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more optimisation

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This commit is contained in:
minjaesong
2022-10-06 21:42:46 +09:00
parent 93ac1011e9
commit 8533f92274
3 changed files with 51 additions and 22 deletions
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24
src/net/torvald/terrarum/worlddrawer/LightmapRenderer.kt
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@@ -499,7 +499,9 @@ object LightmapRenderer {
// blend shade
_mapThisTileOpacity.max(lx, ly, shadowMap[LandUtil.getBlockAddr(world, worldX, worldY)] ?: colourNull)
_mapThisTileOpacity2.setVec(lx, ly, _mapThisTileOpacity.getVec(lx, ly).mul(1.41421356f))
// _mapThisTileOpacity2.setVec(lx, ly, _mapThisTileOpacity.getVec(lx, ly).mul(1.41421356f))
_mapThisTileOpacity.getAndSetMap(_mapThisTileOpacity2, lx, ly) { it * 1.41421356f }
// open air || luminous tile backed by sunlight
@@ -549,19 +551,19 @@ object LightmapRenderer {
private var swipeY = -1
private var swipeDiag = false
private val distFromLightSrc = Ivec4()
private fun _swipeTask(x: Int, y: Int, x2: Int, y2: Int, lightmap: UnsafeCvecArray, distFromLightSrc: Ivec4) {
private fun _swipeTask(x: Int, y: Int, x2: Int, y2: Int, lightmap: UnsafeCvecArray) {//, distFromLightSrc: Ivec4) {
if (x2 < 0 || y2 < 0 || x2 >= LIGHTMAP_WIDTH || y2 >= LIGHTMAP_HEIGHT) return
_ambientAccumulator.set(_mapLightLevelThis.getVec(x, y))
// _ambientAccumulator.set(_mapLightLevelThis.getVec(x, y))
_mapLightLevelThis.getAndSet(_ambientAccumulator, x, y)
if (!swipeDiag) {
_thisTileOpacity.set(_mapThisTileOpacity.getVec(x, y))
_ambientAccumulator.maxAndAssign(darkenColoured(x2, y2, _thisTileOpacity, lightmap, distFromLightSrc))
_mapThisTileOpacity.getAndSet(_thisTileOpacity, x, y)
_ambientAccumulator.maxAndAssign(darkenColoured(x2, y2, _thisTileOpacity, lightmap))//, distFromLightSrc))
}
else {
_thisTileOpacity2.set(_mapThisTileOpacity2.getVec(x, y))
_ambientAccumulator.maxAndAssign(darkenColoured(x2, y2, _thisTileOpacity2, lightmap, distFromLightSrc))
_mapThisTileOpacity2.getAndSet(_thisTileOpacity2, x, y)
_ambientAccumulator.maxAndAssign(darkenColoured(x2, y2, _thisTileOpacity2, lightmap))//, distFromLightSrc))
}
_mapLightLevelThis.setVec(x, y, _ambientAccumulator)
@@ -574,7 +576,7 @@ object LightmapRenderer {
// conduct the task #1
// spread towards the end
_swipeTask(swipeX, swipeY, swipeX-dx, swipeY-dy, lightmap, distFromLightSrc)
_swipeTask(swipeX, swipeY, swipeX-dx, swipeY-dy, lightmap)//, distFromLightSrc)
swipeX += dx
swipeY += dy
@@ -594,7 +596,7 @@ object LightmapRenderer {
while (swipeX*dx >= sx*dx && swipeY*dy >= sy*dy) {
// conduct the task #2
// spread towards the start
_swipeTask(swipeX, swipeY, swipeX+dx, swipeY+dy, lightmap, distFromLightSrc)
_swipeTask(swipeX, swipeY, swipeX+dx, swipeY+dy, lightmap)//, distFromLightSrc)
swipeX -= dx
swipeY -= dy
@@ -781,7 +783,7 @@ object LightmapRenderer {
* @param darken (0-255) per channel
* @return darkened data (0-255) per channel
*/
internal fun darkenColoured(x: Int, y: Int, darken: Cvec, lightmap: UnsafeCvecArray, distFromLightSrc: Ivec4 = Ivec4()): Cvec {
internal fun darkenColoured(x: Int, y: Int, darken: Cvec, lightmap: UnsafeCvecArray): Cvec {//, distFromLightSrc: Ivec4 = Ivec4()): Cvec {
// use equation with magic number 8.0
// this function, when done recursively (A_x = darken(A_x-1, C)), draws exponential curve. (R^2 = 1)