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71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
#include "ExplodeParticle.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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ExplodeParticle::ExplodeParticle(Level* level, double x, double y, double z,
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double xa, double ya, double za)
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: Particle(level, x, y, z, xa, ya, za) {
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xd = xa + (float)(Math::random() * 2 - 1) * 0.05f;
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yd = ya + (float)(Math::random() * 2 - 1) * 0.05f;
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zd = za + (float)(Math::random() * 2 - 1) * 0.05f;
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// rCol = gCol = bCol = random->nextFloat()*.3f+.7;
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unsigned int clr = Minecraft::GetInstance()->getColourTable()->getColor(
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eMinecraftColour_Particle_Explode); // 0xFFFFFF
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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() * 0.3f + 0.7f;
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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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size = random->nextFloat() * random->nextFloat() * 6 + 1;
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lifetime = (int)(16 / (random->nextFloat() * 0.8 + 0.2)) + 2;
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// noPhysics = true;
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}
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void ExplodeParticle::render(Tesselator* t, float a, float xa, float ya,
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float za, float xa2, float za2) {
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// 4J - don't render explosion particles that are less than 3 metres away,
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// to try and avoid large particles that are causing us problems with
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// photosensitivity testing
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float x = (float)(xo + (this->x - xo) * a - xOff);
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float y = (float)(yo + (this->y - yo) * a - yOff);
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float z = (float)(zo + (this->z - zo) * a - zOff);
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float distSq = (x * x + y * y + z * z);
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if (distSq < (3.0f * 3.0f)) return;
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Particle::render(t, a, xa, ya, za, xa2, za2);
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}
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void ExplodeParticle::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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setMiscTex(7 - age * 8 / lifetime);
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yd += 0.004;
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move(xd, yd, zd);
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xd *= 0.90f;
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yd *= 0.90f;
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zd *= 0.90f;
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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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} |