Add base for physcollmap dumper

src/ObjWriting/Dumping/MapFile/MapFileDumper.cpp

@@ -0,0 +1,175 @@
+#include "MapFileDumper.h"
+
+#include <cassert>
+#include <iomanip>
+
+MapFileDumper::Vec3::Vec3(const float x, const float y, const float z)
+    : v{}
+{
+    m_x = x;
+    m_y = y;
+    m_z = z;
+}
+
+MapFileDumper::Vec3::Vec3(float v[3])
+    : v{v[0], v[1], v[2]}
+{
+}
+
+MapFileDumper::PhysicsBox::PhysicsBox(const Vec3 middlePoint, const Vec3 halfSize, const Vec3 orientationX, const Vec3 orientationY, const Vec3 orientationZ)
+    : m_middle_point(middlePoint),
+      m_half_size(halfSize),
+      m_orientation{orientationX, orientationY, orientationZ}
+{
+}
+
+MapFileDumper::PhysicsCylinder::PhysicsCylinder(const Vec3 middlePoint, const float radius, const float height, const Vec3 orientation)
+    : m_middle_point(middlePoint),
+      m_radius(radius),
+      m_height(height),
+      m_orientation(orientation)
+{
+}
+
+MapFileDumper::MapFileDumper(std::ostream& stream)
+    : m_stream(stream),
+      m_flags{},
+      m_indent(0u),
+      m_entity_index(0u),
+      m_brush_index(0u)
+{
+}
+
+void MapFileDumper::Indent() const
+{
+    for (auto i = 0u; i < m_indent; i++)
+        m_stream << "  ";
+}
+
+void MapFileDumper::IncIndent()
+{
+    ++m_indent;
+}
+
+void MapFileDumper::DecIndent()
+{
+    assert(m_indent > 0);
+    if (m_indent > 0)
+        m_indent--;
+}
+
+void MapFileDumper::Init() const
+{
+    m_stream << "iwmap 4\n";
+    m_stream << "\"000_Global\" flags active\n";
+    m_stream << "\"The Map\" flags\n";
+}
+
+void MapFileDumper::BeginEntity()
+{
+    assert(!m_flags.m_in_entity);
+    if (m_flags.m_in_entity)
+        return;
+
+    Indent();
+    m_stream << "// entity " << m_entity_index << "\n";
+
+    Indent();
+    m_stream << "{\n";
+
+    IncIndent();
+    m_entity_index++;
+    m_brush_index = 0;
+    m_flags.m_in_entity = true;
+}
+
+void MapFileDumper::EndEntity()
+{
+    assert(m_flags.m_in_entity);
+    if (!m_flags.m_in_entity)
+        return;
+
+    DecIndent();
+    Indent();
+    m_stream << "}\n";
+    m_flags.m_in_entity = false;
+}
+
+void MapFileDumper::BeginBrush()
+{
+    assert(m_flags.m_in_entity && !m_flags.m_in_brush);
+    if (m_flags.m_in_brush)
+        return;
+
+    Indent();
+    m_stream << "// brush " << m_brush_index << "\n";
+
+    Indent();
+    m_stream << "{\n";
+
+    IncIndent();
+    m_brush_index++;
+    m_flags.m_in_brush = true;
+}
+
+void MapFileDumper::EndBrush()
+{
+    assert(m_flags.m_in_entity && m_flags.m_in_brush);
+    if (!m_flags.m_in_brush)
+        return;
+
+    DecIndent();
+    Indent();
+    m_stream << "}\n";
+    m_flags.m_in_brush = false;
+}
+
+void MapFileDumper::WriteKeyValue(const std::string& key, const std::string& value) const
+{
+    assert(m_flags.m_in_brush || m_flags.m_in_entity);
+
+    Indent();
+    m_stream << "\"" << key << "\" \"" << value << "\"\n";
+}
+
+void MapFileDumper::WritePhysicsBox(const PhysicsBox box)
+{
+    Indent();
+    m_stream << "physics_box\n";
+    Indent();
+    m_stream << "{\n";
+    IncIndent();
+
+    Indent();
+    m_stream << std::fixed << std::setprecision(6)
+        << box.m_orientation[0].m_x << " " << box.m_orientation[0].m_y << " " << box.m_orientation[0].m_z
+        << " " << box.m_orientation[1].m_x << " " << box.m_orientation[1].m_y << " " << box.m_orientation[1].m_z
+        << " " << box.m_orientation[2].m_x << " " << box.m_orientation[2].m_y << " " << box.m_orientation[2].m_z
+        << " " << box.m_middle_point.m_x << " " << box.m_middle_point.m_y << " " << box.m_middle_point.m_z
+        << " " << box.m_half_size.m_x << " " << box.m_half_size.m_y << " " << box.m_half_size.m_z
+        << "\n";
+
+    DecIndent();
+    Indent();
+    m_stream << "}\n";
+}
+
+void MapFileDumper::WritePhysicsCylinder(PhysicsCylinder cylinder)
+{
+    Indent();
+    m_stream << "physics_cylinder\n";
+    Indent();
+    m_stream << "{\n";
+    IncIndent();
+
+    Indent();
+    m_stream << std::fixed << std::setprecision(6)
+        << cylinder.m_orientation.m_x << " " << cylinder.m_orientation.m_y << " " << cylinder.m_orientation.m_z
+        << " " << cylinder.m_middle_point.m_x << " " << cylinder.m_middle_point.m_y << " " << cylinder.m_middle_point.m_z
+        << " " << cylinder.m_height << " " << cylinder.m_radius
+        << "\n";
+
+    DecIndent();
+    Indent();
+    m_stream << "}\n";
+}

src/ObjWriting/Dumping/MapFile/MapFileDumper.h

@@ -0,0 +1,71 @@
+#pragma once
+
+#include <ostream>
+
+class MapFileDumper
+{
+public:
+    union Vec3
+    {
+        struct
+        {
+            float m_x;
+            float m_y;
+            float m_z;
+        };
+        float v[3];
+
+        Vec3(float x, float y, float z);
+        explicit Vec3(float v[3]);
+    };
+
+    struct PhysicsBox
+    {
+        Vec3 m_middle_point;
+        Vec3 m_half_size;
+        Vec3 m_orientation[3];
+
+        PhysicsBox(Vec3 middlePoint, Vec3 halfSize, Vec3 orientationX, Vec3 orientationY, Vec3 orientationZ);
+    };
+
+    struct PhysicsCylinder
+    {
+        Vec3 m_middle_point;
+        float m_radius;
+        float m_height;
+        Vec3 m_orientation;
+
+        PhysicsCylinder(Vec3 middlePoint, float radius, float height, Vec3 orientation);
+    };
+
+private:
+    std::ostream& m_stream;
+
+    struct
+    {
+        bool m_in_entity : 1;
+        bool m_in_brush : 1;
+    } m_flags;
+    size_t m_indent;
+    size_t m_entity_index;
+    size_t m_brush_index;
+
+    void Indent() const;
+    void IncIndent();
+    void DecIndent();
+
+public:
+    explicit MapFileDumper(std::ostream& stream);
+
+    void Init() const;
+
+    void BeginEntity();
+    void EndEntity();
+
+    void BeginBrush();
+    void EndBrush();
+
+    void WriteKeyValue(const std::string& key, const std::string& value) const;
+    void WritePhysicsBox(PhysicsBox box);
+    void WritePhysicsCylinder(PhysicsCylinder cylinder);
+};