X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fvertexarray.h;fp=source%2Fcore%2Fvertexarray.h;h=95a6ec2f3aa526ac11165b4f24e77e5d30d67b10;hb=7aaec9a70b8d7733429bec043f8e33e02956f266;hp=0000000000000000000000000000000000000000;hpb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;p=libs%2Fgl.git

diff --git a/source/core/vertexarray.h b/source/core/vertexarray.h
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+++ b/source/core/vertexarray.h
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+#ifndef MSP_GL_VERTEXARRAY_H_
+#define MSP_GL_VERTEXARRAY_H_
+
+#include <climits>
+#include <vector>
+#include <msp/core/refptr.h>
+#include <msp/datafile/loader.h>
+#include "bufferable.h"
+#include "datatype.h"
+#include "primitivetype.h"
+#include "vertexarraybuilder.h"
+#include "vertexformat.h"
+
+namespace Msp {
+namespace GL {
+
+class Buffer;
+
+/**
+Stores vertex data.
+
+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.
+
+A higher-level interface for filling in vertex data is available in the
+VertexArrayBuilder class.
+*/
+class VertexArray: public Bufferable
+{
+public:
+	class Loader: public DataFile::Loader, public VertexArrayBuilder
+	{
+	public:
+		Loader(VertexArray &);
+	};
+
+private:
+	VertexFormat format;
+	std::vector<float> data;
+	unsigned stride;
+
+	VertexArray(const VertexArray &);
+	VertexArray &operator=(const VertexArray &);
+public:
+	VertexArray(const VertexFormat &);
+
+	/// 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();
+
+	/// Reserve space for vertices.
+	void reserve(unsigned);
+
+	/// 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<float> &get_data() const { return data; }
+	const float *operator[](unsigned i) const { return &data[0]+i*stride; }
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif