Moved Stars45 to StarsEx

1 files changed, 158 insertions, 0 deletions

diff --git a/StarsEx/Polygon.h b/StarsEx/Polygon.h
new file mode 100644
index 0000000..e011afc
--- /dev/null
+++ b/StarsEx/Polygon.h
@@ -0,0 +1,158 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Polygon structures: VertexSet, Poly, Material
+*/
+
+#ifndef Polygon_h
+#define Polygon_h
+
+#include "Geometry.h"
+#include "Color.h"
+
+// +--------------------------------------------------------------------+
+
+class  Bitmap;
+struct Poly;
+struct Material;
+struct VertexSet;
+
+// +--------------------------------------------------------------------+
+
+struct Poly
+{
+    static const char* TYPENAME() { return "Poly"; }
+
+    enum { MAX_VERTS = 4 };
+
+    Poly()  { }
+    Poly(int init);
+    ~Poly() { }
+
+    int operator <  (const Poly& p) const { return sortval < p.sortval;  }
+    int operator == (const Poly& p) const { return this == &p;           }
+
+    int Contains(const Vec3& pt) const;
+
+    BYTE           nverts;
+    BYTE           visible;
+    WORD           verts[MAX_VERTS];
+    WORD           vlocs[MAX_VERTS];
+    VertexSet*     vertex_set;
+    Material*      material;
+    int            sortval;
+    float          flatness;
+    Plane          plane;
+};
+
+// +--------------------------------------------------------------------+
+
+struct Material
+{
+    static const char* TYPENAME() { return "Material"; }
+
+    enum BLEND_TYPE { MTL_SOLID=1, MTL_TRANSLUCENT=2, MTL_ADDITIVE=4 };
+    enum            { NAMELEN=32 };
+
+    Material();
+    ~Material();
+
+    int operator == (const Material& m) const;
+
+    void Clear();
+
+    char        name[NAMELEN];
+    char        shader[NAMELEN];
+
+    ColorValue  Ka;         // ambient color
+    ColorValue  Kd;         // diffuse color
+    ColorValue  Ks;         // specular color
+    ColorValue  Ke;         // emissive color
+    float       power;      // highlight sharpness (big=shiny)
+    float       brilliance; // diffuse power function
+    float       bump;       // bump level (0=none)
+    DWORD       blend;      // alpha blend type
+    bool        shadow;     // casts shadow
+    bool        luminous;   // verts have their own lighting
+
+    Bitmap*     tex_diffuse;
+    Bitmap*     tex_specular;
+    Bitmap*     tex_bumpmap;
+    Bitmap*     tex_emissive;
+    Bitmap*     tex_alternate;
+    Bitmap*     tex_detail;
+
+    bool        IsSolid()         const { return blend == MTL_SOLID;       }
+    bool        IsTranslucent()   const { return blend == MTL_TRANSLUCENT; }
+    bool        IsGlowing()       const { return blend == MTL_ADDITIVE;    }
+    const char* GetShader(int n)  const;
+
+    //
+    // Support for Magic GUI
+    //
+
+    Color       ambient_color;
+    Color       diffuse_color;
+    Color       specular_color;
+    Color       emissive_color;
+
+    float       ambient_value;
+    float       diffuse_value;
+    float       specular_value;
+    float       emissive_value;
+
+    Bitmap*     thumbnail;        // preview image
+
+    void        CreateThumbnail(int size=128);
+    DWORD       GetThumbColor(int i, int j, int size);
+};
+
+// +--------------------------------------------------------------------+
+
+struct VertexSet
+{
+    static const char* TYPENAME() { return "VertexSet"; }
+
+    enum VertexSpaces { OBJECT_SPACE, WORLD_SPACE, VIEW_SPACE, SCREEN_SPACE };
+
+    VertexSet(int m);
+    ~VertexSet();
+
+    void     Resize(int m, bool preserve=false);
+    void     Delete();
+    void     Clear();
+    void     CreateTangents();
+    void     CreateAdditionalTexCoords();
+    bool     CopyVertex(int dst, int src);
+    void     CalcExtents(Point& plus, Point& minus);
+
+    VertexSet*  Clone() const;
+
+    int      nverts;
+    int      space;
+
+    Vec3*    loc;
+    Vec3*    nrm;
+    Vec3*    s_loc;
+    float*   rw;
+    float*   tu;
+    float*   tv;
+    float*   tu1;
+    float*   tv1;
+    DWORD*   diffuse;
+    DWORD*   specular;
+    Vec3*    tangent;
+    Vec3*    binormal;
+};
+
+// +--------------------------------------------------------------------+
+
+#endif  // Polygon_h
+