//-------------------------------------------------------------------------
public static void CalculateUnreducedOutlineForAllColliderRegions(ref ColliderRegionData[] colliderRegions, ref PolygonOutlineFromImageFrontend outlineAlgorithm,
RegionIndependentParameters regionIndependentParameters,
ColliderRegionParameters[] colliderRegionParameters, bool [,] binaryImage,
bool ccwVertexOrder) {
for (int count = 0; count < colliderRegions.Length; ++count) {
if (colliderRegionParameters[count].EnableRegion) {
// Calculate polygon bounds
outlineAlgorithm.VertexReductionDistanceTolerance = regionIndependentParameters.VertexReductionDistanceTolerance;
outlineAlgorithm.MaxPointCount = colliderRegionParameters[count].MaxPointCount;
bool allRegionsConvex = regionIndependentParameters.Convex;
outlineAlgorithm.Convex = allRegionsConvex ? true : colliderRegionParameters[count].Convex;
//outlineAlgorithm.Convex = colliderRegionParameters[count].Convex;
outlineAlgorithm.XOffsetNormalized = -0.5f;//-this.transform.localScale.x / 2.0f;
outlineAlgorithm.YOffsetNormalized = -0.5f;//-this.transform.localScale.y / 2.0f;
bool outputInNormalizedSpace = true;
bool regionVertexOrder = ccwVertexOrder;
if (!colliderRegions[count].mRegionIsIsland) {
regionVertexOrder = !regionVertexOrder;
}
colliderRegions[count].mOutlineVertexOrderIsCCW = regionVertexOrder;
outlineAlgorithm.UnreducedOutlineFromBinaryImage(out colliderRegions[count].mIntermediateOutlineVertices, binaryImage, colliderRegions[count].mDetectedRegion.mPointAtBorder, colliderRegions[count].mRegionIsIsland, outputInNormalizedSpace, regionVertexOrder);
}
else {
colliderRegions[count].mIntermediateOutlineVertices = null;
colliderRegions[count].mResultVertices = null;
colliderRegions[count].mResultTriangleIndices = null;
}
}
}
//-------------------------------------------------------------------------
static public void UpdateSimilarCollidersColliderData(string colliderMeshPathToReload, ColliderRegionData[] colliderRegions)
{
#if UNITY_4_AND_LATER
object[] alphaMeshColliders = GameObject.FindObjectsOfType(typeof(AlphaMeshCollider));
#else
object[] alphaMeshColliders = GameObject.FindSceneObjectsOfType(typeof(AlphaMeshCollider));
#endif
foreach (AlphaMeshCollider collider in alphaMeshColliders)
{
if (collider.FullColliderMeshPath().Equals(colliderMeshPathToReload)) {
collider.mColliderRegions = colliderRegions;
}
}
}
//-------------------------------------------------------------------------
public static void SetupColliderRegions(out ColliderRegionData[] colliderRegions, IslandDetector.Region[] islands, IslandDetector.Region[] seaRegions) {
int numColliderRegions = islands.Length + seaRegions.Length;
colliderRegions = new ColliderRegionData[numColliderRegions];
int colliderRegionIndex = 0;
foreach (IslandDetector.Region islandRegion in islands) {
ColliderRegionData newRegion = new ColliderRegionData();
newRegion.mDetectedRegion = islandRegion;
newRegion.mRegionIsIsland = true;
colliderRegions[colliderRegionIndex++] = newRegion;
}
foreach (IslandDetector.Region seaRegion in seaRegions) {
ColliderRegionData newRegion = new ColliderRegionData();
newRegion.mDetectedRegion = seaRegion;
newRegion.mRegionIsIsland = false;
colliderRegions[colliderRegionIndex++] = newRegion;
}
}
//-------------------------------------------------------------------------
static bool JoinVertexGroups(ColliderRegionData[] regions, out Vector3[] jointVertices, out int[] jointIndices) {
int numVertices = 0;
int numIndices = 0;
for (int count = 0; count < regions.Length; ++count) {
if (regions[count].mResultVertices == null || regions[count].mResultTriangleIndices == null) {
continue;
}
