/**
* is_become_king
* input : int row, int col, player_e turn
* output : TRUE/FALSE
* functionality : returns TRUE a the disc should be king (after a move) else return FALSE
*/
bool is_become_king(int row, int col, player_e turn){
bool king;
color_e mine;
king = FALSE;
if (turn == USER)
{
mine = user.color;
}
else
{
mine = computer.color;
}
if (mine == WHITE)
{
if (((row == BOARD_SIZE - 1) && (is_empty_position(row, col)) && (is_valid_position(row, col))))
{
king = TRUE;
}
}
else
{
if (((row == 0) && (is_empty_position(row, col)) && (is_valid_position(row, col))))
{
king = TRUE;
}
}
return king;
}
bool MapCollision::small_step(float &x, float &y, float step_x, float step_y, MOVEMENTTYPE movement_type, bool is_hero) {
if (is_valid_position(x + step_x, y + step_y, movement_type, is_hero)) {
x += step_x;
y += step_y;
assert(is_valid_position(x,y,movement_type, is_hero));
return true;
}
else {
return false;
}
}
bool MapCollision::small_step_forced_slide_along_grid(float &x, float &y, float step_x, float step_y, MOVEMENTTYPE movement_type, bool is_hero) {
if (is_valid_position(x + step_x, y, movement_type, is_hero)) { // slide along wall
if (step_x == 0) return true;
x += step_x;
assert(is_valid_position(x,y,movement_type, is_hero));
}
else if (is_valid_position(x, y + step_y, movement_type, is_hero)) {
if (step_y == 0) return true;
y += step_y;
assert(is_valid_position(x,y,movement_type, is_hero));
}
else {
return false;
}
return true;
}
/**
* remove_disc
* input : int row, int col, player_e rm_from_this_player
* output : int
-1 if the position is not valid.
1 discwas removed successfully.
* functionality : removes a given disc on the board
*/
int remove_disc(int row, int col, player_e rm_from_this_player){
if (!is_valid_position(row, col))
{
print_message(WRONG_POSITION);
return -1;
}
game_board[row][col] = EMPTY;
return 1;
}
bool MapCollision::small_step_forced_slide(float &x, float &y, float step_x, float step_y, MOVEMENTTYPE movement_type, bool is_hero) {
// is there a singular obstacle or corner we can step around?
// only works if we are moving straight
const float epsilon = 0.01f;
if (step_x != 0) {
assert(step_y == 0);
float dy = y - static_cast<float>(floor(y));
if (is_valid_tile(int(x), int(y) + 1, movement_type, is_hero)
&& is_valid_tile(int(x) + sgn(step_x), int(y) + 1, movement_type, is_hero)
&& dy > 0.5) {
y += std::min(1 - dy + epsilon, float(fabs(step_x)));
}
else if (is_valid_tile(int(x), int(y) - 1, movement_type, is_hero)
&& is_valid_tile(int(x) + sgn(step_x), int(y) - 1, movement_type, is_hero)
&& dy < 0.5) {
y -= std::min(dy + epsilon, float(fabs(step_x)));
}
else {
return false;
}
assert(is_valid_position(x,y,movement_type, is_hero));
}
else if (step_y != 0) {
assert(step_x == 0);
float dx = x - static_cast<float>(floor(x));
if (is_valid_tile(int(x) + 1, int(y), movement_type, is_hero)
&& is_valid_tile(int(x) + 1, int(y) + sgn(step_y), movement_type, is_hero)
&& dx > 0.5) {
x += std::min(1 - dx + epsilon, float(fabs(step_y)));
}
else if (is_valid_tile(int(x) - 1, int(y), movement_type, is_hero)
&& is_valid_tile(int(x) - 1, int(y) + sgn(step_y), movement_type, is_hero)
&& dx < 0.5) {
x -= std::min(dx + epsilon, float(fabs(step_y)));
}
else {
return false;
}
}
else {
assert(false);
}
return true;
}
/**
* set_disc
* input : char char_on_board, int row, int col, color_e tool_color, type_e tool_type
* output : int
-1 standart function failed.
1 seccesfull set on the board.
