Linked and unlinked vector packets

This commit is contained in:
Dan Paulat 2021-12-27 11:59:00 -06:00
parent ab702e9927
commit 96cd27adcb
6 changed files with 237 additions and 151 deletions

View file

@ -28,7 +28,7 @@ public:
uint16_t packet_code() const;
uint16_t length_of_block() const;
uint16_t value_of_vector() const;
std::optional<uint16_t> value_of_vector() const;
size_t data_size() const override;

View file

@ -0,0 +1,43 @@
#pragma once
#include <scwx/wsr88d/rpg/packet.hpp>
#include <cstdint>
#include <memory>
namespace scwx
{
namespace wsr88d
{
namespace rpg
{
class UnlinkedVectorPacketImpl;
class UnlinkedVectorPacket : public Packet
{
public:
explicit UnlinkedVectorPacket();
~UnlinkedVectorPacket();
UnlinkedVectorPacket(const UnlinkedVectorPacket&) = delete;
UnlinkedVectorPacket& operator=(const UnlinkedVectorPacket&) = delete;
UnlinkedVectorPacket(UnlinkedVectorPacket&&) noexcept;
UnlinkedVectorPacket& operator=(UnlinkedVectorPacket&&) noexcept;
uint16_t packet_code() const;
uint16_t length_of_block() const;
std::optional<uint16_t> value_of_vector() const;
size_t data_size() const override;
bool Parse(std::istream& is) override;
private:
std::unique_ptr<UnlinkedVectorPacketImpl> p;
};
} // namespace rpg
} // namespace wsr88d
} // namespace scwx

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@ -1,46 +0,0 @@
#pragma once
#include <scwx/wsr88d/message.hpp>
#include <cstdint>
#include <memory>
namespace scwx
{
namespace wsr88d
{
namespace rpg
{
class Vector2DImpl;
class Vector2D : public Message
{
public:
explicit Vector2D();
~Vector2D();
Vector2D(const Vector2D&) = delete;
Vector2D& operator=(const Vector2D&) = delete;
Vector2D(Vector2D&&) noexcept;
Vector2D& operator=(Vector2D&&) noexcept;
int16_t start_i() const;
int16_t start_j() const;
int16_t end_i() const;
int16_t end_j() const;
size_t data_size() const override;
bool Parse(std::istream& is) override;
static constexpr size_t SIZE = 8u;
private:
std::unique_ptr<Vector2DImpl> p;
};
} // namespace rpg
} // namespace wsr88d
} // namespace scwx

