Mercurial > mm7
annotate GammaControl.cpp @ 2253:aff7a7b072b7
adding _CRT_SECURE_NO_WARNINGS to get rid of a few hundrer annoying warnings + adding count parameter to swprintf
| author | Grumpy7 |
|---|---|
| date | Wed, 26 Feb 2014 23:35:23 +0100 |
| parents | 9bd7522cdbbb |
| children | fd788d2e9585 |
| rev | line source |
|---|---|
|
2253
aff7a7b072b7
adding _CRT_SECURE_NO_WARNINGS to get rid of a few hundrer annoying warnings + adding count parameter to swprintf
Grumpy7
parents:
2154
diff
changeset
|
1 #define _CRT_SECURE_NO_WARNINGS |
| 0 | 2 #include <string> |
| 3 | |
| 4 #include "GammaControl.h" | |
| 5 #include "Render.h" | |
| 6 | |
| 7 #include "mm7_data.h" | |
| 8 | |
| 9 | |
| 10 | |
| 11 //----- (0044F324) -------------------------------------------------------- | |
| 12 void GammaController::GetRamp() | |
| 13 { | |
| 14 if (pGammaControl) | |
| 15 ErrD3D(pGammaControl->GetGammaRamp(0, &pDefaultRamp)); | |
| 16 else | |
| 17 MessageBoxW(nullptr, L"Gamma control not active", L"E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\GammaControl.cpp:83", 0); | |
| 18 } | |
| 19 | |
| 20 //----- (0044F377) -------------------------------------------------------- | |
| 21 double GammaController::_44F377(DDGAMMARAMP *a1) | |
| 22 { | |
| 23 double v2; // st7@1 | |
| 24 unsigned __int16 *v3; // ecx@1 | |
| 25 double v4; // st6@2 | |
| 26 double result; // st7@7 | |
| 27 signed int v6; // [sp+0h] [bp-8h]@1 | |
| 28 signed int v7; // [sp+4h] [bp-4h]@1 | |
| 29 | |
| 30 v7 = 0; | |
| 31 v2 = 0.0; | |
| 32 v6 = 256; | |
| 33 v3 = a1->green; | |
| 34 do | |
| 35 { | |
| 36 v4 = ((double)*(v3 - 256) + (double)v3[256] + (double)*v3) * 0.000015259022 * 0.33333334; | |
| 37 if ( v4 == 0.0 ) | |
| 38 --v6; | |
| 39 else | |
| 40 v2 = v2 + (double)v7 * 0.0039215689 / v4; | |
| 41 ++v7; | |
| 42 ++v3; | |
| 43 } | |
| 44 while ( v7 < 256 ); | |
| 45 if ( v6 ) | |
| 46 result = v2 / (double)v6; | |
| 47 else | |
| 48 result = 1.0; | |
| 49 return result; | |
| 50 } | |
| 51 | |
| 52 //----- (0044F408) -------------------------------------------------------- | |
| 53 void GammaController::SetGammaRamp(DDGAMMARAMP *pRamp) | |
| 54 { | |
| 55 if (pGammaControl) | |
| 56 ErrD3D(pGammaControl->SetGammaRamp(0, pRamp)); | |
| 57 else | |
| 58 MessageBoxW(nullptr, L"Gamma control not active", L"E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\GammaControl.cpp:120", 0); | |
| 59 } | |
| 60 | |
| 61 //----- (0044F45B) -------------------------------------------------------- | |
| 62 int GammaController::InitGammaRamp(DDGAMMARAMP *pRamp) | |
| 63 { | |
| 64 unsigned __int16 *v2; // esi@1 | |
| 65 double v3; // st7@2 | |
| 66 signed __int64 v4; // qax@3 | |
| 67 signed int v6; // [sp+Ch] [bp-4h]@1 | |
| 68 | |
| 69 v6 = 0; | |
