X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fvertexarray.h;h=95a6ec2f3aa526ac11165b4f24e77e5d30d67b10;hp=52b8888227b80cc39bc365d7b484bf0d639f3e85;hb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;hpb=f098a871fc6dc7b61a5aca5581fa327e4124c036 diff --git a/source/vertexarray.h b/source/vertexarray.h index 52b88882..95a6ec2f 100644 --- a/source/vertexarray.h +++ b/source/vertexarray.h @@ -1,95 +1,74 @@ -/* $Id$ - -This file is part of libmspgl -Copyright © 2007 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #ifndef MSP_GL_VERTEXARRAY_H_ #define MSP_GL_VERTEXARRAY_H_ +#include #include #include -#include "types.h" +#include +#include "bufferable.h" +#include "datatype.h" +#include "primitivetype.h" +#include "vertexarraybuilder.h" +#include "vertexformat.h" namespace Msp { namespace GL { -class VertexArray; -class VertexBuffer; +class Buffer; -enum VertexFormat -{ - NODATA=0, - VERTEX2=1, - VERTEX3, - VERTEX4, - NORMAL3=6, - TEXCOORD1=8, - TEXCOORD2, - TEXCOORD3, - TEXCOORD4, - COLOR4_UBYTE=12, - COLOR3_FLOAT=14, - COLOR4_FLOAT, -}; +/** +Stores vertex data. -inline VertexFormat operator,(VertexFormat a, VertexFormat b) { return VertexFormat((a<<4)|b); } -uint get_stride(VertexFormat); +The array's contents can be modified with the append and modify methods. To +obtain the location of an individual component within the vertex, use +VertexFormat::offset. -class VertexArrayBuilder +A higher-level interface for filling in vertex data is available in the +VertexArrayBuilder class. +*/ +class VertexArray: public Bufferable { public: - std::vector &data; - - VertexArrayBuilder(VertexArray &, std::vector &); - void vertex(float x, float y) { vertex(x, y, 0, 1); } - void vertex(float x, float y, float z) { vertex(x, y, z, 1); } - void vertex(float, float, float, float); - void normal(float x, float y, float z) { nx=x; ny=y; nz=z; } - void texcoord(float s) { texcoord(s, 0, 0, 1); } - void texcoord(float s, float t) { texcoord(s, t, 0, 1); } - void texcoord(float s, float t, float r) { texcoord(s, t, r, 1); } - void texcoord(float s, float t, float r, float q) { ts=s; tt=t; tr=r; tq=q; } - void color(ubyte r, ubyte g, ubyte b) { color(r, g, b, 255); } - void color(ubyte r, ubyte g, ubyte b, ubyte a) { color(r/255.f, g/255.f, b/255.f, a/255.f); } - void color(float r, float g, float b) { color(r, g, b, 1); } - void color(float r, float g, float b, float a) { cr=r; cg=g; cb=b; ca=a; } - ~VertexArrayBuilder(); + class Loader: public DataFile::Loader, public VertexArrayBuilder + { + public: + Loader(VertexArray &); + }; + private: - VertexArray &array; VertexFormat format; - uint stride; - - float cr, cg, cb, ca; // Color - float ts, tt, tr, tq; // TexCoord - float nx, ny, nz; // Normal -}; + std::vector data; + unsigned stride; -class VertexArray -{ + VertexArray(const VertexArray &); + VertexArray &operator=(const VertexArray &); public: - VertexArray(VertexFormat); - ~VertexArray(); + VertexArray(const VertexFormat &); - VertexFormat get_format() const { return format; } - const std::vector &get_data() const { return data; } - void use_vertex_buffer(); - void use_vertex_buffer(VertexBuffer *); - void clear(); - RefPtr modify() { return new VertexArrayBuilder(*this, data); } - void apply() const; - void update_data(); -private: - VertexFormat format; - std::vector data; - uint stride; - VertexBuffer *vbuf; - bool own_vbuf; + /// Resets the VertexArray to a different format. All data is cleared. + void reset(const VertexFormat &); + + const VertexFormat &get_format() const { return format; } + + /// Clears all vertices from the array. + void clear(); - void set_array(unsigned, unsigned, unsigned) const; + /// Reserve space for vertices. + void reserve(unsigned); - static unsigned enabled_arrays; + /// Append a new vertex at the end of the array and return its location. + float *append(); + + /// Returns the location of a vertex for modification. + float *modify(unsigned); +private: + virtual unsigned get_data_size() const; + virtual const void *get_data_pointer() const { return &data[0]; } + +public: + unsigned size() const { return data.size()/stride; } + const std::vector &get_data() const { return data; } + const float *operator[](unsigned i) const { return &data[0]+i*stride; } }; } // namespace GL