internal void ObjectProcessComponent(int index, LineTypes.Component line, IParentObject obj, Stack<GameObject> objectStack, Stack<ParserContext> contextStack, ParserContext context)
{
#region Object context
if (context == this.objectContext) {
switch (index) {
case 0:
case 2:
return;
case 1:
MeshFilter filter = objectStack.Peek().AddComponent<MeshFilter>();
MeshRenderer renderer = objectStack.Peek().AddComponent<MeshRenderer>();
filter.mesh = Utility.MeshHelper.GetQuad();
renderer.material = new Material(Shader.Find("Standard"));
return;
}
}
#endregion
if (context == this.objectContext.Components[2].context) {
// COLLIDER
// todo: this
}
// other components that have sub-components
throw new Exception("Invalid member in parsed lines list");
}
internal virtual void SetContext()
{
this.context = new ParserContext(
false,
new LineTypes.Property[0],
new LineTypes.Component[0],
ParserContext.ContextType.Root
);
SetObjectContext();
}
internal virtual void ProcessProperty(int index, LineTypes.Property line, IParentObject obj, Stack<GameObject> objectStack, ParserContext context)
{
// overload with switch-case and handle functionalities
throw new Exception("Invalid member in parsed lines list");
}
internal void Parse(CountingReader reader, ParserContext context)
{
while (!reader.EndOfStream) {
string line = reader.ReadLine();
line = line.Trim();
LineType type = GetLineType(line);
if (type == LineType.Empty || type == LineType.Comment) continue;
if (type == LineType.Unknown) throw new ParserExceptions.UnknownLineTypeException();
if (type == LineType.ComponentClose) {
if (context.Type != ParserContext.ContextType.Component)
throw new Exception("Syntax error - Cannot end component outside of component block");
Lines.Add(new LineTypes.ComponentClose());
return;
}
if (type == LineType.ObjectClose) {
if (context.Type != ParserContext.ContextType.Object)
throw new Exception("Syntax error - Cannot end object outside of object block");
Lines.Add(new LineTypes.ObjectClose());
return;
}
if (type == LineType.Property) {
if (context.Properties.Length == 0) throw new Exception("Properties are not allowed in this context. Valid members are: " + context.ListValidMembers());
string propName = line.Split('=')[0].Trim().ToLower();
bool found = false;
for (int i = 0; i < context.Properties.Length; i++) {
if (propName == context.Properties[i].name.ToLower()) {
found = true;
Lines.Add(GetProperty(line, context.Properties[i]));
break;
}
}
if (!found) throw new Exception("Invalid property member \"" + propName + "\". Valid members are: " + context.ListValidMembers());
continue;
}
if (type == LineType.Component) {
if (context.Components.Length == 0) throw new Exception("Components are not allowed in this context. Valid members are: "+context.ListValidMembers());
string compName = line.Substring(0, line.IndexOf('(')).Trim().ToLower();
bool found = false;
for (int i = 0; i < context.Components.Length; i++) {
if (compName == context.Components[i].name.ToLower()) {
found = true;
Lines.Add(new LineTypes.Component(context.Components[i].name, context.Components[i].context));
Parse(reader, context.Components[i].context);
break;
}
}
if (!found) throw new Exception("Invalid component member \"" + compName + "\". Valid members are: " + context.ListValidMembers());
continue;
}
if (type == LineType.Object) {
if (!context.ObjectsAllowed) throw new Exception("Objects are not allowed in this context. Valid members are: "+context.ListValidMembers());
string objectName = line.Substring(0, line.IndexOf('[')).Trim();
Lines.Add(new LineTypes.Object(objectName));
Parse(reader, this.objectContext);
continue;
}
}
}
internal void ObjectProcessProperty(int index, LineTypes.Property line, IParentObject obj, Stack<GameObject> objectStack, ParserContext context)
{
#region Object context
if (context == this.objectContext) {
// properties for object itself (none atm)
// return;
}
#endregion
#region Transform
if (context == this.objectContext.Components[0].context) {
switch (index) {
case 0: // position
objectStack.Peek().transform.localPosition = (Vector3)line.argumentsData[0];
return;
case 1: // rotation
objectStack.Peek().transform.localRotation = Quaternion.Euler((Vector3)line.argumentsData[0]);
return;
case 2: // scale
objectStack.Peek().transform.localScale = (Vector3)line.argumentsData[0];
return;
}
}
#endregion
#region Renderer
if (context == this.objectContext.Components[1].context) {
MeshRenderer renderer = objectStack.Peek().GetComponent<MeshRenderer>();
