4jcraft/Minecraft.Client/Rendering/EntityRenderers/BeaconRenderer.cpp
2026-03-21 22:28:58 -05:00

140 lines
4.7 KiB
C++

#include "../../Platform/stdafx.h"
#include "../../../Minecraft.World/Headers/net.minecraft.world.level.tile.entity.h"
#include "../../../Minecraft.World/Headers/net.minecraft.world.level.h"
#include "BeaconRenderer.h"
#include "../Tesselator.h"
ResourceLocation BeaconRenderer::BEAM_LOCATION =
ResourceLocation(TN_MISC_BEACON_BEAM);
void BeaconRenderer::render(std::shared_ptr<TileEntity> _beacon, double x,
double y, double z, float a, bool setColor,
float alpha, bool useCompiled) {
std::shared_ptr<BeaconTileEntity> beacon =
std::dynamic_pointer_cast<BeaconTileEntity>(_beacon);
float scale = beacon->getAndUpdateClientSideScale();
if (scale > 0) {
Tesselator* t = Tesselator::getInstance();
bindTexture(&BEAM_LOCATION);
// TODO: 4J: Put this back in
// assert(0);
// glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
// glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glDisable(GL_LIGHTING);
glDisable(GL_CULL_FACE);
glDisable(GL_BLEND);
glDepthMask(true);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
float tt = beacon->getLevel()->getGameTime() + a;
float texVOff = -tt * .20f - floor(-tt * .10f);
{
int r = 1;
double rot = tt * .025 * (1 - (r & 1) * 2.5);
t->begin();
t->color(255, 255, 255, 32);
double rr1 = r * 0.2;
double wnx = .5 + cos(rot + PI * .75) * rr1;
double wnz = .5 + sin(rot + PI * .75) * rr1;
double enx = .5 + cos(rot + PI * .25) * rr1;
double enz = .5 + sin(rot + PI * .25) * rr1;
double wsx = .5 + cos(rot + PI * 1.25) * rr1;
double wsz = .5 + sin(rot + PI * 1.25) * rr1;
double esx = .5 + cos(rot + PI * 1.75) * rr1;
double esz = .5 + sin(rot + PI * 1.75) * rr1;
double top = 256 * scale;
double uu1 = 0;
double uu2 = 1;
double vv2 = -1 + texVOff;
double vv1 = 256 * scale * (.5 / rr1) + vv2;
t->vertexUV(x + wnx, y + top, z + wnz, uu2, vv1);
t->vertexUV(x + wnx, y, z + wnz, uu2, vv2);
t->vertexUV(x + enx, y, z + enz, uu1, vv2);
t->vertexUV(x + enx, y + top, z + enz, uu1, vv1);
t->vertexUV(x + esx, y + top, z + esz, uu2, vv1);
t->vertexUV(x + esx, y, z + esz, uu2, vv2);
t->vertexUV(x + wsx, y, z + wsz, uu1, vv2);
t->vertexUV(x + wsx, y + top, z + wsz, uu1, vv1);
t->vertexUV(x + enx, y + top, z + enz, uu2, vv1);
t->vertexUV(x + enx, y, z + enz, uu2, vv2);
t->vertexUV(x + esx, y, z + esz, uu1, vv2);
t->vertexUV(x + esx, y + top, z + esz, uu1, vv1);
t->vertexUV(x + wsx, y + top, z + wsz, uu2, vv1);
t->vertexUV(x + wsx, y, z + wsz, uu2, vv2);
t->vertexUV(x + wnx, y, z + wnz, uu1, vv2);
t->vertexUV(x + wnx, y + top, z + wnz, uu1, vv1);
t->end();
}
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDepthMask(false);
{
t->begin();
t->color(255, 255, 255, 32);
double wnx = .2;
double wnz = .2;
double enx = .8;
double enz = .2;
double wsx = .2;
double wsz = .8;
double esx = .8;
double esz = .8;
double top = 256 * scale;
double uu1 = 0;
double uu2 = 1;
double vv2 = -1 + texVOff;
double vv1 = 256 * scale + vv2;
t->vertexUV(x + wnx, y + top, z + wnz, uu2, vv1);
t->vertexUV(x + wnx, y, z + wnz, uu2, vv2);
t->vertexUV(x + enx, y, z + enz, uu1, vv2);
t->vertexUV(x + enx, y + top, z + enz, uu1, vv1);
t->vertexUV(x + esx, y + top, z + esz, uu2, vv1);
t->vertexUV(x + esx, y, z + esz, uu2, vv2);
t->vertexUV(x + wsx, y, z + wsz, uu1, vv2);
t->vertexUV(x + wsx, y + top, z + wsz, uu1, vv1);
t->vertexUV(x + enx, y + top, z + enz, uu2, vv1);
t->vertexUV(x + enx, y, z + enz, uu2, vv2);
t->vertexUV(x + esx, y, z + esz, uu1, vv2);
t->vertexUV(x + esx, y + top, z + esz, uu1, vv1);
t->vertexUV(x + wsx, y + top, z + wsz, uu2, vv1);
t->vertexUV(x + wsx, y, z + wsz, uu2, vv2);
t->vertexUV(x + wnx, y, z + wnz, uu1, vv2);
t->vertexUV(x + wnx, y + top, z + wnz, uu1, vv1);
t->end();
}
glEnable(GL_LIGHTING);
glEnable(GL_TEXTURE_2D);
glDepthMask(true);
}
}