mouse.c

C大程序 需要解压

#define MOUSE_SMALL 1
#define MOUSE_NORMAL 0

#define EXIT_X0 26
#define EXIT_Y0 165
#define EXIT_X1 93
#define EXIT_Y1 182

#define NEW_X0 26
#define NEW_Y0 89
#define NEW_X1 93
#define NEW_Y1 105

#define HISCORE_X0 26
#define HISCORE_Y0 140
#define HISCORE_X1 93
#define HISCORE_Y1 156

#define ABOUT_X0 26
#define ABOUT_Y0 114
#define ABOUT_X1 93
#define ABOUT_Y1 131

#define ABOUTUS_X 120
#define ABOUTUS_Y 0

#define GAMEOVER_X 120
#define GAMEOVER_Y 65

int mouse_visible = 0;
int mouse_smallmode = 0;

unsigned mouse_x = 0, mouse_y = 0, mouse_key = 0;
unsigned mouse_lx = 0, mouse_ly = 0;

int mouse_down = 0, mouse_up = 0, mouse_move = 0;
int mouse_left_down = 0, mouse_left_up = 0;
int mouse_right_down = 0, mouse_right_up = 0;

char far *mouse_back = NULL;
bmp_picture mouse_cur;

char mouse_backcolor;
char far *mouse_showcur_tmp;

void mouse_show(){
	union REGS r;
	struct SREGS s;

	r.x.ax = 1;
	int86x(0x33, &r, &r, &s);
	mouse_visible = 1;
}

void mouse_hide(){
	union REGS r;
	struct SREGS s;

	r.x.ax = 2;
	int86x(0x33, &r, &r, &s);
	mouse_visible = 0;
}

void mouse_setxy(unsigned x, unsigned y){
	union REGS r;
	struct SREGS s;

	r.x.ax = 4;
	r.x.cx = x;
	r.x.dx = y;
	int86x(0x33, &r, &r, &s);
	mouse_x = x;
	mouse_y = y;
	if (mouse_smallmode) mouse_x/=2;
}

void mouse_get(){
	union REGS r;
	struct SREGS s;

	r.x.ax = 3;
	int86x(0x33, &r, &r, &s);
	mouse_x = r.x.cx;
	mouse_y = r.x.dx;
	mouse_key = r.x.bx;
	if (mouse_key & 1)
		if (!mouse_left_down)
			mouse_left_down = 1;
		else;
	else
		if (mouse_left_down){
			mouse_left_up = 1;
			mouse_left_down = 0;
		}
		else
			mouse_left_up = 0;
	if (mouse_key & 2)
		if (!mouse_right_down)
			mouse_right_down = 1;
		else;
	else
		if (mouse_right_down){
			mouse_right_up = 1;
			mouse_right_down = 0;
		}
		else
			mouse_right_up = 0;
	mouse_down = mouse_left_down + mouse_right_down;
	mouse_up = mouse_left_up + mouse_right_up;
	if (mouse_smallmode)
		if (mouse_y>=200) mouse_setxy(r.x.cx, 199);
			else mouse_x/=2;
	if ((mouse_x != mouse_lx) || (mouse_y != mouse_ly)) mouse_move = 1;
		else mouse_move = 0;
}

void mouse_getback(){
	int i, width;

//	if (mouse_x + mouse_cur.info.biWidth >= SCREEN_WIDTH)
//		width = SCREEN_WIDTH - mouse_x;
	for (i = 0; i < mouse_cur.info.biHeight; i++)
		if (i + mouse_y < SCREEN_HEIGHT)
			_fmemcpy(&mouse_back[i * mouse_cur.info.biWidth], &video_buffer[(mouse_y + i) * SCREEN_WIDTH + mouse_x], mouse_cur.info.biWidth);
		else break;
	mouse_lx = mouse_x;
	mouse_ly = mouse_y;
}

void mouse_showcur(){
	int y, x, i;

	for (y = mouse_cur.info.biHeight - 1, i = 0; y >= 0; y--, i++){
		if (y + mouse_y >= SCREEN_HEIGHT) continue;
		_fmemcpy(mouse_showcur_tmp, &mouse_cur.buffer[i * mouse_cur.info.biWidth], mouse_cur.info.biWidth);
		for (x = 0; x < mouse_cur.info.biWidth; x++)
			if (x + mouse_x >= SCREEN_WIDTH) break;
			else
				if (mouse_showcur_tmp[x] != mouse_backcolor)
					Plot_Pixel_Fast(x + mouse_x, y + mouse_y, mouse_showcur_tmp[x]);
	}
}

void mouse_putback(){
	int i, width;

//	if (mouse_lx + mouse_cur.info.biWidth >= SCREEN_WIDTH)
//		width = SCREEN_WIDTH - mouse_lx;
	for (i = 0; i < mouse_cur.info.biHeight; i++)
		if (i + mouse_ly < SCREEN_HEIGHT)
			_fmemcpy(&video_buffer[(mouse_ly + i) * SCREEN_WIDTH + mouse_lx], &mouse_back[i * mouse_cur.info.biWidth], mouse_cur.info.biWidth);
		else break;
}

void mouse_init(char *cur, int smallmode, int x, int y){
	BMP_Load(cur, &mouse_cur);
	BMP_SetPalette(mouse_cur);
	mouse_backcolor = mouse_cur.buffer[0];
	mouse_smallmode = smallmode;
	mouse_setxy(x, y);
	if ((mouse_back = farmalloc(mouse_cur.info.biHeight * mouse_cur.info.biWidth)) == NULL){
		printf("Low memory for mouse_back!");
		getch();
		exit(1);
	}
	if ((mouse_showcur_tmp = farmalloc(mouse_cur.info.biWidth)) == NULL){
		printf("Low memory for mouse_showcur_tmp!");
		getch();
		exit(1);
	}
	mouse_getback();
	mouse_showcur();
}

void mouse_wait(){
	unsigned key;

	do{
		if (kbhit()){
			key = getch();
			if (key == 0) key = getch();
			break;
		}
		mouse_get();
		if ((mouse_x != mouse_lx) || (mouse_y != mouse_ly)){
			mouse_putback();
			mouse_getback();
			mouse_showcur();
		}
		sound_gdserver();
	}while (!mouse_up);
}

void mouse_fresh(){
	mouse_putback();
	mouse_getback();
	mouse_showcur();
}

int on_exit_btn(){
	return (mouse_x >= EXIT_X0) && (mouse_x <= EXIT_X1) && (mouse_y >= EXIT_Y0) && (mouse_y <= EXIT_Y1);
}

int on_diamonds(){
	return (mouse_x > 123) && (mouse_x < 316) && (mouse_y > 3) && (mouse_y < 196);
}

int on_new_btn(){
	return (mouse_x >= NEW_X0) && (mouse_x <= NEW_X1) && (mouse_y >= NEW_Y0) && (mouse_y <= NEW_Y1);
}

int on_about_btn(){
	return (mouse_x >= ABOUT_X0) && (mouse_x <= ABOUT_X1) && (mouse_y >= ABOUT_Y0) && (mouse_y <= ABOUT_Y1);
}

int on_hiscore_btn(){
	return (mouse_x >= HISCORE_X0) && (mouse_x <= HISCORE_X1) && (mouse_y >= HISCORE_Y0) && (mouse_y <= HISCORE_Y1);
}