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 "../../geometry/operators.h"
  15 #include "../../geometry/Point.h"
  16
  17 using app::Application;
  18 using app::Input;
  19 using geometry::Point;
  20 using geometry::Vector;
  21 using std::vector;
  22
  23 namespace battle {
  24
  25 void SwapHeroes::EnterState(Application &c, SDL_Surface *screen) {
  26         ctrl = &c;
  27 }
  28
  29 void SwapHeroes::ExitState(Application &c, SDL_Surface *screen) {
  30         ctrl = 0;
  31 }
  32
  33 void SwapHeroes::ResumeState(Application &ctrl, SDL_Surface *screen) {
  34
  35 }
  36
  37 void SwapHeroes::PauseState(Application &ctrl, SDL_Surface *screen) {
  38
  39 }
  40
  41
  42 void SwapHeroes::Resize(int width, int height) {
  43
  44 }
  45
  46
  47 void SwapHeroes::HandleEvents(const Input &input) {
  48         if (input.JustPressed(Input::ACTION_A)) {
  49                 if (selected != -1 && cursor != selected) {
  50                         battle->SwapHeroes(cursor, selected);
  51                         selected = -1;
  52                 } else {
  53                         selected = cursor;
  54                 }
  55         }
  56         if (input.JustPressed(Input::ACTION_B)) {
  57                 if (cursor == selected) {
  58                         selected = -1;
  59                 } else {
  60                         ctrl->PopState();
  61                 }
  62         }
  63
  64         if (input.JustPressed(Input::PAD_UP)) {
  65                 MoveUp();
  66         }
  67         if (input.JustPressed(Input::PAD_RIGHT)) {
  68                 MoveRight();
  69         }
  70         if (input.JustPressed(Input::PAD_DOWN)) {
  71                 MoveDown();
  72         }
  73         if (input.JustPressed(Input::PAD_LEFT)) {
  74                 MoveLeft();
  75         }
  76 }
  77
  78
  79 void SwapHeroes::MoveUp() {
  80         if (cursor < 2) {
  81                 if (battle->HeroPositionOccupied(cursor + 2)) {
  82                         cursor += 2;
  83                 }
  84         } else {
  85                 cursor -= 2;
  86         }
  87 }
  88
  89 void SwapHeroes::MoveRight() {
  90         if (cursor < 3 && battle->HeroPositionOccupied(cursor + 1)) {
  91                 ++cursor;
  92         } else {
  93                 cursor = 0;
  94         }
  95 }
  96
  97 void SwapHeroes::MoveDown() {
  98         if (cursor < 2) {
  99                 if (battle->HeroPositionOccupied(cursor + 2)) {
 100                         cursor += 2;
 101                 }
 102         } else {
 103                 cursor -= 2;
 104         }
 105 }
 106
 107 void SwapHeroes::MoveLeft() {
 108         if (cursor > 0) {
 109                 --cursor;
 110         } else {
 111                 cursor = battle->Heroes().size();
 112         }
 113 }
 114
 115
 116 void SwapHeroes::UpdateWorld(float deltaT) {
 117
 118 }
 119
 120 void SwapHeroes::Render(SDL_Surface *screen) {
 121         Vector<int> offset(battle->CalculateScreenOffset(screen));
 122         parent->Render(screen);
 123         RenderCursors(screen, offset);
 124 }
 125
 126 void SwapHeroes::RenderCursors(SDL_Surface *screen, const geometry::Vector<int> &offset) {
 127         // offset the cursor by 1/8th to the left and bottom
 128         Vector<int> cursorOffset(battle->Res().swapCursor->Width() / -8, battle->Res().swapCursor->Height() / 8);
 129         Vector<int> indicatorOffset(0, 0);
 130         vector<Point<int> > positions;
 131         for (vector<Hero>::size_type i(0), end(battle->Heroes().size()); i < end; ++i) {
 132                 Vector<int> positionCorrection(battle->Res().swapCursor->Width() / 2, battle->HeroTagAt(i).HeroSprite()->Height() - battle->Res().swapCursor->Height() / 2);
 133                 // indicator offsets are inverted for heroes
 134                 positionCorrection -= cursorOffset;
 135                 positions.push_back(battle->HeroTagPositionAt(i) + battle->HeroTagAt(i).HeroOffset() + positionCorrection);
 136         }
 137         if (flipFlop) {
 138                 for (vector<Point<int> >::size_type i(0); i < positions.size(); ++i) {
 139                         if (selected == int(i)) {
 140                                 battle->Res().swapCursor->DrawTopRight(screen, positions[i] + offset);
 141                         }
 142                 }
 143         }
 144         flipFlop = !flipFlop;
 145         battle->Res().swapCursor->DrawTopRight(screen, positions[cursor] + offset + cursorOffset);
 146 }
 147
 148 }