Mercurial > mm7
annotate VectorTypes.cpp @ 2495:7b076fe64f23
GetItemTextureFilename fix
| author | Ritor1 |
|---|---|
| date | Wed, 17 Sep 2014 17:35:13 +0600 |
| parents | 104fdbea0386 |
| children |
| rev | line source |
|---|---|
| 2415 | 1 #define _CRTDBG_MAP_ALLOC |
| 2 #include <stdlib.h> | |
| 3 #include <crtdbg.h> | |
| 4 | |
|
2253
aff7a7b072b7
adding _CRT_SECURE_NO_WARNINGS to get rid of a few hundrer annoying warnings + adding count parameter to swprintf
Grumpy7
parents:
2152
diff
changeset
|
5 #define _CRT_SECURE_NO_WARNINGS |
| 1513 | 6 #include <utility> |
| 7 | |
| 1504 | 8 #include "mm7_data.h" |
|
2037
7a9477135943
Renamed Math.h -> OurMath.h (file resolution was sometimes ambiguous)
Nomad
parents:
1528
diff
changeset
|
9 #include "OurMath.h" |
| 1504 | 10 |
| 1513 | 11 //----- (004621DA) -------------------------------------------------------- |
| 12 uint32_t int_get_vector_length(int32_t x, int32_t y, int32_t z) | |
| 13 { | |
| 14 if (x < y) | |
| 15 { | |
| 16 std::swap(x, y); | |
| 17 } | |
| 18 if (x < z) | |
| 19 { | |
| 20 std::swap(x, z); | |
| 21 } | |
| 22 if (y < z) | |
| 23 { | |
| 24 std::swap(y, z); | |
| 25 } | |
| 26 | |
| 27 return x + (11 * y >> 5) + (z >> 2); | |
| 28 } | |
| 29 | |
| 1504 | 30 //----- (0044C362) -------------------------------------------------------- |
| 1513 | 31 template <class T> |
| 32 void Vec3<T>::Normalize_float() | |
| 1504 | 33 { |
| 1528 | 34 double x = this->x; |
| 35 double y = this->y; | |
| 36 double z = this->z; | |
| 37 double s = sqrt(x * x + y * y + z * z); | |
| 1504 | 38 |
| 1528 | 39 this->x = bankersRounding(x / s); |
| 40 this->y = bankersRounding(y / s); | |
| 41 this->z = bankersRounding(z / s); | |
| 1504 | 42 } |
| 43 | |
| 44 //----- (0043AA99) -------------------------------------------------------- | |
| 1513 | 45 template <class T> |
| 46 void __fastcall Vec3<T>::Rotate(T sDepth, T sRotY, T sRotX, Vec3<T> v, T *outx, T *outy, T *outz) | |
| 1504 | 47 { |
| 48 float cosf_x = cosf(3.14159265f * sRotX / 1024.0f), | |
| 49 sinf_x = sinf(3.14159265f * sRotX / 1024.0f), | |
| 50 cosf_y = cosf(3.14159265f * sRotY / 1024.0f), | |
| 51 sinf_y = sinf(3.14159265f * sRotY / 1024.0f); | |
| 52 | |
| 53 *outx = v.x + ((unsigned __int64)(sinf_y * (signed __int64)((unsigned __int64)(cosf_x * (signed __int64)sDepth)>> 16))); | |
| 54 *outy = v.y + ((unsigned __int64)(cosf_y * (signed __int64)((unsigned __int64)(cosf_x * (signed __int64)sDepth)>> 16))); | |
| 55 *outz = v.z + ((unsigned __int64)(sinf_x * (signed __int64)sDepth) >> 16); | |
| 56 } | |
| 57 | |
| 58 //----- (0043AB61) -------------------------------------------------------- | |
| 1513 | 59 template <class T> |
| 60 void Vec3<T>::Normalize(T *x, T *y, T *z) | |
| 1504 | 61 { |
| 2152 | 62 extern int integer_sqrt(int val); |
| 1504 | 63 *x *= 65536 / (integer_sqrt(*y * *y + *z * *z + *x * *x) | 1); |
| 64 *y *= 65536 / (integer_sqrt(*y * *y + *z * *z + *x * *x) | 1); | |
| 65 *z *= 65536 / (integer_sqrt(*y * *y + *z * *z + *x * *x) | 1); | |
| 66 } | |
| 1513 | 67 |
| 68 template Vec3<int32_t>; | |
| 2464 | 69 |
| 70 //----- (004369DB) -------------------------------------------------------- | |
| 71 void Vec3_float_::Normalize() | |
| 72 { | |
| 73 this->x = (1.0 / sqrt(this->x * this->x + this->y * this->y + this->z * this->z)) * this->x; | |
| 74 this->y = (1.0 / sqrt(this->x * this->x + this->y * this->y + this->z * this->z)) * this->y; | |
| 75 this->z = (1.0 / sqrt(this->x * this->x + this->y * this->y + this->z * this->z)) * this->z; | |
| 76 } |