summaryrefslogtreecommitdiffstats
path: root/tests/ChunkData/Copies.cpp
blob: 3555d430117f0d62ceb766a2f9245f336c3ecbd2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
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

#include "Globals.h"
#include "../TestHelpers.h"
#include "ChunkData.h"





/** Helper that copies a data store into a contiguous flat array, filling in a default value for sections that aren't present. */
template <class StoreType, typename GetType, typename DefaultType, typename OutType>
static void CopyAll(const StoreType & Data, GetType Getter, DefaultType Default, OutType & Out)
{
	constexpr auto SectionCount = std::extent_v<OutType> / 16;

	for (size_t Y = 0; Y != 16; Y++)
	{
		const auto Section = (Data.*Getter)(Y);
		static_assert(SectionCount == std::tuple_size<std::remove_pointer_t<decltype(Section)>>::value, "Output array has wrong size");

		if (Section == nullptr)
		{
			std::fill_n(Out + Y * SectionCount, SectionCount, Default);
		}
		else
		{
			std::copy(Section->begin(), Section->end(), Out + Y * SectionCount);
		}
	}
}





/** Performs the entire Copies test. */
static void Test()
{
	LOGD("Test started");

	{
		ChunkBlockData buffer;

		buffer.SetBlock({ 3, 1, 4 }, 0xDE);
		buffer.SetMeta({ 3, 1, 4 }, 0xA);

		ChunkBlockData copy;
		copy.Assign(buffer);
		TEST_EQUAL(copy.GetBlock({ 3, 1, 4 }), 0xDE);
		TEST_EQUAL(copy.GetMeta({ 3, 1, 4 }), 0xA);

		BLOCKTYPE SrcBlockBuffer[16 * 16 * 256];
		NIBBLETYPE SrcNibbleBuffer[16 * 16 * 256 / 2]{};
		for (int i = 0; i < 16 * 16 * 256; i += 4)
		{
			SrcBlockBuffer[i + 0] = 0xde;
			SrcBlockBuffer[i + 1] = 0xad;
			SrcBlockBuffer[i + 2] = 0xbe;
			SrcBlockBuffer[i + 3] = 0xef;
		}

		buffer.SetAll(SrcBlockBuffer, SrcNibbleBuffer);
		BLOCKTYPE DstBlockBuffer[16 * 16 * 256];
		CopyAll(buffer, &ChunkBlockData::GetSection, ChunkBlockData::DefaultValue, DstBlockBuffer);
		TEST_EQUAL(memcmp(SrcBlockBuffer, DstBlockBuffer, (16 * 16 * 256) - 1), 0);

		memset(SrcBlockBuffer, 0x00, 16 * 16 * 256);
		buffer.SetAll(SrcBlockBuffer, SrcNibbleBuffer);
		CopyAll(buffer, &ChunkBlockData::GetSection, ChunkBlockData::DefaultValue, DstBlockBuffer);
		TEST_EQUAL(memcmp(SrcBlockBuffer, DstBlockBuffer, (16 * 16 * 256) - 1), 0);
	}

	{
		ChunkBlockData buffer;

		BLOCKTYPE SrcBlockBuffer[16 * 16 * 256]{};
		NIBBLETYPE SrcNibbleBuffer[16 * 16 * 256 / 2];
		for (int i = 0; i < 16 * 16 * 256 / 2; i += 4)
		{
			SrcNibbleBuffer[i + 0] = 0xde;
			SrcNibbleBuffer[i + 1] = 0xad;
			SrcNibbleBuffer[i + 2] = 0xbe;
			SrcNibbleBuffer[i + 3] = 0xef;
		}

		buffer.SetAll(SrcBlockBuffer, SrcNibbleBuffer);
		NIBBLETYPE DstNibbleBuffer[16 * 16 * 256/ 2];
		CopyAll(buffer, &ChunkBlockData::GetMetaSection, ChunkBlockData::DefaultMetaValue, DstNibbleBuffer);
		TEST_EQUAL(memcmp(SrcNibbleBuffer, DstNibbleBuffer, (16 * 16 * 256 / 2) - 1), 0);

		memset(SrcNibbleBuffer, 0x00, 16 * 16 * 256 /2);
		buffer.SetAll(SrcBlockBuffer, SrcNibbleBuffer);
		CopyAll(buffer, &ChunkBlockData::GetMetaSection, ChunkBlockData::DefaultMetaValue, DstNibbleBuffer);
		TEST_EQUAL(memcmp(SrcNibbleBuffer, DstNibbleBuffer, (16 * 16 * 256 / 2) - 1), 0);
	}

	{
		ChunkLightData buffer;

