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Added all the missing copyright notices.
Added a `MatrixRain` graphics animation (looks cool as hell on a 128x128!) Note minor version finally bumped to 0.1.0.
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240 changes: 240 additions & 0 deletions
240
src/main/kotlin/crackers/kobots/graphics/animation/MatrixRain.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,240 @@ | ||
| /* | ||
| * Copyright 2022-2024 by E. A. Graham, Jr. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express | ||
| * or implied. See the License for the specific language governing | ||
| * permissions and limitations under the License. | ||
| */ | ||
|
|
||
| package crackers.kobots.graphics.animation | ||
|
|
||
| import crackers.kobots.app.AppCommon | ||
| import crackers.kobots.parts.scale | ||
| import crackers.kobots.parts.scheduleAtRate | ||
| import crackers.kobots.parts.sleep | ||
| import org.slf4j.Logger | ||
| import org.slf4j.LoggerFactory | ||
| import java.awt.Color | ||
| import java.awt.Font | ||
| import java.awt.Graphics2D | ||
| import java.util.concurrent.Future | ||
| import java.util.concurrent.atomic.AtomicInteger | ||
| import kotlin.random.Random.Default.nextInt | ||
| import kotlin.time.Duration | ||
| import kotlin.time.Duration.Companion.milliseconds | ||
|
|
||
| /** | ||
| * Draws "Matrix" movie code rain on a specified region. | ||
| */ | ||
| class MatrixRain( | ||
| private val graphics: Graphics2D, | ||
| private val x: Int, | ||
| private val y: Int, | ||
| private val width: Int, | ||
| private val height: Int, | ||
| private val displayFont: Font = Font(Font.SANS_SERIF, Font.PLAIN, 10), | ||
| private val useBold: Boolean = true, | ||
| private val leadColor: Color = Color.WHITE, | ||
| private val boldColor: Color = Color.GREEN, | ||
| private val normalColor: Color = boldColor.scale(50), | ||
| private val backgroundColor: Color = Color.BLACK, | ||
| private val updateSpeed: Duration = 50.milliseconds | ||
| ) { | ||
| private val logger: Logger = LoggerFactory.getLogger("MatrixRain") | ||
|
|
||
| private val maxColumns: Int | ||
| private val maxRows: Int | ||
| private val cellWidth: Int | ||
|
|
||
| // available columns to use | ||
| private val availableColumns = mutableListOf<Int>() | ||
|
|
||
| init { | ||
| // figure out how many rows and columns we have: use the widest character | ||
| with(graphics) { | ||
| val oldFont = font | ||
| font = displayFont | ||
| cellWidth = CHAR_LIST.maxOf { fontMetrics.stringWidth(it) } | ||
| maxColumns = width / cellWidth | ||
| maxRows = height / fontMetrics.height | ||
| // should have more than 3 columns and 5 rows | ||
| require(maxColumns > 3 && maxRows > 5) { "Not useful with less than 3 columns and/or 5 rows: $maxColumns/$maxRows" } | ||
| font = oldFont | ||
| } | ||
| availableColumns += (0 until maxColumns).toList().shuffled() | ||
| } | ||
|
|
||
| private inner class LineOfStuff(val column: Int) { | ||
| private val length = nextInt(3, maxRows) | ||
| private val leadRow = AtomicInteger(0) | ||
| private val row = AtomicInteger(-1) | ||
| private val lastRow = AtomicInteger(-length) | ||
|
|
||
| fun getLead() = if (leadRow.get() > maxRows) null else leadRow.getAndIncrement() | ||
| fun getNext() = when { | ||
| row.get() < 0 -> { | ||
| row.incrementAndGet() | ||
| null | ||
| } | ||
|
|
||
| row.get() > maxRows -> null | ||
| else -> row.getAndIncrement() | ||
| } | ||
|
|
||
| fun deleteLast() = when { | ||
| okToDelete() -> null | ||
| lastRow.get() < 0 -> { | ||
| lastRow.incrementAndGet() | ||
| null | ||
| } | ||
|
|
||
| else -> lastRow.getAndIncrement() | ||
| } | ||
|
|
||
| fun okToDelete() = lastRow.get() > maxRows | ||
| } | ||
|
|
||
| private fun context(block: () -> Unit) { | ||
| with(graphics) { | ||
| val oldFont = font | ||
| val oldColor = color | ||
| val oldBackground = background | ||
| val oldClip = clipBounds | ||
| setClip(x, y, width, height) | ||
|
|
||
| try { | ||
| font = displayFont | ||
| color = normalColor | ||
| background = backgroundColor | ||
| block() | ||
| } finally { | ||
| font = oldFont | ||
| color = oldColor | ||
| background = oldBackground | ||
| clip = oldClip | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private val lineList = mutableListOf<LineOfStuff>() | ||
| private fun aLoop() = context { | ||
| // add any new lines if we don't have any and there are more than 3 available | ||
| if (lineList.size < maxColumns && availableColumns.size > 3) { | ||
| repeat(2) { | ||
| availableColumns.shuffle() | ||
| val x = availableColumns.removeAt(0) | ||
| lineList += LineOfStuff(x) | ||
| } | ||
