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(svn r25452) -Codechange: let the chat messages be drawn like the console messages; drawing complete multiline strings from the bottom, instead of manually breaking the strings and drawing those

This commit is contained in:
rubidium 2013-06-23 20:44:18 +00:00
parent 798f472552
commit ed36aa0458
1 changed files with 24 additions and 31 deletions
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55
src/network/network_chat_gui.cpp
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@ -81,10 +81,7 @@ static inline uint GetChatMessageCount()
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);
@ -92,29 +89,16 @@ void CDECL NetworkAddChatMessage(TextColour colour, uint duration, const char *m
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;
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;
}
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 *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;
}
@ -246,18 +230,27 @@ void NetworkDrawChatMessage()
_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,
_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,
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 */
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);
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 */