rnd-20100521-1-src

[rocksndiamonds.git] / src / libgame / text.c

diff --git a/src/libgame/text.c b/src/libgame/text.c
index f781a56359f7bde43b887737dde568edf687bb9c..23de7cac548849a90e4c395a35391e9b0b1fb640 100644 (file)
--- a/src/libgame/text.c
+++ b/src/libgame/text.c
@@ -107,11 +107,13 @@ static void FreeFontClipmasks()
 #endif /* TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND */
 
 void InitFontInfo(struct FontBitmapInfo *font_bitmap_info, int num_fonts,
-                 int (*select_font_function)(int))
+                 int (*select_font_function)(int),
+                 int (*get_font_from_token_function)(char *))
 {
   gfx.num_fonts = num_fonts;
   gfx.font_bitmap_info = font_bitmap_info;
   gfx.select_font_function = select_font_function;
+  gfx.get_font_from_token_function = get_font_from_token_function;
 
 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
   InitFontClipmasks();
@@ -186,13 +188,38 @@ void getFontCharSource(int font_nr, char c, Bitmap **bitmap, int *x, int *y)
 }
 
 
+/* ========================================================================= */
+/* text string helper functions                                              */
+/* ========================================================================= */
+
+int maxWordLengthInString(char *text)
+{
+  char *text_ptr;
+  int max_word_len = 0;
+
+  for (text_ptr = text; *text_ptr; text_ptr++)
+    max_word_len = (*text_ptr != ' ' ? max_word_len + 1 : 0);
+
+  return max_word_len;
+}
+
+
 /* ========================================================================= */
 /* simple text drawing functions                                             */
 /* ========================================================================= */
 
-void DrawInitText(char *text, int ypos, int font_nr)
+void DrawInitTextExt(char *text, int ypos, int font_nr, boolean force)
 {
+  static unsigned long progress_delay = 0;
+  unsigned long progress_delay_value = 100;    /* (in milliseconds) */
+
+  UPDATE_BUSY_STATE();
+
+  if (!force && !DelayReached(&progress_delay, progress_delay_value))
+    return;
+
   if (window != NULL &&
+      gfx.draw_init_text &&
       gfx.num_fonts > 0 &&
       gfx.font_bitmap_info[font_nr].bitmap != NULL)
   {
@@ -209,6 +236,16 @@ void DrawInitText(char *text, int ypos, int font_nr)
   }
 }
 
+void DrawInitText(char *text, int ypos, int font_nr)
+{
+  DrawInitTextExt(text, ypos, font_nr, TRUE);
+}
+
+void DrawInitTextIfNeeded(char *text, int ypos, int font_nr)
+{
+  DrawInitTextExt(text, ypos, font_nr, FALSE);
+}
+
 void DrawTextF(int x, int y, int font_nr, char *format, ...)
 {
   char buffer[MAX_OUTPUT_LINESIZE + 1];
@@ -251,6 +288,11 @@ void DrawTextSCentered(int y, int font_nr, char *text)
           gfx.sy + y, text, font_nr);
 }
 
+void DrawTextCentered(int y, int font_nr, char *text)
+{
+  DrawText((gfx.sxsize - getTextWidth(text, font_nr)) / 2, y, text, font_nr);
+}
+
 void DrawTextSAligned(int x, int y, char *text, int font_nr, int align)
 {
   DrawText(gfx.sx + ALIGNED_XPOS(x, getTextWidth(text, font_nr), align),
@@ -702,7 +744,8 @@ static boolean getCheckedTokenValueFromString(char *string, char **token,
 }
 
 static void DrawTextBuffer_Flush(int x, int y, char *buffer, int font_nr,
-                                int line_length, int cut_length, int mask_mode,
+                                int line_length, int cut_length,
+                                int line_spacing, int mask_mode,
                                 boolean centered, int current_line)
 {
   int buffer_len = strlen(buffer);
@@ -713,7 +756,7 @@ static void DrawTextBuffer_Flush(int x, int y, char *buffer, int font_nr,
     (centered ? font_width * (line_length - buffer_len) / 2 : 0);
   int final_cut_length = MAX(0, cut_length - offset_chars);
   int xx = x + offset_xsize;
-  int yy = y + current_line * font_height;
+  int yy = y + current_line * (font_height + line_spacing);
 
   buffer[final_cut_length] = '\0';
 
