/** Draw the chat message-box */
void NetworkDrawChatMessage()
{
Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
if (!_chatmessage_dirty) return;
/* First undraw if needed */
NetworkUndrawChatMessage();
if (_iconsole_mode == ICONSOLE_FULL) return;
/* Check if we have anything to draw at all */
uint count = GetChatMessageCount();
if (count == 0) return;
int x = _chatmsg_box.x;
int y = _screen.height - _chatmsg_box.y - _chatmsg_box.height;
int width = _chatmsg_box.width;
int height = _chatmsg_box.height;
if (y < 0) {
height = max(height + y, min(_chatmsg_box.height, _screen.height));
y = 0;
}
if (x + width >= _screen.width) {
width = _screen.width - x;
}
if (width <= 0 || height <= 0) return;
assert(blitter->BufferSize(width, height) <= (int)(_chatmsg_box.width * _chatmsg_box.height * blitter->GetBytesPerPixel()));
/* Make a copy of the screen as it is before painting (for undraw) */
blitter->CopyToBuffer(blitter->MoveTo(_screen.dst_ptr, x, y), _chatmessage_backup, width, height);
_cur_dpi = &_screen; // switch to _screen painting
/* Paint a half-transparent box behind the chat messages */
GfxFillRect(
_chatmsg_box.x,
_screen.height - _chatmsg_box.y - count * (FONT_HEIGHT_NORMAL + NETWORK_CHAT_LINE_SPACING) - 2,
_chatmsg_box.x + _chatmsg_box.width - 1,
_screen.height - _chatmsg_box.y - 2,
PALETTE_TO_TRANSPARENT, FILLRECT_RECOLOUR // black, but with some alpha for background
);
/* Paint the chat messages starting with the lowest at the bottom */
for (uint y = FONT_HEIGHT_NORMAL + NETWORK_CHAT_LINE_SPACING; count-- != 0; y += (FONT_HEIGHT_NORMAL + NETWORK_CHAT_LINE_SPACING)) {
DrawString(_chatmsg_box.x + 3, _chatmsg_box.x + _chatmsg_box.width - 1, _screen.height - _chatmsg_box.y - y + 1, _chatmsg_list[count].message, _chatmsg_list[count].colour);
}
/* Make sure the data is updated next flush */
_video_driver->MakeDirty(x, y, width, height);
_chatmessage_visible = true;
_chatmessage_dirty = false;
}
/**
* Add a text message to the 'chat window' to be shown
* @param colour The colour this message is to be shown in
* @param duration The duration of the chat message in seconds
* @param message message itself in printf() style
*/
void CDECL NetworkAddChatMessage(TextColour colour, uint duration, const char *message, ...)
{
char buf[DRAW_STRING_BUFFER];
const char *bufp;
va_list va;
uint msg_count;
uint16 lines;
va_start(va, message);
vsnprintf(buf, lengthof(buf), message, va);
va_end(va);
Utf8TrimString(buf, DRAW_STRING_BUFFER);
/* Force linebreaks for strings that are too long */
lines = GB(FormatStringLinebreaks(buf, lastof(buf), _chatmsg_box.width - 8), 0, 16) + 1;
if (lines >= MAX_CHAT_MESSAGES) return;
msg_count = GetChatMessageCount();
/* We want to add more chat messages than there is free space for, remove 'old' */
if (lines > MAX_CHAT_MESSAGES - msg_count) {
int i = lines - (MAX_CHAT_MESSAGES - msg_count);
memmove(&_chatmsg_list[0], &_chatmsg_list[i], sizeof(_chatmsg_list[0]) * (msg_count - i));
msg_count = MAX_CHAT_MESSAGES - lines;
}
for (bufp = buf; lines != 0; lines--) {
ChatMessage *cmsg = &_chatmsg_list[msg_count++];
strecpy(cmsg->message, bufp, lastof(cmsg->message));
/* The default colour for a message is company colour. Replace this with
* white for any additional lines */
cmsg->colour = (bufp == buf && (colour & TC_IS_PALETTE_COLOUR)) ? colour : TC_WHITE;
cmsg->remove_time = _realtime_tick + duration * 1000;
bufp += strlen(bufp) + 1; // jump to 'next line' in the formatted string
}
_chatmessage_dirty = true;
}
/**
* Add a text message to the 'chat window' to be shown
* @param colour The colour this message is to be shown in
* @param duration The duration of the chat message in seconds
* @param message message itself in printf() style
*/
void CDECL NetworkAddChatMessage(TextColour colour, uint duration, const char *message, ...)
