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efl/src/lib/evas/canvas/evas_3d_mesh.c

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#include "evas_common_private.h"
#include "evas_private.h"
#define MY_CLASS EVAS_3D_MESH_CLASS
static Evas_3D_Mesh_Frame *
evas_3d_mesh_frame_new(Evas_3D_Mesh *mesh)
{
Evas_3D_Mesh_Frame *frame = NULL;
frame = (Evas_3D_Mesh_Frame *)calloc(1, sizeof(Evas_3D_Mesh_Frame));
if (frame == NULL)
{
ERR("Failed to allocate memory.");
return NULL;
}
frame->mesh = mesh;
evas_box3_empty_set(&frame->aabb);
return frame;
}
static void
evas_3d_mesh_frame_free(Evas_3D_Mesh_Frame *frame)
{
int i;
if (frame->material)
evas_3d_material_mesh_del(frame->material, frame->mesh);
for (i = 0; i < EVAS_3D_VERTEX_ATTRIB_COUNT; i++)
{
if (frame->vertices[i].owns_data)
free(frame->vertices[i].data);
}
free(frame);
}
Evas_3D_Mesh_Frame *
evas_3d_mesh_frame_find(Evas_3D_Mesh_Data *pd, int frame)
{
Eina_List *l;
Evas_3D_Mesh_Frame *f;
EINA_LIST_FOREACH(pd->frames, l, f)
{
if (f->frame == frame)
return f;
}
return NULL;
}
Eina_Bool
evas_3d_mesh_aabb_add_to_frame(Evas_3D_Mesh_Data *pd, int frame, int stride)
{
Evas_3D_Mesh_Frame *curframe = evas_3d_mesh_frame_find(pd, frame);
int i = 0, j = 0, step = 0, size = 0, max;
float vxmin, vymin, vzmin, vxmax, vymax, vzmax;
float *minmaxdata = NULL;
Evas_Box3 box3;
if (stride <= 0) return EINA_FALSE;
if (!curframe)
{
ERR("Invalid frame %i.", frame);
return EINA_FALSE;
}
step = curframe->vertices[EVAS_3D_VERTEX_POSITION].element_count;
size = curframe->vertices[EVAS_3D_VERTEX_POSITION].size;
minmaxdata = (float *)curframe->vertices[EVAS_3D_VERTEX_POSITION].data;
if (!minmaxdata)
{
ERR("Invalid vertex data.");
return EINA_FALSE;
}
vxmax = vxmin = minmaxdata[0];
vymax = vymin = minmaxdata[1];
vzmax = vzmin = minmaxdata[2];
j += step;
max = size / stride;
for (i = 1; i < max; ++i)
{
vxmin > minmaxdata[j] ? vxmin = minmaxdata[j] : 0;
vxmax < minmaxdata[j] ? vxmax = minmaxdata[j] : 0;
vymin > minmaxdata[j + 1] ? vymin = minmaxdata[j + 1] : 0;
vymax < minmaxdata[j + 1] ? vymax = minmaxdata[j + 1] : 0;
vzmin > minmaxdata[j + 2] ? vzmin = minmaxdata[j + 2] : 0;
vzmax < minmaxdata[j + 2] ? vzmax = minmaxdata[j + 2] : 0;
j += step;
}
evas_box3_empty_set(&box3);
evas_box3_set(&box3, vxmin, vymin, vzmin, vxmax, vymax, vzmax);
curframe->aabb = box3;
return EINA_TRUE;
}
static inline void
_mesh_init(Evas_3D_Mesh_Data *pd)
{
pd->vertex_count = 0;
pd->frame_count = 0;
pd->frames = NULL;
pd->index_format = EVAS_3D_INDEX_FORMAT_NONE;
pd->index_count = 0;
pd->indices = NULL;
pd->owns_indices = EINA_FALSE;
pd->assembly = EVAS_3D_VERTEX_ASSEMBLY_TRIANGLES;
pd->nodes = NULL;
pd->blend_sfactor = EVAS_3D_BLEND_ONE;
pd->blend_dfactor = EVAS_3D_BLEND_ZERO;
pd->blending = EINA_FALSE;
pd->color_pick_key = -1.0;
pd->color_pick_enabled = EINA_FALSE;
}
static inline void
_mesh_fini(Evas_3D_Mesh_Data *pd)
{
Eina_List *l;
Evas_3D_Mesh_Frame *f;
if (pd->frames)
{
