Widescreen experiment: native render size via dxwrapper, classic menus

- mods/widescreen: redirect the world view's reads of the 1024.0/768.0
  constants and the 3D ortho extents to our variables; render size =
  monitor; relocate the world view's tile draw list (1750 entries, no
  bounds check) into an enlarged object (16384 entries).
- mods/dxwrapper: route DirectDraw through dxwrapper (Dd7to9, D3D9) since
  Windows' D3D7 cannot render to targets larger than 2048; fix the game's
  device info GUID pointer that dxwrapper's enumeration leaves invalid.
  Pinned release fetched by CMake (hash-checked), installed next to the DLL.
- Main menu (UI thread) and loading screen render in a 1024x768 viewport
  and are presented scaled ("classic" layout); in-game uses the full size.
- re/patch: verified code patches (operand redirect, push immediates,
  displacements) and startup hooks; build.ps1/CMake download fixes.

In-game view untested yet; HUD still at the top-left.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

config/dxwrapper.ini

@@ -0,0 +1,152 @@
+;; sacred_re: dxwrapper settings (copied next to dxwrapper.dll at build time).
+;; Only change from the release defaults: Dd7to9 = 1 (DirectDraw/D3D7 -> D3D9).
+;; Config file for DirectX DLL Wrapper
+;;
+;; For details, see: https://github.com/elishacloud/dxwrapper/wiki/Configuration
+;;
+[General]
+RealDllPath                = AUTO
+WrapperMode                = AUTO
+LoadCustomDllPath          = 
+ExcludeProcess             = 
+IncludeProcess             = 
+RunProcess                 = 
+WaitForProcess             = 0
+DisableLogging             = 0
+
+[Plugins]
+LoadPlugins                = 0
+LoadFromScriptsOnly        = 0
+
+[Compatibility]
+Dd7to9                     = 1
+D3d8to9                    = 0
+D3d9to9Ex                  = 0
+D3d9on12                   = 0
+DDrawCompat                = 0
+Dinputto8                  = 0
+DisableGameUX              = 0
+EnableDdrawWrapper         = 0
+EnableD3d9Wrapper          = 0
+EnableDinput8Wrapper       = 0
+EnableDsoundWrapper        = 0
+DisableGDIGammaRamp        = 0
+EnableOpenDialogHook       = 0
+WinVersionLie              = off
+WinVersionLieSP            = 0
+ForceKeyboardLayout        = 0
+FixPerfCounterUptime       = 0
+HandleExceptions           = 0
+SingleProcAffinity         = 0
+ProcAffinityMask           = 0
+
+[DDrawCompat]
+DDrawCompat20              = 0
+DDrawCompat21              = 0
+DDrawCompat32              = 0
+DDrawCompatDisableGDIHook  = 0
+DDrawCompatNoProcAffinity  = 0
+
+[ddraw]
+DdrawOverrideBitMode       = 0
+DdrawUseDirect3D9Caps      = 0
+
+[Dd7to9]
+DdrawAutoFrameSkip         = 0
+DdrawEmulateSurface        = 0
+DdrawEmulateLock           = 0
+DdrawUseShadowSurface      = 0
+DdrawKeepAllInterfaceCache = 0
+DdrawAllowMultiSampling    = 0
+DdrawForceMipMapAutoGen    = 0
+DdrawClampVertexZDepth     = 0
+DdrawEnableByteAlignment   = 0
+DdrawFixByteAlignment      = 0
+DdrawIntroVideoFix         = 0
+DdrawFilterActivateApp     = 0
+DdrawRemoveScanlines       = 0
+DdrawRemoveInterlacing     = 0
+DdrawReadFromGDI           = 0
+DdrawWriteToGDI            = 0
+DdrawLimitTextureFormats   = 0
+DdrawLimitDisplayModeCount = 0
+DdrawCustomWidth           = 0
+DdrawCustomHeight          = 0
+DdrawLinearTextureFilter   = 0
+DdrawUseNativeResolution   = 0
+DdrawOverrideWidth         = 0
+DdrawOverrideHeight        = 0
+DdrawOverrideStencilFormat = 0
+DdrawIntegerScalingClamp   = 0
+DdrawMaintainAspectRatio   = 0
+
+[d3d9]
+AnisotropicFiltering       = 0
+AntiAliasing               = 0
+EnableMultisamplingATOC    = 0
+EnvironmentCubeMapFix      = 0
+ForceMipMapUsage           = 0
+DepthBiasFactor            = 0
+DepthBiasDropOffValue      = 0
+EnableVSync                = 0
+ForceVsyncMode             = 0
+ShowFPSCounter             = 0
+OverrideRefreshRate        = 0
+LimitRefreshRates          = 0
+LimitDisplayModeCount      = 0
+CustomDisplayWidth         = 0
+CustomDisplayHeight        = 0
+LimitPerFrameFPS           = 0
+EnableWindowMode           = 0
+WindowModeBorder           = 0
+WindowModeGammaShader      = 0
+DisplayBrightness          = 0
+DisplayContrast            = 0
+SetInitialWindowPosition   = 0
+InitialWindowPositionLeft  = 0
+InitialWindowPositionTop   = 0
+FullscreenWindowMode       = 0
+HideWindowFocusChanges     = 0
+EnableCursorClip           = 0
+ForceExclusiveFullscreen   = 0
+ForceMixedVertexProcessing = 0
+ForceSystemMemVertexCache  = 0
+UseShadowBackbuffer        = 0
+OverrideStencilFormat      = 0
+FlipEx                     = 0
+SetSwapEffectShim          = 0
+DisableMaxWindowedMode     = 0
+GraphicsHybridAdapter      = 0
+
+[FullScreen]
+FullScreen                 = 0
+ForceWindowResize          = 0
+WaitForWindowChanges       = 0
+
+[dinput8]
+DeviceLookupCacheTime      = 0
+FilterNonActiveInput       = 0
+InvertForceDirection       = 0
+FixHighFrequencyMouse      = 0
+MouseMovementFactor        = 0
+MouseMovementFactorX       = 0
+MouseMovementFactorY       = 0
+MouseMovementPadding       = 0
+MouseMovementPaddingX      = 0
+MouseMovementPaddingY      = 0
+
+[dsound]
+Num2DBuffers               = 0
+Num3DBuffers               = 0
+ForceCertification         = 0
+ForceExclusiveMode         = 0
+ForceSoftwareMixing        = 0
+ForceHardwareMixing        = 0
+ForceHQ3DSoftMixing        = 0
+ForceNonStaticBuffers      = 0
+ForceVoiceManagement       = 0
+ForcePrimaryBufferFormat   = 0
+PrimaryBufferBits          = 16
+PrimaryBufferSamples       = 44100
+PrimaryBufferChannels      = 2
+AudioClipDetection         = 0