From b691c43c44ff180d10e7d4a9afc83b98551ff586 Mon Sep 17 00:00:00 2001
From: daoge_cmd <3523206925@qq.com>
Date: Sun, 1 Mar 2026 12:16:08 +0800
Subject: Initial commit

---
 Minecraft.Client/LavaParticle.cpp | 69 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 Minecraft.Client/LavaParticle.cpp

(limited to 'Minecraft.Client/LavaParticle.cpp')

diff --git a/Minecraft.Client/LavaParticle.cpp b/Minecraft.Client/LavaParticle.cpp
new file mode 100644
index 00000000..ac0608e5
--- /dev/null
+++ b/Minecraft.Client/LavaParticle.cpp
@@ -0,0 +1,69 @@
+#include "stdafx.h"
+#include "LavaParticle.h"
+#include "..\Minecraft.World\JavaMath.h"
+#include "..\Minecraft.World\Random.h"
+#include "..\Minecraft.World\net.minecraft.world.level.h"
+
+LavaParticle::LavaParticle(Level *level, double x, double y, double z) : Particle(level, x, y, z, 0, 0, 0)
+{
+    xd *= 0.8f;
+    yd *= 0.8f;
+    zd *= 0.8f;
+    yd = random->nextFloat() * 0.4f + 0.05f;
+
+    rCol = gCol = bCol = 1;
+    size *= (random->nextFloat() * 2 + 0.2f);
+    oSize = size;
+
+    lifetime = (int) (16 / (Math::random() * 0.8 + 0.2));
+    noPhysics = false;
+    setMiscTex(49);
+}
+
+// 4J - brought forward from 1.8.2
+int LavaParticle::getLightColor(float a)
+{
+    float l = (age + a) / lifetime;
+    if (l < 0) l = 0;
+    if (l > 1) l = 1;
+    int br = Particle::getLightColor(a);
+
+    int br1 = 15 * 16;
+    int br2 = (br >> 16) & 0xff;
+    return br1 | br2 << 16;
+}
+
+float LavaParticle::getBrightness(float a)
+{
+	return 1;
+}
+
+void LavaParticle::render(Tesselator *t, float a, float xa, float ya, float za, float xa2, float za2)
+{
+    float s = (age + a) / (float) lifetime;
+    size = oSize * (1 - s*s);
+    Particle::render(t, a, xa, ya, za, xa2, za2);
+}
+
+void LavaParticle::tick()
+{
+    xo = x;
+    yo = y;
+    zo = z;
+
+    if (age++ >= lifetime) remove();
+    float odds = age / (float) lifetime;
+    if (random->nextFloat() > odds) level->addParticle(eParticleType_smoke, x, y, z, xd, yd, zd);
+
+    yd -= 0.03;
+    move(xd, yd, zd);
+    xd *= 0.999f;
+    yd *= 0.999f;
+    zd *= 0.999f;
+
+    if (onGround)
+	{
+        xd *= 0.7f;
+        zd *= 0.7f;
+    }
+}
-- 
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