init.c

Space Invaders game

#pragma hdrstop
#include "invaders.h"

void InitGame()
{
	 char buf[32];
	 int x, i;

     srand( (unsigned)time( NULL ) );

	 KillGameTimers();

	 SetWindowText(hWndMain, "Space Invaders");
	 ClearScrn();

	 sprintf(buf, "%f", (double)HiScore);
	 for (i = 0; buf[i] != '.' && i < sizeof buf; i++)
		  ;
	 buf[i] = '\0';
	 x = 64-5*strlen(buf);
	 for (i = 0; isdigit(buf[i]); i++) {
		  PaintObject(x, 1, digit[buf[i]-'0']);
		  x += 10;
	 }

	 PaintObject(36,  17, character_S);
	 PaintObject(48,  17, character_P);
	 PaintObject(60,  17, character_A);
	 PaintObject(72,  17, character_C);
	 PaintObject(84,  17, character_E);
	 PaintObject(18,  33, character_I);
	 PaintObject(30,  33, character_N);
	 PaintObject(42,  33, character_V);
	 PaintObject(54,  33, character_A);
	 PaintObject(66,  33, character_D);
	 PaintObject(78,  33, character_E);
	 PaintObject(90,  33, character_R);
	 PaintObject(102, 33, character_S);

	 StartGame = TRUE;
	 Paused = TRUE;
	 BonusLifeGiven = FALSE;
	 Score = 0;
}


void InitFrame()
{
	 int x, i;
	 char buf[16];

	 ClearScrn();
    SetGameText();

	 sprintf(buf, "%d", Frame);
	 x = (128-(68 + 8*strlen(buf)))/2;

	 if (x >= 0) {
		  PaintObject(x   ,  17, character_F);
		  PaintObject(x+12,  17, character_R);
		  PaintObject(x+24,  17, character_A);
		  PaintObject(x+36,  17, character_M);
		  PaintObject(x+48,  17, character_E);
		  for (i = 0; isdigit(buf[i]); i++)
				PaintObject(x+68+i*8, 17, digit[buf[i]-'0']);
	 }

	 for (i = 0; i < Lives; i++)
		  PaintObject(i*(Gun[0])+4, 45, Gun);

    PlayWAV(SND_FRAME);

	 GunPos = 10;
	 BulletPresent = FALSE;
	 SpaceShipPresent = FALSE;
	 Paused = FALSE;
	 Stopped = FALSE;
	 NumGremlins = 55;
	 BulletsFired = 0;
	 InitBombs();
	 InitGremlins();
	 DelayStartGame();
}


void ClearScrn()
{
	 int i, j;

	 for (i = 0; i < 128; i++)
		  for (j = 0; j < 48; j++)
				VirtScrn[i][j] = 0;

	 InvalidateRect(hWndMain, NULL, TRUE);
	 UpdateWindow(hWndMain);
}