Ejemplo n.º 1
0
 public void undoPrecedingTransform(SSSkeletalJointLocation parentLoc)
 {
     var parOrientInverse = parentLoc.orientation.Inverted ();
     orientation = Quaternion.Multiply (parOrientInverse, orientation);
     orientation.Normalize ();
     position = Vector3.Transform (position - parentLoc.position, parOrientInverse);
 }
Ejemplo n.º 2
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 public void applyPrecedingTransform(SSSkeletalJointLocation parentLoc)
 {
     position = parentLoc.position
         + Vector3.Transform (position, parentLoc.orientation);
     orientation = Quaternion.Multiply (parentLoc.orientation, orientation);
     orientation.Normalize ();
 }
Ejemplo n.º 3
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 public void applyPrecedingTransform(SSSkeletalJointLocation parentLoc)
 {
     position = parentLoc.position
                + Vector3.Transform(position, parentLoc.orientation);
     orientation = Quaternion.Multiply(parentLoc.orientation, orientation);
     orientation.Normalize();
 }
Ejemplo n.º 4
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        public void undoPrecedingTransform(SSSkeletalJointLocation parentLoc)
        {
            var parOrientInverse = parentLoc.orientation.Inverted();

            orientation = Quaternion.Multiply(parOrientInverse, orientation);
            orientation.Normalize();
            position = Vector3.Transform(position - parentLoc.position, parOrientInverse);
        }
Ejemplo n.º 5
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        public SSSkeletalAnimation(int frameRate,
									SSSkeletalJoint[] jointInfo,
									SSSkeletalJointLocation[][] frames,
									SSAABB[] bounds = null)
        {
            _hierarchy = jointInfo;
            _frames = frames;
            _bounds = bounds;
            _frameRate = frameRate;
        }
Ejemplo n.º 6
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        public static SSSkeletalJointLocation interpolate(
			SSSkeletalJointLocation left, 
			SSSkeletalJointLocation right, 
			float blend)
        {
            SSSkeletalJointLocation ret;
            ret.position = Vector3.Lerp(left.position, right.position, blend);
            ret.orientation = Quaternion.Slerp (left.orientation, right.orientation, blend);
            return ret;
        }
Ejemplo n.º 7
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        private SSSkeletalAnimationMD5 readAnimation()
        {
            Match[] matches;

            // header
            seekEntry ("MD5Version", "10");
            seekEntry ("commandline", SSMD5Parser._quotedStrRegex);

            matches = seekEntry ("numFrames", SSMD5Parser._uintRegex);
            var numFrames = Convert.ToInt32 (matches [1].Value);

            matches = seekEntry ("numJoints", SSMD5Parser._uintRegex);
            var numJoints = Convert.ToInt32 (matches [1].Value);

            matches = seekEntry ("frameRate", SSMD5Parser._uintRegex);
            var frameRate = Convert.ToInt32 (matches [1].Value);

            matches = seekEntry ("numAnimatedComponents", SSMD5Parser._uintRegex);
            int numAnimatedComponents = Convert.ToInt32 (matches [1].Value);
            var floatComponents = new float[numAnimatedComponents];

            // hierarchy
            seekEntry ("hierarchy", "{");
            var hierarchy = new SSSkeletalJoint[numJoints];
            var flags = new byte[numJoints];
            for (int j = 0; j < numJoints; ++j) {
                hierarchy [j] = readHierarchyEntry (out flags [j]);
            }
            seekEntry ("}");

            // bounds
            seekEntry ("bounds", "{");
            var bounds = new SSAABB[numFrames];
            for (int f = 0; f < numFrames; ++f) {
                bounds [f] = readBounds ();
            }
            seekEntry ("}");

            // base frame
            seekEntry ("baseframe", "{");
            for (int j = 0; j < numJoints; ++j) {
                hierarchy[j].bindPoseLocation = readBaseFrame ();
            }
            seekEntry ("}");

