From b859c1accbb2bf7b19f634346528458ccf11b6f1 Mon Sep 17 00:00:00 2001
From: Chris Xiong <chirs241097@gmail.com>
Date: Tue, 13 Feb 2018 00:27:21 +0800
Subject: Fixed building on Microsoft(R) Windows(TM), a.k.a. the most advanced
 operating system ever.

---
 smelt/glfw/gfx_glfw.cpp       |  2 +-
 smelt/glfw/smelt_internal.hpp | 10 ++++++----
 smelt/glfw/smmath_priv.hpp    |  2 +-
 3 files changed, 8 insertions(+), 6 deletions(-)

(limited to 'smelt/glfw')

diff --git a/smelt/glfw/gfx_glfw.cpp b/smelt/glfw/gfx_glfw.cpp
index d8135e8..c545073 100644
--- a/smelt/glfw/gfx_glfw.cpp
+++ b/smelt/glfw/gfx_glfw.cpp
@@ -730,7 +730,7 @@ void SMELT_IMPL::configProjectionMatrix2D(int w,int h)
 void SMELT_IMPL::configProjectionMatrix3D(int w,int h,float fov)
 {
 	memset(mproj,0,sizeof(mproj));
-	float f=1./tanf(M_PI*fov/360.);
+	float f=1./tanf(PI*fov/360.);
 	float ar=(float)w/(float)h;
 	float Near=0.1,Far=1000.;
 	mproj[0]=f/ar;mproj[5]=f;
diff --git a/smelt/glfw/smelt_internal.hpp b/smelt/glfw/smelt_internal.hpp
index 5b82bf6..d7ec3c9 100644
--- a/smelt/glfw/smelt_internal.hpp
+++ b/smelt/glfw/smelt_internal.hpp
@@ -18,8 +18,14 @@
 #include <cstdlib>
 #include <ctime>
 #include <cstdarg>
+#ifdef WIN32
+#include <windows.h>
+#include <intrin.h>
+#define strcasecmp _stricmp
+#else
 #include <dirent.h>
 #include <unistd.h>
+#endif
 #define GLEW_STATIC
 #include <GL/glew.h>
 #include <GLFW/glfw3.h>
@@ -32,10 +38,6 @@
 #include <vorbis/vorbisfile.h>
 #endif
 #endif
-#ifdef WIN32
-#include <windows.h>
-#include <intrin.h>
-#endif
 
 #define xstr(s) str(s)
 #define str(s) #s
diff --git a/smelt/glfw/smmath_priv.hpp b/smelt/glfw/smmath_priv.hpp
index ac62335..d906b89 100644
--- a/smelt/glfw/smmath_priv.hpp
+++ b/smelt/glfw/smmath_priv.hpp
@@ -15,7 +15,7 @@
 #define sqr(x) ((x)*(x))
 #define EPS 1e-6
 #ifndef PI
-#define PI 3.14159265358979323846f
+#define PI 3.14159265358979323846264338327950288f
 #endif
 
 class _smMath
-- 
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