switch (index) {
case 0: // texture
renderer.sharedMaterial.SetTexture(line.argumentsData[0].ToString(), (Texture2D)line.argumentsData[1]);
return;
case 1: // texture scale
renderer.sharedMaterial.SetTextureScale(line.argumentsData[0].ToString(), (Vector2)line.argumentsData[1]);
return;
case 2: // texture offset
renderer.sharedMaterial.SetTextureOffset(line.argumentsData[0].ToString(), (Vector2)line.argumentsData[1]);
return;
case 3: // color
renderer.sharedMaterial.SetColor(line.argumentsData[0].ToString(), (Color)line.argumentsData[1]);
return;
case 4: // shader
renderer.sharedMaterial = new Material(Shader.Find(line.argumentsData[0].ToString()));
return;
case 5: // rendering mode
string mode = line.argumentsData[0].ToString().Trim().ToLower();
switch (mode) {
case "opaque":
renderer.sharedMaterial.SetFloat("_Mode", 0);
break;
case "cutout":
renderer.sharedMaterial.SetFloat("_Mode", 1);
break;
case "fade":
renderer.sharedMaterial.SetFloat("_Mode", 2);
break;
case "transparent":
renderer.sharedMaterial.SetFloat("_Mode", 3);
break;
default:
throw new ParserExceptions.ParserEnumException(mode, "Opaque", "Cutout", "Fade", "Transparent");
}
return;
default:
throw new Exception("Invalid member in parsed lines list");
}
}
#endregion
// todo: other contexts
throw new Exception("Invalid member in parsed lines list");
}
private void SetObjectContext()
{
// SUB-CONTEXTS
#region Transform
ParserContext transformContext = new ParserContext(
false,
new LineTypes.Property[] {
new LineTypes.Property("Position", "Position = X, Y, Z", LineTypes.Property.ArgumentTypes.Vector3),
new LineTypes.Property("Rotation", "Rotation = X, Y, Z", LineTypes.Property.ArgumentTypes.Vector3),
new LineTypes.Property("Scale", "Scale = X, Y, Z", LineTypes.Property.ArgumentTypes.Vector3),
// todo: add layer (first add enum handling)
},
new LineTypes.Component[] { },
ParserContext.ContextType.Component
);
#endregion
#region Renderer
ParserContext rendererContext = new ParserContext(
false,
new LineTypes.Property[] {
new LineTypes.Property("Texture", "Texture = NAME = PATH", LineTypes.Property.ArgumentTypes.String, LineTypes.Property.ArgumentTypes.TexturePath),
new LineTypes.Property("TextureScale", "TextureScale = NAME = XSCALE, YSCALE", LineTypes.Property.ArgumentTypes.String, LineTypes.Property.ArgumentTypes.Vector2),
new LineTypes.Property("TextureOffset", "TextureOffset = NAME = XOFFSET, YOFFSET", LineTypes.Property.ArgumentTypes.String, LineTypes.Property.ArgumentTypes.Vector2),
new LineTypes.Property("Color", "Color = NAME = VALUE", LineTypes.Property.ArgumentTypes.String, LineTypes.Property.ArgumentTypes.Color),
new LineTypes.Property("Shader", "Shader = NAME", LineTypes.Property.ArgumentTypes.String),
new LineTypes.Property("Mode", "Mode = VALUE", LineTypes.Property.ArgumentTypes.String),
},
new LineTypes.Component[] { },
ParserContext.ContextType.Component
);
#endregion
#region Collider
ParserContext physicsMaterialContext = new ParserContext(
false,
new LineTypes.Property[] {
new LineTypes.Property("Friction", "Friction = VALUE", LineTypes.Property.ArgumentTypes.Float),
new LineTypes.Property("Bounciness", "Bounciness = VALUE", LineTypes.Property.ArgumentTypes.Float),
},
new LineTypes.Component[] { },
ParserContext.ContextType.Component
);
ParserContext boxColliderContext = new ParserContext(
false,
new LineTypes.Property[] {
new LineTypes.Property("Center", "Center = X, Y, Z", LineTypes.Property.ArgumentTypes.Vector3),
new LineTypes.Property("Size", "Size = X, Y, Z", LineTypes.Property.ArgumentTypes.Vector3),
},
new LineTypes.Component[] {
new LineTypes.Component("Material", physicsMaterialContext)
},
ParserContext.ContextType.Component
);
ParserContext circleColliderContext = new ParserContext(
false,
new LineTypes.Property[] {
new LineTypes.Property("Center", "Center = X, Y, Z", LineTypes.Property.ArgumentTypes.Vector3),
new LineTypes.Property("Radius", "Radius = VALUE", LineTypes.Property.ArgumentTypes.Float),
},
new LineTypes.Component[] {
new LineTypes.Component("Material", physicsMaterialContext)
},
ParserContext.ContextType.Component
);
ParserContext colliderContext = new ParserContext(
false,
new LineTypes.Property[] { },
new LineTypes.Component[] {
new LineTypes.Component("Box", boxColliderContext),
new LineTypes.Component("Circle", circleColliderContext)
// todo: add polygon collider
},
ParserContext.ContextType.Component
);
#endregion
// todo: add lights, interaction, scripts, resources.....