            // frames
            var frames = new SSSkeletalJointLocation[numFrames][];
            for (int f = 0; f < numFrames; ++f) {
                matches = seekEntry ("frame", SSMD5Parser._uintRegex, "{");
                int frameIdx = Convert.ToInt32 (matches [1].Value);
                frames [frameIdx] = readFrameJoints (flags, hierarchy, floatComponents);
                seekEntry ("}");
            }
            return new SSSkeletalAnimationMD5 (frameRate, hierarchy, frames, bounds);
        }
Ejemplo n.º 8
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        public static SSSkeletalJointLocation interpolate(
            SSSkeletalJointLocation left,
            SSSkeletalJointLocation right,
            float blend)
        {
            SSSkeletalJointLocation ret;

            ret.position    = Vector3.Lerp(left.position, right.position, blend);
            ret.orientation = Quaternion.Slerp(left.orientation, right.orientation, blend);
            return(ret);
        }
Ejemplo n.º 9
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        private SSSkeletalJointLocation[] readFrameJoints(byte[] jointFlags,
                                                          SSSkeletalJoint[] jointInfos,
                                                          float[] floatComponents)
        {
            seekFloats(floatComponents);
            var thisFrameLocations = new SSSkeletalJointLocation[jointInfos.Length];
            int compIdx            = 0;

            for (int j = 0; j < jointInfos.Length; ++j)
            {
                byte                    flags     = jointFlags[j];
                SSSkeletalJoint         jointInfo = jointInfos [j];
                SSSkeletalJointLocation loc       = jointInfo.bindPoseLocation;
                if ((flags & (byte)LocationFlags.Tx) != 0)
                {
                    loc.position.X = floatComponents [compIdx++];
                }
                if ((flags & (byte)LocationFlags.Ty) != 0)
                {
                    loc.position.Y = floatComponents [compIdx++];
                }
                if ((flags & (byte)LocationFlags.Tz) != 0)
                {
                    loc.position.Z = floatComponents [compIdx++];
                }
                if ((flags & (byte)LocationFlags.Qx) != 0)
                {
                    loc.orientation.X = floatComponents [compIdx++];
                }
                if ((flags & (byte)LocationFlags.Qy) != 0)
                {
                    loc.orientation.Y = floatComponents [compIdx++];
                }
                if ((flags & (byte)LocationFlags.Qz) != 0)
                {
                    loc.orientation.Z = floatComponents [compIdx++];
                }
                loc.computeQuatW();

                                #if false
                if (jointInfo.ParentIndex >= 0)                   // has a parent
                {
                    SSSkeletalJointLocation parentLoc = thisFrameLocations [jointInfo.ParentIndex];
                    loc.Position = parentLoc.Position
                                   + Vector3.Transform(loc.Position, parentLoc.Orientation);
                    loc.Orientation = Quaternion.Multiply(parentLoc.Orientation,
                                                          loc.Orientation);
                    loc.Orientation.Normalize();
                }
                                #endif
                thisFrameLocations[j] = loc;
            }
            return(thisFrameLocations);
        }
        public override SSSkeletalJointLocation computeJointLocation(SSSkeletalJointRuntime joint)
        {
            if (_neutralViewDirty)
            {
                Quaternion precedingBindPoseOrient = Quaternion.Identity;
                for (var j = joint.parent; j != null; j = j.parent)
                {
                    precedingBindPoseOrient = Quaternion.Multiply(
                        joint.baseInfo.bindPoseLocation.orientation, precedingBindPoseOrient);
                }
                Quaternion precedingInverted = precedingBindPoseOrient.Inverted();
                _neutralViewDirectionLocal = Vector3.Transform(_neutralViewDirectionBindPose, precedingInverted)
                                             .Normalized();
                _neutralViewUpLocal = Vector3.Transform(_neutralViewUpBindPose, precedingInverted)
                                      .Normalized();
                _neutralViewYLocal = Vector3.Transform(
                    Vector3.Cross(_neutralViewDirectionBindPose, _neutralViewUpBindPose), precedingInverted)
                                     .Normalized();
                _neutralViewDirty = false;
            }

