mesh.h File Reference

#include <gpac/scenegraph_vrml.h>
#include <gpac/path2d.h>
#include <gpac/mediaobject.h>

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Data Structures
struct	SFVec3f_bytes
struct	GF_Vertex
struct	GF_Mesh
struct	GF_MeshSphereAngles
struct	AABBNode

Macros
#define	MESH_MAKE_COL(_argb)   GF_COL_ARGB(FIX2INT(255*(_argb.alpha)), FIX2INT(255*(_argb.blue)), FIX2INT(255*(_argb.green)), FIX2INT(255*(_argb.red)))
#define	MESH_GET_COLOR(_argb, _vertex)   { _argb.alpha = INT2FIX(GF_COL_A((_vertex).color))/255; _argb.red = INT2FIX(GF_COL_R((_vertex).color))/255; _argb.green = INT2FIX(GF_COL_G((_vertex).color))/255; _argb.blue = INT2FIX(GF_COL_B((_vertex).color))/255; }
#define	MESH_NORMAL_UNIT   1
#define	MESH_SET_NORMAL(_vertex, _nor)   { SFVec3f_bytes __nor; __nor.x = (s8) (_nor.x*100); __nor.y = (s8) (_nor.y*100); __nor.z = (s8) (_nor.z*100); __nor.__dummy=0; _vertex.normal = __nor; }
#define	MESH_GET_NORMAL(_nor, _vertex)   { (_nor).x = _vertex.normal.x; (_nor).y = _vertex.normal.y; (_nor).z = _vertex.normal.z; gf_vec_norm(&(_nor)); }
#define	MESH_TEX_OFFSET   12
#define	MESH_NORMAL_OFFSET   20
#define	MESH_COLOR_OFFSET   24
#define	IDX_TYPE   u32

Enumerations
enum	{ MESH_TRIANGLES = 0 , MESH_POINTSET , MESH_LINESET }
enum	{   MESH_HAS_COLOR = 1 , MESH_IS_2D = 1<<1 , MESH_NO_TEXTURE = 1<<2 , MESH_IS_CW = 1<<3 ,   MESH_IS_SOLID = 1<<4 , MESH_IS_SMOOTHED = 1<<5 , MESH_HAS_ALPHA = 1<<6 , MESH_WAS_VISIBLE = 1<<7 }
enum	{   AABB_NONE , AABB_LONGEST , AABB_BALANCED , AABB_BEST_AXIS ,   AABB_SPLATTER , AABB_FIFTY }

