void Window_Message::ApplyTextInsertingCommands() {
text_index = text.end();
end = text.end();
// Contains already substitued \N actors to prevent endless recursion
std::vector<int> replaced_actors;
int actor_replacement_start = std::distance(text.begin(), end);
if (!text.empty()) {
// Move on first valid char
--text_index;
// Apply commands that insert text
while (std::distance(text_index, text.begin()) <= -1) {
char ch = tolower(*text_index--);
switch (ch) {
case 'n':
case 'v':
{
if (*text_index != escape_char) {
continue;
}
++text_index;
auto start_code = text_index - 1;
bool success;
int parsed_num;
std::u32string command_result = Utils::DecodeUTF32(ParseCommandCode(success, parsed_num));
if (start_code < text.begin() + actor_replacement_start) {
replaced_actors.clear();
}
if (!success || std::find(replaced_actors.begin(), replaced_actors.end(), parsed_num) != replaced_actors.end()) {
text_index = start_code;
continue;
}
if (ch == 'n') {
replaced_actors.push_back(parsed_num);
actor_replacement_start = std::min<int>(std::distance(text.begin(), start_code), actor_replacement_start);
}
text.replace(start_code, text_index + 1, command_result);
// Start from the beginning, the inserted text might add new commands
text_index = text.end();
end = text.end();
actor_replacement_start = std::min<int> (std::distance(text.begin(), end), actor_replacement_start);
// Move on first valid char
--text_index;
break;
}
default:
break;
}
}
}
}
void Window_Message::StartMessageProcessing() {
contents->Clear();
text.clear();
for (const std::string& line : Game_Message::texts) {
text.append(Utils::DecodeUTF32(line)).append(1, U'\n');
}
Game_Message::texts.clear();
item_max = min(4, Game_Message::choice_max);
text_index = text.end();
end = text.end();
if (!text.empty()) {
// Move on first valid char
--text_index;
// Apply commands that insert text
while (std::distance(text_index, text.begin()) <= -1) {
switch (tolower(*text_index--)) {
case 'n':
case 'v':
{
if (*text_index != escape_char) {
continue;
}
++text_index;
auto start_code = text_index - 1;
bool success;
std::u32string command_result = Utils::DecodeUTF32(ParseCommandCode(success));
if (!success) {
text_index = start_code - 2;
continue;
}
text.replace(start_code, text_index + 1, command_result);
// Start from the beginning, the inserted text might add new commands
text_index = text.end();
end = text.end();
// Move on first valid char
--text_index;
break;
}
default:
break;
}
}
}
text_index = text.begin();
InsertNewPage();
}
std::string Window_Message::ParseCommandCode(int call_depth) {
int parameter;
bool is_valid;
// sub_code is used by chained arguments like \v[\v[1]]
// In that case sub_code contains the result from \v[1]
int sub_code = -1;
uint32_t cmd_char = *text_index;
if (std::distance(text_index, end) > 3 &&
*boost::next(text_index, 2) == '\\' &&
tolower(*boost::next(text_index, 3)) == 'v') {
++(++(++text_index));
// The result is an int value, str-to-int is safe in this case
std::stringstream ss;
ss << ParseCommandCode(++call_depth);
ss >> sub_code;
}
void Window_Message::UpdateMessage() {
// Message Box Show Message rendering loop
// Contains at what frame the sleep is over
static int sleep_until = -1;
if (sleep_until > -1) {
if (Graphics::GetFrameCount() >= sleep_until) {
// Sleep over
sleep_until = -1;
} else {
return;
}
}
bool instant_speed = false;
int loop_count = 0;
int loop_max = speed_table[speed_modifier] == 0 ? 2 : 1;
while (instant_speed || loop_count < loop_max) {
// It's assumed that speed_modifier is between 0 and 20
++speed_frame_counter;
if (speed_table[speed_modifier] != 0 &&
speed_table[speed_modifier] != speed_frame_counter) {
break;
}
speed_frame_counter = 0;
++loop_count;
if (text_index == end) {
FinishMessageProcessing();
break;
} else if (line_count == 4) {
pause = true;
new_page_after_pause = true;
break;
}
if (*text_index == '\n') {
instant_speed = false;
InsertNewLine();
if (pause) {
break;
}
} else if (*text_index == '\f') {
instant_speed = false;
++text_index;
if (*text_index == '\n') {
++text_index;
}
if (text_index != end) {
pause = true;
new_page_after_pause = true;
}
break;
} else if (*text_index == '\\' && std::distance(text_index, end) > 1) {
// Special message codes
++text_index;
std::string command_result;
switch (tolower(*text_index)) {
case 'c':
case 'n':
case 's':
case 'v':
// These commands support indirect access via \v[]
command_result = ParseCommandCode();
contents->TextDraw(contents_x, contents_y, text_color, command_result);
contents_x += contents->GetFont()->GetSize(command_result).width;
break;
case '\\':
// Show Backslash
contents->TextDraw(contents_x, contents_y, text_color, std::string("\\"));
contents_x += contents->GetFont()->GetSize("\\").width;
break;
case '_':
// Insert half size space
contents_x += contents->GetFont()->GetSize(" ").width / 2;
break;
case '$':
// Show Gold Window
gold_window->SetY(y == 0 ? 240 - 32 : 0);
gold_window->Refresh();
gold_window->SetOpenAnimation(5);
gold_window->SetVisible(true);
break;
case '!':
// Text pause
pause = true;
break;
case '^':
// Force message close
// The close happens at the end of the message, not where
// the ^ is encoutered
kill_message = true;
break;
case '>':
// Instant speed start
instant_speed = true;
break;
case '<':
// Instant speed stop
instant_speed = false;
break;
case '.':
// 1/4 second sleep
sleep_until = Graphics::GetFrameCount() + 60 / 4;
++text_index;
return;
break;
case '|':
// Second sleep
sleep_until = Graphics::GetFrameCount() + 60;
++text_index;
return;
break;
default:;
}
} else if (*text_index == '$'
&& std::distance(text_index, end) > 1
&& std::isalpha(*boost::next(text_index))) {
// ExFont
contents->TextDraw(contents_x, contents_y, text_color,
std::string(text_index.base(), boost::next(text_index, 2).base()));
contents_x += 12;
++text_index;
} else {
std::string const glyph(text_index.base(), boost::next(text_index).base());
contents->TextDraw(contents_x, contents_y, text_color, glyph);
contents_x += contents->GetFont()->GetSize(glyph).width;
}
++text_index;
}
loop_count = 0;
}