public Vector3 GetOffset(Position pos)
{
var blockOffset = LandDefs.GetBlockOffset(ObjCellID, pos.ObjCellID);
var globalOffset = blockOffset + pos.Frame.Origin - Frame.Origin;
return(globalOffset);
}
public void init_buildings()
{
if (Info == null || SideCellCount != 8)
{
return;
}
uint maxSize = 0, stabNum = 0;
foreach (var info in Info.Buildings)
{
var building = BuildingObj.makeBuilding(info.ModelId, info.Portals, info.NumLeaves);
var position = new Position(ID, new AFrame(info.Frame));
var outside = LandDefs.AdjustToOutside(position);
var cell = get_landcell(position.ObjCellID);
if (cell == null)
{
continue;
}
building.set_initial_frame(position.Frame);
// hack
building.PartArray.Parts[0].Pos = position;
building.Position = position;
cell.Building = building;
building.add_to_cell(cell); // SortCell?
Buildings.Add(building);
building.add_to_stablist(ref StabList, ref maxSize, ref stabNum);
}
}
public Vector3 LocalToGlobal(Position pos, Vector3 point)
{
var cellOffset = pos.Frame.LocalToGlobal(point);
var blockOffset = LandDefs.GetBlockOffset(ObjCellID, pos.ObjCellID);
return(blockOffset + cellOffset);
}
public void init_static_objs()
{
if (SideCellCount != 8)
{
return;
}
if (StaticObjects.Count > 0)
{
adjust_scene_obj_height();
foreach (var obj in StaticObjects)
{
if (!obj.is_completely_visible())
{
obj.calc_cross_cells_static();
}
}
}
else if (Info != null)
{
foreach (var info in Info.Objects)
{
var obj = PhysicsObj.makeObject(info.Id, 0, false);
obj.DatObject = true;
var position = new Position(ID, new AFrame(info.Frame));
var outside = LandDefs.AdjustToOutside(position);
var cell = get_landcell(position.ObjCellID);
if (cell == null)
{
//Console.WriteLine($"Landblock {ID:X8} - failed to spawn static object {info.Id:X8}");
obj.DestroyObject();
continue;
}
obj.add_obj_to_cell(cell, position.Frame);
add_static_object(obj);
}
if (Info.RestrictionTables != null)
{
foreach (var kvp in Info.RestrictionTables)
{
var lcoord = LandDefs.gid_to_lcoord(kvp.Key);
if (lcoord == null)
{
continue;
}
var idx = ((int)lcoord.Value.Y & 7) + ((int)lcoord.Value.X & 7) * SideCellCount;
LandCells[idx].RestrictionObj = kvp.Value;
}
}
}
if (UseSceneFiles)
{
get_land_scenes();
}
}
/// <summary>s
/// Gets the landcell from a landblock. If the cell is an indoor cell and hasn't been loaded, it will be loaded.<para />
/// This function is thread safe
/// </summary>
public static ObjCell get_landcell(ulong iBlockCellID)
{
/*if ((iBlockCellID | 0xFFFF) == 0x1D9FFFF)
* {
* Console.WriteLine(System.Environment.StackTrace);
* var debug = true;
* }*/
//Console.WriteLine($"get_landcell({blockCellID:X8}");
var landblock = get_landblock(iBlockCellID);
if (landblock == null)
{
return(null);
}
var cellID = iBlockCellID & 0xFFFF;
ObjCell cell = null;
// outdoor cells
if (cellID < 0x100)
{
var lcoord = LandDefs.gid_to_lcoord((uint)iBlockCellID, false);
if (lcoord == null)
{
return(null);
}
var landCellIdx = ((int)lcoord.Value.Y % 8) + ((int)lcoord.Value.X % 8) * landblock.SideCellCount;
landblock.LandCells.TryGetValue(landCellIdx, out cell);
}
// indoor cells
else
{
if (landblock.LandCells.TryGetValue((int)cellID, out cell))
{
return(cell);
}
lock (landblock.LandCellMutex)
{
if (landblock.LandCells.TryGetValue((int)cellID, out cell))
{
return(cell);
}
cell = DBObj.GetEnvCell((uint)iBlockCellID);
cell.CurLandblock = landblock;
landblock.LandCells.TryAdd((int)cellID, cell);
var envCell = (EnvCell)cell;
envCell.PostInit();
}
}
return(cell);
}
public float calc_water_depth(uint blockCellID, Vector3 point)
{
var cellID = blockCellID & 0xFFFF;
var cellOffset = cellID - 1;
uint cellX = 0, cellY = cellID;
if (LandDefs.inbound_valid_cellid(cellID) && cellID < 0x100)
{
cellX = cellOffset / 8;
cellY = cellOffset & 7;
}
uint terrainIdx;
uint surfOffset = 0;
// missing fpu instructions
if (point.X <= point.Y)
{
terrainIdx = (cellY + 8 * cellX + cellX + 1);
if (point.X == point.Y)
{
terrainIdx--;
}
}
else if (point.X >= point.Y)
{
terrainIdx = cellY + 8 * (cellX + 1) + cellX + 1;
}
else // ?