EINA_LIST_FOREACH(pd->frames, l, f)
{
evas_3d_mesh_frame_free(f);
}
eina_list_free(pd->frames);
}
if (pd->indices && pd->owns_indices)
free(pd->indices);
if (pd->nodes)
eina_hash_free(pd->nodes);
}
static Eina_Bool
_mesh_node_geometry_change_notify(const Eina_Hash *hash EINA_UNUSED, const void *key,
void *data EINA_UNUSED, void *fdata)
{
Evas_3D_Node *n = *(Evas_3D_Node **)key;
eo_do(n, evas_3d_object_change(EVAS_3D_STATE_NODE_MESH_GEOMETRY, (Evas_3D_Object *)fdata));
return EINA_TRUE;
}
static Eina_Bool
_mesh_node_material_change_notify(const Eina_Hash *hash EINA_UNUSED, const void *key,
void *data EINA_UNUSED, void *fdata)
{
Evas_3D_Node *n = *(Evas_3D_Node **)key;
eo_do(n, evas_3d_object_change(EVAS_3D_STATE_NODE_MESH_MATERIAL, (Evas_3D_Object *)fdata));
return EINA_TRUE;
}
static void
_evas_3d_mesh_evas_3d_object_change_notify(Eo *obj, Evas_3D_Mesh_Data *pd, Evas_3D_State state, Evas_3D_Object *ref EINA_UNUSED)
{
if (state == EVAS_3D_STATE_MESH_MATERIAL)
{
if (pd->nodes)
eina_hash_foreach(pd->nodes, _mesh_node_material_change_notify, obj);
}
else
{
if (pd->nodes)
eina_hash_foreach(pd->nodes, _mesh_node_geometry_change_notify, obj);
}
}
EOLIAN static void
_evas_3d_mesh_evas_3d_object_update_notify(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd)
{
Eina_List *l;
Evas_3D_Mesh_Frame *f;
EINA_LIST_FOREACH(pd->frames, l, f)
{
if (f->material)
{
eo_do(f->material, evas_3d_object_update());
}
}
}
void
evas_3d_mesh_node_add(Evas_3D_Mesh *mesh, Evas_3D_Node *node)
{
int count = 0;
Evas_3D_Mesh_Data *pd = eo_data_scope_get(mesh, MY_CLASS);
if (pd->nodes == NULL)
{
pd->nodes = eina_hash_pointer_new(NULL);
if (pd->nodes == NULL)
{
ERR("Failed to create hash table.");
return;
}
}
else
count = (int)(uintptr_t)eina_hash_find(pd->nodes, &node);
eina_hash_set(pd->nodes, &node, (const void *)(uintptr_t)(count + 1));
}
void
evas_3d_mesh_node_del(Evas_3D_Mesh *mesh, Evas_3D_Node *node)
{
int count = 0;
Evas_3D_Mesh_Data *pd = eo_data_scope_get(mesh, MY_CLASS);
if (pd->nodes == NULL)
{
ERR("No node to delete.");
return;
}
count = (int)(uintptr_t)eina_hash_find(pd->nodes, &node);
if (count == 1)
eina_hash_del(pd->nodes, &node, NULL);
else
eina_hash_set(pd->nodes, &node, (const void *)(uintptr_t)(count - 1));
}
EAPI Evas_3D_Mesh *
evas_3d_mesh_add(Evas *e)
{
MAGIC_CHECK(e, Evas, MAGIC_EVAS);
return NULL;
MAGIC_CHECK_END();
Evas_Object *eo_obj = eo_add(MY_CLASS, e);
return eo_obj;
}
EOLIAN static void
_evas_3d_mesh_eo_base_constructor(Eo *obj, Evas_3D_Mesh_Data *pd)
{
eo_do_super(obj, MY_CLASS, eo_constructor());
eo_do (obj, evas_3d_object_type_set(EVAS_3D_OBJECT_TYPE_MESH));
_mesh_init(pd);
}
EOLIAN static void
_evas_3d_mesh_eo_base_destructor(Eo *obj, Evas_3D_Mesh_Data *pd)
{
_mesh_fini(pd);
eo_do_super(obj, MY_CLASS, eo_destructor());
}
EOLIAN static void
_evas_3d_mesh_shade_mode_set(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd, Evas_3D_Shade_Mode mode)
{
if (pd->shade_mode != mode)
