port 2A step 4: platform skeleton + rest of the 2V3 header closure

- Mirror the remaining non-Python 2V3 closure headers (98 more, 173 total): EffectLib,
  EterGrnLib, SpeedTreeLib, SphereLib, PRTerrainLib, EterImageLib, EterBase/Poly, cipher/tea,
  EterLib Grp*/IME/Input/MSWindow/StateManager, GameLib actor/map/race headers, EterPack.
- SDK shims: granny.h, SpeedTreeRT.h, imm.h, Dimm.h (the SDK MIDL header, not mirrored),
  dinput/d3dx8 additions; D3D8 render-state enums, FVF macros and the COM resource hierarchy;
  more Win32 GDI/handle types with layout static_asserts.
- PORT edits for MSVC-permissive code (typename, friend visibility, <algorithm>, pointer→uintptr_t)
  and PRTerrainLib/StdAfx.h dropping the ScriptLib/Python include.
- port_logic links the vendored cryptopp/minilzo.
- extension/src/platform: port_platform target with 103 generated stub files (1917 function
  stubs, 146 static members) from the new platform_stub.py (clang -ast-dump-filter);
  MT_PLATFORM_STUB() marks every unimplemented body. libmtgodot links port_platform and
  port_gate.sh builds it.

Gate: macOS, Android, iOS, Windows (mingw) PASS; Linux BLOCKED (no toolchain).

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

extension/src/platform/SpeedTreeLib/SpeedTreeWrapper.cpp

@@ -0,0 +1,195 @@
+// Platform skeleton for SpeedTreeLib/SpeedTreeWrapper.h (40250 SpeedTreeLib/SpeedTreeWrapper.cpp), generated by platform_stub.py.
+// Every MT_PLATFORM_STUB() body is unimplemented: replace it with the platform implementation.
+#include "SpeedTreeLib/StdAfx.h"
+#include "SpeedTreeLib/SpeedTreeWrapper.h"
+
+#include "../PlatformStub.h"
+
+auto CSpeedTreeWrapper::OnUpdateCollisionData(const CStaticCollisionDataVector *) -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::GetBoundingSphere(D3DXVECTOR3 &, float &) -> bool
+{
+	MT_PLATFORM_STUB();
+	return mt_platform_stub_return<bool>();
+}
+
+decltype(CSpeedTreeWrapper::ms_bSelfShadowOn) CSpeedTreeWrapper::ms_bSelfShadowOn{};
+
+auto CSpeedTreeWrapper::SetPosition(float, float, float) -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::CalculateBBox() -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::OnRender() -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::OnRenderPCBlocker() -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+CSpeedTreeWrapper::CSpeedTreeWrapper()
+{
+	MT_PLATFORM_STUB();
+}
+
+CSpeedTreeWrapper::~CSpeedTreeWrapper()
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::GetPosition() -> const float *
+{
+	MT_PLATFORM_STUB();
+	return mt_platform_stub_return<const float *>();
+}
+
+auto CSpeedTreeWrapper::SetVertexShaders(DWORD, DWORD) -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::LoadTree(const char *, const BYTE *, unsigned int, unsigned int, float, float) -> bool
+{
+	MT_PLATFORM_STUB();
+	return mt_platform_stub_return<bool>();
+}
+
+auto CSpeedTreeWrapper::GetTreeSize(float &, float &) -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::GetCollisionObjectCount() -> UINT
+{
+	MT_PLATFORM_STUB();
+	return mt_platform_stub_return<UINT>();
+}
+
+auto CSpeedTreeWrapper::GetCollisionObject(unsigned int, CSpeedTreeRT::ECollisionObjectType &, float *, float *) -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::SetupBranchForTreeType() const -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::SetupFrondForTreeType() const -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::SetupLeafForTreeType() const -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::EndLeafForTreeType() -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::RenderBranches() const -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::RenderFronds() const -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::RenderLeaves() const -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::RenderBillboards() const -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::GetInstances(unsigned int &) -> CSpeedTreeWrapper **
+{
+	MT_PLATFORM_STUB();
+	return mt_platform_stub_return<CSpeedTreeWrapper **>();
+}
+
+auto CSpeedTreeWrapper::MakeInstance() -> CSpeedTreeWrapper *
+{
+	MT_PLATFORM_STUB();
+	return mt_platform_stub_return<CSpeedTreeWrapper *>();
+}
+
+auto CSpeedTreeWrapper::DeleteInstance(CSpeedTreeWrapper *) -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::Advance() -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::GetBranchTexture() const -> LPDIRECT3DTEXTURE8
+{
+	MT_PLATFORM_STUB();
+	return mt_platform_stub_return<LPDIRECT3DTEXTURE8>();
+}
+
+auto CSpeedTreeWrapper::CleanUpMemory() -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::SetupBuffers() -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::SetupBranchBuffers() -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::SetupFrondBuffers() -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::SetupLeafBuffers() -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::PositionTree() const -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+auto CSpeedTreeWrapper::LoadTexture(const char *, CGraphicImageInstance &) -> bool
+{
+	MT_PLATFORM_STUB();
+	return mt_platform_stub_return<bool>();
+}
+
+auto CSpeedTreeWrapper::SetShaderConstants(const float *) const -> void
+{
+	MT_PLATFORM_STUB();
+}
+
+decltype(CSpeedTreeWrapper::ms_dwBranchVertexShader) CSpeedTreeWrapper::ms_dwBranchVertexShader{};
+
+decltype(CSpeedTreeWrapper::ms_dwLeafVertexShader) CSpeedTreeWrapper::ms_dwLeafVertexShader{};