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#include "../../../common/binary_reader.h"
#include "../binary_parse_visitor.h"
namespace whiteout {
namespace m2 {
using common::BinaryReader;
void BinaryParseVisitor::visit(PhysicsFrame& frame) {
frame.axisX = reader.read<Vector3f>();
frame.axisY = reader.read<Vector3f>();
frame.axisZ = reader.read<Vector3f>();
frame.origin = reader.read<Vector3f>();
}
void BinaryParseVisitor::visit(PhysicsBody& body, PhysBodyLayout layout) {
body.type = static_cast<PhysicsBodyType>(reader.read<u16>());
// BODY/BDY2 keep the bone index down at 0x10 and address shapes with a
// 32-bit base; BDY3 moved it up into this padding and shrank the base.
const bool legacy = layout == PhysBodyLayout::Body || layout == PhysBodyLayout::Body2;
if (legacy) {
reader.skip(2);
body.position = reader.read<Vector3f>();
body.boneIndex = reader.read<u16>();
reader.skip(2);
body.shapeIndex = reader.read<i32>();
body.shapeCount = reader.read<i32>();
if (layout == PhysBodyLayout::Body2) {
body.inertiaScale = reader.read<f32>();
}
return;
}
body.boneIndex = reader.read<u16>();
body.position = reader.read<Vector3f>();
body.shapeIndex = reader.read<u16>();
reader.skip(2);
body.shapeCount = reader.read<i32>();
body.gravityScale = reader.read<f32>();
body.inertiaScale = reader.read<f32>();
body.linearDamping = reader.read<f32>();
body.angularDamping = reader.read<f32>();
body.unknown28 = reader.read<f32>();
if (layout == PhysBodyLayout::Body4) {
body.unknown2c = reader.read<u16>();
body.padding2e = reader.read<u16>();
}
}
void BinaryParseVisitor::visit(PhysicsShape& shape, PhysShapeLayout layout) {
shape.shapeType = static_cast<PhysicsShapeType>(reader.read<u16>());
shape.shapeIndex = reader.read<i16>();
shape.padding04 = reader.read<u32>();
shape.friction = reader.read<f32>();
shape.restitution = reader.read<f32>();
shape.density = reader.read<f32>();
if (layout == PhysShapeLayout::Shape2) {
shape.unknown14 = reader.read<f32>();
shape.scale = reader.read<f32>();
shape.unknown1c = reader.read<u16>();
shape.padding1e = reader.read<u16>();
}
}
void BinaryParseVisitor::visit(BoxShape& shape) {
visit(shape.frame);
shape.halfExtents = reader.read<Vector3f>();
}
void BinaryParseVisitor::visit(CapsuleShape& shape) {
shape.localPosition1 = reader.read<Vector3f>();
shape.localPosition2 = reader.read<Vector3f>();
shape.radius = reader.read<f32>();
}
void BinaryParseVisitor::visit(SphereShape& shape) {
shape.localPosition = reader.read<Vector3f>();
shape.radius = reader.read<f32>();
}
void BinaryParseVisitor::visit(PhysicsJoint& joint) {
joint.bodyAIndex = reader.read<u32>();
joint.bodyBIndex = reader.read<u32>();
joint.padding08 = reader.read<u32>();
joint.jointType = static_cast<PhysicsJointType>(reader.read<u16>());
joint.jointId = reader.read<i16>();
}
void BinaryParseVisitor::visit(WeldJoint& joint, PhysWeldLayout layout) {
visit(joint.frameA);
visit(joint.frameB);
joint.angularFrequencyHz = reader.read<f32>();
joint.angularDampingRatio = reader.read<f32>();
if (layout == PhysWeldLayout::Weld) {
return;
}
joint.linearFrequencyHz = reader.read<f32>();
joint.linearDampingRatio = reader.read<f32>();
if (layout == PhysWeldLayout::Weld3) {
joint.unknown70 = reader.read<f32>();
}
}
void BinaryParseVisitor::visit(SphericalJoint& joint) {
joint.anchorA = reader.read<Vector3f>();
joint.anchorB = reader.read<Vector3f>();