| } | ||
| val removeLines = mutableListOf<LineOfStuff>() | ||
| for (line in lineList) with(graphics) { | ||
| // where characters in this line will start | ||
| val lineX = line.column * cellWidth | ||
|
|
||
| line.deleteLast()?.let { lineRow -> | ||
| lineX.clearCell(lineRow) | ||
| if (line.column !in availableColumns) { | ||
| availableColumns.add(line.column) | ||
| } | ||
| } | ||
|
|
||
| line.getNext()?.let { lineRow -> | ||
| lineX.clearCell(lineRow) | ||
|
|
||
| // if it's bold, check the bold flag, otherwise use the color | ||
| if (nextInt(1, 5) == 1) { | ||
| if (useBold) { | ||
| font = font.deriveFont(Font.BOLD) | ||
| color = normalColor | ||
| } else { | ||
| font = displayFont | ||
| color = boldColor | ||
| } | ||
| } else { | ||
| font = displayFont | ||
| color = normalColor | ||
| } | ||
| val y = lineRow * fontMetrics.height + fontMetrics.ascent | ||
| // draw random char at new location | ||
| drawString(CHAR_LIST.random(), lineX, y) | ||
| } | ||
|
|
||
| line.getLead()?.let { lineRow -> | ||
| lineX.clearCell(lineRow) | ||
|
|
||
| // draw the lead character using the lead color, normal font | ||
| color = leadColor | ||
| font = displayFont.deriveFont(Font.BOLD) | ||
| val y = lineRow * fontMetrics.height + fontMetrics.ascent | ||
| drawString(CHAR_LIST.random(), lineX, y) | ||
| } | ||
|
|
||
| if (line.okToDelete()) { | ||
| availableColumns += line.column | ||
| removeLines += line | ||
| } | ||
| } | ||
| lineList.removeAll(removeLines) | ||
| } | ||
|
|
||
| private fun Int.clearCell(row: Int) { | ||
| val topOfLine = row * graphics.fontMetrics.height | ||
| graphics.clearRect(this, topOfLine, cellWidth, graphics.fontMetrics.height) | ||
| } | ||
|
|
||
| private var future: Future<*>? = null | ||
|
|
||
| /** | ||
| * Start the matrix loop | ||
| */ | ||
| fun start(refresh: () -> Unit) { | ||
| future?.let { | ||
| logger.warn("Rain loop already started") | ||
| return | ||
| } | ||
|
|
||
| graphics.clearRect(x, y, width, height) | ||
| future = AppCommon.executor.scheduleAtRate(updateSpeed) { | ||
| aLoop() | ||
| refresh() | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Stop it -- and then make sure it's stopped | ||
| */ | ||
| fun stop() { | ||
| future?.let { f -> | ||
| f.cancel(true) | ||
| while (!f.isDone) 5.milliseconds.sleep() | ||
| future = null | ||
| } | ||
| } | ||
|
|
||
| companion object { | ||
| // @formatter:off | ||
| internal val CHAR_LIST = listOf( | ||
| "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", | ||
| "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", | ||
| "S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "!", "#", "$", "%", | ||
| "^", "&", "(", ")", "-", "+", "=", "[", "]", "{", "}", "|", ";", ":", "<", ">", ",", ".", "?", "~", "`", "@", | ||
| "*", "_", "'", "\\", "/", "\"", "Ç", "È", "Ì", "Í", "Ð", "Ñ", "Ò", "×", "Ø", "Ù", "Ú", "Ý", "Þ", "ß", "à", "£", | ||
| "¤", "¥", "§", "ª", "¶", "º", "»", "¿", "Ä", "Å", "é", "ê", "í", "ï", "å", "æ", "ç", "è", "ð", "ñ", "ò", "ö", | ||
| "ø", "ù", "ý", "þ", "ā", "ć", "ĉ", "ė", "ě", "ĝ", "ģ", "ħ", "ī", "ı", "ķ", "Ľ", "Ł", "ł", "ń", "ň", "ō", "Œ", | ||
| "œ", "ŕ", "ŗ", "ś", "ŝ", "š", "ť", "ū", "ų", "Ÿ", "ź", "ż", "Ž", "ž", "ș", "ț", "ë", "Ĉ", "Ď", "ď", "Ġ", "Ř", | ||
| "°", "«", "±", "Δ", "Ξ", "Λ", "ｦ", "ｱ", "ｳ", "ｴ", "ｵ", "ｶ", "ｷ", "ｹ", "ｺ", "ｻ", "ｼ", "ｽ", "ｾ", "ｿ", "ﾀ", "ﾂ", | ||
| "ﾃ", "ﾅ", "ﾆ", "ﾇ", "ﾈ", "ﾊ", "ﾋ", "ﾎ", "ﾏ", "ﾐ", "ﾑ", "ﾒ", "ﾓ", "ﾔ", "ﾕ", "ﾗ", "ﾘ", "ﾜ", "ﾍ", "ｲ", "ｸ", "ﾁ", | ||
| "ﾄ", "ﾉ", "ﾌ", "ﾖ", "ﾙ", "ﾚ", "ﾛ", "ﾝ", "0", "1", "2", "3", "4", "5", "7", "8", "9", "Z", ":", ".", "=", "*", | ||
| "+", "-", "<", ">" | ||
| ) | ||
| // @formatter:on | ||
| } | ||
| } |
2 changes: 1 addition & 1 deletion
2
src/main/kotlin/crackers/kobots/graphics/animation/PointerGauge.kt
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16 changes: 16 additions & 0 deletions
16
src/main/kotlin/crackers/kobots/graphics/animation/SimpleRadar.kt
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16 changes: 16 additions & 0 deletions
16
src/main/kotlin/crackers/kobots/graphics/widgets/ColumnWidget.kt
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16 changes: 16 additions & 0 deletions
16
src/main/kotlin/crackers/kobots/graphics/widgets/DirectionPointer.kt
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16 changes: 16 additions & 0 deletions
16
src/main/kotlin/crackers/kobots/graphics/widgets/HorizontalPercentageIndicator.kt
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16 changes: 16 additions & 0 deletions
16
src/main/kotlin/crackers/kobots/graphics/widgets/KobotsWidget.kt
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