[690] | 1 | #require <gl\gl.sbp>
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| 2 | #require <gl\glu.sbp>
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| 3 |
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| 4 | /*
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| 5 | Const PFD_TYPE_RGBA = 0
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| 6 | Const PFD_TYPE_COLORINDEX = 1
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| 7 |
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| 8 | Const PFD_MAIN_PLANE = 0
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| 9 | Const PFD_OVERLAY_PLANE = 1
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| 10 | Const PFD_UNDERLAY_PLANE = (-1)
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| 11 |
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| 12 | Const PFD_DOUBLEBUFFER = &H00000001
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| 13 | Const PFD_STEREO = &H00000002
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| 14 | Const PFD_DRAW_TO_WINDOW = &H00000004
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| 15 | Const PFD_DRAW_TO_BITMAP = &H00000008
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| 16 | Const PFD_SUPPORT_GDI = &H00000010
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| 17 | Const PFD_SUPPORT_OPENGL = &H00000020
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| 18 | Const PFD_GENERIC_FORMAT = &H00000040
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| 19 | Const PFD_NEED_PALETTE = &H00000080
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| 20 | Const PFD_NEED_SYSTEM_PALETTE = &H00000100
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| 21 | Const PFD_SWAP_EXCHANGE = &H00000200
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| 22 | Const PFD_SWAP_COPY = &H00000400
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| 23 | Const PFD_SWAP_LAYER_BUFFERS = &H00000800
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| 24 | Const PFD_GENERIC_ACCELERATED = &H00001000
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| 25 | Const PFD_SUPPORT_DIRECTDRAW = &H00002000
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| 26 |
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| 27 | Const PFD_DEPTH_DONTCARE = &H20000000
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| 28 | Const PFD_DOUBLEBUFFER_DONTCARE = &H40000000
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| 29 | Const PFD_STEREO_DONTCARE = &H80000000
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| 30 |
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| 31 | Type PIXELFORMATDESCRIPTOR
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| 32 | nSize As Word
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| 33 | nVersion As Word
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| 34 | dwFlags As DWord
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| 35 | iPixelType As Byte
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| 36 | cColorBits As Byte
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| 37 | cRedBits As Byte
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| 38 | cRedShift As Byte
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| 39 | cGreenBits As Byte
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| 40 | cGreenShift As Byte
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| 41 | cBlueBits As Byte
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| 42 | cBlueShift As Byte
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| 43 | cAlphaBits As Byte
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| 44 | cAlphaShift As Byte
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| 45 | cAccumBits As Byte
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| 46 | cAccumRedBits As Byte
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| 47 | cAccumGreenBits As Byte
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| 48 | cAccumBlueBits As Byte
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| 49 | cAccumAlphaBits As Byte
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| 50 | cDepthBits As Byte
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| 51 | cStencilBits As Byte
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| 52 | cAuxBuffers As Byte
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| 53 | iLayerType As Byte
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| 54 | bReserved As Byte
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| 55 | dwLayerMask As DWord
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| 56 | dwVisibleMask As DWord
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| 57 | dwDamageMask As DWord
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| 58 | End Type
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| 59 | */
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| 60 |
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| 61 | Namespace ActiveBasic
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| 62 | Namespace OpenGL
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| 63 |
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| 64 | Class AlphaTestManager
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| 65 | Public
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| 66 | Sub AlphaFunction(func As DWord)
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| 67 | glAlphaFunc(func,ReferenceAlpha())
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| 68 | End Sub
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| 69 | Function AlphaFunction() As DWord
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| 70 | glGetIntegerv(GL_ALPHA_TEST_FUNC,VarPtr(AlphaFunction))
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| 71 | End Function
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| 72 | Sub ReferenceAlpha(ref As Single)
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| 73 | glAlphaFunc(AlphaFunction,ref)
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| 74 | End Sub
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| 75 | Function ReferenceAlpha() As Single
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| 76 | glGetFloatv(GL_ALPHA_TEST_REF,VarPtr(ReferenceAlpha))
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| 77 | End Function
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| 78 | End Class
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| 79 |
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| 80 | Class BlendManager
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| 81 | Public
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| 82 | Sub Destination(dest As DWord)
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| 83 | glBlendFunc(Source(),dest)
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| 84 | End Sub
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| 85 | Function Destination() As DWord
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| 86 | glGetIntegerv(GL_BLEND_DST,VarPtr(Destination))
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| 87 | End Function
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| 88 | Sub Source(src As DWord)
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| 89 | glBlendFunc(src,Destination())
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| 90 | End Sub
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| 91 | Function Source() As DWord
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| 92 | glGetIntegerv(GL_BLEND_SRC,VarPtr(Source))
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| 93 | End Function
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| 94 | End Class
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| 95 |
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| 96 | Class ClientStateManager
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| 97 | Public
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| 98 | Sub ColorArrayEnable(enable As Boolean)
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| 99 | setEnable(GL_COLOR_ARRAY,enable)
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| 100 | End Sub
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| 101 | Function ColorArrayEnable() As Boolean
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| 102 | Return getEnable(GL_COLOR_ARRAY)
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| 103 | End Function
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| 104 | Sub EdgeFlagArrayEnable(enable As Boolean)
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| 105 | setEnable(GL_EDGE_FLAG_ARRAY,enable)
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| 106 | End Sub
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| 107 | Function EdgeFlagArrayEnable() As Boolean
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| 108 | Return getEnable(GL_EDGE_FLAG_ARRAY)
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| 109 | End Function
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| 110 | Sub IndexArrayEnable(enable As Boolean)
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| 111 | setEnable(GL_INDEX_ARRAY,enable)
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| 112 | End Sub
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| 113 | Function IndexArrayEnable() As Boolean
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| 114 | Return getEnable(GL_INDEX_ARRAY)
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| 115 | End Function
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| 116 | Sub NormalArrayEnable(enable As Boolean)
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| 117 | setEnable(GL_NORMAL_ARRAY,enable)
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| 118 | End Sub
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| 119 | Function NormalArrayEnable() As Boolean
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| 120 | Return getEnable(GL_NORMAL_ARRAY)
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| 121 | End Function
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| 122 | Sub TextureCoordArrayEnable(enable As Boolean)
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| 123 | setEnable(GL_TEXTURE_COORD_ARRAY,enable)
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| 124 | End Sub
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| 125 | Function TextureCoordArrayEnable() As Boolean
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| 126 | Return getEnable(GL_TEXTURE_COORD_ARRAY)
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| 127 | End Function
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| 128 | Sub VertexArrayEnable(enable As Boolean)
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| 129 | setEnable(GL_VERTEX_ARRAY,enable)
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| 130 | End Sub
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| 131 | Function VertexArrayEnable() As Boolean
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| 132 | Return getEnable(GL_VERTEX_ARRAY)
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| 133 | End Function
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| 134 |
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| 135 | Private
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| 136 | Sub setEnable(cap As DWord, enable As Boolean)
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| 137 | If enable Then
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| 138 | glEnable(cap)
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| 139 | Else
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| 140 | glDisable(cap)
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| 141 | End If
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| 142 | End Sub
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| 143 | Function getEnable(cap As DWord) As Boolean
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| 144 | Dim b As Byte
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| 145 | glGetBooleanv(cap,VarPtr(b))
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| 146 | Return b
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| 147 | End Function
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| 148 | End Class
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| 149 |
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| 150 | Class FogManager
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| 151 | Public
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| 152 | Sub Density(dens As Single)
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| 153 | glFogf(GL_FOG_DENSITY,dens)
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| 154 | End Sub
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| 155 | Function Density() As Single
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| 156 | glGetFloatv(GL_FOG_DENSITY,VarPtr(Density))
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| 157 | End Function
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| 158 | Sub End(end As Single)
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| 159 | glFogf(GL_FOG_END,end)
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| 160 | End Sub
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| 161 | Function End() As Single
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| 162 | glGetFloatv(GL_FOG_END,VarPtr(End))
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| 163 | End Function
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| 164 | Sub Mode(mode As DWord)
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| 165 | glFogi(GL_FOG_MODE,mode)
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| 166 | End Sub
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| 167 | Function Mode() As DWord
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| 168 | glGetIntegerv(GL_FOG_MODE,VarPtr(Mode))
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| 169 | End Function
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| 170 | Sub Start(start As Single)
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| 171 | glFogf(GL_FOG_START,start)
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| 172 | End Sub
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| 173 | Function Start() As Single
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| 174 | glGetFloatv(GL_FOG_START,VarPtr(Start))
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| 175 | End Function
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| 176 |
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| 177 | Public
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| 178 | Sub FogColor(red As Single, green As Single, blue As Single, alpha As Single)
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| 179 | Dim c[3] As Single
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| 180 | glFogfv(GL_FOG_COLOR,c)
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| 181 | End Sub
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| 182 |
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| 183 | Private
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| 184 | End Class
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| 185 |
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| 186 | Class ServerStateManager
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| 187 | Public
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| 188 | Sub AlphaTestEnable(enable As Boolean)
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| 189 | setEnable(GL_ALPHA_TEST,enable)
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| 190 | End Sub
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| 191 | Function AlphaTestEnable() As Boolean
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| 192 | Return getEnable(GL_ALPHA_TEST)
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| 193 | End Function
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| 194 | Sub AutoNormalEnable(enable As Boolean)
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| 195 | setEnable(GL_AUTO_NORMAL,enable)
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| 196 | End Sub
