mirror of
https://github.com/curioustorvald/Terrarum.git
synced 2026-06-13 12:04:06 +09:00
775 lines
35 KiB
Kotlin
775 lines
35 KiB
Kotlin
package net.torvald.terrarum.worlddrawer
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import com.badlogic.gdx.graphics.Color
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import com.badlogic.gdx.graphics.g2d.SpriteBatch
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import com.jme3.math.FastMath
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import net.torvald.terrarum.Terrarum
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import net.torvald.terrarum.blockproperties.Block
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import net.torvald.terrarum.blockproperties.BlockCodex
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import net.torvald.terrarum.fillRect
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import net.torvald.terrarum.floorInt
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import net.torvald.terrarum.gameactors.ActorWBMovable
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import net.torvald.terrarum.gameactors.Luminous
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import net.torvald.terrarum.gameworld.GameWorld
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import net.torvald.terrarum.modulebasegame.IngameRenderer
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import java.util.*
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/**
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* Warning: you are not going to store float value to the lightmap -- see RGB_HDR_LUT (beziér)
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*
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* Created by minjaesong on 2016-01-25.
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*/
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//typealias RGB10 = Int
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// NOTE: no Float16 on this thing: 67 kB of memory footage is totally acceptable
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object LightmapRendererOld {
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lateinit var world: GameWorld
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// TODO if (VBO works on BlocksDrawer) THEN overscan of 256, utilise same technique in here
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val overscan_open: Int = 32
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val overscan_opaque: Int = 8
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init {
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println("[LightmapRenderer] Overscan open: $overscan_open; opaque: $overscan_opaque")
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}
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// TODO resize(int, int) -aware
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val LIGHTMAP_WIDTH = (Terrarum.ingame?.ZOOM_MINIMUM ?: 1f).inv().times(Terrarum.WIDTH)
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.div(FeaturesDrawer.TILE_SIZE).ceil() + overscan_open * 2 + 3
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val LIGHTMAP_HEIGHT = (Terrarum.ingame?.ZOOM_MINIMUM ?: 1f).inv().times(Terrarum.HEIGHT)
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.div(FeaturesDrawer.TILE_SIZE).ceil() + overscan_open * 2 + 3
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/**
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* Float value, 1.0 for 1023
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*/
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// TODO utilise alpha channel to determine brightness of "glow" sprites (so that alpha channel works like UV light)
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private val lightmap: Array<Array<Color>> = Array(LIGHTMAP_HEIGHT) { Array(LIGHTMAP_WIDTH, { Color(0f,0f,0f,0f) }) } // TODO framebuffer?
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private val lanternMap = ArrayList<Lantern>((Terrarum.ingame?.ACTORCONTAINER_INITIAL_SIZE ?: 2) * 4)
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private val AIR = Block.AIR
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private const val TILE_SIZE = FeaturesDrawer.TILE_SIZE
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private val DRAW_TILE_SIZE: Float = FeaturesDrawer.TILE_SIZE / IngameRenderer.lightmapDownsample
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// color model related constants
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const val MUL = 1024 // modify this to 1024 to implement 30-bit RGB
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const val CHANNEL_MAX_DECIMAL = 1f
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const val MUL_2 = MUL * MUL
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const val CHANNEL_MAX = MUL - 1
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const val CHANNEL_MAX_FLOAT = CHANNEL_MAX.toFloat()
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const val COLOUR_RANGE_SIZE = MUL * MUL_2
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const val MUL_FLOAT = MUL / 256f
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const val DIV_FLOAT = 256f / MUL
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internal var for_x_start: Int = 0
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internal var for_y_start: Int = 0
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internal var for_x_end: Int = 0
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internal var for_y_end: Int = 0
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//inline fun getLightRawPos(x: Int, y: Int) = lightmap[y][x]
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/**
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* Conventional level (multiplied by four)
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*/
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fun getLight(x: Int, y: Int): Color? {
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val col = getLightInternal(x, y)
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if (col == null) {
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return null
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}
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else {
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return Color(col.r * MUL_FLOAT, col.g * MUL_FLOAT, col.b * MUL_FLOAT, col.a * MUL_FLOAT)
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}
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}
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private fun getLightInternal(x: Int, y: Int): Color? {
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if (y - for_y_start + overscan_open in 0..lightmap.lastIndex &&
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x - for_x_start + overscan_open in 0..lightmap[0].lastIndex) {
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return lightmap[y - for_y_start + overscan_open][x - for_x_start + overscan_open]
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}
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return null
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}
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private fun setLight(x: Int, y: Int, colour: Color) {
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if (y - for_y_start + overscan_open in 0..lightmap.lastIndex &&
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x - for_x_start + overscan_open in 0..lightmap[0].lastIndex) {
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lightmap[y - for_y_start + overscan_open][x - for_x_start + overscan_open] = colour
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}
