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/*
* Copyright (c) 2007-2010, Erik Lindroos <gliptic@gmail.com>
* Copyright (c) 2012, Martin Erik Werner <martinerikwerner@gmail.com>
* This software is released under the The BSD-2-Clause License:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "math.hpp"
#include "reader.hpp"
#include <cmath>
#include <gvl/math/ieee.hpp>
#include "configHelper.hpp"
// TODO: Move to Common or hardcode, I don't think any TC is or would like to change these tables
fixed sinTable[128];
fixed cosTable[128];
int vectorLength(int x, int y)
{
// x*x + y*y fits exactly in a double, so we don't need
// to use gA.
return int(gSqrt(double(x*x) + double(y*y)));
}
void loadTablesFromEXE()
{
FILE* exe = openLieroEXE();
fseek(exe, 0x1C41E, SEEK_SET);
for(int i = 0; i < 128; ++i)
{
cosTable[i] = readSint32(exe);
sinTable[i] = readSint32(exe);
}
}
void loadTablesFromCFG(std::string cfgFilePath)
{
libconfig::Config cfg;
cfg.readFile(cfgFilePath.c_str());
const libconfig::Setting &tables = cfg.lookup("Tables");
for(int i = 0; i < 128; ++i)
{
sinTable[i] = tables["sinTable"][i];
cosTable[i] = tables["cosTable"][i];
}
}
void writeTablesToCFG(std::string cfgFilePath)
{
libconfig::Config cfg;
cfg.readFile(cfgFilePath.c_str());
ConfigHelper cfgHelp;
libconfig::Setting &root = cfg.getRoot();
libconfig::Setting &tables = cfgHelp.getSubgroup(root, "Tables");
libconfig::Setting &sintables = cfgHelp.mkArray(tables, "sinTable");
for(int i = 0; i < 128; ++i)
{
sintables.add(libconfig::Setting::TypeInt) = sinTable[i];
}
libconfig::Setting &costables = cfgHelp.mkArray(tables, "cosTable");
for(int i = 0; i < 128; ++i)
{
costables.add(libconfig::Setting::TypeInt) = cosTable[i];
}
cfg.writeFile(cfgFilePath.c_str());
}
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