{
terrainIdx = 8 * cellX + 10;
surfOffset = (cellX + cellY) * 2;
}
var column = Terrain[(int)terrainIdx & 0xFF];
var hasWater = SurfChar[column + (int)surfOffset & 0x7F];
if (hasWater != 0)
{
if (hasWater == 1)
{
return(0.44999999f);
}
else
{
return(0);
}
}
else
{
return(0.1f);
}
}
public LandCell get_landcell(uint cellID)
{
var landblock = get_landblock(cellID);
if (landblock == null)
{
return(null);
}
var lcoord = LandDefs.gid_to_lcoord(cellID);
var landCellIdx = ((int)lcoord.Value.Y % 8) + ((int)lcoord.Value.X % 8) * landblock.SideCellCount;
return(landblock.LandCells[landCellIdx]);
}
public Landblock(CellLandblock landblock)
: base(landblock)
{
Init();
ID = landblock.Id;
BlockInfoExists = landblock.HasObjects;
if (BlockInfoExists)
{
Info = (LandblockInfo)DBObj.Get(new QualifiedDataID(2, ID - 1));
}
BlockCoord = LandDefs.blockid_to_lcoord(landblock.Id).Value;
_landblock = landblock;
get_land_limits();
}
public LandCell get_landcell(uint cellID)
{
var lcoord = LandDefs.gid_to_lcoord(cellID).Value;
var idx = ((int)lcoord.Y & 7) + ((int)lcoord.X & 7) * SideCellCount;
if (LandCells[idx].ID == cellID)
{
return((LandCell)LandCells[idx]);
}
else
{
return(null);
}
}
public void GetCellRotation(uint landblockID, uint x, uint y, ref bool singleTextureCell, ref uint surfNum, ref LandDefs.Rotation rotation)
{
var lcoord = LandDefs.blockid_to_lcoord(landblockID);
var globalCellX = (int)(lcoord.Value.X + x);
var globalCellY = (int)(lcoord.Value.Y + y);
// no palette shift
// SW / SE / NE / NW
var i = (int)(LandDefs.VertexDim * x + y);
var terrain = Terrain[i];
var t1 = (terrain & 0x7F) >> 2;
var r1 = terrain & 3;
var j = (int)(LandDefs.VertexDim * (x + 1) + y);
var terrain2 = Terrain[j];
var t2 = (terrain2 & 0x7F) >> 2;
var r2 = terrain2 & 3;
var terrain3 = Terrain[j + 1];
var t3 = (terrain3 & 0x7F) >> 2;
var r3 = terrain3 & 3;
var terrain4 = Terrain[i + 1];
var t4 = (terrain4 & 0x7F) >> 2;
var r4 = terrain4 & 3;
/*Console.WriteLine($"LandblockStruct.GetCellRotation({landblockID:X8}, x:{x}, y:{y})");
* Console.WriteLine($"I1: {i}, I2: {j}, I3: {j+1}, I4: {i+1}");
* if (r1 != 0 || r2 != 0 || r3 != 0 || r4 != 0)
* Console.WriteLine($"R1: {r1}, R2: {r2}, R3: {r3}, R4: {r4}");
* Console.WriteLine($"T1: {(LandDefs.TerrainType)t1}, T2: {(LandDefs.TerrainType)t2}, T3: {(LandDefs.TerrainType)t3}, T4: {(LandDefs.TerrainType)t4}");*/
var palCodes = new List <uint>();
palCodes.Add(GetPalCode(r1, r2, r3, r4, t1, t2, t3, t4)); // 0
//palCodes.Add(GetPalCode(r2, r3, r4, r1, t2, t3, t4, t1)); // 270
//palCodes.Add(GetPalCode(r3, r4, r1, r2, t3, t4, t1, t2)); // 180
//palCodes.Add(GetPalCode(r4, r1, r2, r3, t4, t1, t2, t3)); // 90
var singleRoadCell = r1 == r2 && r1 == r3 && r1 == r4;
var singleTypeCell = t1 == t2 && t1 == t3 && t1 == t4;
singleTextureCell = r1 != 0 ? singleRoadCell : singleRoadCell && singleTypeCell;
var regionDesc = DatManager.PortalDat.RegionDesc;
var minimizePal = true;
LandSurf.Instance.SelectTerrain(globalCellX, globalCellY, ref surfNum, ref rotation, palCodes, 1, minimizePal);
}
/// <summary>
