add dm.sh, a simple wrapper around DreamMaker

Signed-off-by: Mloc <colmohici@gmail.com>

scripts/dm.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+dmepath=""
+retval=1
+
+for var; do
+    if [[ $var != -* && $var == *.dme ]]; then
+        dmepath=$(echo $var | sed -r 's/.{4}$//')
+        break
+    fi
+done
+
+if [[ $dmepath == "" ]]; then
+    echo "No .dme file specified, aborting."
+    exit 1
+fi
+
+if [[ -a $dmepath.mdme ]]; then
+    rm $dmepath.mdme
+fi
+
+cp $dmepath.dme $dmepath.mdme
+if [[ $? != 0 ]]; then
+    echo "Failed to make modified dme, aborting."
+    exit 2
+fi
+
+for var; do
+    arg=$(echo $var | sed -r 's/^.{2}//')
+    if [[ $var == -D* ]]; then
+        sed -i '1s!^!#define '$arg'\n!' $dmepath.mdme
+    elif [[ $var == -I* ]]; then
+        sed -i 's!// BEGIN_INCLUDE!// BEGIN_INCLUDE\n#include "'$arg'"!' $dmepath.mdme
+    elif [[ $var == -M* ]]; then
+        sed -i '1s/^/#define MAP_OVERRIDE\n/' $dmepath.mdme
+        sed -i 's!// BEGIN_INCLUDE!// BEGIN_INCLUDE\n#include "_maps\\'$arg'.dm"!' $dmepath.mdme
+    fi
+done
+
+source "$( dirname "${BASH_SOURCE[0]}" )/sourcedm.sh"
+
+if [[ $DM == "" ]]; then
+    echo "Couldn't find the DreamMaker executable, aborting."
+    exit 3
+fi
+
+"$DM" $dmepath.mdme
+retval=$?
+
+mv $dmepath.mdme.dmb $dmepath.dmb
+mv $dmepath.mdme.rsc $dmepath.rsc
+
+rm $dmepath.mdme
+
+exit $retval

scripts/sourcedm.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+if [[ $(uname) == MINGW* ]]
+then
+    if hash dm.exe 2>/dev/null
+    then
+        export DM='dm.exe'
+        return 0
+    elif [[ -a '/c/Program Files (x86)/BYOND/bin/dm.exe' ]]
+    then
+        export DM='/c/Program Files (x86)/BYOND/bin/dm.exe'
+        return 0
+    elif [[ -a '/c/Program Files/BYOND/bin/dm.exe' ]]
+    then
+        export DM='/c/Program Files/BYOND/bin/dm.exe'
+        return 0
+    fi
+else
+    if hash DreamMaker 2>/dev/null
+    then
+        export DM='DreamMaker'
+        return 0
+    elif [[ -a '/usr/bin/DreamMaker' ]]
+    then
+        export DM='/usr/bin/DreamMaker'
+        return 0
+    elif [[ -a '/usr/share/byond/bin/DreamMaker' ]]
+    then
+        export DM='/usr/share/byond/bin/DreamMaker'
+        return 0
+    fi
+fi
+
+export DM=''
+return 1