static float do_clump_level(float result[3], const float co[3], const float par_co[3], float time,
float clumpfac, float clumppow, float pa_clump, CurveMapping *clumpcurve)
{
float clump = 0.0f;
if (clumpcurve) {
clump = pa_clump * (1.0f - clamp_f(curvemapping_evaluateF(clumpcurve, 0, time), 0.0f, 1.0f));
interp_v3_v3v3(result, co, par_co, clump);
}
else if (clumpfac != 0.0f) {
float cpow;
if (clumppow < 0.0f)
cpow = 1.0f + clumppow;
else
cpow = 1.0f + 9.0f * clumppow;
if (clumpfac < 0.0f) /* clump roots instead of tips */
clump = -clumpfac * pa_clump * (float)pow(1.0 - (double)time, (double)cpow);
else
clump = clumpfac * pa_clump * (float)pow((double)time, (double)cpow);
interp_v3_v3v3(result, co, par_co, clump);
}
return clump;
}
void TimeNode::convertToOperations(NodeConverter &converter, const CompositorContext &context) const
{
SetValueOperation *operation = new SetValueOperation();
bNode *node = this->getbNode();
/* stack order output: fac */
float fac = 0.0f;
const int framenumber = context.getFramenumber();
if (framenumber < node->custom1) {
fac = 0.0f;
}
else if (framenumber > node->custom2) {
fac = 1.0f;
}
else if (node->custom1 < node->custom2) {
fac = (context.getFramenumber() - node->custom1) / (float)(node->custom2 - node->custom1);
}
curvemapping_initialize((CurveMapping *)node->storage);
fac = curvemapping_evaluateF((CurveMapping *)node->storage, 0, fac);
operation->setValue(clamp_f(fac, 0.0f, 1.0f));
converter.addOperation(operation);
converter.mapOutputSocket(getOutputSocket(0), operation->getOutputSocket());
}
void scrollbar_start_scrolling(ScrollBar *sb, int yco) {
int thumb_h_2= scrollbar_get_thumbH(sb)/2;
int thumbable_h= scrollbar_get_thumbableH(sb);
float npos= scrollbar_co_to_pos(sb, yco);
sb->scrolloffs= sb->thumbpos - npos;
if (fabs(sb->scrolloffs) >= (float) thumb_h_2/thumbable_h) {
sb->scrolloffs= 0.0;
}
sb->scrolling= 1;
sb->thumbpos= clamp_f(npos + sb->scrolloffs, 0.0, 1.0);
}
static int bpy_bmdeformvert_ass_subscript(BPy_BMDeformVert *self, PyObject *key, PyObject *value)
{
if (PyIndex_Check(key)) {
int i;
i = PyNumber_AsSsize_t(key, PyExc_IndexError);
if (i == -1 && PyErr_Occurred()) {
return -1;
}
if (value) {
/* dvert[group_index] = 0.5 */
if (i < 0) {
PyErr_SetString(PyExc_KeyError, "BMDeformVert[key] = x: "
"weight keys can't be negative");
return -1;
}
else {
MDeformWeight *dw = defvert_verify_index(self->data, i);
const float f = PyFloat_AsDouble(value);
if (f == -1 && PyErr_Occurred()) { // parsed key not a number
PyErr_SetString(PyExc_TypeError,
"BMDeformVert[key] = x: "
"assigned value not a number");
return -1;
}
dw->weight = clamp_f(f, 0.0f, 1.0f);
}
}
else {
/* del dvert[group_index] */
MDeformWeight *dw = defvert_find_index(self->data, i);
if (dw == NULL) {
PyErr_SetString(PyExc_KeyError, "del BMDeformVert[key]: "
"key not found");
}
defvert_remove_group(self->data, dw);
}
return 0;
}
else {
PyErr_Format(PyExc_TypeError,
"BMDeformVert keys must be integers, not %.200s",
Py_TYPE(key)->tp_name);
return -1;
}
}
static PyObject *bpy_bm_utils_vert_collapse_faces(PyObject *UNUSED(self), PyObject *args)
{
BPy_BMEdge *py_edge;
BPy_BMVert *py_vert;
float fac;
int do_join_faces;
BMesh *bm;
BMEdge *e_new = NULL;
if (!PyArg_ParseTuple(args, "O!O!fi:vert_collapse_faces",
&BPy_BMVert_Type, &py_vert,
