[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [26430] trunk/blender: utility functions is_negative_m3 & is_negative_m4, added python Mathutils access Matrix.is_negative
Campbell Barton
ideasman42 at gmail.com
Sat Jan 30 14:15:39 CET 2010
Revision: 26430
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=26430
Author: campbellbarton
Date: 2010-01-30 14:15:39 +0100 (Sat, 30 Jan 2010)
Log Message:
-----------
utility functions is_negative_m3 & is_negative_m4, added python Mathutils access Matrix.is_negative
renamed Mathutils attribute wrapped -> is_wrapped
Modified Paths:
--------------
trunk/blender/release/scripts/modules/bpy/app.py
trunk/blender/source/blender/blenkernel/intern/object.c
trunk/blender/source/blender/blenlib/BLI_math_matrix.h
trunk/blender/source/blender/blenlib/intern/math_matrix.c
trunk/blender/source/blender/python/generic/euler.c
trunk/blender/source/blender/python/generic/matrix.c
trunk/blender/source/blender/python/generic/quat.c
trunk/blender/source/blender/python/generic/vector.c
trunk/blender/source/blender/python/intern/bpy_interface.c
trunk/blender/source/blender/python/intern/bpy_rna.c
Modified: trunk/blender/release/scripts/modules/bpy/app.py
===================================================================
--- trunk/blender/release/scripts/modules/bpy/app.py 2010-01-30 12:01:44 UTC (rev 26429)
+++ trunk/blender/release/scripts/modules/bpy/app.py 2010-01-30 13:15:39 UTC (rev 26430)
@@ -45,9 +45,8 @@
"""
# constants
import _bpy
-import sys as _sys
version = _bpy._VERSION
version_string = _bpy._VERSION_STR
home = _bpy._HOME
binary_path = _bpy._BINPATH
-debug = ("-d" in _sys.argv)
+debug = _bpy._DEBUG
Modified: trunk/blender/source/blender/blenkernel/intern/object.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/object.c 2010-01-30 12:01:44 UTC (rev 26429)
+++ trunk/blender/source/blender/blenkernel/intern/object.c 2010-01-30 13:15:39 UTC (rev 26430)
@@ -1980,7 +1980,7 @@
void where_is_object_time(Scene *scene, Object *ob, float ctime)
{
float *fp1, *fp2, slowmat[4][4] = MAT4_UNITY;
- float stime=ctime, fac1, fac2, vec[3];
+ float stime=ctime, fac1, fac2;
int a;
/* new version: correct parent+vertexparent and track+parent */
@@ -2050,9 +2050,8 @@
}
/* set negative scale flag in object */
- cross_v3_v3v3(vec, ob->obmat[0], ob->obmat[1]);
- if( dot_v3v3(vec, ob->obmat[2]) < 0.0 ) ob->transflag |= OB_NEG_SCALE;
- else ob->transflag &= ~OB_NEG_SCALE;
+ if(is_negative_m4(ob->obmat)) ob->transflag |= OB_NEG_SCALE;
+ else ob->transflag &= ~OB_NEG_SCALE;
}
static void solve_parenting (Scene *scene, Object *ob, Object *par, float obmat[][4], float slowmat[][4], int simul)
Modified: trunk/blender/source/blender/blenlib/BLI_math_matrix.h
===================================================================
--- trunk/blender/source/blender/blenlib/BLI_math_matrix.h 2010-01-30 12:01:44 UTC (rev 26429)
+++ trunk/blender/source/blender/blenlib/BLI_math_matrix.h 2010-01-30 13:15:39 UTC (rev 26430)
@@ -148,6 +148,9 @@
void blend_m3_m3m3(float R[3][3], float A[3][3], float B[3][3], float t);
void blend_m4_m4m4(float R[4][4], float A[4][4], float B[4][4], float t);
+int is_negative_m3(float mat[3][3]);
+int is_negative_m4(float mat[4][4]);
+
/*********************************** Other ***********************************/
void print_m3(char *str, float M[3][3]);
Modified: trunk/blender/source/blender/blenlib/intern/math_matrix.c
===================================================================
--- trunk/blender/source/blender/blenlib/intern/math_matrix.c 2010-01-30 12:01:44 UTC (rev 26429)
+++ trunk/blender/source/blender/blenlib/intern/math_matrix.c 2010-01-30 13:15:39 UTC (rev 26430)
@@ -1037,6 +1037,21 @@
loc_quat_size_to_mat4(out, floc, fquat, fsize);
}
+
+int is_negative_m3(float mat[][3])
+{
+ float vec[3];
+ cross_v3_v3v3(vec, mat[0], mat[1]);
+ return (dot_v3v3(vec, mat[2]) < 0.0f);
+}
+
+int is_negative_m4(float mat[][4])
+{
+ float vec[3];
+ cross_v3_v3v3(vec, mat[0], mat[1]);
+ return (dot_v3v3(vec, mat[2]) < 0.0f);
+}
+
/* make a 4x4 matrix out of 3 transform components */
/* matrices are made in the order: scale * rot * loc */
// TODO: need to have a version that allows for rotation order...