            SSSkeletalJointLocation ret = new SSSkeletalJointLocation();

            ret.position = jointPositionLocal;

            if (targetObject != null)
            {
                Vector3 targetPosInMesh
                    = Vector3.Transform(targetObject.Pos, _hostObject.worldMat.Inverted());
                Vector3 targetPosInLocal = targetPosInMesh;
                if (joint.parent != null)
                {
                    targetPosInLocal = joint.parent.currentLocation.undoTransformTo(targetPosInLocal);
                }
                Vector3 targetDirLocal = targetPosInLocal - jointPositionLocal;
                Vector3 nvDir          = new Vector3();
                nvDir.X = Vector3.Dot(targetDirLocal, _neutralViewDirectionLocal);
                nvDir.Y = Vector3.Dot(targetDirLocal, _neutralViewYLocal);
                nvDir.Z = Vector3.Dot(targetDirLocal, _neutralViewUpLocal);

                float theta = -(float)Math.Atan2(nvDir.Y, nvDir.X);
                float phi   = (float)Math.Atan2(nvDir.Z, nvDir.Xy.LengthFast);

                Quaternion neededRotation = Quaternion.FromAxisAngle(_neutralViewUpLocal, theta)
                                            * Quaternion.FromAxisAngle(_neutralViewYLocal, phi);
                ret.orientation = neutralViewOrientationLocal * neededRotation;
            }
            else
            {
                ret.orientation = neutralViewOrientationLocal;
            }
            return(ret);
        }
Ejemplo n.º 11
0
        /// <summary>
        /// Retrieves a joint location for a particular timestamp; in joint-local coordinates
        /// </summary>
        public SSSkeletalJointLocation computeJointFrame(int jointIdx, float t)
        {
            int leftFrameIdx = (int)(t / frameDuration);
            SSSkeletalJointLocation leftJointFrame = _frames [leftFrameIdx] [jointIdx];
            float remainder = t - ((float)leftFrameIdx * frameDuration);

            if (remainder == 0)
            {
                return(leftJointFrame);
            }
            else
            {
                SSSkeletalJointLocation rightJointFrame = _frames [leftFrameIdx + 1] [jointIdx];
                return(SSSkeletalJointLocation.interpolate(
                           leftJointFrame, rightJointFrame, remainder / frameDuration));
            }
        }
 public SSSkeletalJointLocation computeJointFrame(int jointIdx)
 {
     if (_currAnimation != null)
     {
         var loc = _currAnimation.computeJointFrame(jointIdx, _currT);
         if (_prevAnimation == null)
         {
             //GL.Color3 (1f, 0f, 0f);
             return(loc);
         }
         else
         {
             var prevTime = Math.Min(_prevT, _prevAnimation.totalDuration);
             var prevLoc  = _prevAnimation.computeJointFrame(jointIdx, prevTime);
                                     #if PREV_PREV_FADE
             if (_prevPrevAnimation != null)
             {
                 var prevPrevLoc = _prevPrevAnimation.ComputeJointFrame(jointIdx, _prevPrevT);
                 var prevFade    = _prevT / _prevTransitionTime;
                 prevLoc = SSSkeletalJointLocation.Interpolate(prevPrevLoc, prevLoc, prevFade);
             }
                                     #endif
             var fadeInRatio = _currT / _transitionTime;
             GL.Color3(fadeInRatio, 1f - fadeInRatio, 0);
             return(SSSkeletalJointLocation.interpolate(prevLoc, loc, fadeInRatio));
         }
     }
     else if (_prevAnimation != null)
     {
         //GL.Color3 (0f, 1f, 0f);
         return(_prevAnimation.computeJointFrame(jointIdx, _prevT));
     }
     else
     {
         var errMsg = "Attempting to compute a joint frame location from an inactive channel.";
         System.Console.WriteLine(errMsg);
         throw new Exception(errMsg);
     }
 }
Ejemplo n.º 13
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        private SSSkeletalJointLocation _computeJointLocWithControllers(
            SSSkeletalJointRuntime joint, List <SSSkeletalChannelController> controllers, int controllerIdx)
        {
            var channel = controllers [controllerIdx];