/// Gets the landcell from a landblock. If the cell is an indoor cell and hasn't been loaded, it will be loaded.<para />
/// This function is thread safe
/// </summary>
public static ObjCell get_landcell(uint blockCellID)
{
//Console.WriteLine($"get_landcell({blockCellID:X8}");
var landblock = get_landblock(blockCellID);
if (landblock == null)
{
return(null);
}
var cellID = blockCellID & 0xFFFF;
ObjCell cell = null;
// outdoor cells
if (cellID < 0x100)
{
var lcoord = LandDefs.gid_to_lcoord(blockCellID, false);
if (lcoord == null)
{
return(null);
}
var landCellIdx = ((int)lcoord.Value.Y % 8) + ((int)lcoord.Value.X % 8) * landblock.SideCellCount;
landblock.LandCells.TryGetValue(landCellIdx, out cell);
}
// indoor cells
else
{
if (landblock.LandCells.TryGetValue((int)cellID, out cell))
{
return(cell);
}
lock (landblock.LandCellMutex)
{
if (landblock.LandCells.TryGetValue((int)cellID, out cell))
{
return(cell);
}
cell = DBObj.GetEnvCell(blockCellID);
landblock.LandCells.TryAdd((int)cellID, cell);
var envCell = (EnvCell)cell;
envCell.PostInit();
}
}
return(cell);
}
public Landblock(CellLandblock landblock)
: base(landblock)
{
Init();
ID = landblock.Id;
//Console.WriteLine("Loading landblock " + ID.ToString("X8"));
BlockInfoExists = landblock.HasObjects;
if (BlockInfoExists)
{
Info = DBObj.GetLandblockInfo(ID - 1);
}
BlockCoord = LandDefs.blockid_to_lcoord(landblock.Id).Value;
_landblock = landblock;
get_land_limits();
}
public static void add_all_outside_cells(Position position, int numSphere, List <Sphere> spheres, CellArray cellArray)
{
if (cellArray.AddedOutside)
{
return;
}
if (numSphere != 0)
{
foreach (var sphere in spheres)
{
var cellPoint = position.ObjCellID;
var center = sphere.Center;
if (!LandDefs.AdjustToOutside(ref cellPoint, ref center))
{
break;
}
var point = new Vector2();
point.X = center.X - (float)Math.Floor(center.X / 24.0f) * 24.0f;
point.Y = center.Y - (float)Math.Floor(center.Y / 24.0f) * 24.0f;
var minRad = sphere.Radius;
var maxRad = 24.0f - minRad;
var lcoord = LandDefs.gid_to_lcoord(cellPoint);
if (lcoord != null)
{
add_outside_cell(cellArray, lcoord.Value);
check_add_cell_boundary(cellArray, point, lcoord.Value, minRad, maxRad);
}
}
}
else
{
if (!LandDefs.AdjustToOutside(position))
{
return;
}
var lcoord = LandDefs.gid_to_lcoord(position.ObjCellID);
if (lcoord != null)
{
add_outside_cell(cellArray, lcoord.Value);
}
}
}
public override TransitionState FindEnvCollisions(Transition transition)
{
var transitState = check_entry_restrictions(transition);
if (transitState != TransitionState.OK)
{
return(transitState);
}
var path = transition.SpherePath;
var blockOffset = LandDefs.GetBlockOffset(path.CheckPos.ObjCellID, ID);
var localPoint = transition.SpherePath.GlobalLowPoint - blockOffset;
Polygon walkable = null;
if (!find_terrain_poly(localPoint, ref walkable))
{
return(transitState);
}
var objInfo = transition.ObjectInfo;
if (get_block_water_type() == LandDefs.WaterType.EntirelyWater &&
!objInfo.State.HasFlag(ObjectInfoState.IsViewer) && !objInfo.Object.State.HasFlag(PhysicsState.Missile))
{
