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