From b0662de90f2a3df64a2d63b0ddb24354cd5e5ea7 Mon Sep 17 00:00:00 2001
From: Eric Wasylishen <ewasylishen@gmail.com>
Date: Tue, 21 Feb 2017 16:02:04 -0700
Subject: [PATCH] light: add some stuff to faceextents_t

---
 light/ltface2.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/light/ltface2.cc b/light/ltface2.cc
index d6cff5d8..ee248563 100644
--- a/light/ltface2.cc
+++ b/light/ltface2.cc
@@ -135,6 +135,7 @@ public:
     int width() const { return m_texsize[0] + 1; }
     int height() const { return m_texsize[1] + 1; }
     int numsamples() const { return width() * height(); }
+    glm::ivec2 texsize() const { return glm::ivec2(width(), height()); }
     
     int indexOf(const glm::ivec2 &lm) const {
         Q_assert(lm.x >= 0 && lm.x < width());
@@ -171,6 +172,14 @@ public:
         
         return glm::vec3( res[0], res[1], res[2] );
     }
+    
+    glm::vec2 worldToLMCoord(glm::vec3 world) const {
+        return TexCoordToLMCoord(worldToTexCoord(world));
+    }
+    
+    glm::vec3 LMCoordToWorld(glm::vec2 lm) const {
+        return texCoordToWorld(LMCoordToTexCoord(lm));
+    }
 };
 
 class sample_t {