Mercurial > games > semicongine

annotate old_tests/test_panel.nim @ 1327:373a4888f6ac

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did: rework font-rendering
author sam <sam@basx.dev>
date Sat, 17 Aug 2024 13:54:22 +0700
parents 6360c8d17ce0
children
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1 import std/unicode
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2
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3 import semicongine
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4
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5 var counter = 0
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6 var counterText: Text
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7
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8 proc click(panel: var Panel, buttons: set[MouseButton]) =
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9 if buttons.contains(Mouse1):
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10 counter.inc
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11 if buttons.contains(Mouse3):
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12 counter.dec
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13 counterText.text = $counter
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14 proc enter(panel: var Panel) =
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15 panel.mesh.transform = panel.mesh.transform * Scale(1.05, 1.05)
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16 panel.color = NewVec4f(1, 0, 0, 0.3)
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17 proc leave(panel: var Panel) =
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18 panel.mesh.transform = panel.mesh.transform * Scale(1 / 1.05, 1 / 1.05)
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19 panel.color = NewVec4f(1, 0, 0, 0.5)
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20
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21 proc main() =
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22 # setup engine
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23 var engine = InitEngine("Test panels")
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24 engine.InitRenderer([])
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25
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26 const B = [0'u8, 0'u8, 0'u8, 255'u8]
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27 const T = [0'u8, 0'u8, 0'u8, 0'u8]
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28 # build scene
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29 #
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30 var
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31 font = LoadFont("DejaVuSans.ttf", lineHeightPixels = 210'f32)
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32 scene = Scene(name: "main")
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33 origin = InitPanel(
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34 transform = Scale(0.005, 0.005),
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35 color = NewVec4f(1, 1, 1, 1),
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36 texture = Texture(isGrayscale: false, colorImage: NewImage[RGBAPixel](3, 3, [T, B, T, B, B, B, T, B, T]), sampler: NEAREST_SAMPLER),
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37 )
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38 button = InitPanel(
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39 transform = Translate(0.2, 0.1) * Scale(0.3, 0.1),
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40 color = NewVec4f(1, 0, 0, 0.5),
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41 onMouseDown = click,
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42 onMouseEnter = enter,
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43 onMouseLeave = leave
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44 )
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45 help_text = font.InitText("""Controls
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46
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47 Horizontal alignment:
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48 F1: Left
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49 F2: Center
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50 F3: Right
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51 Vertical alignment:
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52 F4: Top
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53 F5: Center
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54 F6: Bottom
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55 Mouse:
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56 Left click: Increase counter
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57 Right click: Decrease counter""".toRunes, horizontalAlignment = Left, verticalAlignment = Top, transform = Translate(-0.9, -0.9) * Scale(0.0002, 0.0002))
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58
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59 counterText = font.InitText(($counter).toRunes, maxLen = 99, transform = Translate(0.2, 0.1) * Scale(0.0004, 0.0004))
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60
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61 scene.Add counterText
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62 scene.Add button
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63 scene.Add help_text
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64 scene.Add origin
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65 engine.LoadScene(scene)
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66
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67 while engine.UpdateInputs() and not KeyIsDown(Escape):
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68 if KeyWasPressed(F1):
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69 button.horizontalAlignment = Left
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70 counterText.horizontalAlignment = Left
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71 elif KeyWasPressed(F2):
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72 button.horizontalAlignment = Center
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73 counterText.horizontalAlignment = Center
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74 elif KeyWasPressed(F3):
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75 button.horizontalAlignment = Right
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76 counterText.horizontalAlignment = Right
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77 elif KeyWasPressed(F4):
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78 button.verticalAlignment = Top
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79 counterText.verticalAlignment = Top
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80 elif KeyWasPressed(F5):
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81 button.verticalAlignment = Center
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82 counterText.verticalAlignment = Center
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83 elif KeyWasPressed(F6):
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84 button.verticalAlignment = Bottom
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85 counterText.verticalAlignment = Bottom
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86
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87 engine.ProcessEvents(button)
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88
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89 button.Refresh()
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90 counterText.Refresh()
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91 origin.Refresh()
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92 help_text.Refresh()
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93
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94 engine.RenderScene(scene)
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95 engine.Destroy()
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98 when isMainModule:
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99 main()