joint.frictionTorque = reader.read<f32>();
}
void BinaryParseVisitor::visit(ShoulderJoint& joint, PhysShoulderLayout layout) {
visit(joint.frameA);
visit(joint.frameB);
joint.lowerTwistAngle = reader.read<f32>();
joint.upperTwistAngle = reader.read<f32>();
joint.coneAngle = reader.read<f32>();
if (layout == PhysShoulderLayout::Shoulder) {
return;
}
joint.maxMotorTorque = reader.read<f32>();
joint.motorMode = reader.read<u32>();
if (layout == PhysShoulderLayout::Shoulder2) {
joint.motorFrequencyHz = reader.read<f32>();
joint.motorDampingRatio = reader.read<f32>();
}
}
void BinaryParseVisitor::visit(PrismaticJoint& joint, PhysMotorLayout layout) {
visit(joint.frameA);
visit(joint.frameB);
joint.lowerLimit = reader.read<f32>();
joint.upperLimit = reader.read<f32>();
joint.unknown68 = reader.read<f32>();
joint.maxMotorForce = reader.read<f32>();
joint.unknown70 = reader.read<f32>();
joint.motorMode = reader.read<u32>();
if (layout == PhysMotorLayout::Sprung) {
joint.motorFrequencyHz = reader.read<f32>();
joint.motorDampingRatio = reader.read<f32>();
}
}
void BinaryParseVisitor::visit(RevoluteJoint& joint, PhysMotorLayout layout) {
visit(joint.frameA);
visit(joint.frameB);
joint.lowerAngle = reader.read<f32>();
joint.upperAngle = reader.read<f32>();
joint.maxMotorTorque = reader.read<f32>();
joint.motorMode = reader.read<u32>();
if (layout == PhysMotorLayout::Sprung) {
joint.motorFrequencyHz = reader.read<f32>();
joint.motorDampingRatio = reader.read<f32>();
}
}
void BinaryParseVisitor::visit(DistanceJoint& joint) {
joint.localAnchorA = reader.read<Vector3f>();
joint.localAnchorB = reader.read<Vector3f>();
joint.distance = reader.read<f32>();
}
void BinaryParseVisitor::visit(PhysicsTuning& tuning) {
tuning.values = reader.readArray<f32, 6>();
}
// PLYT is the one chunk that sizes itself: a count, then that many fixed-size
// headers, then that many payloads whose lengths come from the headers. The
// two halves are read together so the payload split is never guessed.
void BinaryParseVisitor::visit(std::vector<PolytopeShape>& shapes) {
const u32 count = reader.read<u32>();
shapes.clear();
shapes.resize(count);
struct Counts {
u32 vertices;
u32 faces;
u32 edges;
};
std::vector<Counts> counts(count);
for (u32 i = 0; i < count; ++i) {
auto& shape = shapes[i];
counts[i].vertices = reader.read<u32>();
shape.padding04 = reader.read<u32>();
reader.skip(8); // runtime vertex pointer, always 0 on disk
counts[i].faces = reader.read<u32>();
shape.padding14 = reader.read<u32>();
reader.skip(8); // runtime face-plane pointer
reader.skip(8); // runtime face-edge pointer
counts[i].edges = reader.read<u32>();
shape.padding2c = reader.read<u32>();
reader.skip(8); // runtime half-edge pointer
shape.centroid = reader.read<Vector3f>();
shape.volume = reader.read<f32>();
shape.surfaceArea = reader.read<f32>();
shape.padding4c = reader.read<u32>();
}
for (u32 i = 0; i < count; ++i) {
auto& shape = shapes[i];
shape.vertices = reader.read<std::vector<Vector3f>>(counts[i].vertices);
shape.facePlanes = reader.read<std::vector<Vector4f>>(counts[i].faces);
shape.faceFirstEdges = reader.read<std::vector<u8>>(counts[i].faces);
shape.edges.resize(counts[i].edges);
for (auto& edge : shape.edges) {
edge.twinOffset = reader.read<i8>();
edge.originVertex = reader.read<u8>();
edge.faceIndex = reader.read<u8>();
edge.nextEdge = reader.read<u8>();
}
}
}
} // namespace m2
} // namespace whiteout