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#include "stdafx.h"
#include "..\Minecraft.World\IntBuffer.h"
#include "OffsettedRenderList.h"
// 4J added
OffsettedRenderList::OffsettedRenderList()
{
x = y = z = 0;
xOff = yOff = zOff = 0;
lists = MemoryTracker::createIntBuffer(1024 * 64);
inited = false;
rendered = false;
}
void OffsettedRenderList::init(int x, int y, int z, double xOff, double yOff, double zOff)
{
inited = true;
lists->clear();
this->x = x;
this->y = y;
this->z = z;
this->xOff = static_cast<float>(xOff);
this->yOff = static_cast<float>(yOff);
this->zOff = static_cast<float>(zOff);
}
bool OffsettedRenderList::isAt(int x, int y, int z)
{
if (!inited) return false;
return x == this->x && y == this->y && z == this->z;
}
void OffsettedRenderList::add(int list)
{
// 4J - added - chunkList::getList returns -1 when chunks aren't visible, we really don't want to end up sending that to glCallLists
if( list >= 0 )
{
lists->put(list);
}
if (lists->remaining() == 0) render();
}
void OffsettedRenderList::render()
{
if (!inited) return;
if (!rendered)
{
lists->flip();
rendered = true;
}
if (lists->remaining() > 0)
{
glPushMatrix();
glTranslatef(x - xOff, y - yOff, z - zOff);
glCallLists(lists);
glPopMatrix();
}
}
void OffsettedRenderList::clear()
{
inited = false;
rendered = false;
}
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