public void Parse(ref string[] program)
{
string floatFunctionName = ParseUtils.GetToken(ref program);
_Function = WooScript.GetFloatFunction(floatFunctionName);
_Function.Parse(ref program);
}
public void RenderPreview()
{
_Camera = new Camera(new Vector3(0, 0.4, -0.75), new Vector3(0, 0.5, 0), 40, 0, 0);
_Camera._AAEnabled = true;
_Camera._DOFEnabled = false;
string log = "", error = "";
_BackgroundScript = new WooScript();
_BackgroundScript._Program = "rule main {pos.y -= 1 box}";
_BackgroundScript.Parse(ref log, ref error);
_PreviewScript = new WooScript();
_PreviewScript._Program = "rule main {diff=vec("+_Material._DiffuseColour.ToString()+")\r\n"
+ "spec=vec(" + _Material._SpecularColour.ToString() + ")\r\n"
+ "refl=vec(" + _Material._Reflectivity.ToString() + ")\r\n"
+ "emi=vec(" + _Material._EmissiveColour.ToString() + ")\r\n"
+ "power=" + _Material._SpecularPower.ToString() + "\r\n"
+ "gloss=" + _Material._Shininess.ToString() + "\r\n"
+ "sphere}";
_PreviewScript.Parse(ref log, ref error);
_LightingScript = new WooScript();
_LightingScript._Program = "rule main {directionalLight(vec(1.0, 1.0, 1.0), vec(-0.7, 1.0, -0.6), 0.02, 1) background(vec(0.0,0.0,0.0))}";
_LightingScript.Parse(ref log, ref error);
_Scene = new Scene(_Camera);
_Scene.AddRenderObject(_BackgroundScript);
_Scene.AddRenderObject(_PreviewScript);
_Scene.AddRenderObject(_LightingScript);
BuildXML();
_ImageRenderer = new ImageRenderer(image1, _XML, (int)image1.Width, (int)image1.Height, false);
_ImageRenderer.Render();
_ImageRenderer.SetPostProcess(new PostProcess());
_ImageRenderer.TransferLatest(false);
}
public void Parse(ref string[] program)
{
string openbrace = ParseUtils.GetToken(ref program);
string nexttoken = ParseUtils.PeekToken(program);
while (nexttoken != "}")
{
TokenType type = WooScript.GetTokenType(nexttoken);
if (nexttoken.Equals("if", StringComparison.Ordinal))
{
IfStatement ifStatement = new IfStatement();
ifStatement.Parse(ref program);
_Statements.Add(ifStatement);
}
else if (nexttoken.Equals("repeat", StringComparison.Ordinal))
{
RepeatStatement repeatStatement = new RepeatStatement();
repeatStatement.Parse(ref program);
_Statements.Add(repeatStatement);
}
else if (nexttoken.Equals("{", StringComparison.Ordinal))
{
ScopeStatement scopeStatement = new ScopeStatement();
scopeStatement.Parse(ref program);
_Statements.Add(scopeStatement);
}
else if (type == TokenType.rule)
{
CallStatement callStatement = new CallStatement();
callStatement.Parse(ref program);
_Statements.Add(callStatement);
}
else if (type == TokenType.nullFunction)
{
NullStatement nullStatement = new NullStatement();
nullStatement.Parse(ref program);
_Statements.Add(nullStatement);
}
else if ((type == TokenType.vecVar) || (type == TokenType.floatVar))
{
VarStatement varStatement = new VarStatement();
varStatement.Parse(ref program);
_Statements.Add(varStatement);
}
else
{
throw new ParseException("Unexpected token \"" + nexttoken + "\" at start of expression");
}
nexttoken = ParseUtils.PeekToken(program);
}
string closebrace = ParseUtils.GetToken(ref program);
}
public void Remove()
{
if (_Type == VarType.varFloat)
{
WooScript.RemoveFloatVariable(_Name);
}
else if (_Type == VarType.varVector)
{
WooScript.RemoveVecVariable(_Name);
}
}
public void Add()
{
if (_Type == VarType.varFloat)
