//Select by bounding box, not by mesh
bool SelectionCast(Vector3 rayOrigin, Vector3 direction, float maxDist, out PhysicsObject body)
{
float dist = float.MaxValue;
body = null;
var jitterDir = direction * maxDist;
foreach (var rb in world.Physics.Objects)
{
if (rb.Tag == player)
{
continue;
}
if (rb.Collider is SphereCollider)
{
//Test spheres
var sph = (SphereCollider)rb.Collider;
if (SphereRayIntersect(rayOrigin, direction, maxDist, rb.Position, sph.Radius))
{
var nd = VectorMath.DistanceSquared(rb.Position, camera.Position);
if (nd < dist)
{
dist = nd;
body = rb;
}
}
}
else
{
//var tag = rb.Tag as GameObject;
if (!rb.GetBoundingBox().RayIntersect(ref rayOrigin, ref jitterDir))
{
continue;
}
body = rb;
/*if (tag == null || tag.CmpParts.Count == 0)
* {
* //Single part
* var nd = VectorMath.DistanceSquared(rb.Position, camera.Position);
* if (nd < dist)
* {
* dist = nd;
* body = rb;
* }
* }
* else
* {
* //Test by cmp parts
* var sh = (CompoundSurShape)rb.Shape;
* for (int i = 0; i < sh.Shapes.Length; i++)
* {
* sh.Shapes[i].UpdateBoundingBox();
* var bb = sh.Shapes[i].BoundingBox;
* bb.Min += rb.Position;
* bb.Max += rb.Position;
* if (bb.RayIntersect(ref rayOrigin, ref jitterDir))
* {
*
* var nd = VectorMath.DistanceSquared(rb.Position, camera.Position);
* if (nd < dist)
* {
* dist = nd;
* body = rb;
* }
* break;
* }
* }
* }*/
}
}
return(body != null);
}
public override void FixedUpdate(TimeSpan time)
{
var world = Parent.GetWorld();
var player = world.GetObject("player");
if (player == null)
{
return;
}
if (VectorMath.DistanceSquared(player.PhysicsComponent.Position, Field.Zone.Position) > activateDist)
{
return;
}
var cds = (Field.CubeSize + COLLIDE_DISTANCE);
cds *= cds;
for (int i = bodies.Count - 1; i >= 0; i--)
{
var distance = VectorMath.DistanceSquared(player.PhysicsComponent.Position, bodies[i].Position);
if (distance > cds)
{
world.Physics.RemoveBody(bodies[i]);
bodies.RemoveAt(i);
}
}
var close = AsteroidFieldShared.GetCloseCube(player.PhysicsComponent.Position, Field.CubeSize);
var cubeRad = new Vector3(Field.CubeSize) * 0.5f;
int amountCubes = (int)Math.Floor((COLLIDE_DISTANCE / Field.CubeSize)) + 1;
for (int x = -amountCubes; x <= amountCubes; x++)
{
for (int y = -amountCubes; y <= amountCubes; y++)
{
for (int z = -amountCubes; z <= amountCubes; z++)
{
var center = close + new Vector3(x * Field.CubeSize, y * Field.CubeSize, z * Field.CubeSize);
if (!Field.Zone.Shape.ContainsPoint(center))
{
continue;
}
if (VectorMath.DistanceSquared(player.PhysicsComponent.Position, center) > cds)
{
continue;
}
float tval;
if (!AsteroidFieldShared.CubeExists(center, Field.EmptyCubeFrequency, out tval))
{
continue;
}
if (GetExclusionZone(center) != null)
{
continue;
}
bool create = true;
for (int i = 0; i < bodies.Count; i++)
{
if ((bodies[i].Position - center).LengthFast < 3)
{
create = false;
break;
}
}
if (create)
{
var body = new RigidBody(shape);
body.Orientation = new Matrix3(Field.CubeRotation.GetRotation(tval));
body.Position = center;
body.IsStatic = true;
bodies.Add(body);
world.Physics.AddBody(body);
}
}
}
}
}
void ProcessInput(TimeSpan delta)
{
input.Update();
if (!hud.TextEntry)
{
if (input.ActionDown(InputAction.ID_THROTTLEUP))
{
shipInput.Throttle += (float)(delta.TotalSeconds);
shipInput.Throttle = MathHelper.Clamp(shipInput.Throttle, 0, 1);
}
