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daoge_cmd 2026-03-01 12:16:08 +08:00
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commit b691c43c44
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Minecraft.Client/ExperienceOrbRenderer.cpp Normal file
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#include "stdafx.h"
#include "ExperienceOrbRenderer.h"
#include "..\Minecraft.World\net.minecraft.world.entity.h"
#include "..\Minecraft.World\net.minecraft.world.level.tile.h"
#include "..\Minecraft.World\net.minecraft.world.item.h"
#include "Tesselator.h"
#include "EntityRenderDispatcher.h"
#include "..\Minecraft.World\Mth.h"
#include "..\Minecraft.World\JavaMath.h"
ExperienceOrbRenderer::ExperienceOrbRenderer()
{
// 4J In class Java initialisors
tileRenderer = new TileRenderer();
setColor = true;
this->shadowRadius = 0.15f;
this->shadowStrength = 0.75f;
}
void ExperienceOrbRenderer::render(shared_ptr<Entity> _orb, double x, double y, double z, float rot, float a)
{
shared_ptr<ExperienceOrb> orb = dynamic_pointer_cast<ExperienceOrb>(_orb);
glPushMatrix();
glTranslatef((float) x, (float) y, (float) z);
int icon = orb->getIcon();
bindTexture(TN_ITEM_EXPERIENCE_ORB); // 4J was L"/item/xporb.png"
Tesselator *t = Tesselator::getInstance();
float u0 = ((icon % 4) * 16 + 0) / 64.0f;
float u1 = ((icon % 4) * 16 + 16) / 64.0f;
float v0 = ((icon / 4) * 16 + 0) / 64.0f;
float v1 = ((icon / 4) * 16 + 16) / 64.0f;
float r = 1.0f;
float xo = 0.5f;
float yo = 0.25f;
if (SharedConstants::TEXTURE_LIGHTING)
{
int col = orb->getLightColor(a);
int u = col % 65536;
int v = col / 65536;
glMultiTexCoord2f(GL_TEXTURE1, u / 1.0f, v / 1.0f);
glColor4f(1, 1, 1, 1);
}
else
{
float br = orb->getBrightness(a);
glColor4f(br, br, br, 1);
}
float br = 255.0f;
float rr = (orb->tickCount + a) / 2;
int rc = (int) ((Mth::sin(rr + 0 * PI * 2 / 3) + 1) * 0.5f * br);
int gc = (int) (br);
int bc = (int) ((Mth::sin(rr + 2 * PI * 2 / 3) + 1) * 0.1f * br);
int col = rc << 16 | gc << 8 | bc;
glRotatef(180 - entityRenderDispatcher->playerRotY, 0, 1, 0);
glRotatef(-entityRenderDispatcher->playerRotX, 1, 0, 0);
float s = 0.3f;
glScalef(s, s, s);
t->begin();
t->color(col, 128);
t->normal(0, 1, 0);
t->vertexUV(0 - xo, 0 - yo, 0, u0, v1);
t->vertexUV(r - xo, 0 - yo, 0, u1, v1);
t->vertexUV(r - xo, 1 - yo, 0, u1, v0);
t->vertexUV(0 - xo, 1 - yo, 0, u0, v0);
t->end();
glDisable(GL_BLEND);
glDisable(GL_RESCALE_NORMAL);
glPopMatrix();
}
void ExperienceOrbRenderer::blit(int x, int y, int sx, int sy, int w, int h)
{
float blitOffset = 0;
float us = 1 / 256.0f;
float vs = 1 / 256.0f;
Tesselator *t = Tesselator::getInstance();
t->begin();
t->vertexUV(x + 0, y + h, blitOffset, (sx + 0) * us, (sy + h) * vs);
t->vertexUV(x + w, y + h, blitOffset, (sx + w) * us, (sy + h) * vs);
t->vertexUV(x + w, y + 0, blitOffset, (sx + w) * us, (sy + 0) * vs);
t->vertexUV(x + 0, y + 0, blitOffset, (sx + 0) * us, (sy + 0) * vs);
t->end();
}