Initial commit

1 files changed, 97 insertions, 0 deletions

diff --git a/Minecraft.Client/LightningBoltRenderer.cpp b/Minecraft.Client/LightningBoltRenderer.cpp
new file mode 100644
index 00000000..d02ea7f7
--- /dev/null
+++ b/Minecraft.Client/LightningBoltRenderer.cpp
@@ -0,0 +1,97 @@
+#include "stdafx.h"
+#include "LightningBoltRenderer.h"
+#include "Tesselator.h"
+#include "..\Minecraft.World\net.minecraft.world.entity.global.h"
+
+void LightningBoltRenderer::render(shared_ptr<Entity> _bolt, double x, double y, double z, float rot, float a)
+{
+	// 4J - dynamic cast required because we aren't using templates/generics in our version
+	shared_ptr<LightningBolt> bolt = dynamic_pointer_cast<LightningBolt>(_bolt);
+
+    Tesselator *t = Tesselator::getInstance();
+
+    glDisable(GL_TEXTURE_2D);
+    glDisable(GL_LIGHTING);
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+
+
+    double xOffs[8];
+    double zOffs[8];
+    double xOff = 0;
+    double zOff = 0;
+    {
+        Random *random = new Random(bolt->seed);
+        for (int h = 7; h >= 0; h--)
+		{
+            xOffs[h] = xOff;
+            zOffs[h] = zOff;
+            xOff += random->nextInt(11) - 5;
+            zOff += random->nextInt(11) - 5;
+        }
+    }
+
+    for (int r = 0; r < 4; r++)
+	{
+        Random *random = new Random(bolt->seed);
+        for (int p = 0; p < 3; p++)
+		{
+            int hs = 7;
+            int ht = 0;
+            if (p > 0) hs = 7 - p;
+            if (p > 0) ht = hs - 2;
+            double xo0 = xOffs[hs] - xOff;
+            double zo0 = zOffs[hs] - zOff;
+            for (int h = hs; h >= ht; h--)
+			{
+                double xo1 = xo0;
+                double zo1 = zo0;
+                if (p == 0)
+				{
+                    xo0 += random->nextInt(11) - 5;
+                    zo0 += random->nextInt(11) - 5;
+                }
+				else
+				{
+                    xo0 += random->nextInt(31) - 15;
+                    zo0 += random->nextInt(31) - 15;
+                }
+
+                t->begin(GL_TRIANGLE_STRIP);
+                float br = 0.5f;
+                t->color(0.9f * br, 0.9f * br, 1 * br, 0.3f);
+
+                double rr1 = (0.1 + r * 0.2);
+                if (p == 0) rr1 *= (h * 0.1 + 1);
+
+                double rr2 = (0.1 + r * 0.2);
+                if (p == 0) rr2 *= ((h-1) * 0.1 + 1);
+
+                for (int i = 0; i < 5; i++)
+				{
+                    double xx1 = x + 0.5 - rr1;
+                    double zz1 = z + 0.5 - rr1;
+                    if (i == 1 || i == 2) xx1 += rr1 * 2;
+                    if (i == 2 || i == 3) zz1 += rr1 * 2;
+
+                    double xx2 = x + 0.5 - rr2;
+                    double zz2 = z + 0.5 - rr2;
+                    if (i == 1 || i == 2) xx2 += rr2 * 2;
+                    if (i == 2 || i == 3) zz2 += rr2 * 2;
+
+                    t->vertex((float)(xx2 + xo0), (float)( y + (h) * 16), (float)( zz2 + zo0));
+                    t->vertex((float)(xx1 + xo1), (float)( y + (h + 1) * 16), (float)( zz1 + zo1));
+
+                }
+
+                t->end();
+            }
+        }
+    }
+
+
+    glDisable(GL_BLEND);
+    glEnable(GL_LIGHTING);
+    glEnable(GL_TEXTURE_2D);
+
+}
\ No newline at end of file