return(TransitionState.Collided);
}
var waterDepth = get_water_depth(localPoint);
var checkPos = new Sphere(path.GlobalSphere[0]);
checkPos.Center -= LandDefs.GetBlockOffset(path.CheckPos.ObjCellID, ID);
var result = objInfo.ValidateWalkable(checkPos, walkable.Plane, WaterType != LandDefs.WaterType.NotWater, waterDepth, transition, ID);
if (result != TransitionState.OK && PhysicsObj.IsPicking)
{
Picker.PickResult.Type = PickType.LandCell;
Picker.PickResult.ObjCell = this;
Picker.PickResult.HitPoly = walkable;
}
return(result);
}
public void init_static_objs()
{
if (SideCellCount != 8)
{
return;
}
if (StaticObjects.Count > 0)
{
adjust_scene_obj_height();
foreach (var obj in StaticObjects)
{
if (!obj.is_completely_visible())
{
obj.calc_cross_cells_static();
}
}
}
else if (Info != null)
{
foreach (var info in Info.Objects)
{
var obj = PhysicsObj.makeObject(info.Id, 0, false);
obj.DatObject = true;
var position = new Position(ID, new AFrame(info.Frame));
var outside = LandDefs.AdjustToOutside(position);
var cell = get_landcell(position.ObjCellID);
if (cell == null)
{
continue;
}
obj.add_obj_to_cell(cell, position.Frame);
add_static_object(obj);
}
}
if (UseSceneFiles)
{
get_land_scenes();
}
}
/// <summary>
/// Returns a list of outdoor cells within visible range of player
/// </summary>
public List <ObjCell> GetOutdoorCells(ObjCell cell)
{
// get cell x/y global offset
var lcoord = LandDefs.get_outside_lcoord(cell.ID, PhysicsObj.Position.Frame.Origin.X, PhysicsObj.Position.Frame.Origin.Y).Value;
// includes the origin cell
var blockLength = (int)CellRadiusOutside * 2 + 1;
var cells = new List <ObjCell>(/*blockLength * blockLength*/);
var start = new Vector2(lcoord.X - CellRadiusOutside, lcoord.Y - CellRadiusOutside);
var end = new Vector2(lcoord.X + CellRadiusOutside, lcoord.Y + CellRadiusOutside);
for (var cellX = start.X; cellX <= end.X; cellX++)
{
for (var cellY = start.Y; cellY <= end.Y; cellY++)
{
var blockCellID = LandDefs.lcoord_to_gid(cellX, cellY);
var _cell = LScape.get_landcell((uint)blockCellID);
if (_cell == null)
{
continue;
}
cells.Add(_cell);
// does this outdoor cell contain a building?
// if so, add all of its cells
var landCell = _cell as LandCell;
if (landCell.has_building())
{
//Console.WriteLine($"Found building in cell {landCell.ID:X8}");
var buildingCells = landCell.Building.get_building_cells();
//Console.WriteLine("# cells: " + buildingCells.Count);
cells.AddRange(buildingCells);
}
}
}
return(cells);
}
public static ObjCell get_landcell(uint blockCellID)
{
var landblock = get_landblock(blockCellID);
if (landblock == null)
{
return(null);
}
var cellID = blockCellID & 0xFFFF;
ObjCell cell = null;
// outdoor cells
if (cellID < 0x100)
{
var lcoord = LandDefs.gid_to_lcoord(blockCellID, false);
if (lcoord == null)
{
return(null);
}
var landCellIdx = ((int)lcoord.Value.Y % 8) + ((int)lcoord.Value.X % 8) * landblock.SideCellCount;
landblock.LandCells.TryGetValue(landCellIdx, out cell);
}
// indoor cells
else
{
landblock.LandCells.TryGetValue((int)cellID, out cell);
if (cell != null)
{