* functionality : sets a given disc on the board updates compuer's and user's men and kings linked list
* return : -1 if the was memory allocation problems, 1 seccesfull set on the board
*/
int set_disc(char char_on_board, int row, int col, color_e tool_color, type_e tool_type)
{
coordinate_t *temp_linkedlist;
if ((!is_valid_position(row, col)))
{
print_message(WRONG_POSITION);
return 1;
}
game_board[row][col] = char_on_board;
if (State == GAME_STATE)
{
if (user.color == tool_color)
{
temp_linkedlist = creat_linkedList_pointer(tool_type, USER);
if (tool_type == KING)
{
user.num_of_kings++;
}
else
{
user.num_of_men++;
}
}
else
{
temp_linkedlist = creat_linkedList_pointer(tool_type, COMPUTER);
if (tool_type == KING)
{
computer.num_of_kings++;
}
else
{
computer.num_of_men++;
}
}
temp_linkedlist = updating_linked_list(row, col, temp_linkedlist);
if (temp_linkedlist == NULL)
{
return -1;
}
}
return 1;
}
/**
* Given a target, trys to return one of the 8+ adjacent tiles
* Returns the retargeted position on success, returns the original position on failure
*/
FPoint MapCollision::get_random_neighbor(Point target, int range, bool ignore_blocked) {
FPoint new_target = target;
std::vector<FPoint> valid_tiles;
for (int i=-range; i<=range; i++) {
for (int j=-range; j<=range; j++) {
if (i == 0 && j == 0) continue; // skip the middle tile
new_target.x = static_cast<float>(target.x + i) + 0.5f;
new_target.y = static_cast<float>(target.y + j) + 0.5f;
if (is_valid_position(new_target.x,new_target.y,MOVEMENT_NORMAL,false) || ignore_blocked)
valid_tiles.push_back(new_target);
}
}
if (!valid_tiles.empty())
return valid_tiles[rand() % valid_tiles.size()];
else
return target;
}
/**
* Does not have the "slide" submovement that move() features
* Line can be arbitrary angles.
*/
bool MapCollision::line_check(const float& x1, const float& y1, const float& x2, const float& y2, int check_type, MOVEMENTTYPE movement_type) {
float x = x1;
float y = y1;
float dx = static_cast<float>(fabs(x2 - x1));
float dy = static_cast<float>(fabs(y2 - y1));
float step_x;
float step_y;
int steps = (int)std::max(dx, dy);
if (dx > dy) {
step_x = 1;
step_y = dy / dx;
}
else {
step_y = 1;
step_x = dx / dy;
}
// fix signs
if (x1 > x2) step_x = -step_x;
if (y1 > y2) step_y = -step_y;
if (check_type == CHECK_SIGHT) {
for (int i=0; i<steps; i++) {
x += step_x;
y += step_y;
if (is_wall(x, y))
return false;
}
}
else if (check_type == CHECK_MOVEMENT) {
for (int i=0; i<steps; i++) {
x += step_x;
y += step_y;
if (!is_valid_position(x, y, movement_type, false))
return false;
}
}
return true;
}
/**
* is_enemy_position
* input : int row, int col
* output : TRUE/FALSE
* functionality : returns TRUE a given coordinate is enemy's coordinate else return FALSE
*/
bool is_enemy_position(int row, int col){
char tool;
bool enemy;
color_e mine;
enemy = FALSE;
tool = game_board[row][col];
if ((is_valid_position(row, col)) && (game_board[row][col] != EMPTY))
{
if (Turn == USER)
{
mine = user.color;
}
else
{
mine = computer.color;
}
if (mine == WHITE)
{
if ((tool == BLACK_M) || (tool == BLACK_K))
{
enemy = TRUE;
}
}
else
{
if ((tool == WHITE_M) || (tool == WHITE_K))
{
enemy = TRUE;
}
}
}
return enemy;
}
bool Util::is_valid_position(const Pose &pose)
{
return is_valid_position(round(pose.x), round(pose.y), GlobalState::cost_map.config);
}
bool Util::is_valid_position(const Pose &pose, const carmen_map_config_t &map_config)
{
return is_valid_position(round(pose.x), round(pose.y), map_config);
}
bool Util::is_valid_position(const int &x, const int &y)
{
return is_valid_position(x, y, GlobalState::cost_map.config);
}
void
document_abner(DocumentEdit *edit, DocumentPosition begin, DocumentPosition end)
{
hale_assert_input(begin <= end);
_check_edit(edit);
auto document = edit->document;
hale_assert(is_valid_position(document, begin));
hale_assert(is_valid_position(document, end));
edit->offset_begin = position_to_offset(document, begin);
edit->offset_end = position_to_offset(document, end);
edit->length = edit->offset_end - edit->offset_begin;
if (edit->length == 0) {
return;
}
edit->type = DocumentEdit::Remove;
edit->pos_begin = begin;
edit->pos_end = end;
edit->block_changed = begin.block;
edit->blocks_changed_count = edit->pos_end.block - edit->pos_begin.block;
if (!edit->undo)
{
UndoWriter writer(&edit->document->undo, Document::UndoEvent_Remove);
undo_write(writer.undo, &edit->offset_begin, sizeof(memi));
undo_write(writer.undo, &edit->length, sizeof(memi));
void *text = undo_write(writer.undo, edit->length * sizeof(ch));
document_text(document, edit->offset_begin, edit->length, (ch*)text, edit->length);
}
_buffer_remove(&document->buffer, edit->offset_begin, edit->length);
if (edit->blocks_changed_count) {
vector_remove(&document->blocks,
edit->pos_begin.block,
edit->pos_end.block - edit->pos_begin.block);
edit->blocks_changed_at = begin.block + 1;
} else {
edit->blocks_changed_at = begin.block;
}
for (memi i = begin.block;
i != vector_count(document->blocks);
i++)
{
document->blocks[i].end -= edit->length;
}
document->blocks[edit->block_changed].flags = 0;
// Move the parser head
if (document_parser_set_head(document, edit->pos_begin.block)) {
// TODO(cohen): If the time distance between caret types is small,
// do not parse immediately.
