Fixed bug regarding the top octree level

include/Map.h

@@ -17,7 +17,7 @@
 #include <math.h>
 
 #define CHUNK_DIM 32
-#define OCT_DIM 16
+#define OCT_DIM 64
 
 struct KeyHasher {
 	std::size_t operator()(const sf::Vector3i& k) const {
@@ -54,18 +54,18 @@ public:
 	
 	uint64_t copy_to_stack(std::vector<uint64_t> children) {
 		
-		// Check to make sure these children will fit on the top of the stack
-		// if not, allocate a new block and paste them at the bottom
-		// Make sure to reset the position
-
-		for (int i = 0; i < children.size(); i++) {
-			if (children.at(i) == 0)
-				abort();
+		// Check for the 15 bit boundry		
+		if (stack_pos - children.size() > stack_pos) {
+			global_pos = stack_pos;
+			stack_pos = 0x8000;
+		}
+		else {
+			stack_pos -= children.size();
 		}
 
-		// Copy the children on the stack, bottom up, first node to last
-		memcpy(&dat[stack_pos], children.data(), children.size() * sizeof(int64_t));
-		stack_pos -= children.size();
+		// Check for the far bit
+
+		memcpy(&dat[stack_pos + global_pos], children.data(), children.size() * sizeof(uint64_t));
 		
 		// Return the bitmask encoding the index of that value
 		// If we tripped the far bit, allocate a far index to the stack and place
@@ -113,14 +113,11 @@ private:
 
 
 	uint64_t generate_children(sf::Vector3i pos, int dim);
-	int cycle_counter = 0;
 
-	uint64_t block[1024];
-	int stack_position = 0;
+
 	char getVoxel(sf::Vector3i pos);
 	char* voxel_data = new char[OCT_DIM * OCT_DIM * OCT_DIM];
 
-
 	std::unordered_map<sf::Vector3i, Chunk, KeyHasher> chunk_map;
 
 	double* height_map;

src/Map.cpp

@@ -77,10 +77,6 @@ Map::Map(sf::Vector3i position) {
 
 	load_unload(position);
 
-	for (int i = 0; i < 1024; i++) {
-		block[i] = 0;
-	}
-
 	for (int i = 0; i < OCT_DIM * OCT_DIM * OCT_DIM; i++) {
 		if (rand() % 8 > 2)
 			voxel_data[i] = 0;
@@ -126,6 +122,9 @@ uint64_t Map::generate_children(sf::Vector3i pos, int dim) {
 	}
 	else {
 
+		// 2339 is the iterative anomoly
+		// 30454 is the stack anomoly
+
 		uint64_t tmp = 0;
 		uint64_t child = 0;
 
@@ -152,9 +151,11 @@ uint64_t Map::generate_children(sf::Vector3i pos, int dim) {
 				children.push_back(child);
 			}
 		}
+
 		// Now put those values onto the block stack, it returns the 
 		// 16 bit topmost pointer to the block. The 16th bit being
 		// a switch to jump to a far pointer.
+		int y = 0;
 		tmp |= a.copy_to_stack(children);
 
 		if ((tmp & 0xFFFFFFFF00000000) != 0) {
@@ -170,9 +171,7 @@ uint64_t Map::generate_children(sf::Vector3i pos, int dim) {
 
 void Map::generate_octree() {
 
-
-
-	generate_children(sf::Vector3i(0, 0, 0), OCT_DIM);
+	generate_children(sf::Vector3i(0, 0, 0), OCT_DIM/2);
 	DumpLog(&ss, "raw_output.txt");
 
 	std::stringstream sss;
@@ -181,9 +180,7 @@ void Map::generate_octree() {
 		sss << "\n";
 	}
 	DumpLog(&sss, "raw_data.txt");
-	/*for (int i = 32767; i >= 31767; i--) {
-		std::cout << i; PrettyPrintUINT64(a.dat[i]);
-	}*/
+
 	// levels defines how many levels to traverse before we hit raw data
 	// Will be the map width I presume. Will still need to handle how to swap in and out data.
 	// Possible have some upper static nodes that will stay full regardless of contents?