#include <pspdisplay.h>
#include <pspctrl.h> // Allows us to read input from the PSP's keys
#include <pspkernel.h>
#include <pspdisplay.h>
#include <pspdebug.h>
#include <pspgu.h> 
#include <png.h> // <Manipulate the PNG Image files
#include <stdio.h> // Has some C functions (sprintf() to parse strings)
#include <graphics.h>

#define RGB(r, g, b) ((r)|((g)<<8)|((b)<<16))
#define printf pspDebugScreenPrintf
#define MAX(X, Y) ((X) > (Y) ? (X) : (Y)) // Returns X if greater than Y, or returns Y if less

PSP_MODULE_INFO("Image Displayer", 0, 1, 1);

/* Exit callback */
int exit_callback(int arg1, int arg2, void *common) {
          sceKernelExitGame();
          return 0;
}

/* Callback thread */
int CallbackThread(SceSize args, void *argp) {
          int cbid;

          cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
          sceKernelRegisterExitCallback(cbid);

          sceKernelSleepThreadCB();

          return 0;
}

/* Sets up the callback thread and returns its thread id */
int SetupCallbacks(void) {
          int thid = 0;

          thid = sceKernelCreateThread("update_thread", CallbackThread, 0x11, 0xFA0, 0, 0);
          if(thid >= 0) {
                    sceKernelStartThread(thid, 0, 0);
          }

          return thid;
}
          
struct object {
int x;
int y;
int jumpspeed;
int state; // 0 = ground, 1 = jumping, 2 = falling   
int gravity;     
};


int main() {
    
    SceCtrlData pad;
    struct object box;
    box.x = 50;
    box.y = 230;
    box.state=0;
    box.jumpspeed=10;
    box.gravity=230;
    char jumpsped[100];
    char gravity_ch[100];

    
    


       //char buffer[200]; // Block of memory of 200 variables for a string (maximum length it can be)
       Image* ourImage;
       
       SetupCallbacks();
       pspDebugScreenInit();
       initGraphics();
       
       
       //sprintf(buffer, "ourImage.png");
       ourImage = loadImage("ourImage.png");
       if(ourImage)
       {
      while(1)
    {
    sceCtrlPeekBufferPositive(&pad, 1); // Find out what the state of the control pad is
    // Change the position of the box
    if(pad.Buttons & PSP_CTRL_LEFT)
    {
    if(box.x>0)
    {box.x=box.x-3;}
}
    else if(pad.Buttons & PSP_CTRL_RIGHT)
    {
    if(box.x<480-32)
    {box.x=box.x+3;}
}

  if((pad.Buttons & PSP_CTRL_CROSS) && (box.state==0))
 {box.state=1; box.jumpspeed=0;}
 
if(box.state==1 && box.jumpspeed<3.5)
{ box.y=box.y-0.8; 
box.jumpspeed+=0.3;}

if (box.state==1 && box.jumpspeed>3.5)
{box.y=box.y-0.3;
//new line here to keep the jumpspeed increasing
box.jumpspeed+=0.3;}

if (box.state==1 && box.jumpspeed>=5);
{ 
box.state=2; 
} 
 
 if (box.state==2)
 {
  box.jumpspeed=5;
   box.y+=0.8;}
 
 if (box.state==2 & box.y==230)
 {box.y=230; box.state=0; 
 box.jumpspeed=0;}

 
 

 
 
    // Wait for the end of the cycle
    sceDisplayWaitVblankStart();

                   
                   fillScreenRect(RGB(70, 130, 150), 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
                   blitAlphaImageToScreen(0 ,0 ,32 , 32, ourImage, box.x, box.y);
                   printTextScreen(70,70,"Hello",255);
                   sprintf(jumpsped, "Jumpspeed: %d ",box.jumpspeed);
                   sprintf(gravity_ch, "Gravity: %d ",box.gravity);
                   printTextScreen(0,0,jumpsped ,255);
                   printTextScreen(0,0, gravity_ch ,255);
                   flipScreen(); // Just updates the screen
                                    }
                                    }
                                    
 
    
    sceKernelSleepThread(); // Wait for home
    return 0;
}