//if running on a fixed timestep, this might be called
//more often with a smaller delta time than RenderUpdate()
internal void Update(UpdateTimer time, List <Input.InputAction> actions, PlayerSteering ps)
{
//Thread.Sleep(30);
float secDelta = time.GetUpdateDeltaSeconds();
// mZone.UpdateModels(secDelta);
float yawAmount = 0f;
float pitchAmount = 0f;
bool bGravity = false;
float friction = GroundFriction;
if (!mbOnGround)
{
//gravity
if (!mbFly)
{
bGravity = true;
}
if (mbBadFooting)
{
friction = GroundFriction;
}
else
{
friction = AirFriction;
}
}
else
{
if (!mbFly)
{
friction = GroundFriction;
}
else
{
friction = AirFriction;
}
}
bool bCamJumped = false;
foreach (Input.InputAction act in actions)
{
if (act.mAction.Equals(Program.MyActions.Jump))
{
if (mbOnGround && !mbFly)
{
friction = AirFriction;
bCamJumped = true;
}
}
else if (act.mAction.Equals(Program.MyActions.ToggleFly))
{
mbFly = !mbFly;
ps.Method = (mbFly)? PlayerSteering.SteeringMethod.Fly : PlayerSteering.SteeringMethod.FirstPerson;
}
else if (act.mAction.Equals(Program.MyActions.Turn))
{
yawAmount = act.mMultiplier;
}
else if (act.mAction.Equals(Program.MyActions.Pitch))
{
pitchAmount = act.mMultiplier;
}
else if (act.mAction.Equals(Program.MyActions.RayStart))
{
mRayStart = GetModelPos();
}
else if (act.mAction.Equals(Program.MyActions.RayEnd))
{
mRayEnd = GetModelPos();
mbRayHit = mTModel.Trace(mRayStart, mRayEnd, out mRayHit);
mColRays.Add(mRayStart);
mColRays.Add(mRayEnd);
if (mbRayHit)
{
//scale up to view space
Vector3 viewHit = mRayHit;
viewHit.X *= 16f;
viewHit.Z *= 16f;
mColHits.Add(viewHit);
}
mDrawRays.BuildRayDrawInfo(mColRays, mColHits, 16f);
}
else if (act.mAction.Equals(Program.MyActions.RayCrazy))
{
Stopwatch sw = new Stopwatch();
sw.Start();
mColRays.Clear();
mColHits.Clear();
Vector3 randSpace = Vector3.One * 1000f;
randSpace.Y *= 5f;
for (int i = 0; i < 1000; i++)
{
Vector3 start = Mathery.RandomPosition(mRand, randSpace);
Vector3 end = Mathery.RandomPosition(mRand, randSpace);
//wrap xz
if (start.X < 0)
{
start.X += 1000f;
}
if (start.Z < 0)
{
start.Z += 1000f;
}
if (end.X < 0)
{
end.X += 1000f;
}
if (end.Z < 0)
{
end.Z += 1000f;
}
Vector3 hit;
if (mTModel.Trace(start, end, out hit))
{
//scale up to view space
Vector3 viewHit = hit;
viewHit.X *= 16f;
viewHit.Z *= 16f;
mColHits.Add(viewHit);
}
mColRays.Add(start);
mColRays.Add(end);
}
sw.Stop();
mDrawRays.BuildRayDrawInfo(mColRays, mColHits, 16f);
}
}
// UpdateDynamicLights(actions);
Vector3 startPos = mGroundPos;
Vector3 moveVec = ps.Update(startPos, mGD.GCam.Forward, mGD.GCam.Left, mGD.GCam.Up, actions);
if (mbOnGround || mbFly)
{
moveVec *= JogMoveForce;
}
else if (mbBadFooting)
{
moveVec *= StumbleForce;
}
else
{
moveVec *= MidAirMoveForce;
}
mVelocity += moveVec * 0.5f;
mVelocity -= (friction * mVelocity * secDelta * 0.5f);
Vector3 pos = startPos;
if (bGravity)
{
mVelocity += Vector3.Down * GravityForce * (secDelta * 0.5f);
}
if (bCamJumped)
{
mVelocity += Vector3.Up * JumpForce * 0.5f;
pos += mVelocity * (1f / 60f);
}
else
{
pos += mVelocity * secDelta;
}
mVelocity += moveVec * 0.5f;
mVelocity -= (friction * mVelocity * secDelta * 0.5f);
if (bGravity)
{
mVelocity += Vector3.Down * GravityForce * (secDelta * 0.5f);
}
if (bCamJumped)
{
mVelocity += Vector3.Up * JumpForce * 0.5f;
}
Vector3 camPos = Vector3.Zero;
Vector3 endPos = pos;
// Move(endPos, time.GetUpdateDeltaMilliSeconds(), false,
// mbFly, !bCamJumped, true, true, out endPos, out camPos);
mGroundPos += moveVec;
bool bWrapped = WrapPosition(ref mGroundPos);
