src/battle/states/SwapHeroes.cpp

   1 #include "SwapHeroes.h"
   2
   3 #include "SelectMoveAction.h"
   4 #include "../BattleState.h"
   5 #include "../../app/Application.h"
   6 #include "../../app/Input.h"
   7 #include "../../math/Vector.h"
   8
   9 using app::Application;
  10 using app::Input;
  11 using math::Vector;
  12 using std::vector;
  13
  14 namespace battle {
  15
  16 void SwapHeroes::OnEnterState(SDL_Surface *screen) {
  17
  18 }
  19
  20 void SwapHeroes::OnExitState(SDL_Surface *screen) {
  21
  22 }
  23
  24 void SwapHeroes::OnResumeState(SDL_Surface *screen) {
  25
  26 }
  27
  28 void SwapHeroes::OnPauseState(SDL_Surface *screen) {
  29
  30 }
  31
  32
  33 void SwapHeroes::OnResize(int width, int height) {
  34
  35 }
  36
  37
  38 void SwapHeroes::HandleEvents(const Input &input) {
  39         if (input.JustPressed(Input::ACTION_A)) {
  40                 if (selected != -1 && cursor != selected) {
  41                         battle->SwapHeroes(cursor, selected);
  42                         selected = -1;
  43                 } else {
  44                         selected = cursor;
  45                 }
  46         }
  47         if (input.JustPressed(Input::ACTION_B)) {
  48                 if (cursor == selected) {
  49                         selected = -1;
  50                 } else {
  51                         Ctrl().PopState();
  52                 }
  53         }
  54
  55         if (input.JustPressed(Input::PAD_UP)) {
  56                 MoveUp();
  57         }
  58         if (input.JustPressed(Input::PAD_RIGHT)) {
  59                 MoveRight();
  60         }
  61         if (input.JustPressed(Input::PAD_DOWN)) {
  62                 MoveDown();
  63         }
  64         if (input.JustPressed(Input::PAD_LEFT)) {
  65                 MoveLeft();
  66         }
  67 }
  68
  69
  70 void SwapHeroes::MoveUp() {
  71         if (cursor < 2) {
  72                 if (battle->HeroPositionOccupied(cursor + 2)) {
  73                         cursor += 2;
  74                 }
  75         } else {
  76                 cursor -= 2;
  77         }
  78 }
  79
  80 void SwapHeroes::MoveRight() {
  81         if (cursor < 3 && battle->HeroPositionOccupied(cursor + 1)) {
  82                 ++cursor;
  83         } else {
  84                 cursor = 0;
  85         }
  86 }
  87
  88 void SwapHeroes::MoveDown() {
  89         if (cursor < 2) {
  90                 if (battle->HeroPositionOccupied(cursor + 2)) {
  91                         cursor += 2;
  92                 }
  93         } else {
  94                 cursor -= 2;
  95         }
  96 }
  97
  98 void SwapHeroes::MoveLeft() {
  99         if (cursor > 0) {
 100                 --cursor;
 101         } else {
 102                 cursor = battle->NumHeroes();
 103         }
 104 }
 105
 106
 107 void SwapHeroes::UpdateWorld(Uint32 deltaT) {
 108
 109 }
 110
 111 void SwapHeroes::Render(SDL_Surface *screen) {
 112         Vector<int> offset(battle->CalculateScreenOffset(screen));
 113         parent->Render(screen);
 114         RenderCursors(screen, offset);
 115 }
 116
 117 void SwapHeroes::RenderCursors(SDL_Surface *screen, const math::Vector<int> &offset) {
 118         // offset the cursor by 1/8th to the left and bottom
 119         Vector<int> cursorOffset(battle->Res().swapCursor->Width() / -8, battle->Res().swapCursor->Height() / 8);
 120         Vector<int> indicatorOffset(0, 0);
 121         vector<Vector<int> > positions;
 122         for (int i(0), end(battle->NumHeroes()); i < end; ++i) {
 123                 Vector<int> positionCorrection(battle->Res().swapCursor->Width() / 2, battle->HeroTagAt(i).HeroSprite()->Height() - battle->Res().swapCursor->Height() / 2);
 124                 // indicator offsets are inverted for heroes
 125                 positionCorrection -= cursorOffset;
 126                 positions.push_back(battle->HeroTagPositionAt(i) + battle->HeroTagAt(i).HeroOffset() + positionCorrection);
 127         }
 128         if (flipFlop) {
 129                 for (vector<Vector<int> >::size_type i(0); i < positions.size(); ++i) {
 130                         if (selected == int(i)) {
 131                                 battle->Res().swapCursor->DrawTopRight(screen, positions[i] + offset);
 132                         }
 133                 }
 134         }
 135         flipFlop = !flipFlop;
 136         battle->Res().swapCursor->DrawTopRight(screen, positions[cursor] + offset + cursorOffset);
 137 }
 138
 139 }