// MAIN CONTEXT
this.objectContext = new ParserContext(
true,
new LineTypes.Property[0],
new LineTypes.Component[] {
new LineTypes.Component("Transform", transformContext),
new LineTypes.Component("Renderer", rendererContext),
new LineTypes.Component("Collider", colliderContext),
},
ParserContext.ContextType.Object
);
}
public Component(string name, ParserContext context)
{
this.name = name;
this.context = context;
}
internal virtual void ProcessComponent(int index, LineTypes.Component line, IParentObject obj, Stack <GameObject> objectStack, Stack <ParserContext> contextStack, ParserContext context)
{
// overload with switch-case and handle functionalities
throw new Exception("Invalid member in parsed lines list");
}
private void ProcessLine(IParentObject rootObject, Stack <ParserContext> contextStack, Stack <GameObject> objectStack, IParserLine tempLine)
{
LineType type = tempLine.GetType();
ParserContext currentContext = contextStack.Peek();
int index = -1;
switch (type)
{
case LineType.Property:
LineTypes.Property lineProperty = (LineTypes.Property)tempLine;
for (int i = 0; i < currentContext.Properties.Length; i++)
{
if (currentContext.Properties[i].name == lineProperty.name)
{
index = i;
break;
}
}
if (index == -1)
{
throw new Exception("Invalid member in parsed lines list");
}
ProcessProperty(index, lineProperty, rootObject, objectStack, currentContext);
break;
case LineType.Component:
LineTypes.Component lineComponent = (LineTypes.Component)tempLine;
for (int i = 0; i < currentContext.Components.Length; i++)
{
if (currentContext.Components[i].name == lineComponent.name)
{
index = i;
break;
}
}
if (index == -1)
{
throw new Exception("Invalid member in parsed lines list");
}
ProcessComponent(index, lineComponent, rootObject, objectStack, contextStack, currentContext);
contextStack.Push(currentContext.Components[index].context);
break;
case LineType.Object:
LineTypes.Object lineObject = (LineTypes.Object)tempLine;
GameObject tempGO = new GameObject();
tempGO.name = lineObject.name;
tempGO.SetActive(false);
if (objectStack.Count > 0)
{
tempGO.transform.parent = objectStack.Peek().transform;
}
rootObject.AssignChild(tempGO);
objectStack.Push(tempGO);
contextStack.Push(this.objectContext);
break;
case LineType.ObjectClose:
case LineType.ComponentClose:
contextStack.Pop();
break;
default:
throw new System.Exception("Invalid line type in parsed lines list");
}
}
internal void Parse(CountingReader reader, ParserContext context)
{
while (!reader.EndOfStream)
{
string line = reader.ReadLine();
line = line.Trim();
LineType type = GetLineType(line);
if (type == LineType.Empty || type == LineType.Comment)
{
continue;
}
if (type == LineType.Unknown)
{
throw new ParserExceptions.UnknownLineTypeException();
}
if (type == LineType.ComponentClose)
{
if (context.Type != ParserContext.ContextType.Component)
{
throw new Exception("Syntax error - Cannot end component outside of component block");
}
Lines.Add(new LineTypes.ComponentClose());
return;
}
if (type == LineType.ObjectClose)
{
if (context.Type != ParserContext.ContextType.Object)
{
throw new Exception("Syntax error - Cannot end object outside of object block");
}
Lines.Add(new LineTypes.ObjectClose());
return;
}
if (type == LineType.Property)
{
if (context.Properties.Length == 0)
{
throw new Exception("Properties are not allowed in this context. Valid members are: " + context.ListValidMembers());
}
string propName = line.Split('=')[0].Trim().ToLower();
bool found = false;
for (int i = 0; i < context.Properties.Length; i++)
{
if (propName == context.Properties[i].name.ToLower())
{
found = true;
Lines.Add(GetProperty(line, context.Properties[i]));
break;
}
}
if (!found)
{
throw new Exception("Invalid property member \"" + propName + "\". Valid members are: " + context.ListValidMembers());
}
continue;
}
if (type == LineType.Component)
{
if (context.Components.Length == 0)
{
throw new Exception("Components are not allowed in this context. Valid members are: " + context.ListValidMembers());
}
string compName = line.Substring(0, line.IndexOf('(')).Trim().ToLower();
bool found = false;
for (int i = 0; i < context.Components.Length; i++)
{
if (compName == context.Components[i].name.ToLower())
{
found = true;
Lines.Add(new LineTypes.Component(context.Components[i].name, context.Components[i].context));
Parse(reader, context.Components[i].context);
break;
}
}
if (!found)
{
throw new Exception("Invalid component member \"" + compName + "\". Valid members are: " + context.ListValidMembers());
}
continue;
}
if (type == LineType.Object)
{
if (!context.ObjectsAllowed)
{
throw new Exception("Objects are not allowed in this context. Valid members are: " + context.ListValidMembers());
}
string objectName = line.Substring(0, line.IndexOf('[')).Trim();
Lines.Add(new LineTypes.Object(objectName));
Parse(reader, this.objectContext);
continue;
}
}
}