Functions
GF_Mesh *	new_mesh ()
void	mesh_free (GF_Mesh *mesh)
void	mesh_reset (GF_Mesh *mesh)
void	mesh_update_bounds (GF_Mesh *mesh)
void	mesh_set_vertex_vx (GF_Mesh *mesh, GF_Vertex *vx)
void	mesh_set_vertex (GF_Mesh *mesh, Fixed x, Fixed y, Fixed z, Fixed nx, Fixed ny, Fixed nz, Fixed u, Fixed v)
void	mesh_set_index (GF_Mesh *mesh, u32 idx)
void	mesh_set_point (GF_Mesh *mesh, Fixed x, Fixed y, Fixed z, SFColorRGBA col)
void	mesh_set_triangle (GF_Mesh *mesh, u32 id1, u32 id2, u32 id3)
void	mesh_clone (GF_Mesh *dest, GF_Mesh *orig)
void	mesh_recompute_normals (GF_Mesh *mesh)
void	mesh_generate_tex_coords (GF_Mesh *mesh, GF_Node *__texCoords)
void	mesh_new_unit_bbox (GF_Mesh *mesh)
void	mesh_new_rectangle (GF_Mesh *mesh, SFVec2f size, SFVec2f *orig, Bool flip)
void	mesh_new_rectangle_ex (GF_Mesh *mesh, SFVec2f size, SFVec2f *orig, u32 flip, u32 rotate)
void	mesh_new_ellipse (GF_Mesh *mesh, Fixed a_dia, Fixed b_dia, Bool low_res)
void	mesh_new_box (GF_Mesh *mesh, SFVec3f size)
void	mesh_new_cylinder (GF_Mesh *mesh, Fixed height, Fixed radius, Bool bottom, Bool side, Bool top, Bool low_res)
void	mesh_new_cone (GF_Mesh *mesh, Fixed height, Fixed radius, Bool bottom, Bool side, Bool low_res)
void	mesh_new_sphere (GF_Mesh *mesh, Fixed radius, Bool low_res, GF_MeshSphereAngles *angles)
void	mesh_new_ils (GF_Mesh *mesh, GF_Node *__coord, MFInt32 *coordIndex, GF_Node *__color, MFInt32 *colorIndex, Bool colorPerVertex, Bool do_close)
void	mesh_new_ifs2d (GF_Mesh *mesh, GF_Node *ifs2d)
void	mesh_new_ifs (GF_Mesh *mesh, GF_Node *ifs)
void	mesh_new_ps (GF_Mesh *mesh, GF_Node *__coord, GF_Node *__color)
void	mesh_new_elevation_grid (GF_Mesh *mesh, GF_Node *eg)
void	mesh_new_extrusion (GF_Mesh *mesh, GF_Node *ext)
void	mesh_from_path (GF_Mesh *mesh, GF_Path *path)
void	mesh_get_outline (GF_Mesh *mesh, GF_Path *path)
void	mesh_extrude_path (GF_Mesh *mesh, GF_Path *path, MFVec3f *thespine, Fixed creaseAngle, Bool begin_cap, Bool end_cap, MFRotation *spine_ori, MFVec2f *spine_scale, Bool tx_along_spine)
void	mesh_extrude_path_ext (GF_Mesh *mesh, GF_Path *path, MFVec3f *thespine, Fixed creaseAngle, Fixed min_cx, Fixed min_cy, Fixed width_cx, Fixed width_cy, Bool begin_cap, Bool end_cap, MFRotation *spine_ori, MFVec2f *spine_scale, Bool tx_along_spine)
Bool	gf_mesh_intersect_ray (GF_Mesh *mesh, GF_Ray *r, SFVec3f *outPoint, SFVec3f *outNormal, SFVec2f *outTexCoords)
Bool	gf_mesh_closest_face (GF_Mesh *mesh, SFVec3f pos, Fixed min_dist, SFVec3f *outPoint)
void	gf_mesh_build_aabbtree (GF_Mesh *mesh)
void	TesselateFaceMesh (GF_Mesh *mesh, GF_Mesh *face)

---

Data Structure Documentation

SFVec3f_bytes

struct SFVec3f_bytes

Data Fields
s8	x
s8	y
s8	z
s8	__dummy

GF_Vertex

struct GF_Vertex

Collaboration diagram for GF_Vertex:

Data Fields
SFVec3f	pos
SFVec2f	texcoords
SFVec3f_bytes	normal
u32	color

GF_Mesh

struct GF_Mesh

Collaboration diagram for GF_Mesh:

Data Fields
u32	v_count
u32	v_alloc
GF_Vertex *	vertices
u32	i_count
u32	i_alloc
IDX_TYPE *	indices
u32	mesh_type
u32	flags
GF_BBox	bounds
struct __AABBNode *	aabb_root
IDX_TYPE *	aabb_indices
u32	vbo
u32	vbo_idx
Bool	vbo_dirty
Bool	vbo_dynamic

GF_MeshSphereAngles

struct GF_MeshSphereAngles

Data Fields
Fixed	min_phi
Fixed	max_phi
Fixed	min_theta
Fixed	max_theta

AABBNode

struct AABBNode

Data Fields
SFVec3f	min
SFVec3f	max
IDX_TYPE *	indices
u32	nb_idx
struct __AABBNode *	pos
struct __AABBNode *	neg

Macro Definition Documentation

MESH_MAKE_COL

#define MESH_MAKE_COL

(

_argb

)

GF_COL_ARGB(FIX2INT(255*(_argb.alpha)), FIX2INT(255*(_argb.blue)), FIX2INT(255*(_argb.green)), FIX2INT(255*(_argb.red)))

