67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
#include "voxel_mesher.h"
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#include "../storage/voxel_buffer.h"
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#include "../util/godot/funcs.h"
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Ref<Mesh> VoxelMesher::build_mesh(Ref<VoxelBuffer> voxels, Array materials) {
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ERR_FAIL_COND_V(voxels.is_null(), Ref<ArrayMesh>());
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Output output;
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Input input = { **voxels, 0 };
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build(output, input);
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if (output.surfaces.empty()) {
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return Ref<ArrayMesh>();
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}
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Ref<ArrayMesh> mesh;
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mesh.instance();
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int surface_index = 0;
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for (int i = 0; i < output.surfaces.size(); ++i) {
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Array surface = output.surfaces[i];
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if (surface.empty()) {
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continue;
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}
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CRASH_COND(surface.size() != Mesh::ARRAY_MAX);
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if (!is_surface_triangulated(surface)) {
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continue;
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}
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mesh->add_surface_from_arrays(output.primitive_type, surface, Array(), output.compression_flags);
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if (i < materials.size()) {
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mesh->surface_set_material(surface_index, materials[i]);
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}
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++surface_index;
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}
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return mesh;
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}
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void VoxelMesher::build(Output &output, const Input &input) {
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ERR_PRINT("Not implemented");
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}
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unsigned int VoxelMesher::get_minimum_padding() const {
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return _minimum_padding;
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}
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unsigned int VoxelMesher::get_maximum_padding() const {
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return _maximum_padding;
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}
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void VoxelMesher::set_padding(int minimum, int maximum) {
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CRASH_COND(minimum < 0);
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CRASH_COND(maximum < 0);
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_minimum_padding = minimum;
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_maximum_padding = maximum;
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}
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void VoxelMesher::_bind_methods() {
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// Shortcut if you want to generate a mesh directly from a fixed grid of voxels.
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// Useful for testing the different meshers.
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ClassDB::bind_method(D_METHOD("build_mesh", "voxel_buffer", "materials"), &VoxelMesher::build_mesh);
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ClassDB::bind_method(D_METHOD("get_minimum_padding"), &VoxelMesher::get_minimum_padding);
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ClassDB::bind_method(D_METHOD("get_maximum_padding"), &VoxelMesher::get_maximum_padding);
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}
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