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Working beeper (it can send morse)

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Former-commit-id: 02553a52405ef4bba0d3f8f781f710b6c5b3ae16
Former-commit-id: 6cee7d2b44563a664756651d73a4b1ddfa70cf2f
This commit is contained in:
Song Minjae
2016-09-26 23:28:15 +09:00
parent 49fc723e66
commit bd4c95b321
12 changed files with 242 additions and 101 deletions
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137
src/net/torvald/terrarum/virtualcomputer/terminal/SimpleTextTerminal.kt
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@@ -5,12 +5,14 @@ import net.torvald.aa.ColouredFastFont
import net.torvald.terrarum.blendNormal
import net.torvald.terrarum.blendMul
import net.torvald.terrarum.blendScreen
import net.torvald.terrarum.virtualcomputer.computer.BaseTerrarumComputer
import org.lwjgl.BufferUtils
import org.lwjgl.openal.AL
import org.lwjgl.openal.AL10
import org.lwjgl.openal.AL11
import org.newdawn.slick.*
import java.nio.ByteBuffer
import java.util.*
/**
* Default text terminal, four text colours (black, grey, lgrey, white).
@@ -18,7 +20,7 @@ import java.nio.ByteBuffer
* Created by minjaesong on 16-09-07.
*/
open class SimpleTextTerminal(
phosphorColour: Color, override val width: Int, override val height: Int,
phosphorColour: Color, override val width: Int, override val height: Int, private val host: BaseTerrarumComputer,
colour: Boolean = false, hires: Boolean = false
) : Terminal {
/**
@@ -107,13 +109,31 @@ open class SimpleTextTerminal(
wrap()
// beep AL-related
if (beepSource != null && AL10.alGetSourcei(beepSource!!, AL10.AL_SOURCE_STATE) != AL10.AL_PLAYING) {
AL10.alDeleteSources(beepSource!!)
AL10.alDeleteBuffers(beepBuffer!!)
beepSource = null
beepBuffer == null
// start beep queue
if (beepQueue.size > 0 && beepCursor == -1) {
beepCursor = 0
}
// continue beep queue
if (beepCursor >= 0 && beepQueueLineExecTimer >= beepQueueGetLenOfPtn(beepCursor)) {
beepQueueLineExecTimer -= beepQueueGetLenOfPtn(beepCursor)
beepCursor += 1
beepQueueFired = false
}
// complete beep queue
if (beepCursor >= beepQueue.size) {
clearBeepQueue()
println("!! Beep queue clear")
}
// actually play queue
if (beepCursor >= 0 && beepQueue.size > 0 && !beepQueueFired) {
beep(beepQueue[beepCursor].first, beepQueue[beepCursor].second)
beepQueueFired = true
}
if (beepQueueFired) beepQueueLineExecTimer += delta
}
private fun wrap() {
@@ -312,85 +332,48 @@ open class SimpleTextTerminal(
foreColour = foreDefault
}
private val sampleRate = 22050
private val maxDuration = 10000
private val beepSamples = maxDuration.div(1000).times(sampleRate)
private var beepSource: Int? = null
private var beepBuffer: Int? = null
override fun beep(freq: Float, duration: Int) {
throw NotImplementedError("errenous OpenAL behaviour; *grunts*")
// let's regard it as a tracker...
private val beepQueue = ArrayList<Pair<Int, Float>>()
private var beepCursor = -1
private var beepQueueLineExecTimer = 0 // millisec
private var beepQueueFired = false
val audioData = BufferUtils.createByteBuffer(duration.times(sampleRate).div(1000))
var chop = false
val realDuration = Math.min(maxDuration, duration)
for (i in 0..realDuration - 1) {
if (i.mod(freq) < 1.0) chop = !chop
audioData.put(if (chop) 0xFF.toByte() else 0x00.toByte())
}
audioData.rewind()
// Clear error stack.
AL10.alGetError()
beepBuffer = AL10.alGenBuffers()
checkALError()
try {
AL10.alBufferData(beepBuffer!!, AL10.AL_FORMAT_MONO8, audioData, sampleRate)
checkALError()
beepSource = AL10.alGenSources()
checkALError()
try {
AL10.alSourceQueueBuffers(beepSource!!, beepBuffer!!)
checkALError()
AL10.alSource3f(beepSource!!, AL10.AL_POSITION, 0f, 0f, 1f)
AL10.alSourcef(beepSource!!, AL10.AL_REFERENCE_DISTANCE, 1f)
AL10.alSourcef(beepSource!!, AL10.AL_MAX_DISTANCE, 1f)
AL10.alSourcef(beepSource!!, AL10.AL_GAIN, 0.3f)
checkALError()
AL10.alSourcePlay(beepSource!!)
checkALError()
}
catch (e: ALException) {
AL10.alDeleteSources(beepSource!!)
}
}
catch (e: ALException) {
if (beepSource != null) AL10.alDeleteSources(beepSource!!)
}
/*def checkFinished = AL10.alGetSourcei(source, AL10.AL_SOURCE_STATE) != AL10.AL_PLAYING && {
AL10.alDeleteSources(source)
AL10.alDeleteBuffers(buffer)
true
}*/
}
// Custom implementation of Util.checkALError() that uses our custom exception.
private fun checkALError() {
val errorCode = AL10.alGetError()
if (errorCode != AL10.AL_NO_ERROR) {
throw ALException(errorCode)
}
/**
* @param duration: milliseconds
* @param freg: Frequency (float)
*/
override fun beep(duration: Int, freq: Float) {
println("!! Beep playing row $beepCursor, d ${Math.min(duration, maxDuration)} f $freq")
host.playTone(Math.min(duration, maxDuration), freq)
}
/** for "beep code" on modern BIOS. Pattern: - . */
override fun bell(pattern: String) {
throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
clearBeepQueue()
for (c in pattern) {
when (c) {
'.' -> { enqueueBeep(80, 1000f); enqueueBeep(80, 0f) }
'-' -> { enqueueBeep(250, 1000f); enqueueBeep(80, 0f) }
' ' -> { enqueueBeep(250, 0f) }
else -> throw IllegalArgumentException("Unacceptable pattern: $c (from '$pattern')")
}
}
}
fun clearBeepQueue() {
beepQueue.clear()
beepCursor = -1
beepQueueLineExecTimer = 0
}
fun enqueueBeep(duration: Int, freq: Float) {
beepQueue.add(Pair(Math.min(duration, maxDuration), freq))
}
fun beepQueueGetLenOfPtn(ptnIndex: Int) = beepQueue[ptnIndex].first
override var lastInputByte: Int = -1
var sb: StringBuilder = StringBuilder()
private var inputOpen = false