else if (input.ActionDown(InputAction.ID_THROTTLEDOWN))
{
shipInput.Throttle -= (float)(delta.TotalSeconds);
shipInput.Throttle = MathHelper.Clamp(shipInput.Throttle, 0, 1);
}
}
StrafeControls strafe = StrafeControls.None;
if (!hud.TextEntry)
{
if (input.ActionDown(InputAction.ID_STRAFELEFT))
{
strafe |= StrafeControls.Left;
}
if (input.ActionDown(InputAction.ID_STRAFERIGHT))
{
strafe |= StrafeControls.Right;
}
if (input.ActionDown(InputAction.ID_STRAFEUP))
{
strafe |= StrafeControls.Up;
}
if (input.ActionDown(InputAction.ID_STRAFEDOWN))
{
strafe |= StrafeControls.Down;
}
}
var pc = player.PhysicsComponent;
shipInput.Viewport = new Vector2(Game.Width, Game.Height);
shipInput.Camera = camera;
if (Game.Mouse.IsButtonDown(MouseButtons.Left) || mouseFlight)
{
var mX = Game.Mouse.X;
var mY = Game.Mouse.Y;
camera.MousePosition = new Vector2(
mX, Game.Height - mY
);
shipInput.MouseFlight = true;
shipInput.MousePosition = new Vector2(mX, mY);
camera.MouseFlight = true;
}
else
{
shipInput.MouseFlight = false;
camera.MouseFlight = false;
}
control.CurrentStrafe = strafe;
//control.EnginePower = Velocity / MAX_VELOCITY;
var obj = GetSelection(Game.Mouse.X, Game.Mouse.Y);
current_cur = obj == null ? cur_arrow : cur_reticle;
var ep = VectorMath.UnProject(new Vector3(Game.Mouse.X, Game.Mouse.Y, 0.25f), camera.Projection, camera.View, new Vector2(Game.Width, Game.Height));
var tgt = VectorMath.UnProject(new Vector3(Game.Mouse.X, Game.Mouse.Y, 0f), camera.Projection, camera.View, new Vector2(Game.Width, Game.Height));
var dir = (tgt - ep).Normalized();
var dir2 = new Matrix3(player.PhysicsComponent.Body.Transform.ClearTranslation()) * Vector3.UnitZ;
tgt += dir * 750;
weapons.AimPoint = tgt;
if (!Game.Mouse.IsButtonDown(MouseButtons.Left) && Game.TotalTime - lastDown < 0.25)
{
var newselected = GetSelection(Game.Mouse.X, Game.Mouse.Y);
if (newselected != null)
{
selected = newselected;
}
}
if (Game.Mouse.IsButtonDown(MouseButtons.Right))
{
weapons.FireAll();
}
}
public override void PrepareRender(ICamera camera, NebulaRenderer nr)
{
CalculatedVisible = true;
if (Nebula != null && nr != Nebula)
{
CalculatedVisible = false;
return;
}
var dsq = VectorMath.DistanceSquared(pos, camera.Position);
if (LODRanges != null) //Fastest cull
{
var maxd = LODRanges[LODRanges.Length - 1] * sysr.LODMultiplier;
maxd *= maxd;
if (dsq > maxd)
{
CalculatedVisible = false; return;
}
}
if (Model != null)
{
if (Model.Levels.Length != 0)
{
var center = VectorMath.Transform(Model.Levels[0].Center, World);
var lvl = GetLevel(Model, center, camera.Position);
if (lvl == null)
{
CalculatedVisible = false;
}
var bsphere = new BoundingSphere(
center,
Model.Levels[0].Radius
);
if (!camera.Frustum.Intersects(bsphere))
{
CalculatedVisible = false; //Culled
}
}
}
else if (Cmp != null || CmpParts != null)
{
//Check if -something- renders
CalculatedVisible = false;
var partCol = (IEnumerable <Part>)CmpParts ?? Cmp.Parts.Values;
bool cmpParts = CmpParts != null;
foreach (Part p in partCol)
{
if (cmpParts)
{
p.Update(camera, TimeSpan.Zero, TimeSpan.FromSeconds(sysr.Game.TotalTime));
}
var model = p.Model;
Matrix4 w = World;
if (p.Construct != null)
{
w = p.Construct.Transform * World;
}
if (model.Levels.Length > 0)
{
var center = VectorMath.Transform(model.Levels[0].Center, w);
var lvl = GetLevel(model, center, camera.Position);
if (lvl == null)
{
continue;
}
