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#include "../../../common/binary_writer.h"
#include "../binary_writer_visitor.h"
namespace whiteout {
namespace m2 {
using common::BinaryWriter;
void BinaryWriterVisitor::visit(const PhysicsFrame& frame) {
writer.write(frame.axisX);
writer.write(frame.axisY);
writer.write(frame.axisZ);
writer.write(frame.origin);
}
void BinaryWriterVisitor::visit(const PhysicsBody& body, PhysBodyLayout layout) {
writer.write(static_cast<u16>(body.type));
const bool legacy = layout == PhysBodyLayout::Body || layout == PhysBodyLayout::Body2;
if (legacy) {
writer.writePadding(2);
writer.write(body.position);
writer.write(body.boneIndex);
writer.writePadding(2);
writer.write(body.shapeIndex);
writer.write(body.shapeCount);
if (layout == PhysBodyLayout::Body2) {
writer.write(body.inertiaScale);
}
return;
}
writer.write(body.boneIndex);
writer.write(body.position);
writer.write(static_cast<u16>(body.shapeIndex));
writer.writePadding(2);
writer.write(body.shapeCount);
writer.write(body.gravityScale);
writer.write(body.inertiaScale);
writer.write(body.linearDamping);
writer.write(body.angularDamping);
writer.write(body.unknown28);
if (layout == PhysBodyLayout::Body4) {
writer.write(body.unknown2c);
writer.write(body.padding2e);
}
}
void BinaryWriterVisitor::visit(const PhysicsShape& shape, PhysShapeLayout layout) {
writer.write(static_cast<u16>(shape.shapeType));
writer.write(shape.shapeIndex);
writer.write(shape.padding04);
writer.write(shape.friction);
writer.write(shape.restitution);
writer.write(shape.density);
if (layout == PhysShapeLayout::Shape2) {
writer.write(shape.unknown14);
writer.write(shape.scale);
writer.write(shape.unknown1c);
writer.write(shape.padding1e);
}
}
void BinaryWriterVisitor::visit(const BoxShape& shape) {
visit(shape.frame);
writer.write(shape.halfExtents);
}
void BinaryWriterVisitor::visit(const CapsuleShape& shape) {
writer.write(shape.localPosition1);
writer.write(shape.localPosition2);
writer.write(shape.radius);
}
void BinaryWriterVisitor::visit(const SphereShape& shape) {
writer.write(shape.localPosition);
writer.write(shape.radius);
}
void BinaryWriterVisitor::visit(const PhysicsJoint& joint) {
writer.write(joint.bodyAIndex);
writer.write(joint.bodyBIndex);
writer.write(joint.padding08);
writer.write(static_cast<u16>(joint.jointType));
writer.write(joint.jointId);
}
void BinaryWriterVisitor::visit(const WeldJoint& joint, PhysWeldLayout layout) {
visit(joint.frameA);
visit(joint.frameB);
writer.write(joint.angularFrequencyHz);
writer.write(joint.angularDampingRatio);
if (layout == PhysWeldLayout::Weld) {
return;
}
writer.write(joint.linearFrequencyHz);
writer.write(joint.linearDampingRatio);
if (layout == PhysWeldLayout::Weld3) {
writer.write(joint.unknown70);
}
}
void BinaryWriterVisitor::visit(const SphericalJoint& joint) {
writer.write(joint.anchorA);
writer.write(joint.anchorB);
writer.write(joint.frictionTorque);
}
void BinaryWriterVisitor::visit(const ShoulderJoint& joint, PhysShoulderLayout layout) {
visit(joint.frameA);
visit(joint.frameB);
writer.write(joint.lowerTwistAngle);
writer.write(joint.upperTwistAngle);
writer.write(joint.coneAngle);
if (layout == PhysShoulderLayout::Shoulder) {
return;
}
writer.write(joint.maxMotorTorque);
writer.write(joint.motorMode);
if (layout == PhysShoulderLayout::Shoulder2) {
writer.write(joint.motorFrequencyHz);
writer.write(joint.motorDampingRatio);
}
}
void BinaryWriterVisitor::visit(const PrismaticJoint& joint, PhysMotorLayout layout) {
visit(joint.frameA);
visit(joint.frameB);
writer.write(joint.lowerLimit);
writer.write(joint.upperLimit);
writer.write(joint.unknown68);
writer.write(joint.maxMotorForce);
writer.write(joint.unknown70);
writer.write(joint.motorMode);
if (layout == PhysMotorLayout::Sprung) {
writer.write(joint.motorFrequencyHz);
writer.write(joint.motorDampingRatio);
}
}
void BinaryWriterVisitor::visit(const RevoluteJoint& joint, PhysMotorLayout layout) {
visit(joint.frameA);
visit(joint.frameB);
writer.write(joint.lowerAngle);
writer.write(joint.upperAngle);
writer.write(joint.maxMotorTorque);
writer.write(joint.motorMode);
if (layout == PhysMotorLayout::Sprung) {
writer.write(joint.motorFrequencyHz);
writer.write(joint.motorDampingRatio);
}
}
void BinaryWriterVisitor::visit(const DistanceJoint& joint) {
writer.write(joint.localAnchorA);
writer.write(joint.localAnchorB);
writer.write(joint.distance);
}
void BinaryWriterVisitor::visit(const PhysicsTuning& tuning) {
writer.write(tuning.values);
}
// Counts come back from the vectors, and the four pointer fields go out zero —
// the client fills those in once the payload is in memory.
void BinaryWriterVisitor::visit(const std::vector<PolytopeShape>& shapes) {
writer.write(static_cast<u32>(shapes.size()));
for (const auto& shape : shapes) {
writer.write(static_cast<u32>(shape.vertices.size()));
writer.write(shape.padding04);
writer.write<u64>(0);
writer.write(static_cast<u32>(shape.facePlanes.size()));
writer.write(shape.padding14);
writer.write<u64>(0);
writer.write<u64>(0);
writer.write(static_cast<u32>(shape.edges.size()));
writer.write(shape.padding2c);
writer.write<u64>(0);
writer.write(shape.centroid);
writer.write(shape.volume);
writer.write(shape.surfaceArea);
writer.write(shape.padding4c);
}
for (const auto& shape : shapes) {
writer.write(shape.vertices);
writer.write(shape.facePlanes);
writer.write(shape.faceFirstEdges);
for (const auto& edge : shape.edges) {
writer.write(edge.twinOffset);
writer.write(edge.originVertex);
writer.write(edge.faceIndex);
writer.write(edge.nextEdge);
}
}
}
} // namespace m2
} // namespace whiteout