src/battle/states/SelectItem.cpp

   1 /*
   2  * SelectItem.cpp
   3  *
   4  *  Created on: Aug 9, 2012
   5  *      Author: holy
   6  */
   7
   8 #include "SelectItem.h"
   9
  10 #include "SelectAttackType.h"
  11 #include "SelectTarget.h"
  12 #include "../BattleState.h"
  13 #include "../../app/Application.h"
  14 #include "../../app/Input.h"
  15 #include "../../common/Item.h"
  16 #include "../../geometry/Point.h"
  17 #include "../../geometry/operators.h"
  18 #include "../../graphics/Frame.h"
  19
  20 using app::Application;
  21 using app::Input;
  22 using common::Item;
  23 using geometry::Point;
  24 using geometry::Vector;
  25 using graphics::Frame;
  26
  27 namespace battle {
  28
  29 void SelectItem::EnterState(Application &c, SDL_Surface *screen) {
  30         ctrl = &c;
  31 }
  32
  33 void SelectItem::ExitState(Application &c, SDL_Surface *screen) {
  34         ctrl = 0;
  35 }
  36
  37 void SelectItem::ResumeState(Application &ctrl, SDL_Surface *screen) {
  38         if (battle->ActiveHeroAttackChoice().Selection().HasSelected()) {
  39                 battle->ActiveHeroAttackChoice().SetType(AttackChoice::ITEM);
  40                 battle->ActiveHeroAttackChoice().SetItem(battle->GetItemMenu().Selected());
  41                 ctrl.PopState();
  42         }
  43 }
  44
  45 void SelectItem::PauseState(Application &ctrl, SDL_Surface *screen) {
  46
  47 }
  48
  49
  50 void SelectItem::Resize(int width, int height) {
  51
  52 }
  53
  54
  55 void SelectItem::HandleEvents(const Input &input) {
  56         if (input.JustPressed(Input::ACTION_A)) {
  57                 if (battle->GetItemMenu().SelectedIsEnabled()) {
  58                         const Item *item(battle->GetItemMenu().Selected());
  59                         battle->ActiveHeroAttackChoice().Selection().Reset();
  60                         if (item->GetTargetingMode().TargetsAlly()) {
  61                                 battle->ActiveHeroAttackChoice().Selection().SelectHeroes();
  62                         } else {
  63                                 battle->ActiveHeroAttackChoice().Selection().SelectEnemies();
  64                         }
  65                         if (item->GetTargetingMode().TargetsAll()) {
  66                                 battle->ActiveHeroAttackChoice().SetType(AttackChoice::ITEM);
  67                                 // TODO: remove item from inventory
  68                                 battle->ActiveHeroAttackChoice().SetItem(item);
  69                                 battle->NextHero();
  70                                 ctrl->PopState();
  71                         } else {
  72                                 if (item->GetTargetingMode().TargetsSingle()) {
  73                                         battle->ActiveHeroAttackChoice().Selection().SetSingle();
  74                                 } else {
  75                                         battle->ActiveHeroAttackChoice().Selection().SetMultiple();
  76                                 }
  77                                 ctrl->PushState(new SelectTarget(battle, parent, &battle->ActiveHeroAttackChoice().Selection(), battle->Res().itemTargetCursor));
  78                         }
  79                 }
  80         }
  81         if (input.JustPressed(Input::ACTION_B)) {
  82                 ctrl->PopState(); // return control to parent
  83         }
  84         if (input.JustPressed(Input::PAD_UP)) {
  85                 battle->GetItemMenu().PreviousRow();
  86         }
  87         if (input.JustPressed(Input::PAD_RIGHT)) {
  88                 battle->GetItemMenu().NextItem();
  89         }
  90         if (input.JustPressed(Input::PAD_DOWN)) {
  91                 battle->GetItemMenu().NextRow();
  92         }
  93         if (input.JustPressed(Input::PAD_LEFT)) {
  94                 battle->GetItemMenu().PreviousItem();
  95         }
  96 }
  97
  98 void SelectItem::UpdateWorld(float deltaT) {
  99
 100 }
 101
 102 void SelectItem::Render(SDL_Surface *screen) {
 103         parent->Render(screen);
 104         Vector<int> offset(battle->CalculateScreenOffset(screen));
 105         RenderFrame(screen, offset);
 106         RenderHeadline(screen, offset);
 107         RenderMenu(screen, offset);
 108 }
 109
 110 void SelectItem::RenderFrame(SDL_Surface *screen, const Vector<int> &offset) {
 111         const Frame *frame(battle->Res().selectFrame);
 112         Point<int> position(frame->BorderWidth(), frame->BorderHeight());
 113         int width(battle->BackgroundWidth() - 2 * frame->BorderWidth());
 114         int height(battle->Res().normalFont->CharHeight() * 13);
 115         frame->Draw(screen, position + offset, width, height);
 116 }
 117
 118 void SelectItem::RenderHeadline(SDL_Surface *screen, const Vector<int> &offset) {
 119         const Resources &res(battle->Res());
 120         Point<int> position(
 121                         2 * res.selectFrame->BorderWidth() + res.normalFont->CharWidth(),
 122                         2 * res.selectFrame->BorderHeight());
 123         res.normalFont->DrawString(res.itemMenuHeadline, screen, position + offset);
 124 }
 125
 126 void SelectItem::RenderMenu(SDL_Surface *screen, const Vector<int> &offset) {
 127         const Resources &res(battle->Res());
 128         Point<int> position(
 129                         2 * res.selectFrame->BorderWidth() + res.normalFont->CharWidth(),
 130                         2 * res.selectFrame->BorderHeight() + 2 * res.normalFont->CharHeight());
 131         battle->GetItemMenu().Draw(screen, position + offset);
 132 }
 133
 134 }