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Lightmap: i'm only doing round 2-4-2 and it works?!

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minjaesong
2019-02-04 22:59:42 +09:00
parent 5d12dad974
commit bbb2dab710
2 changed files with 202 additions and 90 deletions
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176
src/net/torvald/terrarum/tests/NoopRectTest.kt Normal file
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@@ -0,0 +1,176 @@
import com.badlogic.gdx.Game
import com.badlogic.gdx.Gdx
import com.badlogic.gdx.backends.lwjgl.LwjglApplication
import com.badlogic.gdx.backends.lwjgl.LwjglApplicationConfiguration
import com.badlogic.gdx.graphics.Color
import com.badlogic.gdx.graphics.OrthographicCamera
import com.badlogic.gdx.graphics.Pixmap
import com.badlogic.gdx.graphics.Texture
import com.badlogic.gdx.graphics.g2d.SpriteBatch
import net.torvald.random.HQRNG
import net.torvald.terrarum.Point2i
import net.torvald.terrarum.inUse
import net.torvald.terrarum.worlddrawer.toRGBA
/**
* Created by minjaesong on 2019-02-04.
*/
class NoopRectTest(val appConfig: LwjglApplicationConfiguration) : Game() {
private val SIZE = 100
private val map = Array(SIZE + 2) { Array(SIZE + 2) { Color(0) } }
private lateinit var pixmap: Pixmap
private lateinit var texture: Texture
private lateinit var batch: SpriteBatch
private lateinit var camera: OrthographicCamera
private val DECAY_CONST = 16f/256f
private val DECAY_CONST2 = DECAY_CONST * 1.41421356f
val rng = HQRNG()
private val lightSources = Array<Point2i>(6) {
val rx = rng.nextInt(SIZE) + 1
val ry = rng.nextInt(SIZE) + 1
Point2i(rx, ry)
}
override fun create() {
pixmap = Pixmap(SIZE, SIZE, Pixmap.Format.RGBA8888)
pixmap.blending = Pixmap.Blending.None
texture = Texture(1, 1, Pixmap.Format.RGBA8888)
batch = SpriteBatch()
camera = OrthographicCamera(appConfig.width.toFloat(), appConfig.height.toFloat())
camera.setToOrtho(true)
}
override fun render() {
// clear
for (y in 0 until SIZE + 2) {
for (x in 0 until SIZE + 2) {
map[y][x] = Color(0)
}
}
// set light sources
lightSources.forEach {
map[it.y][it.x] = Color(-1)
}
// Round 2
for (y in SIZE - 1 downTo 0) {
for (x in 0 until SIZE) {
calculateAndAssign(x + 1, y + 1, 1)
}
}
// Round 3
for (y in SIZE - 1 downTo 0) {
for (x in SIZE - 1 downTo 0) {
calculateAndAssign(x + 1, y + 1, 2)
}
}
// Round 4
for (y in 0 until SIZE) {
for (x in SIZE - 1 downTo 0) {
calculateAndAssign(x + 1, y + 1, 3)
}
}
// Round 1
for (y in 0 until SIZE) {
for (x in 0 until SIZE) {
calculateAndAssign(x + 1, y + 1, 4)
}
}
// make image
for (y in 0 until SIZE + 2) {
for (x in 0 until SIZE + 2) {
pixmap.drawPixel(x, y, map[y][x].toRGBA())
}
}
// draw image
texture.dispose()
texture = Texture(pixmap)
Gdx.graphics.setTitle("No-op Rectangle Test — F: ${Gdx.graphics.framesPerSecond}")
batch.inUse {
batch.projectionMatrix = camera.combined
batch.draw(texture, 0f, 0f, appConfig.width.toFloat(), appConfig.height.toFloat())
}
println()
}
private fun calculateAndAssign(x: Int, y: Int, pass: Int) {
val lightLevelThis = map[y][x]
lightLevelThis.maxAndAssign(map[y-1][x-1].darken2())
lightLevelThis.maxAndAssign(map[y-1][x+1].darken2())
lightLevelThis.maxAndAssign(map[y+1][x-1].darken2())
lightLevelThis.maxAndAssign(map[y+1][x+1].darken2())
lightLevelThis.maxAndAssign(map[y-1][x ].darken())
lightLevelThis.maxAndAssign(map[y+1][x ].darken())
lightLevelThis.maxAndAssign(map[y ][x-1].darken())
lightLevelThis.maxAndAssign(map[y ][x+1].darken())
if (map[y][x] == lightLevelThis) {
markDupes(x, y, pass)
}
map[y][x] = lightLevelThis
}
private fun markDupes(x: Int, y: Int, pass: Int) {
//println("Duplicate at:\t$x\t$y\t$pass")
}
private fun Color.darken(): Color {
return Color(
this.r * (1f - DECAY_CONST),
