VoxelEngine/test/world/generator/SurroundMap.cpp

79 lines
2.0 KiB
C++

#include <gtest/gtest.h>
#include <atomic>
#include "world/generator/SurroundMap.hpp"
TEST(SurroundMap, InitTest) {
int maxLevelZone = 50;
int x = 0;
int y = 0;
int8_t maxLevel = 5;
SurroundMap map(maxLevelZone, maxLevel);
std::atomic_int affected = 0;
map.setLevelCallback(1, [&affected](auto, auto) {
affected++;
});
map.setCenter(0, 0);
map.completeAt(x, y);
EXPECT_EQ(affected, (maxLevel * 2 - 1) * (maxLevel * 2 - 1));
for (int ly = -maxLevel + 1; ly < maxLevel; ly++) {
for (int lx = -maxLevel + 1; lx < maxLevel; lx++) {
int levelExpected = maxLevel - std::max(std::abs(lx), std::abs(ly));
EXPECT_EQ(map.at(x + lx, y + ly), levelExpected);
}
}
affected = 0;
map.completeAt(x - 1, y);
EXPECT_EQ(affected, maxLevel * 2 - 1);
}
#define VISUAL_TEST
#ifdef VISUAL_TEST
#include <glm/gtc/random.hpp>
#include "coders/png.hpp"
#include "graphics/core/ImageData.hpp"
void visualize(const SurroundMap& map, int mul, int max) {
const auto& areaMap = map.getArea();
int w = areaMap.getWidth();
int h = areaMap.getHeight();
int ox = areaMap.getOffsetX();
int oy = areaMap.getOffsetY();
ImageData image(ImageFormat::rgb888, w, h);
ubyte* bytes = image.getData();
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
int val = areaMap.get(x + ox, y + oy) * mul;
if (val && val / mul < max) {
val = val / 4 + 50;
}
bytes[(y * w + x) * 3] = val;
bytes[(y * w + x) * 3 + 1] = val;
bytes[(y * w + x) * 3 + 2] = val;
}
}
png::write_image("test.png", &image);
}
TEST(SurroundMap, Visualize) {
int levels = 3;
SurroundMap map(50, levels);
map.setCenter(0, 0);
for (int i = 0; i < 1000; i++) {
float x = glm::gaussRand(0.0f, 2.0f);
float y = glm::gaussRand(0.0f, 2.0f);
map.completeAt(x, y);
}
visualize(map, 30, levels);
}
#endif