{
pd->shade_mode = mode;
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_SHADE_MODE, NULL));
}
}
EOLIAN static Evas_3D_Shade_Mode
_evas_3d_mesh_shade_mode_get(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd)
{
return pd->shade_mode;
}
EOLIAN static void
_evas_3d_mesh_vertex_count_set(Eo *obj, Evas_3D_Mesh_Data *pd, unsigned int count)
{
pd->vertex_count = count;
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_VERTEX_COUNT, NULL));
}
EOLIAN static unsigned int
_evas_3d_mesh_vertex_count_get(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd)
{
return pd->vertex_count;
}
EOLIAN static void
_evas_3d_mesh_frame_add(Eo *obj, Evas_3D_Mesh_Data *pd, int frame)
{
Evas_3D_Mesh_Frame *f = evas_3d_mesh_frame_find(pd, frame);
if (f != NULL)
{
ERR("Already existing frame.");
return;
}
f = evas_3d_mesh_frame_new(obj);
if (f == NULL)
return;
f->frame = frame;
pd->frames = eina_list_append(pd->frames, f);
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_FRAME, NULL));
}
EOLIAN static void
_evas_3d_mesh_frame_del(Eo *obj, Evas_3D_Mesh_Data *pd, int frame)
{
Evas_3D_Mesh_Frame *f = evas_3d_mesh_frame_find(pd, frame);
if (f == NULL)
{
ERR("Not existing mesh frame.");
return;
}
pd->frames = eina_list_remove(pd->frames, f);
evas_3d_mesh_frame_free(f);
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_FRAME, NULL));
}
EOLIAN static void
_evas_3d_mesh_frame_material_set(Eo *obj, Evas_3D_Mesh_Data *pd, int frame, Evas_3D_Material *material)
{
Evas_3D_Mesh_Frame *f = evas_3d_mesh_frame_find(pd, frame);
if (f == NULL)
{
ERR("Not existing mesh frame.");
return;
}
if (f->material == material)
return;
if (f->material)
{
evas_3d_material_mesh_del(f->material, obj);
eo_unref(f->material);
}
f->material = material;
eo_ref(material);
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_MATERIAL, NULL));
evas_3d_material_mesh_add(material, obj);
}
EOLIAN static Evas_3D_Material *
_evas_3d_mesh_frame_material_get(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd, int frame)
{
Evas_3D_Mesh_Frame *f = evas_3d_mesh_frame_find(pd, frame);
if (f == NULL)
{
ERR("Not existing mesh frame.");
return NULL;
}
return f->material;
}
EOLIAN static void
_evas_3d_mesh_frame_vertex_data_set(Eo *obj, Evas_3D_Mesh_Data *pd, int frame, Evas_3D_Vertex_Attrib attrib, int stride, const void *data)
{
Evas_3D_Mesh_Frame *f = evas_3d_mesh_frame_find(pd, frame);
int element_count;
if (f == NULL)
{
ERR("Not existing mesh frame.");
return;
}
if (stride < (int)sizeof(float))
{
ERR("Stride too small");
return;
}
if (attrib == EVAS_3D_VERTEX_POSITION)
{
int i = 0, j = 0, size = stride/sizeof(float);
float vxmin, vymin, vzmin, vxmax, vymax, vzmax;
float *minmaxdata = (float *)data;
Evas_Box3 box3;
element_count = 3;
if (minmaxdata)
{
vxmax = vxmin = minmaxdata[0];
vymax = vymin = minmaxdata[1];
vzmax = vzmin = minmaxdata[2];
j += size;
for (i = 1; i < size; ++i)
{
vxmin > minmaxdata[j] ? vxmin = minmaxdata[j] : 0;
