public bool FollowInteraction(ref InteractionContext context)
{
context.flagsAdded = new HashSet <string>();
context.flagsRemoved = new HashSet <string>();
if (context.complete)
{
return(true);
}
if (context.interaction_at is DialogueNode dialogue)
{
return(MoveNext(ref context, context.ui_controller.Select()));
}
else
{
return(MoveNext(ref context, context.interaction_at.GetNextNode()));
}
}
public bool FollowInteraction(ref InteractionContext context)
{
if (context.complete)
{
return(true);
}
if (context.interaction_at is DialogueNode dialogue)
{
if (context.ui_controller.TrySelect(out var next_node))
{
return(MoveNext(ref context, next_node));
}
}
else if (handle_custom_node_continue(context.interaction_at, context, out var next_node))
{
return(MoveNext(ref context, next_node));
}
return(false);
}
private bool MoveNext(ref InteractionContext context, InteractionNode node)
{
if (node == null)
{
context.complete = true;
context.interaction_at = null;
return(true);
}
if (!node.FlagsMeetRequirements(context.flags))
{
context.complete = true;
context.interaction_at = null;
return(true);
}
active_context = context;
context.interaction_at = node;
foreach (var flag in node.flagInteractions.flags)
{
if (flag.Instruction == FlagInstruction.Add)
{
var flagValue = flag.Value.ToLower();
context.flags.Add(flagValue);
context.flagsAdded.Add(flagValue);
}
else if (flag.Instruction == FlagInstruction.Remove)
{
var flagValue = flag.Value.ToLower();
context.flags.Remove(flagValue);
context.flagsRemoved.Add(flagValue);
}
}
if (node is VarSetNode var_set)
{
var target = var_set.Target;
if (target == null)
{
throw new System.Exception("Trying to set a variable on a null target!");
}
if (target.GetVariable(var_set.var_name, out var var))
{
if (var.var_type != var_set.VarType)
{
throw new System.Exception($"Variable {var_set.var_name} exists but is of type {var.var_type} not {var_set.VarType}.");
}
target.SetVariable(var_set.var_name, var_set.Input);
}
else
{
throw new System.Exception($"Variable {var_set.var_name} does not exist.");
}
}
if (node is SetAnimatorBooleanNode anim_var_set)
{
var anim = anim_var_set.Animator;
if (anim != null)
{
anim.SetBool(anim_var_set.ParameterName, anim_var_set.Value);
}
else
{
throw new System.Exception($"Trying to set animation variable {anim_var_set.ParameterName} on null animator!");
}
}
if (node is SetGameobjectEnabled game_obj_enabled)
{
var gameobject = game_obj_enabled.Gameobject;
if (gameobject != null)
{
gameobject.SetActive(game_obj_enabled.Value);
}
else
{
throw new System.Exception("Trying to set active state on null game object!");
}
}
if (node is DestroyGameobjectNode destroy_node)
{
var gameobject = destroy_node.Gameobject;
if (gameobject != null)
{
Destroy(gameobject);
}
else
{
throw new System.Exception("Trying to destroy a null game object!");
}
}
if (node is FlipPlayerNode filpNode)
{
filpNode.player.AnimateFlipTo(filpNode.destination);
}
if (node is DialogueNode dialogue)
{
context.ui_controller.Show(dialogue, context.flags);
return(false);
}
else
{
return(MoveNext(ref context, context.interaction_at.GetNextNode()));
}
}
public bool StartInteraction(InteractionEntryNode start, HashSet <string> flags, UIController ui_controller, out InteractionContext context)
{
context = new InteractionContext {
complete = false,
interaction_at = start,
flags = flags,
ui_controller = ui_controller,
};
return(FollowInteraction(ref context));
}
private bool MoveNext(ref InteractionContext context, InteractionNode node)
{
while (true)
{
if (node == null)
{
context.complete = true;
context.interaction_at = null;
return(true);
}
if (!node.FlagsMeetRequirements(context.flags))
{
context.complete = true;
context.interaction_at = null;
return(true);
}
active_context = context;
context.interaction_at = node;
foreach (var flag in node.flagInteractions.flags)
{
if (flag.Instruction == FlagInstruction.Set)
{
context.flags[flag.Value] = true;
}
else if (flag.Instruction == FlagInstruction.Unset)
{
context.flags[flag.Value] = false;
}
}
if (node is VarSetNode var_set)
{
var target = var_set.Target;
if (target == null)
{
throw new System.Exception("Trying to set a variable on a null target!");
}
if (target.GetVariable(var_set.var_name, out var var))
{
if (var.var_type != var_set.VarType)
{
throw new System.Exception($"Variable {var_set.var_name} exists but is of type {var.var_type} not {var_set.VarType}.");
}
target.SetVariable(var_set.var_name, var_set.Input);
}
else
{
throw new System.Exception($"Variable {var_set.var_name} does not exist.");
}
}
else if (node is SetAnimatorBooleanNode anim_var_set)
{
var anim = anim_var_set.Animator;
if (anim != null)
{
anim.SetBool(anim_var_set.ParameterName, anim_var_set.Value);
}
else
{
throw new System.Exception($"Trying to set animation variable {anim_var_set.ParameterName} on null animator!");
}
}
else if (node is SetGameobjectEnabled game_obj_enabled)
{
var gameobject = game_obj_enabled.Gameobject;
if (gameobject != null)
{
gameobject.SetActive(game_obj_enabled.Value);
}
else
{
throw new System.Exception("Trying to set active state on null game object!");
}
}
else if (node is DestroyGameobjectNode destroy_node)
{
var gameobject = destroy_node.Gameobject;
if (gameobject != null)
{
Destroy(gameobject);
}
else
{
throw new System.Exception("Trying to destroy a null game object!");
}
}
else if (node is TakeItemNode take_item_node)
{
node = take_item_node.TryTakeItem(context.inventory);
continue;
}
else if (node is DialogueNode dialogue)
{
context.ui_controller.ShowNode(dialogue, context.inventory, context.flags);
return(false);
}
else
{
if (handle_custom_node(node, context, out var next_node))
{
node = next_node;
continue;
}
else
{
return(false);
}
}
node = node.GetNextNode();
}
}
public bool StartInteraction(InteractionEntryNode start, Inventory inventory, FlagSet flags, UIController ui_controller, out InteractionContext context)
{
context = new InteractionContext {
complete = false,
interaction_at = start,
inventory = inventory,
flags = flags,
ui_controller = ui_controller,
};
return(FollowInteraction(ref context));
}