From 47a95ac76bbfa2c3ac6558fbd415b5bcd949d49e Mon Sep 17 00:00:00 2001
From: NepDisk <nepdisk@noreply.codeberg.org>
Date: Thu, 9 Oct 2025 02:46:34 -0400
Subject: [PATCH] Port Saturn alternative FPS Counters

---
 src/screen.c  | 75 ++++++++++++++++++++++++++++++++++-----------------
 src/v_video.c |  3 ++-
 src/v_video.h |  7 +++++
 3 files changed, 60 insertions(+), 25 deletions(-)

diff --git a/src/screen.c b/src/screen.c
index 4fb4965e2..c4bc47775 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -601,41 +601,68 @@ void SCR_CalculateFPS(void)
 
 void SCR_DisplayTicRate(void)
 {
-	const UINT8 *ticcntcolor = NULL;
 	UINT32 cap = R_GetFramerateCap();
 	UINT32 benchmark = (cap == 0) ? I_GetRefreshRate() : cap;
-	INT32 x = 318;
 	double fps = round(averageFPS);
+	INT32 fpsflags = V_LocalTransFlag()|V_SNAPTOBOTTOM|V_SNAPTORIGHT;
 
-	// draw "FPS"
-	V_DrawFixedPatch(306<<FRACBITS, 183<<FRACBITS, FRACUNIT, V_SNAPTOBOTTOM|V_SNAPTORIGHT, framecounter, R_GetTranslationColormap(TC_RAINBOW, SKINCOLOR_YELLOW, GTC_CACHE));
-
-	if (fps > (benchmark * 0.9))
-		ticcntcolor = R_GetTranslationColormap(TC_RAINBOW, SKINCOLOR_MINT, GTC_CACHE);
-	else if (fps < (benchmark * 0.5))
-		ticcntcolor = R_GetTranslationColormap(TC_RAINBOW, SKINCOLOR_RASPBERRY, GTC_CACHE);
-
-	if (cap != 0)
+	if (cv_ticrate.value == 1 || cv_ticrate.value == 2)
 	{
-		UINT32 digits = 1;
-		UINT32 c2 = cap;
+		const UINT8 *ticcntcolor = NULL;
+		INT32 x = 318;
 
-		while (c2 > 0)
+		// draw "FPS"
+		if (cv_ticrate.value == 1)
+			V_DrawFixedPatch(306<<FRACBITS, 183<<FRACBITS, FRACUNIT, fpsflags, framecounter, R_GetTranslationColormap(TC_RAINBOW, SKINCOLOR_YELLOW, GTC_CACHE));
+
+		if (fps > (benchmark * 0.9))
+			ticcntcolor = R_GetTranslationColormap(TC_RAINBOW, SKINCOLOR_MINT, GTC_CACHE);
+		else if (fps < (benchmark * 0.5))
+			ticcntcolor = R_GetTranslationColormap(TC_RAINBOW, SKINCOLOR_RASPBERRY, GTC_CACHE);
+
+		if (cap != 0)
 		{
-			c2 = c2 / 10;
-			digits++;
+			UINT32 digits = 1;
+			UINT32 c2 = cap;
+
+			while (c2 > 0)
+			{
+				c2 = c2 / 10;
+				digits++;
+			}
+
+			// draw total frame:
+			V_DrawPingNum(x, 190, fpsflags, cap, ticcntcolor);
+			x -= digits * 4;
+
+			// draw "/"
+			V_DrawFixedPatch(x<<FRACBITS, 190<<FRACBITS, FRACUNIT, fpsflags, frameslash, ticcntcolor);
 		}
 
-		// draw total frame:
-		V_DrawPingNum(x, 190, V_SNAPTOBOTTOM|V_SNAPTORIGHT, cap, ticcntcolor);
-		x -= digits * 4;
-
-		// draw "/"
-		V_DrawFixedPatch(x<<FRACBITS, 190<<FRACBITS, FRACUNIT, V_SNAPTOBOTTOM|V_SNAPTORIGHT, frameslash, ticcntcolor);
+		// draw our actual framerate
+		V_DrawPingNum(x, 190, fpsflags, fps, ticcntcolor);
 	}
+	else if (cv_ticrate.value == 3 || cv_ticrate.value == 4) // kart v1.0/srb2 counter
+	{
+		const char *fps_string;
+		INT32 ticcntcolor2 = 0;
 
-	// draw our actual framerate
-	V_DrawPingNum(x, 190, V_SNAPTOBOTTOM|V_SNAPTORIGHT, fps, ticcntcolor);
+		if (fps > (benchmark - 5))
+			ticcntcolor2 = V_GREENMAP;
+		else if (fps < 20)
+			ticcntcolor2 = V_REDMAP;
+
+		if (cap != 0)
+			fps_string = va("%d/%d\x82", (INT32)fps, cap);
+		else
+			fps_string = va("%d\x82", (INT32)fps);
+
+		// draw "FPS"
+		if (cv_ticrate.value == 3)
+			V_DrawRightAlignedString(319, 181, V_YELLOWMAP|fpsflags, "FPS");
+
+		V_DrawRightAlignedString(319, 190, ticcntcolor2|fpsflags, fps_string);
+	}
 }
 
 // SCR_DisplayLocalPing
diff --git a/src/v_video.c b/src/v_video.c
index e2bab2fa6..50b9a6713 100644
--- a/src/v_video.c
+++ b/src/v_video.c
@@ -58,7 +58,8 @@ UINT8 *screens[5];
 // screens[3] = fade screen start
 // screens[4] = fade screen end, postimage tempoarary buffer
 
-consvar_t cv_ticrate = CVAR_INIT ("showfps", "No", CV_SAVE, CV_YesNo, NULL);
+static CV_PossibleValue_t fps_cons_t[] = {{0, "No"}, {1, "Normal"}, {2, "Compact"}, {3, "Old"}, {4, "Old Compact"}, {0, NULL}};
+consvar_t cv_ticrate = CVAR_INIT ("showfps", "No", CV_SAVE, fps_cons_t, NULL);
 
 static void CV_palette_OnChange(void);
 
diff --git a/src/v_video.h b/src/v_video.h
index 445a990cd..53185fde5 100644
--- a/src/v_video.h
+++ b/src/v_video.h
@@ -17,6 +17,7 @@
 #include "doomdef.h"
 #include "doomtype.h"
 #include "r_defs.h"
+#include "r_main.h"
 
 // SRB2Kart
 #include "hu_stuff.h" // fonts
@@ -368,6 +369,12 @@ INT32 V_ThinSubStringWidth(const char *string, INT32 length, INT32 option);
 
 INT32 V_SubStringLengthToFit(const char *string, INT32 width, INT32 option);
 
+// this is pretty dumb, but has to be done like this, otherwise the fps counter just disappears sometimes for no reason lol
+FUNCINLINE static ATTRINLINE INT32 V_LocalTransFlag(void)
+{
+	return ((10-cv_translucenthud.value)*V_10TRANS);
+}
+
 void V_DoPostProcessor(INT32 view, INT32 param);
 
 void V_DrawPatchFill(patch_t *pat);