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}
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fun fireRecalculateEventtt() {
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}
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fun fireRecalculateEvent() {
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for_x_start = WorldCamera.x / TILE_SIZE - 1 // fix for premature lightmap rendering
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for_y_start = WorldCamera.y / TILE_SIZE - 1 // on topmost/leftmost side
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for_x_end = for_x_start + WorldCamera.width / TILE_SIZE + 3
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for_y_end = for_y_start + WorldCamera.height / TILE_SIZE + 2 // same fix as above
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/**
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* * true: overscanning is limited to 8 tiles in width (overscan_opaque)
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* * false: overscanning will fully applied to 32 tiles in width (overscan_open)
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*/
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/*val rect_width = for_x_end - for_x_start
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val rect_height_rem_hbars = for_y_end - for_y_start - 2
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val noop_mask = BitSet(2 * (rect_width) +
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2 * (rect_height_rem_hbars))
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val rect_size = noop_mask.size()
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// get No-op mask
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fun edgeToMaskNum(i: Int): Pair<Int, Int> {
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if (i > rect_size) throw IllegalArgumentException()
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if (i < rect_width) // top edge horizontal
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return Pair(for_x_start + i, for_y_start)
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else if (i >= rect_size - rect_width) // bottom edge horizontal
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return Pair(
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for_x_start + i.minus(rect_size - rect_width),
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for_y_end
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)
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else { // vertical edges without horizontal edge pair
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return Pair(
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if ((rect_width.even() && i.even()) || (rect_width.odd() && i.odd()))
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// if the index is on the left side of the box
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for_x_start
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else for_x_end,
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(i - rect_width).div(2) + for_y_start + 1
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)
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}
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}
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fun posToMaskNum(x: Int, y: Int): Int? {
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if (x in for_x_start + 1..for_x_end - 1 && y in for_y_start + 1..for_y_end - 1) {
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return null // inside of this imaginary box
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}
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else if (y <= for_y_start) { // upper edge
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if (x < for_x_start) return 0
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else if (x > for_x_end) return rect_width - 1
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else return x - for_x_start
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}
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else if (y >= for_y_end) { // lower edge
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if (x < for_x_start) return rect_size - rect_width
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else if (x > for_x_end) return rect_size - 1
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else return x - for_x_start + (rect_size - rect_width)
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}
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else { // between two edges
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if (x < for_x_start) return (y - for_y_start - 1) * 2 + rect_width
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else if (x > for_x_end) return (y - for_y_start - 1) * 2 + rect_width + 1
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else return null
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}
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}
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fun isNoop(x: Int, y: Int): Boolean =
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if (posToMaskNum(x, y) == null)
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false
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else if (!(x in for_x_start - overscan_opaque..for_x_end + overscan_opaque &&
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x in for_y_start - overscan_opaque..for_y_end + overscan_opaque))
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// point is within the range of overscan_open but not overscan_opaque
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noop_mask.get(posToMaskNum(x, y)!!)
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else // point within the overscan_opaque must be rendered, so no no-op
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false
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// build noop map
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for (i in 0..rect_size) {
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val point = edgeToMaskNum(i)
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val tile = world.getTileFromTerrain(point.first, point.second) ?: Block.NULL
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val isSolid = BlockCodex[tile].isSolid
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noop_mask.set(i, isSolid)
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}*/
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/**
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* Updating order:
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* +--------+ +--+-----+ +-----+--+ +--------+ -
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* |↘ | | | 3| |3 | | | ↙| ↕︎ overscan_open / overscan_opaque
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* | +-----+ | | 2 | | 2 | | +-----+ | - depending on the noop_mask
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* | |1 | → | |1 | → | 1| | → | 1| |
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* | | 2 | | +-----+ +-----+ | | 2 | |
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* | | 3| |↗ | | ↖| |3 | |
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* +--+-----+ +--------+ +--------+ +-----+--+
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* round: 1 2 3 4
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* for all lightmap[y][x]
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*/
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purgeLightmap()
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buildLanternmap()
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// O(36n) == O(n) where n is a size of the map.