return(cell);
}
cell = (EnvCell)DBObj.Get(new QualifiedDataID(3, blockCellID));
landblock.LandCells.Add((int)cellID, cell);
((EnvCell)cell).build_visible_cells();
}
return(cell);
}
public static void add_all_outside_cells(int numParts, List <PhysicsPart> parts, CellArray cellArray, uint id)
{
if (cellArray.AddedOutside)
{
return;
}
cellArray.AddedOutside = true;
if (numParts == 0)
{
return;
}
var min_x = 0;
var min_y = 0;
var max_x = 0;
var max_y = 0;
for (var i = 0; i < numParts; i++)
{
var curPart = parts[i];
var loc = new Position(curPart.Pos);
if (!LandDefs.AdjustToOutside(loc))
{
continue;
}
var _lcoord = LandDefs.gid_to_lcoord(loc.ObjCellID);
if (_lcoord == null)
{
continue;
}
var lcoord = _lcoord.Value;
var lx = (int)(((loc.ObjCellID & 0xFFFF) - 1) / 8);
var ly = (int)(((loc.ObjCellID & 0xFFFF) - 1) % 8);
for (var j = 0; j < numParts; j++)
{
var otherPart = parts[j];
if (otherPart == null)
{
continue;
}
// add if missing: otherPart.Always2D, checks degrades.degradeMode != 1
var bbox = new BBox();
bbox.LocalToGlobal(otherPart.GetBoundingBox(), otherPart.Pos, loc);
var min_cx = (int)Math.Floor(bbox.Min.X / 24.0f);
var min_cy = (int)Math.Floor(bbox.Min.Y / 24.0f);
var max_cx = (int)Math.Floor(bbox.Max.X / 24.0f);
var max_cy = (int)Math.Floor(bbox.Max.Y / 24.0f);
min_x = Math.Min(min_cx - lx, min_x);
min_y = Math.Min(min_cy - ly, min_y);
max_x = Math.Max(max_cx - lx, max_x);
max_y = Math.Max(max_cy - ly, max_y);
}
add_cell_block(min_x + (int)lcoord.X, min_y + (int)lcoord.Y, max_x + (int)lcoord.X, max_y + (int)lcoord.Y, cellArray, id);
}
}
public Vector3 GetOffset(Position pos, Vector3 rotation)
{
var blockOffset = LandDefs.GetBlockOffset(ObjCellID, pos.ObjCellID);
return(blockOffset + pos.LocalToGlobal(rotation) - Frame.Origin);
}
public static void find_cell_list(Position position, int numSphere, List <Sphere> sphere, CellArray cellArray, ref ObjCell currCell, SpherePath path)
{
cellArray.NumCells = 0;
cellArray.AddedOutside = false;
var visibleCell = GetVisible(position.ObjCellID);
if ((position.ObjCellID & 0xFFFF) >= 0x100)
{
if (path != null)
{
path.HitsInteriorCell = true;
}
cellArray.add_cell(position.ObjCellID, visibleCell);
}
else
{
LandCell.add_all_outside_cells(position, numSphere, sphere, cellArray);
}
if (visibleCell != null && numSphere != 0)
{
for (var i = 0; i < cellArray.Cells.Count; i++)
{
var cell = cellArray.Cells.Values.ElementAt(i);
if (cell == null)
{
continue;
}
cell.find_transit_cells(position, numSphere, sphere, cellArray, path);
}
//var checkCells = cellArray.Cells.Values.ToList();
//foreach (var cell in checkCells)
//cell.find_transit_cells(position, numSphere, sphere, cellArray, path);
if (currCell != null)
{
currCell = null;
foreach (var cell in cellArray.Cells.Values)
{
if (cell == null)
{
continue;
}
var blockOffset = LandDefs.GetBlockOffset(position.ObjCellID, cell.ID);
var localPoint = sphere[0].Center - blockOffset;
if (cell.point_in_cell(localPoint))
{
currCell = cell;
if ((cell.ID & 0xFFFF) >= 0x100)
{
if (path != null)
{
path.HitsInteriorCell = true;
}
return; // break?