{
WooScript.AddFloatVariable(_Name);
}
else if (_Type == VarType.varVector)
{
WooScript.AddVecVariable(_Name);
}
}
public void Parse(ref string[] program)
{
_DistanceFunction = ParseUtils.GetToken(ref program);
if (WooScript.IsShader(_DistanceFunction))
{
_ShaderMode = true;
}
else
{
_ShaderMode = false;
}
}
public void Parse(ref string[] program)
{
string token = ParseUtils.PeekToken(program);
if (token.Equals("(", StringComparison.Ordinal))
{
token = ParseUtils.GetToken(ref program);
do
{
Argument arg = new Argument();
token = ParseUtils.GetToken(ref program);
if (token.Equals("float", StringComparison.Ordinal))
{
arg._Type = VarType.varFloat;
}
else if (token.Equals("vec", StringComparison.Ordinal))
{
arg._Type = VarType.varVector;
}
else
{
throw new ParseException("Expected type of parameter (float OR vec), not" + token);
}
arg._Name = ParseUtils.GetToken(ref program);
WooScript.ValidateName(arg._Name);
_Arguments.Add(arg);
token = ParseUtils.GetToken(ref program);
}while (token.Equals(",", StringComparison.Ordinal));
if (!token.Equals(")", StringComparison.Ordinal))
{
throw new ParseException("Expected \")\" but found \"" + token + "\" instead. :(");
}
}
foreach (Argument a in _Arguments)
{
a.Add();
}
block.Parse(ref program);
foreach (Argument a in _Arguments)
{
a.Remove();
}
}
public HelpWindow()
{
InitializeComponent();
string helpText;
WooScript helpScript = new WooScript();
helpText = helpScript.GetHelpText();
string distanceHelpText;
distanceHelpText = ShaderScript.GetHelpText();
helpText += System.Environment.NewLine + "Shader Functions : " + System.Environment.NewLine + distanceHelpText;
textBox1.Text = helpText;
}
public void Parse(ref string[] program)
{
string token = ParseUtils.GetToken(ref program);
if (token.Length > 0)
{
_MaterialFunction = token;
if (!WooScript.IsShader(_MaterialFunction))
{
throw new ParseException("materialfunction call expected a shader, sadly " + _MaterialFunction + " isn't one...");
}
}
else
{
_MaterialFunction = "";
}
}
public void Parse(ref string[] program)
{
_Variable = ParseUtils.GetToken(ref program);
TokenType tokenType = WooScript.GetTokenType(_Variable);
if (tokenType == TokenType.floatVar)
{
_Type = VarType.varFloat;
}
else if (tokenType == TokenType.vecVar)
{
_Type = VarType.varVector;
}
else
{
throw new ParseException("Unknown type for variable \"" + _Variable + "\"");
}
}
public void Parse(ref string[] program)
{
string token = ParseUtils.GetToken(ref program);
WooScript._Log.AddMsg("Found function, target \"" + token + "\"");
WooScript._Log.Indent();
if (WooScript.IsFloatVariable(token))
{
_ReturnType = VarType.varFloat;
_Var = token;
}
else if (WooScript.IsVecVariable(token))
{
_ReturnType = VarType.varVector;
_Var = token;
}
else
{
throw new ParseException("Expected \"" + token + "\" to be a float or vector variable");
}
string assignOp = ParseUtils.GetToken(ref program);
_AssignOp = WooScript.GetAssignOp(assignOp);
_Expression = ExpressionBuilder.Parse(ref program);
if (_ReturnType == VarType.varVector &&
(_Expression.GetExpressionType() != VarType.varVector))
{
throw new ParseException("Target token is \"" + token + "\" which is a vector, expression isn't...");
}
if (_ReturnType == VarType.varFloat &&
(_Expression.GetExpressionType() != VarType.varFloat))
{
