From 6d6766663bc3f8df72809798c113ea7799a06134 Mon Sep 17 00:00:00 2001
From: Nico de Poel <ndepoel@gmail.com>
Date: Wed, 25 Jan 2023 11:15:14 +0100
Subject: [PATCH] Realized we can include the UV offsets into the UVs stored in
 the exported map file, so we don't need to add those at runtime. Easy
 performance win.

---
 main.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/main.cpp b/main.cpp
index f5c166a..68b6a4b 100644
--- a/main.cpp
+++ b/main.cpp
@@ -187,8 +187,8 @@ int process_faces(const world_t* world, const std::vector<ps1bsp_texture_t>& tex
 			if (minT < 0 || maxT > 1) t = (t - minT) / tRange;
 
 			// Rescale the UVs to the dimensions of the mipmap we've selected for our texture atlas
-			faceVertex.u = (unsigned char)(s * (ps1tex.w - 1));
-			faceVertex.v = (unsigned char)(t * (ps1tex.h - 1));
+			faceVertex.u = (unsigned char)(s * (ps1tex.w - 1)) + ps1tex.uoffs;
+			faceVertex.v = (unsigned char)(t * (ps1tex.h - 1)) + ps1tex.voffs;
 
 			outFaceVertices.push_back(faceVertex);
 		}