Linked vector packet

wxdata/source/scwx/wsr88d/rpg/linked_vector_packet.cpp

@@ -0,0 +1,121 @@
+#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>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::linked_vector_packet] ";
+
+class LinkedVectorPacketImpl
+{
+public:
+   explicit LinkedVectorPacketImpl() :
+       packetCode_ {}, lengthOfBlock_ {}, valueOfVector_ {}, vectorList_ {} {};
+   ~LinkedVectorPacketImpl() = default;
+
+   uint16_t packetCode_;
+   uint16_t lengthOfBlock_;
+   uint16_t valueOfVector_;
+
+   std::vector<Vector2D> vectorList_;
+};
+
+LinkedVectorPacket::LinkedVectorPacket() :
+    p(std::make_unique<LinkedVectorPacketImpl>())
+{
+}
+LinkedVectorPacket::~LinkedVectorPacket() = default;
+
+LinkedVectorPacket::LinkedVectorPacket(LinkedVectorPacket&&) noexcept = default;
+LinkedVectorPacket&
+LinkedVectorPacket::operator=(LinkedVectorPacket&&) noexcept = default;
+
+uint16_t LinkedVectorPacket::packet_code() const
+{
+   return p->packetCode_;
+}
+
+uint16_t LinkedVectorPacket::length_of_block() const
+{
+   return p->lengthOfBlock_;
+}
+
+uint16_t LinkedVectorPacket::value_of_vector() const
+{
+   return p->valueOfVector_;
+}
+
+size_t LinkedVectorPacket::data_size() const
+{
+   return p->lengthOfBlock_ + 4u;
+}
+
+bool LinkedVectorPacket::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_);
+
+   size_t vectorSize = p->lengthOfBlock_;
+
+   if (is.eof())
+   {
+      BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Reached end of file";
+      blockValid = false;
+   }
+   else if (p->packetCode_ == 9)
+   {
+      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
+   size_t vectorCount = Vector2D::SIZE / 8;
+
+   for (size_t v = 0; v < vectorCount && !is.eof(); v++)
+   {
+      Vector2D vector;
+      vector.Parse(is);
+      p->vectorList_.push_back(std::move(vector));
+   }
+
+   if (is.eof())
+   {
+      BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Reached end of file";
+      blockValid = false;
+   }
+   else
+   {
+      if (p->packetCode_ != 6 && p->packetCode_ != 9)
+      {
+         BOOST_LOG_TRIVIAL(warning)
+            << logPrefix_ << "Invalid packet code: " << p->packetCode_;
+         blockValid = false;
+      }
+   }
+
+   return blockValid;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx

wxdata/source/scwx/wsr88d/rpg/packet.cpp

@@ -0,0 +1,20 @@
+#include <scwx/wsr88d/rpg/packet.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ = "[scwx::wsr88d::rpg::packet] ";
+
+Packet::Packet()  = default;
+Packet::~Packet() = default;
+
+Packet::Packet(Packet&&) noexcept = default;
+Packet& Packet::operator=(Packet&&) noexcept = default;
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx

wxdata/source/scwx/wsr88d/rpg/vector2d.cpp

@@ -0,0 +1,87 @@
+#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