Added patch to implement vertical text alignment (for subtitles) - from Nic

- adds alignment to Commander, Druuge, illwrath, yehat, and Utwig


git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@557 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/ChangeLog

@@ -1,4 +1,5 @@
 Changes towards version 0.2:
+- Added vertical alignment for subtitles (text runs off screen fix)-from Nic
 - Updated infinity text/symbol for RUs - from fOSSiL, Nic
 - Split away DCQ-specific code into its own header file
 - Added correct lander font - from fOSSiL

sc2/src/sc2code/comm.c

@@ -101,6 +101,61 @@ enum
 };
 static int subtitle_state = DONE_SUBTITLE;
 
+/* _count_lines - mostly stolen from add_text, just sees how many lines
+                  a given input string would take to display given the
+                  line wrapping information */
+static int _count_lines (PTEXT pText) 
+{
+	COUNT maxchars = (COUNT)~0;
+	UNICODE ch, *pStr;
+	SIZE text_width;
+	int num = 0;
+
+	text_width = CommData.AlienTextWidth;
+	SetContextFont (CommData.AlienFont);
+
+	pStr = pText->pStr;
+
+	do
+	{
+		++num;
+		pText->pStr = pStr;
+		pText->CharCount = 1;
+
+		{
+			BOOLEAN eot;
+			RECT r, old_r;
+			COUNT OldCount;
+
+			GetContextClipRect (&r);
+			eot = FALSE;
+			do
+			{
+				old_r = r;
+				OldCount = pText->CharCount;
+				while (!(eot = (BOOLEAN)(
+						(ch = *++pStr) == '\0'
+						|| ch == '\n'
+						|| ch == '\r'
+						|| (COUNT)(pStr - pText->pStr) >= maxchars
+						)) && ch != ' ')
+					;
+				pText->CharCount = pStr - pText->pStr;
+				TextRect (pText, &r, NULL_PTR);
+			} while (!eot && r.extent.width < text_width);
+
+			if (r.extent.width >= text_width)
+			{
+				pText->CharCount = OldCount;
+				r = old_r;
+			}
+		}
+		pStr = pText->pStr + pText->CharCount;
+	} while ((ch = *pStr++) != '\0' && ch != '\n' && ch != '\r' && maxchars);
+	pText->pStr = pStr;
+
+	return (num);
+}
 
 static COORD
 add_text (int status, PTEXT pTextIn)
@@ -111,6 +166,7 @@ add_text (int status, PTEXT pTextIn)
 	SIZE leading;
 	UNICODE ch, *pStr;
 	SIZE text_width;
+	int num_lines = 0;
 
 	BatchGraphics ();
 
@@ -162,6 +218,15 @@ add_text (int status, PTEXT pTextIn)
 	numchars = 0;
 	pStr = pText->pStr;
 
+	if (status > 0 && (CommData.AlienTextTemplate.valign & (VALIGN_MIDDLE|VALIGN_BOTTOM))) {
+		num_lines = _count_lines(pText);
+		if (CommData.AlienTextTemplate.valign == VALIGN_BOTTOM)
+			pText->baseline.y -= (leading * num_lines);
+		else if (CommData.AlienTextTemplate.valign == VALIGN_MIDDLE)
+			pText->baseline.y -= ((leading * num_lines) / 2);
+		if (pText->baseline.y < 0) pText->baseline.y = 0;
+	}
+
 	do
 	{
 		pText->pStr = pStr;

sc2/src/sc2code/comm/comandr/comandr.c

@@ -663,6 +663,7 @@ init_commander_comm ()
 	commander_desc.AlienTextTemplate.baseline.x = 164;
 	commander_desc.AlienTextTemplate.baseline.y = 20;
 	commander_desc.AlienTextTemplate.align = ALIGN_CENTER;
+	commander_desc.AlienTextTemplate.valign = VALIGN_MIDDLE;
 
 	SET_GAME_STATE (BATTLE_SEGUE, 0);
 	retval = &commander_desc;

sc2/src/sc2code/comm/druuge/druugec.c

@@ -883,8 +883,9 @@ init_druuge_comm (void)
 
 	druuge_desc.AlienTextTemplate.baseline.x =
 			TEXT_X_OFFS + (SIS_TEXT_WIDTH >> 1);
-	druuge_desc.AlienTextTemplate.baseline.y = 64;
+	druuge_desc.AlienTextTemplate.baseline.y = 70;
 	druuge_desc.AlienTextTemplate.align = ALIGN_CENTER;
+	druuge_desc.AlienTextTemplate.valign = VALIGN_MIDDLE;
 	druuge_desc.AlienTextWidth = SIS_TEXT_WIDTH - 16;
 
