aboutsummaryrefslogtreecommitdiff
path: root/advtrains_train_steam
ModeNameSize
-rwxr-xr-xdepends.txt41logplain
-rwxr-xr-xinit.lua7643logplain
d---------locale34logplain
d---------models272logplain
-rw-r--r--screenshot.png809738logplain
d---------sounds107logplain
d---------textures446logplain
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 16:06:38 +0000
134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 
/*
Minetest
Copyright (C) 2010-2014 kwolekr, Ryan Kwolek <kwolekr@minetest.net>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser 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 "test.h"

#include <cmath>
#include "exceptions.h"
#include "noise.h"

class TestNoise : public TestBase {
public:
	TestNoise() { TestManager::registerTestModule(this); }
	const char *getName() { return "TestNoise"; }

	void runTests(IGameDef *gamedef);

	void testNoise2dPoint();
	void testNoise2dBulk();
	void testNoise3dPoint();
	void testNoise3dBulk();
	void testNoiseInvalidParams();

	static const float expected_2d_results[10 * 10];
	static const float expected_3d_results[10 * 10 * 10];
};

static TestNoise g_test_instance;

void TestNoise::runTests(IGameDef *gamedef)
{
	TEST(testNoise2dPoint);
	TEST(testNoise2dBulk);
	TEST(testNoise3dPoint);
	TEST(testNoise3dBulk);
	TEST(testNoiseInvalidParams);
}

////////////////////////////////////////////////////////////////////////////////

void TestNoise::testNoise2dPoint()
{
	NoiseParams np_normal(20, 40, v3f(50, 50, 50), 9,  5, 0.6, 2.0);

	u32 i = 0;
	for (u32 y = 0; y != 10; y++)
	for (u32 x = 0; x != 10; x++, i++) {
		float actual   = NoisePerlin2D(&np_normal, x, y, 1337);
		float expected = expected_2d_results[i];
		UASSERT(std::fabs(actual - expected) <= 0.00001);
	}
}

void TestNoise::testNoise2dBulk()
{
	NoiseParams np_normal(20, 40, v3f(50, 50, 50), 9,  5, 0.6, 2.0);
	Noise noise_normal_2d(&np_normal, 1337, 10, 10);
	float *noisevals = noise_normal_2d.perlinMap2D(0, 0, NULL);

	for (u32 i = 0; i != 10 * 10; i++) {
		float actual   = noisevals[i];
		float expected = expected_2d_results[i];
		UASSERT(std::fabs(actual - expected) <= 0.00001);
	}
}

void TestNoise::testNoise3dPoint()
{
	NoiseParams np_normal(20, 40, v3f(50, 50, 50), 9,  5, 0.6, 2.0);

	u32 i = 0;
	for (u32 z = 0; z != 10; z++)
	for (u32 y = 0; y != 10; y++)
	for (u32 x = 0; x != 10; x++, i++) {
		float actual   = NoisePerlin3D(&np_normal, x, y, z, 1337);
		float expected = expected_3d_results[i];
		UASSERT(std::fabs(actual - expected) <= 0.00001);
	}
}

void TestNoise::testNoise3dBulk()
{
	NoiseParams np_normal(20, 40, v3f(50, 50, 50), 9, 5, 0.6, 2.0);
	Noise noise_normal_3d(&np_normal, 1337, 10, 10, 10);
	float *noisevals = noise_normal_3d.perlinMap3D(0, 0, 0, NULL);

	for (u32 i = 0; i != 10 * 10 * 10; i++) {
		float actual   = noisevals[i];
		float expected = expected_3d_results[i];
		UASSERT(std::fabs(actual - expected) <= 0.00001);
	}
}

void TestNoise::testNoiseInvalidParams()
{
	bool exception_thrown = false;

	try {
		NoiseParams np_highmem(4, 70, v3f(1, 1, 1), 5, 60, 0.7, 10.0);
		Noise noise_highmem_3d(&np_highmem, 1337, 200, 200, 200);
		noise_highmem_3d.perlinMap3D(0, 0, 0, NULL);
	} catch (InvalidNoiseParamsException &) {
		exception_thrown = true;
	}

