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Surface support for the cubic mesher.

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This commit is contained in:
Relintai 2020-08-21 12:10:15 +02:00
parent 5358c99646
commit fc153bae06
3 changed files with 50 additions and 4 deletions
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24
meshers/cubic/voxel_cube_points.cpp
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@ -728,6 +728,28 @@ Vector3 VoxelCubePoints::get_bottom_right_point(int face) {
return _points[P000];
}
uint8_t VoxelCubePoints::get_face_type(int face) {
if (face == VOXEL_FACE_BACK) {
return _point_types[P111];
}
if (face == VOXEL_FACE_FRONT) {
return _point_types[P110];
}
if (face == VOXEL_FACE_RIGHT) {
return _point_types[P110];
}
if (face == VOXEL_FACE_LEFT) {
return _point_types[P011];
}
if (face == VOXEL_FACE_TOP) {
return _point_types[P110];
}
if (face == VOXEL_FACE_BOTTOM) {
return _point_types[P100];
}
return _point_types[0];
}
bool VoxelCubePoints::has_points() {
return (_point_types[P000] != 0 && _point_types[P100] != 0 && _point_types[P010] != 0 && _point_types[P001] != 0 &&
_point_types[P110] != 0 && _point_types[P011] != 0 && _point_types[P101] != 0 && _point_types[P111] != 0);
@ -814,6 +836,8 @@ void VoxelCubePoints::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_bottom_left_point", "face"), &VoxelCubePoints::get_bottom_left_point);
ClassDB::bind_method(D_METHOD("get_bottom_right_point", "face"), &VoxelCubePoints::get_bottom_right_point);
ClassDB::bind_method(D_METHOD("get_face_type", "face"), &VoxelCubePoints::get_face_type);
ClassDB::bind_method(D_METHOD("has_points"), &VoxelCubePoints::has_points);
ClassDB::bind_method(D_METHOD("get_opposite_face", "face"), &VoxelCubePoints::get_opposite_face);

2
meshers/cubic/voxel_cube_points.h
View File

@ -147,6 +147,8 @@ public:
Vector3 get_bottom_left_point(int face);
Vector3 get_bottom_right_point(int face);
uint8_t get_face_type(int face);
bool has_points();
int get_opposite_face(int face);

28
meshers/cubic/voxel_mesher_cubic.cpp
View File

@ -33,8 +33,6 @@ void VoxelMesherCubic::_add_chunk(Ref<VoxelChunk> p_chunk) {
ERR_FAIL_COND(!chunk.is_valid());
chunk->generate_ao();
int x_size = chunk->get_size_x();
int y_size = chunk->get_size_y();
int z_size = chunk->get_size_z();
@ -61,6 +59,13 @@ void VoxelMesherCubic::_add_chunk(Ref<VoxelChunk> p_chunk) {
if (!cube_points->is_face_visible(face))
continue;
uint8_t type = cube_points->get_face_type(face);
Ref<VoxelSurface> surface = _library->get_voxel_surface(type);
if (!surface.is_valid())
continue;
add_indices(get_vertex_count() + 2);
add_indices(get_vertex_count() + 1);
add_indices(get_vertex_count() + 0);
@ -102,8 +107,23 @@ void VoxelMesherCubic::_add_chunk(Ref<VoxelChunk> p_chunk) {
add_color(light);
add_uv((cube_points->get_point_uv_direction(face, i) + Vector2(0.5, 0.5)) * Vector2(tile_uv_size, tile_uv_size));
add_uv2((cube_points->get_point_uv_direction(face, i) + Vector2(0.5, 0.5)) * Vector2(tile_uv_size, tile_uv_size));
Vector2 uv = (cube_points->get_point_uv_direction(face, i) + Vector2(0.5, 0.5)) * Vector2(tile_uv_size, tile_uv_size);
VoxelSurface::VoxelSurfaceSides side = VoxelSurface::VOXEL_SIDE_SIDE;
switch (face) {
case VoxelCubePoints::VOXEL_FACE_TOP:
side = VoxelSurface::VOXEL_SIDE_TOP;
break;
case VoxelCubePoints::VOXEL_FACE_BOTTOM:
side = VoxelSurface::VOXEL_SIDE_BOTTOM;
break;
}
uv = surface->transform_uv(side, uv);
add_uv(uv);
add_uv2(uv);
add_vertex((vertices[i] * voxel_size + Vector3(x, y, z)) * voxel_scale);
}