		NIBBLETYPE SrcNibbleBuffer[16 * 16 * 256 / 2];
		for (int i = 0; i < 16 * 16 * 256 / 2; i += 4)
		{
			SrcNibbleBuffer[i + 0] = 0xde;
			SrcNibbleBuffer[i + 1] = 0xad;
			SrcNibbleBuffer[i + 2] = 0xbe;
			SrcNibbleBuffer[i + 3] = 0xef;
		}

		buffer.SetAll(SrcNibbleBuffer, SrcNibbleBuffer);
		NIBBLETYPE DstNibbleBuffer[16 * 16 * 256 / 2];
		CopyAll(buffer, &ChunkLightData::GetBlockLightSection, ChunkLightData::DefaultBlockLightValue, DstNibbleBuffer);
		TEST_EQUAL(memcmp(SrcNibbleBuffer, DstNibbleBuffer, (16 * 16 * 256 /2) - 1), 0);

		memset(SrcNibbleBuffer, 0x00, 16 * 16 * 256 /2);
		buffer.SetAll(SrcNibbleBuffer, SrcNibbleBuffer);
		CopyAll(buffer, &ChunkLightData::GetBlockLightSection, ChunkLightData::DefaultBlockLightValue, DstNibbleBuffer);
		TEST_EQUAL(memcmp(SrcNibbleBuffer, DstNibbleBuffer, (16 * 16 * 256 /2) - 1), 0);
	}

	{
		ChunkLightData buffer;

		NIBBLETYPE SrcNibbleBuffer[16 * 16 * 256 / 2];
		for (int i = 0; i < 16 * 16 * 256 / 2; i += 4)
		{
			SrcNibbleBuffer[i + 0] = 0xde;
			SrcNibbleBuffer[i + 1] = 0xad;
			SrcNibbleBuffer[i + 2] = 0xbe;
			SrcNibbleBuffer[i + 3] = 0xef;
		}

		buffer.SetAll(SrcNibbleBuffer, SrcNibbleBuffer);
		NIBBLETYPE DstNibbleBuffer[16 * 16 * 256/ 2];
		CopyAll(buffer, &ChunkLightData::GetSkyLightSection, ChunkLightData::DefaultSkyLightValue, DstNibbleBuffer);
		TEST_EQUAL(memcmp(SrcNibbleBuffer, DstNibbleBuffer, (16 * 16 * 256 / 2) - 1), 0);

		memset(SrcNibbleBuffer, 0xFF, 16 * 16 * 256 / 2);
		buffer.SetAll(SrcNibbleBuffer, SrcNibbleBuffer);
		CopyAll(buffer, &ChunkLightData::GetSkyLightSection, ChunkLightData::DefaultSkyLightValue, DstNibbleBuffer);
		TEST_EQUAL(memcmp(SrcNibbleBuffer, DstNibbleBuffer, (16 * 16 * 256 / 2) - 1), 0);
	}

	{
		ChunkBlockData buffer;

		BLOCKTYPE SrcBlockBuffer[16 * 16 * 256];
		memset(SrcBlockBuffer, 0x00, 16 * 16 * 256);
		BLOCKTYPE DstBlockBuffer[16 * 16 * 256];
		CopyAll(buffer, &ChunkBlockData::GetSection, ChunkBlockData::DefaultValue, DstBlockBuffer);
		TEST_EQUAL(memcmp(SrcBlockBuffer, DstBlockBuffer, (16 * 16 * 256) - 1), 0);

		NIBBLETYPE SrcNibbleBuffer[16 * 16 * 256 / 2];
		memset(SrcNibbleBuffer, 0x00, 16 * 16 * 256 / 2);
		NIBBLETYPE DstNibbleBuffer[16 * 16 * 256 / 2];
		CopyAll(buffer, &ChunkBlockData::GetMetaSection, ChunkBlockData::DefaultMetaValue, DstNibbleBuffer);
		TEST_EQUAL(memcmp(SrcNibbleBuffer, DstNibbleBuffer, (16 * 16 * 256 / 2) - 1), 0);
	}

	{
		ChunkLightData buffer;

		NIBBLETYPE SrcNibbleBuffer[16 * 16 * 256 / 2];
		memset(SrcNibbleBuffer, 0x00, 16 * 16 * 256 / 2);
		NIBBLETYPE DstNibbleBuffer[16 * 16 * 256 / 2];
		CopyAll(buffer, &ChunkLightData::GetBlockLightSection, ChunkLightData::DefaultBlockLightValue, DstNibbleBuffer);
		TEST_EQUAL(memcmp(SrcNibbleBuffer, DstNibbleBuffer, (16 * 16 * 256 / 2) - 1), 0);

		memset(SrcNibbleBuffer, 0xFF, 16 * 16 * 256 / 2);
		CopyAll(buffer, &ChunkLightData::GetSkyLightSection, ChunkLightData::DefaultSkyLightValue, DstNibbleBuffer);
		TEST_EQUAL(memcmp(SrcNibbleBuffer, DstNibbleBuffer, (16 * 16 * 256 / 2) - 1), 0);
	}
}





IMPLEMENT_TEST_MAIN("ChunkData Copies",
	Test()
)