numVertices += regions[count].mResultVertices.Length;
numIndices += regions[count].mResultTriangleIndices.Length;
}
jointVertices = new Vector3[numVertices];
jointIndices = new int[numIndices];
int jointVertexIndex = 0;
int jointIndexIndex = 0;
int indexOffset = 0;
for (int regionIndex = 0; regionIndex < regions.Length; ++regionIndex) {
if (regions[regionIndex].mResultVertices == null || regions[regionIndex].mResultTriangleIndices == null) {
continue;
}
Vector3[] regionVertices = regions[regionIndex].mResultVertices;
int[] regionIndices = regions[regionIndex].mResultTriangleIndices;
for (int regionVertexIndex = 0; regionVertexIndex < regionVertices.Length; ++regionVertexIndex) {
jointVertices[jointVertexIndex++] = regionVertices[regionVertexIndex];
}
for (int regionIndexIndex = 0; regionIndexIndex < regionIndices.Length; ++regionIndexIndex) {
jointIndices[jointIndexIndex++] = regionIndices[regionIndexIndex] + indexOffset;
}
indexOffset += regionVertices.Length;
}
return true;
}
//-------------------------------------------------------------------------
public static int ReduceOutlineForAllColliderRegions(ref ColliderRegionData[] colliderRegions, ref PolygonOutlineFromImageFrontend outlineAlgorithm,
RegionIndependentParametersTK2D regionIndependentParameters,
ColliderRegionParametersTK2D[] colliderRegionParameters) {
int numRegionsWithData = 0;
if (colliderRegions == null || colliderRegions.Length == 0 || outlineAlgorithm == null) {
Debug.LogError("Error: Unexpected state in ReduceOutlineForAllColliderRegions(): colliderRegions is empty or null or outlineAlgorithm is null!");
return 0;
}
for (int count = 0; count < colliderRegions.Length; ++count) {
if (colliderRegions[count].mIntermediateOutlineVertices == null) {
colliderRegions[count].mResultVertices = null;
colliderRegions[count].mResultTriangleIndices = null;
continue;
}
if (colliderRegions[count].mReducedOutlineVertices != null && !colliderRegionParameters[count].RegionUpdateCalculationNeeded) {
continue;
}
outlineAlgorithm.VertexReductionDistanceTolerance = regionIndependentParameters.VertexReductionDistanceTolerance;
outlineAlgorithm.MaxPointCount = colliderRegionParameters[count].MaxPointCount;
// TODO: replace this with a joint-convex hull implementation, just a workaround for now.
bool allRegionsConvex = regionIndependentParameters.Convex;
outlineAlgorithm.Convex = allRegionsConvex ? true : colliderRegionParameters[count].Convex;
colliderRegions[count].mReducedOutlineVertices = outlineAlgorithm.ReduceOutline(colliderRegions[count].mIntermediateOutlineVertices, colliderRegions[count].mOutlineVertexOrderIsCCW);
colliderRegionParameters[count].RegionUpdateCalculationNeeded = false;
++numRegionsWithData;
}
return numRegionsWithData;
}
//-------------------------------------------------------------------------
public static void CalculateUnreducedOutlineForAllColliderRegions(ref ColliderRegionData[] colliderRegions, ref PolygonOutlineFromImageFrontend outlineAlgorithm,
RegionIndependentParametersTK2D regionIndependentParameters,
ColliderRegionParametersTK2D[] colliderRegionParameters, bool [,] binaryImage,
bool ccwVertexOrder) {
Vector3 customOffset = regionIndependentParameters.CustomOffset;
Vector3 customScale = regionIndependentParameters.CustomScale;
for (int count = 0; count < colliderRegions.Length; ++count) {
if (colliderRegionParameters[count].EnableRegion) {
// Calculate polygon bounds
outlineAlgorithm.VertexReductionDistanceTolerance = regionIndependentParameters.VertexReductionDistanceTolerance;
outlineAlgorithm.MaxPointCount = colliderRegionParameters[count].MaxPointCount;
// TODO: replace this with a joint-convex hull implementation, just a workaround for now.