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// Because of inevitable overlaps on the area, it only works with ADDITIVE blend (aka maxblend)
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// Round 1
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for (y in for_y_start - overscan_open..for_y_end) {
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for (x in for_x_start - overscan_open..for_x_end) {
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setLight(x, y, calculate(x, y, 1))
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}
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}
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// Round 2
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for (y in for_y_end + overscan_open downTo for_y_start) {
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for (x in for_x_start - overscan_open..for_x_end) {
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setLight(x, y, calculate(x, y, 2))
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}
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}
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// Round 3
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for (y in for_y_end + overscan_open downTo for_y_start) {
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for (x in for_x_end + overscan_open downTo for_x_start) {
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setLight(x, y, calculate(x, y, 3))
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}
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}
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// Round 4
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for (y in for_y_start - overscan_open..for_y_end) {
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for (x in for_x_end + overscan_open downTo for_x_start) {
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setLight(x, y, calculate(x, y, 4))
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}
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}
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}
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private fun buildLanternmap() {
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lanternMap.clear()
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Terrarum.ingame?.let {
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it.actorContainer.forEach { it ->
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if (it is Luminous && it is ActorWBMovable) {
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// put lanterns to the area the luminantBox is occupying
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for (lightBox in it.lightBoxList) {
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val lightBoxX = it.hitbox.startX + lightBox.startX
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val lightBoxY = it.hitbox.startY + lightBox.startY
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val lightBoxW = lightBox.width
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val lightBoxH = lightBox.height
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for (y in lightBoxY.div(TILE_SIZE).floorInt()
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..lightBoxY.plus(lightBoxH).div(TILE_SIZE).floorInt()) {
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for (x in lightBoxX.div(TILE_SIZE).floorInt()
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..lightBoxX.plus(lightBoxW).div(TILE_SIZE).floorInt()) {
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val normalisedColor = it.color.cpy().mul(DIV_FLOAT)
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lanternMap.add(Lantern(x, y, normalisedColor))
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// Q&D fix for Roundworld anomaly
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lanternMap.add(Lantern(x + world.width, y, normalisedColor))
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lanternMap.add(Lantern(x - world.width, y, normalisedColor))
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}
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}
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}
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}
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}
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}
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}
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private var ambientAccumulator = Color(0f,0f,0f,0f)
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private var lightLevelThis = Color(0f,0f,0f,0f)
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private var thisTerrain = 0
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private var thisWall = 0
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private var thisTileLuminosity = Color(0f,0f,0f,0f)
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private var thisTileOpacity = Color(0f,0f,0f,0f)
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private var sunLight = Color(0f,0f,0f,0f)
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private fun calculate(x: Int, y: Int, pass: Int): Color = calculate(x, y, pass, false)
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private fun calculate(x: Int, y: Int, pass: Int, doNotCalculateAmbient: Boolean): Color {
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// O(9n) == O(n) where n is a size of the map
