// Tank War Beta v0.1
// Created by Lars Knaup
// on 19.02.2011
// sprites by Timo Keim

#include <oslib/oslib.h>

#define HSIZE 480
#define VSIZE 272

PSP_MODULE_INFO("TankWar", 0, 1, 1);
PSP_MAIN_THREAD_ATTR(THREAD_ATTR_USER | THREAD_ATTR_VFPU);

OSL_IMAGE* panzer;
OSL_IMAGE* background;

int positionx = HSIZE / 2;
int positiony = VSIZE / 2;



// Funktion: ReadKeys
// Aufgabe: Reagieren auf Tasten
// L und R: Rotieren
// Analog Stick: Fahren
// X: Schießen
void ReadKeys()
{
    oslReadKeys();

    // Bewegung
    if ((osl_keys->held.right) && (positionx < 450)) positionx +=1;
    if ((osl_keys->held.left) && (positionx > 0)) positionx -=1;
    if ((osl_keys->held.down) && (positiony < 242)) positiony += 1;
    if ((osl_keys->held.up) && (positiony > 0)) positiony -= 1;

    // Rotation
    if (osl_keys->held.L) panzer->angle -= 2;
    if (osl_keys->held.R) panzer->angle += 2;

    int sperre = 0;

    if (osl_keys->held.cross && sperre == 0) {
        panzer->angle -= 90;
        sperre = 1;
    }

if (!osl_keys->held.cross) sperre = 0;

}


int main (int argc, char* argv[])
{
    oslInit(0);
    oslInitGfx(OSL_PF_8888, 1);
    oslInitConsole();

    panzer = oslLoadImageFile("tank.png", OSL_IN_VRAM, OSL_PF_5551);
    background = oslLoadImageFile("bg.png", OSL_IN_VRAM, OSL_PF_5551);

    if (!background) oslDebug("konnte bg.png nicht laden");
    if (!panzer) oslDebug("konnte tank.png nicht laden");
    panzer->centerX = panzer->sizeX / 2;
    panzer->centerY = panzer->sizeY / 2;

    while(!osl_quit)
    {
        ReadKeys();
        oslStartDrawing();
        oslClearScreen(RGB(0,0,0));

        oslDrawImage(background);
        oslDrawImageXY(panzer, positionx, positiony);

        oslEndDrawing();
        oslSyncFrame();
    }

    oslEndGfx();
    oslQuit();

    return 0;
}