            if (channel.isActive(joint))
            {
                var channelLoc = channel.computeJointLocation(joint);
                if (joint.parent != null)
                {
                    channelLoc.applyPrecedingTransform(joint.parent.currentLocation);
                }
                if (!channel.interChannelFade ||
                    channel.interChannelFadeIndentisy() >= 1f ||
                    controllerIdx == 0)
                {
                    return(channelLoc);
                }
                else
                {
                    var fallbackLoc
                        = _computeJointLocWithControllers(joint, controllers, controllerIdx - 1);
                    return(SSSkeletalJointLocation.interpolate(
                               fallbackLoc, channelLoc, channel.interChannelFadeIndentisy()));
                }
            }
            else
            {
                if (controllerIdx > 0)
                {
                    return(_computeJointLocWithControllers(joint, controllers, controllerIdx - 1));
                }
                else
                {
                    throw new Exception("fell through without an active skeletal channel controller");
                }
            }
        }
Ejemplo n.º 14
0
        private SSSkeletalJointLocation[] readFrameJoints(byte[] jointFlags,
														  SSSkeletalJoint[] jointInfos,
														  float[] floatComponents)
        {
            seekFloats (floatComponents);
            var thisFrameLocations = new SSSkeletalJointLocation[jointInfos.Length];
            int compIdx = 0;
            for (int j = 0; j < jointInfos.Length; ++j) {
                byte flags = jointFlags[j];
                SSSkeletalJoint jointInfo = jointInfos [j];
                SSSkeletalJointLocation loc = jointInfo.bindPoseLocation;
                if ((flags & (byte)LocationFlags.Tx) != 0) {
                    loc.position.X = floatComponents [compIdx++];
                }
                if ((flags & (byte)LocationFlags.Ty) != 0) {
                    loc.position.Y = floatComponents [compIdx++];
                }
                if ((flags & (byte)LocationFlags.Tz) != 0) {
                    loc.position.Z = floatComponents [compIdx++];
                }
                if ((flags & (byte)LocationFlags.Qx) != 0) {
                    loc.orientation.X = floatComponents [compIdx++];
                }
                if ((flags & (byte)LocationFlags.Qy) != 0) {
                    loc.orientation.Y = floatComponents [compIdx++];
                }
                if ((flags & (byte)LocationFlags.Qz) != 0) {
                    loc.orientation.Z = floatComponents [compIdx++];
                }
                loc.computeQuatW ();

                #if false
                if (jointInfo.ParentIndex >= 0) { // has a parent
                    SSSkeletalJointLocation parentLoc = thisFrameLocations [jointInfo.ParentIndex];
                    loc.Position = parentLoc.Position
                        + Vector3.Transform (loc.Position, parentLoc.Orientation);
                    loc.Orientation = Quaternion.Multiply (parentLoc.Orientation,
                        loc.Orientation);
                    loc.Orientation.Normalize ();
                }
                #endif
                thisFrameLocations[j] = loc;
            }
            return thisFrameLocations;
        }
Ejemplo n.º 15
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        private SSSkeletalAnimationMD5 readAnimation()
        {
            Match[] matches;

            // header
            seekEntry("MD5Version", "10");
            seekEntry("commandline", SSMD5Parser._quotedStrRegex);

            matches = seekEntry("numFrames", SSMD5Parser._uintRegex);
            var numFrames = Convert.ToInt32(matches [1].Value);

            matches = seekEntry("numJoints", SSMD5Parser._uintRegex);
            var numJoints = Convert.ToInt32(matches [1].Value);

            matches = seekEntry("frameRate", SSMD5Parser._uintRegex);
            var frameRate = Convert.ToInt32(matches [1].Value);

            matches = seekEntry("numAnimatedComponents", SSMD5Parser._uintRegex);
            int numAnimatedComponents = Convert.ToInt32(matches [1].Value);
            var floatComponents       = new float[numAnimatedComponents];

            // hierarchy
            seekEntry("hierarchy", "{");
            var hierarchy = new SSSkeletalJoint[numJoints];
            var flags     = new byte[numJoints];

            for (int j = 0; j < numJoints; ++j)
            {
                hierarchy [j] = readHierarchyEntry(out flags [j]);
            }
            seekEntry("}");

