bool GameLoader::Initialise(HWND hWnd)
{
if(!SUCCEEDED(InitialiseD3D(hWnd)))
{
return false;
}
InitialiseGame();
return true;
}
int init_gl()
{
if (!glfwInit()) {
printf("glfwInit() failed\n");
return false;
}
window = glfwCreateWindow(width, height, "2dEngine", NULL, NULL);
if (!window) {
printf("glfwOpenWindow() failed\n");
return false;
}
glfwMakeContextCurrent(window);
engine = InitialiseGame();
return true;
}
//Main program loop - Run gets called until it returns false
bool Run() {
//Main loop - get keypresses and interpret them
keystate=GetRemoteKeys();
if(keystate & KEY_HOME) {
return false;
}
switch(mode) {
case 0: { //Splash screen
if (keystate & KEY_INPUT2) { //Button B
//Start game
InitialiseGame();
PlaySound(SOUND_BEEP);
}
if (keystate & KEY_INPUT1) { //Button A
//show help
ShowHelp();
PlaySound(SOUND_BEEP);
}
}
break;
case 2: { //Help - wait for 'OK' press
if (keystate & KEY_INPUT2) { //Button B
//Reset back to splash screen
ResetTimer();
mode=0;
Splash();
PlaySound(SOUND_BEEP);
}
}
break;
case 1: { //Game
if (keystate & KEY_INPUT1) { //Button A
//Reset back to splash screen
ResetTimer();
mode=0;
Splash();
}
if (keystate & KEY_RUN) { //Go button
//Fire!
PlaySound(SOUND_SHOOT);
refreshCount = 0;
int hit;
hit = LineHitsObject(cameraPos, cameraAngle);
if (hit == tankObjectIndex) {
//we hit the tank!
score += 100;
CloseGraphics();
OpenGraphics();
DrawWorld(&world, cameraPos, cameraAngle);
DrawHUD();
DrawExplosion();
DrawArrow(cameraAngle.y);
DrawRadarDots(true);
DrawRadarArm(sweepAngle * sweepStepCount++);
DrawRadarDots(false);
SetTextColor(CYAN);
DrawText(6,100,"Quit");
Show();
PlaySound(SOUND_EXPLOSION);
PlaceTank(cameraPos, cameraAngle);
}
}
//Have the movement sticks changed? This bit doesn't care about buttons
if((keystate & (KEY_RIGHT_BACK+KEY_RIGHT_FORWARD+KEY_LEFT_BACK+KEY_LEFT_FORWARD)) != (oldKeystate & (KEY_RIGHT_BACK+KEY_RIGHT_FORWARD+KEY_LEFT_BACK+KEY_LEFT_FORWARD))) {
MoveCamera(&cameraPos, &cameraAngle, baselinePos, arrowRefAngle, ReadTimer(), oldKeystate);
arrowRefAngle=cameraAngle.y;
baselinePos=cameraPos;
ResetTimer();
oldKeystate = keystate;
if (keystate==0) //we've just stopped moving
refreshCount=0;
}
if (mode==1) {
if (sweepStepCount == SWEEPSTEPS)
sweepStepCount=0;
if (--behaviourCount<0)
ChooseBehaviour();
MoveTank();
MoveCamera(&cameraPos, &cameraAngle, baselinePos, arrowRefAngle, ReadTimer(), oldKeystate);
//is it time to reset the tank model? Otherwise it gradually gets distorted
if (--resetCount<0) {
//Refresh the tank model which is prone to getting distorted
//due to cumulative inaccuracies of sin/cos approximations
Point3d angle=world.objects[tankObjectIndex].heading;
Point3d tankPos=world.objects[tankObjectIndex].centre;
world.objects[tankObjectIndex]=tank;
MoveObject(&(world.objects[tankObjectIndex]), tankPos);
RotateObjectYAxis(&(world.objects[tankObjectIndex]), angle.y);
resetCount=50;
}
//Is it time to redraw the world?
if (--refreshCount<0) {
//Seems a bit brutal to have to close graphics but it's
//the only way to clear the screen that'll let us draw
//on it properly again - ClearScreen or ClearRectangle mess up
CloseGraphics();
OpenGraphics();
DrawWorld(&world, cameraPos, cameraAngle);
DrawHUD();
refreshCount=2;
}
DrawArrow(cameraAngle.y);
DrawRadarDots(true);
DrawRadarArm(sweepAngle * sweepStepCount++);
DrawRadarDots(false);
SetTextColor(CYAN);
DrawText(6,100,"Quit");
Show();
//just in case we changed mode...
if (mode==0)
Splash();
}
}
}
Sleep(50);
return true;
}