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| 197 | Function AutoNormalEnable() As Boolean
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| 198 | Return getEnable(GL_AUTO_NORMAL)
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| 199 | End Function
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| 200 | Sub BlendEnable(enable As Boolean)
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| 201 | setEnable(GL_BLEND,enable)
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| 202 | End Sub
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| 203 | Function BlendEnable() As Boolean
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| 204 | Return getEnable(GL_BLEND)
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| 205 | End Function
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| 206 | Sub CullFaceEnable(enable As Boolean)
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| 207 | setEnable(GL_CULL_FACE,enable)
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| 208 | End Sub
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| 209 | Function CullFaceEnable() As Boolean
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| 210 | Return getEnable(GL_CULL_FACE)
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| 211 | End Function
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| 212 | Sub DepthTestEnable(enable As Boolean)
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| 213 | setEnable(GL_DEPTH_TEST,enable)
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| 214 | End Sub
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| 215 | Function DepthTestEnable() As Boolean
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| 216 | Return getEnable(GL_DEPTH_TEST)
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| 217 | End Function
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| 218 | Sub FogEnable(enable As Boolean)
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| 219 | setEnable(GL_FOG,enable)
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| 220 | End Sub
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| 221 | Function FogEnable() As Boolean
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| 222 | Return getEnable(GL_FOG)
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| 223 | End Function
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| 224 | Sub LightingEnable(enable As Boolean)
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| 225 | setEnable(GL_LIGHTING,enable)
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| 226 | End Sub
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| 227 | Function LightingEnable() As Boolean
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| 228 | Return getEnable(GL_LIGHTING)
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| 229 | End Function
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| 230 | Sub LineSmoothEnable(enable As Boolean)
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| 231 | setEnable(GL_LINE_SMOOTH,enable)
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| 232 | End Sub
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| 233 | Function LineSmoothEnable() As Boolean
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| 234 | Return getEnable(GL_LINE_SMOOTH)
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| 235 | End Function
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| 236 | Sub LineStippleEnable(enable As Boolean)
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| 237 | setEnable(GL_LINE_STIPPLE,enable)
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| 238 | End Sub
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| 239 | Function LineStippleEnable() As Boolean
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| 240 | Return getEnable(GL_LINE_STIPPLE)
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| 241 | End Function
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| 242 | Sub NormalizeEnable(enable As Boolean)
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| 243 | setEnable(GL_NORMALIZE,enable)
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| 244 | End Sub
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| 245 | Function NormalizeEnable() As Boolean
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| 246 | Return getEnable(GL_NORMALIZE)
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| 247 | End Function
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| 248 | Sub PointSmoothEnable(enable As Boolean)
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| 249 | setEnable(GL_POINT_SMOOTH,enable)
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| 250 | End Sub
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| 251 | Function PointSmoothEnable() As Boolean
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| 252 | Return getEnable(GL_POINT_SMOOTH)
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| 253 | End Function
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| 254 | Sub PolygonSmoothEnable(enable As Boolean)
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| 255 | setEnable(GL_POLYGON_SMOOTH,enable)
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| 256 | End Sub
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| 257 | Function PolygonSmoothEnable() As Boolean
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| 258 | Return getEnable(GL_POLYGON_SMOOTH)
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| 259 | End Function
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| 260 | Sub StencilTestEnable(enable As Boolean)
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| 261 | setEnable(GL_STENCIL_TEST,enable)
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| 262 | End Sub
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| 263 | Function StencilTestEnable() As Boolean
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| 264 | Return getEnable(GL_STENCIL_TEST)
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| 265 | End Function
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| 266 | Sub Texture1DEnable(enable As Boolean)
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| 267 | setEnable(GL_TEXTURE_1D,enable)
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| 268 | End Sub
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| 269 | Function Texture1DEnable() As Boolean
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| 270 | Return getEnable(GL_TEXTURE_1D)
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| 271 | End Function
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| 272 | Sub Texture2DEnable(enable As Boolean)
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| 273 | setEnable(GL_TEXTURE_2D,enable)
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| 274 | End Sub
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| 275 | Function Texture2DEnable() As Boolean
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| 276 | Return getEnable(GL_TEXTURE_2D)
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| 277 | End Function
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| 278 |
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| 279 | Private
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| 280 | Sub setEnable(cap As DWord, enable As Boolean)
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| 281 | If enable Then
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| 282 | glEnable(cap)
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| 283 | Else
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| 284 | glDisable(cap)
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| 285 | End If
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| 286 | End Sub
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| 287 | Function getEnable(cap As DWord) As Boolean
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| 288 | Dim b As Byte
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| 289 | glGetBooleanv(cap,VarPtr(b))
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| 290 | Return b
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| 291 | End Function
