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Diffstat (limited to 'src/unittest/test_voxelalgorithms.cpp')
| -rw-r--r-- | src/unittest/test_voxelalgorithms.cpp | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/src/unittest/test_voxelalgorithms.cpp b/src/unittest/test_voxelalgorithms.cpp new file mode 100644 index 000000000..2093ff5f8 --- /dev/null +++ b/src/unittest/test_voxelalgorithms.cpp @@ -0,0 +1,204 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +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 "gamedef.h" +#include "voxelalgorithms.h" + +class TestVoxelAlgorithms : public TestBase { +public: + TestVoxelAlgorithms() { TestManager::registerTestModule(this); } + const char *getName() { return "TestVoxelAlgorithms"; } + + void runTests(IGameDef *gamedef); + + void testPropogateSunlight(INodeDefManager *ndef); + void testClearLightAndCollectSources(INodeDefManager *ndef); +}; + +static TestVoxelAlgorithms g_test_instance; + +void TestVoxelAlgorithms::runTests(IGameDef *gamedef) +{ + INodeDefManager *ndef = gamedef->getNodeDefManager(); + + TEST(testPropogateSunlight, ndef); + TEST(testClearLightAndCollectSources, ndef); +} + +//////////////////////////////////////////////////////////////////////////////// + +void TestVoxelAlgorithms::testPropogateSunlight(INodeDefManager *ndef) +{ + VoxelManipulator v; + + for (u16 z = 0; z < 3; z++) + for (u16 y = 0; y < 3; y++) + for (u16 x = 0; x < 3; x++) { + v3s16 p(x,y,z); + v.setNodeNoRef(p, MapNode(CONTENT_AIR)); + } + + VoxelArea a(v3s16(0,0,0), v3s16(2,2,2)); + + { + std::set<v3s16> light_sources; + voxalgo::setLight(v, a, 0, ndef); + voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight( + v, a, true, light_sources, ndef); + //v.print(dstream, ndef, VOXELPRINT_LIGHT_DAY); + UASSERT(res.bottom_sunlight_valid == true); + UASSERT(v.getNode(v3s16(1,1,1)).getLight(LIGHTBANK_DAY, ndef) + == LIGHT_SUN); + } + + v.setNodeNoRef(v3s16(0,0,0), MapNode(CONTENT_STONE)); + + { + std::set<v3s16> light_sources; + voxalgo::setLight(v, a, 0, ndef); + voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight( + v, a, true, light_sources, ndef); + UASSERT(res.bottom_sunlight_valid == true); + UASSERT(v.getNode(v3s16(1,1,1)).getLight(LIGHTBANK_DAY, ndef) + == LIGHT_SUN); + } + + { + std::set<v3s16> light_sources; + voxalgo::setLight(v, a, 0, ndef); + voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight( + v, a, false, light_sources, ndef); + UASSERT(res.bottom_sunlight_valid == true); + UASSERT(v.getNode(v3s16(2,0,2)).getLight(LIGHTBANK_DAY, ndef) + == 0); + } + + v.setNodeNoRef(v3s16(1,3,2), MapNode(CONTENT_STONE)); + + { + std::set<v3s16> light_sources; + voxalgo::setLight(v, a, 0, ndef); + voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight( + v, a, true, light_sources, ndef); + UASSERT(res.bottom_sunlight_valid == true); + UASSERT(v.getNode(v3s16(1,1,2)).getLight(LIGHTBANK_DAY, ndef) + == 0); + } + + { + std::set<v3s16> light_sources; + voxalgo::setLight(v, a, 0, ndef); + voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight( + v, a, false, light_sources, ndef); + UASSERT(res.bottom_sunlight_valid == true); + UASSERT(v.getNode(v3s16(1,0,2)).getLight(LIGHTBANK_DAY, ndef) + == 0); + } + + { + MapNode n(CONTENT_AIR); + n.setLight(LIGHTBANK_DAY, 10, ndef); + v.setNodeNoRef(v3s16(1,-1,2), n); + } + + { + std::set<v3s16> light_sources; + voxalgo::setLight(v, a, 0, ndef); + voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight( + v, a, true, light_sources, ndef); + UASSERT(res.bottom_sunlight_valid == true); + } + + { + std::set<v3s16> light_sources; + voxalgo::setLight(v, a, 0, ndef); + voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight( + v, a, false, light_sources, ndef); + UASSERT(res.bottom_sunlight_valid == true); + } + + { + MapNode n(CONTENT_AIR); + n.setLight(LIGHTBANK_DAY, LIGHT_SUN, ndef); + v.setNodeNoRef(v3s16(1,-1,2), n); + } + + { + std::set<v3s16> light_sources; + voxalgo::setLight(v, a, 0, ndef); + voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight( + v, a, true, light_sources, ndef); + UASSERT(res.bottom_sunlight_valid == false); + } + + { + std::set<v3s16> light_sources; + voxalgo::setLight(v, a, 0, ndef); + voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight( + v, a, false, light_sources, ndef); + UASSERT(res.bottom_sunlight_valid == false); + } + + v.setNodeNoRef(v3s16(1,3,2), MapNode(CONTENT_IGNORE)); + + { + std::set<v3s16> light_sources; + voxalgo::setLight(v, a, 0, ndef); + voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight( + v, a, true, light_sources, ndef); + UASSERT(res.bottom_sunlight_valid == true); + } +} + +void TestVoxelAlgorithms::testClearLightAndCollectSources(INodeDefManager *ndef) +{ + VoxelManipulator v; + + for (u16 z = 0; z < 3; z++) + for (u16 y = 0; y < 3; y++) + for (u16 x = 0; x < 3; x++) { + v3s16 p(x,y,z); + v.setNode(p, MapNode(CONTENT_AIR)); + } + + VoxelArea a(v3s16(0,0,0), v3s16(2,2,2)); + v.setNodeNoRef(v3s16(0,0,0), MapNode(CONTENT_STONE)); + v.setNodeNoRef(v3s16(1,1,1), MapNode(CONTENT_TORCH)); + + { + MapNode n(CONTENT_AIR); + n.setLight(LIGHTBANK_DAY, 1, ndef); + v.setNode(v3s16(1,1,2), n); + } + + { + std::set<v3s16> light_sources; + std::map<v3s16, u8> unlight_from; + voxalgo::clearLightAndCollectSources(v, a, LIGHTBANK_DAY, + ndef, light_sources, unlight_from); + //v.print(dstream, ndef, VOXELPRINT_LIGHT_DAY); + UASSERT(v.getNode(v3s16(0,1,1)).getLight(LIGHTBANK_DAY, ndef) == 0); + UASSERT(light_sources.find(v3s16(1,1,1)) != light_sources.end()); + UASSERT(light_sources.size() == 1); + UASSERT(unlight_from.find(v3s16(1,1,2)) != unlight_from.end()); + UASSERT(unlight_from.size() == 1); + } +} |