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// TODO devise multithreading on this
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ambientAccumulator = Color(0f,0f,0f,0f)
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lightLevelThis = Color(0f,0f,0f,0f)
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thisTerrain = world.getTileFromTerrain(x, y) ?: Block.STONE
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thisWall = world.getTileFromWall(x, y) ?: Block.STONE
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thisTileLuminosity = BlockCodex[thisTerrain].luminosity // already been div by four
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thisTileOpacity = BlockCodex[thisTerrain].opacity // already been div by four
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sunLight = world.globalLight.cpy().mul(DIV_FLOAT)
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// MIX TILE
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// open air
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if (thisTerrain == AIR && thisWall == AIR) {
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lightLevelThis = sunLight
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}
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// luminous tile on top of air
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else if (thisWall == AIR && thisTileLuminosity.nonZero()) {
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lightLevelThis = sunLight maxBlend thisTileLuminosity // maximise to not exceed 1.0 with normal (<= 1.0) light
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}
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// opaque wall and luminous tile
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else if (thisWall != AIR && thisTileLuminosity.nonZero()) {
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lightLevelThis = thisTileLuminosity
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}
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// END MIX TILE
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for (i in 0 until lanternMap.size) {
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val lmap = lanternMap[i]
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if (lmap.posX == x && lmap.posY == y)
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lightLevelThis = lightLevelThis maxBlend lmap.color // maximise to not exceed 1.0 with normal (<= 1.0) light
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}
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if (!doNotCalculateAmbient) {
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// calculate ambient
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/* + * +
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* * @ *
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* + * +
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* sample ambient for eight points and apply attenuation for those
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* maxblend eight values and use it
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*/
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/* + */ambientAccumulator = ambientAccumulator maxBlend darkenColoured(getLightInternal(x - 1, y - 1) ?: Color(0f,0f,0f,0f), scaleSqrt2(thisTileOpacity))
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/* + */ambientAccumulator = ambientAccumulator maxBlend darkenColoured(getLightInternal(x + 1, y - 1) ?: Color(0f,0f,0f,0f), scaleSqrt2(thisTileOpacity))
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/* + */ambientAccumulator = ambientAccumulator maxBlend darkenColoured(getLightInternal(x - 1, y + 1) ?: Color(0f,0f,0f,0f), scaleSqrt2(thisTileOpacity))
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/* + */ambientAccumulator = ambientAccumulator maxBlend darkenColoured(getLightInternal(x + 1, y + 1) ?: Color(0f,0f,0f,0f), scaleSqrt2(thisTileOpacity))
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/* * */ambientAccumulator = ambientAccumulator maxBlend darkenColoured(getLightInternal(x , y - 1) ?: Color(0f,0f,0f,0f), thisTileOpacity)
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/* * */ambientAccumulator = ambientAccumulator maxBlend darkenColoured(getLightInternal(x , y + 1) ?: Color(0f,0f,0f,0f), thisTileOpacity)
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/* * */ambientAccumulator = ambientAccumulator maxBlend darkenColoured(getLightInternal(x - 1, y ) ?: Color(0f,0f,0f,0f), thisTileOpacity)
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/* * */ambientAccumulator = ambientAccumulator maxBlend darkenColoured(getLightInternal(x + 1, y ) ?: Color(0f,0f,0f,0f), thisTileOpacity)
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val ret = lightLevelThis maxBlend ambientAccumulator
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return ret
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}
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else {
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val ret = lightLevelThis
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return ret
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}
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}
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private fun getLightForOpaque(x: Int, y: Int): Color? { // ...so that they wouldn't appear too dark
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val l = getLightInternal(x, y)
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if (l == null) return null