&BPy_BMEdge_Type, &py_edge,
&fac, &do_join_faces))
{
return NULL;
}
BPY_BM_CHECK_OBJ(py_edge);
BPY_BM_CHECK_OBJ(py_vert);
/* this doubles for checking that the verts are in the same mesh */
if (!(py_edge->e->v1 == py_vert->v ||
py_edge->e->v2 == py_vert->v))
{
PyErr_SetString(PyExc_ValueError,
"vert_collapse_faces(vert, edge): the vertex is not found in the edge");
return NULL;
}
if (BM_vert_edge_count_is_over(py_vert->v, 2)) {
PyErr_SetString(PyExc_ValueError,
"vert_collapse_faces(vert, edge): vert has more than 2 connected edges");
return NULL;
}
bm = py_edge->bm;
e_new = BM_vert_collapse_faces(bm, py_edge->e, py_vert->v, clamp_f(fac, 0.0f, 1.0f), true, do_join_faces, true);
if (e_new) {
return BPy_BMEdge_CreatePyObject(bm, e_new);
}
else {
PyErr_SetString(PyExc_ValueError,
"vert_collapse_faces(vert, edge): no new edge created, internal error");
return NULL;
}
}
static float curvemapping_integrate_clamped(CurveMapping *curve,
float start, float end, float step)
{
float integral = 0.0f;
float x = start;
while (x < end) {
float y = curvemapping_evaluateF(curve, 0, x);
y = clamp_f(y, 0.0f, 1.0f);
/* TODO(sergey): Clamp last step to end. */
integral += y * step;
x += step;
}
return integral;
}
static PyObject *bpy_bm_utils_edge_split(PyObject *UNUSED(self), PyObject *args)
{
BPy_BMEdge *py_edge;
BPy_BMVert *py_vert;
float fac;
BMesh *bm;
BMVert *v_new = NULL;
BMEdge *e_new = NULL;
if (!PyArg_ParseTuple(args, "O!O!f:edge_split",
&BPy_BMEdge_Type, &py_edge,
&BPy_BMVert_Type, &py_vert,
&fac))
{
return NULL;
}
BPY_BM_CHECK_OBJ(py_edge);
BPY_BM_CHECK_OBJ(py_vert);
/* this doubles for checking that the verts are in the same mesh */
if (!(py_edge->e->v1 == py_vert->v ||
py_edge->e->v2 == py_vert->v))
{
PyErr_SetString(PyExc_ValueError,
"edge_split(edge, vert): the vertex is not found in the edge");
return NULL;
}
bm = py_edge->bm;
v_new = BM_edge_split(bm, py_edge->e, py_vert->v, &e_new, clamp_f(fac, 0.0f, 1.0f));
if (v_new && e_new) {
PyObject *ret = PyTuple_New(2);
PyTuple_SET_ITEMS(ret,
BPy_BMEdge_CreatePyObject(bm, e_new),
BPy_BMVert_CreatePyObject(bm, v_new));
return ret;
}
else {
PyErr_SetString(PyExc_ValueError,
"edge_split(edge, vert): couldn't split the edge, internal error");
return NULL;
}
}
static void do_rough_curve(const float loc[3], float mat[4][4], float time, float fac, float size, CurveMapping *roughcurve, ParticleKey *state)
{
float rough[3];
float rco[3];
if (!roughcurve)
return;
fac *= clamp_f(curvemapping_evaluateF(roughcurve, 0, time), 0.0f, 1.0f);
copy_v3_v3(rco, loc);
mul_v3_fl(rco, time);
rough[0] = -1.0f + 2.0f * BLI_gTurbulence(size, rco[0], rco[1], rco[2], 2, 0, 2);
rough[1] = -1.0f + 2.0f * BLI_gTurbulence(size, rco[1], rco[2], rco[0], 2, 0, 2);
rough[2] = -1.0f + 2.0f * BLI_gTurbulence(size, rco[2], rco[0], rco[1], 2, 0, 2);
madd_v3_v3fl(state->co, mat[0], fac * rough[0]);
madd_v3_v3fl(state->co, mat[1], fac * rough[1]);
madd_v3_v3fl(state->co, mat[2], fac * rough[2]);
}
void scrollbar_set_thumbpos(ScrollBar *sb, float pos) {
sb->thumbpos= clamp_f(pos, 0.0, 1.0);
}
void scrollbar_keep_scrolling(ScrollBar *sb, int yco) {
float npos= scrollbar_co_to_pos(sb, yco);
sb->thumbpos= clamp_f(npos + sb->scrolloffs, 0.0, 1.0);
}
// Process plugin - called when plugin is asked by ShaderMap to apply a filter to Map Pixels.
