src/menu/InventoryMenu.cpp

   1 #include "InventoryMenu.h"
   2
   3 #include "PartyMenu.h"
   4 #include "Resources.h"
   5 #include "../app/Input.h"
   6 #include "../common/GameConfig.h"
   7 #include "../common/GameState.h"
   8 #include "../common/Inventory.h"
   9 #include "../common/Item.h"
  10 #include "../graphics/Font.h"
  11 #include "../graphics/Frame.h"
  12
  13 using app::Input;
  14 using common::Inventory;
  15 using common::Item;
  16 using geometry::Vector;
  17 using graphics::Font;
  18 using graphics::Frame;
  19 using std::swap;
  20
  21 namespace menu {
  22
  23 InventoryMenu::InventoryMenu(PartyMenu *parent)
  24 : parent(parent)
  25 , menu(*parent->Res().itemMenuProperties)
  26 , itemMenu(*parent->Res().inventoryMenuProperties) {
  27         menu.Add(parent->Res().itemMenuUseText, CHOICE_USE);
  28         menu.Add(parent->Res().itemMenuSortText, CHOICE_SORT);
  29         menu.Add(parent->Res().itemMenuDropText, CHOICE_DROP);
  30 }
  31
  32
  33 void InventoryMenu::OnEnterState(SDL_Surface *) {
  34         menu.SetSelected();
  35         LoadInventory();
  36 }
  37
  38 void InventoryMenu::LoadInventory() {
  39         const Inventory &inv(parent->Game().state->inventory);
  40         itemMenu.Clear();
  41         itemMenu.Reserve(inv.MaxItems());
  42         for (int i(0); i < inv.MaxItems(); ++i) {
  43                 const Item *item(inv.ItemAt(i));
  44                 if (item) {
  45                         itemMenu.Add(item->Name(), item, item->CanUseOnStatusScreen(), item->MenuIcon(), inv.ItemCountAt(i));
  46                 } else {
  47                         itemMenu.AddEmptyEntry();
  48                 }
  49         }
  50 }
  51
  52 void InventoryMenu::OnExitState(SDL_Surface *) {
  53
  54 }
  55
  56 void InventoryMenu::OnResumeState(SDL_Surface *) {
  57
  58 }
  59
  60 void InventoryMenu::OnPauseState(SDL_Surface *) {
  61
  62 }
  63
  64
  65 void InventoryMenu::OnResize(int width, int height) {
  66
  67 }
  68
  69
  70 void InventoryMenu::HandleEvents(const Input &input) {
  71         if (menu.IsActive()) {
  72                 if (input.JustPressed(Input::PAD_LEFT)) {
  73                         menu.PreviousItem();
  74                 }
  75                 if (input.JustPressed(Input::PAD_RIGHT)) {
  76                         menu.NextItem();
  77                 }
  78         } else {
  79                 if (input.JustPressed(Input::PAD_UP)) {
  80                         itemMenu.PreviousItem();
  81                 }
  82                 if (input.JustPressed(Input::PAD_DOWN)) {
  83                         itemMenu.NextItem();
  84                 }
  85         }
  86
  87         if (input.JustPressed(Input::ACTION_A)) {
  88                 if (menu.IsActive()) {
  89                         if (menu.Selected() == CHOICE_SORT) {
  90                                 parent->Game().state->inventory.Sort();
  91                                 LoadInventory();
  92                         } else {
  93                                 menu.SetSelected();
  94                                 itemMenu.SetActive();
  95                         }
  96                 } else if (itemMenu.IsActive()) {
  97                         itemMenu.SetDualSelection();
  98                 } else if (itemMenu.SelectedIndex() == itemMenu.SecondaryIndex()) {
  99                         switch (menu.Selected()) {
 100                                 case CHOICE_USE:
 101                                         if (itemMenu.Selected()->CanUseOnStatusScreen()) {
 102                                                 // TODO: implement item use
 103                                         }
 104                                         itemMenu.SetActive();
 105                                         break;
 106                                 case CHOICE_SORT:
 107                                         // invalid state, recover
 108                                         menu.SetActive();
 109                                         itemMenu.SetInactive();
 110                                         break;
 111                                 case CHOICE_DROP:
 112                                         if (itemMenu.Selected()->CanDrop()) {
 113                                                 parent->Game().state->inventory.RemoveAll(itemMenu.Selected());
 114                                                 itemMenu.ClearEntry(itemMenu.SelectedIndex());
 115                                         }
 116                                         itemMenu.SetActive();
 117                                         break;
 118                         }
 119                 } else {
 120                         parent->Game().state->inventory.SwapEntriesAt(
 121                                         itemMenu.SelectedIndex(),
 122                                         itemMenu.SecondaryIndex());
 123                         itemMenu.SwapSelected();
 124                         itemMenu.SetActive();
 125                 }
 126         }
 127         if (input.JustPressed(Input::ACTION_B)) {
 128                 if (menu.IsActive()) {
 129                         Ctrl().PopState();
 130                 } else if (itemMenu.IsActive()) {
 131                         menu.SetActive();
 132                         itemMenu.SetInactive();
 133                 } else {
 134                         itemMenu.SetActive();
 135                 }
 136         }
 137 }
 138
 139 void InventoryMenu::UpdateWorld(float deltaT) {
 140
 141 }
 142
 143
 144 void InventoryMenu::Render(SDL_Surface *screen) {
 145         const Font &font(*parent->Res().normalFont);
 146         Vector<int> offset((screen->w - Width()) / 2, (screen->h - Height()) / 2);
 147         Vector<int> menuOffset(font.CharWidth(), 13 * font.CharHeight() + font.CharHeight() / 8);
 148         Vector<int> inventoryOffset(font.CharWidth(), 16 * font.CharHeight() + font.CharHeight() / 8);
 149
 150         parent->RenderBackground(screen);
 151         parent->RenderHeros(screen, offset);
 152         RenderMenu(screen, menuOffset + offset);
 153         RenderInventory(screen, inventoryOffset + offset);
 154 }
 155
 156 int InventoryMenu::Width() const {
 157         return parent->Width();
 158 }
 159
 160 int InventoryMenu::Height() const {
 161         return parent->Height();
 162 }
 163
 164 void InventoryMenu::RenderMenu(SDL_Surface *screen, const Vector<int> &offset) const {
 165         const Font &font(*parent->Res().normalFont);
 166         const Frame &frame(*parent->Res().statusFrame);
 167
 168         const Vector<int> labelOffset(2 * font.CharWidth(), font.CharHeight());
 169         const Vector<int> menuFrameOffset(offset.X() + 8 * font.CharWidth(), offset.Y());
 170         const Vector<int> menuOffset(menuFrameOffset.X() + 3 * font.CharWidth(), menuFrameOffset.Y() + font.CharHeight());
 171
 172         frame.Draw(screen, offset, 8 * font.CharWidth(), 3 * font.CharHeight());
 173         font.DrawString(parent->Res().mainMenuItemText, screen, labelOffset + offset);
 174         frame.Draw(screen, menuFrameOffset, 22 * font.CharWidth(), 3 * font.CharHeight());
 175         menu.Draw(screen, menuOffset);
 176 }
 177
 178 void InventoryMenu::RenderInventory(SDL_Surface *screen, const Vector<int> &offset) const {
 179         const Font &font(*parent->Res().normalFont);
 180         const Frame &frame(*parent->Res().statusFrame);
 181         const Vector<int> menuOffset(3 * font.CharWidth(), font.CharHeight() + font.CharHeight() / 4);
 182
 183         frame.Draw(screen, offset, 30 * font.CharWidth(), 11 * font.CharHeight());
 184         itemMenu.Draw(screen, offset + menuOffset);
 185 }
 186
 187 }