vxmax < minmaxdata[j] ? vxmax = minmaxdata[j] : 0;
vymin > minmaxdata[j + 1] ? vymin = minmaxdata[j + 1] : 0;
vymax < minmaxdata[j + 1] ? vymax = minmaxdata[j + 1] : 0;
vzmin > minmaxdata[j + 2] ? vzmin = minmaxdata[j + 2] : 0;
vzmax < minmaxdata[j + 2] ? vzmax = minmaxdata[j + 2] : 0;
j += size;
}
evas_box3_empty_set(&box3);
evas_box3_set(&box3, vxmin, vymin, vzmin, vxmax, vymax, vzmax);
f->aabb = box3;
}
else
{
ERR("Axis-Aligned Bounding Box wasn't added in frame %d ", frame);
}
}
else if (attrib == EVAS_3D_VERTEX_NORMAL)
{
element_count = 3;
}
else if (attrib == EVAS_3D_VERTEX_TANGENT)
{
element_count = 3;
}
else if (attrib == EVAS_3D_VERTEX_COLOR)
{
element_count = 4;
}
else if (attrib == EVAS_3D_VERTEX_TEXCOORD)
{
element_count = 2;
}
else
{
ERR("Invalid vertex attrib.");
return;
}
if (f->vertices[attrib].owns_data && f->vertices[attrib].data)
free(f->vertices[attrib].data);
f->vertices[attrib].size = 0;
f->vertices[attrib].stride = stride;
f->vertices[attrib].data = (void *)data;
f->vertices[attrib].owns_data = EINA_FALSE;
f->vertices[attrib].element_count = element_count;
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_VERTEX_DATA, NULL));
}
EOLIAN static void
_evas_3d_mesh_frame_vertex_data_copy_set(Eo *obj, Evas_3D_Mesh_Data *pd, int frame, Evas_3D_Vertex_Attrib attrib, int stride, const void *data)
{
Evas_3D_Mesh_Frame *f = evas_3d_mesh_frame_find(pd, frame);
Evas_3D_Vertex_Buffer *vb;
int size, element_count;
if (f == NULL)
{
ERR("Not existing mesh frame.");
return;
}
if (attrib == EVAS_3D_VERTEX_POSITION)
{
element_count = 3;
}
else if (attrib == EVAS_3D_VERTEX_NORMAL)
{
element_count = 3;
}
else if (attrib == EVAS_3D_VERTEX_TANGENT)
{
element_count = 3;
}
else if (attrib == EVAS_3D_VERTEX_COLOR)
{
element_count = 4;
}
else if (attrib == EVAS_3D_VERTEX_TEXCOORD)
{
element_count = 2;
}
else
{
ERR("Invalid vertex attrib.");
return;
}
vb = &f->vertices[attrib];
size = element_count * sizeof(float) * pd->vertex_count;
if (!vb->owns_data || vb->size < size)
{
if (vb->owns_data && vb->data)
free(vb->data);
vb->data = malloc(size);
if (vb->data == NULL)
{
vb->element_count = 0;
vb->size = 0;
vb->stride = 0;
vb->owns_data = EINA_FALSE;
ERR("Failed to allocate memory.");
return;
}
vb->size = size;
vb->owns_data = EINA_TRUE;
}
vb->element_count = element_count;
vb->stride = 0;
if (data == NULL)
return;
if (stride == 0 || stride == (int)(element_count * sizeof(float)))
{
memcpy(vb->data, data, size);
}
else
{
int i;
float *dst = (float *)vb->data;
float *src = (float *)data;
if (element_count == 2)
{
for (i = 0; i <pd->vertex_count; i++)
{
*dst++ = src[0];
*dst++ = src[1];
src = (float *)((char *)src + stride);
}
}
else if (element_count == 3)
{
for (i = 0; i <pd->vertex_count; i++)
{
*dst++ = src[0];
*dst++ = src[1];
*dst++ = src[2];
src = (float *)((char *)src + stride);
}
}
else if (element_count == 4)
{
for (i = 0; i <pd->vertex_count; i++)
{
*dst++ = src[0];
