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
|
#include "MapMesh.hpp"
#include <godot_cpp/templates/vector.hpp>
using namespace godot;
using namespace OpenVic;
void MapMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_aspect_ratio", "ratio"), &MapMesh::set_aspect_ratio);
ClassDB::bind_method(D_METHOD("get_aspect_ratio"), &MapMesh::get_aspect_ratio);
ClassDB::bind_method(D_METHOD("set_repeat_proportion", "proportion"), &MapMesh::set_repeat_proportion);
ClassDB::bind_method(D_METHOD("get_repeat_proportion"), &MapMesh::get_repeat_proportion);
ClassDB::bind_method(D_METHOD("set_subdivide_width", "divisions"), &MapMesh::set_subdivide_width);
ClassDB::bind_method(D_METHOD("get_subdivide_width"), &MapMesh::get_subdivide_width);
ClassDB::bind_method(D_METHOD("set_subdivide_depth", "divisions"), &MapMesh::set_subdivide_depth);
ClassDB::bind_method(D_METHOD("get_subdivide_depth"), &MapMesh::get_subdivide_depth);
ClassDB::bind_method(D_METHOD("get_core_aabb"), &MapMesh::get_core_aabb);
ClassDB::bind_method(D_METHOD("is_valid_uv_coord"), &MapMesh::is_valid_uv_coord);
ADD_PROPERTY(
PropertyInfo(Variant::FLOAT, "aspect_ratio", PROPERTY_HINT_NONE, "suffix:m"), "set_aspect_ratio", "get_aspect_ratio"
);
ADD_PROPERTY(
PropertyInfo(Variant::FLOAT, "repeat_proportion", PROPERTY_HINT_NONE, "suffix:m"), "set_repeat_proportion",
"get_repeat_proportion"
);
ADD_PROPERTY(
PropertyInfo(Variant::INT, "subdivide_width", PROPERTY_HINT_RANGE, "0,100,1,or_greater"), "set_subdivide_width",
"get_subdivide_width"
);
ADD_PROPERTY(
PropertyInfo(Variant::INT, "subdivide_depth", PROPERTY_HINT_RANGE, "0,100,1,or_greater"), "set_subdivide_depth",
"get_subdivide_depth"
);
}
void MapMesh::_request_update() {
// Hack to trigger _update_lightmap_size and _request_update in PrimitiveMesh
set_add_uv2(get_add_uv2());
}
void MapMesh::set_aspect_ratio(const float ratio) {
aspect_ratio = ratio;
_request_update();
}
float MapMesh::get_aspect_ratio() const {
return aspect_ratio;
}
void MapMesh::set_repeat_proportion(const float proportion) {
repeat_proportion = proportion;
_request_update();
}
float MapMesh::get_repeat_proportion() const {
return repeat_proportion;
}
void MapMesh::set_subdivide_width(const int32_t divisions) {
subdivide_w = divisions > 0 ? divisions : 0;
_request_update();
}
int32_t MapMesh::get_subdivide_width() const {
return subdivide_w;
}
void MapMesh::set_subdivide_depth(const int32_t divisions) {
subdivide_d = divisions > 0 ? divisions : 0;
_request_update();
}
int32_t MapMesh::get_subdivide_depth() const {
return subdivide_d;
}
AABB MapMesh::get_core_aabb() const {
const Vector3 size { aspect_ratio, 0.0f, 1.0f };
return AABB { size * -0.5f, size };
}
bool MapMesh::is_valid_uv_coord(godot::Vector2 const& uv) const {
return 0.0f <= uv.y && uv.y <= 1.0f;
}
Array MapMesh::_create_mesh_array() const {
Array arr;
arr.resize(Mesh::ARRAY_MAX);
const int32_t vertex_count = (subdivide_w + 2) * (subdivide_d + 2);
const int32_t indice_count = (subdivide_w + 1) * (subdivide_d + 1) * 6;
PackedVector3Array points;
PackedVector3Array normals;
PackedFloat32Array tangents;
PackedVector2Array uvs;
PackedInt32Array indices;
points.resize(vertex_count);
normals.resize(vertex_count);
tangents.resize(vertex_count * 4);
uvs.resize(vertex_count);
indices.resize(indice_count);
static const Vector3 normal { 0.0f, 1.0f, 0.0f };
const Size2 uv_size { 1.0f + 2.0f * repeat_proportion, 1.0f };
const Size2 size { aspect_ratio * uv_size.x, uv_size.y }, start_pos = size * -0.5f;
int32_t point_index = 0, thisrow = 0, prevrow = 0, indice_index = 0;
Vector2 subdivide_step { 1.0f / (subdivide_w + 1.0f), 1.0f / (subdivide_d + 1.0f) };
Vector3 point { 0.0f, 0.0f, start_pos.y };
Vector2 point_step = subdivide_step * size;
Vector2 uv {}, uv_step = subdivide_step * uv_size;
for (int32_t j = 0; j <= subdivide_d + 1; ++j) {
point.x = start_pos.x;
uv.x = -repeat_proportion;
for (int32_t i = 0; i <= subdivide_w + 1; ++i) {
points[point_index] = point;
normals[point_index] = normal;
tangents[point_index * 4 + 0] = 1.0f;
tangents[point_index * 4 + 1] = 0.0f;
tangents[point_index * 4 + 2] = 0.0f;
tangents[point_index * 4 + 3] = 1.0f;
uvs[point_index] = uv;
point_index++;
if (i > 0 && j > 0) {
indices[indice_index + 0] = prevrow + i - 1;
indices[indice_index + 1] = prevrow + i;
indices[indice_index + 2] = thisrow + i - 1;
indices[indice_index + 3] = prevrow + i;
indices[indice_index + 4] = thisrow + i;
indices[indice_index + 5] = thisrow + i - 1;
indice_index += 6;
}
point.x += point_step.x;
uv.x += uv_step.x;
}
point.z += point_step.y;
uv.y += uv_step.y;
prevrow = thisrow;
thisrow = point_index;
}
arr[Mesh::ARRAY_VERTEX] = points;
arr[Mesh::ARRAY_NORMAL] = normals;
arr[Mesh::ARRAY_TANGENT] = tangents;
arr[Mesh::ARRAY_TEX_UV] = uvs;
arr[Mesh::ARRAY_INDEX] = indices;
return arr;
}
|
zaaarf