BOOL on_process(const process_data_s& data, BOOL* is_sRGB_out)
{
// Local structs
struct pixel_64_s
{ float c, a;
};
struct pixel_128_s
{ float r, g, b, a;
};
// Local data
float r, g, b, a;
unsigned int i, count_i, thread_limit, mask_width, mask_height;
BOOL is_use_mask, is_invert_mask;
unsigned short* mask_pixel_array, *local_mask_pixel_array;
pixel_64_s* pixel_array_64;
pixel_128_s* pixel_array_128;
// Set filter progress.
fp_set_filter_progress(data.map_id, data.filter_position, 0);
// -----------------
// Exit early if the map is a normal map - only want to work on color and grayscale images here.
if(data.is_normal_map && data.filter_position > 0)
{ *is_sRGB_out = data.is_sRGB;
fp_set_filter_progress(data.map_id, data.filter_position, 100);
return TRUE;
}
// -----------------
// Get Map thread limit from ShaderMap. Would use this if processing map in multiple threads.
// This filter does not use multithreading so this line is for demonstration only.
thread_limit = fp_get_map_thread_limit();
// -----------------
// Get property values - pay special attention to the property index requested.
// Converting red, green, blue, and alpha to floating points with range -1.0f to 1.0f.
r = fp_get_property_slider(data.map_id, data.filter_position, 0) / 100.0f;
g = fp_get_property_slider(data.map_id, data.filter_position, 1) / 100.0f;
b = fp_get_property_slider(data.map_id, data.filter_position, 2) / 100.0f;
a = fp_get_property_slider(data.map_id, data.filter_position, 3) / 100.0f;
// Don't forget to get the values from the auto added mask properties.
is_use_mask = fp_get_property_checkbox(data.map_id, data.filter_position, 4);
is_invert_mask = fp_get_property_checkbox(data.map_id, data.filter_position, 5);
// Exit early if nothing to do
if(r == 0 && g == 0 && b == 0 && a == 0)
{ *is_sRGB_out = data.is_sRGB;
fp_set_filter_progress(data.map_id, data.filter_position, 100);
return TRUE;
}
// -----------------
// The local dynamic pixel array we use to store mask pixels in.
local_mask_pixel_array = 0;
// Get mask data if enabled
if(is_use_mask)
{
// Get mask size and pixels from ShaderMap.
fp_get_map_mask(data.map_id, mask_width, mask_height, &mask_pixel_array);
// If no mask is set then disable mask usage.
if(!mask_pixel_array)
{ is_use_mask = FALSE;
}
else
{
// Create local copy of mask pixels.
local_mask_pixel_array = new (std::nothrow) unsigned short[mask_width * mask_height];
if(!local_mask_pixel_array)
{ LOG_ERROR_MSG(data.map_id, data.filter_position, _T("Memory Allocation Error: Failed to allocate local_mask_pixel_array."));
return FALSE;
}
memcpy(local_mask_pixel_array, mask_pixel_array, sizeof(unsigned short) * mask_width * mask_height);
// Resize the mask to the map size if not already the same size.
