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// ==============================================================
// This file is part of MegaGlest Unit Tests (www.megaglest.org)
//
// Copyright (C) 2013 Mark Vejvoda
//
// You can redistribute this code 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
// ==============================================================
#include <cppunit/extensions/HelperMacros.h>
#ifdef WIN32
#include <winsock2.h>
#include <winsock.h>
#endif
#include "vec.h"
#include "skill_type.h"
#include <memory>
#include <vector>
#include <algorithm>
#ifdef WIN32
#include <io.h>
#else
#include <unistd.h>
#endif
using namespace Shared::Util;
using namespace Shared::Graphics;
using namespace Glest::Game;
//
// Tests for streflop floating point consistency
//
const int64 PROGRESS_SPEED_MULTIPLIER = 100000;
const float standardAirHeight = 5.0f;
const float FLOAT_TOLERANCE = 1e-10f;
class StreflopTest : public CppUnit::TestFixture {
// Register the suite of tests for this fixture
CPPUNIT_TEST_SUITE( StreflopTest );
CPPUNIT_TEST( test_warmup_cases );
CPPUNIT_TEST( test_known_out_of_synch_cases );
CPPUNIT_TEST_SUITE_END();
// End of Fixture registration
private:
float cellHeight;
Field currField;
float tileSetAirHeight;
int cellLandUnitHeight;
int cellObjectHeight;
SkillClass currSkill;
int curUnitTypeSize;
int64 progress;
Vec2i lastPos;
Vec2i pos;
void reset() {
cellHeight = 0.f;
currField = fLand;
tileSetAirHeight = standardAirHeight;
cellLandUnitHeight = 0;
cellObjectHeight = 0;
currSkill = scStop;
curUnitTypeSize = 0;
progress = 0;
lastPos = Vec2i(0,0);
pos = Vec2i(0,0);
}
public:
StreflopTest() {
#ifdef USE_STREFLOP
//#define STREFLOP_NO_DENORMALS
//
//#if defined(STREFLOP_SSE)
// const char *instruction_set = "[SSE]";
//#elif defined(STREFLOP_X87)
// const char *instruction_set = "[X87]";
//#elif defined(STREFLOP_SOFT)
// const char *instruction_set = "[SOFTFLOAT]";
//#else
// const char *instruction_set = "[none]";
//#endif
//
//#if defined(STREFLOP_NO_DENORMALS)
// const char *denormals = "[no-denormals]";
//#else
// const char *denormals = "[denormals]";
//#endif
//
// printf("Tests - using STREFLOP %s - %s\n",instruction_set,denormals);
streflop_init<streflop::Simple>();
#endif
reset();
}
void test_warmup_cases() {
int unitTypeHeight = 0;
cellHeight = 1.1f;
currField = fLand;
tileSetAirHeight = standardAirHeight;
cellLandUnitHeight = 1;
cellObjectHeight = 0;
currSkill = scMove;
curUnitTypeSize = 1;
progress = 10;
lastPos = Vec2i(1,1);
pos = Vec2i(1,2);
unitTypeHeight = 1;
Vec3f result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [1.6] z [1.0001]"), result.getString() );
unitTypeHeight = 0;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [1.1] z [1.0001]"), result.getString() );
unitTypeHeight = 2;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [2.1] z [1.0001]"), result.getString() );
unitTypeHeight = 1;
currField = fAir;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [6.6] z [1.0001]"), result.getString() );
unitTypeHeight = 1;
currField = fAir;
currSkill = scAttack;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [6.6] z [2]"), result.getString() );
unitTypeHeight = 1;
currField = fLand;
currSkill = scAttack;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [1.6] z [2]"), result.getString() );
unitTypeHeight = 1;
currField = fLand;
currSkill = scAttack;
cellLandUnitHeight = -1;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [1.6] z [2]"), result.getString() );
unitTypeHeight = 1;
currField = fAir;
currSkill = scAttack;
cellLandUnitHeight = -1;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [6.6] z [2]"), result.getString() );
unitTypeHeight = 1;
currField = fLand;
currSkill = scMove;
cellLandUnitHeight = 2;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [1.6] z [1.0001]"), result.getString() );
unitTypeHeight = 1;
currField = fAir;
currSkill = scMove;
cellLandUnitHeight = 2;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [6.6] z [1.0001]"), result.getString() );
unitTypeHeight = 1;
currField = fLand;
currSkill = scMove;
cellLandUnitHeight = -1;
cellObjectHeight = 0;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [1.6] z [1.0001]"), result.getString() );
unitTypeHeight = 1;
currField = fLand;
currSkill = scMove;
cellLandUnitHeight = -1;
cellObjectHeight = 1;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [1.6] z [1.0001]"), result.getString() );
unitTypeHeight = 1;
currField = fAir;
currSkill = scMove;
cellLandUnitHeight = -1;
cellObjectHeight = 1;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [6.6] z [1.0001]"), result.getString() );
unitTypeHeight = 1;
currField = fLand;
currSkill = scMove;
progress = 1324312;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [1] y [1.6] z [14.2431]"), result.getString() );
cellHeight = 2.870369f;
currField = fLand;
tileSetAirHeight = standardAirHeight;
cellLandUnitHeight = 0;
cellObjectHeight = 0;
currSkill = scAttack;
curUnitTypeSize = 1;
progress = 21250;
lastPos = Vec2i(96,34);
pos = Vec2i(95,35);
unitTypeHeight = 3;
result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [95] y [4.37037] z [35]"), result.getString() );
double x = 1.0;
x /= 10.0;
double y = x;
// THIS IS NOT ALWAYS TRUE without streflop!
