games/pink-pony: make compatible with Imath 3.0, update glfw dep

The LIB_DEPENDS on glfw2 was tightened up to check the .so major
version component, to avoid it picking up the incompatible glfw (3).

Reported by:	Koichiro Iwao (meta@)

games/pink-pony/Makefile

@@ -1,22 +1,19 @@
 PORTNAME=	pink-pony
 PORTVERSION=	1.4.1
-PORTREVISION=	28
+PORTREVISION=	29
 CATEGORIES=	games
 
 MAINTAINER=	amdmi3@FreeBSD.org
 COMMENT=	Tron-like multiplayer racing game
 
 LICENSE=	GPLv3+
 
-BROKEN=		depends on removed port graphics/ilmbase
-
 LIB_DEPENDS=	libIL.so:graphics/devil \
 		libprotobuf.so:devel/protobuf \
-		libglfw.so:graphics/glfw2 \
+		libglfw.so.0:graphics/glfw2 \
 		libftgl.so:graphics/ftgl \
-		libsigc-2.0.so:devel/libsigc++20
-# FIXME: which port has a drop-in replacement of libHalf.so?
-#		libHalf.so:graphics/ilmbase
+		libsigc-2.0.so:devel/libsigc++20 \
+		libImath.so:math/Imath
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	ginkgo

games/pink-pony/files/patch-SConstruct

@@ -1,17 +1,20 @@
 --- SConstruct.orig	2014-01-01 01:39:36 UTC
 +++ SConstruct
-@@ -3,11 +3,10 @@ import os
+@@ -3,13 +3,12 @@ import os
  optimization_flags = ['-O3']
  #optimization_flags = ['-O0', '-ggdb']
 
 -env = Environment()
-+env = Environment(ENV=os.environ, **dict((k, v.split()) for k, v in ARGUMENTS.items()))
 -env['CC'] = 'g++'
 -env['CCFLAGS'] = ['-Wall', '-Wextra', '-Wno-reorder', '-Wno-unused-parameter'] + optimization_flags
++env = Environment(ENV=os.environ, **dict((k, v.split()) for k, v in ARGUMENTS.items()))
 +env.Append(CCFLAGS = ['-Wall', '-Wextra', '-Wno-reorder', '-Wno-unused-parameter'])
  env['LIBS'] = ['GLU', 'GL', 'protobuf', 'IL']
 -env['CPPPATH'] = ['#', '#/src', '#/external/tinyXML', '#/external/flextGL/', '/usr/include/OpenEXR']
 +env['CPPPATH'] = ['#', '#/src', '#/external/tinyXML', '#/external/flextGL/']
 
- env.ParseConfig("pkg-config IlmBase --cflags --libs")
+-env.ParseConfig("pkg-config IlmBase --cflags --libs")
++env.ParseConfig("pkg-config Imath --cflags --libs")
  env.ParseConfig("pkg-config libglfw --cflags --libs")
+ env.ParseConfig("pkg-config ftgl --cflags --libs")
+ env.ParseConfig("pkg-config sigc++-2.0 --cflags --libs")

games/pink-pony/files/patch-src_Line.cc

@@ -0,0 +1,9 @@
+--- src/Line.cc.orig	2014-01-01 01:39:36 UTC
++++ src/Line.cc
+@@ -1,5 +1,5 @@
+ #include "Line.hh"
+-#include <ImathLimits.h>
++#include <halfLimits.h>
+
+ #define EPSILON limits<double>::epsilon()
+