private static void HandlePhysicsLandblock(Landblock landblock, double timeTick, ConcurrentQueue <WorldObject> movedObjects)
{
foreach (WorldObject wo in landblock.GetWorldObjectsForPhysicsHandling())
{
// set to TRUE if object changes landblock
var landblockUpdate = false;
// detect player movement
// TODO: handle players the same as everything else
if (wo is Player player)
{
wo.InUpdate = true;
var newPosition = HandlePlayerPhysics(player, timeTick);
// update position through physics engine
if (newPosition != null)
{
landblockUpdate = wo.UpdatePlayerPhysics(newPosition);
}
wo.InUpdate = false;
}
else
{
landblockUpdate = wo.UpdateObjectPhysics();
}
if (landblockUpdate)
{
movedObjects.Enqueue(wo);
}
}
}
/// <summary>
/// Returns TRUE if current cell is a House cell
/// </summary>
public static bool IsRestrictable(this Position p, Landblock landblock)
{
var cell = landblock.IsDungeon ? p.Cell : p.GetOutdoorCell();
return(HouseCell.HouseCells.ContainsKey(cell));
}
public void SetAdjacency(Adjacency adjacency, Landblock landblock)
{
adjacencies[adjacency] = landblock;
}
public static List <ModelMesh> Load(Landblock _landblock)
{
var landblock = _landblock.CellLandblock;
// get the landblock cell offsets
var blockX = (landblock.Id >> 24) * 8;
var blockY = (landblock.Id >> 16 & 0xFF) * 8;
var scenery = new List <ModelMesh>();
for (var i = 0; i < landblock.Terrain.Count; i++)
{
var terrain = landblock.Terrain[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)LandblockMesh.RegionDesc.TerrainInfo.TerrainTypes[terrainType].SceneTypes[sceneType];
var scenes = LandblockMesh.RegionDesc.SceneInfo.SceneTypes[sceneInfo].Scenes;
if (scenes.Count == 0)
{
continue;
}
var cellX = i / LandblockMesh.VertexDim;
var cellY = i % LandblockMesh.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) * 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 * LandblockMesh.CellSize + position.X;
var ly = cellY * LandblockMesh.CellSize + position.Y;
// TODO: ensure walkable slope
if (lx < 0 || ly < 0 || lx > LandblockMesh.LandblockSize || ly > LandblockMesh.LandblockSize || OnRoad(obj, landblock, lx, ly))
{
continue;
}
// load scenery
var model = new ModelMesh(obj.ObjId, obj.BaseLoc);
model.ObjectDesc = obj;
model.Cell = new Vector2(cellX, cellY);
model.Position = new Vector3(position.X, position.Y, GetZ(_landblock, model));
model.Rotation = Quaternion.CreateFromYawPitchRoll(0, 0, RotateObj(obj, globalCellX, globalCellY, j));
model.Scale = ScaleObj(obj, globalCellX, globalCellY, j);
model.BuildPolygons();
model.BoundingBox = new BoundingBox(model);
// collision detection
if (Collision(_landblock.Buildings, model) || Collision(scenery, model))
{
continue;
}
scenery.Add(model);
}
}
}
return(scenery);
}