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@ -1,9 +1,6 @@
#include <scwx/wsr88d/rpg/linked_vector_packet.hpp>
#include <scwx/wsr88d/rpg/vector2d.hpp>
#include <array>
#include <istream>
#include <set>
#include <string>
#include <boost/log/trivial.hpp>
@ -22,14 +19,23 @@ class LinkedVectorPacketImpl
{
public:
explicit LinkedVectorPacketImpl() :
packetCode_ {}, lengthOfBlock_ {}, valueOfVector_ {}, vectorList_ {} {};
packetCode_ {},
lengthOfBlock_ {},
valueOfVector_ {},
startI_ {},
startJ_ {},
endI_ {},
endJ_ {} {};
~LinkedVectorPacketImpl() = default;
uint16_t packetCode_;
uint16_t lengthOfBlock_;
uint16_t valueOfVector_;
std::vector<Vector2D> vectorList_;
uint16_t startI_;
uint16_t startJ_;
std::vector<uint16_t> endI_;
std::vector<uint16_t> endJ_;
};
LinkedVectorPacket::LinkedVectorPacket() :
@ -52,9 +58,16 @@ uint16_t LinkedVectorPacket::length_of_block() const
return p->lengthOfBlock_;
}
uint16_t LinkedVectorPacket::value_of_vector() const
std::optional<uint16_t> LinkedVectorPacket::value_of_vector() const
{
return p->valueOfVector_;
std::optional<uint16_t> value;
if (p->packetCode_ == 9)
{
value = p->valueOfVector_;
}
return value;
}
size_t LinkedVectorPacket::data_size() const
@ -72,7 +85,7 @@ bool LinkedVectorPacket::Parse(std::istream& is)
p->packetCode_ = ntohs(p->packetCode_);
p->lengthOfBlock_ = ntohs(p->lengthOfBlock_);
size_t vectorSize = p->lengthOfBlock_;
int vectorSize = static_cast<int>(p->lengthOfBlock_) - 2;
if (is.eof())
{
@ -87,15 +100,28 @@ bool LinkedVectorPacket::Parse(std::istream& is)
vectorSize -= 2;
}
// The number of vectors is equal to the size divided by the number of bytes
// in a vector
size_t vectorCount = Vector2D::SIZE / 8;
is.read(reinterpret_cast<char*>(&p->startI_), 2);
is.read(reinterpret_cast<char*>(&p->startJ_), 2);
for (size_t v = 0; v < vectorCount && !is.eof(); v++)
p->startI_ = ntohs(p->startI_);
p->startJ_ = ntohs(p->startJ_);
// The number of vectors is equal to the size divided by the number of bytes
// in a vector coordinate
int vectorCount = vectorSize / 4;
uint16_t endI;
uint16_t endJ;
for (int v = 0; v < vectorCount && !is.eof(); v++)
{
Vector2D vector;
vector.Parse(is);
p->vectorList_.push_back(std::move(vector));
is.read(reinterpret_cast<char*>(&endI), 2);
is.read(reinterpret_cast<char*>(&endJ), 2);
endI = ntohs(endI);
endJ = ntohs(endJ);
p->endI_.push_back(endI);
p->endJ_.push_back(endJ);
}
if (is.eof())

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@ -0,0 +1,150 @@
#include <scwx/wsr88d/rpg/unlinked_vector_packet.hpp>
#include <istream>
#include <string>
#include <boost/log/trivial.hpp>
namespace scwx
{
namespace wsr88d
{
namespace rpg
{
static const std::string logPrefix_ =
"[scwx::wsr88d::rpg::unlinked_vector_packet] ";
class UnlinkedVectorPacketImpl
{
public:
explicit UnlinkedVectorPacketImpl() :
packetCode_ {},
lengthOfBlock_ {},
valueOfVector_ {},
beginI_ {},
beginJ_ {},
endI_ {},
endJ_ {} {};
~UnlinkedVectorPacketImpl() = default;
uint16_t packetCode_;
uint16_t lengthOfBlock_;
uint16_t valueOfVector_;
std::vector<uint16_t> beginI_;
std::vector<uint16_t> beginJ_;
std::vector<uint16_t> endI_;
std::vector<uint16_t> endJ_;
};
UnlinkedVectorPacket::UnlinkedVectorPacket() :
p(std::make_unique<UnlinkedVectorPacketImpl>())
{
}
UnlinkedVectorPacket::~UnlinkedVectorPacket() = default;
UnlinkedVectorPacket::UnlinkedVectorPacket(UnlinkedVectorPacket&&) noexcept =
default;
UnlinkedVectorPacket&
UnlinkedVectorPacket::operator=(UnlinkedVectorPacket&&) noexcept = default;
uint16_t UnlinkedVectorPacket::packet_code() const
{
return p->packetCode_;
}
uint16_t UnlinkedVectorPacket::length_of_block() const
{
return p->lengthOfBlock_;
}
std::optional<uint16_t> UnlinkedVectorPacket::value_of_vector() const
{
std::optional<uint16_t> value;
if (p->packetCode_ == 10)
{
value = p->valueOfVector_;
}
return value;
}
size_t UnlinkedVectorPacket::data_size() const
{
return p->lengthOfBlock_ + 4u;
}
bool UnlinkedVectorPacket::Parse(std::istream& is)
{
bool blockValid = true;
is.read(reinterpret_cast<char*>(&p->packetCode_), 2);
is.read(reinterpret_cast<char*>(&p->lengthOfBlock_), 2);
p->packetCode_ = ntohs(p->packetCode_);
p->lengthOfBlock_ = ntohs(p->lengthOfBlock_);
int vectorSize = static_cast<int>(p->lengthOfBlock_);
if (is.eof())
{
BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Reached end of file";
blockValid = false;
}
else if (p->packetCode_ == 10)
{
is.read(reinterpret_cast<char*>(&p->valueOfVector_), 2);
p->valueOfVector_ = ntohs(p->valueOfVector_);
vectorSize -= 2;
}
// The number of vectors is equal to the size divided by the number of bytes
// in a vector
int vectorCount = vectorSize / 8;
uint16_t beginI;
uint16_t beginJ;
uint16_t endI;
uint16_t endJ;
for (int v = 0; v < vectorCount && !is.eof(); v++)
{
is.read(reinterpret_cast<char*>(&beginI), 2);
is.read(reinterpret_cast<char*>(&beginJ), 2);
is.read(reinterpret_cast<char*>(&endI), 2);
is.read(reinterpret_cast<char*>(&endJ), 2);
beginI = ntohs(beginI);
beginJ = ntohs(beginJ);
endI = ntohs(endI);
endJ = ntohs(endJ);
p->beginI_.push_back(beginI);
p->beginJ_.push_back(beginJ);
p->endI_.push_back(endI);
p->endJ_.push_back(endJ);
}
if (is.eof())
{
BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Reached end of file";
blockValid = false;
}
else
{
if (p->packetCode_ != 7 && p->packetCode_ != 10)
{
BOOST_LOG_TRIVIAL(warning)
<< logPrefix_ << "Invalid packet code: " << p->packetCode_;
blockValid = false;
}
}
return blockValid;
}
} // namespace rpg
} // namespace wsr88d
} // namespace scwx

