##### 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, source

def 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,
    )