// Using a simple nearest neighbor scale.
if(mask_width != data.map_width || mask_height != data.map_height)
{
// Resize mask - local_mask_pixel_array is released by the function and a new array is allocated and returned with scaled pixels.
local_mask_pixel_array = resize_mask_pixels(local_mask_pixel_array, mask_width, mask_height, data.map_width, data.map_height);
if(!local_mask_pixel_array)
{ LOG_ERROR_MSG(data.map_id, data.filter_position, _T("Resize mask pixels failed. Most likely caused by a memory allocation error."));
return FALSE;
}
}
// Invert local (resized) mask if required.
if(is_invert_mask)
{
count_i = data.map_width * data.map_height;
for(i=0; i<count_i; i++)
{ local_mask_pixel_array[i] = USHRT_MAX - local_mask_pixel_array[i];
}
}
}
}
// -----------------
// Check for cancel.
if(fp_is_cancel_process())
{ if(local_mask_pixel_array)
{ delete [] local_mask_pixel_array;
}
return FALSE;
}
// -----------------
// If map is grayscale
if(data.is_grayscale)
{
// Cast the map pixel array to pixel_64_s.
pixel_array_64 = (pixel_64_s*)data.map_pixel_data;
// If using mask
if(is_use_mask && local_mask_pixel_array)
{
// For every map pixel
count_i = data.map_width * data.map_height;
for(i=0; i<count_i; i++)
{
// Add the channel modifiers to each channel - use red for grayscale color.
// Multiply the channel modifier by the mask pixel converted to scalar.
// Clamp to range 0.0f to 1.0f.
pixel_array_64[i].c = clamp_f(pixel_array_64[i].c + (r * (local_mask_pixel_array[i] / (float)USHRT_MAX)));
pixel_array_64[i].a = clamp_f(pixel_array_64[i].a + (a * (local_mask_pixel_array[i] / (float)USHRT_MAX)));
}
}
// Else no mask
else
{
// For every map pixel
count_i = data.map_width * data.map_height;
for(i=0; i<count_i; i++)
{
// Add the channel modifiers to each channel - use red for grayscale color.
// Clamp to range 0.0f to 1.0f.
pixel_array_64[i].c = clamp_f(pixel_array_64[i].c + r);
pixel_array_64[i].a = clamp_f(pixel_array_64[i].a + a);
}
}
}
// Else map is RGBA
else
{
// Cast the map pixel array to pixel_128_s.
pixel_array_128 = (pixel_128_s*)data.map_pixel_data;
// If using mask
if(is_use_mask && local_mask_pixel_array)
{
// For every map pixel
count_i = data.map_width * data.map_height;
for(i=0; i<count_i; i++)
{
// Add the channel modifiers to each channel.
// Multiply the channel modifier by the mask pixel converted to scalar.
// Clamp to range 0.0f to 1.0f.
pixel_array_128[i].r = clamp_f(pixel_array_128[i].r + (r * (local_mask_pixel_array[i] / (float)USHRT_MAX)));
pixel_array_128[i].g = clamp_f(pixel_array_128[i].g + (g * (local_mask_pixel_array[i] / (float)USHRT_MAX)));
pixel_array_128[i].b = clamp_f(pixel_array_128[i].b + (b * (local_mask_pixel_array[i] / (float)USHRT_MAX)));
pixel_array_128[i].a = clamp_f(pixel_array_128[i].a + (a * (local_mask_pixel_array[i] / (float)USHRT_MAX)));
}
}
// Else no mask
else
{
// For every map pixel
count_i = data.map_width * data.map_height;
for(i=0; i<count_i; i++)
{
// Add the channel modifiers to each channel.
// Clamp to range 0.0f to 1.0f.
pixel_array_128[i].r = clamp_f(pixel_array_128[i].r + r);
pixel_array_128[i].g = clamp_f(pixel_array_128[i].g + g);
pixel_array_128[i].b = clamp_f(pixel_array_128[i].b + b);
pixel_array_128[i].a = clamp_f(pixel_array_128[i].a + a);
}
}
}
// -----------------
// Check for cancel.
if(fp_is_cancel_process())
{ if(local_mask_pixel_array)
{ delete [] local_mask_pixel_array;
}
return FALSE;
}
// -----------------
// Set the output parameter of the color space the pixels are in. It was not chaged.