bool allRegionsConvex = regionIndependentParameters.Convex;
outlineAlgorithm.Convex = allRegionsConvex ? true : colliderRegionParameters[count].Convex;
//outlineAlgorithm.Convex = colliderRegionParameters[count].Convex;
outlineAlgorithm.XOffsetNormalized = 0.0f + customOffset.x + (0.5f - (0.5f * customScale.x));
outlineAlgorithm.YOffsetNormalized = 1.0f - customOffset.y - (0.5f - (0.5f * customScale.y));
outlineAlgorithm.XScale = 1.0f * customScale.x;
outlineAlgorithm.YScale = -1.0f * customScale.y;
bool outputVerticesInNormalizedSpace = false;
bool regionVertexOrder = ccwVertexOrder;
if (!colliderRegions[count].mRegionIsIsland) {
regionVertexOrder = !regionVertexOrder;
}
colliderRegions[count].mOutlineVertexOrderIsCCW = regionVertexOrder;
outlineAlgorithm.UnreducedOutlineFromBinaryImage(out colliderRegions[count].mIntermediateOutlineVertices, binaryImage, colliderRegions[count].mDetectedRegion.mPointAtBorder, colliderRegions[count].mRegionIsIsland, outputVerticesInNormalizedSpace, regionVertexOrder);
}
else {
colliderRegions[count].mIntermediateOutlineVertices = null;
colliderRegions[count].mResultVertices = null;
colliderRegions[count].mResultTriangleIndices = null;
}
}
}
//-------------------------------------------------------------------------
void OnInspectorGuiHolesAndIslandsSection(out bool haveColliderRegionEnabledChanged,
out bool haveColliderRegionMaxPointCountChanged,
out bool haveColliderRegionConvexChanged)
{
haveColliderRegionEnabledChanged = false;
haveColliderRegionMaxPointCountChanged = false;
haveColliderRegionConvexChanged = false;
if (mAlgorithmHelper.ColliderRegions == null || mAlgorithmHelper.ColliderRegions.Length == 0 ||
mAlgorithmHelper.ColliderRegionParams == null || mAlgorithmHelper.ColliderRegionParams.Length == 0)
{
return;
}
if (!mAllSelectedSpritesHaveSameNumColliderRegions)
{
EditorGUILayout.LabelField("Holes and Islands", "<different number of Holes/Islands>");
return;
}
int numColliderRegions = 0;
if (mAlgorithmHelper.ColliderRegions != null)
{
numColliderRegions = mAlgorithmHelper.ColliderRegions.Length;
}
bool[] newIsRegionEnabled = new bool [numColliderRegions];
int[] newRegionPointCount = new int [numColliderRegions];
bool[] newForceRegionConvex = new bool [numColliderRegions];
string foldoutString = "Holes and Islands [" + mAlgorithmHelper.NumEnabledColliderRegions + "][" + mAlgorithmHelper.ActualPointCountOfAllRegions + " vertices]";
mShowHolesAndIslandsSection = EditorGUILayout.Foldout(mShowHolesAndIslandsSection, foldoutString);
if (mShowHolesAndIslandsSection)
{
EditorGUI.indentLevel++;
for (int regionIndex = 0; regionIndex < numColliderRegions; ++regionIndex)
{
ColliderRegionData colliderRegion = mAlgorithmHelper.ColliderRegions[regionIndex];
ColliderRegionParametersTK2D parameters = mAlgorithmHelper.ColliderRegionParams[regionIndex];
bool isEnabled = parameters.EnableRegion;
int maxPointCount = parameters.MaxPointCount;
bool convex = parameters.Convex;
if (regionIndex != 0)
{
EditorGUILayout.Space();
}
string regionOrIslandString = colliderRegion.mRegionIsIsland ? "Island " : "Hole ";
regionOrIslandString += regionIndex + " [" + colliderRegion.mDetectedRegion.mPointCount + " px]";
//EditorGUILayout.BeginToggleGroup(regionOrIslandString, true);
bool newIsEnabled = EditorGUILayout.BeginToggleGroup(regionOrIslandString, isEnabled);
//bool newIsEnabled = EditorGUILayout.Toggle(regionOrIslandString, isEnabled);
EditorGUI.indentLevel++;
// int [3..100] max point count
int newPointCount = EditorGUILayout.IntSlider("Outline Vertex Count", maxPointCount, 3, mPointCountSliderMax);
bool newConvex = EditorGUILayout.Toggle("Force Convex", convex);
EditorGUI.indentLevel--;
EditorGUILayout.EndToggleGroup();
bool hasEnabledChanged = newIsEnabled != isEnabled;
bool hasPountCountChanged = newPointCount != maxPointCount;
bool hasConvexChanged = newConvex != convex;
if (hasEnabledChanged)
{
haveColliderRegionEnabledChanged = true;
}
if (hasPountCountChanged)
{
haveColliderRegionMaxPointCountChanged = true;
}
if (hasConvexChanged)
{
haveColliderRegionConvexChanged = true;
}
newIsRegionEnabled[regionIndex] = newIsEnabled;
newRegionPointCount[regionIndex] = newPointCount;
newForceRegionConvex[regionIndex] = newConvex;
}
for (int regionIndex = 0; regionIndex < numColliderRegions; ++regionIndex)
{
ColliderRegionParametersTK2D colliderRegionParams = mAlgorithmHelper.ColliderRegionParams[regionIndex];
colliderRegionParams.EnableRegion = newIsRegionEnabled[regionIndex];
colliderRegionParams.MaxPointCount = newRegionPointCount[regionIndex];
colliderRegionParams.Convex = newForceRegionConvex[regionIndex];
}
EditorGUI.indentLevel--;
}
}