1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185
|
#ifndef ODFAEG_VERTEXARRAY_HPP
#define ODFAEG_VERTEXARRAY_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include "GL/glew.h"
#include <SFML/OpenGL.hpp>
#include "vertex.h"
#include <SFML/Graphics/PrimitiveType.hpp>
#include <SFML/Graphics/Rect.hpp>
#include "drawable.h"
#include <vector>
#include <SFML/Window/Context.hpp>
#include "vbo.h"
namespace odfaeg {
////////////////////////////////////////////////////////////
/// \brief Define a set of one or more 3D primitives
///
////////////////////////////////////////////////////////////
class ODFAEG_GRAPHICS_API VertexArray : public Drawable, public sf::GlResource
{
public :
////////////////////////////////////////////////////////////
/// \brief Default constructor
///
/// Creates an empty vertex array.
///
////////////////////////////////////////////////////////////
VertexArray();
void computeNormals();
void addInstancedRenderingInfos(unsigned int numIndexes, unsigned int baseVertex, unsigned int baseIndice);
void addIndex(unsigned int index);
std::vector<unsigned int> getIndexes();
////////////////////////////////////////////////////////////
/// \brief Construct the vertex array with a type and an initial number of vertices
///
/// \param type Type of primitives
/// \param vertexCount Initial number of vertices in the array
///
////////////////////////////////////////////////////////////
explicit VertexArray(sf::PrimitiveType type, unsigned int vertexCount = 0);
////////////////////////////////////////////////////////////
/// \brief Return the vertex count
///
/// \return Number of vertices in the array
///
////////////////////////////////////////////////////////////
unsigned int getVertexCount() const;
////////////////////////////////////////////////////////////
/// \brief Get a read-write access to a vertex by its index
///
/// This function doesn't check \a index, it must be in range
/// [0, getVertexCount() - 1]. The behaviour is undefined
/// otherwise.
///
/// \param index Index of the vertex to get
///
/// \return Reference to the index-th vertex
///
/// \see getVertexCount
///
////////////////////////////////////////////////////////////
Vertex& operator [](unsigned int index);
////////////////////////////////////////////////////////////
/// \brief Get a read-only access to a vertex by its index
///
/// This function doesn't check \a index, it must be in range
/// [0, getVertexCount() - 1]. The behaviour is undefined
/// otherwise.
///
/// \param index Index of the vertex to get
///
/// \return Const reference to the index-th vertex
///
/// \see getVertexCount
///
////////////////////////////////////////////////////////////
const Vertex& operator [](unsigned int index) const;
const sf::Vector3f getLocal(unsigned int index) const;
std::vector<unsigned int> getBaseIndexes();
////////////////////////////////////////////////////////////
/// \brief Clear the vertex array
///
/// This function removes all the vertices from the array.
/// It doesn't deallocate the corresponding memory, so that
/// adding new vertices after clearing doesn't involve
/// reallocating all the memory.
///
////////////////////////////////////////////////////////////
void clear();
////////////////////////////////////////////////////////////
/// \brief Resize the vertex array
///
/// If \a vertexCount is greater than the current size, the previous
/// vertices are kept and new (default-constructed) vertices are
/// added.
/// If \a vertexCount is less than the current size, existing vertices
/// are removed from the array.
///
/// \param vertexCount New size of the array (number of vertices)
///
////////////////////////////////////////////////////////////
void resize(unsigned int vertexCount);
////////////////////////////////////////////////////////////
/// \brief Add a vertex to the array
///
/// \param vertex Vertex to add
///
////////////////////////////////////////////////////////////
void append(const Vertex& vertex);
////////////////////////////////////////////////////////////
/// \brief Set the type of primitives to draw
///
/// This function defines how the vertices must be interpreted
/// when it's time to draw them:
/// \li As points
/// \li As lines
/// \li As triangles
/// \li As quads
/// The default primitive type is sf::Points.
///
/// \param type Type of primitive
///
////////////////////////////////////////////////////////////
void setPrimitiveType(sf::PrimitiveType type);
////////////////////////////////////////////////////////////
/// \brief Get the type of primitives drawn by the vertex array
///
/// \return Primitive type
///
////////////////////////////////////////////////////////////
sf::PrimitiveType getPrimitiveType() const;
BoundingBox getBounds();
bool operator== (VertexArray &other) const;
void updateVBOBuffer();
template <typename Archive>
void serialize (Archive & ar) {
ar(m_indexes);
ar(m_vertices);
ar(m_primitiveType);
}
void onLoad() {
updateVBOBuffer();
}
~VertexArray();
private :
////////////////////////////////////////////////////////////
/// \brief Draw the vertex array to a render target
///
/// \param target Render target to draw to
/// \param states Current render states
///
////////////////////////////////////////////////////////////
void draw(RenderTarget& target, RenderStates states);
////////////////////////////////////////////////////////////
// Member data
////////////////////////////////////////////////////////////
std::vector<sf::Vector3f> m_normals;
std::vector<sf::Vector3f> m_locals;
std::vector<unsigned int> m_numIndexes;
std::vector<unsigned int> m_baseVertices;
std::vector<unsigned int> m_baseIndexes;
std::vector<unsigned int> m_indexes;
std::vector<Vertex> m_vertices; ///< Vertices contained in the array
sf::PrimitiveType m_primitiveType; ///< Type of primitives to draw
unsigned int vboVertexBuffer,vboNormalBuffer, vboIndexBuffer;
bool needToUpdateVBOBuffer;
};
} // namespace odfaeg
#endif |
Partager