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/* | ||
Minetest | ||
Copyright (C) 2023 Vitaliy Lobachevskiy | ||
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. | ||
*/ | ||
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#include "test.h" | ||
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#include <algorithm> | ||
#include <numeric> | ||
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#include "gamedef.h" | ||
#include "dummygamedef.h" | ||
#include "client/content_mapblock.h" | ||
#include "client/mapblock_mesh.h" | ||
#include "client/meshgen/collector.h" | ||
#include "mesh_compare.h" | ||
#include "util/directiontables.h" | ||
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namespace { | ||
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class MockGameDef : public DummyGameDef { | ||
public: | ||
IWritableItemDefManager *item_mgr() noexcept { | ||
return static_cast<IWritableItemDefManager *>(m_itemdef); | ||
} | ||
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NodeDefManager *node_mgr() noexcept { | ||
return const_cast<NodeDefManager *>(m_nodedef); | ||
} | ||
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content_t registerNode(ItemDefinition itemdef, ContentFeatures nodedef) { | ||
item_mgr()->registerItem(itemdef); | ||
return node_mgr()->set(nodedef.name, nodedef); | ||
} | ||
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void finalize() { | ||
node_mgr()->resolveCrossrefs(); | ||
} | ||
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MeshMakeData makeSingleNodeMMD(bool smooth_lighting = true, bool for_shaders = true) | ||
{ | ||
MeshMakeData data{ndef(), 1, for_shaders}; | ||
data.setSmoothLighting(smooth_lighting); | ||
data.m_blockpos = {0, 0, 0}; | ||
for (s16 x = -1; x <= 1; x++) | ||
for (s16 y = -1; y <= 1; y++) | ||
for (s16 z = -1; z <= 1; z++) | ||
data.m_vmanip.setNode({x, y, z}, {CONTENT_AIR, 0, 0}); | ||
return data; | ||
} | ||
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content_t addSimpleNode(std::string name, u32 texture) | ||
{ | ||
ItemDefinition itemdef; | ||
itemdef.type = ITEM_NODE; | ||
itemdef.name = "test:" + name; | ||
itemdef.description = name; | ||
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ContentFeatures f; | ||
f.name = itemdef.name; | ||
f.drawtype = NDT_NORMAL; | ||
f.solidness = 2; | ||
f.alpha = ALPHAMODE_OPAQUE; | ||
for (TileDef &tiledef : f.tiledef) | ||
tiledef.name = name + ".png"; | ||
for (TileSpec &tile : f.tiles) | ||
tile.layers[0].texture_id = texture; | ||
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return registerNode(itemdef, f); | ||
} | ||
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content_t addLiquidSource(std::string name, u32 texture) | ||
{ | ||
ItemDefinition itemdef; | ||
itemdef.type = ITEM_NODE; | ||
itemdef.name = "test:" + name + "_source"; | ||
itemdef.description = name; | ||
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ContentFeatures f; | ||
f.name = itemdef.name; | ||
f.drawtype = NDT_LIQUID; | ||
f.solidness = 1; | ||
f.alpha = ALPHAMODE_BLEND; | ||
f.light_propagates = true; | ||
f.param_type = CPT_LIGHT; | ||
f.liquid_type = LIQUID_SOURCE; | ||
f.liquid_viscosity = 4; | ||
f.groups["liquids"] = 3; | ||
f.liquid_alternative_source = "test:" + name + "_source"; | ||
f.liquid_alternative_flowing = "test:" + name + "_flowing"; | ||
for (TileDef &tiledef : f.tiledef) | ||
tiledef.name = name + ".png"; | ||
for (TileSpec &tile : f.tiles) | ||
tile.layers[0].texture_id = texture; | ||
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return registerNode(itemdef, f); | ||
} | ||
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content_t addLiquidFlowing(std::string name, u32 texture_top, u32 texture_side) | ||
