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particles to spawn on their true position

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This commit is contained in:
minjaesong
2023-10-14 18:06:15 +09:00
parent d546b081f0
commit 3c79586410
2 changed files with 48 additions and 41 deletions
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2
src/net/torvald/terrarum/ModMgr.kt
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@@ -486,7 +486,7 @@ object ModMgr {
} }
fun getLoadOrderTextForSavegame(): String { fun getLoadOrderTextForSavegame(): String {
return loadOrder.map { "$it ${moduleInfo[it]!!.version}" }.joinToString("\n") return loadOrder.filter { moduleInfo[it] != null }.map { "$it ${moduleInfo[it]!!.version}" }.joinToString("\n")
} }

87
src/net/torvald/terrarum/gameactors/ActorWithBody.kt
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@@ -589,7 +589,7 @@ open class ActorWithBody : Actor {
} }
// make dusts // make dusts
if (collisionStatus and (if (gravitation.y > 0.0) COLLIDING_BOTTOM else COLLIDING_TOP) != 0) if (collisionStatus != 0)
makeDust(collisionDamage, vecSum) makeDust(collisionDamage, vecSum)
} }
else { else {
@@ -1098,15 +1098,16 @@ open class ActorWithBody : Actor {
debug1("resulting hitbox: $newHitbox") debug1("resulting hitbox: $newHitbox")
var feetTileCount = 0 // var feetTileCount = 0
var feetTileStregthSum = 0 // var feetTileStregthSum = 0
forEachFeetTile { it?.let { // forEachFeetTile { it?.let {
feetTileCount += 1 // feetTileCount += 1
feetTileStregthSum += it.strength // feetTileStregthSum += it.strength
}} // }}
val avrFeetTileStrength = feetTileStregthSum.toDouble() / feetTileCount // val avrFeetTileStrength = feetTileStregthSum.toDouble() / feetTileCount
val adjustedTileStr = avrFeetTileStrength / 1176 // val adjustedTileStr = avrFeetTileStrength / 1176
val fallDamageDampenMult = (adjustedTileStr / (adjustedTileStr + 1)).sqr() // val fallDamageDampenMult = (adjustedTileStr / (adjustedTileStr + 1)).sqr()
val fallDamageDampenMult = (32.0 / 1176.0).sqr()
// slam-into-whatever damage (such dirty; much hack; wow) // slam-into-whatever damage (such dirty; much hack; wow)
// vvvv hack (supposed to be 1.0) vvv 50% hack // vvvv hack (supposed to be 1.0) vvv 50% hack
collisionDamage = mass * (vectorSum.magnitude / (10.0 / Terrarum.PHYS_TIME_FRAME).sqr()) * fallDamageDampenMult * GAME_TO_SI_ACC collisionDamage = mass * (vectorSum.magnitude / (10.0 / Terrarum.PHYS_TIME_FRAME).sqr()) * fallDamageDampenMult * GAME_TO_SI_ACC
@@ -2025,22 +2026,33 @@ open class ActorWithBody : Actor {
} }
private fun makeDust(collisionDamage: Double, vecSum: Vector2) { private fun makeDust(collisionDamage: Double, vecSum: Vector2) {
val particleCount = (collisionDamage / 32.0).pow(0.75) val particleCount = (collisionDamage / 24.0).pow(0.75)
val trueParticleCount = particleCount.toInt() + (Math.random() < (particleCount % 1.0)).toInt()
// if (collisionDamage > 1.0 / 1024.0) printdbg(this, "Collision damage: $collisionDamage N, count: $particleCount, velocity: $vecSum, mass: ${this.mass}") if (collisionDamage > 1.0 / 1024.0) printdbg(this, "Collision damage: $collisionDamage N, count: $particleCount, velocity: $vecSum, mass: ${this.mass}")