*dst++ = src[1];
*dst++ = src[2];
*dst++ = src[3];
src = (float *)((char *)src + stride);
}
}
}
if (attrib == EVAS_3D_VERTEX_POSITION &&
!evas_3d_mesh_aabb_add_to_frame(pd, frame, stride))
{
ERR("Axis-Aligned Bounding Box wasn't added in frame %d ", frame);
}
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_VERTEX_DATA, NULL));
}
EOLIAN static void *
_evas_3d_mesh_frame_vertex_data_map(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd, int frame, Evas_3D_Vertex_Attrib attrib)
{
Evas_3D_Mesh_Frame *f = evas_3d_mesh_frame_find(pd, frame);
if (f == NULL)
{
ERR("Not existing mesh frame.");
return NULL;
}
if (f->vertices[attrib].mapped)
{
ERR("Try to map alreadly mapped data.");
return NULL;
}
f->vertices[attrib].mapped = EINA_TRUE;
return f->vertices[attrib].data;
}
EOLIAN static void
_evas_3d_mesh_frame_vertex_data_unmap(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd, int frame, Evas_3D_Vertex_Attrib attrib)
{
Evas_3D_Mesh_Frame *f = evas_3d_mesh_frame_find(pd, frame);
if (f == NULL)
{
ERR("Not existing mesh frame.");
return;
}
if (!f->vertices[attrib].mapped)
{
ERR("Try to unmap data which is not mapped yet.");
return;
}
f->vertices[attrib].mapped = EINA_FALSE;
}
EOLIAN static int
_evas_3d_mesh_frame_vertex_stride_get(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd, int frame, Evas_3D_Vertex_Attrib attrib)
{
Evas_3D_Mesh_Frame *f = evas_3d_mesh_frame_find(pd, frame);
if (f == NULL)
{
ERR("Not existing mesh frame.");
return 0;
}
return f->vertices[attrib].stride;
}
EOLIAN static void
_evas_3d_mesh_index_data_set(Eo *obj, Evas_3D_Mesh_Data *pd, Evas_3D_Index_Format format, int count, const void *indices)
{
if (pd->owns_indices && pd->indices)
free(pd->indices);
pd->index_format = format;
pd->index_count = count;
pd->index_size = 0;
pd->indices = (void *)indices;
pd->owns_indices = EINA_FALSE;
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_INDEX_DATA, NULL));
}
EOLIAN static void
_evas_3d_mesh_index_data_copy_set(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd, Evas_3D_Index_Format format, int count, const void *indices)
{
int size;
if (format == EVAS_3D_INDEX_FORMAT_UNSIGNED_BYTE)
{
size = count * sizeof(unsigned char);
}
else if (format == EVAS_3D_INDEX_FORMAT_UNSIGNED_SHORT)
{
size = count * sizeof(unsigned short);
}
else
{
ERR("Invalid index format.");
return;
}
if (!pd->owns_indices || pd->index_size < size)
{
if (pd->owns_indices && pd->indices)
free(pd->indices);
pd->indices = malloc(size);
if (pd->indices == NULL)
{
ERR("Failed to allocate memory.");
return;
}
pd->index_size = size;
pd->owns_indices = EINA_TRUE;
}
pd->index_format = format;
pd->index_count = count;
if (indices)
memcpy(pd->indices, indices, size);
}
EOLIAN static Evas_3D_Index_Format
_evas_3d_mesh_index_format_get(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd)
{
return pd->index_format;
}
EOLIAN static int
_evas_3d_mesh_index_count_get(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd)