{ | ||
ItemDefinition itemdef; | ||
itemdef.type = ITEM_NODE; | ||
itemdef.name = "test:" + name + "_flowing"; | ||
itemdef.description = name; | ||
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ContentFeatures f; | ||
f.name = itemdef.name; | ||
f.drawtype = NDT_FLOWINGLIQUID; | ||
f.solidness = 0; | ||
f.alpha = ALPHAMODE_BLEND; | ||
f.light_propagates = true; | ||
f.param_type = CPT_LIGHT; | ||
f.liquid_type = LIQUID_FLOWING; | ||
f.liquid_viscosity = 4; | ||
f.groups["liquids"] = 3; | ||
f.liquid_alternative_source = "test:" + name + "_source"; | ||
f.liquid_alternative_flowing = "test:" + name + "_flowing"; | ||
f.tiledef_special[0].name = name + "_top.png"; | ||
f.tiledef_special[1].name = name + "_side.png"; | ||
f.special_tiles[0].layers[0].texture_id = texture_top; | ||
f.special_tiles[1].layers[0].texture_id = texture_side; | ||
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return registerNode(itemdef, f); | ||
} | ||
}; | ||
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void set_light_decode_table() | ||
{ | ||
u8 table[LIGHT_SUN + 1] = { | ||
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, | ||
0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, | ||
}; | ||
memcpy(const_cast<u8 *>(light_decode_table), table, sizeof(table)); | ||
} | ||
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class TestMapblockMeshGenerator : public TestBase { | ||
public: | ||
TestMapblockMeshGenerator() { TestManager::registerTestModule(this); } | ||
const char *getName() override { return "TestMapblockMeshGenerator"; } | ||
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void runTests(IGameDef *gamedef) override; | ||
void testSimpleNode(); | ||
void testSurroundedNode(); | ||
void testInterliquidSame(); | ||
void testInterliquidDifferent(); | ||
}; | ||
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static TestMapblockMeshGenerator g_test_instance; | ||
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void TestMapblockMeshGenerator::runTests(IGameDef *gamedef) | ||
{ | ||
set_light_decode_table(); | ||
TEST(testSimpleNode); | ||
TEST(testSurroundedNode); | ||
TEST(testInterliquidSame); | ||
TEST(testInterliquidDifferent); | ||
} | ||
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namespace quad { | ||
constexpr float h = BS / 2.0f; | ||
const Quad zp{{{{-h, -h, h}, {0, 0, 1}, 0, {1, 1}}, {{h, -h, h}, {0, 0, 1}, 0, {0, 1}}, {{h, h, h}, {0, 0, 1}, 0, {0, 0}}, {{-h, h, h}, {0, 0, 1}, 0, {1, 0}}}}; | ||
const Quad yp{{{{-h, h, -h}, {0, 1, 0}, 0, {0, 1}}, {{-h, h, h}, {0, 1, 0}, 0, {0, 0}}, {{h, h, h}, {0, 1, 0}, 0, {1, 0}}, {{h, h, -h}, {0, 1, 0}, 0, {1, 1}}}}; | ||
const Quad xp{{{{h, -h, -h}, {1, 0, 0}, 0, {0, 1}}, {{h, h, -h}, {1, 0, 0}, 0, {0, 0}}, {{h, h, h}, {1, 0, 0}, 0, {1, 0}}, {{h, -h, h}, {1, 0, 0}, 0, {1, 1}}}}; | ||
const Quad zn{{{{-h, -h, -h}, {0, 0, -1}, 0, {0, 1}}, {{-h, h, -h}, {0, 0, -1}, 0, {0, 0}}, {{h, h, -h}, {0, 0, -1}, 0, {1, 0}}, {{h, -h, -h}, {0, 0, -1}, 0, {1, 1}}}}; | ||
const Quad yn{{{{-h, -h, -h}, {0, -1, 0}, 0, {0, 0}}, {{h, -h, -h}, {0, -1, 0}, 0, {1, 0}}, {{h, -h, h}, {0, -1, 0}, 0, {1, 1}}, {{-h, -h, h}, {0, -1, 0}, 0, {0, 1}}}}; | ||
const Quad xn{{{{-h, -h, -h}, {-1, 0, 0}, 0, {1, 1}}, {{-h, -h, h}, {-1, 0, 0}, 0, {0, 1}}, {{-h, h, h}, {-1, 0, 0}, 0, {0, 0}}, {{-h, h, -h}, {-1, 0, 0}, 0, {1, 0}}}}; | ||
} | ||
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void TestMapblockMeshGenerator::testSimpleNode() | ||
{ | ||
MockGameDef gamedef; | ||
content_t stone = gamedef.addSimpleNode("stone", 42); | ||
gamedef.finalize(); | ||
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MeshMakeData data = gamedef.makeSingleNodeMMD(); | ||