}
}
}
}
}
if (!cellArray.LoadCells && (position.ObjCellID & 0xFFFF) >= 0x100)
{
var cells = cellArray.Cells.Values.ToList();
foreach (var cell in cells)
{
if (cell == null)
{
continue;
}
if (visibleCell.ID == cell.ID)
{
continue;
}
var found = false;
foreach (var stab in ((EnvCell)visibleCell).VisibleCells.Values)
{
if (stab == null)
{
continue;
}
if (cell.ID == stab.ID)
{
found = true;
break;
}
}
if (!found)
{
cellArray.remove_cell(cell);
}
}
}
}
public void adjust_to_outside()
{
LandDefs.AdjustToOutside(this);
}
public void ConstructPolygons(uint landblockID)
{
var lcoord = LandDefs.blockid_to_lcoord(landblockID).Value;
var polyNum = 1;
var seedA = (uint)((int)lcoord.X * LandDefs.VertexPerCell * 214614067);
var seedB = (uint)((int)lcoord.X * LandDefs.VertexPerCell * 1109124029);
var vertexCnt = 0;
for (var x = 0; x < SideCellCount; x++)
{
var lcoordX = lcoord.X + x;
var originY = 1;
var colVertexCnt = 0;
var originX = polyNum;
for (var y = 0; y < SideCellCount; y++)
{
var lcoordY = (int)lcoord.Y + y;
var magicB = seedB;
var magicA = seedA + 1813693831;
for (var i = 0; i < LandDefs.VertexPerCell; i++)
{
var idxI = vertexCnt + i;
var idxJ = colVertexCnt;
for (var j = 0; j < LandDefs.VertexPerCell; j++)
{
var splitDir = (uint)(((int)lcoord.Y * LandDefs.VertexPerCell + idxJ) * magicA - magicB - 1369149221);
var polyIdx = (LandDefs.VertexPerCell * i + j) * 2;
var cellIdx = x * SideCellCount + y;
var vertIdx = idxI * SideVertexCount + idxJ;
var firstVertex = (idxI * SidePolyCount + idxJ) * 2;
var nextVertIdx = (idxI + 1) * SideVertexCount + idxJ;
var lcell = (LandCell)LandCells[cellIdx];
if (splitDir * 2.3283064e-10 < 0.5f)
{
// 2 1---0
// | \ \ |
// | \ \ |
// 0---1 2
SWtoNEcut[cellIdx] = false;
lcell.Polygons[polyIdx] = AddPolygon(firstVertex, vertIdx, nextVertIdx, vertIdx + 1);
lcell.Polygons[polyIdx + 1] = AddPolygon(firstVertex + 1, nextVertIdx + 1, vertIdx + 1, nextVertIdx);
}
else
{
// 2 2---1
// / | | /
// / | | /
// 0---1 0
SWtoNEcut[cellIdx] = true;
lcell.Polygons[polyIdx] = AddPolygon(firstVertex, vertIdx, nextVertIdx, nextVertIdx + 1);
lcell.Polygons[polyIdx + 1] = AddPolygon(firstVertex + 1, vertIdx, nextVertIdx + 1, vertIdx + 1);
}
idxJ++;
}
magicA += 214614067;
magicB += 1109124029;
}
var cellID = (uint)LandDefs.lcoord_to_gid(lcoordX, lcoordY);
var landCell = LandCells[x * SideCellCount + y];
landCell.ID = cellID;
landCell.Pos.ObjCellID = cellID;
landCell.Pos.Frame.Origin.X = originX * LandDefs.HalfSquareLength;
landCell.Pos.Frame.Origin.Y = originY * LandDefs.HalfSquareLength;
originY += 2;
colVertexCnt += LandDefs.VertexPerCell;
}
vertexCnt += LandDefs.VertexPerCell;
seedB += 1109124029 * (uint)LandDefs.VertexPerCell;
seedA += 214614067 * (uint)LandDefs.VertexPerCell;
polyNum += 2;
}
}
public void get_land_scenes()
{
//Console.WriteLine("Loading scenery for " + ID.ToString("X8"));
// ported from Scenery
Scenery = new List <PhysicsObj>();
// get the landblock cell offsets
var blockX = (ID >> 24) * 8;
var blockY = (ID >> 16 & 0xFF) * 8;
for (uint i = 0; i < Terrain.Count; i++)
{
var terrain = Terrain[(int)i];
var terrainType = terrain >> 2 & 0x1F; // TerrainTypes table size = 32 (grass, desert, volcano, etc.)
