src/battle/states/SelectTarget.cpp

   1 /*
   2  * SelectTarget.cpp
   3  *
   4  *  Created on: Aug 9, 2012
   5  *      Author: holy
   6  */
   7
   8 #include "SelectTarget.h"
   9
  10 #include "SelectAttackType.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 geometry::Vector;
  18 using std::vector;
  19
  20 namespace battle {
  21
  22 void SelectTarget::EnterState(Application &c, SDL_Surface *screen) {
  23         ctrl = &c;
  24 }
  25
  26 void SelectTarget::ExitState(Application &c, SDL_Surface *screen) {
  27         ctrl = 0;
  28 }
  29
  30 void SelectTarget::ResumeState(Application &ctrl, SDL_Surface *screen) {
  31
  32 }
  33
  34 void SelectTarget::PauseState(Application &ctrl, SDL_Surface *screen) {
  35
  36 }
  37
  38
  39 void SelectTarget::Resize(int width, int height) {
  40
  41 }
  42
  43
  44 void SelectTarget::HandleEvents(const Input &input) {
  45         if (input.JustPressed(Input::ACTION_A)) {
  46                 if (selection->CurrentIsSelected()) {
  47                         ctrl->PopState(); // return control to parent
  48                 } else {
  49                         selection->Select();
  50                         if (selection->SelectSingle()) {
  51                                 ctrl->PopState(); // return control to parent
  52                         }
  53                 }
  54         }
  55         if (input.JustPressed(Input::ACTION_B)) {
  56                 if (selection->CurrentIsSelected()) {
  57                         selection->Unselect();
  58                 } else {
  59                         selection->UnselectAll();
  60                         ctrl->PopState(); // return control to parent
  61                 }
  62         }
  63
  64         if (input.JustPressed(Input::PAD_UP)) {
  65                 selection->MoveUp();
  66         }
  67         if (input.JustPressed(Input::PAD_RIGHT)) {
  68                 selection->MoveRight();
  69         }
  70         if (input.JustPressed(Input::PAD_DOWN)) {
  71                 selection->MoveDown();
  72         }
  73         if (input.JustPressed(Input::PAD_LEFT)) {
  74                 selection->MoveLeft();
  75         }
  76 }
  77
  78 void SelectTarget::UpdateWorld(float deltaT) {
  79
  80 }
  81
  82 void SelectTarget::Render(SDL_Surface *screen) {
  83         Vector<int> offset(battle->CalculateScreenOffset(screen));
  84         parent->Render(screen);
  85         RenderCursors(screen, offset);
  86 }
  87
  88 void SelectTarget::RenderCursors(SDL_Surface *screen, const geometry::Vector<int> &offset) {
  89         // TODO: this should be related to the enemy's width
  90         Vector<int> cursorOffset(cursorIcon->Width() / -2, cursorIcon->Height());
  91         // offset the indicator by 1/8th to the right and top
  92         Vector<int> indicatorOffset(cursorOffset + Vector<int>(cursorIcon->Width() / 8, cursorIcon->Height() / -8));
  93         vector<Vector<int> > positions;
  94         if (selection->TargetsMonsters()) {
  95                 for (int i(0), end(battle->MaxMonsters()); i < end; ++i) {
  96                         positions.push_back(battle->MonsterAt(i).Position());
  97                 }
  98         } else {
  99                 for (int i(0), end(battle->NumHeroes()); i < end; ++i) {
 100                         positions.push_back(battle->HeroTagPositionAt(i) + battle->HeroTagAt(i).HeroOffset());
 101                 }
 102         }
 103         if (flipFlop) {
 104                 for (vector<Vector<int> >::size_type i(0); i < positions.size(); ++i) {
 105                         if (selection->IsSelected(i)) {
 106                                 cursorIcon->DrawTopRight(screen, positions[i] + indicatorOffset + offset);
 107                         }
 108                 }
 109         }
 110         flipFlop = !flipFlop;
 111         cursorIcon->DrawTopRight(screen, positions[selection->Current()] + offset + cursorOffset);
 112 }
 113
 114 }