| 729 | |
| 730 | |
| 731 | void Item::updatePos(const U32 /*mask*/, const F32 dt) |
| 732 | { |
| 733 | // Try and move |
| 734 | Point3F pos; |
| 735 | mObjToWorld.getColumn(3,&pos); |
| 736 | delta.posVec = pos; |
| 737 | |
| 738 | bool contact = false; |
| 739 | bool nonStatic = false; |
| 740 | bool stickyNotify = false; |
| 741 | CollisionList collisionList; |
| 742 | F32 time = dt; |
| 743 | |
| 744 | static Polyhedron sBoxPolyhedron; |
| 745 | static ExtrudedPolyList sExtrudedPolyList; |
| 746 | static EarlyOutPolyList sEarlyOutPolyList; |
| 747 | MatrixF collisionMatrix(true); |
| 748 | Point3F end = pos + mVelocity * time; |
| 749 | U32 mask = isServerObject() ? sServerCollisionMask : sClientCollisionMask; |
| 750 | |
| 751 | // Part of our speed problem here is that we don't track contact surfaces, like we do |
| 752 | // with the player. In order to handle the most common and performance impacting |
| 753 | // instance of this problem, we'll use a ray cast to detect any contact surfaces below |
| 754 | // us. This won't be perfect, but it only needs to catch a few of these to make a |
| 755 | // big difference. We'll cast from the top center of the bounding box at the tick's |
| 756 | // beginning to the bottom center of the box at the end. |
| 757 | Point3F startCast((mObjBox.minExtents.x + mObjBox.maxExtents.x) * 0.5, |
| 758 | (mObjBox.minExtents.y + mObjBox.maxExtents.y) * 0.5, |
| 759 | mObjBox.maxExtents.z); |
| 760 | Point3F endCast((mObjBox.minExtents.x + mObjBox.maxExtents.x) * 0.5, |
| 761 | (mObjBox.minExtents.y + mObjBox.maxExtents.y) * 0.5, |
| 762 | mObjBox.minExtents.z); |
| 763 | collisionMatrix.setColumn(3, pos); |
| 764 | collisionMatrix.mulP(startCast); |
| 765 | collisionMatrix.setColumn(3, end); |
| 766 | collisionMatrix.mulP(endCast); |
| 767 | RayInfo rinfo; |
| 768 | bool doToughCollision = true; |
| 769 | disableCollision(); |
| 770 | if (mCollisionObject) |
| 771 | mCollisionObject->disableCollision(); |
| 772 | if (getContainer()->castRay(startCast, endCast, mask, &rinfo)) |
| 773 | { |
| 774 | F32 bd = -mDot(mVelocity, rinfo.normal); |
| 775 | |
| 776 | if (bd >= 0.0) |
| 777 | { |
| 778 | // Contact! |
| 779 | if (mDataBlock->sticky && rinfo.object->getTypeMask() & (STATIC_COLLISION_TYPEMASK)) { |
| 780 | mVelocity.set(0, 0, 0); |
| 781 | mAtRest = true; |
| 782 | mAtRestCounter = 0; |
| 783 | stickyNotify = true; |
| 784 | mStickyCollisionPos = rinfo.point; |
| 785 | mStickyCollisionNormal = rinfo.normal; |
| 786 | doToughCollision = false;; |
| 787 | } else { |
| 788 | // Subtract out velocity into surface and friction |
nothing calls this directly
no test coverage detected