From 795dce12722bccaecc6422d0b9db7f94116945e5 Mon Sep 17 00:00:00 2001
From: tylermurphy534 <tylermurphy534@gmail.com>
Date: Fri, 30 Sep 2022 11:28:38 -0400
Subject: [PATCH] greedy mesh texturing

---
 src/chunk.cpp | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/src/chunk.cpp b/src/chunk.cpp
index 3563fc9..3542455 100644
--- a/src/chunk.cpp
+++ b/src/chunk.cpp
@@ -132,21 +132,28 @@ void AddVertex(xe::Model::Data& data, glm::vec3 Pos, glm::vec3 Nor, FMask Mask,
 
 void CreateQuad(xe::Model::Data& data, FMask Mask, glm::vec3 AxisMask, glm::vec3 V1, glm::vec3 V2, glm::vec3 V3, glm::vec3 V4, uint32_t width, uint32_t height) {
   const auto Normal = glm::vec3(AxisMask) * glm::vec3(Mask.normal);
-  std::vector<glm::vec3> verticies = {V4, V2, V3, V1};
+  std::vector<glm::vec3> verticies = {V1, V2, V3, V4};
 
   float uv[4][2];
   
-  uv[0][0] = height; uv[0][1] = width;
+  if(AxisMask.x == 1) {
+    uv[0][0] = height; uv[0][1] = width;
     uv[1][0] = height; uv[1][1] = 0;
     uv[2][0] = 0; uv[2][1] = width;
     uv[3][0] = 0; uv[3][1] = 0;
+  } else {
+    uv[0][0] = width; uv[0][1] = height;
+    uv[1][0] = 0; uv[1][1] = height;
+    uv[2][0] = width; uv[2][1] = 0;
+    uv[3][0] = 0; uv[3][1] = 0;
+  }
 
-    AddVertex(data, verticies[0], Normal, Mask, AxisMask, uv[1]);
-    AddVertex(data, verticies[2 + Mask.normal], Normal, Mask, AxisMask, uv[2]);
-    AddVertex(data, verticies[2 - Mask.normal], Normal, Mask, AxisMask, uv[0]);
-    AddVertex(data, verticies[3], Normal, Mask, AxisMask, uv[2]);
-    AddVertex(data, verticies[1 - Mask.normal], Normal, Mask, AxisMask, uv[1]);
-    AddVertex(data, verticies[1 + Mask.normal], Normal, Mask, AxisMask, uv[3]);
+  AddVertex(data, verticies[0], Normal, Mask, AxisMask, uv[0]);
+  AddVertex(data, verticies[2 - Mask.normal], Normal, Mask, AxisMask, uv[2 - Mask.normal]);
+  AddVertex(data, verticies[2 + Mask.normal], Normal, Mask, AxisMask, uv[2 + Mask.normal]);
+  AddVertex(data, verticies[3], Normal, Mask, AxisMask, uv[3]);
+  AddVertex(data, verticies[1 + Mask.normal], Normal, Mask, AxisMask, uv[1 + Mask.normal]);
+  AddVertex(data, verticies[1 - Mask.normal], Normal, Mask, AxisMask, uv[1 - Mask.normal]);
 
 }
 
@@ -236,8 +243,8 @@ void Chunk::createMesh(Chunk* c) {
               ChunkItr + DeltaAxis1,
               ChunkItr + DeltaAxis2,
               ChunkItr + DeltaAxis1 + DeltaAxis2,
-              height,
-              width
+              width,
+              height
             );
 
             DeltaAxis1 = glm::vec3(0.f);