pch migration to modules [wip]

world/Segment.cppm

@@ -0,0 +1,157 @@
+/*
+This Source Code Form is subject to the
+terms of the Mozilla Public License, v.
+2.0. If a copy of the MPL was not
+distributed with this file, You can
+obtain one at
+http://mozilla.org/MPL/2.0/.
+*/
+module;
+#include <cmath>
+#include <vector>
+
+export module eu07.simcore:segment;
+import eu07.utilities.parser;
+import :fwd;
+import eu07.glm;
+import eu07.utilities.classes;
+import eu07.rendering.geometrybank;
+
+export {
+
+
+
+struct map_colored_paths {
+	std::vector<gfx::geometrybank_handle> switches;
+	std::vector<gfx::geometrybank_handle> occupied;
+	std::vector<gfx::geometrybank_handle> future;
+    std::vector<gfx::geometrybank_handle> highlighted;
+};
+
+struct segment_data {
+// types
+    enum point {
+        start = 0,
+        control1,
+        control2,
+        end
+    };
+// members
+    std::array<glm::dvec3, 4> points {};
+    std::array<float, 2> rolls {};
+    float radius {};
+// constructors
+    segment_data() = default;
+// methods
+    void deserialize( cParser &Input, glm::dvec3 const &Offset );
+};
+
+class TSegment
+{ // aproksymacja toru (zwrotnica ma dwa takie, jeden z nich jest aktywny)
+  private:
+    glm::dvec3 Point1, CPointOut, CPointIn, Point2;
+    float
+        fRoll1 { 0.f },
+        fRoll2 { 0.f }; // przechyłka na końcach
+    double fLength { -1.0 }; // długość policzona
+    std::vector<double> fTsBuffer; // wartości parametru krzywej t dla równych odcinków s
+    std::vector<double> fTsSlope; // nachylenie dt/du (= dt/ds * fStep) w tych samych punktach
+    double fStep = 0.0;
+    int iSegCount = 0; // ilość odcinków do rysowania krzywej
+    double fDirection = 0.0; // Ra: kąt prostego w planie; dla łuku kąt od Point1
+    double fStoop = 0.0; // Ra: kąt wzniesienia; dla łuku od Point1
+	glm::dvec3 vA, vB, vC; // współczynniki wielomianów trzeciego stopnia vD==Point1
+    TTrack *pOwner = nullptr; // wskaźnik na właściciela
+
+    glm::dvec3 GetFirstDerivative(double const fTime) const;
+	double RombergIntegral(double const fA, double const fB) const;
+	void InitTFromSInterpolateData();
+	double GetTFromS(double const s) const;
+	double FastGetTFromS(double const s) const;
+	glm::dvec3 RaInterpolate(double const t) const;
+	glm::dvec3 RaInterpolate0(double const t) const;
+
+public:
+    bool bCurve = false;
+
+    TSegment(TTrack *owner);
+    bool Init(glm::dvec3 NewPoint1, glm::dvec3 NewPoint2, double fNewStep, double fNewRoll1 = 0, double fNewRoll2 = 0);
+	bool Init(glm::dvec3 &NewPoint1, glm::dvec3 NewCPointOut, glm::dvec3 NewCPointIn, glm::dvec3 &NewPoint2, double fNewStep, double fNewRoll1 = 0, double fNewRoll2 = 0, bool bIsCurve = true);
+    double
+        ComputeLength() const; // McZapkie-150503
+    // finds point on segment closest to specified point in 3d space. returns: point on segment as value in range 0-1
+    double
+        find_nearest_point( glm::dvec3 const &Point ) const;
+    inline 
+    glm::dvec3
+        GetDirection1() const {
+            return bCurve ? CPointOut - Point1 : CPointOut; };
+    inline
+    glm::dvec3
+        GetDirection2() const {
+            return bCurve ? CPointIn - Point2 : CPointIn; };
+	glm::dvec3
+        GetDirection(double const fDistance) const;
+    inline
+    glm::dvec3
+        GetDirection() const {
+            return CPointOut; };
+	glm::dvec3
+        FastGetDirection(double const fDistance, double const fOffset);
+/*
+    Math3D::vector3
+        GetPoint(double const fDistance) const;
+*/
+
+	/// <summary>
+	/// ustalenie pozycji osi na torze, przechyłki, pochylenia i kierunku jazdy
+	/// </summary>
+	/// <param name="fDistance">Distance from p1</param>
+	/// <param name="position">Calculated position</param>
+	/// <param name="rotation">Calculated rotation</param>
+	void RaPositionGet(double const fDistance, glm::dvec3 &position, glm::vec3 &rotation) const;
+	glm::dvec3 FastGetPoint(double const t) const;
+    inline
+    glm::dvec3
+        FastGetPoint_0() const {
+            return Point1; };
+    inline
+    glm::dvec3
+        FastGetPoint_1() const {
+            return Point2; };
+    inline
+    float
+        GetRoll(double const Distance) const {
+            return std::lerp( fRoll1, fRoll2, static_cast<float>(Distance / fLength) ); }
+    inline
+    void
+        GetRolls(float &r1, float &r2) const {
+            // pobranie przechyłek (do generowania trójkątów)
+            r1 = fRoll1;
+            r2 = fRoll2; }
+
+    bool
+        RenderLoft( gfx::vertex_array &Output, glm::dvec3 const &Origin, gfx::vertex_array const &ShapePoints, bool const Transition, double fTextureLength, double Texturescale = 1.0, int iSkip = 0, int iEnd = 0, std::pair<float, float> fOffsetX = {0.f, 0.f}, glm::vec3 **p = nullptr, bool bRender = true );
+/*
+    void
+        Render();
+*/
+    inline
+    double
+        GetLength() const {
+            return fLength; };
+    inline
+    int
+        RaSegCount() const {
+            return fTsBuffer.empty() ? 1 : iSegCount; };
+
+	void
+	    render_lines(std::vector<gfx::basic_vertex> &out, float quality = 1.0f) const;
+
+	glm::vec3
+	    get_nearest_point(const glm::dvec3 &point, float quality = 1.0f) const;
+};
+
+//---------------------------------------------------------------------------
+
+}  // export