#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 obj_state; // 0 = ground, 1 = jumping, 2 = falling       
};


int main() {
    SceCtrlData pad;
    struct object box;
    box.x = 50;
    box.y = 230;
    while(1)
    {
    if(pad.Buttons & PSP_CTRL_LEFT)
    {box.x-=4; sceCtrlPeekBufferPositive(&pad, 1);}
    else if(pad.Buttons & PSP_CTRL_RIGHT)
    {box.x+=4; sceCtrlPeekBufferPositive(&pad, 1);}


       //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)
       {
                   
                   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);
                   flipScreen(); // Just updates the screen
                                    }
                                    }
 
    
    sceKernelSleepThread(); // Wait for home
    return 0;
}