Mercurial > games > semicongine

annotate old_tests/test_font.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/times
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2 import std/unicode
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3
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4 import semicongine
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5
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6
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7 proc main() =
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8 # setup engine
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9 var engine = InitEngine("Test fonts")
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10 engine.InitRenderer([])
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11
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12 # build scene
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13 var scene = Scene(name: "main")
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14 var font = LoadFont("DejaVuSans.ttf", lineHeightPixels = 210'f32)
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15 var origin = InitPanel(transform = Scale(0.01, 0.01))
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16 var main_text = font.InitText("".toRunes, maxLen = 255, color = NewVec4f(1, 0.15, 0.15, 1), maxWidth = 1.0, transform = Scale(0.0005, 0.0005))
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17 var help_text = font.InitText("""Controls
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19 Horizontal alignment:
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20 F1: Left
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21 F2: Center
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22 F3: Right
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23 Vertical alignment:
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24 F4: Top
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25 F5: Center
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26 F6: Bottom""".toRunes, horizontalAlignment = Left, verticalAlignment = Top, transform = Translate(-0.9, -0.9) * Scale(0.0002, 0.0002))
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27 scene.Add origin
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28 scene.Add main_text
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29 scene.Add help_text
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30 engine.LoadScene(scene)
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31 mixer[].LoadSound("key", "key.ogg")
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32 mixer[].SetLevel(0.5)
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33
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34 while engine.UpdateInputs() and not KeyIsDown(Escape):
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35 var t = cpuTime()
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36 main_text.Color = NewVec4f(sin(t) * 0.5 + 0.5, 0.15, 0.15, 1)
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37
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38 # add character
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39 if main_text.text.len < main_text.maxLen - 1:
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40 for c in [Key.A, Key.B, Key.C, Key.D, Key.E, Key.F, Key.G, Key.H, Key.I,
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41 Key.J, Key.K, Key.L, Key.M, Key.N, Key.O, Key.P, Key.Q, Key.R, Key.S,
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42 Key.T, Key.U, Key.V, Key.W, Key.X, Key.Y, Key.Z]:
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43 if KeyWasPressed(c):
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44 discard mixer[].Play("key")
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45 if KeyIsDown(ShiftL) or KeyIsDown(ShiftR):
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46 main_text.text = main_text.text & ($c).toRunes
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47 else:
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48 main_text.text = main_text.text & ($c).toRunes[0].toLower()
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49 if KeyWasPressed(Enter):
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50 discard mixer[].Play("key")
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51 main_text.text = main_text.text & Rune('\n')
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52 if KeyWasPressed(Space):
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53 discard mixer[].Play("key")
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54 main_text.text = main_text.text & Rune(' ')
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56 # remove character
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57 if KeyWasPressed(Backspace) and main_text.text.len > 0:
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58 discard mixer[].Play("key")
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59 main_text.text = main_text.text[0 ..< ^1]
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61 # alignemtn with F-keys
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62 if KeyWasPressed(F1): main_text.horizontalAlignment = Left
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63 elif KeyWasPressed(F2): main_text.horizontalAlignment = Center
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64 elif KeyWasPressed(F3): main_text.horizontalAlignment = Right
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65 elif KeyWasPressed(F4): main_text.verticalAlignment = Top
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66 elif KeyWasPressed(F5): main_text.verticalAlignment = Center
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67 elif KeyWasPressed(F6): main_text.verticalAlignment = Bottom
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69 origin.Refresh()
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70 main_text.text = main_text.text & Rune('_')
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71 main_text.Refresh()
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72 main_text.text = main_text.text[0 ..< ^1]
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73 help_text.Refresh()
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74 engine.RenderScene(scene)
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75 engine.Destroy()
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78 when isMainModule:
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79 main()