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light whitewash impl

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minjaesong
2020-12-01 16:49:46 +09:00
parent 98ad0bfc6c
commit f77e65ac97
1 changed files with 31 additions and 9 deletions
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40
src/net/torvald/terrarum/worlddrawer/LightmapRendererNew.kt
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@@ -18,6 +18,7 @@ import net.torvald.terrarum.gameworld.GameWorld
import net.torvald.terrarum.modulebasegame.IngameRenderer
import net.torvald.terrarum.modulebasegame.ui.abs
import net.torvald.terrarum.realestate.LandUtil
import kotlin.math.roundToInt
import kotlin.system.exitProcess
/**
@@ -718,21 +719,40 @@ object LightmapRenderer {
val arrayX = x.convX()
val arrayY = y.convY()
val red = lightmap.getR(arrayX, arrayY)
val grn = lightmap.getG(arrayX, arrayY)
val blu = lightmap.getB(arrayX, arrayY)
val redw = (red - 1f) * (7f / 24f)
val grnw = (grn - 1f)
val bluw = (blu - 1f) * (7f / 72f)
val color = if (solidMultMagic == null)
gdxColorNull
lightBuffer.drawPixel(
x - this_x_start,
lightBuffer.height - 1 - y + this_y_start,
0
) // flip Y
else
Color(
lightmap.getR(arrayX, arrayY) * solidMultMagic,
lightmap.getG(arrayX, arrayY) * solidMultMagic,
lightmap.getB(arrayX, arrayY) * solidMultMagic,
lightBuffer.drawPixel(
x - this_x_start,
lightBuffer.height - 1 - y + this_y_start,
(maxOf(red, grnw, bluw) * solidMultMagic).hdnorm().times(255f).roundToInt().shl(24) or
(maxOf(redw, grn, bluw) * solidMultMagic).hdnorm().times(255f).roundToInt().shl(16) or
(maxOf(redw, grnw, blu) * solidMultMagic).hdnorm().times(255f).roundToInt().shl(8) or
(lightmap.getA(arrayX, arrayY) * solidMultMagic).hdnorm().times(255f).roundToInt()
) // flip Y
/*Color(
maxOf(red, grnw, bluw) * solidMultMagic,
maxOf(redw, grn, bluw) * solidMultMagic,
maxOf(redw, grnw, blu) * solidMultMagic,
lightmap.getA(arrayX, arrayY) * solidMultMagic
).normaliseToHDR()
lightBuffer.setColor(color)
lightBuffer.setColor(color)*/
//lightBuffer.drawPixel(x - this_x_start, y - this_y_start)
lightBuffer.drawPixel(x - this_x_start, lightBuffer.height - 1 - y + this_y_start) // flip Y
}
}
@@ -807,7 +827,7 @@ object LightmapRenderer {
// TODO: float LUT lookup using linear interpolation
// input: 0..1 for int 0..1023
private fun hdr(intensity: Float): Float {
fun hdr(intensity: Float): Float {
val intervalStart = (intensity * CHANNEL_MAX).floorInt()
val intervalEnd = (intensity * CHANNEL_MAX).floorInt() + 1
@@ -866,6 +886,8 @@ object LightmapRenderer {
hdr(this.a.coerceIn(0f, 1f))
)
inline fun Float.hdnorm() = hdr(this.coerceIn(0f, 1f))
private fun Cvec.nonZero() = this.r.abs() > epsilon ||
this.g.abs() > epsilon ||
this.b.abs() > epsilon ||