+/**
+ * @brief Returns a horizontal line
+ * @details Returns a graphical horizontal line of length len, but never wider than the
+ * console. Includes a newline, unless len is >= to the console width
+ * @note Authored by johnfitz
+ *
+ * @param[in] len Length of the horizontal line
+ *
+ * @return A string of the line
+ */
+const char *Con_Quakebar(int len, char *bar, size_t barsize)
+{
+ assert(barsize >= 5);
+
+ len = min(len, (int)barsize - 2);
+ len = min(len, con_linewidth);
+
+ bar[0] = '\35';
+ memset(&bar[1], '\36', len - 2);
+ bar[len - 1] = '\37';
+
+ if (len < con_linewidth)
+ {
+ bar[len] = '\n';
+ bar[len + 1] = 0;
+ }
+ else
+ bar[len] = 0;
+
+ return bar;
+}
+
+/**
+ * @brief Left-pad a string with spaces to make it appear centered
+ * @note Authored by johnfitz
+ *
+ * @param[in] maxLineLength Center-align
+ * @param[in] fmt A printf format string
+ * @param[in] <unnamed> Zero or more values used by fmt
+ */
+void Con_CenterPrintf(int maxLineLength, const char *fmt, ...)
+{
+ va_list argptr;
+ char msg[MAX_INPUTLINE]; // the original message
+ char spaces[21]; // buffer for spaces
+ char *msgCursor, *lineEnding;
+ int lineLength, msgLength;
+ size_t indentSize;
+
+ va_start(argptr, fmt);
+ msgLength = dpvsnprintf(msg, sizeof (msg), fmt, argptr);
+ va_end(argptr);
+
+ if (msgLength < 0)
+ {
+ Con_Printf(CON_WARN "The message given to Con_CenterPrintf was too long\n");
+ return;
+ }
+
+ maxLineLength = min(maxLineLength, con_linewidth);
+
+ for (msgCursor = msg; *msgCursor;)
+ {
+ lineEnding = strchr(msgCursor, '\n');
+ if (lineEnding)
+ {
+ lineLength = lineEnding - msgCursor; // print just the line
+ lineEnding++; // set cursor to next character after new line
+ }
+ else // last line
+ {
+ lineLength = msgLength; // print entire message
+ lineEnding = msgCursor + lineLength; // set next line cursor to terminator
+ }
+
+ if (lineLength < maxLineLength)
+ {
+ indentSize = min(sizeof(spaces) - 1, (size_t)(maxLineLength - lineLength) / 2);
+ memset(spaces, ' ', indentSize);
+ spaces[indentSize] = 0;
+ Con_MaskPrintf(CON_MASK_HIDENOTIFY, "%s%.*s\n", spaces, lineLength, msgCursor);
+ }
+ else
+ Con_MaskPrintf(CON_MASK_HIDENOTIFY, "%.*s\n", lineLength, msgCursor);
+ msgLength -= lineEnding - msgCursor; // Consume all characters until end of line
+ msgCursor = lineEnding; // Update message cursor
+ }
+}
+
+/**
+ * @brief Prints a center-aligned message to the console
+ * @note Authored by johnfitz
+ *
+ * @param[in] str A multiline string to print
+ */
+void Con_CenterPrint(const char *str)
+{
+ char bar[42];
+
+ Con_MaskPrintf(CON_MASK_HIDENOTIFY, "%s", Con_Quakebar(40, bar, sizeof(bar)));
+ Con_CenterPrintf(40, "%s\n", str);
+ Con_MaskPrintf(CON_MASK_HIDENOTIFY, "%s", bar);
+}
+
+
+
projects / xonotic / darkplaces.git / blobdiff