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129 lines
2.2 KiB
Smalltalk
129 lines
2.2 KiB
Smalltalk
Class {
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#name : #DiyaRootNode,
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#superclass : #DiyaNode,
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#instVars : [
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'Q',
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'R'
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],
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#category : #'Diya-Graphics'
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}
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{ #category : #accessing }
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DiyaRootNode >> boundingBox [
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^ Rectangle origin: 0@0 corner: context resolution
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]
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{ #category : #'add/remove' }
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DiyaRootNode >> cleanDirtyNode: aNode [
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Q remove: aNode ifAbsent:[]
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]
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{ #category : #accessing }
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DiyaRootNode >> draw [
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|c|
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c := self ? #bgColor.
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OpenGL clearColorR: c red G: c green B: c blue A: c alpha.
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OpenGL clear: GL_COLOR_BUFFER_BIT.
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]
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{ #category : #'add/remove' }
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DiyaRootNode >> enqueueDirtyNode: aNode [
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Q addIfNotPresent: aNode
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]
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{ #category : #accessing }
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DiyaRootNode >> extent [
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^ context resolution
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]
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{ #category : #initialization }
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DiyaRootNode >> initialize [
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super initialize.
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parent := self.
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shader := nil.
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root := self.
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styleName := #global.
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Q := OrderedCollection new.
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R := OrderedCollection new.
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]
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{ #category : #accessing }
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DiyaRootNode >> inner: aPoint [
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^true
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]
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{ #category : #accessing }
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DiyaRootNode >> isRoot [
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^true
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]
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{ #category : #initialization }
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DiyaRootNode >> process [
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]
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{ #category : #controlling }
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DiyaRootNode >> processQueue [
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^ Q
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]
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{ #category : #testing }
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DiyaRootNode >> readyForSwap [
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^ R isEmpty
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]
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{ #category : #rendering }
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DiyaRootNode >> render [
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| maxProcessingTime|
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self stepDown.
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R ifEmpty: [
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self draw.
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self renderNext: children
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].
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maxProcessingTime := (1000 / DiyaSystemSettings maxFPS) asInteger.
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[
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self spinOnce: maxProcessingTime
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] whileTrue
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]
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{ #category : #rendering }
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DiyaRootNode >> renderNext: nodes [
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R addAllFirstUnlessAlreadyPresent: nodes.
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]
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{ #category : #initialization }
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DiyaRootNode >> setClean [
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]
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{ #category : #initialization }
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DiyaRootNode >> setDirty [
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]
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{ #category : #rendering }
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DiyaRootNode >> spinOnce: maxProcessingTime [
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|node|
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Q ifNotEmpty: [
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node := Q removeFirst.
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node process.
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"context lock critical: [node process]."
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].
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R ifNotEmpty: [
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node := R removeFirst.
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node render.
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"context lock critical: [node render]. "
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].
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(Q isEmpty and: R isEmpty) ifTrue: [ ^false ].
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DiyaSystemSettings renderAtOnce ifTrue: [ ^ true ].
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^(DiyaSystemClock lapDelta < maxProcessingTime)
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]
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{ #category : #accessing }
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DiyaRootNode >> updateTF [
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"donothing"
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]
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