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@ -1,87 +0,0 @@
#include <scwx/wsr88d/rpg/vector2d.hpp>
#include <array>
#include <istream>
#include <set>
#include <string>
#include <boost/log/trivial.hpp>
namespace scwx
{
namespace wsr88d
{
namespace rpg
{
static const std::string logPrefix_ = "[scwx::wsr88d::rpg::vector2d] ";
class Vector2DImpl
{
public:
explicit Vector2DImpl() : startI_ {}, startJ_ {}, endI_ {}, endJ_ {} {};
~Vector2DImpl() = default;
int16_t startI_;
int16_t startJ_;
int16_t endI_;
int16_t endJ_;
};
Vector2D::Vector2D() : p(std::make_unique<Vector2DImpl>()) {}
Vector2D::~Vector2D() = default;
Vector2D::Vector2D(Vector2D&&) noexcept = default;
Vector2D& Vector2D::operator=(Vector2D&&) noexcept = default;
int16_t Vector2D::start_i() const
{
return p->startI_;
}
int16_t Vector2D::start_j() const
{
return p->startJ_;
}
int16_t Vector2D::end_i() const
{
return p->endI_;
}
int16_t Vector2D::end_j() const
{
return p->endJ_;
}
size_t Vector2D::data_size() const
{
return SIZE;
}
bool Vector2D::Parse(std::istream& is)
{
bool blockValid = true;
is.read(reinterpret_cast<char*>(&p->startI_), 2);
is.read(reinterpret_cast<char*>(&p->startJ_), 2);
is.read(reinterpret_cast<char*>(&p->endI_), 2);
is.read(reinterpret_cast<char*>(&p->endJ_), 2);
p->startI_ = ntohs(p->startI_);
p->startJ_ = ntohs(p->startJ_);
p->endI_ = ntohs(p->endI_);
p->endJ_ = ntohs(p->endJ_);
if (is.eof())
{
BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Reached end of file";
blockValid = false;
}
return blockValid;
}
} // namespace rpg
} // namespace wsr88d
} // namespace scwx