CPPUNIT_ASSERT_DOUBLES_EQUAL( x, y, FLOAT_TOLERANCE );
float xf = 1.0;
xf /= 10.0;
float yf = xf;
// THIS IS NOT ALWAYS TRUE without streflop!
CPPUNIT_ASSERT_DOUBLES_EQUAL( xf, yf, FLOAT_TOLERANCE );
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.2f, 0.1f + 0.1f, FLOAT_TOLERANCE );
CPPUNIT_ASSERT_EQUAL( string("0.200000"), floatToStr(0.1f + 0.1f,6) );
CPPUNIT_ASSERT_EQUAL( string("0.2000000"), floatToStr(0.1f + 0.1f,7) );
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.01f, 0.1f * 0.1f, 1e-9 );
CPPUNIT_ASSERT_EQUAL( string("0.010000"), floatToStr(0.1f * 0.1f,6) );
CPPUNIT_ASSERT_EQUAL( string("0.0100000"), floatToStr(0.1f * 0.1f,7) );
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.002877f, 2877.0f / 1000000.0f, FLOAT_TOLERANCE );
CPPUNIT_ASSERT_EQUAL( string("0.002877"), floatToStr(2877.0f / 1000000.0f,6) );
CPPUNIT_ASSERT_EQUAL( string("0.0028770"), floatToStr(2877.0f / 1000000.0f,7) );
}
void test_known_out_of_synch_cases() {
// Documented cases of out of synch go here to test cross platform for
// consistency
int unitTypeHeight = 0;
cellHeight = 2.814814f;
currField = fLand;
tileSetAirHeight = 5.000000f;
cellLandUnitHeight = -1;
cellObjectHeight = -1;
currSkill = scMove;
curUnitTypeSize = 1;
progress = 35145;
lastPos = Vec2i(40,41);
pos = Vec2i(39,40);
unitTypeHeight = 2;
Vec3f result = getCurrVector(unitTypeHeight);
CPPUNIT_ASSERT_EQUAL( string("x [39.6485] y [3.81481] z [40.6485]"), result.getString() );
}
// =========================== Helper Methods =================================
float computeHeight(const Vec2i &pos) const {
float height = cellHeight;
if(currField == fAir) {
float airHeight = tileSetAirHeight;
airHeight = truncateDecimal<float>(airHeight,6);
height += airHeight;
height = truncateDecimal<float>(height,6);
if(cellLandUnitHeight >= 0 && cellLandUnitHeight > airHeight) {
height += (min((float)cellLandUnitHeight,standardAirHeight * 3) - airHeight);
height = truncateDecimal<float>(height,6);
}
else {
if(cellObjectHeight >= 0) {
if(cellObjectHeight > airHeight) {
height += (min((float)cellObjectHeight,standardAirHeight * 3) - airHeight);
height = truncateDecimal<float>(height,6);
}
}
}
}
return height;
}
float getProgressAsFloat() const {
float result = (static_cast<float>(progress) / static_cast<float>(PROGRESS_SPEED_MULTIPLIER));
result = truncateDecimal<float>(result,6);
return result;
}
Vec3f getVectorFlat(const Vec2i &lastPosValue, const Vec2i &curPosValue) const {
Vec3f v;
float y1= computeHeight(lastPosValue);
float y2= computeHeight(curPosValue);
if(currSkill == scMove) {
float progressAsFloat = getProgressAsFloat();
v.x = lastPosValue.x + progressAsFloat * (curPosValue.x - lastPosValue.x);
v.z = lastPosValue.y + progressAsFloat * (curPosValue.y - lastPosValue.y);
v.y = y1 + progressAsFloat * (y2-y1);
v.x = truncateDecimal<float>(v.x,6);
v.y = truncateDecimal<float>(v.y,6);
v.z = truncateDecimal<float>(v.z,6);
}
else {
v.x = static_cast<float>(curPosValue.x);
v.z = static_cast<float>(curPosValue.y);
v.y = y2;
v.x = truncateDecimal<float>(v.x,6);
v.y = truncateDecimal<float>(v.y,6);
v.z = truncateDecimal<float>(v.z,6);
}
v.x += curUnitTypeSize / 2.f - 0.5f;
v.z += curUnitTypeSize / 2.f - 0.5f;
v.x = truncateDecimal<float>(v.x,6);
v.z = truncateDecimal<float>(v.z,6);
return v;
}
Vec3f getCurrVectorFlat() const {
return getVectorFlat(lastPos, pos);
}
Vec3f getCurrVector(int unitTypeHeight) const {
Vec3f result = getCurrVectorFlat() + Vec3f(0.f, unitTypeHeight / 2.f, 0.f);
result.x = truncateDecimal<float>(result.x,6);
result.y = truncateDecimal<float>(result.y,6);
result.z = truncateDecimal<float>(result.z,6);
return result;
}
};
// Test Suite Registrations
CPPUNIT_TEST_SUITE_REGISTRATION( StreflopTest );
//
|
