src/battle/states/SwapHeroes.cpp

   1 /*
   2  * SwapHeroes.cpp
   3  *
   4  *  Created on: Aug 10, 2012
   5  *      Author: holy
   6  */
   7
   8 #include "SwapHeroes.h"
   9
  10 #include "SelectMoveAction.h"
  11 #include "../BattleState.h"
  12 #include "../../app/Application.h"
  13 #include "../../app/Input.h"
  14 #include "../../math/Vector.h"
  15
  16 using app::Application;
  17 using app::Input;
  18 using math::Vector;
  19 using std::vector;
  20
  21 namespace battle {
  22
  23 void SwapHeroes::OnEnterState(SDL_Surface *screen) {
  24
  25 }
  26
  27 void SwapHeroes::OnExitState(SDL_Surface *screen) {
  28
  29 }
  30
  31 void SwapHeroes::OnResumeState(SDL_Surface *screen) {
  32
  33 }
  34
  35 void SwapHeroes::OnPauseState(SDL_Surface *screen) {
  36
  37 }
  38
  39
  40 void SwapHeroes::OnResize(int width, int height) {
  41
  42 }
  43
  44
  45 void SwapHeroes::HandleEvents(const Input &input) {
  46         if (input.JustPressed(Input::ACTION_A)) {
  47                 if (selected != -1 && cursor != selected) {
  48                         battle->SwapHeroes(cursor, selected);
  49                         selected = -1;
  50                 } else {
  51                         selected = cursor;
  52                 }
  53         }
  54         if (input.JustPressed(Input::ACTION_B)) {
  55                 if (cursor == selected) {
  56                         selected = -1;
  57                 } else {
  58                         Ctrl().PopState();
  59                 }
  60         }
  61
  62         if (input.JustPressed(Input::PAD_UP)) {
  63                 MoveUp();
  64         }
  65         if (input.JustPressed(Input::PAD_RIGHT)) {
  66                 MoveRight();
  67         }
  68         if (input.JustPressed(Input::PAD_DOWN)) {
  69                 MoveDown();
  70         }
  71         if (input.JustPressed(Input::PAD_LEFT)) {
  72                 MoveLeft();
  73         }
  74 }
  75
  76
  77 void SwapHeroes::MoveUp() {
  78         if (cursor < 2) {
  79                 if (battle->HeroPositionOccupied(cursor + 2)) {
  80                         cursor += 2;
  81                 }
  82         } else {
  83                 cursor -= 2;
  84         }
  85 }
  86
  87 void SwapHeroes::MoveRight() {
  88         if (cursor < 3 && battle->HeroPositionOccupied(cursor + 1)) {
  89                 ++cursor;
  90         } else {
  91                 cursor = 0;
  92         }
  93 }
  94
  95 void SwapHeroes::MoveDown() {
  96         if (cursor < 2) {
  97                 if (battle->HeroPositionOccupied(cursor + 2)) {
  98                         cursor += 2;
  99                 }
 100         } else {
 101                 cursor -= 2;
 102         }
 103 }
 104
 105 void SwapHeroes::MoveLeft() {
 106         if (cursor > 0) {
 107                 --cursor;
 108         } else {
 109                 cursor = battle->NumHeroes();
 110         }
 111 }
 112
 113
 114 void SwapHeroes::UpdateWorld(Uint32 deltaT) {
 115
 116 }
 117
 118 void SwapHeroes::Render(SDL_Surface *screen) {
 119         Vector<int> offset(battle->CalculateScreenOffset(screen));
 120         parent->Render(screen);
 121         RenderCursors(screen, offset);
 122 }
 123
 124 void SwapHeroes::RenderCursors(SDL_Surface *screen, const math::Vector<int> &offset) {
 125         // offset the cursor by 1/8th to the left and bottom
 126         Vector<int> cursorOffset(battle->Res().swapCursor->Width() / -8, battle->Res().swapCursor->Height() / 8);
 127         Vector<int> indicatorOffset(0, 0);
 128         vector<Vector<int> > positions;
 129         for (int i(0), end(battle->NumHeroes()); i < end; ++i) {
 130                 Vector<int> positionCorrection(battle->Res().swapCursor->Width() / 2, battle->HeroTagAt(i).HeroSprite()->Height() - battle->Res().swapCursor->Height() / 2);
 131                 // indicator offsets are inverted for heroes
 132                 positionCorrection -= cursorOffset;
 133                 positions.push_back(battle->HeroTagPositionAt(i) + battle->HeroTagAt(i).HeroOffset() + positionCorrection);
 134         }
 135         if (flipFlop) {
 136                 for (vector<Vector<int> >::size_type i(0); i < positions.size(); ++i) {
 137                         if (selected == int(i)) {
 138                                 battle->Res().swapCursor->DrawTopRight(screen, positions[i] + offset);
 139                         }
 140                 }
 141         }
 142         flipFlop = !flipFlop;
 143         battle->Res().swapCursor->DrawTopRight(screen, positions[cursor] + offset + cursorOffset);
 144 }
 145
 146 }