--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Engine/Graphics/Vis.h	Thu Sep 18 17:38:54 2014 +0600
@@ -0,0 +1,133 @@
+#pragma once
+#include "Render.h"
+
+
+
+enum VisObjectType: unsigned __int32
+{
+  VisObjectType_Any = 0,
+  VisObjectType_Sprite = 1,
+  VisObjectType_Face = 2
+};
+
+/*  150 */
+#pragma pack(push, 1)
+struct Vis_SelectionFilter //stru157
+{
+  VisObjectType object_type;
+  int object_id;  // OBJECT_Actor, OBJECT_Player etc
+  int at_ai_state;
+  int no_at_ai_state;
+  int select_flags;
+};
+#pragma pack(pop)
+extern Vis_SelectionFilter vis_sprite_filter_1; // 00F93E1C
+extern Vis_SelectionFilter vis_sprite_filter_2; // 00F93E30
+extern Vis_SelectionFilter vis_face_filter;     // 00F93E44
+extern Vis_SelectionFilter vis_door_filter;     // 00F93E58
+extern Vis_SelectionFilter vis_sprite_filter_3; // 00F93E6C
+extern Vis_SelectionFilter vis_sprite_filter_4; // static to sub_44EEA7
+
+
+
+#pragma pack(push, 1)
+struct Vis_ObjectInfo
+{
+  void *object;
+  union
+  {
+    int sZValue;
+    struct
+    {
+      unsigned __int16 object_pid;
+      signed __int16 actual_z;
+    };
+  };
+  VisObjectType object_type;
+};
+#pragma pack(pop)
+
+
+#pragma pack(push, 1)
+struct Vis_SelectionList
+{
+  enum PointerCreationType
+  {
+    All = 0,
+    Unique = 1
+  };
+
+  Vis_SelectionList();
+  //----- (004C0585) --------------------------------------------------------
+  ~Vis_SelectionList() {}
+  Vis_ObjectInfo *SelectionPointers(int a2, int a3);
+  void            create_object_pointers(PointerCreationType type = All);
+
+  inline void AddObject(void *object, VisObjectType type, int packed_zval)
+  {
+    object_pool[uNumPointers].object = object;
+    object_pool[uNumPointers].object_type = type;
+    object_pool[uNumPointers++].sZValue = packed_zval;
+  }
+
+  void ( ***vdestructor_ptr)(Vis_SelectionList *, bool);
+  Vis_ObjectInfo  object_pool[512];
+  Vis_ObjectInfo *object_pointers[512];
+  unsigned int    uNumPointers;
+};
+#pragma pack(pop)
+
+
+
+/*  116 */
+#pragma pack(push, 1)
+class Vis
+{
+public:
+  Vis();
+  //----- (004C05A2) --------------------------------------------------------
+  //virtual ~Vis() {}
+  //----- (004C05BE) --------------------------------------------------------
+  virtual ~Vis() {}
+  bool PickKeyboard(Vis_SelectionList *list, Vis_SelectionFilter *sprite_filter, Vis_SelectionFilter *face_filter);
+  void PickBillboards_Keyboard(float pick_depth, Vis_SelectionList *list, Vis_SelectionFilter *filter);
+  void PickIndoorFaces_Keyboard(float pick_depth, Vis_SelectionList *list, Vis_SelectionFilter *filter);
+  void PickOutdoorFaces_Keyboard(float pick_depth, Vis_SelectionList *list, Vis_SelectionFilter *filter);
+
+  bool PickMouse(float fDepth, float fMouseX, float fMouseY, Vis_SelectionFilter *sprite_filter, Vis_SelectionFilter *face_filter);
+  void PickBillboards_Mouse(float fPickDepth, float fX, float fY, Vis_SelectionList *list, Vis_SelectionFilter *filter);
+  void PickIndoorFaces_Mouse(float fDepth, struct RenderVertexSoft *pRay, Vis_SelectionList *list, Vis_SelectionFilter *filter);
+  void PickOutdoorFaces_Mouse(float fDepth, struct RenderVertexSoft *pRay, Vis_SelectionList *list, Vis_SelectionFilter *filter, bool only_reachable);
+
+  bool is_part_of_selection(void *uD3DBillboardIdx_or_pBLVFace_or_pODMFace, Vis_SelectionFilter *filter);
+  bool DoesRayIntersectBillboard(float fDepth, unsigned int uD3DBillboardIdx);
+  Vis_ObjectInfo *DetermineFacetIntersection(struct BLVFace *face, unsigned int a3, float pick_depth);
+  bool IsPolygonOccludedByBillboard(struct RenderVertexSoft *vertices, int num_vertices, float x, float y);
+  void GetPolygonCenter(struct RenderVertexD3D3 *pVertices, unsigned int uNumVertices, float *pCenterX, float *pCenterY);
+  void GetPolygonScreenSpaceCenter(struct RenderVertexSoft *vertices, int num_vertices, float *out_center_x, float *out_center_y);
+  bool IsPointInsideD3DBillboard(struct RenderBillboardD3D *a1, float x, float y);
+  int PickClosestActor(int object_id, unsigned int pick_depth, int a4, int a5, int a6);
+  void _4C1A02();
+  void SortVectors_x(RenderVertexSoft *pArray, int start, int end);
+  int get_object_zbuf_val(Vis_ObjectInfo *info);
+  int get_picked_object_zbuf_val();
+  bool Intersect_Ray_Face(struct RenderVertexSoft *pRayStart, struct RenderVertexSoft *pRayEnd, float *pDepth, RenderVertexSoft *Intersection, BLVFace *pFace, signed int pBModelID);
+  bool CheckIntersectBModel(BLVFace *pFace, Vec3_short_ IntersectPoint, signed int sModelID);
+  void BLV_CreateIntersectFacesVertexCoordList(int *a, int *b, __int16 *intersect_face_vertex_coords_list_a, __int16 *intersect_face_vertex_coords_list_b, Vec3_short_ *IntersectPoint, BLVFace *pFace);
+  void ODM_CreateIntersectFacesVertexCoordList(int *a, int *b, __int16 *intersect_face_vertex_coords_list_a, __int16 *intersect_face_vertex_coords_list_b, Vec3_short_ *IntersectPoint, BLVFace *pFace, unsigned int uModelID);
+  void CastPickRay(RenderVertexSoft *pRay, float fMouseX, float fMouseY, float fPickDepth);
+  void sort_object_pointers(Vis_ObjectInfo **pPointers, int start, int end);
+  void SortVerticesByX(struct RenderVertexD3D3 *pArray, unsigned int uStart, unsigned int uEnd);
+  void SortVerticesByY(struct RenderVertexD3D3 *pArray, unsigned int uStart, unsigned int uEnd);
+  void SortByScreenSpaceX(struct RenderVertexSoft *pArray, int start, int end);
+  void SortByScreenSpaceY(struct RenderVertexSoft *pArray, int start, int end);
+
+  //void ( ***vdestructor_ptr)(Vis *, bool);
+  Vis_SelectionList default_list;
+  RenderVertexSoft  stru_200C;
+  RenderVertexSoft  stru_203C;
+  RenderVertexSoft  stru_206C;
+  RenderVertexSoft  stru_209C;
+  int keyboard_pick_depth;
+};
+#pragma pack(pop)