{
return pd->index_count;
}
EOLIAN static void *
_evas_3d_mesh_index_data_map(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd)
{
if (pd->index_mapped)
{
ERR("Try to map alreadly mapped data.");
return NULL;
}
pd->index_mapped = EINA_TRUE;
return pd->indices;
}
EOLIAN static void
_evas_3d_mesh_index_data_unmap(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd)
{
if (!pd->index_mapped)
{
ERR("Try to unmap data which is not mapped yet.");
return;
}
pd->index_mapped = EINA_FALSE;
}
EOLIAN static void
_evas_3d_mesh_vertex_assembly_set(Eo *obj, Evas_3D_Mesh_Data *pd, Evas_3D_Vertex_Assembly assembly)
{
pd->assembly = assembly;
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_VERTEX_ASSEMBLY, NULL));
}
EOLIAN static Evas_3D_Vertex_Assembly
_evas_3d_mesh_vertex_assembly_get(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd)
{
return pd->assembly;
}
EOLIAN static void
_evas_3d_mesh_fog_color_set(Eo *obj, Evas_3D_Mesh_Data *pd, Evas_Real r, Evas_Real g, Evas_Real b, Evas_Real a)
{
evas_color_set(&pd->fog_color, r, g, b, a);
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_FOG, NULL));
}
EOLIAN static void
_evas_3d_mesh_fog_color_get(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd,
Evas_Real *r, Evas_Real *g, Evas_Real *b, Evas_Real *a)
{
if (r) *r = pd->fog_color.r;
if (g) *g = pd->fog_color.g;
if (b) *b = pd->fog_color.b;
if (a) *a = pd->fog_color.a;
}
EOLIAN static void
_evas_3d_mesh_fog_enable_set(Eo *obj, Evas_3D_Mesh_Data *pd, Eina_Bool enabled)
{
pd->fog_enabled = enabled;
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_FOG, NULL));
}
EOLIAN static Eina_Bool
_evas_3d_mesh_fog_enable_get(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd)
{
return pd->fog_enabled;
}
EOLIAN static void
_evas_3d_mesh_blending_enable_set(Eo *obj, Evas_3D_Mesh_Data *pd, Eina_Bool blending)
{
pd->blending = blending;
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_BLENDING, NULL));
}
EOLIAN static Eina_Bool
_evas_3d_mesh_blending_enable_get(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd)
{
return pd->blending;
}
EOLIAN static void
_evas_3d_mesh_blending_func_set(Eo *obj, Evas_3D_Mesh_Data *pd, Evas_3D_Blend_Func sfactor, Evas_3D_Blend_Func dfactor)
{
pd->blend_sfactor = sfactor;
pd->blend_dfactor = dfactor;
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_BLENDING, NULL));
}
EOLIAN static void
_evas_3d_mesh_blending_func_get(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd,
Evas_3D_Blend_Func *sfactor, Evas_3D_Blend_Func *dfactor)
{
if (sfactor) *sfactor = pd->blend_sfactor;
if (dfactor) *dfactor = pd->blend_dfactor;
}
EOLIAN static void
_evas_3d_mesh_mmap_set(Eo *obj, Evas_3D_Mesh_Data *pd,
Eina_File *file, const char *key EINA_UNUSED)
{
_mesh_fini(pd);
_mesh_init(pd);
if (file == NULL) return;
evas_common_load_model_from_eina_file(obj, file);
}
EOLIAN static Eina_Bool
_evas_3d_mesh_efl_file_file_set(Eo *obj, Evas_3D_Mesh_Data *pd,