@@ -725,8 +768,8 @@ static void DrawTextBuffer_Flush(int x, int y, char *buffer, int font_nr,
 
 int DrawTextBuffer(int x, int y, char *text_buffer, int font_nr,
                   int line_length, int cut_length, int max_lines,
-                  int mask_mode, boolean autowrap, boolean centered,
-                  boolean skip_comments)
+                  int line_spacing, int mask_mode, boolean autowrap,
+                  boolean centered, boolean parse_comments)
 {
 #if 0
   int font_width = getFontWidth(font_nr);
@@ -753,7 +796,11 @@ int DrawTextBuffer(int x, int y, char *text_buffer, int font_nr,
     char line[MAX_LINE_LEN + 1];
     char *line_ptr;
     boolean last_line_was_empty = TRUE;
+#if 1
+    int num_line_chars = MAX_LINE_LEN;
+#else
     int num_line_chars = (autowrap ? MAX_LINE_LEN : line_length);
+#endif
     int i;
 
     /* copy next line from text buffer to line buffer (nearly fgets() style) */
@@ -767,7 +814,7 @@ int DrawTextBuffer(int x, int y, char *text_buffer, int font_nr,
       text_buffer++;
 
     /* skip comments (lines directly beginning with '#') */
-    if (line[0] == '#' && skip_comments)
+    if (line[0] == '#' && parse_comments)
     {
       char *token, *value;
 
@@ -778,7 +825,7 @@ int DrawTextBuffer(int x, int y, char *text_buffer, int font_nr,
        if (buffer_len > 0 && current_line < max_lines)
        {
          DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length,
-                              mask_mode, centered, current_line);
+                              line_spacing, mask_mode, centered, current_line);
 
          current_line++;
 
@@ -786,12 +833,14 @@ int DrawTextBuffer(int x, int y, char *text_buffer, int font_nr,
          buffer_len = 0;
        }
 
-       if (strEqual(token, ".autowrap"))
+       if (strEqual(token, ".font"))
+         font_nr = gfx.get_font_from_token_function(value);
+       else if (strEqual(token, ".autowrap"))
          autowrap = get_boolean_from_string(value);
        else if (strEqual(token, ".centered"))
          centered = get_boolean_from_string(value);
-       else if (strEqual(token, ".skip_comments"))
-         skip_comments = get_boolean_from_string(value);
+       else if (strEqual(token, ".parse_comments"))
+         parse_comments = get_boolean_from_string(value);
       }
 
       continue;
@@ -830,7 +879,6 @@ int DrawTextBuffer(int x, int y, char *text_buffer, int font_nr,
        }
        else
        {
-         /* !!! CAN NEVER HAPPEN -- CHECK + CORRECT !!! */
          buffer_len = line_length;
          strncpy(buffer, line_ptr, line_length);
        }
@@ -845,7 +893,7 @@ int DrawTextBuffer(int x, int y, char *text_buffer, int font_nr,
       {
 #if 1
        DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length,
-                            mask_mode, centered, current_line);
+                            line_spacing, mask_mode, centered, current_line);
 #else
        int offset_chars = (centered ? (line_length - buffer_len) / 2 : 0);
        int offset_xsize =
@@ -876,7 +924,7 @@ int DrawTextBuffer(int x, int y, char *text_buffer, int font_nr,
   {
 #if 1
     DrawTextBuffer_Flush(x, y, buffer, font_nr, line_length, cut_length,
-                        mask_mode, centered, current_line);
+                        line_spacing, mask_mode, centered, current_line);
 #else
     int offset_chars = (centered ? (line_length - buffer_len) / 2 : 0);
        int offset_xsize =
@@ -901,14 +949,14 @@ int DrawTextBuffer(int x, int y, char *text_buffer, int font_nr,
 
 int DrawTextFile(int x, int y, char *filename, int font_nr,
                 int line_length, int cut_length, int max_lines,
-                int mask_mode, boolean autowrap, boolean centered,
-                boolean skip_comments)
+                int line_spacing, int mask_mode, boolean autowrap,
+                boolean centered, boolean parse_comments)
 {
   char *text_buffer = GetTextBufferFromFile(filename, MAX_LINES_FROM_FILE);
   int num_lines_printed = DrawTextBuffer(x, y, text_buffer, font_nr,
                                         line_length, cut_length, max_lines,
-                                        mask_mode, autowrap, centered,
-                                        skip_comments);
+                                        line_spacing, mask_mode, autowrap,
+                                        centered, parse_comments);
   checked_free(text_buffer);
 
   return num_lines_printed;