public static List <GameObject> Read(Byte[] data)
{
unsafe
{
fixed(Byte *ptr = data)
{
if (ptr == null)
{
return(null);
}
Header * header = (Header *)ptr;
Group * areas = (Group *)(ptr + sizeof(Header));
Group * doors = areas + header->CountAreas;
Group * modules = doors + header->CountDoors;
Group * objects = modules + header->CountModules;
Group * end = objects + header->CountObjects;
Script * scripts = (Script *)(ptr + header->ScriptsOffset);
Operation *operation = (Operation *)(ptr + header->OperationsOffset);
Int64 groupNumber = end - areas;
Group[] groups = new Group[groupNumber];
for (Group *group = areas; group < end; group++)
{
groups[--groupNumber] = *group;
}
List <GameObject> gameObjects = new List <GameObject>(groups.Length);
foreach (Group group in groups.OrderBy(g => g.Label))
{
List <GameScript> objectScripts = new List <GameScript>(group.ScriptsCount + 1);
for (Int32 s = 0; s <= group.ScriptsCount; s++)
{
Int32 scriptLabel = group.Label + s;
UInt16 position = scripts->Position;
scripts++;
UInt16 count = (UInt16)(scripts->Position - position);
Jsm.ExecutableSegment scriptSegment = MakeScript(operation + position, count);
objectScripts.Add(new GameScript(scriptLabel, scriptSegment));
}
gameObjects.Add(new GameObject(group.Label, objectScripts));
}
return(gameObjects);
}
}
}
/**
* parentMat: null -> no change
* same pointer -> parent transform changed
* diff pointer -> parent changed
*/
public static void Draw(Group *self, float *parentMat, bool isParentTransformDirty)
{
var childLst = &self->childLst;
int childCount = childLst->count;
void **childArr = childLst->arr;
// sort by depth if any child depth is changed
for (int i = 0; i < childCount; i += 1)
{
if (Node.IsDepthDirty(childArr[i]))
{
Algo.MergeSort(childArr, childCount, Node.DepthCmp);
break;
}
}
float *mat = self->mat;
float *concatMat = self->concatMat;
bool isTransformDirty = self->isTransformDirty;
if (isTransformDirty)
{
self->isTransformDirty = false;
Mat2D.FromScalingRotationTranslation(mat, self->pos, self->scl, self->rot);
}
if (isParentTransformDirty)
{
self->parentMat = parentMat;
}
if (isTransformDirty || isParentTransformDirty)
{
isParentTransformDirty = true;
if (parentMat == null)
{
Mat2D.Copy(concatMat, mat);
}
else
{
Mat2D.Mul(concatMat, parentMat, mat);
}
}
for (int i = 0; i < childCount; i += 1)
{
Node.Draw(childArr[i], concatMat, isParentTransformDirty);
}
}
public static void Init(Group *self)
{
self->tag = Tag.Group;
Vec3.Zero(self->pos);
Vec2.One(self->scl);
self->rot = 0;
self->isTransformDirty = true;
self->isDepthDirty = true;
Mat2D.Identity(self->mat);
Mat2D.Identity(self->concatMat);
self->parentMat = null;
PtrLst.Init(&self->childLst);
}