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Initial work on event support in SDL module
author Michael Pavone <pavone@retrodev.com>
date Tue, 22 Jul 2014 23:35:08 -0700
parents b01d7c1b4edd
children 2b045d5b673b
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a923b5b7da3d Initial work on an SDL2 binding
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1 #{
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2 import: [
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3 video
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4 timer
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5 ] from: (sdl subsystems)
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6 import: [
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7 quit
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8 keyDown
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9 keyUp
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10 mouseDown
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11 mouseUp
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12 ] from: (sdl eventTypes)
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13 main <- {
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14 if: (sdl init: (video or timer)) = 0 {
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15 (sdl createWindow: "SDL Test" pos: 0 0 size: 640 480 flags: 0u32) value: :window {
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16 (window createRenderer: -1 flags: ((window renderOpts) accelerated)) value: :render {
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17 render drawColor!: (sdl r: 0u8 g: 0u8 b: 255u8)
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18 render clear
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19 (sdl loadBMP: "944.bmp") value: :surf {
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20 (surf asTexture: render) value: :tex {
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21 surf free
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22 angle <- 45.0f32
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23 continue? <- true
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24 while: { continue? } do: {
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25 tex copy
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26 tex copyTo: (sdl rect: 160 120 size: 320 224)
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27 tex copyRect: (sdl rect: 80 60 size: 160 120) To: (sdl rect: 40 30 size: 320 224)
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28 tex copyTo: (sdl rect: 320 240 size: 320 224) rotated: angle
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29 render present
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30 angle <- angle + 1.0f32
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31
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32 event <- option none
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33 while: {
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34 event <- sdl pollEvent
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35 event value?
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36 } do: {
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37 event value: :ev {
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38 if: (ev type) = quit {
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39 continue? <- false
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40 } else: {
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41 if: (ev type) = keyDown || (ev type) = keyUp {
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42 print: "Key event for: " . (ev keyChar) . ", pressed?: " . (ev pressed?) . "\n"
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43 } else: {
38bbbf74b735 Initial work on event support in SDL module
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44 if: (ev type) = mouseDown || (ev type) = mouseUp {
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45 print: "Mouse event at: " . (ev x) . ", " . (ev y) . " for button " . (ev button) . "\n"
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46 }
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47 }
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48 }
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49 } none: {}
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50 }
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51 }
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52 tex destroy
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53 } none: {
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54 surf free
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55 }
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56 } none: {
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57 }
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58 render destroy
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59 } none: {
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60 print: "Failed to create renderer\n"
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61 }
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62 window destroy
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63 } none: {
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64 print: "Failed to create window\n"
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65 1
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66 }
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67 } else: {
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68 print: "Failed to initialize SDL\n"
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69 1
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70 }
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71 }
277
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72 }