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/* 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
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