this.g * (1f - DECAY_CONST),
this.b * (1f - DECAY_CONST),
this.a * (1f - DECAY_CONST)
)
}
private fun Color.darken2(): Color {
return Color(
this.r * (1f - DECAY_CONST2),
this.g * (1f - DECAY_CONST2),
this.b * (1f - DECAY_CONST2),
this.a * (1f - DECAY_CONST2)
)
}
private fun Color.maxAndAssign(other: Color): Color {
this.set(
if (this.r > other.r) this.r else other.r,
if (this.g > other.g) this.g else other.g,
if (this.b > other.b) this.b else other.b,
if (this.a > other.a) this.a else other.a
)
return this
}
}
fun main(args: Array<String>) {
val appConfig = LwjglApplicationConfiguration()
appConfig.forceExit = false
appConfig.width = 768
appConfig.height = 768
appConfig.backgroundFPS = 2
appConfig.foregroundFPS = 2
LwjglApplication(NoopRectTest(appConfig), appConfig)
}

116
src/net/torvald/terrarum/worlddrawer/LightmapRendererNew.kt
View File

@@ -12,14 +12,12 @@ import net.torvald.terrarum.blockproperties.Block
import net.torvald.terrarum.blockproperties.BlockCodex
import net.torvald.terrarum.blockproperties.Fluid
import net.torvald.terrarum.concurrent.ParallelUtils.sliceEvenly
import net.torvald.terrarum.concurrent.ThreadParallel
import net.torvald.terrarum.gameactors.ActorWBMovable
import net.torvald.terrarum.gameactors.Luminous
import net.torvald.terrarum.gameworld.BlockAddress
import net.torvald.terrarum.gameworld.GameWorld
import net.torvald.terrarum.modulebasegame.IngameRenderer
import net.torvald.terrarum.realestate.LandUtil
import java.util.concurrent.atomic.AtomicReferenceArray
/**
* Sub-portion of IngameRenderer. You are not supposed to directly deal with this.
@@ -303,88 +301,41 @@ object LightmapRenderer {
// because things are filled in subsequent frames ?
// because of not wiping out prev map ! (if pass=1 also calculates ambience, was disabled to not have to wipe out)
// Round 2
AppLoader.measureDebugTime("Renderer.Light1") {
AppLoader.measureDebugTime("Renderer.LightTotal") {
// Round 2
for (y in for_y_end + overscan_open downTo for_y_start) {
for (x in for_x_start - overscan_open..for_x_end) {
setLightOf(lightmap, x, y, calculate(x, y))
calculateAndAssign(lightmap, x, y)
}
}
}
// Round 3
AppLoader.measureDebugTime("Renderer.Light2") {
for (y in for_y_end + overscan_open downTo for_y_start) {
// Round 3
/*for (y in for_y_end + overscan_open downTo for_y_start) {
for (x in for_x_end + overscan_open downTo for_x_start) {
setLightOf(lightmap, x, y, calculate(x, y))
calculateAndAssign(lightmap, x, y)
}
}
}
// Round 4
AppLoader.measureDebugTime("Renderer.Light3") {
}*/
// Round 4
for (y in for_y_start - overscan_open..for_y_end) {
for (x in for_x_end + overscan_open downTo for_x_start) {
setLightOf(lightmap, x, y, calculate(x, y))
calculateAndAssign(lightmap, x, y)
}
}
}
// Round 1
AppLoader.measureDebugTime("Renderer.Light4") {
for (y in for_y_start - overscan_open..for_y_end) {
// Round 1
/*for (y in for_y_start - overscan_open..for_y_end) {
for (x in for_x_start - overscan_open..for_x_end) {
setLightOf(lightmap, x, y, calculate(x, y))
calculateAndAssign(lightmap, x, y)
}
}*/
// Round 2 again
for (y in for_y_end + overscan_open downTo for_y_start) {
for (x in for_x_start - overscan_open..for_x_end) {
calculateAndAssign(lightmap, x, y)
}
}
}
AppLoader.addDebugTime("Renderer.LightTotal",
"Renderer.Light1",
"Renderer.Light2",
"Renderer.Light3",
"Renderer.Light4",
"Renderer.Light0"
)
}
else if (world.worldIndex != -1) { // to avoid updating on the null world
val buf = AtomicReferenceArray<Color>(lightmap.size)
AppLoader.measureDebugTime("Renderer.LightPrlPre") {
// update the content of buf using maxBlend -- it's not meant for overwrite
updateMessages.forEachIndexed { index, msg ->
ThreadParallel.map(index, "Light") {
// for the message slices...
