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104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
#include "NetherPortalParticle.h"
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#include "minecraft/GameEnums.h"
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#include "app/common/Colours/ColourTable.h"
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#include "java/JavaMath.h"
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#include "java/Random.h"
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#include "minecraft/client/Minecraft.h"
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#include "minecraft/client/particle/Particle.h"
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class Level;
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// 4J Stu - This class was originally "PortalParticle" but I have split the two
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// uses of the particle Only the nether portal uses this particle
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NetherPortalParticle::NetherPortalParticle(Level* level, double x, double y,
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double z, double xd, double yd,
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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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float br = random->nextFloat() * 0.6f + 0.4f;
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oSize = size = random->nextFloat() * 0.2f + 0.5f;
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// rCol = gCol = bCol = 1.0f*br;
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// gCol *= 0.3f;
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// rCol *= 0.9f;
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// Default colour (0.9f, 0.3f, 1.0f)
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// 0xE64DFF
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unsigned int colour = Minecraft::GetInstance()->getColourTable()->getColor(
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eMinecraftColour_Particle_NetherPortal);
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int r = (colour >> 16) & 0xFF;
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int g = (colour >> 8) & 0xFF;
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int b = colour & 0xFF;
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rCol = (r / 255.0f) * br;
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gCol = (g / 255.0f) * br;
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bCol = (b / 255.0f) * br;
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lifetime = (int)(Math::random() * 10) + 40;
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noPhysics = true;
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setMiscTex((int)(Math::random() * 8));
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}
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void NetherPortalParticle::render(Tesselator* t, float a, float xa, float ya,
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float za, float xa2, float za2) {
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float s = (age + a) / (float)lifetime;
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s = 1 - s;
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s = s * s;
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s = 1 - s;
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size = oSize * (s);
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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 NetherPortalParticle::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 NetherPortalParticle::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 NetherPortalParticle::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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float a = pos;
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pos = -pos + pos * pos * 2;
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// pos = pos*pos;
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// pos = pos*pos;
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pos = 1 - pos;
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x = xStart + xd * pos;
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y = yStart + yd * pos + (1 - a);
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z = zStart + zd * pos;
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// spd+=0.002/lifetime*age;
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if (age++ >= lifetime) remove();
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// move(xd*spd, yd*spd, zd*spd);
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}
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