added dynamically calculating text properties for door request dialogs

[rocksndiamonds.git] / src / tools.c

diff --git a/src/tools.c b/src/tools.c
index 40ac8d37c5289442b6a76f12d963f279975be07b..c000d097f9a5d0110bfb589a1975829599ab1340 100644 (file)
--- a/src/tools.c
+++ b/src/tools.c
@@ -646,9 +646,11 @@ void DrawMaskedBorderToTarget(int draw_target)
   }
 }
 
-void DrawTileCursor(int draw_target)
+void DrawTileCursor(int draw_target, int drawing_stage)
 {
-  DrawTileCursor_MM(draw_target, game_status == GAME_MODE_PLAYING);
+  int tile_cursor_active = (game_status == GAME_MODE_PLAYING);
+
+  DrawTileCursor_MM(draw_target, drawing_stage, tile_cursor_active);
 }
 
 void BlitScreenToBitmapExt_RND(Bitmap *target_bitmap, int fx, int fy)
@@ -4475,10 +4477,6 @@ void WaitForEventToContinue(void)
   }
 }
 
-#define MAX_REQUEST_LINES              13
-#define MAX_REQUEST_LINE_FONT1_LEN     7
-#define MAX_REQUEST_LINE_FONT2_LEN     10
-
 static int RequestHandleEvents(unsigned int req_state, int draw_buffer_game)
 {
   boolean game_ended = (game_status == GAME_MODE_PLAYING && checkGameEnded());
@@ -4793,6 +4791,12 @@ static int RequestHandleEvents(unsigned int req_state, int draw_buffer_game)
 
 static void DoRequestBefore(void)
 {
+  boolean game_ended = (game_status == GAME_MODE_PLAYING && checkGameEnded());
+
+  // when showing request dialog after game ended, deactivate game panel
+  if (game_ended)
+    game.panel.active = FALSE;
+
   if (game_status == GAME_MODE_PLAYING)
     BlitScreenToBitmap(backbuffer);
 
@@ -4840,23 +4844,54 @@ static void DoRequestAfter(void)
     TapeDeactivateDisplayOn();
 }
 
+static void setRequestDoorTextProperties(char *text,
+                                        int text_spacing,
+                                        int line_spacing,
+                                        int *set_font_nr,
+                                        int *set_max_lines,
+                                        int *set_max_line_length)
+{
+  struct RectWithBorder *vp_door_1 = &viewport.door_1[game_status];
+  struct TextPosInfo *pos = &request.button.confirm;
+  int button_ypos = pos->y;
+  int font_nr = FONT_TEXT_2;
+  int font_width = getFontWidth(font_nr);
+  int font_height = getFontHeight(font_nr);
+  int line_height = font_height + line_spacing;
+  int max_text_width  = vp_door_1->width;
+  int max_text_height = button_ypos - 2 * text_spacing;
+  int max_line_length = max_text_width  / font_width;
+  int max_lines       = max_text_height / line_height;
+
+  if (maxWordLengthInRequestString(text) > max_line_length)
+  {
+    font_nr = FONT_TEXT_1;
+    font_width = getFontWidth(font_nr);
+    max_line_length = max_text_width  / font_width;
+  }
+
+  *set_font_nr = font_nr;
+  *set_max_lines = max_lines;
+  *set_max_line_length = max_line_length;
+}
+
 static void DrawRequestDoorText(char *text)
 {
   char *text_ptr = text;
-  int max_request_line_len = MAX_REQUEST_LINE_FONT1_LEN;
-  int font_nr = FONT_TEXT_2;
+  int text_spacing = 8;
+  int line_spacing = 2;
+  int max_request_lines;
+  int max_request_line_len;
+  int font_nr;
   int ty;
 
   // force DOOR font inside door area
   SetFontStatus(GAME_MODE_PSEUDO_DOOR);
 
-  if (maxWordLengthInRequestString(text) > MAX_REQUEST_LINE_FONT1_LEN)
-  {
-    max_request_line_len = MAX_REQUEST_LINE_FONT2_LEN;
-    font_nr = FONT_TEXT_1;
-  }
+  setRequestDoorTextProperties(text, text_spacing, line_spacing, &font_nr,
+                              &max_request_lines, &max_request_line_len);
 
-  for (text_ptr = text, ty = 0; ty < MAX_REQUEST_LINES; ty++)
+  for (text_ptr = text, ty = 0; ty < max_request_lines; ty++)
   {
     char text_line[max_request_line_len + 1];
     int tx, tl, tc = 0;
@@ -4885,7 +4920,7 @@ static void DrawRequestDoorText(char *text)
     text_line[tl] = 0;
 
     DrawText(DX + (DXSIZE - tl * getFontWidth(font_nr)) / 2,
-            DY + 8 + ty * (getFontHeight(font_nr) + 2),
+            DY + text_spacing + ty * (getFontHeight(font_nr) + line_spacing),
             text_line, font_nr);
 
     text_ptr += tl + (tc == ' ' ? 1 : 0);
@@ -4894,14 +4929,12 @@ static void DrawRequestDoorText(char *text)
   ResetFontStatus();
 }
 
-static boolean RequestDoor(char *text, unsigned int req_state)
+static int RequestDoor(char *text, unsigned int req_state)
 {
-  int draw_buffer_last = GetDrawtoField();
   unsigned int old_door_state = GetDoorState();
+  int draw_buffer_last = GetDrawtoField();
   int result;
 
-  DoRequestBefore();
-
   if (old_door_state & DOOR_OPEN_1)
   {
     CloseDoor(DOOR_CLOSE_1);
@@ -4941,18 +4974,14 @@ static boolean RequestDoor(char *text, unsigned int req_state)
       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
   }
 
-  DoRequestAfter();
-
   return result;
 }
 
-static boolean RequestEnvelope(char *text, unsigned int req_state)
+static int RequestEnvelope(char *text, unsigned int req_state)
 {
   int draw_buffer_last = GetDrawtoField();
   int result;
 
-  DoRequestBefore();
-
   DrawEnvelopeRequest(text, req_state);
   ShowEnvelopeRequest(text, req_state, ACTION_OPENING);
 
@@ -4963,30 +4992,27 @@ static boolean RequestEnvelope(char *text, unsigned int req_state)
 
   ShowEnvelopeRequest(text, req_state, ACTION_CLOSING);
 
-  DoRequestAfter();
-
   return result;
 }
 
-boolean Request(char *text, unsigned int req_state)
+int Request(char *text, unsigned int req_state)
 {
-  boolean game_ended = (game_status == GAME_MODE_PLAYING && checkGameEnded());
   boolean overlay_enabled = GetOverlayEnabled();
-  boolean result;
-
-  // when showing request dialog after game ended, deactivate game panel
-  if (game_ended)
-    game.panel.active = FALSE;
+  int result;
 
   game.request_active = TRUE;
 
   SetOverlayEnabled(FALSE);
 
+  DoRequestBefore();
+
   if (global.use_envelope_request)
     result = RequestEnvelope(text, req_state);
   else
     result = RequestDoor(text, req_state);
 
+  DoRequestAfter();
+
   SetOverlayEnabled(overlay_enabled);
 
   game.request_active = FALSE;