76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
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#include "Components/RigidbodyComponent.h"
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#include <algorithm>
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#include <cmath>
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#include <sstream>
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namespace XCEngine {
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namespace Components {
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namespace {
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float SanitizePositiveFinite(float value, float fallback) {
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return std::isfinite(value) && value > 0.0f ? value : fallback;
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}
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float SanitizeNonNegativeFinite(float value, float fallback) {
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return std::isfinite(value) && value >= 0.0f ? value : fallback;
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}
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} // namespace
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void RigidbodyComponent::SetMass(float value) {
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m_mass = SanitizePositiveFinite(value, 1.0f);
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}
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void RigidbodyComponent::SetLinearDamping(float value) {
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m_linearDamping = SanitizeNonNegativeFinite(value, 0.0f);
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}
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void RigidbodyComponent::SetAngularDamping(float value) {
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m_angularDamping = SanitizeNonNegativeFinite(value, 0.05f);
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}
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void RigidbodyComponent::Serialize(std::ostream& os) const {
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os << "bodyType=" << static_cast<int>(m_bodyType) << ";";
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os << "mass=" << m_mass << ";";
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os << "linearDamping=" << m_linearDamping << ";";
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os << "angularDamping=" << m_angularDamping << ";";
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os << "useGravity=" << (m_useGravity ? 1 : 0) << ";";
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os << "enableCCD=" << (m_enableCCD ? 1 : 0) << ";";
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}
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void RigidbodyComponent::Deserialize(std::istream& is) {
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std::string token;
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while (std::getline(is, token, ';')) {
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if (token.empty()) {
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continue;
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}
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const size_t eqPos = token.find('=');
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if (eqPos == std::string::npos) {
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continue;
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}
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const std::string key = token.substr(0, eqPos);
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const std::string value = token.substr(eqPos + 1);
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if (key == "bodyType") {
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m_bodyType = static_cast<Physics::PhysicsBodyType>(std::stoi(value));
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} else if (key == "mass") {
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SetMass(std::stof(value));
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} else if (key == "linearDamping") {
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SetLinearDamping(std::stof(value));
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} else if (key == "angularDamping") {
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SetAngularDamping(std::stof(value));
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} else if (key == "useGravity") {
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m_useGravity = (std::stoi(value) != 0);
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} else if (key == "enableCCD") {
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m_enableCCD = (std::stoi(value) != 0);
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}
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}
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}
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} // namespace Components
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} // namespace XCEngine
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