{
char buf[DRAW_STRING_BUFFER];
va_list va;
va_start(va, message);
vsnprintf(buf, lengthof(buf), message, va);
va_end(va);
Utf8TrimString(buf, DRAW_STRING_BUFFER);
uint msg_count = GetChatMessageCount();
if (MAX_CHAT_MESSAGES == msg_count) {
memmove(&_chatmsg_list[0], &_chatmsg_list[1], sizeof(_chatmsg_list[0]) * (msg_count - 1));
msg_count = MAX_CHAT_MESSAGES - 1;
}
ChatMessage *cmsg = &_chatmsg_list[msg_count++];
strecpy(cmsg->message, buf, lastof(cmsg->message));
cmsg->colour = (colour & TC_IS_PALETTE_COLOUR) ? colour : TC_WHITE;
cmsg->remove_time = _realtime_tick + duration * 1000;
_chatmessage_dirty = true;
}
/** Draw the chat message-box */
void NetworkDrawChatMessage()
{
Blitter *blitter = BlitterFactory::GetCurrentBlitter();
if (!_chatmessage_dirty) return;
/* First undraw if needed */
NetworkUndrawChatMessage();
if (_iconsole_mode == ICONSOLE_FULL) return;
/* Check if we have anything to draw at all */
uint count = GetChatMessageCount();
if (count == 0) return;
int x = _chatmsg_box.x;
int y = _screen.height - _chatmsg_box.y - _chatmsg_box.height;
int width = _chatmsg_box.width;
int height = _chatmsg_box.height;
if (y < 0) {
height = max(height + y, min(_chatmsg_box.height, _screen.height));
y = 0;
}
if (x + width >= _screen.width) {
width = _screen.width - x;
}
if (width <= 0 || height <= 0) return;
assert(blitter->BufferSize(width, height) <= (int)(_chatmsg_box.width * _chatmsg_box.height * blitter->GetBytesPerPixel()));
/* Make a copy of the screen as it is before painting (for undraw) */
blitter->CopyToBuffer(blitter->MoveTo(_screen.dst_ptr, x, y), _chatmessage_backup, width, height);
_cur_dpi = &_screen; // switch to _screen painting
int string_height = 0;
for (uint i = 0; i < count; i++) {
SetDParamStr(0, _chatmsg_list[i].message);
string_height += GetStringLineCount(STR_JUST_RAW_STRING, width - 1) * FONT_HEIGHT_NORMAL + NETWORK_CHAT_LINE_SPACING;
}
string_height = min(string_height, MAX_CHAT_MESSAGES * (FONT_HEIGHT_NORMAL + NETWORK_CHAT_LINE_SPACING));
int top = _screen.height - _chatmsg_box.y - string_height - 2;
int bottom = _screen.height - _chatmsg_box.y - 2;
/* Paint a half-transparent box behind the chat messages */
GfxFillRect(_chatmsg_box.x, top - 2, _chatmsg_box.x + _chatmsg_box.width - 1, bottom,
PALETTE_TO_TRANSPARENT, FILLRECT_RECOLOUR // black, but with some alpha for background
);
/* Paint the chat messages starting with the lowest at the bottom */
int ypos = bottom - 2;
for (int i = count - 1; i >= 0; i--) {
ypos = DrawStringMultiLine(_chatmsg_box.x + 3, _chatmsg_box.x + _chatmsg_box.width - 1, top, ypos, _chatmsg_list[i].message, _chatmsg_list[i].colour, SA_LEFT | SA_BOTTOM | SA_FORCE) - NETWORK_CHAT_LINE_SPACING;
if (ypos < top) break;
}
/* Make sure the data is updated next flush */
_video_driver->MakeDirty(x, y, width, height);
_chatmessage_visible = true;
_chatmessage_dirty = false;
}
