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
|
#ifndef CLIENT_WORLD_HH_
#define CLIENT_WORLD_HH_
#include <algorithm>
#include <optional>
#include <ranges>
#include <unordered_map>
#include <vector>
#include "client/render/render.hh"
#include "client/render/texture.hh"
#include "shared/player.hh"
#include "shared/world.hh"
namespace client {
namespace world {
// client::world::chunk is a renderable shared::world::chunk.
class chunk : public shared::world::chunk {
public:
using map = std::unordered_map<shared::math::coords,
std::optional<client::world::chunk>,
decltype(&shared::world::chunk::hash),
decltype(&shared::world::chunk::equal)>;
// Which part to draw when we call draw.
enum class pass { solid, water };
public:
bool should_regenerate_vbo;
private:
struct gl_objects {
unsigned long solid_elements;
GLuint solid_vbo;
GLuint solid_vao;
unsigned long water_elements;
GLuint water_vbo;
GLuint water_vao;
gl_objects(const unsigned long se, const GLuint svbo, const GLuint svao,
const unsigned long we, const GLuint wvbo, const GLuint wvao)
: solid_elements(se), solid_vbo(svbo), solid_vao(svao),
water_elements(we), water_vbo(wvbo), water_vao(wvao) {}
gl_objects(const gl_objects&) = delete;
gl_objects(gl_objects&&) = delete;
~gl_objects() {
glDeleteBuffers(1, &solid_vbo);
glDeleteVertexArrays(1, &solid_vao);
glDeleteBuffers(1, &water_vbo);
glDeleteVertexArrays(1, &water_vao);
}
};
std::optional<gl_objects> glo;
private:
const chunk* get_neighbour(const chunk::map& chunks,
shared::math::coords offset) const noexcept;
struct glface {
glm::vec3 vertice;
glm::vec3 texture;
};
struct glface_args {
glm::vec3 translate;
float rotate_degrees;
glm::vec3 rotate_axis;
glm::vec3 texture_offset;
};
static std::array<glface, 6> make_glfaces(const glface_args& args) noexcept;
void render(const float x_offset, const float z_offset,
const pass& pass) noexcept;
bool maybe_regenerate_glo(const chunk::map& chunks) noexcept;
public:
template <typename... Args>
chunk(Args&&... args) noexcept
: shared::world::chunk(std::forward<Args>(args)...) {}
void draw(const map& chunks, const shared::player& lp,
const pass& pass) noexcept;
bool can_draw() const noexcept {
return this->glo.has_value();
}
};
} // namespace world
} // namespace client
#endif
|
