198 lines
		
	
	
		
			7.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			198 lines
		
	
	
		
			7.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
 | |
|  * This program is free software; you can redistribute it and/or
 | |
|  * modify it under the terms of the GNU General Public License
 | |
|  * as published by the Free Software Foundation; either version 2
 | |
|  * of the License, or (at your option) any later version.
 | |
|  *
 | |
|  * This program is distributed in the hope that it will be useful,
 | |
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | |
|  * GNU General Public License for more details.
 | |
|  *
 | |
|  * You should have received a copy of the GNU General Public License
 | |
|  * along with this program; if not, write to the Free Software Foundation,
 | |
|  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 | |
|  */
 | |
| 
 | |
| #pragma once
 | |
| 
 | |
| /** \file
 | |
|  * \ingroup pymathutils
 | |
|  */
 | |
| 
 | |
| /* Can cast different mathutils types to this, use for generic funcs */
 | |
| 
 | |
| #include "BLI_compiler_attrs.h"
 | |
| 
 | |
| struct DynStr;
 | |
| 
 | |
| extern char BaseMathObject_is_wrapped_doc[];
 | |
| extern char BaseMathObject_is_frozen_doc[];
 | |
| extern char BaseMathObject_owner_doc[];
 | |
| 
 | |
| #define BASE_MATH_NEW(struct_name, root_type, base_type) \
 | |
|   ((struct_name *)((base_type ? (base_type)->tp_alloc(base_type, 0) : \
 | |
|                                 _PyObject_GC_New(&(root_type)))))
 | |
| 
 | |
| /** BaseMathObject.flag */
 | |
| enum {
 | |
|   /**
 | |
|    * Do not own the memory used in this vector,
 | |
|    * \note This is error prone if the memory may be freed while this vector is in use.
 | |
|    * Prefer using callbacks where possible, see: #Mathutils_RegisterCallback
 | |
|    */
 | |
|   BASE_MATH_FLAG_IS_WRAP = (1 << 0),
 | |
|   /**
 | |
|    * Prevent changes to the vector so it can be used as a set or dictionary key for example.
 | |
|    * (typical use cases for tuple).
 | |
|    */
 | |
|   BASE_MATH_FLAG_IS_FROZEN = (1 << 1),
 | |
| };
 | |
| #define BASE_MATH_FLAG_DEFAULT 0
 | |
| 
 | |
| #define BASE_MATH_MEMBERS(_data) \
 | |
|   /** Array of data (alias), wrapped status depends on wrapped status. */ \
 | |
|   PyObject_VAR_HEAD \
 | |
|   float *_data; \
 | |
|   /** If this vector references another object, otherwise NULL, *Note* this owns its reference */ \
 | |
|   PyObject *cb_user; \
 | |
|   /** Which user funcs do we adhere to, RNA, etc */ \
 | |
|   unsigned char cb_type; \
 | |
|   /** Subtype: location, rotation... \
 | |
|    * to avoid defining many new functions for every attribute of the same type */ \
 | |
|   unsigned char cb_subtype; \
 | |
|   /** Wrapped data type. */ \
 | |
|   unsigned char flag
 | |
| 
 | |
| typedef struct {
 | |
|   BASE_MATH_MEMBERS(data);
 | |
| } BaseMathObject;
 | |
| 
 | |
| /* types */
 | |
| #include "mathutils_Color.h"
 | |
| #include "mathutils_Euler.h"
 | |
| #include "mathutils_Matrix.h"
 | |
| #include "mathutils_Quaternion.h"
 | |
| #include "mathutils_Vector.h"
 | |
| 
 | |
| /* avoid checking all types */
 | |
| #define BaseMathObject_CheckExact(v) (Py_TYPE(v)->tp_dealloc == (destructor)BaseMathObject_dealloc)
 | |
| 
 | |
| PyObject *BaseMathObject_owner_get(BaseMathObject *self, void *);
 | |
| PyObject *BaseMathObject_is_wrapped_get(BaseMathObject *self, void *);
 | |
| PyObject *BaseMathObject_is_frozen_get(BaseMathObject *self, void *);
 | |
| 
 | |
| extern char BaseMathObject_freeze_doc[];
 | |
| PyObject *BaseMathObject_freeze(BaseMathObject *self);
 | |
| 
 | |
| int BaseMathObject_traverse(BaseMathObject *self, visitproc visit, void *arg);
 | |
| int BaseMathObject_clear(BaseMathObject *self);
 | |
| void BaseMathObject_dealloc(BaseMathObject *self);
 | |
| 
 | |
| PyMODINIT_FUNC PyInit_mathutils(void);
 | |
| 
 | |
| int EXPP_FloatsAreEqual(float A, float B, int maxDiff);
 | |
| int EXPP_VectorsAreEqual(const float *vecA, const float *vecB, int size, int floatSteps);
 | |
| 
 | |
| typedef struct Mathutils_Callback Mathutils_Callback;
 | |
| 
 | |
| /** Checks the user is still valid. */
 | |
| typedef int (*BaseMathCheckFunc)(BaseMathObject *);
 | |
| /** Gets the vector from the user. */
 | |
| typedef int (*BaseMathGetFunc)(BaseMathObject *, int);
 | |
| /** Sets the users vector values once its modified. */
 | |
| typedef int (*BaseMathSetFunc)(BaseMathObject *, int);
 | |
| /** Same as above but only for an index. */
 | |
| typedef int (*BaseMathGetIndexFunc)(BaseMathObject *, int, int);
 | |
| /** Same as above but only for an index. */