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if (BlockCodex[world.getTileFromTerrain(x, y)].isSolid) {
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return Color(
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(l.r * 1.25f),//.clampOne(),
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(l.g * 1.25f),//.clampOne(),
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(l.b * 1.25f),//.clampOne()
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(l.a * 1.25f)
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)
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}
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else {
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return l
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}
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}
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const val DRAW_FOR_RGB = 0xFFF0
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const val DRAW_FOR_ALPHA = 0x000F
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fun draw(batch: SpriteBatch, drawMode: Int) {
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val this_x_start = for_x_start// + overscan_open
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val this_x_end = for_x_end// + overscan_open
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val this_y_start = for_y_start// + overscan_open
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val this_y_end = for_y_end// + overscan_open
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val originalColour = batch.color.cpy()
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// draw to the
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try {
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// loop for "scanlines"
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for (y in this_y_start..this_y_end) {
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// loop x
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var x = this_x_start
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while (x < this_x_end) {
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try {
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val thisLightLevel = getLightForOpaque(x, y)
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// coalesce identical intensity blocks to one
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var sameLevelCounter = 1
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while (getLightForOpaque(x + sameLevelCounter, y) == thisLightLevel) {
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sameLevelCounter += 1
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if (x + sameLevelCounter >= this_x_end) break
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}
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if (drawMode == DRAW_FOR_RGB) {
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batch.color = (getLightForOpaque(x, y) ?: Color(0f,0f,0f,0f)).normaliseToColourHDR()
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}
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else if (drawMode == DRAW_FOR_ALPHA) {
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batch.color = (getLightForOpaque(x, y) ?: Color(0f,0f,0f,0f)).normaliseToAlphaHDR()
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}
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batch.fillRect(
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x * DRAW_TILE_SIZE,
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y * DRAW_TILE_SIZE,
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(DRAW_TILE_SIZE * sameLevelCounter).ceil().toFloat(),// + 1f,
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DRAW_TILE_SIZE.ceil().toFloat()// + 1f
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)
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x += sameLevelCounter - 1
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}
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catch (e: ArrayIndexOutOfBoundsException) {
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// do nothing
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}
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x++
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}
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}
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}
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catch (e: ArrayIndexOutOfBoundsException) {
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}
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batch.color = originalColour
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}
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val lightScalingMagic = 8f
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/**
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* Subtract each channel's RGB value.
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*
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* @param data Raw channel value (0-255) per channel
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* @param darken (0-255) per channel
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* @return darkened data (0-255) per channel
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*/
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fun darkenColoured(data: Color, darken: Color): Color {
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// use equation with magic number 8.0