throw new ParseException("Target token is \"" + token + "\" which is a float, expression isn't...");
}
}
public void Parse(ref string[] program)
{
string token = ParseUtils.GetToken(ref program);
WooScript._Log.AddMsg("Found \"" + token + "\" function (null return)");
WooScript._Log.Indent();
_NullFunction = WooScript.GetNullFunction(token);
string openCurl = ParseUtils.GetToken(ref program);
if (!openCurl.Equals("(", StringComparison.Ordinal))
{
new ParseException("Expected \"(\" not \"" + openCurl + "\"");
}
_NullFunction.Parse(ref program);
string closeCurl = ParseUtils.GetToken(ref program);
if (!closeCurl.Equals(")", StringComparison.Ordinal))
{
new ParseException("Expected \")\" not \"" + closeCurl + "\"");
}
WooScript._Log.UnIndent();
}
public void Parse(ref string[] program)
{
string ruleName = ParseUtils.GetToken(ref program);
_RulePrototype = WooScript.GetRulePrototype(ruleName);
WooScript._Log.AddMsg("Call Rule : " + ruleName);
string openbracket = ParseUtils.PeekToken(program);
if (openbracket.Equals("(", StringComparison.Ordinal) || _RulePrototype._Args.Count() > 0)
{
openbracket = ParseUtils.GetToken(ref program);
if (!openbracket.Equals("(", StringComparison.Ordinal))
{
throw new ParseException("rule called without required arguments, or syntax error. Found " + openbracket + ", expeceted \"(\" instead.");
}
for (int i = 0; i < _RulePrototype._Args.Count(); i++)
{
_ArgValue.Add(ExpressionBuilder.Parse(ref program));
if (i + 1 < _RulePrototype._Args.Count())
{
string comma = ParseUtils.GetToken(ref program);
if (!comma.Equals(",", StringComparison.Ordinal))
{
throw new ParseException("Found " + comma + " but expected another argument after a \",\"");
}
}
}
string closebracket = ParseUtils.GetToken(ref program);
if (!closebracket.Equals(")", StringComparison.Ordinal))
{
throw new ParseException("rules not currently supported with arguments, missing ), found " + closebracket + " instead.");
}
}
}
public static ConditionalExpression Parse(ref string[] program)
{
ConditionalExpression ret = null;
Expression expr = null;
string token1 = ParseUtils.PeekToken(program);
TokenType type1 = WooScript.GetTokenType(token1);
if (token1.Equals("(", StringComparison.Ordinal))
{
ret = new ConditionalBrackets();
(ret as ConditionalBrackets).Parse(ref program);
}
else if (type1 == TokenType.UnaryBooleanOp)
{
ret = WooScript.GetUnaryBooleanOp(token1);
(ret as UnaryBooleanOp).Parse(ref program);
}
else if (type1 == TokenType.floatVar ||
type1 == TokenType.floatNum ||
type1 == TokenType.floatFunction)
{
expr = ExpressionBuilder.Parse(ref program);
}
else
{
throw new ParseException("Unrecognised expression \"" + token1 + "\"");
}
string token2 = ParseUtils.GetToken(ref program);
TokenType type2 = WooScript.GetTokenType(token2);
if (type2 == TokenType.ConditionalOp)
{
if (type1 != TokenType.floatNum && type1 != TokenType.floatVar && type1 != TokenType.floatFunction)
{
throw new ParseException("Conditional operation only takes floating point parameters");
}
ConditionalOp condOp = WooScript.GetConditionalOp(token2);
condOp._Arg1 = expr;
Expression arg2 = ExpressionBuilder.Parse(ref program);
if (arg2.GetExpressionType() != VarType.varFloat)
{
throw new ParseException("Conditional operation only takes floating point parameters");
}
condOp._Arg2 = arg2;