	UASSERT(exception_thrown);
}

const float TestNoise::expected_2d_results[10 * 10] = {
	19.11726, 18.49626, 16.48476, 15.02135, 14.75713, 16.26008, 17.54822,
	18.06860, 18.57016, 18.48407, 18.49649, 17.89160, 15.94162, 14.54901,
	14.31298, 15.72643, 16.94669, 17.55494, 18.58796, 18.87925, 16.08101,
	15.53764, 13.83844, 12.77139, 12.73648, 13.95632, 14.97904, 15.81829,
	18.37694, 19.73759, 13.19182, 12.71924, 11.34560, 10.78025, 11.18980,
	12.52303, 13.45012, 14.30001, 17.43298, 19.15244, 10.93217, 10.48625,
	 9.30923,  9.18632, 10.16251, 12.11264, 13.19697, 13.80801, 16.39567,
	17.66203, 10.40222,  9.86070,  8.47223,  8.45471, 10.04780, 13.54730,
	15.33709, 15.48503, 16.46177, 16.52508, 10.80333, 10.19045,  8.59420,
	 8.47646, 10.22676, 14.43173, 16.48353, 16.24859, 16.20863, 15.52847,
	11.01179, 10.45209,  8.98678,  8.83986, 10.43004, 14.46054, 16.29387,
	15.73521, 15.01744, 13.85542, 10.55201, 10.33375,  9.85102, 10.07821,
	11.58235, 15.62046, 17.35505, 16.13181, 12.66011,  9.51853, 11.50994,
	11.54074, 11.77989, 12.29790, 13.76139, 17.81982, 19.49008, 17.79470,
	12.34344,  7.78363,
};