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// should draw somewhat exponential curve when you plot the propagation of light in-game
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return Color(
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data.r * (1f - darken.r * lightScalingMagic),//.clampZero(),
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data.g * (1f - darken.g * lightScalingMagic),//.clampZero(),
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data.b * (1f - darken.b * lightScalingMagic),//.clampZero(),
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data.a * (1f - darken.a * lightScalingMagic))
|
|
}
|
|
|
|
private fun scaleSqrt2(data: Color): Color {
|
|
return Color(
|
|
data.r * 1.41421356f,
|
|
data.g * 1.41421356f,
|
|
data.b * 1.41421356f,
|
|
data.a * 1.41421356f)
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
*
|
|
* @param data Raw channel value (0-255) per channel
|
|
* @param darken (0-255)
|
|
* @return
|
|
*/
|
|
fun darkenUniformInt(data: Color, darken: Float): Color {
|
|
if (darken < 0 || darken > CHANNEL_MAX)
|
|
throw IllegalArgumentException("darken: out of range ($darken)")
|
|
|
|
val darkenColoured = Color(darken, darken, darken, darken)
|
|
return darkenColoured(data, darkenColoured)
|
|
}
|
|
|
|
/**
|
|
* Darken or brighten colour by 'brighten' argument
|
|
*
|
|
* @param data Raw channel value (0-255) per channel
|
|
* @param brighten (-1.0 - 1.0) negative means darkening
|
|
* @return processed colour
|
|
*/
|
|
fun alterBrightnessUniform(data: Color, brighten: Float): Color {
|
|
return Color(
|
|
data.r + brighten,
|
|
data.g + brighten,
|
|
data.b + brighten,
|
|
data.a + brighten
|
|
)
|
|
}
|
|
|
|
/** Get each channel from two RGB values, return new RGB that has max value of each channel
|
|
* @param rgb
|
|
* @param rgb2
|
|
* @return
|
|
*/
|
|
infix fun Color.maxBlend(other: Color): Color {
|
|
return Color(
|
|
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
|
|
)
|
|
}
|
|
|
|
|
|
/*inline fun RGB10.rawR() = this.ushr(20) and 1023
|
|
inline fun RGB10.rawG() = this.ushr(10) and 1023
|
|
inline fun RGB10.rawB() = this and 1023
|
|
|
|
/** 0.0 - 1.0 for 0-1023 (0.0 - 0.25 for 0-255) */
|
|
inline fun RGB10.r(): Float = this.rawR() / CHANNEL_MAX_FLOAT
|
|
inline fun RGB10.g(): Float = this.rawG() / CHANNEL_MAX_FLOAT
|
|
inline fun RGB10.b(): Float = this.rawB() / CHANNEL_MAX_FLOAT*/
|
|
|
|
|
|
/*inline fun constructRGBFromInt(r: Int, g: Int, b: Int): RGB10 {
|
|
//if (r !in 0..CHANNEL_MAX) throw IllegalArgumentException("Red: out of range ($r)")
|
|
//if (g !in 0..CHANNEL_MAX) throw IllegalArgumentException("Green: out of range ($g)")
|
|
//if (b !in 0..CHANNEL_MAX) throw IllegalArgumentException("Blue: out of range ($b)")
|
|
|
|
return r.shl(20) or
|
|
g.shl(10) or
|
|
b
|
|
}*/
|
|
|
|
/*inline fun constructRGBFromFloat(r: Float, g: Float, b: Float): RGB10 {
|
|
//if (r < 0 || r > CHANNEL_MAX_DECIMAL) throw IllegalArgumentException("Red: out of range ($r)")
|
|
//if (g < 0 || g > CHANNEL_MAX_DECIMAL) throw IllegalArgumentException("Green: out of range ($g)")
|
|
//if (b < 0 || b > CHANNEL_MAX_DECIMAL) throw IllegalArgumentException("Blue: out of range ($b)")
|
|
|
|
return (r * CHANNEL_MAX).round().shl(20) or
|
|
(g * CHANNEL_MAX).round().shl(10) or
|
|
(b * CHANNEL_MAX).round()
|
|
}*/
|
|
|
|
fun Int.clampZero() = if (this < 0) 0 else this
|
|
fun Float.clampZero() = if (this < 0) 0f else this
|
|
fun Int.clampChannel() = if (this < 0) 0 else if (this > CHANNEL_MAX) CHANNEL_MAX else this
|
|
fun Float.clampOne() = if (this < 0) 0f else if (this > 1) 1f else this
|
|
fun Float.clampChannel() = if (this > CHANNEL_MAX_DECIMAL) CHANNEL_MAX_DECIMAL else this
|
|
|
|
fun getHighestRGB(x: Int, y: Int): Float? {
|
|
val value = getLightInternal(x, y)
|
|
if (value == null)
|
|
return null
|
|
else
|
|
return FastMath.max(value.r, value.g, value.b)
|
|
}
|
|
|
|
fun getHighestRGBA(x: Int, y: Int): Float? {
|
|
val value = getLightInternal(x, y)
|
|
if (value == null)
|
|
return null
|
|
else
|
|
return FastMath.max(value.r, value.g, value.b, value.a)
|
|
}
|
|
|
|
private fun purgeLightmap() {
|
|
for (y in 0..LIGHTMAP_HEIGHT - 1) {
|
|
for (x in 0..LIGHTMAP_WIDTH - 1) {
|
|
lightmap[y][x] = Color(0f,0f,0f,0f)
|
|
}
|
|
}
|
|
}
|
|
|
|
infix fun Float.powerOf(f: Float) = FastMath.pow(this, f)
|
|
private fun Float.sqr() = this * this
|
|
private fun Float.sqrt() = FastMath.sqrt(this)
|
|
private fun Float.inv() = 1f / this
|
|
fun Float.floor() = FastMath.floor(this)
|
|
fun Double.floorInt() = Math.floor(this).toInt()
|
|
fun Float.round(): Int = Math.round(this)
|
|
fun Double.round(): Int = Math.round(this).toInt()
|
|
fun Float.ceil() = FastMath.ceil(this)
|
|
fun Int.even(): Boolean = this and 1 == 0
|
|
fun Int.odd(): Boolean = this and 1 == 1
|
|
|
|
// TODO: float LUT lookup using linear interpolation
|
|
|
|
// input: 0..1 for int 0..1023
|
|
fun hdr(intensity: Float): Float {
|
|
val intervalStart = (intensity * MUL).floorInt()
|
|
val intervalEnd = minOf(rgbHDRLookupTable.lastIndex, (intensity * MUL).floorInt() + 1)
|
|
|
|
if (intervalStart == intervalEnd) return rgbHDRLookupTable[intervalStart]
|
|
|
|
val intervalPos = (intensity * MUL) - (intensity * MUL).toInt()
|
|
|
|
return interpolateLinear(
|
|
intervalPos,
|
|
rgbHDRLookupTable[intervalStart],
|
|
rgbHDRLookupTable[intervalEnd]
|
|
)
|
|
}
|
|
|
|
val rgbHDRLookupTable = floatArrayOf( // polynomial of 6.0 please refer to work_files/HDRcurveBezierLinIntp.kts
