         {
 293                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 294                                 && isVisible())
 295                 {
 296                         if(!canTakeFocus(event.GUIEvent.Element))
 297                         {
 298                                 dstream<<"GUIInventoryMenu: Not allowing focus change."
 299                                                 <<std::endl;
 300                                 // Returning true disables focus change
 301                                 return true;
 302                         }
 303                 }
 304                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
 305                 {
 306                         /*switch(event.GUIEvent.Caller->getID())
 307                         {
 308                         case 256: // continue
 309                                 setVisible(false);
 310                                 break;
 311                         case 257: // exit
 312                                 dev->closeDevice();
 313                                 break;
 314                         }*/
 315                 }
 316         }
 317
 318         return Parent ? Parent->OnEvent(event) : false;
 319 }
 320
 321
 322