133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
#include "voxel_stream_test.h"
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VARIANT_ENUM_CAST(VoxelStreamTest::Mode)
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VoxelStreamTest::VoxelStreamTest() {
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_mode = MODE_WAVES;
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_voxel_type = 1;
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_pattern_size = Vector3i(10, 10, 10);
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}
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void VoxelStreamTest::set_mode(Mode mode) {
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_mode = mode;
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}
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void VoxelStreamTest::set_voxel_type(int t) {
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_voxel_type = t;
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}
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int VoxelStreamTest::get_voxel_type() const {
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return _voxel_type;
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}
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void VoxelStreamTest::set_pattern_size(Vector3i size) {
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ERR_FAIL_COND(size.x < 1 || size.y < 1 || size.z < 1);
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_pattern_size = size;
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}
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void VoxelStreamTest::set_pattern_offset(Vector3i offset) {
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_pattern_offset = offset;
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}
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void VoxelStreamTest::emerge_block(Ref<VoxelBuffer> out_buffer, Vector3i origin, int lod) {
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ERR_FAIL_COND(out_buffer.is_null());
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if (lod != 0) {
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// TODO Handle higher lods
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return;
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}
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switch (_mode) {
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case MODE_FLAT:
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generate_block_flat(**out_buffer, origin, lod);
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break;
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case MODE_WAVES:
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generate_block_waves(**out_buffer, origin, lod);
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break;
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}
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}
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void VoxelStreamTest::generate_block_flat(VoxelBuffer &out_buffer, Vector3i origin, int lod) {
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// TODO Don't expect a block pos, but a voxel pos!
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Vector3i size = out_buffer.get_size();
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int rh = _pattern_offset.y - origin.y;
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if (rh > size.y)
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rh = size.y;
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for (int rz = 0; rz < size.z; ++rz) {
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for (int rx = 0; rx < size.x; ++rx) {
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for (int ry = 0; ry < rh; ++ry) {
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out_buffer.set_voxel(_voxel_type, rx, ry, rz, 0);
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}
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}
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}
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}
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void VoxelStreamTest::generate_block_waves(VoxelBuffer &out_buffer, Vector3i origin, int lod) {
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// TODO Don't expect a block pos, but a voxel pos!
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Vector3i size = out_buffer.get_size();
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//origin += _pattern_offset;
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float amplitude = static_cast<float>(_pattern_size.y);
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float period_x = 1.f / static_cast<float>(_pattern_size.x);
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float period_z = 1.f / static_cast<float>(_pattern_size.z);
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//out_buffer.fill(0, 1); // TRANSVOXEL TEST
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if (origin.y + size.y < Math::floor(_pattern_offset.y - 1.5 * amplitude)) {
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// Everything is ground
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out_buffer.fill(_voxel_type);
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} else if (origin.y > Math::ceil(_pattern_offset.y + 1.5 * amplitude)) {
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// Everything is air
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return;
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} else {
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for (int rz = 0; rz < size.z; ++rz) {
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for (int rx = 0; rx < size.x; ++rx) {
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float x = origin.x + rx;
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float z = origin.z + rz;
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int h = _pattern_offset.y + amplitude * (Math::cos(x * period_x) + Math::sin(z * period_z));
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int rh = h - origin.y;
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if (rh > size.y)
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rh = size.y;
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for (int ry = 0; ry < rh; ++ry) {
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out_buffer.set_voxel(_voxel_type, rx, ry, rz, 0);
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//out_buffer.set_voxel(255, rx, ry, rz, 1); // TRANSVOXEL TEST
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}
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}
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}
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}
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}
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void VoxelStreamTest::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_mode", "mode"), &VoxelStreamTest::set_mode);
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ClassDB::bind_method(D_METHOD("get_mode"), &VoxelStreamTest::get_mode);
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ClassDB::bind_method(D_METHOD("set_voxel_type", "id"), &VoxelStreamTest::set_voxel_type);
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ClassDB::bind_method(D_METHOD("get_voxel_type"), &VoxelStreamTest::get_voxel_type);
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ClassDB::bind_method(D_METHOD("set_pattern_size", "size"), &VoxelStreamTest::_set_pattern_size);
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ClassDB::bind_method(D_METHOD("get_pattern_size"), &VoxelStreamTest::_get_pattern_size);
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ClassDB::bind_method(D_METHOD("set_pattern_offset", "offset"), &VoxelStreamTest::_set_pattern_offset);
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ClassDB::bind_method(D_METHOD("get_pattern_offset"), &VoxelStreamTest::_get_pattern_offset);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "mode", PROPERTY_HINT_ENUM, "Flat,Waves"), "set_mode", "get_mode");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "voxel_type", PROPERTY_HINT_RANGE, "0,255,1"), "set_voxel_type", "get_voxel_type");
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "pattern_size"), "set_pattern_size", "get_pattern_size");
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "pattern_offset"), "set_pattern_offset", "get_pattern_offset");
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BIND_ENUM_CONSTANT(MODE_FLAT);
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BIND_ENUM_CONSTANT(MODE_WAVES);
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}
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