uild FAILED.

       "D:\a\1\s\projects\openttd_vs141.sln" (default target) (1) ->
       "D:\a\1\s\projects\openttd_vs141.vcxproj" (default target) (2) ->
       (ClCompile target) -> 
         d:\a\1\s\src\viewport.cpp(2920): warning C4551: function call missing argument list [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3155): warning C4551: function call missing argument list [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\commands_gui.cpp(596): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\commands_gui.cpp(618): warning C4267: 'argument': conversion from 'size_t' to 'unsigned int', possible loss of data [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\rail_gui.cpp(112): warning C4838: conversion from 'RailType' to 'uint32' requires a narrowing conversion [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\rail_gui.cpp(112): warning C4838: conversion from 'Track' to 'uint32' requires a narrowing conversion [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\citymania\base64.cpp(85): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\citymania\base64.cpp(96): warning C4267: '=': conversion from 'size_t' to 'unsigned char', possible loss of data [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\citymania\base64.cpp(113): warning C4267: '=': conversion from 'size_t' to 'unsigned char', possible loss of data [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\saveload\citymania_sl.cpp(35): warning C4267: 'argument': conversion from 'size_t' to 'uint32', possible loss of data [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\saveload\citymania_sl.cpp(91): warning C4267: 'argument': conversion from 'size_t' to 'uint32', possible loss of data [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\saveload\citymania_sl.cpp(257): warning C4101: 'e': unreferenced local variable [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\saveload\storage_sl.cpp(88): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data [D:\a\1\s\projects\openttd_vs141.vcxproj]


       "D:\a\1\s\projects\openttd_vs141.sln" (default target) (1) ->
       "D:\a\1\s\projects\openttd_vs141.vcxproj" (default target) (2) ->
       (ClCompile target) -> 
         d:\a\1\s\src\viewport.cpp(2796): error C2061: syntax error: identifier 'Polyline' [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2874): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2875): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2876): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2877): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2879): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2880): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2881): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2882): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2887): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2911): error C2061: syntax error: identifier 'Polyline' [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2920): error C2146: syntax error: missing ';' before identifier 'polyline' [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2920): error C2065: 'polyline': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2921): error C2065: 'polyline': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2926): error C2065: 'polyline': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2927): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2930): error C2065: 'polyline': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2930): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2933): error C2065: 'polyline': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2933): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2936): error C2065: 'ret': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(2936): error C2065: 'polyline': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3155): error C2146: syntax error: missing ';' before identifier 'line' [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3155): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3162): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3164): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3167): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3175): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3178): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3179): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3180): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3181): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3182): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3189): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3189): error C2660: 'PointDirToTrackdir': function does not take 1 arguments [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3193): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3194): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3195): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3196): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3201): error C2065: 'line': undeclared identifier [D:\a\1\s\projects\openttd_vs141.vcxproj]
         d:\a\1\s\src\viewport.cpp(3201): error C2660: 'PointDirToTrackdir': function does not take 1 arguments [D:\a\1\s\projects\openttd_vs141.vcxproj]

    13 Warning(s)
    41 Error(s)