#!/bin/bash

# $Id$

# This file is part of OpenTTD.
# OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
# OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.

# This file generates all project files based on sources.list, so everyone who
#  can start a bash process, can update the project files.

ROOT_DIR="`pwd`/.."
if ! [ -e "$ROOT_DIR/source.list" ]
then
	ROOT_DIR="`pwd`"
fi
if ! [ -e "$ROOT_DIR/source.list" ]
then
	echo "Can't find source.list, needed in order to make this run. Please go to either"
	echo " the project dir, or the root dir of a clean SVN checkout."
	exit 1
fi

# openttd_vs100.sln             is for MSVC 2010
# openttd_vs100.vcxproj         is for MSVC 2010
# openttd_vs100.vcxproj.filters is for MSVC 2010
# langs_vs100.vcxproj           is for MSVC 2010
# strgen_vs100.vcxproj          is for MSVC 2010
# strgen_vs100.vcxproj.filters  is for MSVC 2010
# generate_vs100.vcxproj        is for MSVC 2010
# version_vs100.vcxproj         is for MSVC 2010

# openttd_vs90.sln              is for MSVC 2008
# openttd_vs90.vcproj           is for MSVC 2008
# langs_vs90.vcproj             is for MSVC 2008
# strgen_vs90.vcproj            is for MSVC 2008
# generate_vs90.vcproj          is for MSVC 2008
# version_vs90.vcproj           is for MSVC 2008

# openttd_vs80.sln              is for MSVC 2005
# openttd_vs80.vcproj           is for MSVC 2005
# langs_vs80.vcproj             is for MSVC 2005
# strgen_vs80.vcproj            is for MSVC 2005
# generate_vs80.vcproj          is for MSVC 2005
# version_vs80.vcproj           is for MSVC 2005



# First, collect the list of Windows files
allegro_config=""
sdl_config="1"
png_config="1"
os="MSVC"
enable_dedicated="0"
enable_ai="1"
with_cocoa="0"
enable_directmusic="1"
with_threads="1"
file_prefix="..\\\\src\\\\"

safety_check() {
	li=""
	for i in `cat $1 | grep -v "#\|ottdres.rc\|win32.cpp\|win32_v.cpp" | xargs -n 1 basename | sort`; do
		if [ "$li" = "$i" ]; then
			echo " !! ERROR !!"
			echo ""
			echo "The filename '$i' is already used in this project."
			echo "Because MSVC uses one single directory for all object files, it"
			echo "cannot handle filenames with the same name inside the same project."
			echo "Please rename either one of the file and try generating again."
			echo ""
			echo " !! ERROR !!"
			exit 1
		fi
		li="$i"
	done
}

grep '\.h' "$ROOT_DIR/source.list" | grep -v '../objs/langs/table/strings.h' | sed 's/	//' | sort > tmp.headers.source.list
find "$ROOT_DIR/src" \( -iname "*.h" -or -iname "*.hpp" \) -and -not -ipath "*/.svn/*" | sed "s~$ROOT_DIR/src/~~" | sort > tmp.headers.src
if [ -n "`diff tmp.headers.source.list tmp.headers.src`" ]; then
	echo "The following headers are missing in source.list and not in /src/ or vice versa."
	diff tmp.headers.source.list tmp.headers.src | grep '[<>]' | sort
	echo ""
fi
rm tmp.headers.*

load_main_data() {
	# Read the source.list and process it
	RES="`cat $1 | tr '\r' '\n' | awk '
		/^(	*)#end/  { if (deep == skip) { skip -= 1; } deep -= 1; next; }
		/^(	*)#else/ { if (deep == skip) { skip -= 1; } else if (deep - 1 == skip) { skip += 1; } next; }
		/^(	*)#if/   {
			gsub("	", "", $0);
			gsub("^#if", "", $0);
			gsub("^ ", "", $0);

			if (deep != skip) { deep += 1; next; }

			deep += 1;

