/**
 *
 *
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * This is a new part of Blender.
 *
 * Contributor(s): Willian P. Germano.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */

/* Most of this file comes from opy_nmesh.[ch] in the old bpython dir */

#ifndef EXPP_NMESH_H
#define EXPP_NMESH_H

#include "Python.h"

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "MEM_guardedalloc.h"
#include "BIF_editmesh.h" /* vertexnormals_mesh() */
#include "BDR_editface.h" /* make_tfaces */
#include "BKE_mesh.h"
#include "BKE_main.h"
#include "BKE_global.h"
#include "BKE_library.h"
#include "BKE_displist.h"
#include "BKE_screen.h"
#include "BKE_object.h"
#include "BLI_blenlib.h"
#include "BIF_space.h"
#include "DNA_mesh_types.h"
#include "DNA_key_types.h"
#include "DNA_listBase.h"
#include "DNA_object_types.h"
#include "DNA_material_types.h"
#include "DNA_armature_types.h"
#include "mydevice.h"
#include "BIF_editkey.h" /* insert_meshkey */

#include "Material.h"
#include "Image.h"
#include "vector.h"
#include "constant.h"
#include "gen_utils.h"
#include "modules.h"


/* EXPP PyType Objects */

PyTypeObject NMesh_Type;
PyTypeObject NMFace_Type;
PyTypeObject NMVert_Type;
PyTypeObject NMCol_Type;

extern PyTypeObject Image_Type;

/* Globals */

static PyObject *g_nmeshmodule = NULL;

/* Type checking for EXPP PyTypes */

#define BPy_NMesh_Check(v)       ((v)->ob_type == &NMesh_Type)
#define BPy_NMFace_Check(v)      ((v)->ob_type == &NMFace_Type)
#define BPy_NMVert_Check(v)      ((v)->ob_type == &NMVert_Type)
#define BPy_NMCol_Check(v)       ((v)->ob_type == &NMCol_Type)

static char M_NMesh_doc[] =
"The Blender.NMesh submodule";

static char M_NMesh_Col_doc[]=
"([r, g, b, a]) - Get a new mesh color\n\n\
[r=255, g=255, b=255, a=255] Specify the color components";

static char M_NMesh_Face_doc[] =
"(vertexlist = None) - Get a new face, and pass optional vertex list";

static char NMFace_append_doc[] =
"(vert) - appends Vertex 'vert' to face vertex list";

static char M_NMesh_Vert_doc[] =
"([x, y, z]) - Get a new vertice\n\n\
[x, y, z] Specify new coordinates";

static char NMesh_addMaterial_doc[] =
"(material) - add a new Blender Material 'material' to this Mesh's materials\n\
list.";

static char NMesh_insertKey_doc[] =
"(frame = None, type = 'relative') - inserts a Mesh key at the given frame\n\
if called without arguments, it inserts the key at the current Scene frame.\n\
(type) - 'relative' or 'absolute'.  Only relevant on the first call to this\n\
function for each nmesh.";

static char NMesh_removeAllKeys_doc[] =
"() - removes all keys from this mesh\n\
returns True if successful or False if this NMesh wasn't linked to a real\n\
Blender Mesh yet or the Mesh had no keys";

static char NMesh_getSelectedFaces_doc[] =
"(flag = None) - returns list of selected Faces\n\
If flag = 1, return indices instead";

static char NMesh_getActiveFace_doc[] =
"returns the index of the active face ";

static char NMesh_hasVertexUV_doc[] =
"(flag = None) - returns 1 if Mesh has per vertex UVs ('Sticky')\n\
The optional argument sets the Sticky flag";

static char NMesh_hasFaceUV_doc[] =
"(flag = None) - returns 1 if Mesh has textured faces\n\
The optional argument sets the textured faces flag";

static char NMesh_hasVertexColours_doc[] =
"(flag = None) - returns 1 if Mesh has vertex colours.\n\
The optional argument sets the vertex colour flag";

static char NMesh_getVertexInfluences_doc[] =
"Return a list of the influences of bones in the vertex \n\
specified by index. The list contains pairs with the \n\
bone name and the weight.";


static char NMesh_update_doc[] = "(recalc_normals = 0) - updates the Mesh.\n\
if recalc_normals is given and is equal to 1, normal vectors are recalculated.";
/*
static char NMesh_asMesh_doc[] = "returns free Mesh datablock object from NMesh";

static char NMesh_link_doc[] = "(object) - Links NMesh data with Object 'object'";
*/
static char M_NMesh_New_doc[] =
"() - returns a new, empty NMesh mesh object\n";

static char M_NMesh_GetRaw_doc[] =
"([name]) - Get a raw mesh from Blender\n\n\
[name] Name of the mesh to be returned\n\n\
If name is not specified a new empty mesh is\n\
returned, otherwise Blender returns an existing\n\
mesh.";

static char M_NMesh_GetRawFromObject_doc[] =
"(name) - Get the raw mesh used by a Blender object\n\n\
(name) Name of the object to get the mesh from\n\n\
This returns the mesh as used by the object, which\n\
means it contains all deformations and modifications.";

static char M_NMesh_PutRaw_doc[] =
"(mesh, [name, renormal]) - Return a raw mesh to Blender\n\n\
(mesh) The NMesh object to store\n\
[name] The mesh to replace\n\
[renormal=1] Flag to control vertex normal recalculation\n\n\
If the name of a mesh to replace is not given a new\n\
object is created and returned.";

/* Typedefs for the new types */

typedef struct {
	PyObject_HEAD
	unsigned char r, g, b, a;

} BPy_NMCol; /* an NMesh color: [r,g,b,a] */

typedef struct {
	PyObject_VAR_HEAD
	float co[3];
	float no[3];
	float uvco[3];
	int index;

} BPy_NMVert; /* an NMesh vertex */

typedef struct {
	PyObject_HEAD
	PyObject *v;
	PyObject *uv;
	PyObject *col;
	short mode;
	short flag;
	unsigned char transp;
	Image *image;
	char mat_nr, smooth;

} BPy_NMFace; /* an NMesh face */

typedef struct {
	PyObject_HEAD
	Mesh *mesh;
	PyObject *name;
	PyObject *materials;
	PyObject *verts;
	PyObject *faces;
	int sel_face; /*@ XXX remove */
	char flags;

#define NMESH_HASMCOL	1<<0
#define NMESH_HASVERTUV	1<<1
#define NMESH_HASFACEUV	1<<2

} BPy_NMesh;

/* PROTOS */
extern void test_object_materials(ID *id); /* declared in BKE_material.h */
static int unlink_existingMeshData(Mesh *mesh);
static int convert_NMeshToMesh(Mesh *mesh, BPy_NMesh *nmesh);
void mesh_update(Mesh *mesh);
PyObject *new_NMesh(Mesh *oldmesh);
Mesh *Mesh_fromNMesh(BPy_NMesh *nmesh);
PyObject *NMesh_assignMaterials_toObject(BPy_NMesh *nmesh, Object *ob);
Material **nmesh_updateMaterials(BPy_NMesh *nmesh);
Material **newMaterialList_fromPyList (PyObject *list);
void mesh_update(Mesh *mesh);


#endif /* EXPP_NMESH_H */