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->ActiveHero().GetAttackChoice().Selection().HasSelected()) {
  39                 battle->ActiveHero().GetAttackChoice().SetType(AttackChoice::ITEM);
  40                 battle->ActiveHero().GetAttackChoice().SetItem(battle->ItemMenu().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->ItemMenu().SelectedIsEnabled()) {
  58                         AttackChoice &ac(battle->ActiveHero().GetAttackChoice());
  59                         const Item *item(battle->ItemMenu().Selected());
  60                         ac.Selection().Reset();
  61                         if (item->GetTargetingMode().TargetsAlly()) {
  62                                 ac.Selection().SelectHeroes();
  63                         } else {
  64                                 ac.Selection().SelectEnemies();
  65                         }
  66                         if (item->GetTargetingMode().TargetsAll()) {
  67                                 ac.SetType(AttackChoice::ITEM);
  68                                 // TODO: remove item from inventory
  69                                 ac.SetItem(item);
  70                                 battle->NextHero();
  71                                 ctrl->PopState();
  72                         } else {
  73                                 if (item->GetTargetingMode().TargetsSingle()) {
  74                                         ac.Selection().SetSingle();
  75                                 } else {
  76                                         ac.Selection().SetMultiple();
  77                                 }
  78                                 ctrl->PushState(new SelectTarget(battle, parent, &ac.Selection(), battle->Res().itemTargetCursor));
  79                         }
  80                 }
  81         }
  82         if (input.JustPressed(Input::ACTION_B)) {
  83                 ctrl->PopState(); // return control to parent
  84         }
  85         if (input.JustPressed(Input::PAD_UP)) {
  86                 battle->ItemMenu().PreviousRow();
  87         }
  88         if (input.JustPressed(Input::PAD_RIGHT)) {
  89                 battle->ItemMenu().NextItem();
  90         }
  91         if (input.JustPressed(Input::PAD_DOWN)) {
  92                 battle->ItemMenu().NextRow();
  93         }
  94         if (input.JustPressed(Input::PAD_LEFT)) {
  95                 battle->ItemMenu().PreviousItem();
  96         }
  97 }
  98
  99 void SelectItem::UpdateWorld(float deltaT) {
 100
 101 }
 102
 103 void SelectItem::Render(SDL_Surface *screen) {
 104         parent->Render(screen);
 105         Vector<int> offset(battle->CalculateScreenOffset(screen));
 106         RenderFrame(screen, offset);
 107         RenderHeadline(screen, offset);
 108         RenderMenu(screen, offset);
 109 }
 110
 111 void SelectItem::RenderFrame(SDL_Surface *screen, const Vector<int> &offset) {
 112         const Frame *frame(battle->Res().selectFrame);
 113         Point<int> position(frame->BorderWidth(), frame->BorderHeight());
 114         int width(battle->Width() - 2 * frame->BorderWidth());
 115         int height(battle->Res().normalFont->CharHeight() * 13);
 116         frame->Draw(screen, position + offset, width, height);
 117 }
 118
 119 void SelectItem::RenderHeadline(SDL_Surface *screen, const Vector<int> &offset) {
 120         const Resources &res(battle->Res());
 121         Point<int> position(
 122                         2 * res.selectFrame->BorderWidth() + res.normalFont->CharWidth(),
 123                         2 * res.selectFrame->BorderHeight());
 124         res.normalFont->DrawString(res.itemMenuHeadline, screen, position + offset);
 125 }
 126
 127 void SelectItem::RenderMenu(SDL_Surface *screen, const Vector<int> &offset) {
 128         const Resources &res(battle->Res());
 129         Point<int> position(
 130                         2 * res.selectFrame->BorderWidth() + res.normalFont->CharWidth(),
 131                         2 * res.selectFrame->BorderHeight() + 2 * res.normalFont->CharHeight());
 132         battle->ItemMenu().Draw(screen, position + offset);
 133 }
 134
 135 }