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unsafe array on lightmaprenderer: could this be possible?

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minjaesong
2019-06-08 03:33:56 +09:00
parent 9db6e86ac3
commit b16c23f1f0
2 changed files with 6 additions and 1 deletions
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5
src/net/torvald/terrarum/gameworld/BlockLayer.kt
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@@ -5,7 +5,10 @@ import net.torvald.terrarum.AppLoader.printdbg
import sun.misc.Unsafe
/**
* Created by minjaesong on 2016-01-17.
* Original version Created by minjaesong on 2016-01-17.
* Unsafe version Created by minjaesong on 2019-06-08.
*
* Note to self: refrain from using shorts--just do away with two bytes: different system have different endianness
*/
open class BlockLayer(val width: Int, val height: Int) : Disposable {

2
src/net/torvald/terrarum/worlddrawer/LightmapRendererNew.kt
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@@ -147,6 +147,7 @@ object LightmapRenderer {
val ypos = y - for_y_start + overscan_open
val xpos = x - for_x_start + overscan_open
// TODO as you can see above, we're already doing a boundary check; try using unsafe here?
return lightmap[ypos][xpos]
//return lightmap[ypos * LIGHTMAP_WIDTH + xpos]
}
@@ -174,6 +175,7 @@ object LightmapRenderer {
val ypos = y - for_y_start + overscan_open
val xpos = x - for_x_start + overscan_open
// TODO as you can see above, we're already doing a boundary check; try using unsafe here?
lightmap[ypos][xpos] = applyFun.invoke(list[ypos][xpos], colour)
//list[ypos * LIGHTMAP_WIDTH + xpos] = applyFun.invoke(list[ypos * LIGHTMAP_WIDTH + xpos], colour)
}