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modified light penetration to penetrate less

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Former-commit-id: 43b6fa9456ab58d6c59b738c718d0dcbe27799d1
Former-commit-id: ac3da567accddaea19ede6f7fcf59aff4cc10c9a
This commit is contained in:
Song Minjae
2016-12-20 14:37:29 +09:00
parent efbde62ac5
commit 7c84566623
3 changed files with 28 additions and 11 deletions
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33
src/net/torvald/terrarum/mapdrawer/LightmapRenderer.kt
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@@ -337,8 +337,10 @@ object LightmapRenderer {
// loop x
var x = this_x_start
while (x < this_x_end) {
// smoothing enabled
if (Terrarum.gameConfig.getAsBoolean("smoothlighting") ?: false) {
// smoothing enabled and zoom is 0.75 or greater
// (zoom of 0.5 should not smoothed, for performance)
if (Terrarum.gameConfig.getAsBoolean("smoothlighting") ?: false &&
Terrarum.ingame.screenZoom >= 0.75) {
val thisLightLevel = getLight(x, y) ?: 0
@@ -453,12 +455,20 @@ object LightmapRenderer {
* @return darkened data (0-255) per channel
*/
fun darkenColoured(data: Int, darken: Int): Int {
if (darken.toInt() < 0 || darken.toInt() >= COLOUR_RANGE_SIZE)
if (darken < 0 || darken >= COLOUR_RANGE_SIZE)
throw IllegalArgumentException("darken: out of range ($darken)")
val r = data.r() * (1f - darken.r() * 4f)
val g = data.g() * (1f - darken.g() * 4f)
val b = data.b() * (1f - darken.b() * 4f)
// use equation with magic number 6.5:
// =>> val r = data.r() * (1f + brighten.r() * 6.5f) <<=
// gives 8-visible-tile penetration of sunlight, fairly smooth,
// DOES NOT GO BELOW (2,2,2)
val r = data.r() * (1f - darken.r() * 6.5f)
val g = data.g() * (1f - darken.g() * 6.5f)
val b = data.b() * (1f - darken.b() * 6.5f)
//val r = data.r() - darken.r()
//val g = data.g() - darken.g()
//val b = data.b() - darken.b()
return constructRGBFromFloat(r.clampZero(), g.clampZero(), b.clampZero())
}
@@ -471,12 +481,15 @@ object LightmapRenderer {
* @return brightened data (0-255) per channel
*/
fun brightenColoured(data: Int, brighten: Int): Int {
if (brighten.toInt() < 0 || brighten.toInt() >= COLOUR_RANGE_SIZE)
if (brighten < 0 || brighten >= COLOUR_RANGE_SIZE)
throw IllegalArgumentException("brighten: out of range ($brighten)")
val r = data.r() * (1f + brighten.r() * 4f)
val g = data.g() * (1f + brighten.g() * 4f)
val b = data.b() * (1f + brighten.b() * 4f)
val r = data.r() * (1f + brighten.r() * 6.5f)
val g = data.g() * (1f + brighten.g() * 6.5f)
val b = data.b() * (1f + brighten.b() * 6.5f)
//val r = data.r() + brighten.r()
//val g = data.g() + brighten.g()
//val b = data.b() + brighten.b()
return constructRGBFromFloat(r.clampChannel(), g.clampChannel(), b.clampChannel())
}