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EPhysics: soft body slice per face 

This changes how initial points of deformations are mapped, now we
must support multiple faces so different points of deformation for
each.


Patch by: Leandro Dorileo <dorileo@profusion.mobi>



SVN revision: 79597
This commit is contained in:
Leandro Dorileo 2012-11-23 21:49:57 +00:00 committed by Bruno Dilly
parent f962999612
commit 6f743c6978
3 changed files with 164 additions and 47 deletions
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18
legacy/ephysics/src/lib/EPhysics.h
View File

@ -2195,6 +2195,24 @@ typedef enum _EPhysics_Body_Face
EPHYSICS_BODY_CLOTH_FACE_FRONT,
EPHYSICS_BODY_CLOTH_FACE_BACK,
EPHYSICS_BODY_SOFT_ELLIPSOID_FACE_FRONT,
EPHYSICS_BODY_SOFT_ELLIPSOID_FACE_BACK,
EPHYSICS_BODY_SOFT_BOX_FACE_MIDDLE_FRONT,
EPHYSICS_BODY_SOFT_BOX_FACE_MIDDLE_BACK,
EPHYSICS_BODY_SOFT_BOX_FACE_FRONT,
EPHYSICS_BODY_SOFT_BOX_FACE_BACK,
EPHYSICS_BODY_SOFT_BOX_FACE_LEFT,
EPHYSICS_BODY_SOFT_BOX_FACE_RIGHT,
EPHYSICS_BODY_SOFT_BOX_FACE_TOP,
EPHYSICS_BODY_SOFT_BOX_FACE_BOTTOM,
EPHYSICS_BODY_SOFT_CIRCLE_FACE_MIDDLE_FRONT,
EPHYSICS_BODY_SOFT_CIRCLE_FACE_MIDDLE_BACK,
EPHYSICS_BODY_SOFT_CIRCLE_FACE_FRONT,
EPHYSICS_BODY_SOFT_CIRCLE_FACE_BACK,
EPHYSICS_BODY_SOFT_CIRCLE_FACE_CURVED,
EPHYSICS_BODY_FACE_LAST,
} EPhysics_Body_Face;

