X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fmesh.h;fp=source%2Fcore%2Fmesh.h;h=57c87b7e42986ac31f94092612c373159b633a7a;hb=7aaec9a70b8d7733429bec043f8e33e02956f266;hp=0000000000000000000000000000000000000000;hpb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;p=libs%2Fgl.git

diff --git a/source/core/mesh.h b/source/core/mesh.h
new file mode 100644
index 00000000..57c87b7e
--- /dev/null
+++ b/source/core/mesh.h
@@ -0,0 +1,113 @@
+#ifndef MSP_GL_MESH_H_
+#define MSP_GL_MESH_H_
+
+#include <msp/datafile/objectloader.h>
+#include "batch.h"
+#include "resource.h"
+#include "vertexarray.h"
+#include "vertexsetup.h"
+#include "windingtest.h"
+
+namespace Msp {
+namespace GL {
+
+class Buffer;
+class Renderer;
+
+/**
+Raw mesh data, consisting of a VertexArray and one or more Batches.  Though a
+Mesh can draw itself, it's usually used as part of Renderables rather than on
+its own.
+*/
+class Mesh: public Resource
+{
+	friend class MeshBuilder;
+
+public:
+	class Loader: public DataFile::ObjectLoader<Mesh>
+	{
+	private:
+		bool allow_gl_calls;
+
+	public:
+		Loader(Mesh &, bool = true);
+	private:
+		void vertices(const std::vector<VertexComponent> &);
+		void batch(PrimitiveType);
+		void winding(FaceWinding);
+	};
+
+private:
+	class AsyncLoader: public Resource::AsyncLoader
+	{
+	private:
+		Mesh &mesh;
+		IO::Seekable &io;
+		Bufferable::AsyncUpdater *vertex_updater;
+		Bufferable::AsyncUpdater *index_updater;
+		unsigned phase;
+
+	public:
+		AsyncLoader(Mesh &, IO::Seekable &);
+		~AsyncLoader();
+
+		virtual bool needs_sync() const;
+		virtual bool process();
+	};
+
+	enum BufferMask
+	{
+		VERTEX_BUFFER = 1,
+		INDEX_BUFFER = 2
+	};
+
+	VertexArray vertices;
+	std::vector<Batch> batches;
+	Buffer *vbuf;
+	Buffer *ibuf;
+	VertexSetup vtx_setup;
+	mutable unsigned short dirty;
+	bool disallow_rendering;
+	const WindingTest *winding;
+
+public:
+	Mesh(ResourceManager * = 0);
+	Mesh(const VertexFormat &, ResourceManager * = 0);
+private:
+	void init(ResourceManager *);
+public:
+	~Mesh();
+
+	void clear();
+private:
+	void check_buffers(unsigned);
+
+public:
+	const VertexArray &get_vertices() const { return vertices; }
+	const VertexSetup &get_vertex_setup() const { return vtx_setup; }
+	const Buffer *get_index_buffer() const { return ibuf; }
+	unsigned get_n_vertices() const;
+	float *modify_vertex(unsigned);
+
+	void add_batch(const Batch &b);
+	const std::vector<Batch> &get_batches() const { return batches; }
+
+	void set_winding(const WindingTest *);
+
+	void draw(Renderer &) const;
+	void draw_instanced(Renderer &, const VertexSetup &, unsigned) const;
+private:
+	void draw(Renderer &, const VertexSetup *, unsigned) const;
+	void resize_buffers() const;
+
+public:
+	virtual int get_load_priority() const { return 1; }
+	virtual Resource::AsyncLoader *load(IO::Seekable &, const Resources * = 0);
+	virtual UInt64 get_data_size() const;
+	virtual void unload();
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif