Mercurial > games > semicongine
annotate examples/E04_input.nim @ 525:0285ff2281b1
add: keyboard/mouse inpute test
| author | Sam <sam@basx.dev> |
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| date | Sat, 04 Feb 2023 02:24:41 +0700 |
| parents | f2c97bdbb0b3 |
| children | de433a47e635 |
| rev | line source |
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| 525 | 1 import std/tables |
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2 import std/strutils |
| 525 | 3 import std/typetraits |
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4 import std/times |
| 525 | 5 import std/math |
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6 |
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7 import semicongine |
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8 |
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9 type |
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10 # define type of vertex |
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11 VertexDataA = object |
| 525 | 12 position: PositionAttribute[Vec3] |
| 13 color: ColorAttribute[Vec4] | |
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14 transform: ModelTransformAttribute |
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15 Uniforms = object |
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16 projection: Descriptor[Mat44] |
| 525 | 17 |
| 18 const | |
| 19 arrow = @[ | |
| 20 Vec3([-1'f32, -1'f32, 0'f32]), | |
| 21 Vec3([1'f32, -1'f32, 0'f32]), | |
| 22 Vec3([-0.3'f32, -0.3'f32, 0'f32]), | |
| 23 Vec3([-0.3'f32, -0.3'f32, 0'f32]), | |
| 24 Vec3([-1'f32, 1'f32, 0'f32]), | |
| 25 Vec3([-1'f32, -1'f32, 0'f32]), | |
| 26 ] | |
| 27 arrow_colors = @[ | |
| 28 Vec4([1'f32, 0'f32, 0'f32, 1'f32]), | |
| 29 Vec4([1'f32, 0'f32, 0'f32, 1'f32]), | |
| 30 Vec4([1'f32, 0'f32, 0'f32, 1'f32]), | |
| 31 Vec4([0.8'f32, 0'f32, 0'f32, 1'f32]), | |
| 32 Vec4([0.8'f32, 0'f32, 0'f32, 1'f32]), | |
| 33 Vec4([0.8'f32, 0'f32, 0'f32, 1'f32]), | |
| 34 ] | |
| 35 # row width is 15, should sum up | |
| 36 keyrows = ( | |
| 37 [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 3.0], | |
| 38 [1.2, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.8], | |
| 39 [1.8, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.2], | |
| 40 [2.1, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0], | |
| 41 [3.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 3.0], | |
| 42 [1.5, 1.5, 1.5, 6, 1.5, 1.5, 1.5], | |
| 43 ) | |
| 44 rowWidth = 900 | |
| 45 keyHeight = 50'f32 | |
| 46 keyGap = 10'f32 | |
| 47 baseColor = Vec4([1'f32, 0'f32, 0'f32, 0'f32]) | |
| 48 activeColor = Vec4([1'f32, 1'f32, 1'f32, 0'f32]) | |
| 49 keyMap = { | |
| 50 Escape: 0, F1: 1, F2: 2, F3: 3, F4: 4, F5: 5, F6: 6, F7: 7, F8: 8, F9: 9, | |
| 51 F10: 10, F11: 11, F12: 12, | |
| 52 NumberRowExtra1: 13, `1`: 14, `2`: 15, `3`: 16, `4`: 17, `5`: 18, `6`: 19, | |
| 53 `7`: 20, `8`: 21, `9`: 22, `0`: 23, NumberRowExtra2: 24, | |
| 54 NumberRowExtra3: 25, Backspace: 26, | |
| 55 Tab: 27, Q: 28, W: 29, Key.E: 30, R: 31, T: 32, Key.Y: 33, U: 34, I: 35, O: 36, | |
| 56 P: 37, LetterRow1Extra1: 38, LetterRow1Extra2: 39, LetterRow1Extra3: 40, | |
| 57 CapsLock: 41, A: 42, S: 43, D: 44, F: 45, G: 46, H: 47, J: 48, K: 49, L: 50, | |
| 58 LetterRow2Extra1: 51, LetterRow2Extra2: 52, | |
| 59 ShiftL: 53, Key.Z: 54, Key.X: 55, C: 56, V: 57, B: 58, N: 59, M: 60, | |
| 60 LetterRow3Extra1: 61, LetterRow3Extra2: 62, LetterRow3Extra3: 63, | |
| 61 ShiftR: 64, | |
| 62 CtrlL: 65, SuperL: 66, AltL: 67, Space: 68, AltR: 69, SuperR: 70, CtrlR: 71, | |
| 63 }.toTable | |
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64 |
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65 var |
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66 pipeline: RenderPipeline[VertexDataA, Uniforms] |
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67 uniforms: Uniforms |
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68 scene: Thing |
| 525 | 69 keyvertexpos: seq[Vec3] |
| 70 keyvertexcolor: seq[Vec4] | |
| 71 keyindices: seq[array[3, uint16]] | |
| 72 rowpos = Vec2([0'f32, 0'f32]) | |
| 73 i = 0'u16 | |
| 74 for row in keyrows.fields: | |
| 75 let | |
| 76 rowSpacePx = rowWidth - (row.len - 1) * keyGap | |
| 77 rowSpace = sum(row) | |
| 78 for key in row: | |
| 79 let keySpace = float32((key / rowSpace) * rowSpacePx) | |
| 80 keyvertexpos.add Vec3([rowpos[0], rowpos[1], 0'f32]) | |
| 81 keyvertexpos.add Vec3([rowpos[0] + keySpace, rowpos[1], 0'f32]) | |
| 82 keyvertexpos.add Vec3([rowpos[0] + keySpace, rowpos[1] + keyHeight, 0'f32]) | |
| 83 keyvertexpos.add Vec3([rowpos[0], rowpos[1] + keyHeight, 0'f32]) | |
| 84 keyvertexcolor.add [baseColor, baseColor, baseColor, baseColor] | |
| 85 keyindices.add [i, i + 1, i + 2] | |
| 86 keyindices.add [i + 2, i + 3, i] | |
| 87 rowpos[0] += keySpace + keyGap | |
| 88 i += 4 | |
| 89 rowpos[0] = 0 | |
| 90 rowpos[1] += keyHeight + keyGap | |
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91 |
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92 |
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93 proc globalUpdate(engine: var Engine, dt: float32) = |
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94 uniforms.projection.value = ortho[float32]( |
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95 0'f32, float32(engine.vulkan.frameSize.x), |
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96 0'f32, float32(engine.vulkan.frameSize.y), |
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97 0'f32, 1'f32, |
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98 ) |
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99 engine.vulkan.device.updateUniformData(pipeline, uniforms) |
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100 |
| 525 | 101 let |
| 102 mousePos = translate3d(engine.input.mousePos.x, engine.input.mousePos.y, 0'f32) | |
| 103 winsize = engine.window.size | |
| 104 center = translate3d(float32(winsize[0]) / 2'f32, float32(winsize[1]) / | |
| 105 2'f32, 0.1'f32) | |
| 106 scene.firstWithName("cursor").transform = mousePos | |
| 107 scene.firstWithName("keyboard-center").transform = center | |
| 108 var mesh = Mesh[VertexDataA, uint16](scene.firstWithName("keyboard").parts[0]) | |
| 109 var hadUpdate = false | |
| 110 for key, index in keyMap.pairs: | |
| 111 if key in engine.input.keysPressed: | |
| 112 echo "Pressed ", key | |
| 113 let baseIndex = index * 4 | |
| 114 mesh.vertexData.color.data[baseIndex + 0] = activeColor | |
| 115 mesh.vertexData.color.data[baseIndex + 1] = activeColor | |
| 116 mesh.vertexData.color.data[baseIndex + 2] = activeColor | |
| 117 mesh.vertexData.color.data[baseIndex + 3] = activeColor | |
| 118 hadUpdate = true | |
| 119 if key in engine.input.keysReleased: | |
| 120 echo "Released ", key | |
| 121 let baseIndex = index * 4 | |
| 122 mesh.vertexData.color.data[baseIndex + 0] = baseColor | |
| 123 mesh.vertexData.color.data[baseIndex + 1] = baseColor | |
| 124 mesh.vertexData.color.data[baseIndex + 2] = baseColor | |
| 125 mesh.vertexData.color.data[baseIndex + 3] = baseColor | |
| 126 hadUpdate = true | |
| 127 if hadUpdate: | |
| 128 engine.vulkan.device.updateVertexData(mesh.vertexData.color) | |
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129 |
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130 |
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131 when isMainModule: |
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132 var myengine = igniteEngine("Input") |
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133 |
| 525 | 134 var cursormesh = new Mesh[VertexDataA, uint16] |
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135 cursormesh.vertexData = VertexDataA( |
| 525 | 136 position: PositionAttribute[Vec3](data: arrow, useOnDeviceMemory: true), |
| 137 color: ColorAttribute[Vec4](data: arrow_colors), | |
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138 transform: ModelTransformAttribute(data: @[Unit44]), |
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139 ) |
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140 # transform the cursor a bit to make it look nice |
| 525 | 141 let cursorscale = ( |
| 142 scale2d(20'f32, 20'f32) * | |
| 143 translate2d(1'f32, 1'f32) * | |
| 144 rotate2d(-float32(PI) / 4'f32) * | |
| 145 scale2d(0.5'f32, 1'f32) * | |
| 146 rotate2d(float32(PI) / 4'f32) | |
| 147 ) | |
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148 for i in 0 ..< cursormesh.vertexData.position.data.len: |
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149 let pos = Vec3([cursormesh.vertexData.position.data[i][0], |
| 525 | 150 cursormesh.vertexData.position.data[i][1], 0'f32]) |
| 151 cursormesh.vertexData.position.data[i] = (cursorscale * pos) | |
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152 |
| 525 | 153 var keyboardmesh = new Mesh[VertexDataA, uint16] |
| 154 keyboardmesh.indexed = true | |
| 155 keyboardmesh.vertexData = VertexDataA( | |
| 156 position: PositionAttribute[Vec3](data: keyvertexpos, | |
| 157 useOnDeviceMemory: true), | |
| 158 color: ColorAttribute[Vec4](data: keyvertexcolor), | |
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159 transform: ModelTransformAttribute(data: @[Unit44]), |
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160 ) |
| 525 | 161 keyboardmesh.indices = keyindices |
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162 |
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163 scene = newThing("scene") |
| 525 | 164 let keyboard = newThing("keyboard", keyboardmesh) |
| 165 keyboard.transform = translate3d(-float32(rowWidth) / 2'f32, -float32( | |
| 166 tupleLen(keyRows) * (keyHeight + keyGap) - keyGap) / 2'f32, 0'f32) | |
| 167 scene.add newThing("keyboard-center", keyboard) | |
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168 scene.add newThing("cursor", cursormesh) |
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169 |
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170 # upload data, prepare shaders, etc |
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171 const vertexShader = generateVertexShaderCode[VertexDataA, Uniforms](""" |
| 525 | 172 out_position = uniforms.projection * transform * vec4(position, 1); |
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173 """) |
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174 const fragmentShader = generateFragmentShaderCode[VertexDataA]() |
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175 pipeline = setupPipeline[VertexDataA, Uniforms, uint16]( |
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176 myengine, |
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177 scene, |
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178 vertexShader, |
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179 fragmentShader |
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180 ) |
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181 # show something |
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182 myengine.run(pipeline, globalUpdate) |
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183 pipeline.trash() |
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184 myengine.trash() |