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70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
#include "../../Platform/stdafx.h"
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#include "../../../Minecraft.World/Util/JavaMath.h"
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#include "../../../Minecraft.World/Util/Random.h"
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#include "FlameParticle.h"
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FlameParticle::FlameParticle(Level* level, double x, double y, double z,
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double xd, double yd, double zd)
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: Particle(level, x, y, z, xd, yd, zd) {
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this->xd = this->xd * 0.01f + xd;
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this->yd = this->yd * 0.01f + yd;
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this->zd = this->zd * 0.01f + zd;
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x += (random->nextFloat() - random->nextFloat()) * 0.05f;
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y += (random->nextFloat() - random->nextFloat()) * 0.05f;
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z += (random->nextFloat() - random->nextFloat()) * 0.05f;
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oSize = size;
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rCol = gCol = bCol = 1.0f;
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lifetime = (int)(8 / (Math::random() * 0.8 + 0.2)) + 4;
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noPhysics = true;
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setMiscTex(48);
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}
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void FlameParticle::render(Tesselator* t, float a, float xa, float ya, float za,
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float xa2, float za2) {
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float s = (age + a) / (float)lifetime;
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size = oSize * (1 - s * s * 0.5f);
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Particle::render(t, a, xa, ya, za, xa2, za2);
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}
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// 4J - brought forward from 1.8.2
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int FlameParticle::getLightColor(float a) {
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float l = (age + a) / lifetime;
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if (l < 0) l = 0;
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if (l > 1) l = 1;
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int br = Particle::getLightColor(a);
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int br1 = (br) & 0xff;
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int br2 = (br >> 16) & 0xff;
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br1 += (int)(l * 15 * 16);
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if (br1 > 15 * 16) br1 = 15 * 16;
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return br1 | br2 << 16;
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}
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float FlameParticle::getBrightness(float a) {
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float l = (age + a) / lifetime;
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if (l < 0) l = 0;
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if (l > 1) l = 1;
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float br = Particle::getBrightness(a);
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return br * l + (1 - l);
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}
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void FlameParticle::tick() {
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xo = x;
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yo = y;
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zo = z;
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if (age++ >= lifetime) remove();
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move(xd, yd, zd);
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xd *= 0.96f;
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yd *= 0.96f;
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zd *= 0.96f;
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if (onGround) {
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xd *= 0.7f;
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zd *= 0.7f;
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}
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} |