Djinn and Tonic - Erobeats/ScreenTemplate.cpp

   1 #include "ScreenTemplate.h"
   2
   3 #include "ScreenNames.h"
   4
   5 using namespace std;
   6
   7 ScreenTemplate::ScreenTemplate()
   8 {
   9         FPSDelay = 32;
  10         alpha = 255;
  11         fadeRate = 0;
  12         std::cout << FPSDelay << "\n";
  13 }
  14
  15
  16 ScreenTemplate::~ScreenTemplate()
  17 {
  18 }
  19
  20 void ScreenTemplate::gameLoop() {
  21         chrono::milliseconds ms = chrono::duration_cast<chrono::milliseconds>(
  22                 chrono::system_clock::now().time_since_epoch());
  23
  24         running = true;
  25         long long initial = 0;
  26         long long expired = 0;
  27
  28         while (running) {
  29                 ms = chrono::duration_cast<chrono::milliseconds>(
  30                         chrono::system_clock::now().time_since_epoch());
  31                 initial = ms.count();
  32
  33                 processInput();
  34                 update();
  35                 play();
  36                 render();
  37
  38                 while (expired - initial < FPSDelay) {
  39                         ms = chrono::duration_cast<chrono::milliseconds>(
  40                                 chrono::system_clock::now().time_since_epoch());
  41                         expired = ms.count();
  42
  43                 }
  44         }
  45         close();
  46 }
  47
  48 void ScreenTemplate::processInput() {
  49         SDL_Event evnt;
  50         while (SDL_PollEvent(&evnt)) {
  51                 switch (evnt.type) {
  52                 case SDL_QUIT:
  53                         running = false;
  54                         *screen = Quit;
  55                         break;
  56                 case SDL_MOUSEMOTION:
  57                         SDL_GetMouseState(&x, &y);
  58                         break;
  59                 case SDL_MOUSEBUTTONDOWN:
  60                         mouseClicked = true;
  61                         if (evnt.button.button == SDL_BUTTON_LEFT) {
  62                                 mouseClickedL = true;
  63                                 //std::cout << "L\n";
  64                         }
  65                         else {
  66                                 mouseClickedR = true;
  67                         }
  68                         break;
  69
  70                 case SDL_MOUSEBUTTONUP:
  71                         mouseClicked = false;
  72                         mouseClickedL = false;
  73                         mouseClickedR = false;
  74                         break;
  75                 }
  76         }
  77 }
  78 bool ScreenTemplate::fadeIn(double durration, SDL_Texture* fadeTexture) {
  79         bool done;
  80         if (alpha < 255) {
  81                 if (fadeRate == 0) fadeRate = 255 / (durration / (1 / FPSDelay));
  82                 alpha += fadeRate;
  83                 SDL_SetTextureAlphaMod(fadeTexture, alpha);
  84                 done = false;
  85         }
  86         else {
  87                 fadeRate = 0;
  88                 done = true;
  89         }
  90         return done;
  91 }
  92
  93 bool ScreenTemplate::fadeOut(double durration, SDL_Texture* fadeTexture) {
  94         bool done;
  95         if (alpha > 0) {
  96                 if (fadeRate == 0) fadeRate = 255 / (durration / (1 / FPSDelay));
  97                 alpha -= fadeRate;
  98                 SDL_SetTextureAlphaMod(fadeTexture, alpha);
  99                 done = false;
 100         }
 101         else {
 102                 fadeRate = 0;
 103                 done = true;
 104         }
 105         return done;
 106 }
 107
 108 //fadeOutDurration = milliseconds
 109 void ScreenTemplate::fadeOutMusic(int fadeOutDuration) {
 110         rsc->bptr->fadeOutBGM(fadeOutDuration);
 111         int fadeInDuration;
 112 }
 113
 114 void ScreenTemplate::update() {
 115 }
 116 void ScreenTemplate::play() {
 117 }
 118 void ScreenTemplate::render() {
 119 }
 120 void ScreenTemplate::close(){
 121 }