void draw_user_velocities(Frame *vx_frame, Frame *vy_frame, Velocity *velocity)
{
fill_frame(vx_frame, BLACK);
fill_frame(vy_frame, BLACK);
vx_frame->width = MAX(velocity->vx, 2);
vy_frame->top = 75 + (velocity->vy < 0 ? 0 : -velocity->vy);
vy_frame->height = ABS(velocity->vy);
fill_frame(vx_frame, WHITE);
fill_frame(vy_frame, WHITE);
}
extern void
fill_stack(debug_context_t *context, const rb_debug_inspector_t *inspector) {
debug_frame_t *frame;
VALUE locations;
VALUE location;
VALUE path;
VALUE lineno;
const char *file;
int line;
int stack_size;
int i;
locations = rb_debug_inspector_backtrace_locations(inspector);
stack_size = locations == Qnil ? 0 : RARRAY_LENINT(locations);
context->stack_size = stack_size;
for (i = 0; i < stack_size; i++) {
frame = ALLOC(debug_frame_t);
location = rb_ary_entry(locations, i);
path = rb_funcall(location, rb_intern("path"), 0);
lineno = rb_funcall(location, rb_intern("lineno"), 0);
file = path != Qnil ? RSTRING_PTR(path) : "";
line = FIX2INT(lineno);
fill_frame(frame, file, line, rb_debug_inspector_frame_binding_get(inspector, i), rb_debug_inspector_frame_self_get(inspector, i));
frame->prev = context->stack;
context->stack = frame;
}
}
int run_game(GameData *data)
{
int cur_shot = 0;
while(cur_shot < data->num_shots)
{
Pacman *cur_pac_shot = (data->shots + cur_shot);
draw_pacman(cur_pac_shot);
draw_pebbles(data->pebbles, data->num_pebbles);
*cur_pac_shot->velocity = *(data->old_velocity);
Velocity *velocity = cur_pac_shot->velocity;
while(!KEY_PRESSED(START))
{
update_velocities(velocity);
wait_for_vblank();
draw_user_velocities(data->velocity_frame_x, data->velocity_frame_y, velocity);
draw_pacman(cur_pac_shot);
}
*(data->old_velocity ) = *cur_pac_shot->velocity;//MUST save old shot
erase_frame(data->velocity_frame_x, data->bg_color);
erase_frame(data->velocity_frame_y, data->bg_color);
//now we run simulation
fill_frame(data->indicator, GREEN);
int i = 0;
while(!off_screen(cur_pac_shot->frame))
{
for (i = 0; i < data->num_pebbles; i++) {
PacmanPebble *cur_pebble = (data->pebbles + i);
check_collision(cur_pac_shot, cur_pebble);
}
wait_for_vblank();
erase_frame(cur_pac_shot->frame, data->bg_color);
move_shot(cur_pac_shot);
draw_pebbles(data->pebbles, data->num_pebbles);
draw_pacman(cur_pac_shot);
}
erase_frame(cur_pac_shot->frame, data->bg_color);
cur_shot++;
}
fill_frame(data->indicator, RED);
return 0;
}
static void video_init(char *NTSCFrame)
{
NTSCFrame = (char *)NTSC_FRAME_ADDR;
NTSC_framebuffer_init(NTSCFrame);
fill_frame(NTSCFrame, BLUE);
bfin_write_PPI_CONTROL(0x0082);
bfin_write_PPI_FRAME(0x020D);
bfin_write_DMA0_START_ADDR(NTSCFrame);
bfin_write_DMA0_X_COUNT(0x035A);
bfin_write_DMA0_X_MODIFY(0x0002);
bfin_write_DMA0_Y_COUNT(0x020D);
bfin_write_DMA0_Y_MODIFY(0x0002);
bfin_write_DMA0_CONFIG(0x1015);
bfin_write_PPI_CONTROL(0x0083);
}
void draw_pacman(Pacman *pacman)
{
fill_frame(pacman->frame, YELLOW);
}
static bool process_packet(tc_user_t *u, unsigned char *frame)
{
bool result;
