feat: Add landscape mesh support to MshConverter

- Auto-detect Model vs Landscape mesh types
- Model: uses indexed triangles (06, 0D, 07)
- Landscape: uses direct triangles (0B, 15)
- Add MSH_FORMAT.md documentation (Russian)
- Add Ghidra decompiled code for CLandscape

ParkanPlayground/from_ghidra/BoundingBox_typedef.c

@@ -0,0 +1,10 @@
+typedef struct BoundingBox {
+    Vector3 BottomFrontLeft;
+    Vector3 BottomFrontRight;
+    Vector3 BottomBackRight;
+    Vector3 BottomBackLeft;
+    Vector3 TopBackRight;
+    Vector3 TopFrontRight;
+    Vector3 TopBackLeft;
+    Vector3 TopFrontLeft;
+} BoundingBox;

ParkanPlayground/from_ghidra/CLandscape_typedef.c

@@ -0,0 +1,60 @@
+typedef struct CLandscape {
+    IComponent * IComponent;
+    CGameObject game_object;
+    ITerrain * ITerrain;
+    IMesh2 * IMesh2;
+    I0x1 * I0x1;
+    IControl * IControl;
+    I0x22 * IUnknown_0x22;
+    undefined4 01_data_ptr;
+    MSH_02_file * msh_02_data_ptr;
+    undefined4 0b_data_ptr;
+// collapse unknown fields
+    int[3][5] field_532;
+// collapse unknown fields
+    undefined4 IComponent_owner;
+    KindaArray array_0x278;
+    int _count_unk_obj_array_elemsize_212;
+    undefined4 vertices_count;
+    uint 15_element_count;
+// collapse unknown fields
+    Vector3 * 03_vertices_data_ptr;
+    int 03_vertices_stride;
+    undefined4 04_data_ptr;
+    undefined4 04_stride;
+// collapse unknown fields
+    undefined4 05_data_ptr;
+    undefined4 05_stride;
+    undefined4 12_microtexture_mapping_data_ptr;
+    undefined4 12_microtexture_mapping_stride;
+// collapse unknown fields
+    MshMetaForLandscape * mshmeta_ptr;
+// collapse unknown fields
+    KindaArray array_0x7a40;
+    BoundingBox bounding_box_from_msh_02;
+    IMatManager * * IMatManager;
+    undefined4 wear_ptr;
+    IEffectManager * * ResolvedIEffectManager;
+    ISystemArealMap * * ResolvedISystemArealMap;
+    ICollManager * * ResolvedICollManager;
+    ISoundPool * * ISoundPool;
+    I3DSound * * I3DSound;
+    ILightManager * * ILightManager_owned;
+    KindaArray array_0x7c00;
+    KindaArray array_0x7c0c;
+    CShade * Shade;
+    undefined4 I3DRender??;
+    undefined4 field_31776;
+    undefined4 flags_of_mesh_part;
+    INResFile * * INResFile;
+    KindaArray array_0x7c2c;
+    undefined4 current_visible_primitives_count;
+    IMesh2 * * meshes;
+    IGameObject * * game_objects;
+// collapse unknown fields
+    KindaArray array_0x7c84;
+    undefined4 * field_31888;
+    undefined4 _CheckMaxBasementAngleStep;
+    CollisionContext m_CollisionContext;
+    BoundingBox bounding_box;
+} CLandscape;