const char *file,
const char *key EINA_UNUSED)
{
_mesh_fini(pd);
_mesh_init(pd);
if (file == NULL) return EINA_FALSE;
evas_common_load_model_from_file(obj, file);
return EINA_TRUE;
}
EOLIAN static Eina_Bool
_evas_3d_mesh_efl_file_save(Eo *obj, Evas_3D_Mesh_Data *pd,
const char *file,
const char *key EINA_UNUSED,
const char *flags EINA_UNUSED)
{
if ((file == NULL) || (obj == NULL) || (pd == NULL)) return EINA_FALSE;
Evas_3D_Mesh_Frame *f = evas_3d_mesh_frame_find(pd, 0);
if (f == NULL)
{
ERR("Not existing mesh frame.");
return EINA_FALSE;
}
evas_common_save_model_to_file(obj, file, f);
return EINA_TRUE;
}
static inline void
_mesh_frame_find(Evas_3D_Mesh_Data *mesh, int frame,
Eina_List **l, Eina_List **r)
{
Eina_List *left, *right;
Evas_3D_Mesh_Frame *f0 = NULL, *f1;
left = mesh->frames;
right = eina_list_next(left);
while (right)
{
f0 = (Evas_3D_Mesh_Frame *)eina_list_data_get(left);
f1 = (Evas_3D_Mesh_Frame *)eina_list_data_get(right);
if (frame >= f0->frame && frame <= f1->frame)
break;
left = right;
right = eina_list_next(left);
}
if (right == NULL)
{
if (f0 && frame <= f0->frame)
{
*l = NULL;
*r = left;
}
else
{
*l = left;
*r = NULL;
}
}
*l = left;
*r = right;
}
void
evas_3d_mesh_interpolate_vertex_buffer_get(Evas_3D_Mesh *mesh, int frame,
Evas_3D_Vertex_Attrib attrib,
Evas_3D_Vertex_Buffer *buf0,
Evas_3D_Vertex_Buffer *buf1,
Evas_Real *weight)
{
Eina_List *l, *r;
const Evas_3D_Mesh_Frame *f0 = NULL, *f1 = NULL;
Evas_3D_Mesh_Data *pd = eo_data_scope_get(mesh, MY_CLASS);
_mesh_frame_find(pd, frame, &l, &r);
while (l)
{
f0 = (const Evas_3D_Mesh_Frame *)eina_list_data_get(l);
if (f0->vertices[attrib].data != NULL)
break;
l = eina_list_prev(l);
f0 = NULL;
}
while (r)
{
f1 = (const Evas_3D_Mesh_Frame *)eina_list_data_get(r);
if (f1->vertices[attrib].data != NULL)
break;
r = eina_list_next(r);
f1 = NULL;
}
if (f0 == NULL && f1 == NULL)
return;
if (f0 == NULL)
{
f0 = f1;
}
else if (f1 != NULL)
{
if (frame == f0->frame)
{
f1 = NULL;
}
else if (frame == f1->frame)
{
f0 = f1;
f1 = NULL;
}
}
buf0->data = f0->vertices[attrib].data;
buf0->stride = f0->vertices[attrib].stride;
buf0->size = f0->vertices[attrib].size;
if (f1)
{
buf1->data = f1->vertices[attrib].data;
buf1->stride = f1->vertices[attrib].stride;
buf1->size = f1->vertices[attrib].size;
*weight = (f1->frame - frame) / (Evas_Real)(f1->frame - f0->frame);
}
else
{
buf1->data = NULL;
buf1->stride = 0;
buf1->size = 0;
*weight = 1.0;
}
}
EOLIAN static Eina_Bool
_evas_3d_mesh_color_pick_enable_get(Eo *obj EINA_UNUSED, Evas_3D_Mesh_Data *pd)
{
return pd->color_pick_enabled;
}
EOLIAN static void
_evas_3d_mesh_color_pick_enable_set(Eo *obj, Evas_3D_Mesh_Data *pd, Eina_Bool enabled)
{
if (pd->color_pick_enabled != enabled)
pd->color_pick_enabled = enabled;
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_MESH_COLOR_PICK, NULL));
}
#include "canvas/evas_3d_mesh.eo.c"
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