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/RedDustParticle.cpp | 75 ++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 Minecraft.Client/RedDustParticle.cpp

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

diff --git a/Minecraft.Client/RedDustParticle.cpp b/Minecraft.Client/RedDustParticle.cpp
new file mode 100644
index 00000000..6a6ad1e1
--- /dev/null
+++ b/Minecraft.Client/RedDustParticle.cpp
@@ -0,0 +1,75 @@
+#include "stdafx.h"
+#include "..\Minecraft.World\JavaMath.h"
+#include "RedDustParticle.h"
+
+void RedDustParticle::init(Level *level, double x, double y, double z, float scale, float rCol, float gCol, float bCol)
+{
+    xd *= 0.1f;
+    yd *= 0.1f;
+    zd *= 0.1f;
+
+	// 4J Stu - If they are all 0 then this particle has been created differently
+	// If just red is 0 it could be because we have made redstone a completely different colour (eg blue)
+    if (rCol == 0 && gCol == 0 && bCol == 0)
+	{
+        rCol = 1;
+    }
+    float brr = (float) Math::random() * 0.4f + 0.6f;
+    this->rCol = ((float) (Math::random() * 0.2f) + 0.8f) * rCol * brr;
+    this->gCol = ((float) (Math::random() * 0.2f) + 0.8f) * gCol * brr;
+    this->bCol = ((float) (Math::random() * 0.2f) + 0.8f) * bCol * brr;
+    size *= 0.75f;
+    size *= scale;
+    oSize = size;
+
+    lifetime = (int) (8 / (Math::random() * 0.8 + 0.2));
+    lifetime = (int)(lifetime * scale);
+    noPhysics = false;
+}
+
+RedDustParticle::RedDustParticle(Level *level, double x, double y, double z, float rCol, float gCol, float bCol) : Particle(level, x, y, z, 0, 0, 0)
+{
+	init(level, x, y, z, 1, rCol, gCol, bCol);
+}
+
+RedDustParticle::RedDustParticle(Level *level, double x, double y, double z, float scale, float rCol, float gCol, float bCol) : Particle(level, x, y, z, 0, 0, 0)
+{
+	init(level, x, y, z, scale, rCol, gCol, bCol);
+}
+
+void RedDustParticle::render(Tesselator *t, float a, float xa, float ya, float za, float xa2, float za2)
+{
+    float l = ((age + a) / lifetime) * 32;
+    if (l < 0) l = 0;
+    if (l > 1) l = 1;
+
+    size = oSize * l;
+    Particle::render(t, a, xa, ya, za, xa2, za2);
+}
+
+void RedDustParticle::tick()
+{
+    xo = x;
+    yo = y;
+    zo = z;
+
+    if (age++ >= lifetime) remove();
+
+    setMiscTex(7 - age * 8 / lifetime);
+
+    move(xd, yd, zd);
+    if (y == yo)
+	{
+        xd *= 1.1;
+        zd *= 1.1;
+    }
+    xd *= 0.96f;
+    yd *= 0.96f;
+    zd *= 0.96f;
+
+    if (onGround)
+	{
+        xd *= 0.7f;
+        zd *= 0.7f;
+    }
+}
-- 
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