const float TestNoise::expected_3d_results[10 * 10 * 10] = {
	19.11726, 18.01059, 16.90392, 15.79725, 16.37154, 17.18597, 18.00040,
	18.33467, 18.50889, 18.68311, 17.85386, 16.90585, 15.95785, 15.00985,
	15.61132, 16.43415, 17.25697, 17.95415, 18.60942, 19.26471, 16.59046,
	15.80112, 15.01178, 14.22244, 14.85110, 15.68232, 16.51355, 17.57361,
	18.70996, 19.84631, 15.32705, 14.69638, 14.06571, 13.43504, 14.09087,
	14.93050, 15.77012, 17.19309, 18.81050, 20.42790, 15.06729, 14.45855,
	13.84981, 13.24107, 14.39364, 15.79782, 17.20201, 18.42640, 19.59085,
	20.75530, 14.95090, 14.34456, 13.73821, 13.13187, 14.84825, 16.89645,
	18.94465, 19.89025, 20.46832, 21.04639, 14.83452, 14.23057, 13.62662,
	13.02267, 15.30287, 17.99508, 20.68730, 21.35411, 21.34580, 21.33748,
	15.39817, 15.03590, 14.67364, 14.31137, 16.78242, 19.65824, 22.53405,
	22.54626, 21.60395, 20.66164, 16.18850, 16.14768, 16.10686, 16.06603,
	18.60362, 21.50956, 24.41549, 23.64784, 21.65566, 19.66349, 16.97884,
	17.25946, 17.54008, 17.82069, 20.42482, 23.36088, 26.29694, 24.74942,
	21.70738, 18.66534, 18.78506, 17.51834, 16.25162, 14.98489, 15.14217,
	15.50287, 15.86357, 16.40597, 17.00895, 17.61193, 18.20160, 16.98795,
	15.77430, 14.56065, 14.85059, 15.35533, 15.86007, 16.63399, 17.49763,
	18.36128, 17.61814, 16.45757, 15.29699, 14.13641, 14.55902, 15.20779,
	15.85657, 16.86200, 17.98632, 19.11064, 17.03468, 15.92718, 14.81968,
	13.71218, 14.26744, 15.06026, 15.85306, 17.09001, 18.47501, 19.86000,
	16.67870, 15.86256, 15.04641, 14.23026, 15.31397, 16.66909, 18.02420,
	18.89042, 19.59369, 20.29695, 16.35522, 15.86447, 15.37372, 14.88297,
	16.55165, 18.52883, 20.50600, 20.91547, 20.80237, 20.68927, 16.03174,
	15.86639, 15.70103, 15.53568, 17.78933, 20.38857, 22.98780, 22.94051,
	22.01105, 21.08159, 16.42434, 16.61407, 16.80381, 16.99355, 19.16133,
	21.61169, 24.06204, 23.65252, 22.28970, 20.92689, 17.05562, 17.61035,
	18.16508, 18.71981, 20.57809, 22.62260, 24.66711, 23.92686, 22.25835,
	20.58984, 17.68691, 18.60663, 19.52635, 20.44607, 21.99486, 23.63352,
	25.27217, 24.20119, 22.22699, 20.25279, 18.45285, 17.02608, 15.59931,
	14.17254, 13.91279, 13.81976, 13.72674, 14.47727, 15.50900, 16.54073,
	18.54934, 17.07005, 15.59076, 14.11146, 14.08987, 14.27651, 14.46316,
	15.31383, 16.38584, 17.45785, 18.64582, 17.11401, 15.58220, 14.05039,
	14.26694, 14.73326, 15.19958, 16.15038, 17.26268, 18.37498, 18.74231,
	17.15798, 15.57364, 13.98932, 14.44402, 15.19001, 15.93600, 16.98694,
	18.13952, 19.29210, 18.29012, 17.26656, 16.24301, 15.21946, 16.23430,
	17.54035, 18.84639, 19.35445, 19.59653, 19.83860, 17.75954, 17.38438,
	17.00923, 16.63407, 18.25505, 20.16120, 22.06734, 21.94068, 21.13642,
	20.33215, 17.22896, 17.50220, 17.77544, 18.04868, 20.27580, 22.78205,
	25.28829, 24.52691, 22.67631, 20.82571, 17.45050, 18.19224, 18.93398,
	19.67573, 21.54024, 23.56514, 25.59004, 24.75878, 22.97546, 21.19213,
	17.92274, 19.07302, 20.22330, 21.37358, 22.55256, 23.73565, 24.91873,
	24.20587, 22.86103, 21.51619, 18.39499, 19.95381, 21.51263, 23.07145,
	23.56490, 23.90615, 24.24741, 23.65296, 22.74660, 21.84024, 18.12065,
	16.53382, 14.94700, 13.36018, 12.68341, 12.13666, 11.58990, 12.54858,
	14.00906, 15.46955, 18.89708, 17.15214, 15.40721, 13.66227, 13.32914,
	13.19769, 13.06625, 13.99367, 15.27405, 16.55443, 19.67351, 17.77046,
	15.86741, 13.96436, 13.97486, 14.25873, 14.54260, 15.43877, 16.53904,
	17.63931, 20.44994, 18.38877, 16.32761, 14.26645, 14.62059, 15.31977,
	16.01895, 16.88387, 17.80403, 18.72419, 19.90153, 18.67057, 17.43962,
	16.20866, 17.15464, 18.41161, 19.66858, 19.81848, 19.59936, 19.38024,
	19.16386, 18.90429, 18.64473, 18.38517, 19.95845, 21.79357, 23.62868,
	22.96589, 21.47046, 19.97503, 18.42618, 19.13802, 19.84985, 20.56168,
	22.76226, 25.17553, 27.58879, 26.11330, 23.34156, 20.56982, 18.47667,
	19.77041, 21.06416, 22.35790, 23.91914, 25.51859, 27.11804, 25.86504,
	23.66121, 21.45738, 18.78986, 20.53570, 22.28153, 24.02736, 24.52704,
	24.84869, 25.17035, 24.48488, 23.46371, 22.44254, 19.10306, 21.30098,
	23.49890, 25.69682, 25.13494, 24.17879, 23.22265, 23.10473, 23.26621,
	23.42769, 17.93453, 16.72707, 15.51962, 14.31216, 12.96039, 11.58800,
	10.21561, 11.29675, 13.19573, 15.09471, 18.05853, 16.85308, 15.64762,
	14.44216, 13.72634, 13.08047, 12.43459, 13.48912, 15.11045, 16.73179,