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http, pcspeaker driver

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Former-commit-id: a3ad38695e8c1e1040a6a3f4b8470217e8a98489
Former-commit-id: cd3809edcae7b26e7b3d846dab17f1f63761f30f
This commit is contained in:
Song Minjae
2016-09-29 23:04:04 +09:00
parent 793bca4b55
commit 1b4aca320f
35 changed files with 678 additions and 385 deletions
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91
src/net/torvald/terrarum/virtualcomputer/computer/BaseTerrarumComputer.kt
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@@ -1,6 +1,5 @@
package net.torvald.terrarum.virtualcomputer.computer
import com.jme3.math.FastMath
import org.luaj.vm2.Globals
import org.luaj.vm2.LuaError
import org.luaj.vm2.LuaTable
@@ -11,6 +10,7 @@ import org.luaj.vm2.lib.jse.JsePlatform
import net.torvald.terrarum.KVHashMap
import net.torvald.terrarum.gameactors.roundInt
import net.torvald.terrarum.virtualcomputer.luaapi.*
import net.torvald.terrarum.virtualcomputer.peripheral.*
import net.torvald.terrarum.virtualcomputer.terminal.*
import net.torvald.terrarum.virtualcomputer.worldobject.ComputerPartsCodex
import org.lwjgl.BufferUtils
@@ -30,10 +30,13 @@ import java.util.*
* @param term : terminal that is connected to the computer fixtures, null if not connected any.
* Created by minjaesong on 16-09-10.
*/
class BaseTerrarumComputer() {
class BaseTerrarumComputer(peripheralSlots: Int) {
var maxPeripherals: Int = peripheralSlots
private set
val DEBUG_UNLIMITED_MEM = false
val DEBUG = false
val DEBUG = true
lateinit var luaJ_globals: Globals
@@ -71,6 +74,8 @@ class BaseTerrarumComputer() {
lateinit var term: Teletype
private set
val peripheralTable = ArrayList<Peripheral>()
// os-related functions. These are called "machine" library-wise.
private val startupTimestamp: Long = System.currentTimeMillis()
/** Time elapsed since the power is on. */
@@ -102,6 +107,28 @@ class BaseTerrarumComputer() {
computerValue["boot"] = computerValue.getAsString("hda")!!
}
fun attachPeripheral(peri: Peripheral) {
if (peripheralTable.size < maxPeripherals) {
peripheralTable.add(peri)
peri.loadLib()
println("[BaseTerrarumComputer] loading peripheral $peri")
}
else {
throw Error("No vacant peripheral slot")
}
}
fun detachPeripheral(peri: Peripheral) {
if (peripheralTable.contains(peri)) {
peripheralTable.remove(peri)
peri.unloadLib()
println("[BaseTerrarumComputer] unloading peripheral $peri")
}
else {
throw IllegalArgumentException("Peripheral not exists: $peri")
}
}
fun attachTerminal(term: Teletype) {
this.term = term
initSandbox(term)
@@ -126,7 +153,7 @@ class BaseTerrarumComputer() {
Filesystem(luaJ_globals, this)
HostAccessProvider(luaJ_globals, this)
Input(luaJ_globals, this)
Http(luaJ_globals, this)
PeripheralInternet(luaJ_globals, this)
PcSpeakerDriver(luaJ_globals, this)
WorldInformationProvider(luaJ_globals)
@@ -146,7 +173,16 @@ class BaseTerrarumComputer() {
luaJ_globals["computer"] = LuaTable()
// rest of the "computer" APIs should be implemented in BOOT.lua
if (DEBUG) luaJ_globals["emittone"] = ComputerEmitTone(this)
// load every peripheral if we're in DEBUG
if (DEBUG) {
maxPeripherals = 32
attachPeripheral(PeripheralInternet(luaJ_globals, this))
attachPeripheral(PeripheralPSG(luaJ_globals, this))
// ...