uint16_t size_ip, size_tcp, tot_len, cont_len;
uint32_t h_ack, h_last_ack;
tc_ip_header_t *ip_header;
tc_tcp_header_t *tcp_header;
ip_port_pair_mapping_t *test;
ip_header = (tc_ip_header_t *) (frame + ETHERNET_HDR_LEN);
size_ip = ip_header->ihl << 2;
tcp_header = (tc_tcp_header_t *) ((char *) ip_header + size_ip);
size_tcp = tcp_header->doff << 2;
tot_len = ntohs(ip_header->tot_len);
cont_len = tot_len - size_tcp - size_ip;
if (u->dst_port == 0) {
test = get_test_pair(&(clt_settings.transfer),
ip_header->daddr, tcp_header->dest);
if (test == NULL) {
tc_log_info(LOG_NOTICE, 0, " test null:%u",
ntohs(tcp_header->dest));
tc_log_trace(LOG_WARN, 0, TO_BAKEND_FLAG, ip_header, tcp_header);
return false;
}
u->dst_addr = test->target_ip;
u->dst_port = test->target_port;
#if (GRYPHON_PCAP_SEND)
u->src_mac = test->src_mac;
u->dst_mac = test->dst_mac;
#endif
}
if (u->state.last_ack_recorded) {
if (u->state.status < SEND_REQ && (u->state.status & SYN_CONFIRM)) {
h_ack = ntohl(tcp_header->ack_seq);
h_last_ack = ntohl(u->history_last_ack_seq);
if (after(h_ack, h_last_ack)) {
tc_log_debug1(LOG_DEBUG, 0, "server resp first, wait, p:%u",
ntohs(u->src_port));
u->state.resp_waiting = 1;
return false;
}
}
}
ip_header->saddr = u->src_addr;
tcp_header->source = u->src_port;
u->history_last_ack_seq = tcp_header->ack_seq;
u->state.last_ack_recorded = 1;
tcp_header->ack_seq = u->exp_ack_seq;
ip_header->daddr = u->dst_addr;
tcp_header->dest = u->dst_port;
tc_log_debug2(LOG_DEBUG, 0, "set ack seq:%u, p:%u",
ntohl(u->exp_ack_seq), ntohs(u->src_port));
packs_sent_cnt++;
if (tcp_header->syn) {
syn_sent_cnt++;
#if (!GRYPHON_SINGLE)
if (!send_router_info(u, CLIENT_ADD)) {
return false;
}
#endif
u->state.last_ack_recorded = 0;
u->state.status |= SYN_SENT;
} else if (tcp_header->fin) {
fin_sent_cnt++;
u->state.status |= CLIENT_FIN;
} else if (tcp_header->rst) {
rst_sent_cnt++;
u->state.status |= CLIENT_FIN;
tc_log_debug1(LOG_DEBUG, 0, "a reset packet to back:%u",
ntohs(u->src_port));
}
if (cont_len > 0) {
cont_sent_cnt++;
u->state.status |= SEND_REQ;
}
if (u->state.timestamped) {
update_timestamp(u, tcp_header);
}
tcp_header->check = 0;
tcp_header->check = tcpcsum((unsigned char *) ip_header,
(unsigned short *) tcp_header, (int) (tot_len - size_ip));
#if (GRYPHON_PCAP_SEND)
ip_header->check = 0;
ip_header->check = csum((unsigned short *) ip_header,size_ip);
#endif
tc_log_debug_trace(LOG_DEBUG, 0, TO_BAKEND_FLAG, ip_header, tcp_header);
#if (!GRYPHON_PCAP_SEND)
result = tc_raw_socket_send(tc_raw_socket_out, ip_header, tot_len,
ip_header->daddr);
#else
fill_frame((struct ethernet_hdr *) frame, u->src_mac, u->dst_mac);
result = tc_pcap_send(frame, tot_len + ETHERNET_HDR_LEN);
#endif
if (result == TC_OK) {
u->last_sent_time = tc_time();
return true;
} else {
tc_log_info(LOG_ERR, 0, "send to back error,tot_len is:%d,cont_len:%d",
tot_len,cont_len);
#if (!TCPCOPY_PCAP_SEND)
tc_raw_socket_out = TC_INVALID_SOCKET;
#endif
tc_over = SIGRTMAX;
return false;
}
}
