From 601b39378dfe8471e252b59b68337d61d9037589 Mon Sep 17 00:00:00 2001
From: toaster <rollerorbital@gmail.com>
Date: Sat, 6 Jan 2024 23:17:45 +0000
Subject: [PATCH] Precache static level graphics

---
 src/hu_stuff.c   | 6 ++++++
 src/k_menudraw.c | 2 +-
 src/r_defs.h     | 1 +
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/hu_stuff.c b/src/hu_stuff.c
index 427a0b8c4..8803d3252 100644
--- a/src/hu_stuff.c
+++ b/src/hu_stuff.c
@@ -97,6 +97,7 @@ static char hu_tick;
 
 patch_t *missingpat;
 patch_t *blanklvl, *nolvl;
+patch_t *unvisitedlvl[4];
 
 // song credits
 static patch_t *songcreditbg;
@@ -196,6 +197,11 @@ void HU_LoadGraphics(void)
 	HU_UpdatePatch(&blanklvl, "BLANKLVL");
 	HU_UpdatePatch(&nolvl, "M_NOLVL");
 
+	for (i = 0; i < 4; i++)
+	{
+		HU_UpdatePatch(&unvisitedlvl[i], "PREVST0%d", i+1);
+	}
+
 	HU_UpdatePatch(&songcreditbg, "K_SONGCR");
 
 	// cache ping gfx:
diff --git a/src/k_menudraw.c b/src/k_menudraw.c
index edba3b6c2..96b0b4f98 100644
--- a/src/k_menudraw.c
+++ b/src/k_menudraw.c
@@ -2724,9 +2724,9 @@ static void M_DrawCupPreview(INT16 y, levelsearch_t *levelsearch)
 	}
 	else
 	{
-		patch_t *st = W_CachePatchName(va("PREVST0%d", (cupgrid.previewanim % 4) + 1), PU_CACHE);
 		while (x < BASEVIDWIDTH * FRACUNIT)
 		{
+			patch_t *st = unvisitedlvl[cupgrid.previewanim % 4];
 			V_DrawFixedPatch(x + FRACUNIT, (y+2) * FRACUNIT, FRACUNIT, 0, st, NULL);
 			x += step;
 		}
diff --git a/src/r_defs.h b/src/r_defs.h
index 33933bed4..4a05ad7bb 100644
--- a/src/r_defs.h
+++ b/src/r_defs.h
@@ -900,6 +900,7 @@ struct patch_t
 
 extern patch_t *missingpat;
 extern patch_t *blanklvl, *nolvl;
+extern patch_t *unvisitedlvl[4];
 
 #if defined(_MSC_VER)
 #pragma pack(1)