180
legacy/ephysics/src/lib/ephysics_body.cpp
View File

@ -319,6 +319,23 @@ _ephysics_body_evas_stacking_new(Evas_Object *obj, float index)
return stacking;
}
static Eina_List *
_ephysics_body_soft_body_slices_get(EPhysics_Body *body)
{
Eina_List *l, *slices_list, *slices = NULL;
void *ldata, *slice_data;
EPhysics_Body_Face_Slice *face_slice;
EINA_LIST_FOREACH(body->faces_slices, l, ldata)
{
face_slice = (EPhysics_Body_Face_Slice *)ldata;
EINA_LIST_FOREACH(face_slice->slices, slices_list, slice_data)
slices = eina_list_append(slices, slice_data);
}
return slices;
}
void
ephysics_body_evas_objects_restack(EPhysics_World *world)
{
@ -369,9 +386,10 @@ ephysics_body_evas_objects_restack(EPhysics_World *world)
continue;
}
if (!body->slices_list) continue;
slices = _ephysics_body_soft_body_slices_get(body);
if (!slices) continue;
EINA_LIST_FOREACH(body->slices_list, slices, slice_data)
EINA_LIST_FREE(slices, slice_data)
{
previously_added = EINA_FALSE;
slice = (EPhysics_Body_Soft_Body_Slice *)slice_data;
@ -731,7 +749,10 @@ static void
_ephysics_body_evas_obj_del_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
{
EPhysics_Body *body = (EPhysics_Body *) data;
_ephysics_body_soft_body_slices_clean(body->slices_list);
if (body->default_face)
_ephysics_body_soft_body_slices_clean(body->default_face->slices);
body->evas_obj = NULL;
DBG("Evas object deleted. Updating body: %p", body);
}
@ -1042,12 +1063,13 @@ _ephysics_body_evas_obj_resize_cb(void *data, Evas *e __UNUSED__, Evas_Object *o
_ephysics_body_soft_body_evas_restack_cb(void *data, Evas *evas __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
{
EPhysics_Body *body = (EPhysics_Body *)data;
Eina_List *l;
Eina_List *slices;
void *ldata;
EPhysics_Body_Soft_Body_Slice *slice;
short layer = evas_object_layer_get(obj);
EINA_LIST_FOREACH(body->slices_list, l, ldata)
slices = _ephysics_body_soft_body_slices_get(body);
EINA_LIST_FREE(slices, ldata)
{
slice = (EPhysics_Body_Soft_Body_Slice *)ldata;
evas_object_layer_set(slice->evas_obj, layer);
@ -1055,11 +1077,36 @@ _ephysics_body_soft_body_evas_restack_cb(void *data, Evas *evas __UNUSED__, Evas
DBG("Body's slices layer reset to: %d", layer);
}
static void
_ephysics_body_face_slice_del(EPhysics_Body_Face_Slice *face_slice)
{
_ephysics_body_soft_body_slices_clean(face_slice->slices);
free(face_slice->points_deform);
free(face_slice);
}
static EPhysics_Body_Face_Slice *
_ephysics_body_face_slice_add(EPhysics_Body *body, EPhysics_Body_Face face)
{
EPhysics_Body_Face_Slice *face_slice;
face_slice = (EPhysics_Body_Face_Slice *)calloc(1,
sizeof(EPhysics_Body_Face_Slice));
if (!face_slice)
return NULL;
face_slice->face = face;
body->faces_slices = eina_list_append(body->faces_slices, face_slice);
return face_slice;
DBG("New face slice added to body %p", body);
}
static void
_ephysics_body_del(EPhysics_Body *body)
{
EPhysics_Body_Callback *cb;
void *group;
void *face_slice;
if (body->evas_obj)
{
@ -1068,7 +1115,7 @@ _ephysics_body_del(EPhysics_Body *body)
evas_object_event_callback_del(body->evas_obj, EVAS_CALLBACK_RESIZE,
_ephysics_body_evas_obj_resize_cb);
if (body->slices_list)
if (body->faces_slices)
evas_object_event_callback_del(body->evas_obj, EVAS_CALLBACK_RESTACK,
_ephysics_body_soft_body_evas_restack_cb);
}
@ -1084,7 +1131,8 @@ _ephysics_body_del(EPhysics_Body *body)
EINA_LIST_FREE(body->collision_groups, group)
eina_stringshare_del((Eina_Stringshare *)group);
free(body->points_deform);
EINA_LIST_FREE(body->faces_slices, face_slice)
_ephysics_body_face_slice_del((EPhysics_Body_Face_Slice *)face_slice);
if (body->rigid_body)
{
@ -1363,6 +1411,8 @@ _ephysics_body_evas_object_default_update(EPhysics_Body *body)
btQuaternion quat;
Evas_Map *map;
double rate;
Eina_List *l;
void *ldata;
if (body->face_objs)
{
@ -1407,7 +1457,9 @@ _ephysics_body_evas_object_default_update(EPhysics_Body *body)
if (body->type != EPHYSICS_BODY_TYPE_RIGID)
{
_ephysics_body_soft_body_slices_apply(body, body->slices_list);
EINA_LIST_FOREACH(body->faces_slices, l, ldata)
_ephysics_body_soft_body_slices_apply(body,
((EPhysics_Body_Face_Slice *)ldata)->slices);
return;
}
@ -1860,7 +1912,6 @@ _ephysics_body_slices_add(EPhysics_Body *body, int slices_cnt, int *points, doub
Eina_List *slices = NULL;
EPhysics_Body_Soft_Body_Slice *slice;
btSoftBody::tFaceArray faces;
void *ldata;
for (int i = 0; i < slices_cnt; i++)
{
@ -1944,6 +1995,7 @@ EAPI EPhysics_Body *
ephysics_body_cloth_add(EPhysics_World *world, unsigned short rows, unsigned short columns)
{
EPhysics_Body *body;
EPhysics_Body_Face_Slice *face_slice;
btSoftBodyWorldInfo *world_info;
btSoftBody *soft_body;
const int body_rows = (!rows) ? 15 : rows;
@ -1983,26 +2035,37 @@ ephysics_body_cloth_add(EPhysics_World *world, unsigned short rows, unsigned sho
_ephysics_body_soft_body_default_config(body, soft_body);
_ephysics_body_cloth_constraints_rebuild(body);
body->slices = soft_body->m_faces.size();
body->points_deform = (int *)malloc(body->slices * sizeof(int));
if (!body->points_deform)
face_slice = _ephysics_body_face_slice_add(body,
EPHYSICS_BODY_CLOTH_FACE_FRONT);
if (!face_slice)
{
ERR("Could not allocate face slice data structure.");
goto no_face_slice;
}
face_slice->slices_cnt = soft_body->m_faces.size();
face_slice->points_deform = (int *)malloc(face_slice->slices_cnt *
sizeof(int));
if (!face_slice->points_deform)
{
ERR("Couldn't create points of deformation.");