*is_sRGB_out = data.is_sRGB;
// -----------------
// Set progress
fp_set_filter_progress(data.map_id, data.filter_position, 100);
return TRUE;
}
int BPy_BMLayerItem_SetItem(BPy_BMElem *py_ele, BPy_BMLayerItem *py_layer, PyObject *py_value)
{
int ret = 0;
void *value = bpy_bmlayeritem_ptr_get(py_ele, py_layer);
if (UNLIKELY(value == NULL)) {
return -1;
}
switch (py_layer->type) {
case CD_MDEFORMVERT:
{
ret = BPy_BMDeformVert_AssignPyObject(value, py_value);
break;
}
case CD_PROP_FLT:
case CD_PAINT_MASK:
{
float tmp_val = PyFloat_AsDouble(py_value);
if (UNLIKELY(tmp_val == -1 && PyErr_Occurred())) {
PyErr_Format(PyExc_TypeError, "expected a float, not a %.200s", Py_TYPE(py_value)->tp_name);
ret = -1;
}
else {
*(float *)value = tmp_val;
}
break;
}
case CD_PROP_INT:
{
int tmp_val = PyC_Long_AsI32(py_value);
if (UNLIKELY(tmp_val == -1 && PyErr_Occurred())) {
/* error is set */
ret = -1;
}
else {
*(int *)value = tmp_val;
}
break;
}
case CD_PROP_STR:
{
MStringProperty *mstring = value;
char *tmp_val;
Py_ssize_t tmp_val_len;
if (UNLIKELY(PyBytes_AsStringAndSize(py_value, &tmp_val, &tmp_val_len) == -1)) {
PyErr_Format(PyExc_TypeError, "expected bytes, not a %.200s", Py_TYPE(py_value)->tp_name);
ret = -1;
}
else {
if (tmp_val_len > sizeof(mstring->s))
tmp_val_len = sizeof(mstring->s);
memcpy(mstring->s, tmp_val, tmp_val_len);
mstring->s_len = tmp_val_len;
}
break;
}
case CD_MTEXPOLY:
{
ret = BPy_BMTexPoly_AssignPyObject(value, py_value);
break;
}
case CD_MLOOPUV:
{
ret = BPy_BMLoopUV_AssignPyObject(value, py_value);
break;
}
case CD_MLOOPCOL:
{
ret = BPy_BMLoopColor_AssignPyObject(value, py_value);
break;
}
case CD_SHAPEKEY:
{
float tmp_val[3];
if (UNLIKELY(mathutils_array_parse(tmp_val, 3, 3, py_value, "BMVert[shape] = value") == -1)) {
ret = -1;
}
else {
copy_v3_v3((float *)value, tmp_val);
}
break;
}
case CD_BWEIGHT:
{
float tmp_val = PyFloat_AsDouble(py_value);
if (UNLIKELY(tmp_val == -1 && PyErr_Occurred())) {
PyErr_Format(PyExc_TypeError, "expected a float, not a %.200s", Py_TYPE(py_value)->tp_name);
ret = -1;
}
else {
*(float *)value = clamp_f(tmp_val, 0.0f, 1.0f);
}
break;
}
case CD_CREASE:
{
float tmp_val = PyFloat_AsDouble(py_value);
if (UNLIKELY(tmp_val == -1 && PyErr_Occurred())) {
PyErr_Format(PyExc_TypeError, "expected a float, not a %.200s", Py_TYPE(py_value)->tp_name);
ret = -1;
}
else {
*(float *)value = clamp_f(tmp_val, 0.0f, 1.0f);
}
break;
}
case CD_MVERT_SKIN:
{
ret = BPy_BMVertSkin_AssignPyObject(value, py_value);
break;
}
default:
{
PyErr_SetString(PyExc_AttributeError, "readonly / unsupported type");
ret = -1;
break;
}
}
return ret;
}