}
}
var threadTimer = 0
@@ -253,7 +289,7 @@ class BaseTerrarumComputer() {
class ComputerEmitTone(val computer: BaseTerrarumComputer) : TwoArgFunction() {
override fun call(millisec: LuaValue, freq: LuaValue): LuaValue {
computer.playTone(millisec.toint(), freq.tofloat())
computer.playTone(millisec.checkint(), freq.checkdouble())
return LuaValue.NONE
}
}
@@ -264,7 +300,7 @@ class BaseTerrarumComputer() {
private val beepMaxLen = 10000
// let's regard it as a tracker...
private val beepQueue = ArrayList<Pair<Int, Float>>()
private val beepQueue = ArrayList<Pair<Int, Double>>()
private var beepCursor = -1
private var beepQueueLineExecTimer = 0 // millisec
private var beepQueueFired = false
@@ -285,7 +321,8 @@ class BaseTerrarumComputer() {
// complete emitTone queue
if (beepCursor >= beepQueue.size) {
clearBeepQueue()
if (DEBUG) println("!! Beep queue clear")
AL.destroy()
if (DEBUG) println("[BaseTerrarumComputer] !! Beep queue clear")
}
// actually play queue
@@ -303,7 +340,7 @@ class BaseTerrarumComputer() {
beepQueueLineExecTimer = 0
}
fun enqueueBeep(duration: Int, freq: Float) {
fun enqueueBeep(duration: Int, freq: Double) {
beepQueue.add(Pair(Math.min(duration, beepMaxLen), freq))
}
@@ -326,48 +363,48 @@ class BaseTerrarumComputer() {
*
* ,---. (true, true) ,---- (true, false) ----. (false, true) ----- (false, false)
*/
private fun makeAudioData(duration: Int, freq: Float,
private fun makeAudioData(duration: Int, freq: Double,
rampUp: Boolean = true, rampDown: Boolean = true): ByteBuffer {
val audioData = BufferUtils.createByteBuffer(duration.times(sampleRate).div(1000))
val realDuration = duration * sampleRate / 1000
val chopSize = freq / sampleRate
val amp = Math.max(4600f / freq, 1f)
val nHarmonics = if (freq >= 22050f) 1
else if (freq >= 11025f) 2
else if (freq >= 5512.5f) 3
else if (freq >= 2756.25f) 4
else if (freq >= 1378.125f) 5
else if (freq >= 689.0625f) 6
val amp = Math.max(4600.0 / freq, 1.0)
val nHarmonics = if (freq >= 22050.0) 1
else if (freq >= 11025.0) 2
else if (freq >= 5512.5) 3
else if (freq >= 2756.25) 4
else if (freq >= 1378.125) 5
else if (freq >= 689.0625) 6
else 7
val transitionThre = 974.47218f
val transitionThre = 974.47218
// TODO volume ramping?
if (freq == 0f) {
if (freq == 0.0) {
for (x in 0..realDuration - 1) {
audioData.put(0x00.toByte())
}
}
else if (freq < transitionThre) { // chopper generator (for low freq)
for (x in 0..realDuration - 1) {
var sine: Float = amp * FastMath.cos(FastMath.TWO_PI * x * chopSize)
if (sine > 0.79f) sine = 0.79f
else if (sine < -0.79f) sine = -0.79f
var sine: Double = amp * Math.cos(Math.PI * 2 * x * chopSize)
if (sine > 0.79) sine = 0.79
else if (sine < -0.79) sine = -0.79
audioData.put(
(0.5f + 0.5f * sine).times(0xFF).roundInt().toByte()
(0.5 + 0.5 * sine).times(0xFF).roundInt().toByte()
)
}
}
else { // harmonics generator (for high freq)
for (x in 0..realDuration - 1) {
var sine: Float = 0f
var sine: Double = 0.0
for (k in 1..nHarmonics) { // mix only odd harmonics in order to make a squarewave
sine += FastMath.sin(FastMath.TWO_PI * (2*k - 1) * chopSize * x) / (2*k - 1)
sine += Math.sin(Math.PI * 2 * (2*k - 1) * chopSize * x) / (2*k - 1)
}
audioData.put(
(0.5f + 0.5f * sine).times(0xFF).roundInt().toByte()
(0.5 + 0.5 * sine).times(0xFF).roundInt().toByte()
)
}
}
@@ -377,7 +414,7 @@ class BaseTerrarumComputer() {
return audioData
}
private fun playTone(leninmilli: Int, freq: Float) {
private fun playTone(leninmilli: Int, freq: Double) {
audioData = makeAudioData(leninmilli, freq)