			if ($0 == "ALLEGRO"     && "'$allegro_config'" == "")      { next; }
			if ($0 == "SDL"         && "'$sdl_config'" == "")          { next; }
			if ($0 == "PNG"         && "'$png_config'" == "")          { next; }
			if ($0 == "OSX"         && "'$os'" != "OSX")               { next; }
			if ($0 == "OS2"         && "'$os'" != "OS2")               { next; }
			if ($0 == "PSP"         && "'$os'" != "PSP")               { next; }
			if ($0 == "DOS"         && "'$os'" != "DOS")               { next; }
			if ($0 == "DEDICATED"   && "'$enable_dedicated'" != "1")   { next; }
			if ($0 == "AI"          && "'$enable_ai'" == "0")          { next; }
			if ($0 == "COCOA"       && "'$with_cocoa'" == "0")         { next; }
			if ($0 == "BEOS"        && "'$os'" != "BEOS")              { next; }
			if ($0 == "WIN32"       && "'$os'" != "MINGW" &&
											"'$os'" != "CYGWIN" && "'$os'" != "MSVC" ) { next; }
			if ($0 == "WINCE"       && "'$os'" != "WINCE")             { next; }
			if ($0 == "MSVC"        && "'$os'" != "MSVC")              { next; }
			if ($0 == "DIRECTMUSIC" && "'$enable_directmusic'" != "1") { next; }
			if ($0 == "LIBTIMIDITY" && "'$libtimidity'" == "" )        { next; }
			if ($0 == "HAVE_THREAD" && "'$with_threads'" == "0")       { next; }

			skip += 1;

			next;
		}
		/^(	*)#/ {
			if (deep == skip) {
				gsub("	", "", $0);
				gsub("^#", "", $0);
				gsub("^ ", "", $0);

				if (first_time != 0) {
					print "#1		</Filter>";
				} else {
					first_time = 1;
				}

				filter = $0;
				print "#1		<Filter";
				print "#1			Name=\\""filter"\\"";
				print "#1			>";
				print "#3    <Filter Include=\\""filter"\\">";
				printf "#3      <UniqueIdentifier>{c76ff9f1-1e62-46d8-8d55-%012d}</UniqueIdentifier>\n", i;
				print "#3    </Filter>";
				i += 1;
			}

			next;
		}
		/^$/ { next }
		{
			if (deep == skip) {
				gsub("	", "", $0);
				gsub("/", "\\\\", $0);
				print "#1			<File";
				print "#1				RelativePath=\\".\\\\'$file_prefix'"$0"\\"";
				print "#1				>";
				print "#1			</File>";
				split($0, file, ".");
				cltype = "ClInclude"
				if (file[2] == "cpp") cltype = "ClCompile";
				if (file[2] == "rc") cltype = "ResourceCompile";
				print "#2    <"cltype" Include=\\"'$file_prefix'"$0"\\" />";
				print "#4    <"cltype" Include=\\"'$file_prefix'"$0"\\">";
				print "#4      <Filter>"filter"</Filter>";
				print "#4    </"cltype">";
			}
		}
		END { print "#1		</Filter>"; }
	'`"