MESH_GET_COLOR

#define MESH_GET_COLOR	(		_argb,
			_vertex
	)		{ _argb.alpha = INT2FIX(GF_COL_A((_vertex).color))/255; _argb.red = INT2FIX(GF_COL_R((_vertex).color))/255; _argb.green = INT2FIX(GF_COL_G((_vertex).color))/255; _argb.blue = INT2FIX(GF_COL_B((_vertex).color))/255; }

MESH_NORMAL_UNIT

#define MESH_NORMAL_UNIT   1

MESH_SET_NORMAL

#define MESH_SET_NORMAL	(		_vertex,
			_nor
	)		{ SFVec3f_bytes __nor; __nor.x = (s8) (_nor.x*100); __nor.y = (s8) (_nor.y*100); __nor.z = (s8) (_nor.z*100); __nor.__dummy=0; _vertex.normal = __nor; }

MESH_GET_NORMAL

#define MESH_GET_NORMAL	(		_nor,
			_vertex
	)		{ (_nor).x = _vertex.normal.x; (_nor).y = _vertex.normal.y; (_nor).z = _vertex.normal.z; gf_vec_norm(&(_nor)); }

MESH_TEX_OFFSET

#define MESH_TEX_OFFSET   12

MESH_NORMAL_OFFSET

#define MESH_NORMAL_OFFSET   20

MESH_COLOR_OFFSET

#define MESH_COLOR_OFFSET   24

IDX_TYPE

#define IDX_TYPE   u32

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
MESH_TRIANGLES
MESH_POINTSET
MESH_LINESET

anonymous enum

anonymous enum

Enumerator
MESH_HAS_COLOR
MESH_IS_2D
MESH_NO_TEXTURE
MESH_IS_CW
MESH_IS_SOLID
MESH_IS_SMOOTHED
MESH_HAS_ALPHA
MESH_WAS_VISIBLE

anonymous enum

anonymous enum

Enumerator
AABB_NONE
AABB_LONGEST
AABB_BALANCED
AABB_BEST_AXIS
AABB_SPLATTER
AABB_FIFTY

Function Documentation

new_mesh()

GF_Mesh* new_mesh

(

)

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mesh_free()

void mesh_free

(

GF_Mesh *

mesh

)

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mesh_reset()

void mesh_reset

(

GF_Mesh *

mesh

)

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mesh_update_bounds()

void mesh_update_bounds

(

GF_Mesh *

mesh

)

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mesh_set_vertex_vx()

void mesh_set_vertex_vx	(	GF_Mesh *	mesh,
		GF_Vertex *	vx
	)

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mesh_set_vertex()

void mesh_set_vertex	(	GF_Mesh *	mesh,
		Fixed	x,
		Fixed	y,
		Fixed	z,
		Fixed	nx,
		Fixed	ny,
		Fixed	nz,
		Fixed	u,
		Fixed	v
	)

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mesh_set_index()

void mesh_set_index	(	GF_Mesh *	mesh,
		u32	idx
	)

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mesh_set_point()

void mesh_set_point	(	GF_Mesh *	mesh,
		Fixed	x,
		Fixed	y,
		Fixed	z,
		SFColorRGBA	col
	)

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mesh_set_triangle()

void mesh_set_triangle	(	GF_Mesh *	mesh,
		u32	id1,
		u32	id2,
		u32	id3
	)

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mesh_clone()

void mesh_clone	(	GF_Mesh *	dest,
		GF_Mesh *	orig
	)

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mesh_recompute_normals()

void mesh_recompute_normals

(

GF_Mesh *

mesh

)

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mesh_generate_tex_coords()

void mesh_generate_tex_coords	(	GF_Mesh *	mesh,
		GF_Node *	__texCoords
	)

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mesh_new_unit_bbox()

void mesh_new_unit_bbox

(

GF_Mesh *

mesh

)

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mesh_new_rectangle()

void mesh_new_rectangle	(	GF_Mesh *	mesh,
		SFVec2f	size,
		SFVec2f *	orig,
		Bool	flip
	)

