fixed drawing initial header and item text to screen

This commit partially reverts and fixes commit 6c9f59b4, removing a
speed bottleneck introduced by that commit, while keeping the fix from
that commit that should prevent not displaying the first of a series
of items displayed together with a header text.

diff --git a/src/libgame/text.c b/src/libgame/text.c
index 117c9b1cda08765556a2549163ab6326a8559221..17475e8c721247b0d92a51532229275e6676e78b 100644 (file)
--- a/src/libgame/text.c
+++ b/src/libgame/text.c
@@ -136,8 +136,12 @@ int maxWordLengthInRequestString(char *text)
 // simple text drawing functions
 // ============================================================================
 
-void DrawInitText(char *text, int ypos, int font_nr)
+static void DrawInitTextExt(char *text, int ypos, int font_nr, boolean update)
 {
+  LimitScreenUpdates(TRUE);
+
+  UPDATE_BUSY_STATE();
+
   if (window != NULL &&
       gfx.draw_init_text &&
       gfx.num_fonts > 0 &&
@@ -151,28 +155,24 @@ void DrawInitText(char *text, int ypos, int font_nr)
     ClearRectangle(drawto, 0, y, width, height);
     DrawTextExt(drawto, x, y, text, font_nr, BLIT_OPAQUE);
 
-    BlitBitmap(drawto, window, 0, 0, video.width, video.height, 0, 0);
+    if (update)
+      BlitBitmap(drawto, window, 0, 0, video.width, video.height, 0, 0);
   }
 }
 
-void DrawInitTextHead(char *text)
+void DrawInitText(char *text, int ypos, int font_nr)
 {
-  // always draw headlines when loading initial stuff
-  LimitScreenUpdates(FALSE);
-
-  UPDATE_BUSY_STATE();
+  DrawInitTextExt(text, ypos, font_nr, FALSE);
+}
 
-  DrawInitText(text, 120, FC_GREEN);
+void DrawInitTextHead(char *text)
+{
+  DrawInitTextExt(text, 120, FC_GREEN, FALSE);
 }
 
 void DrawInitTextItem(char *text)
 {
-  // limit drawing (potentially many) loading items
-  LimitScreenUpdates(TRUE);
-
-  UPDATE_BUSY_STATE();
-
-  DrawInitText(text, 150, FC_YELLOW);
+  DrawInitTextExt(text, 150, FC_YELLOW, TRUE);
 }
 
 void DrawTextF(int x, int y, int font_nr, char *format, ...)