From e4add0d07a30c3c405a3029f627e825cbd8c3bd0 Mon Sep 17 00:00:00 2001
From: Fabian Greffrath <fabian@greffrath.com>
Date: Fri, 10 Mar 2023 12:03:35 +0100
Subject: [PATCH] always draw demo status bar with the lightest and darkest
 color available

Fixes visibility in Tetanus
---
 src/hu_stuff.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/hu_stuff.c b/src/hu_stuff.c
index 9262ecff..303359e5 100644
--- a/src/hu_stuff.c
+++ b/src/hu_stuff.c
@@ -380,6 +380,16 @@ static char* ColorByHealth(int health, int maxhealth, boolean invul)
     return colrngs[CR_BLUE];
 }
 
+static int lightest_color, darkest_color;
+
+static void HU_InitDemoProgressBar (void)
+{
+  byte *playpal = W_CacheLumpName("PLAYPAL", PU_STATIC);
+
+  lightest_color = I_GetPaletteIndex(playpal, 0xFF, 0xFF, 0xFF);
+  darkest_color  = I_GetPaletteIndex(playpal, 0x00, 0x00, 0x00);
+}
+
 //
 // HU_Init()
 //
@@ -481,6 +491,8 @@ void HU_Init(void)
   // [FG] support crosshair patches from extras.wad
   HU_InitCrosshair();
 
+  HU_InitDemoProgressBar();
+
   HU_ParseHUD();
 
   // [Woof!] prepare player messages for colorization
@@ -1340,8 +1352,8 @@ boolean HU_DemoProgressBar(boolean force)
     return false;
   }
 
-  V_DrawHorizLine(0, SCREENHEIGHT - 2, FG, progress, colormaps[0][0]); // [crispy] black
-  V_DrawHorizLine(0, SCREENHEIGHT - 1, FG, progress, colormaps[0][4]); // [crispy] white
+  V_DrawHorizLine(0, SCREENHEIGHT - 2, FG, progress, darkest_color);
+  V_DrawHorizLine(0, SCREENHEIGHT - 1, FG, progress, lightest_color);
 
   return true;
 }