public void DrawSkeletalModelDebugLines(SSBoneFrame bframe, Transform transform, Render render)
{
if(render.drawNormals)
{
foreach (var btag in bframe.BoneTags)
{
var tr = transform * btag.FullTransform;
DrawMeshDebugLines(btag.MeshBase, tr, new List<Vector3>(), new List<Vector3>(), render);
}
}
}
public void RenderSkeletalModel(LitShaderDescription shader, SSBoneFrame bframe, Matrix4 mvMatrix,
Matrix4 mvpMatrix)
{
foreach (var btag in bframe.BoneTags)
{
var mvTransform = mvMatrix.MultiplyByTransform(btag.FullTransform);
GL.UniformMatrix4(shader.ModelView, false, ref mvTransform);
var mvpTransform = mvpMatrix.MultiplyByTransform(btag.FullTransform);
GL.UniformMatrix4(shader.ModelViewProjection, false, ref mvpTransform);
RenderMesh(btag.MeshBase);
if (btag.MeshSlot != null)
{
RenderMesh(btag.MeshSlot);
}
}
}
public bool CreateItem(uint itemID, uint modelID, uint worldModelID, MenuItemType type, ushort count,
string name)
{
var model = GetModelByID(modelID);
if (model == null)
{
return false;
}
var bf = new SSBoneFrame();
bf.FromModel(model);
var item = new BaseItem
{
ID = itemID,
WorldModelId = worldModelID,
Type = type,
Count = count,
Name = (char) 0 + name, // TODO: Is it useful?
BoneFrame = bf
};
ItemsTree[item.ID] = item;
return true;
}
/// <summary>
/// Next frame and next anim calculation function.
/// </summary>
public static void GetNextFrame(SSBoneFrame bf, float time, StateChange stc, out short frame, out TR_ANIMATION anim,
AnimControlFlags animFlags)
{
var currAnim = bf.Animations.Model.Animations[(int) bf.Animations.CurrentAnimation];
frame = (short)((bf.Animations.FrameTime + time) / bf.Animations.Period);
frame = Math.Max(frame, (short)0); // paranoid checking
anim = bf.Animations.CurrentAnimation;
// Flag has a highest priority
if(animFlags == AnimControlFlags.LoopLastFrame)
{
if(frame >= currAnim.Frames.Count - 1)
{
frame = (short) (currAnim.Frames.Count - 1);
anim = bf.Animations.CurrentAnimation; // paranoid duplicate
}
return;
}
else if(animFlags == AnimControlFlags.Lock)
{
frame = 0;
anim = bf.Animations.CurrentAnimation;
return;
}
// Check next anim if frame >= frames.Count
if(frame >= currAnim.Frames.Count)
{
if(currAnim.NextAnim != null)
{
frame = (short)currAnim.NextFrame;
anim = currAnim.NextAnim.ID;
return;
}
frame = (short)(frame % currAnim.Frames.Count);
anim = bf.Animations.CurrentAnimation; // paranoid duplicate
return;
}
// State change check
if(stc != null)
{
foreach (var disp in stc.AnimDispatch)
{
if(disp.FrameHigh >= disp.FrameLow && frame.IsBetween(disp.FrameLow, disp.FrameHigh))
{
anim = disp.NextAnim;
frame = (short) disp.NextFrame;
return;
}
}
}
}
public Entity(uint id)
{
ID = id;
MoveType = MoveType.OnFloor;
Self = new EngineContainer();
Transform = new Transform();
Transform.SetIdentity();
Self.Object = this;
Self.ObjectType = OBJECT_TYPE.Entity;
Self.Room = null;
Self.CollisionType = COLLISION_TYPE.None;
OBB = new OBB();
OBB.Transform = Transform;
Bt = new BtEntityData();
Bt.BtBody = new List<RigidBody>();
Bt.BtJoints = new List<TypedConstraint>();
Bt.NoFixAll = false;
Bt.NoFixBodyParts = 0x0000000;
Bt.ManifoldArray = null;
Bt.Shapes = new List<CollisionShape>();