document_parse(document, 0.01f);
}
_notify_views_about_abner(edit);
}
void
document_insert(DocumentEdit *edit, DocumentPosition position, ch *text, memi text_length)
{
_check_edit(edit);
//#ifdef _DEBUG
// for (memi i = 0; i < text_length; i++) {
// hale_assert(text[i] != '\r');
// }
//#endif
auto document = edit->document;
memi old_document_end = _buffer_length(document->buffer);
hale_assert(is_valid_position(document, position));
edit->type = DocumentEdit::Insert;
// edit->undo_head = document->undo->writingHead();
edit->offset_begin = position_to_offset(document, position);
Vector<memi> offsets;
vector_init(&offsets);
if (!edit->undo)
{
UndoWriter writer(&edit->document->undo, Document::UndoEvent_Insert);
undo_write(writer.undo, &edit->offset_begin, sizeof(memi));
memi length_index = writer.undo->data.count;
undo_write(writer.undo, &edit->length, sizeof(memi));
text_length = convert_and_insert(edit, text, text_length, &offsets);
*((memi*)(writer.undo->data.ptr + length_index)) = text_length;
}
else
{
text_length = convert_and_insert(edit, text, text_length, &offsets);
}
edit->offset_end = edit->offset_begin + text_length;
edit->length = text_length;
edit->blocks_changed_count = vector_count(offsets);
if (edit->blocks_changed_count == 0) {
edit->block_changed = position.block;
edit->blocks_changed_at = position.block;
} else if (position.position == 0) {
// Inserting at the beginning of a block.
if (edit->offset_begin == 0) {
// Inserting at document begin.
edit->block_changed = position.block + vector_count(offsets);
edit->blocks_changed_at = position.block;
} else if (edit->offset_begin == old_document_end) {
// If we're inserting at the end of the document to an empty block.
edit->block_changed = position.block;
edit->blocks_changed_at = position.block + 1;
} else {
// Anywhere at the block begin.
// If we're inserting at the beginning of a block,
// it's quite possible, that actually nothing changes.
// But that depend on the things that use this notification.
edit->block_changed = position.block + vector_count(offsets);
edit->blocks_changed_at = position.block;
}
} else {
// Inside the block
edit->block_changed = position.block;
edit->blocks_changed_at = position.block + 1;
}
//
// Blocks
//
if (edit->blocks_changed_count > 0)
{
Document::Block block = {};
// We're inserting this *before* the position.block.
vector_insert(&document->blocks,
position.block,
vector_count(offsets),
block);
for (memi i = 0; i != edit->blocks_changed_count; i++) {
document->blocks[position.block + i].end = offsets[i];
}
}
for (memi i = position.block + edit->blocks_changed_count;
i != vector_count(document->blocks);
i++)
{
document->blocks[i].end += text_length;
}
document->blocks[edit->block_changed].flags = 0;
edit->pos_begin = position;
edit->pos_end = position_plus_offset(document, edit->pos_begin, text_length);
// _write_undo(edit, Document::UndoEvent_Insert, edit->offset_begin, text_length);
// Mark all views' layout to be invalid.
document->view_flags = HALE_DOCUMENT_VIEW_LAYOUT_INVALID;
// Invalidate block
// Call this before we go for document_parse, so that the view's
// is actually updated.
_notify_views_about_insert(edit);
// Move the parser head
if (document_parser_set_head(document, edit->pos_begin.block)) {
// TODO(cohen): If the time distance between inserts is small,
// do not parse immediately.
document_parse(document, 0.01f);
}
}