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##### mkter (*.G3D, *.XML, *.TES -> *.TER, *.TGD)env["MKTER"] = findTool(R"$BUILD_PATH\mkter.exe", env)def mkterEmitter(target, source, env):    #TODO: XML -> DTD scanner?    source.append(getCourseActorDependencies(env))    source.append(master_env["GLOBAL_TEMPLATES_CACHE"])    source.append(env.File(r'$CONFIG_BUILD_PATH\terrain_settings.dtd'))    source.append(env["COURSE_MATERIAL_FILE"])    source.append(env["MKTER"])    return target, sourcedef mkterGenerator(target, source, env, for_signature):    options = ''    g3d = None    if env["LEVEL_AUTO_GRASS"]:        options += ' -autograss'    for s in source:        ext = s.scanner_key()        if ext == env["TXx"]:            options += ' -T %s' % s        elif ext == ".xml":            options += ' -xml %s' % s        elif ext == ".tes":            options += ' -tes %s' % s        elif ext == ".net":            options += ' -net %s' % s        elif ext == ".ubp":            options += ' -m %s' % s        elif ext == env["G3x"]:            g3d = s        elif ext in [".exe", ".txt", ".tda", ".dtd", ".cache"]:            pass        else:            raise BuilderException('mkterGenerator does not know how to handle the source "%s"' % s)    for t in target:        ext = t.scanner_key()        if ext == ".ter":            options += ' -o %s' % t        elif ext == ".tgd":            # Hack for xenon because it does not generate a .TER file            if env["DEST_PLATFORM"] == "xenon":                options += ' -o %s' % t        elif ext == ".xml":            options += ' -res %s' % t        elif ext == ".bip":            options += ' -grass %s' % os.path.splitext(str(t))[0]        elif ext in [".mcd", ".rkb"]:            pass        else:            raise BuilderException('mkterGenerator does not know how to handle the target "%s"' % t)    assert g3d    cmd = r'$MKTER -x $DEST_PLATFORM %s -d $GLOBAL_TESS_TEMPLATE_PATH -G $GLOBAL_TESS_PATH -C $CONFIG_BUILD_PATH %s' % (options, g3d)    if for_signature:        return cmd    return [cmd, checkTargets]env["BUILDERS"]["mkter"] = Builder(        generator = mkterGenerator,        emitter = mkterEmitter,    )