data.m_vmanip.setNode({0, 0, 0}, {stone, 0, 0}); | ||
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MeshCollector col{{}}; | ||
MapblockMeshGenerator mg{&data, &col, nullptr}; | ||
mg.generate(); | ||
UASSERTEQ(std::size_t, col.prebuffers[0].size(), 1); | ||
UASSERTEQ(std::size_t, col.prebuffers[1].size(), 0); | ||
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auto &&buf = col.prebuffers[0][0]; | ||
UASSERTEQ(u32, buf.layer.texture_id, 42); | ||
UASSERT(checkMeshEqual(buf.vertices, buf.indices, {quad::xn, quad::xp, quad::yn, quad::yp, quad::zn, quad::zp})); | ||
} | ||
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void TestMapblockMeshGenerator::testSurroundedNode() | ||
{ | ||
MockGameDef gamedef; | ||
content_t stone = gamedef.addSimpleNode("stone", 42); | ||
content_t wood = gamedef.addSimpleNode("wood", 13); | ||
gamedef.finalize(); | ||
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MeshMakeData data = gamedef.makeSingleNodeMMD(); | ||
data.m_vmanip.setNode({0, 0, 0}, {stone, 0, 0}); | ||
data.m_vmanip.setNode({1, 0, 0}, {wood, 0, 0}); | ||
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MeshCollector col{{}}; | ||
MapblockMeshGenerator mg{&data, &col, nullptr}; | ||
mg.generate(); | ||
UASSERTEQ(std::size_t, col.prebuffers[0].size(), 1); | ||
UASSERTEQ(std::size_t, col.prebuffers[1].size(), 0); | ||
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auto &&buf = col.prebuffers[0][0]; | ||
UASSERTEQ(u32, buf.layer.texture_id, 42); | ||
UASSERT(checkMeshEqual(buf.vertices, buf.indices, {quad::xn, quad::yn, quad::yp, quad::zn, quad::zp})); | ||
} | ||
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void TestMapblockMeshGenerator::testInterliquidSame() | ||
{ | ||
MockGameDef gamedef; | ||
auto water = gamedef.addLiquidSource("water", 42); | ||
gamedef.finalize(); | ||
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MeshMakeData data = gamedef.makeSingleNodeMMD(); | ||
data.m_vmanip.setNode({0, 0, 0}, {water, 0, 0}); | ||
data.m_vmanip.setNode({1, 0, 0}, {water, 0, 0}); | ||
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MeshCollector col{{}}; | ||
MapblockMeshGenerator mg{&data, &col, nullptr}; | ||
mg.generate(); | ||
UASSERTEQ(std::size_t, col.prebuffers[0].size(), 1); | ||
UASSERTEQ(std::size_t, col.prebuffers[1].size(), 0); | ||
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auto &&buf = col.prebuffers[0][0]; | ||
UASSERTEQ(u32, buf.layer.texture_id, 42); | ||
UASSERT(checkMeshEqual(buf.vertices, buf.indices, {quad::xn, quad::yn, quad::yp, quad::zn, quad::zp})); | ||
} | ||
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void TestMapblockMeshGenerator::testInterliquidDifferent() | ||
{ | ||
MockGameDef gamedef; | ||
auto water = gamedef.addLiquidSource("water", 42); | ||
auto lava = gamedef.addLiquidSource("lava", 13); | ||
gamedef.finalize(); | ||
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MeshMakeData data = gamedef.makeSingleNodeMMD(); | ||
data.m_vmanip.setNode({0, 0, 0}, {water, 0, 0}); | ||
data.m_vmanip.setNode({0, 0, 1}, {lava, 0, 0}); | ||
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MeshCollector col{{}}; | ||
MapblockMeshGenerator mg{&data, &col, nullptr}; | ||
mg.generate(); | ||
UASSERTEQ(std::size_t, col.prebuffers[0].size(), 1); | ||
UASSERTEQ(std::size_t, col.prebuffers[1].size(), 0); | ||
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auto &&buf = col.prebuffers[0][0]; | ||
UASSERTEQ(u32, buf.layer.texture_id, 42); | ||
UASSERT(checkMeshEqual(buf.vertices, buf.indices, {quad::xn, quad::xp, quad::yn, quad::yp, quad::zn, quad::zp})); | ||
} | ||
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} |