var sceneType = terrain >> 11; // SceneTypes table size = 89 total, 32 which can be indexed for each terrain type
var sceneInfo = (int)DatManager.PortalDat.RegionDesc.TerrainInfo.TerrainTypes[terrainType].SceneTypes[sceneType];
var scenes = DatManager.PortalDat.RegionDesc.SceneInfo.SceneTypes[sceneInfo].Scenes;
if (scenes.Count == 0)
{
continue;
}
var cellX = i / LandDefs.VertexDim;
var cellY = i % LandDefs.VertexDim;
var globalCellX = (uint)(cellX + blockX);
var globalCellY = (uint)(cellY + blockY);
var cellMat = globalCellY * (712977289 * globalCellX + 1813693831) - 1109124029 * globalCellX + 2139937281;
var offset = cellMat * 2.3283064e-10;
var scene_idx = (int)(scenes.Count * offset);
if (scene_idx >= scenes.Count)
{
scene_idx = 0;
}
var sceneId = scenes[scene_idx];
var scene = DatManager.PortalDat.ReadFromDat <Scene>(sceneId);
var cellXMat = -1109124029 * globalCellX;
var cellYMat = 1813693831 * globalCellY;
cellMat = 1360117743 * globalCellX * globalCellY + 1888038839;
for (uint j = 0; j < scene.Objects.Count; j++)
{
var obj = scene.Objects[(int)j];
var noise = (uint)(cellXMat + cellYMat - cellMat * (23399 + j)) * 2.3283064e-10;
if (noise < obj.Freq && obj.WeenieObj == 0)
{
// pseudo-randomized placement
var position = ObjectDesc.Displace(obj, globalCellX, globalCellY, j);
var lx = cellX * LandDefs.CellLength + position.X;
var ly = cellY * LandDefs.CellLength + position.Y;
var loc = new Vector3(lx, ly, position.Z);
// ensure within landblock range, and not near road
if (lx < 0 || ly < 0 || lx >= LandDefs.BlockLength || ly >= LandDefs.BlockLength || OnRoad(loc))
{
continue;
}
// load scenery
var pos = new Position(ID);
pos.Frame.Origin = loc;
var outside = LandDefs.AdjustToOutside(pos);
var cell = get_landcell(pos.ObjCellID);
if (cell == null)
{
continue;
}
// check for buildings
var sortCell = (SortCell)cell;
if (sortCell != null && sortCell.has_building())
{
continue;
}
Polygon walkable = null;
var terrainPoly = cell.find_terrain_poly(pos.Frame.Origin, ref walkable);
if (walkable == null)
{
continue;
}
// ensure walkable slope
if (!ObjectDesc.CheckSlope(obj, walkable.Plane.Normal.Z))
{
continue;
}
walkable.Plane.set_height(ref pos.Frame.Origin);
// rotation
if (obj.Align != 0)
{
pos.Frame = ObjectDesc.ObjAlign(obj, walkable.Plane, pos.Frame.Origin);
}
else
{
pos.Frame = ObjectDesc.RotateObj(obj, globalCellX, globalCellY, j, pos.Frame.Origin);
}
// build object
var physicsObj = PhysicsObj.makeObject(obj.ObjId, 0, false);
physicsObj.DatObject = true;
physicsObj.set_initial_frame(pos.Frame);
if (!physicsObj.obj_within_block())
{
//Console.WriteLine($"Landblock {ID:X8} scenery: failed to spawn {obj.ObjId:X8}");
physicsObj.DestroyObject();
continue;
}
physicsObj.add_obj_to_cell(cell, pos.Frame);
var scale = ObjectDesc.ScaleObj(obj, globalCellX, globalCellY, j);
physicsObj.SetScaleStatic(scale);
Scenery.Add(physicsObj);
}
}
}
//Console.WriteLine("Landblock " + ID.ToString("X8") + " scenery count: " + Scenery.Count);
}
public uint get_terrain(uint cellID, Vector3 point)
{
var lcoord = LandDefs.gid_to_lcoord(cellID).Value;
return(Terrain[(int)lcoord.X * 255 * 9 + (int)lcoord.Y]);
}
public static ObjCell find_cell_list(Position position, int numSphere, List <Sphere> sphere, CellArray cellArray, ObjCell currCell, SpherePath path)
{
cellArray.NumCells = 0;
cellArray.AddedOutside = false;
var cell = GetVisible(position.ObjCellID);
if ((position.ObjCellID & 0xFFFF) >= 0x100)
{
if (path != null)
{
path.HitsInteriorCell = true;
}
cellArray.add_cell(position.ObjCellID, cell);
}
else
{
LandCell.add_all_outside_cells(position, numSphere, sphere, cellArray);