Bt.GhostObjects = new List<PairCachingGhostObject>();
Bt.LastCollisions = new List<EntityCollisionNode>();
Bf = new SSBoneFrame();
Bf.Animations = new SSAnimation();
Bf.Animations.Model = null;
Bf.Animations.ClearOnFrame();
Bf.Animations.FrameTime = 0.0f;
Bf.Animations.LastState = TR_STATE.LaraWalkForward;
Bf.Animations.NextState = TR_STATE.LaraWalkForward;
Bf.Animations.Lerp = 0.0f;
Bf.Animations.CurrentAnimation = TR_ANIMATION.LaraRun;
Bf.Animations.CurrentFrame = 0;
Bf.Animations.NextAnimation = TR_ANIMATION.LaraRun;
Bf.Animations.NextFrame = 0;
Bf.Animations.Next = null;
Bf.BoneTags = new List<SSBoneTag>();
Bf.BBMax = Vector3.Zero;
Bf.BBMin = Vector3.Zero;
Bf.Centre = Vector3.Zero;
Bf.Position = Vector3.Zero;
Speed = Vector3.Zero;
}
public static void UpdateCurrentBoneFrame(SSBoneFrame bf, Transform etr)
{
var btag = bf.BoneTags[0];
var model = bf.Animations.Model;
var nextBf = model.Animations[(int) bf.Animations.NextAnimation].Frames[bf.Animations.NextFrame];
var currBf = model.Animations[(int) bf.Animations.CurrentAnimation].Frames[bf.Animations.CurrentFrame];
var tr = Vector3.Zero;
var cmd_tr = Vector3.Zero;
if (etr != null && currBf.Command.HasFlagUns(ANIM_CMD.Move))
{
tr = etr.Basis.MultiplyByVector(currBf.Move);
cmd_tr = tr * bf.Animations.Lerp;
}
bf.BBMax = currBf.BBMax.Lerp(nextBf.BBMax, bf.Animations.Lerp) + cmd_tr;
bf.BBMin = currBf.BBMin.Lerp(nextBf.BBMin, bf.Animations.Lerp) + cmd_tr;
bf.Centre = currBf.Centre.Lerp(nextBf.Centre, bf.Animations.Lerp) + cmd_tr;
bf.Position = currBf.Position.Lerp(nextBf.Position, bf.Animations.Lerp) + cmd_tr;
var next_btag = nextBf.BoneTags[0];
var src_btag = currBf.BoneTags[0];
for (var k = 0;
k < currBf.BoneTags.Count;)
{
btag.Offset = src_btag.Offset.Lerp(next_btag.Offset, bf.Animations.Lerp);
btag.Transform.Origin = btag.Offset;
btag.Transform.Origin.Z = 1.0f;
if(k == 0)
{
btag.Transform.Origin += bf.Position;
btag.QRotate = Quaternion.Slerp(src_btag.QRotate, next_btag.QRotate, bf.Animations.Lerp);
}
else
{
var ov_src_btag = src_btag;
var ov_next_btag = next_btag;
var ov_lerp = bf.Animations.Lerp;
for (var ov_anim = bf.Animations.Next; ov_anim != null; ov_anim = ov_anim.Next)
{
if (ov_anim.Model != null && ov_anim.Model.MeshTree[k].ReplaceAnim != 0)
{
var ov_curr_bf =
ov_anim.Model.Animations[(int) ov_anim.CurrentAnimation].Frames[ov_anim.CurrentFrame];
var ov_next_bf =
ov_anim.Model.Animations[(int) ov_anim.NextAnimation].Frames[ov_anim.NextFrame];
ov_src_btag = ov_curr_bf.BoneTags[k];
ov_next_btag = ov_next_bf.BoneTags[k];
ov_lerp = ov_anim.Lerp;
break;
}
}
btag.QRotate = Quaternion.Slerp(ov_src_btag.QRotate, ov_next_btag.QRotate, ov_lerp);
}
btag.Transform.Rotation = btag.QRotate;
k++;
if (k < bf.BoneTags.Count)
{
btag = bf.BoneTags[k];
src_btag = currBf.BoneTags[k];
next_btag = nextBf.BoneTags[k];
}
}
// build absolute coordinate matrix system
var btagI = 0;
btag = bf.BoneTags[btagI];
btag.FullTransform = btag.Transform;
var incBtag = new Action(() =>
{
btagI++;
btag = btagI < bf.BoneTags.Count ? bf.BoneTags[btagI] : null;
});
for(var k = 1; k < currBf.BoneTags.Count; k++, incBtag())
{
btag.FullTransform = (btag.Parent?.FullTransform ?? new Transform()) * btag.Transform;
}
}