Add more fishing debug stats. (waiting on admins lol)

src/main/java/moe/nea/firmament/mixins/MixinClientPacketHandler.java

@@ -22,6 +22,7 @@ import moe.nea.firmament.events.OutgoingPacketEvent;
 import moe.nea.firmament.events.ParticleSpawnEvent;
 import net.minecraft.client.network.ClientPlayNetworkHandler;
 import net.minecraft.network.packet.Packet;
+import net.minecraft.network.packet.s2c.play.EntityPositionS2CPacket;
 import net.minecraft.network.packet.s2c.play.ParticleS2CPacket;
 import net.minecraft.util.math.Vec3d;
 import org.spongepowered.asm.mixin.Mixin;
@@ -41,6 +42,11 @@ public class MixinClientPacketHandler {
         ));
     }
 
+    @Inject(method = "onEntityPosition", at = @At(value = "TAIL"))
+    public void onEntityPosition(EntityPositionS2CPacket packet, CallbackInfo ci) {
+        System.out.printf("Got position update for %d", packet.getId());
+    }
+
     @Inject(method = "sendPacket(Lnet/minecraft/network/packet/Packet;)V", at = @At("HEAD"), cancellable = true)
     public void onSendPacket(Packet<?> packet, CallbackInfo ci) {
         if (OutgoingPacketEvent.Companion.publish(new OutgoingPacketEvent(packet)).getCancelled()) {

src/main/kotlin/moe/nea/firmament/features/debug/DebugView.kt

@@ -2,8 +2,11 @@ package moe.nea.firmament.features.debug
 
 import io.github.cottonmc.cotton.gui.client.CottonHud
 import io.github.cottonmc.cotton.gui.widget.WBox
+import io.github.cottonmc.cotton.gui.widget.WDynamicLabel
+import io.github.cottonmc.cotton.gui.widget.WLabel
 import io.github.cottonmc.cotton.gui.widget.data.Axis
 import java.util.Optional
+import java.util.stream.Collectors
 import kotlin.time.Duration.Companion.seconds
 import net.minecraft.scoreboard.Scoreboard
 import net.minecraft.scoreboard.Team
@@ -23,7 +26,7 @@ object DebugView : FirmamentFeature {
         val timer: TimeMark,
     )
 
-    private val storedVariables: MutableMap<String, StoredVariable<*>> = mutableMapOf()
+    private val storedVariables: MutableMap<String, StoredVariable<*>> = sortedMapOf()
     override val identifier: String
         get() = "debug-view"
     override val defaultEnabled: Boolean
@@ -35,18 +38,29 @@ object DebugView : FirmamentFeature {
         }
     }
 
+    fun recalculateDebugWidget() {
+        storedVariables.entries.removeIf { it.value.timer.passedTime() > 1.seconds }
+        debugWidget.streamChildren().collect(Collectors.toList()).forEach {
+            debugWidget.remove(it)
+        }
+        storedVariables.entries.forEach {
+            debugWidget.add(WDynamicLabel({ "${it.key}: ${it.value.obj}" }))
+        }
+        debugWidget.layout()
+        if (storedVariables.isNotEmpty()) {
+            CottonHud.add(debugWidget, 20, 20)
+        } else {
+            CottonHud.remove(debugWidget)
+        }
+    }
+
     val debugWidget = WBox(Axis.VERTICAL)
 
 
     override fun onLoad() {
         TickEvent.subscribe {
             synchronized(this) {
-                storedVariables.entries.removeIf { it.value.timer.passedTime() > 1.seconds }
-                if (storedVariables.isEmpty()) {
-                    CottonHud.add(debugWidget, 20, 20)
-                } else {
-                    CottonHud.remove(debugWidget)
-                }
+                recalculateDebugWidget()
             }
         }
     }

src/main/kotlin/moe/nea/firmament/features/fishing/FishingWarning.kt

@@ -20,18 +20,22 @@ package moe.nea.firmament.features.fishing
 
 import kotlin.math.abs
 import kotlin.math.absoluteValue
-import kotlin.math.acos
-import kotlin.math.asin
 import kotlin.math.atan2
+import kotlin.math.cos
+import kotlin.math.min
+import kotlin.math.sin
 import kotlin.math.sqrt
 import kotlin.time.Duration.Companion.seconds
 import net.minecraft.entity.projectile.FishingBobberEntity
 import net.minecraft.particle.ParticleTypes
+import net.minecraft.util.math.MathHelper
 import net.minecraft.util.math.Vec3d
+import moe.nea.firmament.Firmament
 import moe.nea.firmament.events.ParticleSpawnEvent
 import moe.nea.firmament.events.WorldReadyEvent
 import moe.nea.firmament.events.WorldRenderLastEvent
 import moe.nea.firmament.features.FirmamentFeature
+import moe.nea.firmament.features.debug.DebugView
 import moe.nea.firmament.gui.config.ManagedConfig
 import moe.nea.firmament.util.MC
 import moe.nea.firmament.util.TimeMark
@@ -67,8 +71,8 @@ object FishingWarning : FirmamentFeature {
 
     private fun calculateAngleFromOffsets(xOffset: Double, zOffset: Double): Double {
         // See also: Vanilla 1.8.9 Fishing particle code.
-        var angleX = Math.toDegrees(acos(xOffset / 0.04))
-        var angleZ = Math.toDegrees(asin(zOffset / 0.04))
+        var angleX = Math.toDegrees(Math.acos(xOffset / 0.04))
+        var angleZ = Math.toDegrees(Math.asin(zOffset / 0.04))
         if (xOffset < 0) {
             // Old: angleZ = 180 - angleZ;
             angleZ = 180 - angleZ
@@ -83,21 +87,24 @@ object FishingWarning : FirmamentFeature {
         var dist = angleX - angleZ
         if (dist < -180) dist += 360.0
         if (dist > 180) dist -= 360.0
-        return angleZ + dist / 2
+        return Math.toDegrees(Math.atan2(xOffset, zOffset))
+        return angleZ + dist / 2 + 180
     }
 