 	if ((GET_GAME_STATE (DRUUGE_MANNER) == 0

sc2/src/sc2code/comm/ilwrath/ilwrathc.c

@@ -603,8 +603,9 @@ init_ilwrath_comm (void)
 
 	ilwrath_desc.AlienTextTemplate.baseline.x =
 			TEXT_X_OFFS + (SIS_TEXT_WIDTH >> 1);
-	ilwrath_desc.AlienTextTemplate.baseline.y = 64;
+	ilwrath_desc.AlienTextTemplate.baseline.y = 70;
 	ilwrath_desc.AlienTextTemplate.align = ALIGN_CENTER;
+	ilwrath_desc.AlienTextTemplate.valign = VALIGN_MIDDLE;
 	ilwrath_desc.AlienTextWidth = SIS_TEXT_WIDTH - 16;
 
 	if (GET_GAME_STATE (PROBE_ILWRATH_ENCOUNTER)

sc2/src/sc2code/comm/rebel/rebel.c

@@ -414,8 +414,9 @@ init_rebel_yehat_comm (void)
 	yehat_desc.uninit_encounter_func = uninit_yehat;
 
 	yehat_desc.AlienTextTemplate.baseline.x = SIS_SCREEN_WIDTH * 2 / 3;
-	yehat_desc.AlienTextTemplate.baseline.y = 107 * 2 / 3;
+	yehat_desc.AlienTextTemplate.baseline.y = 100;
 	yehat_desc.AlienTextTemplate.align = ALIGN_CENTER;
+	yehat_desc.AlienTextTemplate.valign = VALIGN_BOTTOM;
 	yehat_desc.AlienTextWidth = (SIS_TEXT_WIDTH - 16) * 2 / 3;
 
 	SET_GAME_STATE (BATTLE_SEGUE, 0);

sc2/src/sc2code/comm/starbas/starbas.c

@@ -1929,6 +1929,7 @@ init_starbase_comm ()
 	commander_desc.AlienTextTemplate.baseline.x = 164;
 	commander_desc.AlienTextTemplate.baseline.y = 20;
 	commander_desc.AlienTextTemplate.align = ALIGN_CENTER;
+	commander_desc.AlienTextTemplate.valign = VALIGN_MIDDLE;
 
 	CurBulletinMask = 0;
 	SET_GAME_STATE (BATTLE_SEGUE, 0);

sc2/src/sc2code/comm/utwig/utwigc.c

@@ -929,8 +929,9 @@ init_utwig_comm (void)
 
 	utwig_desc.AlienTextTemplate.baseline.x =
 			TEXT_X_OFFS + (SIS_TEXT_WIDTH >> 1);
-	utwig_desc.AlienTextTemplate.baseline.y = 64;
+	utwig_desc.AlienTextTemplate.baseline.y = 70;
 	utwig_desc.AlienTextTemplate.align = ALIGN_CENTER;
+	utwig_desc.AlienTextTemplate.valign = VALIGN_MIDDLE;
 	utwig_desc.AlienTextWidth = SIS_TEXT_WIDTH - 16;
 
 	if (GET_GAME_STATE (UTWIG_HAVE_ULTRON)

sc2/src/sc2code/comm/yehat/yehatc.c

@@ -647,8 +647,9 @@ init_yehat_comm (void)
 	yehat_desc.uninit_encounter_func = uninit_yehat;
 
 	yehat_desc.AlienTextTemplate.baseline.x = SIS_SCREEN_WIDTH * 2 / 3;
-	yehat_desc.AlienTextTemplate.baseline.y = 107 * 2 / 3;
+	yehat_desc.AlienTextTemplate.baseline.y = 100;
 	yehat_desc.AlienTextTemplate.align = ALIGN_CENTER;
+	yehat_desc.AlienTextTemplate.valign = VALIGN_BOTTOM;
 	yehat_desc.AlienTextWidth = (SIS_TEXT_WIDTH - 16) * 2 / 3;
 
 	if (LOBYTE (GLOBAL (CurrentActivity)) != WON_LAST_BATTLE)

sc2/src/sc2code/libs/gfxlib.h

@@ -115,11 +115,19 @@ typedef enum
 	ALIGN_RIGHT
 } TEXT_ALIGN;
 
+typedef enum
+{
+	VALIGN_TOP,
+	VALIGN_MIDDLE,
+	VALIGN_BOTTOM
+} TEXT_VALIGN;
+
 typedef struct text
 {
 	POINT baseline;
 	UNICODE *pStr;
 	TEXT_ALIGN align;
+	TEXT_VALIGN valign;
 	COUNT CharCount;
 } TEXT;
 typedef TEXT *PTEXT;