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| 292 | End Class
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| 293 |
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| 294 |
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| 295 | Class Context
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| 296 | Public /* constructor & destructor */
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| 297 | Sub Context(hdc As HDC)
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| 298 | Dim pfd = [
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| 299 | SizeOf(PIXELFORMATDESCRIPTOR), ' size of this pfd
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| 300 | 1, ' version number
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| 301 | PFD_DRAW_TO_WINDOW or_ ' support window
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| 302 | PFD_SUPPORT_OPENGL or_ ' support OpenGL
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| 303 | PFD_DOUBLEBUFFER, ' double buffered
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| 304 | PFD_TYPE_RGBA, ' RGBA type
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| 305 | 32, ' 24-bit color depth
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| 306 | 0, 0, 0, 0, 0, 0, ' color bits ignored
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| 307 | 8, ' 8-bit alpha buffer
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| 308 | 0, ' shift bit ignored
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| 309 | 0, ' no accumulation buffer
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| 310 | 0, 0, 0, 0, ' accum bits ignored
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| 311 | 32, ' 32-bit z-buffer
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| 312 | 8, ' 8-bit stencil buffer
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| 313 | 0, ' no auxiliary buffer
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| 314 | PFD_MAIN_PLANE, ' main layer
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| 315 | 0, ' reserved
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| 316 | 0, 0, 0
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| 317 | ] As PIXELFORMATDESCRIPTOR
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| 318 |
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| 319 |
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| 320 | Dim pfmt As Long
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| 321 |
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| 322 | pfmt=ChoosePixelFormat(hdc, pfd)
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| 323 | If pfmt = 0 Then
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| 324 | OutputDebugString(Ex"ChoosePixelFormat failed\n")
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| 325 | 'Throw
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| 326 | End If
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| 327 |
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| 328 | If SetPixelFormat(hdc, pfmt, pfd) = FALSE Then
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| 329 | OutputDebugString(Ex"SetPixelFormat failed\n")
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| 330 | 'MessageBox("SetPixelFormat failed");
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| 331 | 'Throw
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| 332 | End If
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| 333 |
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| 334 | hrc = wglCreateContext(hdc)
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| 335 | wglMakeCurrent(hdc, hrc)
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| 336 |
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| 337 | End Sub
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| 338 | Sub ~Context()
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| 339 | wglMakeCurrent(NULL, NULL)
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| 340 | wglDeleteContext(hrc)
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| 341 | End Sub
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| 342 |
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| 343 | Public /* property */
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| 344 | Function AlphaTest() As AlphaTestManager
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| 345 | Return New AlphaTestManager
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| 346 | End Function
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| 347 | Function ClientState() As ClientStateManager
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| 348 | Return New ClientStateManager
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| 349 | End Function
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| 350 | Function Fog() As FogManager
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| 351 | Return New FogManager
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| 352 | End Function
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| 353 | Function ServerState() As ServerStateManager
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| 354 | Return New ServerStateManager
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| 355 | End Function
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| 356 |
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| 357 | Public /* method */
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| 358 | Sub Clear(mask As DWord)
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| 359 | glClear(mask)
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| 360 | End Sub
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| 361 | Sub ClearAccum(red As Single, green As Single, blue As Single, alpha As Single)
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| 362 | glClearAccum(red,green,blue,alpha)
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| 363 | End Sub
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| 364 | Sub ClearColor(red As Single, green As Single, blue As Single, alpha As Single)
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| 365 | glClearColor(red,green,blue,alpha)
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| 366 | End Sub
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| 367 | Sub ClearDepth(depth As Single)
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| 368 | glClearDepth(depth)
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| 369 | End Sub
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| 370 | Sub ClearIndex(index As Single)
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| 371 | glClearIndex(index)
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| 372 | End Sub
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| 373 | Sub ClearStencil()
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| 374 | End Sub
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| 375 | Sub Begin(mode As DWord)
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| 376 | glBegin(mode)
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| 377 | End Sub
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| 378 | Sub End()
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| 379 | glEnd()
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| 380 | End Sub
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| 381 |
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| 382 | Sub SwapBuffer()
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| 383 | SwapBuffers(wglGetCurrentDC())
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| 384 | End Sub
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| 385 | Private
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| 386 | hrc As HGLRC
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| 387 | End Class
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| 388 |
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| 389 | End Namespace
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| 390 | End Namespace
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