Mercurial > LightClone
annotate LightClone/Source/GuiImage.cpp @ 25:eae13b04b06f
Working on Gui drag and drop
| author | koryspansel <koryspansel@bendbroadband.com> |
|---|---|
| date | Fri, 16 Sep 2011 13:11:35 -0700 |
| parents | a785b0aaf004 |
| children | 3a63df04f3c0 |
| rev | line source |
|---|---|
| 18 | 1 /* |
| 2 * GuiImage | |
| 3 */ | |
| 4 | |
| 5 #include "GuiImage.h" | |
| 6 #include "VertexTypes.h" | |
| 7 | |
| 8 /* | |
| 9 * GuiImage | |
| 10 */ | |
| 11 GuiImage::GuiImage() : pEffect(NULL), pVertexBuffer(NULL), pTexture(NULL) | |
| 12 { | |
| 13 } | |
| 14 | |
| 15 /* | |
| 16 * Initialize | |
| 17 */ | |
| 18 ErrorCode GuiImage::Initialize(ResourceManager* pManager) | |
| 19 { | |
| 20 pResourceManager = pManager; | |
| 21 | |
| 22 ErrorCode eCode = pResourceManager->CreateEffectFromFile("Data\\Shaders\\TexturedQuad.fx", &pEffect); | |
| 23 if(eCode == Error_Success) | |
| 24 { | |
| 25 eCode = pResourceManager->CreateVertexBuffer(6 * sizeof(Vertex::Quad), D3DUSAGE_WRITEONLY, D3DPOOL_MANAGED, &pVertexBuffer); | |
| 26 if(eCode == Error_Success) | |
| 27 { | |
| 28 eCode = SetupVertexBuffer(); | |
| 29 } | |
| 30 } | |
| 31 | |
| 32 return eCode; | |
| 33 } | |
| 34 | |
| 35 /* | |
| 36 * Terminate | |
| 37 */ | |
| 38 void GuiImage::Terminate() | |
| 39 { | |
| 40 if(pTexture) | |
| 41 { | |
| 42 pTexture->Release(); | |
| 43 pTexture = NULL; | |
| 44 } | |
| 45 | |
| 46 if(pVertexBuffer) | |
| 47 { | |
| 48 pVertexBuffer->Release(); | |
| 49 pVertexBuffer = NULL; | |
| 50 } | |
| 51 | |
| 52 if(pEffect) | |
| 53 { | |
| 54 pEffect->Release(); | |
| 55 pEffect = NULL; | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 /* | |
| 60 * Update | |
| 61 */ | |
| 62 void GuiImage::Update(float fElapsed) | |
| 63 { | |
| 64 } | |
| 65 | |
| 66 /* | |
| 67 * Render | |
| 68 */ | |
| 69 void GuiImage::Render(RenderContext& kContext, Camera& kCamera) | |
| 70 { | |
| 23 | 71 if(bVisible) |
| 18 | 72 { |
| 23 | 73 if(pTexture) |
| 74 { | |
| 75 uint32 nPasses = 0; | |
| 18 | 76 |
| 23 | 77 const float fOffsetX = -0.5f * ScreenSizeX; |
| 78 const float fOffsetY = +0.5f * ScreenSizeY; | |
| 18 | 79 |
| 23 | 80 const D3DXVECTOR4 kColorVector(1.0f, 1.0f, 1.0f, 1.0f); |
| 81 | |
| 82 kContext.ApplyCameraToEffect(kCamera, pEffect); | |
| 18 | 83 |
| 23 | 84 D3DXMATRIX kScale; |
| 85 D3DXMatrixScaling(&kScale, kDimensions.x, kDimensions.y, 1.0f); | |
| 18 | 86 |
| 23 | 87 const D3DXVECTOR2& kLocation = GetPosition(); |
| 18 | 88 |
| 23 | 89 D3DXMATRIX kTranslate; |
| 90 D3DXMatrixTranslation(&kTranslate, fOffsetX + kLocation.x + 0.5f, fOffsetY - kLocation.y + 0.5f, 0.0f); | |
| 18 | 91 |
| 23 | 92 D3DXMATRIX kWorldMatrix; |
| 93 D3DXMatrixMultiply(&kWorldMatrix, &kScale, &kTranslate); | |
| 94 | |
| 95 pEffect->SetMatrix(pEffect->GetParameterByName(NULL, "kWorld"), &kWorldMatrix); | |
| 96 pEffect->SetVector(pEffect->GetParameterByName(NULL, "kColor"), &kColorVector); | |
| 97 pEffect->SetTexture(pEffect->GetParameterByName(NULL, "kTexture"), pTexture); | |
| 18 | 98 |
| 23 | 99 pEffect->SetTechnique(pEffect->GetTechnique(0)); |
| 100 pEffect->Begin(&nPasses, 0); | |
| 101 pEffect->BeginPass(0); | |
| 102 | |
| 103 kContext.DrawTriangles(Vertex::Quad::Declaration, pVertexBuffer, sizeof(Vertex::Quad), TrianglesPerFace); | |
|
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104 |
| 23 | 105 pEffect->EndPass(); |
| 106 pEffect->End(); | |
| 107 } | |
| 18 | 108 |
| 23 | 109 GuiElement::Render(kContext, kCamera); |
| 18 | 110 } |
| 111 } | |
| 112 | |
| 113 /* | |
| 114 * SetTexture | |
| 115 */ | |
|
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116 ErrorCode GuiImage::SetTexture(const char* pName, bool bResize) |
| 18 | 117 { |
| 118 if(pTexture) | |
| 119 { | |
| 120 pTexture->Release(); | |
| 121 pTexture = NULL; | |
| 122 } | |
| 123 | |
|
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124 ErrorCode eCode = pResourceManager->CreateTextureFromFile(pName, &pTexture); |
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125 if(eCode == Error_Success) |
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126 { |
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127 if(bResize) |
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128 { |
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129 D3DSURFACE_DESC kDescriptor; |
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130 pTexture->GetLevelDesc(0, &kDescriptor); |
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131 |
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132 kDimensions.x = (float)kDescriptor.Width; |
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133 kDimensions.y = (float)kDescriptor.Height; |
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134 } |
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135 } |
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136 |
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137 return eCode; |
| 18 | 138 } |
| 139 | |
| 140 /* | |
| 141 * SetupVertexBuffer | |
| 142 */ | |
| 143 ErrorCode GuiImage::SetupVertexBuffer() | |
| 144 { | |
| 145 Vertex::Quad* pVertices = NULL; | |
| 146 | |
| 147 HRESULT hResult = pVertexBuffer->Lock(0, 0, (void**)&pVertices, D3DLOCK_DISCARD); | |
| 148 if(FAILED(hResult)) | |
| 149 { | |
| 150 return Error_Fail; | |
| 151 } | |
| 152 | |
| 153 pVertices[0] = Vertex::Quad(+0.0f, -1.0f, 1.0f, 0.0f, 1.0f); | |
| 154 pVertices[1] = Vertex::Quad(+0.0f, +0.0f, 1.0f, 0.0f, 0.0f); | |
| 155 pVertices[2] = Vertex::Quad(+1.0f, +0.0f, 1.0f, 1.0f, 0.0f); | |
| 156 pVertices[3] = Vertex::Quad(+0.0f, -1.0f, 1.0f, 0.0f, 1.0f); | |
| 157 pVertices[4] = Vertex::Quad(+1.0f, +0.0f, 1.0f, 1.0f, 0.0f); | |
| 158 pVertices[5] = Vertex::Quad(+1.0f, -1.0f, 1.0f, 1.0f, 1.0f); | |
| 159 | |
| 160 pVertexBuffer->Unlock(); | |
| 161 | |
| 162 return Error_Success; | |
| 163 } |