|
|
0.0000f,0.0000f,0.0020f,0.0060f,0.0100f,0.0139f,0.0179f,0.0219f,0.0259f,0.0299f,0.0338f,0.0378f,0.0418f,0.0458f,0.0497f,0.0537f,
|
|
0.0577f,0.0617f,0.0656f,0.0696f,0.0736f,0.0776f,0.0816f,0.0855f,0.0895f,0.0935f,0.0975f,0.1014f,0.1054f,0.1094f,0.1134f,0.1173f,
|
|
0.1213f,0.1253f,0.1293f,0.1332f,0.1372f,0.1412f,0.1451f,0.1491f,0.1531f,0.1571f,0.1610f,0.1650f,0.1690f,0.1730f,0.1769f,0.1809f,
|
|
0.1849f,0.1888f,0.1928f,0.1968f,0.2007f,0.2047f,0.2087f,0.2127f,0.2166f,0.2206f,0.2246f,0.2285f,0.2325f,0.2365f,0.2404f,0.2444f,
|
|
0.2484f,0.2523f,0.2563f,0.2602f,0.2642f,0.2682f,0.2721f,0.2761f,0.2800f,0.2840f,0.2880f,0.2919f,0.2959f,0.2998f,0.3038f,0.3078f,
|
|
0.3117f,0.3157f,0.3196f,0.3236f,0.3275f,0.3315f,0.3354f,0.3394f,0.3433f,0.3472f,0.3512f,0.3551f,0.3591f,0.3630f,0.3669f,0.3709f,
|
|
0.3748f,0.3788f,0.3827f,0.3866f,0.3905f,0.3945f,0.3984f,0.4023f,0.4062f,0.4101f,0.4141f,0.4180f,0.4219f,0.4258f,0.4297f,0.4336f,
|
|
0.4375f,0.4414f,0.4453f,0.4491f,0.4530f,0.4569f,0.4608f,0.4647f,0.4685f,0.4724f,0.4762f,0.4801f,0.4839f,0.4878f,0.4916f,0.4954f,
|
|
0.4993f,0.5031f,0.5069f,0.5107f,0.5145f,0.5183f,0.5220f,0.5258f,0.5296f,0.5333f,0.5371f,0.5408f,0.5445f,0.5482f,0.5520f,0.5556f,
|
|
0.5593f,0.5630f,0.5667f,0.5703f,0.5739f,0.5776f,0.5812f,0.5848f,0.5883f,0.5919f,0.5955f,0.5990f,0.6025f,0.6060f,0.6095f,0.6130f,
|
|
0.6164f,0.6199f,0.6233f,0.6267f,0.6300f,0.6334f,0.6367f,0.6401f,0.6433f,0.6466f,0.6499f,0.6531f,0.6563f,0.6595f,0.6627f,0.6658f,
|
|
0.6689f,0.6720f,0.6751f,0.6781f,0.6811f,0.6841f,0.6871f,0.6901f,0.6930f,0.6959f,0.6987f,0.7016f,0.7044f,0.7072f,0.7100f,0.7127f,
|
|
0.7154f,0.7181f,0.7208f,0.7234f,0.7260f,0.7286f,0.7311f,0.7337f,0.7362f,0.7386f,0.7411f,0.7435f,0.7459f,0.7483f,0.7506f,0.7530f,
|
|
0.7553f,0.7575f,0.7598f,0.7620f,0.7642f,0.7664f,0.7685f,0.7706f,0.7727f,0.7748f,0.7769f,0.7789f,0.7809f,0.7829f,0.7849f,0.7868f,
|
|
0.7887f,0.7906f,0.7925f,0.7944f,0.7962f,0.7980f,0.7998f,0.8016f,0.8033f,0.8051f,0.8068f,0.8085f,0.8101f,0.8118f,0.8134f,0.8150f,
|
|
0.8166f,0.8182f,0.8198f,0.8213f,0.8229f,0.8244f,0.8259f,0.8274f,0.8288f,0.8303f,0.8317f,0.8331f,0.8345f,0.8359f,0.8373f,0.8386f,
|
|
0.8400f,0.8413f,0.8426f,0.8439f,0.8452f,0.8465f,0.8477f,0.8490f,0.8502f,0.8514f,0.8526f,0.8538f,0.8550f,0.8562f,0.8573f,0.8585f,
|
|
0.8596f,0.8608f,0.8619f,0.8630f,0.8641f,0.8651f,0.8662f,0.8673f,0.8683f,0.8693f,0.8704f,0.8714f,0.8724f,0.8734f,0.8744f,0.8754f,
|
|
0.8763f,0.8773f,0.8782f,0.8792f,0.8801f,0.8811f,0.8820f,0.8829f,0.8838f,0.8847f,0.8856f,0.8864f,0.8873f,0.8882f,0.8890f,0.8899f,
|
|
0.8907f,0.8915f,0.8923f,0.8932f,0.8940f,0.8948f,0.8956f,0.8963f,0.8971f,0.8979f,0.8987f,0.8994f,0.9002f,0.9009f,0.9017f,0.9024f,
|
|
0.9031f,0.9039f,0.9046f,0.9053f,0.9060f,0.9067f,0.9074f,0.9081f,0.9087f,0.9094f,0.9101f,0.9108f,0.9114f,0.9121f,0.9127f,0.9134f,
|
|
0.9140f,0.9146f,0.9153f,0.9159f,0.9165f,0.9171f,0.9177f,0.9184f,0.9190f,0.9195f,0.9201f,0.9207f,0.9213f,0.9219f,0.9225f,0.9230f,
|
|
0.9236f,0.9242f,0.9247f,0.9253f,0.9258f,0.9264f,0.9269f,0.9274f,0.9280f,0.9285f,0.9290f,0.9296f,0.9301f,0.9306f,0.9311f,0.9316f,
|
|
0.9321f,0.9326f,0.9331f,0.9336f,0.9341f,0.9346f,0.9351f,0.9355f,0.9360f,0.9365f,0.9370f,0.9374f,0.9379f,0.9383f,0.9388f,0.9393f,
|
|
0.9397f,0.9402f,0.9406f,0.9410f,0.9415f,0.9419f,0.9423f,0.9428f,0.9432f,0.9436f,0.9440f,0.9445f,0.9449f,0.9453f,0.9457f,0.9461f,
|
|
0.9465f,0.9469f,0.9473f,0.9477f,0.9481f,0.9485f,0.9489f,0.9493f,0.9497f,0.9501f,0.9504f,0.9508f,0.9512f,0.9516f,0.9519f,0.9523f,
|
|
0.9527f,0.9530f,0.9534f,0.9537f,0.9541f,0.9545f,0.9548f,0.9552f,0.9555f,0.9559f,0.9562f,0.9565f,0.9569f,0.9572f,0.9576f,0.9579f,
|
|
0.9582f,0.9586f,0.9589f,0.9592f,0.9595f,0.9599f,0.9602f,0.9605f,0.9608f,0.9611f,0.9614f,0.9617f,0.9621f,0.9624f,0.9627f,0.9630f,
|
|
0.9633f,0.9636f,0.9639f,0.9642f,0.9645f,0.9648f,0.9650f,0.9653f,0.9656f,0.9659f,0.9662f,0.9665f,0.9668f,0.9670f,0.9673f,0.9676f,
|
|
0.9679f,0.9681f,0.9684f,0.9687f,0.9690f,0.9692f,0.9695f,0.9697f,0.9700f,0.9703f,0.9705f,0.9708f,0.9711f,0.9713f,0.9716f,0.9718f,
|
|
0.9721f,0.9723f,0.9726f,0.9728f,0.9731f,0.9733f,0.9735f,0.9738f,0.9740f,0.9743f,0.9745f,0.9747f,0.9750f,0.9752f,0.9754f,0.9757f,
|
|
0.9759f,0.9761f,0.9764f,0.9766f,0.9768f,0.9770f,0.9773f,0.9775f,0.9777f,0.9779f,0.9781f,0.9784f,0.9786f,0.9788f,0.9790f,0.9792f,
|
|
0.9794f,0.9796f,0.9799f,0.9801f,0.9803f,0.9805f,0.9807f,0.9809f,0.9811f,0.9813f,0.9815f,0.9817f,0.9819f,0.9821f,0.9823f,0.9825f,
|
|
0.9827f,0.9829f,0.9831f,0.9832f,0.9834f,0.9836f,0.9838f,0.9840f,0.9842f,0.9844f,0.9846f,0.9847f,0.9849f,0.9851f,0.9853f,0.9855f,
|
|
0.9856f,0.9858f,0.9860f,0.9862f,0.9864f,0.9865f,0.9867f,0.9869f,0.9870f,0.9872f,0.9874f,0.9876f,0.9877f,0.9879f,0.9881f,0.9882f,
|
|
0.9884f,0.9886f,0.9887f,0.9889f,0.9890f,0.9892f,0.9894f,0.9895f,0.9897f,0.9898f,0.9900f,0.9901f,0.9903f,0.9905f,0.9906f,0.9908f,
|
|
0.9909f,0.9911f,0.9912f,0.9914f,0.9915f,0.9917f,0.9918f,0.9920f,0.9921f,0.9922f,0.9924f,0.9925f,0.9927f,0.9928f,0.9930f,0.9931f,
|
|
0.9932f,0.9934f,0.9935f,0.9937f,0.9938f,0.9939f,0.9941f,0.9942f,0.9943f,0.9945f,0.9946f,0.9947f,0.9949f,0.9950f,0.9951f,0.9953f,
|
|
0.9954f,0.9955f,0.9957f,0.9958f,0.9959f,0.9960f,0.9962f,0.9963f,0.9964f,0.9965f,0.9967f,0.9968f,0.9969f,0.9970f,0.9971f,0.9973f,
|
|
0.9974f,0.9975f,0.9976f,0.9977f,0.9978f,0.9980f,0.9981f,0.9982f,0.9983f,0.9984f,0.9985f,0.9987f,0.9988f,0.9989f,0.9990f,0.9991f,
|
|
0.9992f,0.9993f,0.9994f,0.9995f,0.9996f,0.9997f,0.9999f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,
|
|
1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f,1.0000f // isn't it beautiful?