var bsphere = new BoundingSphere(
center,
model.Levels[0].Radius
);
if (camera.Frustum.Intersects(bsphere))
{
CalculatedVisible = true;
break;
}
}
}
}
else if (Sph != null)
{
var bsphere = new BoundingSphere(
pos,
radiusAtmosphere);
if (!camera.Frustum.Intersects(bsphere))
{
CalculatedVisible = false;
}
}
}
public override void Draw(ICamera camera, CommandBuffer commands, SystemLighting lights, NebulaRenderer nr)
{
if (sysr == null)
{
return;
}
if (!Visible)
{
return;
}
if (Dfm != null)
{
Dfm.Update(camera, TimeSpan.Zero, TimeSpan.FromSeconds(sysr.Game.TotalTime));
var center = VectorMath.Transform(Vector3.Zero, World);
//var lighting = RenderHelpers.ApplyLights(lights, LightGroup, center, 20, nr, LitAmbient, LitDynamic, NoFog);
Dfm.DrawBuffer(commands, World, Lighting.Empty);
}
if (Model != null)
{
if (Model.Levels.Length > 0)
{
Model.Update(camera, TimeSpan.Zero, TimeSpan.FromSeconds(sysr.Game.TotalTime));
var center = VectorMath.Transform(Model.Levels[0].Center, World);
var lvl = GetLevel(Model, center, camera.Position);
if (lvl == null)
{
return;
}
var lighting = RenderHelpers.ApplyLights(lights, LightGroup, center, Model.Levels[0].Radius, nr, LitAmbient, LitDynamic, NoFog);
var r = Model.Levels [0].Radius + lighting.FogRange.Y;
if (lighting.FogMode != FogModes.Linear || VectorMath.DistanceSquared(camera.Position, center) <= (r * r))
{
Model.DrawBufferLevel(lvl, commands, World, lighting);
}
}
}
else if (Cmp != null)
{
Cmp.Update(camera, TimeSpan.Zero, TimeSpan.FromSeconds(sysr.Game.TotalTime));
foreach (Part p in Cmp.Parts.Values)
{
var model = p.Model;
Matrix4 w = World;
if (p.Construct != null)
{
w = p.Construct.Transform * World;
}
if (model.Levels.Length > 0)
{
var center = VectorMath.Transform(model.Levels[0].Center, w);
var lvl = GetLevel(model, center, camera.Position);
if (lvl == null)
{
continue;
}
var bsphere = new BoundingSphere(
center,
model.Levels[0].Radius
);
if (camera.Frustum.Intersects(bsphere))
{
var lighting = RenderHelpers.ApplyLights(lights, LightGroup, center, model.Levels[0].Radius, nr, LitAmbient, LitDynamic, NoFog);
var r = model.Levels [0].Radius + lighting.FogRange.Y;
if (lighting.FogMode != FogModes.Linear || VectorMath.DistanceSquared(camera.Position, center) <= (r * r))
{
model.DrawBufferLevel(lvl, commands, w, lighting);
}
}
}
}
}
else if (CmpParts != null)
{
_parentCmp.Update(camera, TimeSpan.Zero, TimeSpan.FromSeconds(sysr.Game.TotalTime));
foreach (Part p in CmpParts)
{
p.Update(camera, TimeSpan.Zero, TimeSpan.FromSeconds(sysr.Game.TotalTime));
var model = p.Model;
Matrix4 w = World;
if (p.Construct != null)
{
w = p.Construct.Transform * World;
}
if (model.Levels.Length > 0)
{
var center = VectorMath.Transform(model.Levels[0].Center, w);
var lvl = GetLevel(model, center, camera.Position);
if (lvl == null)
{
continue;
}
var bsphere = new BoundingSphere(
center,
model.Levels[0].Radius
);
if (camera.Frustum.Intersects(bsphere))
{
var lighting = RenderHelpers.ApplyLights(lights, LightGroup, center, model.Levels[0].Radius, nr, LitAmbient, LitDynamic, NoFog);
var r = model.Levels[0].Radius + lighting.FogRange.Y;
if (lighting.FogMode != FogModes.Linear || VectorMath.DistanceSquared(camera.Position, center) <= (r * r))
{
model.DrawBufferLevel(lvl, commands, w, lighting);
}
}
}
}
}
else if (Sph != null)
{
Sph.Update(camera, TimeSpan.Zero, TimeSpan.FromSeconds(sysr.Game.TotalTime));
