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-rw-r--r--src/game/shared/feature.cc52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/game/shared/feature.cc b/src/game/shared/feature.cc
new file mode 100644
index 0000000..eb6cceb
--- /dev/null
+++ b/src/game/shared/feature.cc
@@ -0,0 +1,52 @@
+#include "shared/pch.hh"
+
+#include "shared/feature.hh"
+
+#include "shared/chunk.hh"
+#include "shared/coord.hh"
+#include "shared/dimension.hh"
+#include "shared/voxel_storage.hh"
+
+void Feature::place(const voxel_pos& vpos, Dimension* dimension) const
+{
+ for(const auto [rpos, voxel, overwrite] : (*this)) {
+ auto it_vpos = vpos + rpos;
+ auto it_cpos = coord::to_chunk(it_vpos);
+
+ if(auto chunk = dimension->create_chunk(it_cpos)) {
+ auto it_lpos = coord::to_local(it_vpos);
+ auto it_index = coord::to_index(it_lpos);
+
+ if(chunk->get_voxel(it_index) && !overwrite) {
+ // There is something in the way
+ // and the called intentionally requested
+ // we do not force feature to overwrite voxels
+ continue;
+ }
+
+ chunk->set_voxel(voxel, it_index);
+ }
+ }
+}
+
+void Feature::place(const voxel_pos& vpos, const chunk_pos& cpos, VoxelStorage& voxels) const
+{
+ for(const auto [rpos, voxel, overwrite] : (*this)) {
+ auto it_vpos = vpos + rpos;
+ auto it_cpos = coord::to_chunk(it_vpos);
+
+ if(it_cpos == cpos) {
+ auto it_lpos = coord::to_local(it_vpos);
+ auto it_index = coord::to_index(it_lpos);
+
+ if(voxels[it_index] && !overwrite) {
+ // There is something in the way
+ // and the called intentionally requested
+ // we do not force feature to overwrite voxels
+ continue;
+ }
+
+ voxels[it_index] = voxel;
+ }
+ }
+}