            // bounds
            seekEntry("bounds", "{");
            var bounds = new SSAABB[numFrames];

            for (int f = 0; f < numFrames; ++f)
            {
                bounds [f] = readBounds();
            }
            seekEntry("}");

            // base frame
            seekEntry("baseframe", "{");
            for (int j = 0; j < numJoints; ++j)
            {
                hierarchy[j].bindPoseLocation = readBaseFrame();
            }
            seekEntry("}");

            // frames
            var frames = new SSSkeletalJointLocation[numFrames][];

            for (int f = 0; f < numFrames; ++f)
            {
                matches = seekEntry("frame", SSMD5Parser._uintRegex, "{");
                int frameIdx = Convert.ToInt32(matches [1].Value);
                frames [frameIdx] = readFrameJoints(flags, hierarchy, floatComponents);
                seekEntry("}");
            }
            return(new SSSkeletalAnimationMD5(frameRate, hierarchy, frames, bounds));
        }
Ejemplo n.º 16
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 public SSSkeletalJointRuntime(SSSkeletalJoint baseInfo)
 {
     _baseInfo = baseInfo;
     currentLocation = _baseInfo.bindPoseLocation;
 }
Ejemplo n.º 17
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 public SSSkeletalJointRuntime(SSSkeletalJoint baseInfo)
 {
     _baseInfo       = baseInfo;
     currentLocation = _baseInfo.bindPoseLocation;
 }
Ejemplo n.º 18
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        public SSSkeletalAnimationMD5(int frameRate,
									   SSSkeletalJoint[] jointInfo,
									   SSSkeletalJointLocation[][] frames,
									   SSAABB[] bounds)
            : base(frameRate, jointInfo, frames, bounds)
        {
        }
        public override SSSkeletalJointLocation computeJointLocation(SSSkeletalJointRuntime joint)
        {
            if (_neutralViewDirty) {
                Quaternion precedingBindPoseOrient = Quaternion.Identity;
                for (var j = joint.parent; j != null; j = j.parent) {
                    precedingBindPoseOrient = Quaternion.Multiply (
                        joint.baseInfo.bindPoseLocation.orientation, precedingBindPoseOrient);
                }
                Quaternion precedingInverted = precedingBindPoseOrient.Inverted ();
                _neutralViewDirectionLocal = Vector3.Transform (_neutralViewDirectionBindPose, precedingInverted)
                    .Normalized();
                _neutralViewUpLocal = Vector3.Transform (_neutralViewUpBindPose, precedingInverted)
                    .Normalized();
                _neutralViewYLocal = Vector3.Transform (
                    Vector3.Cross (_neutralViewDirectionBindPose, _neutralViewUpBindPose), precedingInverted)
                    .Normalized();
                _neutralViewDirty = false;
            }

            SSSkeletalJointLocation ret = new SSSkeletalJointLocation ();
            ret.position = jointPositionLocal;

            if (targetObject != null) {
                Vector3 targetPosInMesh
                    = Vector3.Transform (targetObject.Pos, _hostObject.worldMat.Inverted());
                Vector3 targetPosInLocal = targetPosInMesh;
                if (joint.parent != null) {
                    targetPosInLocal = joint.parent.currentLocation.undoTransformTo (targetPosInLocal);
                }
                Vector3 targetDirLocal = targetPosInLocal - jointPositionLocal;
                Vector3 nvDir = new Vector3();
                nvDir.X = Vector3.Dot (targetDirLocal, _neutralViewDirectionLocal);
                nvDir.Y = Vector3.Dot (targetDirLocal, _neutralViewYLocal);
                nvDir.Z = Vector3.Dot (targetDirLocal, _neutralViewUpLocal);

                float theta = -(float)Math.Atan2 (nvDir.Y, nvDir.X);
                float phi = (float)Math.Atan2 (nvDir.Z, nvDir.Xy.LengthFast);

                Quaternion neededRotation = Quaternion.FromAxisAngle (_neutralViewUpLocal, theta)
                                          * Quaternion.FromAxisAngle (_neutralViewYLocal, phi);
                ret.orientation = neutralViewOrientationLocal * neededRotation;
            } else {
                ret.orientation = neutralViewOrientationLocal;
            }
            return ret;
        }