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/***************************************************************************
* Copyright (C) 2011 by Blade_Arma *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#include "stdafx.h"
#include "externals.h"
#include <math.h>
// TODO: use malloc and pointer to the array's center.
float gteCoords[0x800 * 2][0x800 * 2][2];
void CALLBACK GPUaddVertex(short sx, short sy, long long fx, long long fy, long long fz)
{
if(bGteAccuracy)
{
if(sx >= -0x800 && sx <= 0x7ff &&
sy >= -0x800 && sy <= 0x7ff)
{
gteCoords[sy + 0x800][sx + 0x800][0] = fx / 65536.0f;
gteCoords[sy + 0x800][sx + 0x800][1] = fy / 65536.0f;
}
}
}
void resetGteVertices()
{
if(bGteAccuracy)
{
memset(gteCoords, 0x00, sizeof(gteCoords));
}
}
int getGteVertex(short sx, short sy, float *fx, float *fy)
{
if(bGteAccuracy)
{
if(sx >= -0x800 && sx <= 0x7ff &&
sy >= -0x800 && sy <= 0x7ff)
{
if((fabsf(gteCoords[sy + 0x800][sx + 0x800][0] - sx) < 1.0) &&
(fabsf(gteCoords[sy + 0x800][sx + 0x800][1] - sy) < 1.0))
{
*fx = gteCoords[sy + 0x800][sx + 0x800][0];
*fy = gteCoords[sy + 0x800][sx + 0x800][1];
return 1;
}
}
}
return 0;
}
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