-    private fun toDegrees(d: Double) = d * 180 / Math.PI
-    private fun toRadians(d: Double) = d / 180 * Math.PI
+    val π = Math.PI
+    val τ = Math.PI * 2
+
+    private fun toDegrees(d: Double) = Math.toDegrees(d).mod(360.0)
+    private fun toRadians(d: Double) = Math.toRadians(d).mod(τ)
 
     fun isHookPossible(hook: FishingBobberEntity, particlePos: Vec3d, angle1: Double, angle2: Double): Boolean {
-        val dx = particlePos.x - hook.pos.x
-        val dz = particlePos.z - hook.pos.z
+        val dx = particlePos.x - hook.trackedPosition.withDelta(0, 0, 0).x
+        val dz = particlePos.z - hook.trackedPosition.withDelta(0, 0, 0).z
         val dist = sqrt(dx * dx + dz * dz)
 
         if (dist < 0.2) return true
         val tolerance = toDegrees(atan2(0.03125, dist)) * 1.5
-        var angleToHook = toDegrees(atan2(dx, dz)) % 360
-        if (angleToHook < 0) angleToHook += 360
+        val angleToHook = toDegrees(atan2(dz, dx))
         return areAnglesClose(angle1, angleToHook, tolerance) || areAnglesClose(angle2, angleToHook, tolerance)
     }
 
@@ -118,9 +125,9 @@ object FishingWarning : FirmamentFeature {
         if (!(abs(event.offset.y - 0.01f) < 0.001f)) return
         val hook = MC.player?.fishHook ?: return
         val actualOffset = event.offset
-        val candidate1 = calculateAngleFromOffsets(actualOffset.x, -actualOffset.z)
-        val candidate2 = calculateAngleFromOffsets(-actualOffset.x, actualOffset.z)
-        recentCandidates.add(Candidate(candidate1, candidate2, hook.pos, event.position))
+        val candidate1 = calculateAngleFromOffsets(-actualOffset.x, (-actualOffset.z))
+        val candidate2 = calculateAngleFromOffsets(actualOffset.x, actualOffset.z)
+        recentCandidates.add(Candidate(candidate1, candidate2, hook.trackedPosition.withDelta(0, 0, 0), event.position))
 
         if (isHookPossible(hook, event.position, candidate1, candidate2)) {
             recentParticles.add(Pair(event.position, TimeMark.now()))
@@ -141,14 +148,55 @@ object FishingWarning : FirmamentFeature {
                     tinyBlock(it.first, 0.1F)
                 }
 
+                if (Firmament.DEBUG) {
                     recentCandidates.forEach {
-                    println(it)
                         color(1f, 1f, 0f, 1f)
                         line(it.hookOrigin, it.position)
                         color(1f, 0f, 0f, 1f)
-                    line(it.position, Vec3d.fromPolar(0F, it.angle1.toFloat()).add(it.position))
+                        fun P(yaw: Double) = Vec3d(cos(yaw), 0.0, sin(yaw))
+                        line(
+                            it.position,
+                            P(π - toRadians(it.angle1)).multiply(5.0).add(it.position)
+                        )
                         color(0f, 1f, 0f, 1f)
-                    line(it.position, Vec3d.fromPolar(0F, it.angle2.toFloat()).add(it.position))
+                        line(
+                            it.position,
+                            P(π - toRadians(it.angle2)).multiply(5.0).add(it.position)
+                        )
+                        val tolerance = (atan2(0.03125, it.position.distanceTo(it.hookOrigin))).absoluteValue * 1.5
+                        val diff = it.hookOrigin.subtract(it.position)
+                        val rd = atan2(diff.z, diff.x).mod(τ)
+                        color(0.8f, 0f, 0.8f, 1f)
+                        DebugView.showVariable("tolerance", tolerance)
+                        DebugView.showVariable("angle1Rad", toRadians(180 - it.angle1))
+                        DebugView.showVariable("angle1Diff", (toRadians(it.angle1) - rd).mod(τ))
+                        DebugView.showVariable("angle1Deg", it.angle1.mod(360.0))
+                        DebugView.showVariable("angle2Rad", toRadians(180 - it.angle2))
+                        DebugView.showVariable("angle2Deg", it.angle2.mod(360.0))
+                        DebugView.showVariable("angle2Diff", (toRadians(it.angle2) - rd).mod(τ))
+                        DebugView.showVariable("rd", rd)
+                        DebugView.showVariable("minT", (rd + tolerance).mod(τ))
+                        DebugView.showVariable("maxT", (rd - tolerance).mod(τ))
+                        DebugView.showVariable(
+                            "passes",
+                            if (min(
+                                    (rd - toRadians(180 - it.angle2)).mod(τ),
+                                    (rd - toRadians(180 - it.angle1)).mod(τ)
+                                ) < tolerance
+                            ) {
+                                "§aPasses"
+                            } else {
+                                "§cNo Pass"
+                            }
+                        )
+
+                        line(it.position, P(rd + tolerance).add(it.position))
+                        line(it.position, P(rd - tolerance).add(it.position))
+                    }
+                    color(0.8F, 0.8F, 0.8f, 1f)
+                    val fishHook = MC.player?.fishHook
+                    if (fishHook != null)
+                        tinyBlock(fishHook.trackedPosition.withDelta(0, 0, 0), 0.2f)
                 }
             }
         }