	eval "$2=\"\$RES\""
}

load_lang_data() {
	RES=""
	for i in `ls $1`
	do
		i=`basename $i | sed s~.txt$~~g`
		RES="$RES
#1		<File
#1			RelativePath=\"..\\src\\lang\\"$i".txt\"
#1			>
#1			<FileConfiguration
#1				Name=\"Debug|Win32\"
#1				>
#1				<Tool
#1					Name=\"VCCustomBuildTool\"
#1					Description=\"Generating "$i" language file\"
#1					CommandLine=\"..\\objs\\strgen\\strgen.exe -s ..\\src\\lang -d ..\\bin\\lang &quot;\$(InputPath)&quot;&#x0D;&#x0A;exit 0&#x0D;&#x0A;\"
#1					AdditionalDependencies=\"..\\src\\lang\\english.txt;..\\objs\\strgen\\strgen.exe\"
#1					Outputs=\"..\\bin\\lang\\"$i".lng\"
#1				/>
#1			</FileConfiguration>
#1		</File>
#2    <CustomBuild Include=\"..\\src\\lang\\"$i".txt\">
#2      <Message Condition=\"'\$(Configuration)|\$(Platform)'=='Debug|Win32'\">Generating "$i" language file</Message>
#2      <Command Condition=\"'\$(Configuration)|\$(Platform)'=='Debug|Win32'\">..\\objs\\strgen\\strgen.exe -s ..\\src\\lang -d ..\\bin\\lang \"%(FullPath)\"</Command>
#2      <AdditionalInputs Condition=\"'\$(Configuration)|\$(Platform)'=='Debug|Win32'\">..\\src\\lang\\english.txt;..\\objs\\strgen\\strgen.exe;%(AdditionalInputs)</AdditionalInputs>
#2      <Outputs Condition=\"'\$(Configuration)|\$(Platform)'=='Debug|Win32'\">..\\bin\\lang\\"$i".lng;%(Outputs)</Outputs>
#2    </CustomBuild>"
	done

	eval "$2=\"\$RES\""
}

generate() {
	echo "Generating $2..."
	if [ $# -eq 3 ]; then
		# Everything above the !!FILTERS!! marker
		cat "$ROOT_DIR/projects/$2".in | tr '\r' '\n' | awk '
			/^$/ { next }
			/!!FILTERS!!/ { stop = 1; }
			{
				if (stop == 0) { print $0 }
			}
		' > "$ROOT_DIR/projects/$2"

		echo "$3" >> "$ROOT_DIR/projects/$2"

		# Everything below the !!FILTERS!! marker and above the !!FILES!! marker
		cat "$ROOT_DIR/projects/$2".in | tr '\r' '\n' | awk '
			BEGIN { stop = 1; }
			/^$/ { next }
			/!!FILTERS!!/ { stop = 2; }
			/!!FILES!!/ { stop = 1; }
			{
				if (stop == 0) { print $0 }
				if (stop == 2) { stop = 0 }
			}
		' >> "$ROOT_DIR/projects/$2"
	else
		# Everything above the !!FILES!! marker
		cat "$ROOT_DIR/projects/$2".in | tr '\r' '\n' | awk '
			/^$/ { next }
			/!!FILES!!/ { stop = 1; }
			{
				if (stop == 0) { print $0 }
			}
		' > "$ROOT_DIR/projects/$2"
	fi

	echo "$1" >> "$ROOT_DIR/projects/$2"

	# Everything below the !!FILES!! marker
	cat "$ROOT_DIR/projects/$2".in | tr '\r' '\n' | awk '
		BEGIN { stop = 1; }
		/^$/ { next }
		/!!FILES!!/ { stop = 2; }
		{
			if (stop == 0) { print $0 }
			if (stop == 2) { stop = 0 }
		}
	' >> "$ROOT_DIR/projects/$2"
}

safety_check "$ROOT_DIR/source.list"

load_main_data "$ROOT_DIR/source.list" openttd
openttdfiles=`echo "$openttd" | grep "^#4" | sed "s~#4~~g"`
openttdfilters=`echo "$openttd" | grep "^#3" | sed "s~#3~~g"`
openttdvcxproj=`echo "$openttd" | grep "^#2" | sed "s~#2~~g"`
openttd=`echo "$openttd" | grep "^#1" | sed "s~#1~~g"`

load_lang_data "$ROOT_DIR/src/lang/*.txt" lang
langvcxproj=`echo "$lang" | grep "^#2" | sed "s~#2~~g"`
lang=`echo "$lang" | grep "^#1" | sed "s~#1~~g"`

generate "$openttd" "openttd_vs80.vcproj"
generate "$openttd" "openttd_vs90.vcproj"
generate "$openttdvcxproj" "openttd_vs100.vcxproj"
generate "$openttdfiles" "openttd_vs100.vcxproj.filters" "$openttdfilters"
generate "$lang" "langs_vs80.vcproj"
generate "$lang" "langs_vs90.vcproj"
generate "$langvcxproj" "langs_vs100.vcxproj"