var l = RenderHelpers.ApplyLights(lights, LightGroup, pos, Sph.Radius, nr, LitAmbient, LitDynamic, NoFog);
var r = Sph.Radius + l.FogRange.Y;
if (l.FogMode != FogModes.Linear || VectorMath.DistanceSquared(camera.Position, pos) <= (r * r))
{
Sph.DrawBuffer(commands, World, l);
}
}
}
public override bool OutOfView(ICamera camera)
{
if (Model != null)
{
if (Model.Levels.Length != 0)
{
var center = VectorMath.Transform(Model.Levels[0].Center, World);
var lvl = GetLevel(Model, center, camera.Position);
if (lvl == null)
{
return(true);
}
var bsphere = new BoundingSphere(
center,
Model.Levels[0].Radius
);
if (!camera.Frustum.Intersects(bsphere))
{
return(true); //Culled
}
}
}
else if (Cmp != null || CmpParts != null)
{
//Check if -something- renders
bool doCull = true;
var partCol = (IEnumerable <Part>)CmpParts ?? Cmp.Parts.Values;
foreach (Part p in partCol)
{
var model = p.Model;
Matrix4 w = World;
if (p.Construct != null)
{
w = p.Construct.Transform * World;
}
if (model.Levels.Length > 0)
{
var center = VectorMath.Transform(model.Levels[0].Center, w);
var lvl = GetLevel(model, center, camera.Position);
if (lvl == null)
{
continue;
}
var bsphere = new BoundingSphere(
center,
model.Levels[0].Radius
);
if (camera.Frustum.Intersects(bsphere))
{
doCull = false;
break;
}
}
}
return(doCull);
}
else if (Sph != null)
{
var bsphere = new BoundingSphere(
pos,
radiusAtmosphere);
if (!camera.Frustum.Intersects(bsphere))
{
return(true);
}
}
return(false);
}
public override void DepthPrepass(ICamera camera, RenderState rstate)
{
if (!Visible)
{
return;
}
if (Model != null)
{
Model.Update(camera, TimeSpan.Zero, TimeSpan.FromSeconds(sysr.Game.TotalTime));
if (Model.Levels.Length != 0)
{
var center = VectorMath.Transform(Model.Levels[0].Center, World);
var lvl = GetLevel(Model, center, camera.Position);
if (lvl == null)
{
return;
}
Model.DepthPrepassLevel(lvl, rstate, World);
}
}
else if (Cmp != null || CmpParts != null)
{
if (Cmp != null)
{
Cmp.Update(camera, TimeSpan.Zero, TimeSpan.FromSeconds(sysr.Game.TotalTime));
}
else
{
_parentCmp.Update(camera, TimeSpan.Zero, TimeSpan.FromSeconds(sysr.Game.TotalTime));
}
//Check if -something- renders
var partCol = (IEnumerable <Part>)CmpParts ?? Cmp.Parts.Values;
foreach (Part p in partCol)
{
var model = p.Model;
Matrix4 w = World;
if (p.Construct != null)
{
w = p.Construct.Transform * World;
}
if (model.Levels.Length > 0)
{
var center = VectorMath.Transform(model.Levels[0].Center, w);
var lvl = GetLevel(model, center, camera.Position);
if (lvl == null)
{
continue;
}
var bsphere = new BoundingSphere(
center,
model.Levels[0].Radius
);
if (camera.Frustum.Intersects(bsphere))
{
model.DepthPrepassLevel(lvl, rstate, w);
}
}
}
}
else if (Sph != null)
{
Sph.Update(camera, TimeSpan.Zero, TimeSpan.FromSeconds(sysr.Game.TotalTime));
Sph.DepthPrepass(rstate, World);
}
}
public void Transform(ref Matrix4 matrix, out BoundingSphere result)
{
result.Center = VectorMath.Transform(this.Center, matrix);
result.Radius = this.Radius * ((float)Math.Sqrt((double)Math.Max(((matrix.M11 * matrix.M11) + (matrix.M12 * matrix.M12)) + (matrix.M13 * matrix.M13), Math.Max(((matrix.M21 * matrix.M21) + (matrix.M22 * matrix.M22)) + (matrix.M23 * matrix.M23), ((matrix.M31 * matrix.M31) + (matrix.M32 * matrix.M32)) + (matrix.M33 * matrix.M33)))));
}
