still puzzling over how to do the voxel traversal
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@@ -70,10 +70,17 @@ public:
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return stack_pos;
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};
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int get_idx(sf::Vector3i voxel_pos) {
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return 1;
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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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bool get_voxel(sf::Vector3i 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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@@ -101,10 +108,13 @@ public:
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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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const uint64_t cp_mask = 0x0000000000007fff;
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return descriptor & cp_mask;
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};
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uint64_t is_leaf(uint64_t descriptor, )
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//uint64_t is_leaf(uint64_t descriptor, )
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};
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@@ -126,6 +136,8 @@ public:
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void setVoxel(sf::Vector3i position, int val);
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char getVoxelFromOctree(sf::Vector3i position);
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void moveLight(sf::Vector2f in);
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sf::Vector3f global_light;
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33
src/Map.cpp
33
src/Map.cpp
@@ -122,9 +122,6 @@ uint64_t Map::generate_children(sf::Vector3i pos, int dim) {
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}
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else {
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// 2339 is the iterative anomoly
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// 30454 is the stack anomoly
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uint64_t tmp = 0;
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uint64_t child = 0;
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@@ -171,12 +168,33 @@ uint64_t Map::generate_children(sf::Vector3i pos, int dim) {
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void Map::generate_octree() {
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generate_children(sf::Vector3i(0, 0, 0), OCT_DIM/2);
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// Launch the recursive generator at (0,0,0) as the first point
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// and the octree dimension as the initial block size
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uint64_t root_node = generate_children(sf::Vector3i(0, 0, 0), OCT_DIM/2);
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uint64_t tmp = 0;
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PrettyPrintUINT64(root_node, &ss);
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ss << " " << OCT_DIM << " " << counter++ << std::endl;
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if (IsLeaf(root_node)) {
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if (CheckLeafSign(root_node))
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SetBit(0 + 16, &tmp);
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SetBit(0 + 16 + 8, &tmp);
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}
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else {
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SetBit(0 + 16, &tmp);
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}
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tmp |= a.copy_to_stack(std::vector<uint64_t>{root_node});
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DumpLog(&ss, "raw_output.txt");
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a.print_block(0);
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a.get_voxel(sf::Vector2i(0, 0));
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//a.get_voxel(sf::Vector2i(0, 0));
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}
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void Map::load_unload(sf::Vector3i world_position) {
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@@ -229,6 +247,11 @@ void Map::setVoxel(sf::Vector3i world_position, int val) {
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}
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char Map::getVoxelFromOctree(sf::Vector3i position)
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{
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return a.get_voxel(position);
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}
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char Map::getVoxel(sf::Vector3i pos){
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return voxel_data[pos.x + OCT_DIM * (pos.y + OCT_DIM * pos.z)];
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@@ -89,9 +89,11 @@ int main() {
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// =============================
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Map _map(sf::Vector3i(0, 0, 0));
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_map.generate_octree();
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_map.a.get_voxel(sf::Vector3i(0, 0, 0));
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// =============================
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return 0;
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//return 0;
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/*GL_Testing t;
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t.compile_shader("../shaders/passthrough.frag", GL_Testing::Shader_Type::FRAGMENT);
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