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#pragma once
#include "SyntopiaCore/Math/Vector3.h"
#include <QGLWidget>
#include <QtOpenGL>
namespace SyntopiaCore {
namespace GLEngine {
/// Every Primitive can be assigned a class.
struct PrimitiveClass {
PrimitiveClass() : reflection(0), hasShadows(true), castShadows(true)
, ambient(0.6), specular(0.6), diffuse(0.6) {};
QString name;
double reflection;
bool hasShadows; // not implemented yet
bool castShadows; // not implemented yet
double ambient;
double specular;
double diffuse;
};
/// Used by the raytracer, when tracing rays.
struct RayInfo {
SyntopiaCore::Math::Vector3f startPoint;
SyntopiaCore::Math::Vector3f lineDirection;
// 'Return' variables - if a hit is found these will be overwritten.
float intersection;
SyntopiaCore::Math::Vector3f normal;
GLfloat color[4];
};
class Object3D {
public:
Object3D() : objectID(-1) {};
virtual ~Object3D() {};
virtual QString name() { return "Object3D base"; }
virtual void draw() const = 0;
virtual void setColor(SyntopiaCore::Math::Vector3f rgb, float alpha);
const GLfloat (&getColor() const)[4] { return primaryColor; }
void getBoundingBox(SyntopiaCore::Math::Vector3f& from, SyntopiaCore::Math::Vector3f& to) const;
void expandBoundingBox(SyntopiaCore::Math::Vector3f& from, SyntopiaCore::Math::Vector3f& to) const;
SyntopiaCore::Math::Vector3f getCenter() { return (from+to)*0.5; }
/// These must be implemented for an Object3D to support raytracing.
virtual bool intersectsRay(RayInfo* /*rayInfo*/) { return false; };
virtual bool intersectsAABB(SyntopiaCore::Math::Vector3f /*from*/, SyntopiaCore::Math::Vector3f /*to*/) { return false; };
virtual void prepareForRaytracing() { }; // Implement for additional preprocessing
int getObjectID() { return objectID; }
void setObjectID(int id) { objectID = id; }
PrimitiveClass* getPrimitiveClass() { return primitiveClass; }
void setPrimitiveClass(PrimitiveClass* value) { primitiveClass = value; }
static void Expand(SyntopiaCore::Math::Vector3f& from, SyntopiaCore::Math::Vector3f& to, SyntopiaCore::Math::Vector3f test);
GLfloat getDepth() const { return depth; }
void setDepth(GLfloat d) { this->depth =d; }
bool operator<(Object3D& other) {
return (this->depth < other.depth);
}
protected:
void vertex(SyntopiaCore::Math::Vector3f v) const { glVertex3f(v.x(), v.y(), v.z()); }
void normal(SyntopiaCore::Math::Vector3f v) const { glNormal3f(v.x(), v.y(), v.z()); }
void vertex4(SyntopiaCore::Math::Vector3f v1,SyntopiaCore::Math::Vector3f v2,SyntopiaCore::Math::Vector3f v3,SyntopiaCore::Math::Vector3f v4) const { vertex(v1); vertex(v2); vertex(v3); vertex(v4); }
void vertex3n(SyntopiaCore::Math::Vector3f v1,SyntopiaCore::Math::Vector3f v2,SyntopiaCore::Math::Vector3f v3) const;
void vertex4r(SyntopiaCore::Math::Vector3f v1,SyntopiaCore::Math::Vector3f v2,SyntopiaCore::Math::Vector3f v3,SyntopiaCore::Math::Vector3f v4) const { vertex(v4); vertex(v3); vertex(v2); vertex(v1); }
void vertex4(const GLfloat* col1, SyntopiaCore::Math::Vector3f c1,SyntopiaCore::Math::Vector3f v1,SyntopiaCore::Math::Vector3f v2,const GLfloat* col2, SyntopiaCore::Math::Vector3f c2, SyntopiaCore::Math::Vector3f v3,SyntopiaCore::Math::Vector3f v4, bool reverse) const;
void vertex4n(SyntopiaCore::Math::Vector3f v1,SyntopiaCore::Math::Vector3f v2,SyntopiaCore::Math::Vector3f v3,SyntopiaCore::Math::Vector3f v4) const;
void vertex4rn(SyntopiaCore::Math::Vector3f v1,SyntopiaCore::Math::Vector3f v2,SyntopiaCore::Math::Vector3f v3,SyntopiaCore::Math::Vector3f v4) const ;
void vertex4nc(SyntopiaCore::Math::Vector3f v1,SyntopiaCore::Math::Vector3f v2,SyntopiaCore::Math::Vector3f v3,SyntopiaCore::Math::Vector3f v4,SyntopiaCore::Math::Vector3f center) const ;
void vertex4rnc(SyntopiaCore::Math::Vector3f v1,SyntopiaCore::Math::Vector3f v2,SyntopiaCore::Math::Vector3f v3,SyntopiaCore::Math::Vector3f v4,SyntopiaCore::Math::Vector3f center) const;
GLfloat primaryColor[4];
// Bounding box
SyntopiaCore::Math::Vector3f from;
SyntopiaCore::Math::Vector3f to;
// Used by Voxel Stepper when raytracing.
int objectID;
PrimitiveClass* primitiveClass;
GLfloat depth;
};
}
}
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