It's time to do the voxel traversal. Going to need to come up with a linear algorithm that doesn't take forever
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@@ -13,12 +13,13 @@
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#include <unordered_map>
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#include <bitset>
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#include <cstring>
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#include <queue>
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#define _USE_MATH_DEFINES
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#include <math.h>
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#define CHUNK_DIM 32
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#define OCT_DIM 64
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#define OCT_DIM 8
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struct XYZHasher {
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std::size_t operator()(const sf::Vector3i& k) const {
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@@ -35,7 +36,7 @@ public:
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// initialize the first stack block
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stack.push_back(new uint64_t[0x8000]);
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for (int i = 0; i < 0x8000; i++) {
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stack.back() = 0;
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stack.back()[i] = 0;
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}
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};
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@@ -69,6 +70,25 @@ public:
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return stack_pos;
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};
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// This might need to be a recursive function. But it needs to be easily ported to
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// OpenCL C. Might spend some time thinking about how to do this in a linear algorithm
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bool get_voxel(sf::Vector2i position) {
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std::queue<uint64_t> parent_stack;
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uint64_t head = stack.front()[stack_pos];
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parent_stack.push(head);
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uint64_t index = cp_to_index(head);
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return true;
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}
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void print_block(int block_pos) {
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std::stringstream sss;
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for (int i = 0; i < (int)pow(2, 15); i++) {
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@@ -78,8 +98,13 @@ public:
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DumpLog(&sss, "raw_data.txt");
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}
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private:
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uint64_t cp_to_index(uint64_t descriptor) {
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return descriptor >> 64 - 15;
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};
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uint64_t is_leaf(uint64_t descriptor, )
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};
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