void Compile(MegaloScriptConditionActionReferences refs)
{
short first_cond = (short)ConditionWriteOrder.Count;
short first_action = (short)ActionWriteOrder.Count;
short cond_count = 0, action_count = 0;
int prev_union_group = TypeExtensions.kNone, local_union_group_count = 0;
foreach (var handle in refs)
{
switch (handle.Type)
{
case MegaloScriptModelObjectType.Condition:
{
var cond = Model.Conditions[handle.Id];
if (cond.CommentOut)
{
cond.ExecuteBeforeAction = -1;
break;
}
cond_count++;
ConditionWriteOrder.Add(handle.Id);
// We've encountered a new union group, create a new remapping entry for localizing
if (prev_union_group != cond.UnionGroup)
{
UnionGroupRemappings.Add(cond.UnionGroup, local_union_group_count++);
prev_union_group = cond.UnionGroup;
}
cond.ExecuteBeforeAction = action_count;
} break;
case MegaloScriptModelObjectType.Action:
{
var action = Model.Actions[handle.Id];
if (action.CommentOut)
{
break;
}
action_count++;
ActionWriteOrder.Add(handle.Id);
} break;
}
}
refs.Set(first_cond, cond_count, first_action, action_count);
}
void ReferencesSwapLogicUnits(MegaloScriptConditionActionReferences refs,
MegaloScriptModelObjectHandle lhs, MegaloScriptModelObjectHandle rhs)
{
Contract.Requires(lhs.IsNotNone);
Contract.Requires(rhs.IsNotNone);
refs.Swap(lhs, rhs);
if (lhs.Type == MegaloScriptModelObjectType.Condition && rhs.Type == MegaloScriptModelObjectType.Condition)
{
var lhs_cond = Conditions[lhs.Id];
var rhs_cond = Conditions[rhs.Id];
if (lhs_cond.UnionGroup == rhs_cond.UnionGroup)
{
UnionGroupSwapLogicUnits(lhs_cond.UnionGroup, lhs, rhs);
}
}
}
void Decompile(MegaloScriptConditionActionReferences refs)
{
short first_cond, cond_count;
short first_action, action_count;
refs.Get(out first_cond, out cond_count, out first_action, out action_count);
// predict the amount we're adding to avoid realloc'ing
if (cond_count > 0 || action_count > 0)
{
refs.SetCapacity(cond_count + action_count);
}
// first, just add the actions
for (int x = 0, id = first_action; x < action_count; x++, id++)
{
refs.Add(Model.Actions[id].Handle);
}
// We do conditions second as to keep the execute-before-action handling
// simple. Although, insert operations aren't computationally simple...
MegaloScriptUnionGroup global_union_group = null;
for (int prev_union_group_id = TypeExtensions.kNone,
x = cond_count - 1, id = first_cond + x; x >= 0; x--, id--)
{
var cond = Model.Conditions[id];
int insert_index = cond.ExecuteBeforeAction;
Contract.Assert(insert_index.IsNotNone(), "Did we already process this condition?");
refs.Insert(insert_index, cond.Handle);
cond.ExecuteBeforeAction = TypeExtensions.kNone;
if (prev_union_group_id != cond.UnionGroup)
{
prev_union_group_id = cond.UnionGroup;
global_union_group = Model.CreateUnionGroup();
}
global_union_group.Add(cond);
}
}
protected MegaloScriptTriggerBase(MegaloScriptConditionActionReferences refs)
{
References = refs;
}
protected MegaloScriptTriggerBase()
{
References = new MegaloScriptConditionActionReferences();
}