goto no_deform;
}
for (int i = 0; i < body->slices; i++)
body->points_deform[i] = i;
for (int i = 0; i < face_slice->slices_cnt; i++)
face_slice->points_deform[i] = i;
body->slices_list = _ephysics_body_slices_add(body, body->slices,
body->points_deform, -1, 1);
if (!body->slices_list)
face_slice->slices = _ephysics_body_slices_add(body, face_slice->slices_cnt,
face_slice->points_deform, -1,
1);
if (!face_slice->slices)
{
ERR("Couldn't create slices.");
goto no_slices;
}
body->default_face = face_slice;
body->cloth_columns = body_columns;
body->cloth_rows = body_rows;
body->type = EPHYSICS_BODY_TYPE_CLOTH;
@ -2012,8 +2075,9 @@ ephysics_body_cloth_add(EPhysics_World *world, unsigned short rows, unsigned sho
return body;
no_slices:
free(body->points_deform);
no_deform:
_ephysics_body_face_slice_del(face_slice);
no_face_slice:
free(body);
no_body:
delete soft_body;
@ -2179,6 +2243,7 @@ EAPI EPhysics_Body *
ephysics_body_soft_circle_add(EPhysics_World *world)
{
EPhysics_Body *body;
EPhysics_Body_Face_Slice *face_slice;
btCollisionShape *shape;
btSoftBodyWorldInfo *world_info;
btSoftBody *soft_body;
@ -2215,32 +2280,45 @@ ephysics_body_soft_circle_add(EPhysics_World *world)
goto no_body;
body->shape = EPHYSICS_BODY_SHAPE_CYLINDER;
body->slices = 19;
body->points_deform = (int *)malloc(body->slices * sizeof(int));
if (!body->points_deform)
face_slice = _ephysics_body_face_slice_add(body,
EPHYSICS_BODY_SOFT_CIRCLE_FACE_FRONT);
if (!face_slice)
{
ERR("Could not allocate face slice data structure.");
goto no_face_slice;
}
face_slice->slices_cnt = 19;
face_slice->points_deform = (int *)malloc(face_slice->slices_cnt *
sizeof(int));
if (!face_slice->points_deform)
{
ERR("Couldn't create points of deformation.");
goto no_deform;
}
for (int i = 0; i < body->slices; i++)
body->points_deform[i] = points[i];
for (int i = 0; i < face_slice->slices_cnt; i++)
face_slice->points_deform[i] = points[i];
body->slices_list = _ephysics_body_slices_add(body, body->slices,
body->points_deform, 0.55, 1.1);
if (!body->slices_list)
face_slice->slices = _ephysics_body_slices_add(body, face_slice->slices_cnt,
face_slice->points_deform, 0.55,
1.1);
if (!face_slice->slices)
{
ERR("Couldn't create slices.");
goto no_slices;
}
body->default_face = face_slice;
ephysics_world_lock_release(world);
return body;
no_slices:
free(body->points_deform);
no_deform:
_ephysics_body_face_slice_del(face_slice);
no_face_slice:
ephysics_world_body_del(world, body);
no_body:
delete soft_body;
@ -2282,6 +2360,7 @@ EAPI EPhysics_Body *
ephysics_body_soft_box_add(EPhysics_World *world)
{
EPhysics_Body *body;
EPhysics_Body_Face_Slice *face_slice;
btCollisionShape *shape;
btSoftBodyWorldInfo *world_info;
btSoftBody *soft_body;
@ -2318,31 +2397,44 @@ ephysics_body_soft_box_add(EPhysics_World *world)
goto no_body;
body->shape = EPHYSICS_BODY_SHAPE_BOX;
body->slices = 16;
body->points_deform = (int *)malloc(body->slices * sizeof(int));
if (!body->points_deform)
face_slice = _ephysics_body_face_slice_add(body,
EPHYSICS_BODY_SOFT_BOX_FACE_FRONT);
if (!face_slice)
{
ERR("Could not allocate face slice data structure.");
goto no_face_slice;
}
face_slice->slices_cnt = 16;
face_slice->points_deform = (int *)malloc(face_slice->slices_cnt *
sizeof(int));
if (!face_slice->points_deform)
{
ERR("Couldn't create points of deformation.");
goto no_deform;
}
for (int i = 0; i < body->slices; i++)
body->points_deform[i] = points[i];
for (int i = 0; i < face_slice->slices_cnt; i++)
face_slice->points_deform[i] = points[i];
body->slices_list = _ephysics_body_slices_add(body, body->slices,
body->points_deform, 0.55, 1.1);
if (!body->slices_list)
face_slice->slices = _ephysics_body_slices_add(body, face_slice->slices_cnt,
face_slice->points_deform, 0.55,
1.1);
if (!face_slice->slices)
{
ERR("Couldn't create slices.");
goto no_slices;
}
body->default_face = face_slice;
ephysics_world_lock_release(world);
return body;
no_slices:
free(body->points_deform);
no_face_slice:
_ephysics_body_face_slice_del(face_slice);
no_deform:
ephysics_world_body_del(world, body);
no_body:
@ -2687,12 +2779,12 @@ ephysics_body_evas_object_set(EPhysics_Body *body, Evas_Object *evas_obj, Eina_B
_ephysics_body_evas_obj_del_cb);
evas_object_event_callback_del(body->evas_obj, EVAS_CALLBACK_RESIZE,
_ephysics_body_evas_obj_resize_cb);
if (body->slices_list)
if (body->default_face)
{
evas_object_event_callback_del(body->evas_obj,
EVAS_CALLBACK_RESTACK,
_ephysics_body_soft_body_evas_restack_cb);
_ephysics_body_soft_body_slices_clean(body->slices_list);
_ephysics_body_soft_body_slices_clean(body->default_face->slices);
}
}
@ -2704,7 +2796,7 @@ ephysics_body_evas_object_set(EPhysics_Body *body, Evas_Object *evas_obj, Eina_B
{
evas_object_event_callback_add(body->evas_obj, EVAS_CALLBACK_RESTACK,
_ephysics_body_soft_body_evas_restack_cb, body);
_ephysics_body_soft_body_slices_init(body, body->slices_list);
_ephysics_body_soft_body_slices_init(body, body->default_face->slices);
}
if (!use_obj_pos)
@ -2744,12 +2836,12 @@ ephysics_body_evas_object_unset(EPhysics_Body *body)
evas_object_map_enable_set(obj, EINA_FALSE);
}
if (body->slices_list)
if (body->default_face)
{
evas_object_event_callback_del(body->evas_obj,
EVAS_CALLBACK_RESTACK,
_ephysics_body_soft_body_evas_restack_cb);
_ephysics_body_soft_body_slices_clean(body->slices_list);
_ephysics_body_soft_body_slices_clean(body->default_face->slices);
}
return obj;

