Shaun Reed
e889785b65
+ Packaging and CI for Windows, Mac, Linux + Debian package, NSIS Windows installer, OSX appbundle + Example application using libqtk + Component installation for `qtk`, `libqtk`, or `collection` with cmake
255 lines
8.2 KiB
C++
255 lines
8.2 KiB
C++
/*##############################################################################
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## Author: Shaun Reed ##
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## Legal: All Content (c) 2023 Shaun Reed, all rights reserved ##
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## About: Collection of static mesh data for quick initialization ##
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## ##
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## Contact: shaunrd0@gmail.com | URL: www.shaunreed.com | GitHub: shaunrd0 ##
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##############################################################################*/
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#ifndef QTK_SHAPE_H
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#define QTK_SHAPE_H
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#include <utility>
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#include <QOpenGLWidget>
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#include <QVector2D>
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#include <QVector3D>
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#include "qtkapi.h"
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#include "transform3D.h"
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// Define vertices for drawing a cube using two faces (8 vertex points)
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// Front Vertices
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#define VERTEX_FTR QVector3D(0.5f, 0.5f, 0.5f) // 1
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#define VERTEX_FTL QVector3D(-0.5f, 0.5f, 0.5f) // 2
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#define VERTEX_FBL QVector3D(-0.5f, -0.5f, 0.5f) // 3
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#define VERTEX_FBR QVector3D(0.5f, -0.5f, 0.5f) // 4
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// Back Vertices
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#define VERTEX_BTR QVector3D(0.5f, 0.5f, -0.5f) // 5
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#define VERTEX_BTL QVector3D(-0.5f, 0.5f, -0.5f) // 6
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#define VERTEX_BBL QVector3D(-0.5f, -0.5f, -0.5f) // 7
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#define VERTEX_BBR QVector3D(0.5f, -0.5f, -0.5f) // 8
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// Direction vectors
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#define VECTOR_UP QVector3D(0.0f, 1.0f, 0.0f)
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#define VECTOR_DOWN QVector3D(0.0f, -1.0f, 0.0f)
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#define VECTOR_LEFT QVector3D(-1.0f, 0.0f, 0.0f)
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#define VECTOR_RIGHT QVector3D(1.0f, 0.0f, 0.0f)
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#define VECTOR_FORWARD QVector3D(0.0f, 0.0f, 1.0f)
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#define VECTOR_BACK QVector3D(0.0f, 0.0f, -1.0f)
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// Identity and zero vectors
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#define VECTOR_ONE QVector3D(1.0f, 1.0f, 1.0f)
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#define VECTOR_ZERO QVector3D(0.0f, 0.0f, 0.0f)
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// clang-format off
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// A series of direction vectors to represent cube face normal
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#define FACE_TOP VECTOR_UP, VECTOR_UP, VECTOR_UP, \
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VECTOR_UP, VECTOR_UP, VECTOR_UP
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#define FACE_BOTTOM VECTOR_DOWN, VECTOR_DOWN, VECTOR_DOWN, \
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VECTOR_DOWN, VECTOR_DOWN, VECTOR_DOWN
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#define FACE_LEFT VECTOR_LEFT, VECTOR_LEFT, VECTOR_LEFT, \
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VECTOR_LEFT, VECTOR_LEFT, VECTOR_LEFT
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#define FACE_RIGHT VECTOR_RIGHT, VECTOR_RIGHT, VECTOR_RIGHT, \
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VECTOR_RIGHT, VECTOR_RIGHT, VECTOR_RIGHT
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#define FACE_FRONT VECTOR_FORWARD, VECTOR_FORWARD, VECTOR_FORWARD, \
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VECTOR_FORWARD, VECTOR_FORWARD, VECTOR_FORWARD
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#define FACE_BACK VECTOR_BACK, VECTOR_BACK, VECTOR_BACK, \
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VECTOR_BACK, VECTOR_BACK, VECTOR_BACK
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// clang-format on
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// Colors using QVector3Ds as RGB values
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#define WHITE VECTOR_ONE
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#define BLACK VECTOR_ZERO
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#define RED QVector3D(1.0f, 0.0f, 0.0f)
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#define GREEN QVector3D(0.0f, 1.0f, 0.0f)
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#define BLUE QVector3D(0.0f, 0.0f, 1.0f)
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#define YELLOW QVector3D(1.0f, 1.0f, 0.0f)
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#define CYAN QVector3D(0.0f, 1.0f, 1.0f)
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#define MAGENTA QVector3D(1.0f, 0.0f, 1.0f)
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#define UV_ORIGIN QVector2D(0.0f, 0.0f)
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#define UV_TOP QVector2D(1.0f, 0.0f)
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#define UV_RIGHT QVector2D(0.0f, 1.0f)
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#define UV_CORNER QVector2D(1.0f, 1.0f)
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namespace Qtk {
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class MeshRenderer;
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class Object;
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// TODO: Vertices.getData(); Vertices.getStride();
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typedef std::vector<QVector3D> Vertices;
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typedef std::vector<QVector3D> Colors;
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typedef std::vector<GLuint> Indices;
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typedef std::vector<QVector2D> TexCoords;
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typedef std::vector<QVector3D> Normals;
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/**
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* The OpenGL draw mode to initialize QTK shape data for.