| 70 v2 = pRamp->green; | |
| 71 do | |
| 72 { | |
| 73 v3 = (double)v6 * 0.0039215689 * this->fGamma; | |
| 74 if ( v3 >= 1.0 || (v4 = (signed __int64)(v3 * 65535.0), (signed int)v4 > 65535) ) | |
| 1421 | 75 { |
| 76 LODWORD(v4) = 65535; | |
| 77 } | |
| 78 else if ( (signed int)v4 < 0 ) | |
| 0 | 79 { |
| 80 LODWORD(v4) = 0; | |
| 81 } | |
| 1421 | 82 else |
| 83 { | |
| 0 | 84 if ( (signed int)v4 > 65535 ) |
| 85 LODWORD(v4) = 65535; | |
| 1421 | 86 } |
| 0 | 87 ++v6; |
| 88 v2[256] = v4; | |
| 89 *v2 = v4; | |
| 90 *(v2 - 256) = v4; | |
| 91 ++v2; | |
| 92 } | |
| 93 while ( v6 < 256 ); | |
| 94 return v4; | |
| 95 } | |
| 96 | |
| 97 //----- (0044F4D9) -------------------------------------------------------- | |
| 98 void GammaController::Initialize(float gamma) | |
| 99 { | |
| 100 GammaController *v2; // esi@1 | |
| 101 double v3; // st7@3 | |
| 102 double v4; // st6@4 | |
| 103 | |
| 104 v2 = this; | |
| 2152 | 105 //if (pVersion->pVersionInfo.dwPlatformId != VER_PLATFORM_WIN32_NT || |
| 106 //pVersion->pVersionInfo.dwMajorVersion != 4) | |
| 0 | 107 { |
| 108 InitializeFromSurface(pRenderer->pFrontBuffer4); | |
| 109 v3 = 2.8; | |
| 110 if ( gamma <= 2.8f ) | |
| 111 v4 = gamma; | |
| 112 else | |
| 113 v4 = 2.8; | |
| 114 if ( v4 >= 0.1f ) | |
| 115 { | |
| 116 if ( gamma <= 2.8f ) | |
| 117 v3 = gamma; | |
| 118 } | |
| 119 else | |
| 120 { | |
| 121 v3 = 0.1; | |
| 122 } | |
| 123 v2->fGamma = v3; | |
| 124 InitGammaRamp(&v2->field_60C); | |
| 125 SetGammaRamp(&v2->field_60C); | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 | |
| 130 | |
| 131 | |
| 132 | |
| 133 //----- (0044F215) -------------------------------------------------------- | |
| 134 GammaController::GammaController() | |
| 135 { | |
| 136 static float flt_4D8670_default_gamma = 1.0f; | |
| 137 | |
| 138 pGammaControl = nullptr; | |
| 139 fGamma = flt_4D8670_default_gamma; | |
| 140 } | |
| 141 | |
| 142 | |
| 143 | |
| 144 //----- (0044F24B) -------------------------------------------------------- | |
| 145 void GammaController::InitializeFromSurface(IDirectDrawSurface4 *a2) | |
| 146 { | |
| 147 GammaController *v2; // esi@1 | |
| 148 IDirectDrawGammaControl **v3; // edi@1 | |
| 149 IDirectDrawGammaControl *v4; // eax@1 | |
| 150 | |
| 151 v2 = this; | |
| 152 v3 = &this->pGammaControl; | |
| 153 this->pSurface = a2; | |
| 154 v4 = this->pGammaControl; | |
| 155 if ( v4 ) | |
| 156 { | |
| 157 v4->Release(); | |
| 158 *v3 = 0; | |
| 159 } | |
| 2154 | 160 if ( pRenderer->IsGammaSupported() ) |
| 0 | 161 { |
| 162 ErrD3D(a2->QueryInterface(IID_IDirectDrawGammaControl, (LPVOID *)v3)); | |
| 163 GetRamp(); | |
| 164 memcpy(&v2->field_60C, &v2->pDefaultRamp, 0x600u); | |
| 165 fGamma = _44F377(&v2->field_60C); | |
| 166 } | |
| 167 } |