4jcraft/Minecraft.Client/Rendering/Particles/BreakingItemParticle.cpp
2026-03-13 17:10:10 -05:00

72 lines
2.9 KiB
C++

#include "../../Platform/stdafx.h"
#include "BreakingItemParticle.h"
#include "../Tesselator.h"
#include "../../../Minecraft.World/Headers/net.minecraft.world.level.tile.h"
#include "../../../Minecraft.World/Headers/net.minecraft.world.item.h"
#include "../../../Minecraft.World/Headers/net.minecraft.world.h"
void BreakingItemParticle::_init(Item* item, Textures* textures, int data) {
this->setTex(textures, item->getIcon(data));
rCol = gCol = bCol = 1.0f;
gravity = Tile::snow->gravity;
size /= 2;
}
BreakingItemParticle::BreakingItemParticle(Level* level, double x, double y,
double z, Item* item,
Textures* textures, int data)
: Particle(level, x, y, z, 0, 0, 0) {
_init(item, textures, data);
}
BreakingItemParticle::BreakingItemParticle(Level* level, double x, double y,
double z, double xa, double ya,
double za, Item* item,
Textures* textures, int data)
: Particle(level, x, y, z, 0, 0, 0) {
_init(item, textures, data);
xd *= 0.1f;
yd *= 0.1f;
zd *= 0.1f;
xd += xa;
yd += ya;
zd += za;
}
int BreakingItemParticle::getParticleTexture() {
return ParticleEngine::ITEM_TEXTURE;
}
void BreakingItemParticle::render(Tesselator* t, float a, float xa, float ya,
float za, float xa2, float za2) {
float u0 = (texX + uo / 4.0f) / 16.0f;
float u1 = u0 + 0.999f / 16.0f / 4;
float v0 = (texY + vo / 4.0f) / 16.0f;
float v1 = v0 + 0.999f / 16.0f / 4;
float r = 0.1f * size;
if (tex != NULL) {
u0 = tex->getU((uo / 4.0f) * SharedConstants::WORLD_RESOLUTION);
u1 = tex->getU(((uo + 1) / 4.0f) * SharedConstants::WORLD_RESOLUTION);
v0 = tex->getV((vo / 4.0f) * SharedConstants::WORLD_RESOLUTION);
v1 = tex->getV(((vo + 1) / 4.0f) * SharedConstants::WORLD_RESOLUTION);
}
float x = (float)(xo + (this->x - xo) * a - xOff);
float y = (float)(yo + (this->y - yo) * a - yOff);
float z = (float)(zo + (this->z - zo) * a - zOff);
float br =
SharedConstants::TEXTURE_LIGHTING
? 1
: getBrightness(a); // 4J - change brought forward from 1.8.2
t->color(br * rCol, br * gCol, br * bCol);
t->vertexUV((float)(x - xa * r - xa2 * r), (float)(y - ya * r),
(float)(z - za * r - za2 * r), (float)(u0), (float)(v1));
t->vertexUV((float)(x - xa * r + xa2 * r), (float)(y + ya * r),
(float)(z - za * r + za2 * r), (float)(u0), (float)(v0));
t->vertexUV((float)(x + xa * r + xa2 * r), (float)(y + ya * r),
(float)(z + za * r + za2 * r), (float)(u1), (float)(v0));
t->vertexUV((float)(x + xa * r - xa2 * r), (float)(y - ya * r),
(float)(z + za * r - za2 * r), (float)(u1), (float)(v1));
}