blob: 0d28429e72bf58fe1d437159f397fa1a8c4798ed (
plain)
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
|
#pragma once
#include "src/chunk.hpp"
#include "compat/assert.hpp"
namespace floormat {
struct chunk_coords final {
std::int16_t x = 0, y = 0;
};
struct global_coords final {
std::int32_t x = 0, y = 0;
constexpr chunk_coords chunk() const noexcept;
constexpr chunk_coords local() const noexcept;
};
constexpr chunk_coords global_coords::chunk() const noexcept {
constexpr std::uint32_t mask = 0xffff0000u;
const auto x_ = (std::int16_t)(std::uint16_t)((std::uint32_t)x & mask >> 24),
y_ = (std::int16_t)(std::uint16_t)((std::uint32_t)y & mask >> 24);
return {x_, y_};
}
constexpr chunk_coords global_coords::local() const noexcept {
const auto x_ = (std::uint8_t)x, y_ = (std::uint8_t)y;
return {x_, y_};
}
} // namespace floormat
|