 | |
| typedef int (*BaseMathSetIndexFunc)(BaseMathObject *, int, int);
 | |
| 
 | |
| struct Mathutils_Callback {
 | |
|   BaseMathCheckFunc check;
 | |
|   BaseMathGetFunc get;
 | |
|   BaseMathSetFunc set;
 | |
|   BaseMathGetIndexFunc get_index;
 | |
|   BaseMathSetIndexFunc set_index;
 | |
| };
 | |
| 
 | |
| unsigned char Mathutils_RegisterCallback(Mathutils_Callback *cb);
 | |
| 
 | |
| int _BaseMathObject_ReadCallback(BaseMathObject *self);
 | |
| int _BaseMathObject_WriteCallback(BaseMathObject *self);
 | |
| int _BaseMathObject_ReadIndexCallback(BaseMathObject *self, int index);
 | |
| int _BaseMathObject_WriteIndexCallback(BaseMathObject *self, int index);
 | |
| 
 | |
| void _BaseMathObject_RaiseFrozenExc(const BaseMathObject *self);
 | |
| void _BaseMathObject_RaiseNotFrozenExc(const BaseMathObject *self);
 | |
| 
 | |
| /* since this is called so often avoid where possible */
 | |
| #define BaseMath_ReadCallback(_self) \
 | |
|   (((_self)->cb_user ? _BaseMathObject_ReadCallback((BaseMathObject *)_self) : 0))
 | |
| #define BaseMath_WriteCallback(_self) \
 | |
|   (((_self)->cb_user ? _BaseMathObject_WriteCallback((BaseMathObject *)_self) : 0))
 | |
| #define BaseMath_ReadIndexCallback(_self, _index) \
 | |
|   (((_self)->cb_user ? _BaseMathObject_ReadIndexCallback((BaseMathObject *)_self, _index) : 0))
 | |
| #define BaseMath_WriteIndexCallback(_self, _index) \
 | |
|   (((_self)->cb_user ? _BaseMathObject_WriteIndexCallback((BaseMathObject *)_self, _index) : 0))
 | |
| 
 | |
| /* support BASE_MATH_FLAG_IS_FROZEN */
 | |
| #define BaseMath_ReadCallback_ForWrite(_self) \
 | |
|   (UNLIKELY((_self)->flag & BASE_MATH_FLAG_IS_FROZEN) ? \
 | |
|        (_BaseMathObject_RaiseFrozenExc((BaseMathObject *)_self), -1) : \
 | |
|        (BaseMath_ReadCallback(_self)))
 | |
| 
 | |
| #define BaseMath_ReadIndexCallback_ForWrite(_self, _index) \
 | |
|   (UNLIKELY((_self)->flag & BASE_MATH_FLAG_IS_FROZEN) ? \
 | |
|        (_BaseMathObject_RaiseFrozenExc((BaseMathObject *)_self), -1) : \
 | |
|        (BaseMath_ReadIndexCallback(_self, _index)))
 | |
| 
 | |
| #define BaseMath_Prepare_ForWrite(_self) \
 | |
|   (UNLIKELY((_self)->flag & BASE_MATH_FLAG_IS_FROZEN) ? \
 | |
|        (_BaseMathObject_RaiseFrozenExc((BaseMathObject *)_self), -1) : \
 | |
|        0)
 | |
| 
 | |
| #define BaseMathObject_Prepare_ForHash(_self) \
 | |
|   (UNLIKELY(((_self)->flag & BASE_MATH_FLAG_IS_FROZEN) == 0) ? \
 | |
|        (_BaseMathObject_RaiseNotFrozenExc((BaseMathObject *)_self), -1) : \
 | |
|        0)
 | |
| 
 | |
| /* utility func */
 | |
| int mathutils_array_parse(
 | |
|     float *array, int array_min, int array_max, PyObject *value, const char *error_prefix);
 | |
| int mathutils_array_parse_alloc(float **array,
 | |
|                                 int array_min,
 | |
|                                 PyObject *value,
 | |
|                                 const char *error_prefix);
 | |
| int mathutils_array_parse_alloc_v(float **array,
 | |
|                                   int array_dim,
 | |
|                                   PyObject *value,
 | |
|                                   const char *error_prefix);
 | |
| int mathutils_int_array_parse(int *array,
 | |
|                               int array_dim,
 | |
|                               PyObject *value,
 | |
|                               const char *error_prefix);
 | |
| int mathutils_array_parse_alloc_vi(int **array,
 | |
|                                    int array_dim,
 | |
|                                    PyObject *value,
 | |
|                                    const char *error_prefix);
 | |
| int mathutils_array_parse_alloc_viseq(
 | |
|     int **array, int **start_table, int **len_table, PyObject *value, const char *error_prefix);
 | |
| int mathutils_any_to_rotmat(float rmat[3][3], PyObject *value, const char *error_prefix);
 | |
| 
 | |
| Py_hash_t mathutils_array_hash(const float *float_array, size_t array_len);
 | |
| 
 | |
| /* zero remaining unused elements of the array */
 | |
| #define MU_ARRAY_ZERO (1u << 30)
 | |
| /* ignore larger py sequences than requested (just use first elements),
 | |
|  * handy when using 3d vectors as 2d */
 | |
| #define MU_ARRAY_SPILL (1u << 31)
 | |
| 
 | |
| #define MU_ARRAY_FLAGS (MU_ARRAY_ZERO | MU_ARRAY_SPILL)
 | |
| 
 | |
| int column_vector_multiplication(float r_vec[4], VectorObject *vec, MatrixObject *mat);
 | |
| 
 | |
| #ifndef MATH_STANDALONE
 | |
| /* dynstr as python string utility functions */
 | |
| PyObject *mathutils_dynstr_to_py(struct DynStr *ds);
 | |
| #endif
 |