@@ -1128,4 +1143,3 @@
printf("%f %f %f %f\n",m[0][3],m[1][3],m[2][3],m[3][3]);
printf("\n");
}
-
Modified: trunk/blender/source/blender/python/generic/euler.c
===================================================================
--- trunk/blender/source/blender/python/generic/euler.c 2010-01-30 12:01:44 UTC (rev 26429)
+++ trunk/blender/source/blender/python/generic/euler.c 2010-01-30 13:15:39 UTC (rev 26430)
@@ -571,7 +571,7 @@
{"y", (getter)Euler_getAxis, (setter)Euler_setAxis, "Euler Y axis in radians. **type** float", (void *)1},
{"z", (getter)Euler_getAxis, (setter)Euler_setAxis, "Euler Z axis in radians. **type** float", (void *)2},
- {"wrapped", (getter)BaseMathObject_getWrapped, (setter)NULL, BaseMathObject_Wrapped_doc, NULL},
+ {"is_wrapped", (getter)BaseMathObject_getWrapped, (setter)NULL, BaseMathObject_Wrapped_doc, NULL},
{"_owner", (getter)BaseMathObject_getOwner, (setter)NULL, BaseMathObject_Owner_doc, NULL},
{NULL,NULL,NULL,NULL,NULL} /* Sentinel */
};
Modified: trunk/blender/source/blender/python/generic/matrix.c
===================================================================
--- trunk/blender/source/blender/python/generic/matrix.c 2010-01-30 12:01:44 UTC (rev 26429)
+++ trunk/blender/source/blender/python/generic/matrix.c 2010-01-30 13:15:39 UTC (rev 26430)
@@ -1231,14 +1231,34 @@
return PyFloat_FromDouble(mat3_to_scale(mat));
}
+static PyObject *Matrix_getIsNegative( MatrixObject * self, void *type )
+{
+ float vec[3];
+
+ if(!BaseMath_ReadCallback(self))
+ return NULL;
+
+ /*must be 3-4 cols, 3-4 rows, square matrix*/
+ if(self->colSize == 4 && self->rowSize == 4)
+ return PyBool_FromLong(is_negative_m4((float (*)[4])*self->matrix));
+ else if(self->colSize == 3 && self->rowSize == 3)
+ return PyBool_FromLong(is_negative_m3((float (*)[3])*self->matrix));
+ else {
+ PyErr_SetString(PyExc_AttributeError, "Matrix.is_negative: inappropriate matrix size - expects 3x3 or 4x4 matrix\n");
+ return NULL;
+ }
+}
+
+
/*****************************************************************************/
/* Python attributes get/set structure: */
/*****************************************************************************/
static PyGetSetDef Matrix_getseters[] = {
{"row_size", (getter)Matrix_getRowSize, (setter)NULL, "The row size of the matrix (readonly). **type** int", NULL},
{"col_size", (getter)Matrix_getColSize, (setter)NULL, "The column size of the matrix (readonly). **type** int", NULL},
- {"median_scale", (getter)Matrix_getMedianScale, (setter)NULL, "The average scale applied to each axis (readonly). **type** float", NULL},
- {"wrapped", (getter)BaseMathObject_getWrapped, (setter)NULL, BaseMathObject_Wrapped_doc, NULL},
+ {"median_scale", (getter)Matrix_getMedianScale, (setter)NULL, "The average scale applied to each axis (readonly). **type** float", NULL},
+ {"is_negative", (getter)Matrix_getIsNegative, (setter)NULL, "True if this matrix results in a negative scale, (3x3, 4x4 only) (readonly). **type** bool", NULL},
+ {"is_wrapped", (getter)BaseMathObject_getWrapped, (setter)NULL, BaseMathObject_Wrapped_doc, NULL},
{"_owner",(getter)BaseMathObject_getOwner, (setter)NULL, BaseMathObject_Owner_doc, NULL},
{NULL,NULL,NULL,NULL,NULL} /* Sentinel */
};
Modified: trunk/blender/source/blender/python/generic/quat.c
===================================================================