13
legacy/ephysics/src/lib/ephysics_private.h
View File

@ -51,6 +51,7 @@ extern "C" {
typedef struct _EPhysics_Force EPhysics_Force;
typedef struct _EPhysics_Body_Center_Mass EPhysics_Body_Center_Mass;
typedef struct _EPhysics_Body_Size EPhysics_Body_Size;
typedef struct _EPhysics_Body_Face_Slice EPhysics_Body_Face_Slice;
typedef struct _EPhysics_Point EPhysics_Point;
typedef struct _EPhysics_Dragging_Data EPhysics_Dragging_Data;
@ -114,6 +115,13 @@ struct _EPhysics_Body_Size {
Evas_Coord d;
};
struct _EPhysics_Body_Face_Slice {
EPhysics_Body_Face face;
int slices_cnt;
int *points_deform;
Eina_List *slices;
};
struct _EPhysics_Body {
EINA_INLIST;
btCollisionShape *collision_shape;
@ -128,15 +136,14 @@ struct _EPhysics_Body {
Eina_Inlist *callbacks;
Eina_List *collision_groups;
Eina_List *to_delete;
Eina_List *slices_list;
Eina_List *face_objs;
EPhysics_Body_Material material;
double mass;
double density;
EPhysics_Force force;
EPhysics_Body_Center_Mass cm;
int slices;
int *points_deform;
Eina_List *faces_slices;
EPhysics_Body_Face_Slice *default_face;
EPhysics_Body_Type type;
EPhysics_Body_Shape shape;
int cloth_columns;