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The transvoxel mesher now won't allocate small arrays constantly during generation.

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This commit is contained in:
Relintai 2020-03-08 23:40:22 +01:00
parent 45976ca387
commit a22be7208c
2 changed files with 6 additions and 10 deletions
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13
meshers/transvoxel_uv_mesher/voxel_mesher_transvoxel.cpp
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@ -34,9 +34,7 @@ void VoxelMesherTransvoxel::set_texture_scale(const int value) {
_texture_scale = value;
}
int *VoxelMesherTransvoxel::get_voxel_type_array(VoxelChunk *chunk, const int x, const int y, const int z, const int size) {
int *arr = memnew_arr(int, 8);
void VoxelMesherTransvoxel::get_voxel_type_array(int *arr, VoxelChunk *chunk, const int x, const int y, const int z, const int size) {
arr[0] = chunk->get_voxel(x, y, z, VoxelChunk::DEFAULT_CHANNEL_TYPE);
arr[1] = chunk->get_voxel(x, y + size, z, VoxelChunk::DEFAULT_CHANNEL_TYPE);
arr[2] = chunk->get_voxel(x, y, z + size, VoxelChunk::DEFAULT_CHANNEL_TYPE);
@ -45,8 +43,6 @@ int *VoxelMesherTransvoxel::get_voxel_type_array(VoxelChunk *chunk, const int x,
arr[5] = chunk->get_voxel(x + size, y + size, z, VoxelChunk::DEFAULT_CHANNEL_TYPE);
arr[6] = chunk->get_voxel(x + size, y, z + size, VoxelChunk::DEFAULT_CHANNEL_TYPE);
arr[7] = chunk->get_voxel(x + size, y + size, z + size, VoxelChunk::DEFAULT_CHANNEL_TYPE);
return arr;
}
int VoxelMesherTransvoxel::get_case_code_from_arr(const int *data) {
int case_code = 0;
@ -157,6 +153,8 @@ void VoxelMesherTransvoxel::_add_chunk(Node *p_chunk) {
chunk->generate_ao();
int type_arr[8];
int x_size = chunk->get_size_x();
int y_size = chunk->get_size_y();
int z_size = chunk->get_size_z();
@ -167,11 +165,10 @@ void VoxelMesherTransvoxel::_add_chunk(Node *p_chunk) {
for (int z = 0; z < z_size; z += lod_size) {
for (int x = 0; x < x_size; x += lod_size) {
int *type_arr = get_voxel_type_array(chunk, x, y, z, lod_size);
get_voxel_type_array(type_arr, chunk, x, y, z, lod_size);
int case_code = get_case_code_from_arr(type_arr);
if (case_code == 0 or case_code == 255) {
memdelete_arr(type_arr);
continue;
}
@ -395,8 +392,6 @@ void VoxelMesherTransvoxel::_add_chunk(Node *p_chunk) {
add_uv2(temp_uv2s[i]);
add_vertex(vert_pos);
}
memdelete_arr(type_arr);
}
}
}

3
meshers/transvoxel_uv_mesher/voxel_mesher_transvoxel.h
View File

@ -68,7 +68,8 @@ public:
int get_texture_scale() const;
void set_texture_scale(const int value);
int *get_voxel_type_array(VoxelChunk *chunk, const int x, const int y, const int z, const int size = 1);
//arr should have a size of 8
void get_voxel_type_array(int *arr, VoxelChunk *chunk, const int x, const int y, const int z, const int size = 1);
int get_case_code_from_arr(const int *data);
int get_case_code(VoxelChunk *chunk, const int x, const int y, const int z, const int size = 1);
int get_voxel_type(VoxelChunk *chunk, const int x, const int y, const int z, const int size = 1);