Mercurial > mm7

annotate VectorTypes.cpp @ 2432:99e7bd7ec0a2

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* Fixed OpenAL crash for videos * Fixed double release of movie for Emerald Intro
author a.parshin
date Wed, 23 Jul 2014 21:38:34 +0300
parents f4af3b203f65
children 104fdbea0386
rev   line source
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1 #define _CRTDBG_MAP_ALLOC
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2 #include <stdlib.h>
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3 #include <crtdbg.h>
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4
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5 #define _CRT_SECURE_NO_WARNINGS
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6 #include <utility>
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7
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8 #include "mm7_data.h"
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9 #include "OurMath.h"
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10
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11 //----- (004621DA) --------------------------------------------------------
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12 uint32_t int_get_vector_length(int32_t x, int32_t y, int32_t z)
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13 {
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14 if (x < y)
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15 {
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16 std::swap(x, y);
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17 }
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18 if (x < z)
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19 {
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20 std::swap(x, z);
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21 }
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22 if (y < z)
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23 {
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24 std::swap(y, z);
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25 }
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26
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27 return x + (11 * y >> 5) + (z >> 2);
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28 }
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29
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30 //----- (0044C362) --------------------------------------------------------
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31 template <class T>
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32 void Vec3<T>::Normalize_float()
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33 {
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34 double x = this->x;
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35 double y = this->y;
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36 double z = this->z;
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37 double s = sqrt(x * x + y * y + z * z);
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38
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39 this->x = bankersRounding(x / s);
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40 this->y = bankersRounding(y / s);
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41 this->z = bankersRounding(z / s);
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42 }
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43
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44 //----- (0043AA99) --------------------------------------------------------
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45 template <class T>
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46 void __fastcall Vec3<T>::Rotate(T sDepth, T sRotY, T sRotX, Vec3<T> v, T *outx, T *outy, T *outz)
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47 {
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48 float cosf_x = cosf(3.14159265f * sRotX / 1024.0f),
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49 sinf_x = sinf(3.14159265f * sRotX / 1024.0f),
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50 cosf_y = cosf(3.14159265f * sRotY / 1024.0f),
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51 sinf_y = sinf(3.14159265f * sRotY / 1024.0f);
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52
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53 *outx = v.x + ((unsigned __int64)(sinf_y * (signed __int64)((unsigned __int64)(cosf_x * (signed __int64)sDepth)>> 16)));
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54 *outy = v.y + ((unsigned __int64)(cosf_y * (signed __int64)((unsigned __int64)(cosf_x * (signed __int64)sDepth)>> 16)));
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55 *outz = v.z + ((unsigned __int64)(sinf_x * (signed __int64)sDepth) >> 16);
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56 }
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57
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58 //----- (0043AB61) --------------------------------------------------------
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59 template <class T>
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60 void Vec3<T>::Normalize(T *x, T *y, T *z)
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61 {
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62 extern int integer_sqrt(int val);
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63 *x *= 65536 / (integer_sqrt(*y * *y + *z * *z + *x * *x) | 1);
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64 *y *= 65536 / (integer_sqrt(*y * *y + *z * *z + *x * *x) | 1);
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65 *z *= 65536 / (integer_sqrt(*y * *y + *z * *z + *x * *x) | 1);
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66 }
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67
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68 template Vec3<int32_t>;