committing in a broken state, we got problems with the far pointers. Acting as absolute when should be relative

include/util.hpp

@@ -150,20 +150,20 @@ inline std::string read_file(std::string file_name){
 
 inline void PrettyPrintUINT64(uint64_t i, std::stringstream* ss) {
 
-	//*ss << "[" << std::bitset<15>(i) << "]";
-	//*ss << "[" << std::bitset<1>(i >> 15) << "]";
-	//*ss << "[" << std::bitset<8>(i >> 16) << "]";
-	//*ss << "[" << std::bitset<8>(i >> 24) << "]";
-	//*ss << "[" << std::bitset<32>(i >> 32) << "]\n";
+	*ss << "[" << std::bitset<15>(i) << "]";
+	*ss << "[" << std::bitset<1>(i >> 15) << "]";
+	*ss << "[" << std::bitset<8>(i >> 16) << "]";
+	*ss << "[" << std::bitset<8>(i >> 24) << "]";
+	*ss << "[" << std::bitset<32>(i >> 32) << "]\n";
 }
 
 inline void PrettyPrintUINT64(uint64_t i) {
 
-	//std::cout << "[" << std::bitset<15>(i) << "]";
-	//std::cout << "[" << std::bitset<1>(i >> 15) << "]";
-	//std::cout << "[" << std::bitset<8>(i >> 16) << "]";
-	//std::cout << "[" << std::bitset<8>(i >> 24) << "]";
-	//std::cout << "[" << std::bitset<32>(i >> 32) << "]" << std::endl;
+	std::cout << "[" << std::bitset<15>(i) << "]";
+	std::cout << "[" << std::bitset<1>(i >> 15) << "]";
+	std::cout << "[" << std::bitset<8>(i >> 16) << "]";
+	std::cout << "[" << std::bitset<8>(i >> 24) << "]";
+	std::cout << "[" << std::bitset<32>(i >> 32) << "]" << std::endl;
 }
 
 inline void DumpLog(std::stringstream* ss, std::string file_name) {

kernels/ray_caster_kernel.cl

@@ -126,7 +126,7 @@ bool get_oct_vox(
 	parent_stack[parent_stack_position] = head;
 
 	// Set our initial dimension and the position at the corner of the oct to keep track of our position
-	int dimension = 64;
+	int dimension = 128;
 	int3 quad_position = zeroed_int3;
 
 	// While we are not at the required resolution
@@ -192,9 +192,16 @@ bool get_oct_vox(
 			// Negate it by one as it counts itself
 			int count = popcount((uchar)(head >> 16) & count_mask_8[mask_index]) - 1;
 
+			//bool jumping = false;
+			//if (far_bit_mask & descriptor_buffer[current_index])
+			//	jumping = true;
 			// access the element at which head points to and then add the specified number of indices
 			// to get to the correct child descriptor
 			current_index = current_index + (head & child_pointer_mask) + count;
+
+			//if (jumping == true)
+			//	current_index = descriptor_buffer[current_index];
+
 			head = octree_descriptor_buffer[current_index];
 
 			// Increment the parent stack position and put the new oct node as the parent
@@ -316,8 +323,10 @@ __kernel void raycaster(
 			break;
 		}
 
+		constant int vox_dim = 128;
+
         // If we hit a voxel
-		if (voxel.x < 64 && voxel.y < 64 && voxel.z < 64){
+		if (voxel.x < vox_dim && voxel.y < vox_dim && voxel.z < vox_dim){
 		 	if (get_oct_vox(
 		 		voxel,
 		 		octree_descriptor_buffer,

src/Application.cpp

@@ -37,7 +37,7 @@ bool Application::init_clcaster() {
 
 	// Init the raycaster with a specified dimension and a pointer to the source
 	// array style data
-	octree = std::make_shared<Map>(64, map.get());
+	octree = std::make_shared<Map>(128, map.get());
 	raycaster->assign_octree(octree);
 
 

src/map/Octree.cpp

@@ -128,7 +128,15 @@ OctState Octree::GetVoxel(sf::Vector3i position) {
 
 			// access the element at which head points to and then add the specified number of indices
 			// to get to the correct child descriptor
-            current_index = current_index + (head & child_pointer_mask) + count;
+			bool jumping = false;
+			if (far_bit_mask & descriptor_buffer[current_index])
+				jumping = true;
+            
+			current_index = current_index + (head & child_pointer_mask) + count;
+			
+			if (jumping == true)
+				current_index = descriptor_buffer[current_index];
+
 			head = descriptor_buffer[current_index];
 
 			// Increment the parent stack position and put the new oct node as the parent
@@ -205,6 +213,7 @@ std::tuple<uint64_t, uint64_t> Octree::GenerationRecursion(char* data, sf::Vecto
 
 	}
 
+	// Array of <descriptors, position>
 	std::vector<std::tuple<uint64_t, uint64_t>> descriptor_position_array;
 
 	// Generate down the recursion, returning the descriptor of the current node
@@ -255,6 +264,10 @@ std::tuple<uint64_t, uint64_t> Octree::GenerationRecursion(char* data, sf::Vecto
 
 	} 
 
+	for (int i = 0; i < descriptor_position_array.size(); i++) {
+		std::get<1>(descriptor_position_array.at(i)) = descriptor_buffer_position - i;
+	}
+
 	unsigned int far_pointer_count = 0;
 	uint64_t far_pointer_block_position = descriptor_buffer_position;
 
@@ -263,7 +276,6 @@ std::tuple<uint64_t, uint64_t> Octree::GenerationRecursion(char* data, sf::Vecto
 	
 		// this is not the actual relative distance write, so we pessimistically guess that we will have
 		// the worst relative distance via the insertion size
-
 		int relative_distance = std::get<1>(descriptor_position_array.at(i)) - (descriptor_buffer_position - worst_case_insertion_size);
 
 		// check to see if we tripped the far pointer