From e0e86f47140eb2f6544574c4b33c4d8984c58896 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Fri, 15 Aug 2008 23:00:56 +0000
Subject: (svn r14081) -Fix (r14075): WoW64 spoiled the 64 bits Windows
 detection and the installer for the 64 bits binary installed in the wrong
 directory. Thanks to michi_cc and glx for testing.

---
 os/win32/installer/install.nsi       | 13 ++++++-------
 os/win32/installer/version_win32.txt |  1 +
 os/win32/installer/version_win64.txt |  1 +
 os/win32/installer/version_win9x.txt |  1 +
 4 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/os/win32/installer/install.nsi b/os/win32/installer/install.nsi
index b16a988fc..7e7f20519 100644
--- a/os/win32/installer/install.nsi
+++ b/os/win32/installer/install.nsi
@@ -31,7 +31,6 @@ VIAddVersionKey "LegalCopyright" " "
 Name "${APPNAMEANDVERSION} ${APPBITS} bits version ${EXTRA_VERSION}"
 
 ; NOTE: Keep trailing backslash!
-InstallDir "$PROGRAMFILES\OpenTTD\"
 InstallDirRegKey HKLM "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "Install Folder"
 OutFile "openttd-${APPVERSION}-${APPARCH}.exe"
 CRCCheck force
@@ -395,8 +394,9 @@ Function GetWindowsVersion
 	ClearErrors
 	StrCpy $R0 "winnt"
 
-	ReadRegStr $R1 HKLM "SOFTWARE\MICROSOFT\WINDOWS NT\CurrentVersion" CurrentVersion
-	IfErrors 0 WinNT
+	GetVersion::WindowsPlatformId
+	Pop $R0
+	IntCmp $R0 2 WinNT 0
 	StrCpy $R0 "win9x"
 WinNT:
 	ClearErrors
@@ -406,10 +406,9 @@ FunctionEnd
 ;-------------------------------------------------------------------------------
 ; Check whether we're not running an installer for 64 bits on 32 bits and vice versa
 Function CheckProcessorArchitecture
-	cpudesc::tell
-	Pop $0                     ;full identification string in $0
-	StrCpy $1 $0 2, 56         ;pull out the architecture
-	StrCmp $1 "00" 0 Win64
+	GetVersion::WindowsPlatformArchitecture
+	Pop $R0
+	IntCmp $R0 64 Win64 0
 	ClearErrors
 	IntCmp ${APPBITS} 64 0 Done
 	MessageBox MB_OKCANCEL|MB_ICONSTOP "You want to install the 64 bits OpenTTD on a 32 bits Operating System. This is not going to work. Please download the correct version. Do you really want to continue?" IDOK Done IDCANCEL Abort
diff --git a/os/win32/installer/version_win32.txt b/os/win32/installer/version_win32.txt
index d6314b8f0..ed7f77e3d 100644
--- a/os/win32/installer/version_win32.txt
+++ b/os/win32/installer/version_win32.txt
@@ -2,3 +2,4 @@
 !define EXTRA_VERSION "for Windows 2000, XP and Vista"
 !define APPARCH "win32"     ; Define the application architecture
 !define BINARY_DIR "${PATH_ROOT}objs\win32\Release"
+InstallDir "$PROGRAMFILES32\OpenTTD\"
diff --git a/os/win32/installer/version_win64.txt b/os/win32/installer/version_win64.txt
index ed96e3105..3c84447b6 100644
--- a/os/win32/installer/version_win64.txt
+++ b/os/win32/installer/version_win64.txt
@@ -2,3 +2,4 @@
 !define EXTRA_VERSION "for Windows XP and Vista"
 !define APPARCH "win64"     ; Define the application architecture
 !define BINARY_DIR "${PATH_ROOT}objs\x64\Release"
+InstallDir "$PROGRAMFILES64\OpenTTD\"
diff --git a/os/win32/installer/version_win9x.txt b/os/win32/installer/version_win9x.txt
index 25ccc23c2..be20888e5 100644
--- a/os/win32/installer/version_win9x.txt
+++ b/os/win32/installer/version_win9x.txt
@@ -2,3 +2,4 @@
 !define EXTRA_VERSION "for Windows 95, 98 and ME"
 !define APPARCH "win9x"     ; Define the application architecture
 !define BINARY_DIR "${PATH_ROOT}bin"
+InstallDir "$PROGRAMFILES32\OpenTTD\"
-- 
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