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* Different draw modes require different organization of data.
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* This enum allows us to predefine simple geometry for different draw modes.
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*/
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enum DrawMode {
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QTK_DRAW_ARRAYS,
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QTK_DRAW_ELEMENTS,
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QTK_DRAW_ELEMENTS_NORMALS
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};
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/**
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* Base class for all simple shape objects.
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*/
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struct QTKAPI ShapeBase {
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public:
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/*************************************************************************
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* Constructors / Destructors
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************************************************************************/
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/**
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*
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* @param mode OpenGL draw mode to use for this shape.
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* @param v Vertex data for this shape.
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* @param i Index data for this shape.
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* @param c Color data for this shape.
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* @param t Texture coordinates for this shape.
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* @param n Normals for this shape.
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*/
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explicit ShapeBase(
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DrawMode mode = QTK_DRAW_ARRAYS, Vertices v = {}, Indices i = {},
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Colors c = {}, TexCoords t = {}, Normals n = {}) :
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mDrawMode(mode),
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mVertices(std::move(v)), mColors(std::move(c)),
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mIndices(std::move(i)), mTexCoords(std::move(t)),
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mNormals(std::move(n)) {}
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/*************************************************************************
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* Accessors
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************************************************************************/
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/**
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* @return Vertex data for this shape.
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*/
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[[nodiscard]] inline const Vertices & getVertices() const {
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return mVertices;
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}
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/**
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* @return Index data for this shape.
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*/
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[[nodiscard]] inline const Indices & getIndexData() const {
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return mIndices;
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}
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/**
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* @return Color data for this shape.
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*/
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[[nodiscard]] inline const Colors & getColors() const { return mColors; }
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/**
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* @return Texture coordinates for this shape.
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*/
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[[nodiscard]] inline const TexCoords & getTexCoords() const {
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return mTexCoords;
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}
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/**
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* @return Normals for this shape.
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*/
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[[nodiscard]] inline const Normals & getNormals() const {
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return mNormals;
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}
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/**
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* @return Stride for texture coordinates on this shape.
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*/
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[[nodiscard]] inline size_t getTexCoordsStride() const {
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return mTexCoords.size() * sizeof(mTexCoords[0]);
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}
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protected:
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/*************************************************************************
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* Protected Members
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************************************************************************/
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DrawMode mDrawMode;
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Vertices mVertices {};
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Colors mColors {};
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Indices mIndices {};
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TexCoords mTexCoords {};
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Normals mNormals {};
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};
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struct Shape : public ShapeBase {
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public:
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/*************************************************************************
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* Typedefs
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************************************************************************/
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friend MeshRenderer;
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friend Object;
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/*************************************************************************
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* Constructors / Destructors
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************************************************************************/
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Shape() = default;
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explicit Shape(const ShapeBase & rhs) : ShapeBase(rhs) {}
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/*************************************************************************
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* Setters
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************************************************************************/
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/**
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* @param value Vertex data to use for this shape.
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*/
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virtual inline void setVertices(const Vertices & value) {
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mVertices = value;
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}
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/**
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* @param value Index data to use for this shape.
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*/
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virtual inline void setIndices(const Indices & value) {
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mIndices = value;
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}
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/**
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* @param value Color data to use for this shape.
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*/
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virtual inline void setColors(const Colors & value) { mColors = value; }
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/**
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* @param value Texture coordinates to use for this shape.
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*/
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virtual inline void setTexCoords(const TexCoords & value) {
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mTexCoords = value;
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}
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/**
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* @param value Normals to use for this shape.
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*/
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virtual inline void setNormals(const Normals & value) {
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mNormals = value;
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}
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/**
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* @param value Shape to copy into this Shape.
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*/
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virtual inline void setShape(const Shape & value) { *this = value; }
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};
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/* Simple Cube shape. */
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struct QTKAPI Cube : public ShapeBase {
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explicit Cube(DrawMode mode = QTK_DRAW_ARRAYS);
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};
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/* Simple Triangle shape. */
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struct QTKAPI Triangle : public ShapeBase {
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explicit Triangle(DrawMode mode = QTK_DRAW_ARRAYS);
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};
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} // namespace Qtk
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#endif // QTK_SHAPE_H
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