getFeetTiles().forEach { (xy, tile) -> val feetTiles = getFeetTiles()
val (x, y) = xy val feetTileIndices = feetTiles.indices.toList().toIntArray()
makeDust0(tile, x, y, particleCount, collisionDamage, vecSum)
for (i in 0 until trueParticleCount) {
if (i % feetTiles.size == 0) feetTileIndices.shuffle()
feetTiles[feetTileIndices[i % feetTiles.size]].second.let { tile ->
val px = hitbox.startX + Math.random() * hitbox.width
val py = hitbox.endY
makeDust0(tile, px, py, particleCount, collisionDamage, vecSum)
}
} }
} }
private val pixelOffs = intArrayOf(2, 7, 12) // hard-coded assuming TILE_SIZE=16 private val pixelOffs = intArrayOf(2, 7, 12) // hard-coded assuming TILE_SIZE=16
private fun makeDust0(tile: ItemID, x: Int, y: Int, count: Double, fallDamage: Double, vecSum: Vector2) {
/**
* @param wx World-X position
*/
private fun makeDust0(tile: ItemID, wx: Double, wy: Double, count: Double, fallDamage: Double, vecSum: Vector2) {
val pw = 3 val pw = 3
val ph = 3 val ph = 3
val xo = App.GLOBAL_RENDER_TIMER and 1
val yo = App.GLOBAL_RENDER_TIMER.ushr(1) and 1
val renderTag = App.tileMaker.getRenderTag(tile) val renderTag = App.tileMaker.getRenderTag(tile)
val baseTilenum = renderTag.tileNumber val baseTilenum = renderTag.tileNumber
@@ -2051,28 +2063,23 @@ open class ActorWithBody : Actor {
} }
val tileNum = baseTilenum + representativeTilenum // the particle won't match the visible tile anyway because of the seasons stuff val tileNum = baseTilenum + representativeTilenum // the particle won't match the visible tile anyway because of the seasons stuff
val trueCount = count.toInt() + (Math.random() < (count % 1.0)).toInt() val vi = if (vecSum.y > PHYS_EPSILON_VELO) 0 else if (vecSum.y < -PHYS_EPSILON_VELO) 2 else (Math.random() * 3).toInt()
val u = (wx.toInt() % TILE_SIZE).coerceIn(0..TILE_SIZE - pw)
for (it in 0 until trueCount) { val v = pixelOffs[vi]
val ui = (Math.random() * 3).toInt() // 0-2 val pos = Vector2(
val vi = if (vecSum.y > PHYS_EPSILON_VELO) 0 else if (vecSum.y < -PHYS_EPSILON_VELO) 2 else (Math.random() * 3).toInt() wx,
val u = pixelOffs[ui] wy,
val v = pixelOffs[vi] )
val pos = Vector2( val veloXvar = (Math.random() + Math.random()) * (if (Math.random() < 0.5) -1 else 1) * 0.5 // avr at 0.5
TILE_SIZED * x + u + xo + 0.5, val veloYvar = brownianRand()
TILE_SIZED * y + v + yo + 2, val veloMult = Vector2(
) vecSum.x + veloXvar,
val veloXvar = (Math.random() + Math.random()) * (if (Math.random() < 0.5) -1 else 1) * 0.5 // avr at 0.5 (count.pow(0.5) + veloYvar) * vecSum.y.sign
val veloYvar = brownianRand() )
val veloMult = Vector2( createRandomBlockParticle(tileNum, pos, veloMult, u, v, pw, ph).let {
vecSum.x + veloXvar, it.despawnUponCollision = true
(count.pow(0.75) + veloYvar) * vecSum.y.sign it.drawColour.set(Color.WHITE)
) (Terrarum.ingame as TerrarumIngame).addParticle(it)
createRandomBlockParticle(tileNum, pos, veloMult, u, v, pw, ph).let {
it.despawnUponCollision = true
it.drawColour.set(Color.WHITE)
(Terrarum.ingame as TerrarumIngame).addParticle(it)
}
} }
} }