Initial commit: Final state of the master project

2017-09-16 09:41:37 +02:00
commit 696180d43b
832 changed files with 169717 additions and 0 deletions
--- a/Research/core/OctreeBuilder/BaseOctreeBuilder.cpp
+++ b/Research/core/OctreeBuilder/BaseOctreeBuilder.cpp
@@ -0,0 +1,105 @@
+#include "BaseOctreeBuilder.h"
+
+#include <stdio.h>
+#include <algorithm>
+#include "../Voxelizer/VoxelInfo.h"
+#include "../Util/Stopwatch.h"
+#include "OctreeBuilderStatistics.h"
+#include "../Voxelizer/BaseVoxelizer.h"
+
+OctreeBuilderStatistics BaseOctreeBuilder::BuildOctree(BaseVoxelizer& voxelizer, unsigned8 level, unsigned8 maxSingle)
+{
+	// Initialize some variables used for building
+	unsigned8 singlePassDepth = (maxSingle < level) ? maxSingle : level;
+	unsigned8 singlePassLevel = level - singlePassDepth;
+	maxTreeDepth = level;
+	maxSinglePassLayers = maxSingle;
+	OctreeBuilderStatistics stats(level);
+	stats.type = GetTreeType();
+	Stopwatch watch;
+	Stopwatch mainWatch; mainWatch.Reset();
+
+	// Find out which subtrees to builds
+	watch.Reset();
+	mValidCoords = voxelizer.GetValidCoords(singlePassLevel);
+	std::sort(mValidCoords.begin(), mValidCoords.end(), [&](const glm::uvec3& coord1, const glm::uvec3& coord2) { return SubTreeCompare(coord1, coord2); });
+	stats.validCoordBuildtime = watch.GetTime();
+
+	// Do a pass through all voxels in the scene for preprocessing
+	watch.Reset();
+	if (UsePreprocessing())
+	{
+		Stopwatch smallWatch;
+		InitPreprocessing();
+		unsigned i = 0;
+		for (const glm::uvec3& coord : mValidCoords)
+		{
+			smallWatch.Reset();
+			if (verbose) printf("Preprocessing subtree %llu / %llu at coordinate (%u, %u, %u).\n", (unsigned64)(i + 1), (unsigned64)(mValidCoords.size()), coord.x, coord.y, coord.z);
+			InitCurPreprocessPass(coord);
+			voxelizer.Voxelize(level, singlePassDepth, coord, [&](const VoxelInfo& info, bool best)
+			{
+				if (best) PreProcessNode(info);
+				else PreProcessMissingNode(info);
+			}, RequiresColors(), RequiresNormals(), RequiresReflectivity());
+			FinalizeCurPreprocessPass(coord);
+			if (verbose) printf("Subtree processed in %d ms.\n", (int)(watch.GetTime() * 1000));
+			i++;
+		}
+		FinalizePreprocessing();
+	}
+
+	// Voxelize the scene and build the tree
+	InitTree();
+	Stopwatch smallWatch;
+	unsigned i = 0;
+	for (const glm::uvec3& coord : mValidCoords)
+	{
+		smallWatch.Reset();
+		if (verbose) printf("Processing subtree %llu / %llu at coordinate (%u, %u, %u).\n", (unsigned64)(i + 1), (unsigned64)(mValidCoords.size()), coord.x, coord.y, coord.z);
+		if (!IsSinglePass() && !mForceRebuild && CancelCurPassTree(coord))
+		{
+			if (verbose) printf("Subtree processing cancelled.\n");
+		}
+		else
+		{
+			InitCurPassTree(coord);
+			watch.Reset();
+			voxelizer.Voxelize(level, singlePassDepth, coord, [&](const VoxelInfo& info, bool best)
+			{
+				if (best) AddNode(info);
+				else AddMissingNode(info);
+			}, RequiresColors(), RequiresNormals(), RequiresReflectivity());
+			stats.depthPeelingTime += watch.GetTime(); watch.Reset();
+			FinalizeCurPassTree(coord);
+			stats.finalizationTime += watch.GetTime();
+			if (verbose) printf("Subtree processed in %d ms.\n", (int)(smallWatch.GetTime() * 1000));
+		}
+		i++;
+	}
+	watch.Reset();
+	FinalizeTree();
+	stats.finalizationTime += watch.GetTime();
+
+	// Calculate and show statistics
+	stats.totalTime = mainWatch.GetTime();
+	stats.octreeNodesPerLevel = GetOctreeNodesPerLevel();
+	stats.dagNodesPerLevel = GetNodesPerLevel();
+
+	if (verbose) stats.Print();
+
+	TerminateTree();
+
+	return stats;
+}
+
+bool BaseOctreeBuilder::SubTreeCompare(const glm::uvec3& coord1, const glm::uvec3& coord2) const
+{
+	if (coord1.z != coord2.z)
+		return coord1.z < coord2.z;
+	if (coord1.y != coord2.y)
+		return coord1.y < coord2.y;
+	if (coord1.x != coord2.x)
+		return coord1.x < coord2.x;
+	return false;
+}