|
|
)
|
|
/** To eliminated visible edge on the gradient when 255/1023 is exceeded */
|
|
fun Color.normaliseToColourHDR() = Color(
|
|
hdr(this.r),
|
|
hdr(this.g),
|
|
hdr(this.b),
|
|
1f
|
|
)
|
|
|
|
fun Color.normaliseToAlphaHDR() = Color(
|
|
hdr(this.a),
|
|
hdr(this.a),
|
|
hdr(this.a),
|
|
1f
|
|
)
|
|
|
|
/**
|
|
* color values are normalised -- 0.0 to 1.0 for 0..1023
|
|
*/
|
|
data class Lantern(val posX: Int, val posY: Int, val color: Color)
|
|
|
|
private fun Color.nonZero() = this.r != 0f || this.g != 0f || this.b != 0f || this.a != 0f
|
|
|
|
val histogram: Histogram
|
|
get() {
|
|
var reds = IntArray(MUL) // reds[intensity] ← counts
|
|
var greens = IntArray(MUL) // do.
|
|
var blues = IntArray(MUL) // do.
|
|
val render_width = for_x_end - for_x_start
|
|
val render_height = for_y_end - for_y_start
|
|
// excluiding overscans; only reckon echo lights
|
|
for (y in overscan_open..render_height + overscan_open + 1) {
|
|
for (x in overscan_open..render_width + overscan_open + 1) {
|
|
reds [minOf(CHANNEL_MAX, lightmap[y][x].r.times(MUL).floorInt())] += 1
|
|
greens[minOf(CHANNEL_MAX, lightmap[y][x].g.times(MUL).floorInt())] += 1
|
|
blues [minOf(CHANNEL_MAX, lightmap[y][x].b.times(MUL).floorInt())] += 1
|
|
}
|
|
}
|
|
return Histogram(reds, greens, blues)
|
|
}
|
|
|
|
class Histogram(val reds: IntArray, val greens: IntArray, val blues: IntArray) {
|
|
|
|
val RED = 0
|
|
val GREEN = 1
|
|
val BLUE = 2
|
|
|
|
val screen_tiles: Int = (for_x_end - for_x_start + 2) * (for_y_end - for_y_start + 2)
|
|
|
|
val brightest: Int
|
|
get() {
|
|
for (i in CHANNEL_MAX downTo 1) {
|
|
if (reds[i] > 0 || greens[i] > 0 || blues[i] > 0)
|
|
return i
|
|
}
|
|
return 0
|
|
}
|
|
|
|
val brightest8Bit: Int
|
|
get() { val b = brightest
|
|
return if (brightest > 255) 255 else b
|
|
}
|
|
|
|
val dimmest: Int
|
|
get() {
|
|
for (i in 0..CHANNEL_MAX) {
|
|
if (reds[i] > 0 || greens[i] > 0 || blues[i] > 0)
|
|
return i
|
|
}
|
|
return CHANNEL_MAX
|
|
}
|
|
|
|
val range: Int = CHANNEL_MAX
|
|
|
|
fun get(index: Int): IntArray {
|
|
return when (index) {
|
|
RED -> reds
|
|
GREEN -> greens
|
|
BLUE -> blues
|
|
else -> throw IllegalArgumentException()
|
|
}
|
|
}
|
|
}
|
|
|
|
fun interpolateLinear(scale: Float, startValue: Float, endValue: Float): Float {
|
|
if (startValue == endValue) {
|
|
return startValue
|
|
}
|
|
if (scale <= 0f) {
|
|
return startValue
|
|
}
|
|
if (scale >= 1f) {
|
|
return endValue
|
|
}
|
|
return (1f - scale) * startValue + scale * endValue
|
|
}
|
|
}
|