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72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
#include "../../Platform/stdafx.h"
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#include "../../../Minecraft.World/Util/JavaMath.h"
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#include "EnchantmentTableParticle.h"
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EchantmentTableParticle::EchantmentTableParticle(Level* level, double x,
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double y, double z, double xd,
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double yd, double zd)
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: Particle(level, x, y, z, xd, yd, zd) {
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this->xd = xd;
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this->yd = yd;
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this->zd = zd;
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this->xStart = this->x = x;
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this->yStart = this->y = y;
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this->zStart = this->z = z;
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unsigned int clr = Minecraft::GetInstance()->getColourTable()->getColor(
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eMinecraftColour_Particle_EnchantmentTable); // 0xE5E5FF
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double r = ((clr >> 16) & 0xFF) / 255.0f, g = ((clr >> 8) & 0xFF) / 255.0,
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b = (clr & 0xFF) / 255.0;
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float br = random->nextFloat() * 0.6f + 0.4f;
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rCol = r * br;
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gCol = g * br;
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bCol = b * br;
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oSize = size = random->nextFloat() * 0.5f + 0.2f;
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lifetime = (int)(Math::random() * 10) + 30;
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noPhysics = true;
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setMiscTex((int)(Math::random() * 26 + 1 + 14 * 16));
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}
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int EchantmentTableParticle::getLightColor(float a) {
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int br = Particle::getLightColor(a);
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float pos = age / (float)lifetime;
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pos = pos * pos;
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pos = pos * pos;
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int br1 = (br) & 0xff;
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int br2 = (br >> 16) & 0xff;
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br2 += (int)(pos * 15 * 16);
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if (br2 > 15 * 16) br2 = 15 * 16;
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return br1 | br2 << 16;
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}
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float EchantmentTableParticle::getBrightness(float a) {
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float br = Particle::getBrightness(a);
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float pos = age / (float)lifetime;
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pos = pos * pos;
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pos = pos * pos;
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return br * (1 - pos) + pos;
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}
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void EchantmentTableParticle::tick() {
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xo = x;
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yo = y;
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zo = z;
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float pos = age / (float)lifetime;
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pos = 1 - pos;
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float pp = 1 - pos;
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pp = pp * pp;
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pp = pp * pp;
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x = xStart + xd * pos;
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y = yStart + yd * pos - pp * 1.2f;
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z = zStart + zd * pos;
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if (age++ >= lifetime) remove();
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} |