msg.forEach { m ->
// update the content of buf using maxBlend -- it's not meant for overwrite
buf.getAndUpdate(m.y * LIGHTMAP_WIDTH + m.x) { oldCol ->
val ux = m.x + for_x_start - overscan_open
val uy = m.y + for_y_start - overscan_open
(oldCol ?: colourNull).cpy().maxAndAssign(calculate(ux, uy))
}
}
}
}
}
AppLoader.measureDebugTime("Renderer.LightPrlRun") {
ThreadParallel.startAllWaitForDie()
}
AppLoader.measureDebugTime("Renderer.LightPrlPost") {
// copy to lightmap
for (k in 0 until lightmap.size) {
lightmap[k] = buf.getPlain(k) ?: colourNull
}
}
AppLoader.addDebugTime("Renderer.LightTotal",
"Renderer.LightPrlPre",
"Renderer.LightPrlRun",
"Renderer.LightPrlPost"
)
TODO()
}
}
else {
@@ -584,7 +535,7 @@ object LightmapRenderer {
/**
* Calculates the light simulation, using main lightmap as one of the input.
*/
private fun calculate(x: Int, y: Int): Color {
private fun calculateAndAssign(lightmap: Array<Color>, x: Int, y: Int) {
// TODO is JEP 338 released yet?
@@ -618,7 +569,8 @@ object LightmapRenderer {
/* * */lightLevelThis.maxAndAssign(darkenColoured(getLightInternal(x + 1, y) ?: colourNull, thisTileOpacity))
return lightLevelThis.cpy() // it HAS to be a cpy(), otherwise all cells gets the same instance
//return lightLevelThis.cpy() // it HAS to be a cpy(), otherwise all cells gets the same instance
setLightOf(lightmap, x, y, lightLevelThis.cpy())
}
private fun getLightForOpaque(x: Int, y: Int): Color? { // ...so that they wouldn't appear too dark
@@ -725,22 +677,6 @@ object LightmapRenderer {
data.a * (1f - darken.a * lightScalingMagic))
}
/**
* Add each channel's RGB value.
*
* @param data Raw channel value (0-255) per channel
* @param brighten (0-255) per channel
* @return brightened data (0-255) per channel
*/
fun brightenColoured(data: Color, brighten: Color): Color {
return Color(
data.r * (1f + brighten.r * lightScalingMagic),
data.g * (1f + brighten.g * lightScalingMagic),
data.b * (1f + brighten.b * lightScalingMagic),
data.a * (1f + brighten.a * lightScalingMagic)
)
}
/**
* Darken each channel by 'darken' argument
*
@@ -904,10 +840,10 @@ object LightmapRenderer {
)
/** To eliminated visible edge on the gradient when 255/1023 is exceeded */
internal fun Color.normaliseToHDR() = Color(
hdr(this.r),
hdr(this.g),
hdr(this.b),
hdr(this.a)
hdr(this.r.coerceIn(0f,1f)),
hdr(this.g.coerceIn(0f,1f)),
hdr(this.b.coerceIn(0f,1f)),
hdr(this.a.coerceIn(0f,1f))
)
private fun Color.nonZero() = this.r + this.g + this.b + this.a > epsilon