public static Lighting ApplyLights(SystemLighting src, int lightGroup, Vector3 c, float r, NebulaRenderer nebula, bool lambient = true, bool ldynamic = true, bool nofog = false)
{
var lights = Lighting.Create();
lights.Ambient = lambient ? src.Ambient : Color4.Black;
lights.NumberOfTilesX = src.NumberOfTilesX;
if (nofog)
{
lights.FogMode = FogModes.None;
}
else
{
lights.FogMode = src.FogMode;
lights.FogDensity = src.FogDensity;
lights.FogColor = src.FogColor;
lights.FogRange = src.FogRange;
}
if (ldynamic)
{
for (int i = 0; i < src.Lights.Count; i++)
{
if (src.Lights[i].LightGroup != lightGroup)
{
continue;
}
if (!src.Lights[i].Active)
{
continue;
}
var l = src.Lights[i].Light;
var r2 = r + l.Range;
//l.Kind > 0 - test if not directional
if (l.Kind > 0 && VectorMath.DistanceSquared(l.Position, c) > (r2 * r2))
{
continue;
}
//Advanced spotlight cull
if ((l.Kind == LightKind.Spotlight) && SpotlightTest(ref l, c, r))
{
continue;
}
lights.Lights.Add(l);
}
}
if (nebula != null)
{
Color4? ambient;
bool fogenabled;
Vector2 fogrange;
Color4 fogcolor;
RenderLight?lightning;
nebula.GetLighting(out fogenabled, out ambient, out fogrange, out fogcolor, out lightning);
if (ambient != null)
{
lights.Ambient = ambient.Value;
}
if (fogenabled)
{
lights.FogMode = FogModes.Linear;
lights.FogColor = fogcolor;
lights.FogRange = fogrange;
}
if (lightning != null && src.NumberOfTilesX == -1)
{
lights.Lights.Add(lightning.Value);
}
}
return(lights);
}
public static float GetZ(Vector3 cameraPosition, Vector3 vec)
{
var res = VectorMath.DistanceSquared(vec, cameraPosition);
return(res);
}
public static float GetZ(Matrix4 world, Vector3 cameraPosition, Vector3 vec)
{
var res = VectorMath.DistanceSquared(world.Transform(vec), cameraPosition);
return(res);
}
public void DrawPerspective(
Texture2D texture,
Vector3 pos,
Matrix4 world,
Vector2 size,
Color4 color,
Vector2 topleft,
Vector2 topright,
Vector2 bottomleft,
Vector2 bottomright,
Vector3 normal,
float angle,
int layer,
BlendMode blend = BlendMode.Normal
)
{
var upref = Vector3.UnitY;
if ((Vector3.UnitY - normal).Length < float.Epsilon)
{
upref = Vector3.UnitZ;
}
var srcright = Vector3.Cross(normal, upref);
var srcup = Vector3.Cross(srcright, normal);
srcup.Normalize();
srcright.Normalize();
Vector3 up, right;
if (Math.Abs(angle) < float.Epsilon)
{
up = srcup;
right = srcright;
}
else
{
var s = (float)Math.Sin(angle);
var c = (float)Math.Cos(angle);
up = c * srcright - s * srcup;
right = s * srcright + c * srcup;
}
rendat[billboardCount] = new RenderData(
texture,
blend,
RenderKind.Rect,
(ushort)vertexCountRect
);
//
var sz = 0.5f * size;
verticesRect[vertexCountRect++] = new VertexPositionColorTexture(
VectorMath.Transform(
pos - right * sz.X - up * sz.Y, world
),
color,
bottomleft
);
verticesRect[vertexCountRect++] = new VertexPositionColorTexture(
VectorMath.Transform(
pos + right * sz.X - up * sz.Y, world
),
color,
topleft
);
verticesRect[vertexCountRect++] = new VertexPositionColorTexture(
VectorMath.Transform(
pos - right * sz.X + up * sz.Y, world
),
color,
bottomright
);
verticesRect[vertexCountRect++] = new VertexPositionColorTexture(
VectorMath.Transform(
pos + right * sz.X + up * sz.Y, world
),
color,
topright
);
//
var z = RenderHelpers.GetZ(camera.Position, pos);
buffer.AddCommand(
this,
rendat[billboardCount].GetHashCode(),
billboardCount,
layer,
z
);
billboardCount++;
}