WrapGridCoordinates();
if (bWrapped && mTerrain != null)
{
mTerrain.BuildGrid(mGD, mChunkRange, mNumStreamThreads);
}
if (mTerrain != null)
{
mTerrain.SetCellCoord(mGridCoordinate);
mTerrain.UpdatePosition(mGroundPos, mTerMats);
}
mGD.GCam.Update(-mGroundPos, ps.Pitch, ps.Yaw, ps.Roll);
mOtherCam.Update(-GetViewPos(), ps.Pitch, ps.Yaw, ps.Roll);
if (!mbFly)
{
if (mbOnGround)
{
//kill downward velocity so previous
//falling momentum doesn't contribute to
//a new jump
if (mVelocity.Y < 0f)
{
mVelocity.Y = 0f;
}
}
if (mbBadFooting)
{
//reduce downward velocity to avoid
//getting stuck in V shaped floors
if (mVelocity.Y < 0f)
{
mVelocity.Y -= (StumbleFriction * mVelocity.Y * secDelta);
}
}
}
//get ground pos at current location
float groundHeight = mTModel.GetHeight(GetModelPos());
mAudio.Update(mGD.GCam);
mST.ModifyStringText(mFonts[0], "Grid: " + mGridCoordinate.ToString()
+ ", LocalPos: " + mGroundPos.IntStr()
+ ", ModelPos: " + GetModelPos(), "PosStatus");
mST.ModifyStringText(mFonts[0], "Height: " + groundHeight
+ ", Hit: " + mbRayHit + ", HitPos: " + mRayHit, "ColStatus");
if (mTerrain != null)
{
mST.ModifyStringText(mFonts[0], "Threads Active: " + mTerrain.GetThreadsActive()
+ ", Thread Counter: " + mTerrain.GetThreadCounter(), "ThreadStatus");
}
mST.Update(mGD.DC);
}
internal void TBuild(int gridSize, int chunkSize, float medianHeight,
float variance, int polySize, int tilingIterations, float borderSize,
int smoothPasses, int seed, int erosionIterations,
float rainFall, float solubility, float evaporation, int threads)
{
mFracFact = new FractalFactory(variance, medianHeight, gridSize + 1, gridSize + 1);
mNumStreamThreads = threads;
float [,] fract = mFracFact.CreateFractal(seed);
for (int i = 0; i < smoothPasses; i++)
{
FractalFactory.SmoothPass(fract);
}
for (int i = 0; i < tilingIterations; i++)
{
float borderSlice = borderSize / tilingIterations;
FractalFactory.MakeTiled(fract, borderSlice * (i + 1));
}
if (erosionIterations > 0)
{
int realIterations = FractalFactory.Erode(fract, mRand,
erosionIterations, rainFall, solubility, evaporation);
//redo tiling if eroded
for (int i = 0; i < tilingIterations; i++)
{
float borderSlice = borderSize / tilingIterations;
FractalFactory.MakeTiled(fract, borderSlice * (i + 1));
}
}
Vector3 [,] norms = mFracFact.BuildNormals(fract, polySize);
if (mTModel != null)
{
mTModel.FreeAll();
}
mTModel = new TerrainModel(fract, polySize, gridSize);
mCellGridMax = gridSize / chunkSize;
List <HeightMap.TexData> tdata = new List <HeightMap.TexData>();
float transHeight = 0f;
if (mTerrain != null)
{
//grab a copy of the old texture data if any
List <HeightMap.TexData> texOld = mTerrain.GetTextureData(out transHeight);
//clone it because it is about to all get nuked
foreach (HeightMap.TexData td in texOld)
{
HeightMap.TexData td2 = new HeightMap.TexData(td);
tdata.Add(td2);
}
mTerrain.FreeAll();
}
mTerrain = new Terrain(fract, norms, polySize, chunkSize, mCellGridMax);
mTerrain.SetTextureData(tdata, transHeight);
mBoundary = chunkSize * polySize;
WrapGridCoordinates();
mTerrain.SetCellCoord(mGridCoordinate);
mTerrain.BuildGrid(mGD, mChunkRange, mNumStreamThreads);
mPos.Y = mTModel.GetHeight(mPos) + 200f;
mTerrain.UpdatePosition(mPos, mTerMats);
//clamp box heights
mTModel.FixBoxHeights();
//clear existing
if (mQTreeBoxes != null)
{
mQTreeBoxes.Free();
}
//turn on to debug quadtree
//careful about big map sizes
// List<BoundingBox> boxes =mTModel.GetAllBoxes();
// mQTreeBoxes =PrimFactory.CreateCubes(mGD.GD, boxes);
}