--- trunk/blender/source/blender/python/generic/quat.c 2010-01-30 12:01:44 UTC (rev 26429)
+++ trunk/blender/source/blender/python/generic/quat.c 2010-01-30 13:15:39 UTC (rev 26430)
@@ -854,7 +854,7 @@
{"magnitude", (getter)Quaternion_getMagnitude, (setter)NULL, "Size of the quaternion (readonly). **type** float", NULL},
{"angle", (getter)Quaternion_getAngle, (setter)NULL, "angle of the quaternion (readonly). **type** float", NULL},
{"axis",(getter)Quaternion_getAxisVec, (setter)NULL, "quaternion axis as a vector (readonly). **type** :class:`Vector`", NULL},
- {"wrapped", (getter)BaseMathObject_getWrapped, (setter)NULL, BaseMathObject_Wrapped_doc, NULL},
+ {"is_wrapped", (getter)BaseMathObject_getWrapped, (setter)NULL, BaseMathObject_Wrapped_doc, NULL},
{"_owner", (getter)BaseMathObject_getOwner, (setter)NULL, BaseMathObject_Owner_doc, NULL},
{NULL,NULL,NULL,NULL,NULL} /* Sentinel */
};
Modified: trunk/blender/source/blender/python/generic/vector.c
===================================================================
--- trunk/blender/source/blender/python/generic/vector.c 2010-01-30 12:01:44 UTC (rev 26429)
+++ trunk/blender/source/blender/python/generic/vector.c 2010-01-30 13:15:39 UTC (rev 26430)
@@ -1635,7 +1635,7 @@
{"w", (getter)Vector_getAxis, (setter)Vector_setAxis, "Vector W axis (4D Vectors only). **type** float", (void *)3},
{"length", (getter)Vector_getLength, (setter)Vector_setLength, "Vector Length. **type** float", NULL},
{"magnitude", (getter)Vector_getLength, (setter)Vector_setLength, "Vector Length. **type** float", NULL},
- {"wrapped", (getter)BaseMathObject_getWrapped, (setter)NULL, BaseMathObject_Wrapped_doc, NULL},
+ {"is_wrapped", (getter)BaseMathObject_getWrapped, (setter)NULL, BaseMathObject_Wrapped_doc, NULL},
{"_owner", (getter)BaseMathObject_getOwner, (setter)NULL, BaseMathObject_Owner_doc, NULL},
/* autogenerated swizzle attrs, see python script below */
Modified: trunk/blender/source/blender/python/intern/bpy_interface.c
===================================================================
--- trunk/blender/source/blender/python/intern/bpy_interface.c 2010-01-30 12:01:44 UTC (rev 26429)
+++ trunk/blender/source/blender/python/intern/bpy_interface.c 2010-01-30 13:15:39 UTC (rev 26430)
@@ -235,6 +235,7 @@
sprintf(tmpstr, "%d.%02d (sub %d)", BLENDER_VERSION/100, BLENDER_VERSION%100, BLENDER_SUBVERSION);
PyModule_AddStringConstant(mod, "_VERSION_STR", tmpstr);
PyModule_AddStringConstant(mod, "_BINPATH", bprogname);
+ PyModule_AddIntConstant(mod, "_DEBUG", G.f & G_DEBUG ? 1:0);
}
/* add our own modules dir, this is a python package */
Modified: trunk/blender/source/blender/python/intern/bpy_rna.c
===================================================================
--- trunk/blender/source/blender/python/intern/bpy_rna.c 2010-01-30 12:01:44 UTC (rev 26429)
+++ trunk/blender/source/blender/python/intern/bpy_rna.c 2010-01-30 13:15:39 UTC (rev 26430)
@@ -3575,11 +3575,12 @@
}
self= (BPy_BaseTypeRNA *)PyObject_NEW( BPy_BaseTypeRNA, &pyrna_basetype_Type );
-
+ self->arraydim = self->arrayoffset = 0; /* unused but better set */
+
/* avoid doing this lookup for every getattr */
RNA_blender_rna_pointer_create(&self->ptr);
self->prop = RNA_struct_find_property(&self->ptr, "structs");
-
+
return (PyObject *)self;
}
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