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mesh_new_rectangle_ex()

void mesh_new_rectangle_ex	(	GF_Mesh *	mesh,
		SFVec2f	size,
		SFVec2f *	orig,
		u32	flip,
		u32	rotate
	)

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mesh_new_ellipse()

void mesh_new_ellipse	(	GF_Mesh *	mesh,
		Fixed	a_dia,
		Fixed	b_dia,
		Bool	low_res
	)

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mesh_new_box()

void mesh_new_box	(	GF_Mesh *	mesh,
		SFVec3f	size
	)

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mesh_new_cylinder()

void mesh_new_cylinder	(	GF_Mesh *	mesh,
		Fixed	height,
		Fixed	radius,
		Bool	bottom,
		Bool	side,
		Bool	top,
		Bool	low_res
	)

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mesh_new_cone()

void mesh_new_cone	(	GF_Mesh *	mesh,
		Fixed	height,
		Fixed	radius,
		Bool	bottom,
		Bool	side,
		Bool	low_res
	)

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mesh_new_sphere()

void mesh_new_sphere	(	GF_Mesh *	mesh,
		Fixed	radius,
		Bool	low_res,
		GF_MeshSphereAngles *	angles
	)

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mesh_new_ils()

void mesh_new_ils	(	GF_Mesh *	mesh,
		GF_Node *	__coord,
		MFInt32 *	coordIndex,
		GF_Node *	__color,
		MFInt32 *	colorIndex,
		Bool	colorPerVertex,
		Bool	do_close
	)

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mesh_new_ifs2d()

void mesh_new_ifs2d	(	GF_Mesh *	mesh,
		GF_Node *	ifs2d
	)

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mesh_new_ifs()

void mesh_new_ifs	(	GF_Mesh *	mesh,
		GF_Node *	ifs
	)

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mesh_new_ps()

void mesh_new_ps	(	GF_Mesh *	mesh,
		GF_Node *	__coord,
		GF_Node *	__color
	)

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mesh_new_elevation_grid()

void mesh_new_elevation_grid	(	GF_Mesh *	mesh,
		GF_Node *	eg
	)

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mesh_new_extrusion()

void mesh_new_extrusion	(	GF_Mesh *	mesh,
		GF_Node *	ext
	)

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mesh_from_path()

void mesh_from_path	(	GF_Mesh *	mesh,
		GF_Path *	path
	)

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mesh_get_outline()

void mesh_get_outline	(	GF_Mesh *	mesh,
		GF_Path *	path
	)

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mesh_extrude_path()

void mesh_extrude_path	(	GF_Mesh *	mesh,
		GF_Path *	path,
		MFVec3f *	thespine,
		Fixed	creaseAngle,
		Bool	begin_cap,
		Bool	end_cap,
		MFRotation *	spine_ori,
		MFVec2f *	spine_scale,
		Bool	tx_along_spine
	)

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mesh_extrude_path_ext()

void mesh_extrude_path_ext	(	GF_Mesh *	mesh,
		GF_Path *	path,
		MFVec3f *	thespine,
		Fixed	creaseAngle,
		Fixed	min_cx,
		Fixed	min_cy,
		Fixed	width_cx,
		Fixed	width_cy,
		Bool	begin_cap,
		Bool	end_cap,
		MFRotation *	spine_ori,
		MFVec2f *	spine_scale,
		Bool	tx_along_spine
	)

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gf_mesh_intersect_ray()

Bool gf_mesh_intersect_ray	(	GF_Mesh *	mesh,
		GF_Ray *	r,
		SFVec3f *	outPoint,
		SFVec3f *	outNormal,
		SFVec2f *	outTexCoords
	)

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gf_mesh_closest_face()

Bool gf_mesh_closest_face	(	GF_Mesh *	mesh,
		SFVec3f	pos,
		Fixed	min_dist,
		SFVec3f *	outPoint
	)

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gf_mesh_build_aabbtree()

void gf_mesh_build_aabbtree

(

GF_Mesh *

mesh

)

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TesselateFaceMesh()

void TesselateFaceMesh	(	GF_Mesh *	mesh,
		GF_Mesh *	face
	)

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