/* We don't bother modeling all the nuances of the game's rules in these functions */
static void
move_pawn(char *board, int x, int y)
{
if (isupper(get_piece(board, x - 1, y)))
set_move(x, y, x - 1, y);
else if (isupper(get_piece(board, x + 1, y)))
set_move(x, y, x + 1, y);
else if (get_piece(board, x, y + 2) == ' ')
set_move(x, y, x, y + 2);
else if (get_piece(board, x, y + 1) == ' ')
set_move(x, y, x, y + 1);
}
static void
move_rook(char *board, int x, int y)
{
if (isupper(get_piece(board, x, y + 1)) || get_piece(board, x, y + 1) == ' ')
set_move(x, y, x, y + 1);
else if (isupper(get_piece(board, x - 1, y)) || get_piece(board, x - 1, y) == ' ')
set_move(x, y, x - 1, y);
else if (isupper(get_piece(board, x + 1, y)) || get_piece(board, x + 1, y) == ' ')
set_move(x, y, x + 1, y);
else if (isupper(get_piece(board, x, y - 1)) || get_piece(board, x, y - 1) == ' ')
set_move(x, y, x, y - 1);
}
void turretDrive(){
int left = 0;
int right = 0;
int VLeft = *(int*)(&receive_buffer[2]);
int HLeft = ((*(int*)(&receive_buffer[6])) * 3)/2;
int VRight = (*(int*)(&receive_buffer[4]));
int HRight = ((*(int*)(&receive_buffer[8])) * 3 )/ 2;
char TU;
if (VRight> 200) { TU = 1;}
else if (VRight<-200) { TU = -1;}
else { TU=0;}
char TH;
if (HRight> 200) { TH = 1;}
else if (HRight<-200) { TH = -1;}
else { TH=0;}
if (VLeft > 500 ) { VLeft = 999;}
else if (VLeft < -500 ) { VLeft = -999;}
else { VLeft = 2*VLeft;}
if ( VLeft > 0){ // going forward
if (HLeft > 0 ){ // joystick right
right = VLeft - HLeft;
left = VLeft;
}else { // joystick left (HLeft < 0 )
left = VLeft + HLeft;
right = VLeft;
}
}else if (VLeft < -50) { // going back (VLeft < 0)
if ( HLeft > 0){ // joystick right ()
right =VLeft + HLeft;
left = VLeft;
}else{ // joystick left (HLeft < 0 )
left = VLeft - HLeft;
right = VLeft;
}
}else {
if ( HLeft > 0){ // joystick right ()
right =VLeft ;
left = VLeft + HLeft;
}else{ // joystick left (HLeft < 0 )
right = VLeft - HLeft;
left = VLeft;
}
}
set_move(left, right, TH, TU );
}
static void
move_knight(char *board, int x, int y)
{
if (isupper(get_piece(board, x + 1, y + 2)) || get_piece(board, x + 1, y + 2) == ' ')
set_move(x, y, x + 1, y + 2);
else if (isupper(get_piece(board, x + 2, y + 1)) || get_piece(board, x + 2, y + 1) == ' ')
set_move(x, y, x + 2, y + 1);
else if (isupper(get_piece(board, x + 2, y - 1)) || get_piece(board, x + 2, y - 1) == ' ')
set_move(x, y, x + 2, y - 1);
else if (isupper(get_piece(board, x + 1, y - 2)) || get_piece(board, x + 1, y - 2) == ' ')
set_move(x, y, x + 1, y - 2);
else if (isupper(get_piece(board, x - 1, y + 2)) || get_piece(board, x - 1, y + 2) == ' ')
set_move(x, y, x - 1, y + 2);
else if (isupper(get_piece(board, x - 2, y + 1)) || get_piece(board, x - 2, y + 1) == ' ')
set_move(x, y, x - 2, y + 1);
else if (isupper(get_piece(board, x - 2, y - 1)) || get_piece(board, x - 2, y - 1) == ' ')
set_move(x, y, x - 2, y - 1);
else if (isupper(get_piece(board, x - 1, y - 2)) || get_piece(board, x - 1, y - 2) == ' ')
set_move(x, y, x - 1, y - 2);
}
//--------- Begin of function Unit::process_ship_to_beach ---------//
// process unit action SHIP_TO_BEACH
//
void Unit::process_ship_to_beach()
{
//----- action_mode never clear, in_beach to skip idle checking
if(cur_action==SPRITE_IDLE)
{
int shipXLoc = next_x_loc();
int shipYLoc = next_y_loc();
if(shipXLoc==move_to_x_loc && shipYLoc==move_to_y_loc)
{
if(abs(move_to_x_loc-action_x_loc2)<=2 && abs(move_to_y_loc-action_y_loc2)<=2)
{
UnitMarine *shipPtr = (UnitMarine*) this;
//------------------------------------------------------------------------------//
// determine whether extra_move is required
//------------------------------------------------------------------------------//
switch(shipPtr->extra_move_in_beach)
{
case NO_EXTRA_MOVE:
if(abs(shipXLoc-action_x_loc2)>1 || abs(shipYLoc-action_y_loc2)>1)
{
err_when(abs(shipXLoc-action_x_loc2)>2 || abs(shipYLoc-action_y_loc2)>2);
err_when(result_node_array);
shipPtr->extra_move();
}
else
{
//shipPtr->in_beach = 1;
shipPtr->extra_move_in_beach = NO_EXTRA_MOVE;
//#### trevor 23/10 #####//
if(ai_action_id)
nation_array[nation_recno]->action_finished(ai_action_id, sprite_recno);
//#### trevor 23/10 #####//
}
break;
case EXTRA_MOVING_IN:
case EXTRA_MOVING_OUT:
//err_when(cur_action!=SPRITE_SHIP_EXTRA_MOVE);
break;
//#### trevor 23/10 #####//
case EXTRA_MOVE_FINISH:
if(ai_action_id)
nation_array[nation_recno]->action_finished(ai_action_id, sprite_recno);
break;
//#### trevor 23/10 #####//
default: err_here();
break;
}
}
}
else
reset_action_para();
}
else if(cur_action==SPRITE_TURN && is_dir_correct())
set_move();
}