}
if (cell != null && numSphere != 0)
{
foreach (var otherCell in cellArray.Cells)
{
if (otherCell != null)
{
otherCell.find_transit_cells(position, numSphere, sphere, cellArray, path);
}
}
if (currCell != null)
{
foreach (var otherCell in cellArray.Cells)
{
var blockOffset = LandDefs.GetBlockOffset(position.ObjCellID, otherCell.ID);
var localPoint = sphere[0].Center - blockOffset;
if (otherCell.point_in_cell(localPoint) && (otherCell.ID & 0xFFFF) >= 0x100)
{
if (path != null)
{
path.HitsInteriorCell = true;
}
return(otherCell);
}
}
}
}
if (!cellArray.LoadCells && (position.ObjCellID & 0xFFFF) >= 0x100)
{
foreach (var otherCell in cellArray.Cells)
{
if (cell.ID != otherCell.ID)
{
continue;
}
var found = false;
foreach (var stab in cell.StabList)
{
if (otherCell.ID == stab)
{
found = true;
break;
}
}
if (!found)
{
cellArray.remove_cell(otherCell);
}
}
}
return(null);
}
public void get_land_scenes()
{
// ported from Scenery
Scenery = new List <PhysicsObj>();
// get the landblock cell offsets
var blockX = (ID >> 24) * 8;
var blockY = (ID >> 16 & 0xFF) * 8;
for (var i = 0; i < Terrain.Count; i++)
{
var terrain = Terrain[(int)i];
var terrainType = terrain >> 2 & 0x1F; // TerrainTypes table size = 32 (grass, desert, volcano, etc.)
var sceneType = terrain >> 11; // SceneTypes table size = 89 total, 32 which can be indexed for each terrain type
var sceneInfo = (int)DatManager.PortalDat.RegionDesc.TerrainInfo.TerrainTypes[terrainType].SceneTypes[sceneType];
var scenes = DatManager.PortalDat.RegionDesc.SceneInfo.SceneTypes[sceneInfo].Scenes;
if (scenes.Count == 0)
{
continue;
}
var cellX = i / LandDefs.VertexDim;
var cellY = i % LandDefs.VertexDim;
var globalCellX = (uint)(cellX + blockX);
var globalCellY = (uint)(cellY + blockY);
var cellMat = globalCellY * (712977289 * globalCellX + 1813693831) - 1109124029 * globalCellX + 2139937281;
var offset = cellMat * 2.3283064e-10;
var scene_idx = (int)(scenes.Count * offset);
if (scene_idx >= scenes.Count)
{
scene_idx = 0;
}
var sceneId = scenes[scene_idx];
var scene = DatManager.PortalDat.ReadFromDat <Scene>(sceneId);
var cellXMat = -1109124029 * globalCellX;
var cellYMat = 1813693831 * globalCellY;
cellMat = 1360117743 * globalCellX * globalCellY + 1888038839;
for (uint j = 0; j < scene.Objects.Count; j++)
{
var obj = scene.Objects[(int)j];
var noise = (uint)(cellXMat + cellYMat - cellMat * (23399 + j)) * 2.3283064e-10;
if (noise < obj.Freq && obj.WeenieObj == 0)
{
var position = Displace(obj, globalCellX, globalCellY, j);
// ensure within landblock range, and not near road
var lx = cellX * LandDefs.CellLength + position.X;
var ly = cellY * LandDefs.CellLength + position.Y;
// TODO: ensure walkable slope
if (lx < 0 || ly < 0 || lx >= LandDefs.BlockLength || ly >= LandDefs.BlockLength || OnRoad(obj, lx, ly))
{
continue;
}
// load scenery
var pos = new Position(ID);
pos.Frame.Origin = new Vector3(lx, ly, 0);
pos.Frame.Orientation = Quaternion.CreateFromYawPitchRoll(0, 0, RotateObj(obj, globalCellX, globalCellY, j));
var outside = LandDefs.AdjustToOutside(pos);
var cell = get_landcell(pos.ObjCellID);
//if (cell == null) continue;
Polygon walkable = null;
var terrainPoly = cell.find_terrain_poly(pos.Frame.Origin, ref walkable);
walkable.Plane.set_height(ref pos.Frame.Origin);
// todo: collision detection
var physicsObj = PhysicsObj.makeObject(obj.ObjId, 0, false);
//physicsObj.set_initial_frame(pos.Frame);
physicsObj.add_obj_to_cell(cell, pos.Frame);
Scenery.Add(physicsObj);
}
}
}
//Console.WriteLine("Landblock " + ID.ToString("X8") + " scenery count: " + Scenery.Count);
}