diff options
Diffstat (limited to 'Minecraft.Client/LightningBoltRenderer.cpp')
| -rw-r--r-- | Minecraft.Client/LightningBoltRenderer.cpp | 97 |
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); + +}
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