4jcraft/targets/minecraft/client/particle/NetherPortalParticle.cpp

104 lines
2.8 KiB
C++

#include "NetherPortalParticle.h"
#include "minecraft/GameEnums.h"
#include "app/common/Colours/ColourTable.h"
#include "java/JavaMath.h"
#include "java/Random.h"
#include "minecraft/client/Minecraft.h"
#include "minecraft/client/particle/Particle.h"
class Level;
// 4J Stu - This class was originally "PortalParticle" but I have split the two
// uses of the particle Only the nether portal uses this particle
NetherPortalParticle::NetherPortalParticle(Level* level, double x, double y,
double z, double xd, double yd,
double zd)
: Particle(level, x, y, z, xd, yd, zd) {
this->xd = xd;
this->yd = yd;
this->zd = zd;
this->xStart = this->x = x;
this->yStart = this->y = y;
this->zStart = this->z = z;
float br = random->nextFloat() * 0.6f + 0.4f;
oSize = size = random->nextFloat() * 0.2f + 0.5f;
// rCol = gCol = bCol = 1.0f*br;
// gCol *= 0.3f;
// rCol *= 0.9f;
// Default colour (0.9f, 0.3f, 1.0f)
// 0xE64DFF
unsigned int colour = Minecraft::GetInstance()->getColourTable()->getColor(
eMinecraftColour_Particle_NetherPortal);
int r = (colour >> 16) & 0xFF;
int g = (colour >> 8) & 0xFF;
int b = colour & 0xFF;
rCol = (r / 255.0f) * br;
gCol = (g / 255.0f) * br;
bCol = (b / 255.0f) * br;
lifetime = (int)(Math::random() * 10) + 40;
noPhysics = true;
setMiscTex((int)(Math::random() * 8));
}
void NetherPortalParticle::render(Tesselator* t, float a, float xa, float ya,
float za, float xa2, float za2) {
float s = (age + a) / (float)lifetime;
s = 1 - s;
s = s * s;
s = 1 - s;
size = oSize * (s);
Particle::render(t, a, xa, ya, za, xa2, za2);
}
// 4J - brought forward from 1.8.2
int NetherPortalParticle::getLightColor(float a) {
int br = Particle::getLightColor(a);
float pos = age / (float)lifetime;
pos = pos * pos;
pos = pos * pos;
int br1 = (br) & 0xff;
int br2 = (br >> 16) & 0xff;
br2 += (int)(pos * 15 * 16);
if (br2 > 15 * 16) br2 = 15 * 16;
return br1 | br2 << 16;
}
float NetherPortalParticle::getBrightness(float a) {
float br = Particle::getBrightness(a);
float pos = age / (float)lifetime;
pos = pos * pos;
pos = pos * pos;
return br * (1 - pos) + pos;
}
void NetherPortalParticle::tick() {
xo = x;
yo = y;
zo = z;
float pos = age / (float)lifetime;
float a = pos;
pos = -pos + pos * pos * 2;
// pos = pos*pos;
// pos = pos*pos;
pos = 1 - pos;
x = xStart + xd * pos;
y = yStart + yd * pos + (1 - a);
z = zStart + zd * pos;
// spd+=0.002/lifetime*age;
if (age++ >= lifetime) remove();
// move(xd*spd, yd*spd, zd*spd);
}