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#include "stdafx.h"
#include "MinecartRenderer.h"
#include "MinecartModel.h"
#include "TextureAtlas.h"
#include "..\Minecraft.World\net.minecraft.world.entity.item.h"
#include "..\Minecraft.World\net.minecraft.world.level.tile.h"
ResourceLocation MinecartRenderer::MINECART_LOCATION(TN_ITEM_CART);
MinecartRenderer::MinecartRenderer()
{
this->shadowRadius = 0.5f;
model = new MinecartModel();
renderer = new TileRenderer();
}
void MinecartRenderer::render(shared_ptr<Entity> _cart, double x, double y, double z, float rot, float a)
{
// 4J - dynamic cast required because we aren't using templates/generics in our version
shared_ptr<Minecart> cart = dynamic_pointer_cast<Minecart>(_cart);
glPushMatrix();
bindTexture(cart);
int64_t seed = cart->entityId * 493286711l;
seed = seed * seed * 4392167121l + seed * 98761;
float xo = ((((seed >> 16) & 0x7) + 0.5f) / 8.0f - 0.5f) * 0.004f;
float yo = ((((seed >> 20) & 0x7) + 0.5f) / 8.0f - 0.5f) * 0.004f;
float zo = ((((seed >> 24) & 0x7) + 0.5f) / 8.0f - 0.5f) * 0.004f;
glTranslatef(xo, yo, zo);
double xx = cart->xOld + (cart->x - cart->xOld) * a;
double yy = cart->yOld + (cart->y - cart->yOld) * a;
double zz = cart->zOld + (cart->z - cart->zOld) * a;
double r = 0.3f;
Vec3 *p = cart->getPos(xx, yy, zz);
float xRot = cart->xRotO + (cart->xRot - cart->xRotO) * a;
if (p != NULL)
{
Vec3 *p0 = cart->getPosOffs(xx, yy, zz, r);
Vec3 *p1 = cart->getPosOffs(xx, yy, zz, -r);
if (p0 == NULL) p0 = p;
if (p1 == NULL) p1 = p;
x += p->x - xx;
y += (p0->y + p1->y) / 2 - yy;
z += p->z - zz;
Vec3 *dir = p1->add(-p0->x, -p0->y, -p0->z);
if (dir->length() == 0)
{
}
else
{
dir = dir->normalize();
rot = (float) (atan2(dir->z, dir->x) * 180 / PI);
xRot = (float) (atan(dir->y) * 73);
}
}
glTranslatef((float) x, (float) y, (float) z);
glRotatef(180 - rot, 0, 1, 0);
glRotatef(-xRot, 0, 0, 1);
float hurt = cart->getHurtTime() - a;
float dmg = cart->getDamage() - a;
if (dmg < 0) dmg = 0;
if (hurt > 0)
{
glRotatef(Mth::sin(hurt) * hurt * dmg / 10 * cart->getHurtDir(), 1, 0, 0);
}
int yOffset = cart->getDisplayOffset();
Tile *tile = cart->getDisplayTile();
int tileData = cart->getDisplayData();
if (tile != NULL)
{
glPushMatrix();
bindTexture(&TextureAtlas::LOCATION_BLOCKS);
float ss = 12 / 16.0f;
glScalef(ss, ss, ss);
glTranslatef(0 / 16.f, yOffset / 16.f, 0 / 16.f);
renderMinecartContents(cart, a, tile, tileData);
glPopMatrix();
glColor4f(1, 1, 1, 1);
bindTexture(cart);
}
glScalef(-1, -1, 1);
model->render(cart, 0, 0, -0.1f, 0, 0, 1 / 16.0f, true);
glPopMatrix();
/*
if (cart->type != Minecart::RIDEABLE)
{
glPushMatrix();
bindTexture(TN_TERRAIN); // 4J was L"/terrain.png"
float ss = 12 / 16.0f;
glScalef(ss, ss, ss);
// 4J - changes here brought forward from 1.2.3
if (cart->type == Minecart::CHEST)
{
glTranslatef(0 / 16.0f, 8 / 16.0f, 0 / 16.0f);
TileRenderer *tr = new TileRenderer();
tr->renderTile(Tile::chest, 0, cart->getBrightness(a));
delete tr;
}
else if (cart->type == Minecart::FURNACE)
{
glTranslatef(0, 6 / 16.0f, 0);
TileRenderer *tr = new TileRenderer();
tr->renderTile(Tile::furnace, 0, cart->getBrightness(a));
delete tr;
}
glPopMatrix();
glColor4f(1, 1, 1, 1);
}
bindTexture(TN_ITEM_CART); // 4J - was L"/item/cart.png"
glScalef(-1, -1, 1);
// model.render(0, 0, cart->getLootContent() * 7.1f - 0.1f, 0, 0, 1 /
// 16.0f);
model->render(cart, 0, 0, -0.1f, 0, 0, 1 / 16.0f, true);
glPopMatrix();
*/
}
ResourceLocation *MinecartRenderer::getTextureLocation(shared_ptr<Entity> mob)
{
return &MINECART_LOCATION;
}
void MinecartRenderer::renderMinecartContents(shared_ptr<Minecart> cart, float a, Tile *tile, int tileData)
{
float brightness = cart->getBrightness(a);
glPushMatrix();
renderer->renderTile(tile, tileData, brightness);
glPopMatrix();
}
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