// no need for precedence check on conditional operator
ret = condOp;
string token3 = ParseUtils.PeekToken(program);
TokenType type3 = WooScript.GetTokenType(token3);
if (type3 == TokenType.BooleanOp)
{
BooleanOp boolOp = WooScript.GetBooleanOp(token3);
boolOp._Arg1 = condOp;
ConditionalExpression condArg2 = ConditionBuilder.Parse(ref program);
boolOp._Arg2 = condArg2;
// operator precedence check
if (condArg2 is BooleanOp)
{
if ((condArg2 as BooleanOp).GetPrecedence() < boolOp.GetPrecedence())
{
// shuffle args
boolOp._Arg2 = (condArg2 as BooleanOp)._Arg1;
(condArg2 as BooleanOp)._Arg1 = boolOp;
boolOp = (condArg2 as BooleanOp);
}
}
ret = boolOp;
}
}
if (ret == null)
{
throw new ParseException("Malformed conditional expression, expected conditional operation");
}
return(ret);
}
private bool CompileSingle(ref WooScript script)
{
string log = "";
string error = "";
bool success = script.Parse(ref log, ref error);
if (!success)
{
MessageBox.Show(error);
return false;
}
return true;
}
public void Parse(ref string[] program)
{
string op = ParseUtils.GetToken(ref program);
_Op = WooScript.GetOp(op);
}
public static Expression Parse(ref string[] program)
{
Expression ret;
string token1 = ParseUtils.PeekToken(program);
TokenType type1 = WooScript.GetTokenType(token1);
if (token1.Equals("(", StringComparison.Ordinal))
{
ret = new Brackets();
ret.Parse(ref program);
}
else if (type1 == TokenType.floatNum)
{
ret = new FloatNumber();
ret.Parse(ref program);
}
else if (type1 == TokenType.floatVar ||
type1 == TokenType.vecVar)
{
ret = new Variable();
ret.Parse(ref program);
}
else if (type1 == TokenType.vecFunction)
{
ret = new VecFunctionExpr();
ret.Parse(ref program);
}
else if (type1 == TokenType.floatFunction)
{
ret = new FloatFunctionExpr();
ret.Parse(ref program);
}
else if (type1 == TokenType.Op)
{
//deal with -8 type numbers
ret = new FloatNumber();
ret.Parse(ref program);
}
else
{
throw new ParseException("Unrecognised expression \"" + token1 + "\"");
}
/* if (type1 == TokenType.floatFunction)
* {
* ret = new FloatFunction();
* ret.Parse(ref program);
* }
*/
string token2 = ParseUtils.PeekToken(program);
TokenType type2 = WooScript.GetTokenType(token2);
if (type2 == TokenType.Op)
{
FloatOperation flop = new FloatOperation();
flop.Parse(ref program);
flop._Argument1 = ret;
Expression arg2 = ExpressionBuilder.Parse(ref program);
flop._Argument2 = arg2;
// operator precedence check
if (arg2 is FloatOperation)
{
if ((arg2 as FloatOperation).GetPrecedence() < flop.GetPrecedence())
{
// shuffle args
flop._Argument2 = (arg2 as FloatOperation)._Argument1;
(arg2 as FloatOperation)._Argument1 = flop;
flop = (arg2 as FloatOperation);
}
}
if (flop._Argument1.GetExpressionType() != flop._Argument2.GetExpressionType())
{
throw new ParseException("Mismatch argument types on operation");
}
ret = flop;
}
return(ret);
}
public void InitialiseScript()
{
_BackgroundScript = new WooScript();
_SceneScript = new WooScript();
_LightingScript = new WooScript();
_BackgroundScript.Load("background", "scratch");
_SceneScript.Load("scene", "scratch");
_LightingScript.Load("lighting", "scratch");
_BackgroundScript._Program = "rule main {\r\npos.y -= 0\r\ndiff = vec(1.0, 1.0, 1.0)\r\nrefl = vec(0.4, 0.4, 0.4)\r\ngloss = 0.97\r\nscale = vec(460, 460, 460)\r\npos.y-=1\r\ncylinder\r\n}";
_SceneScript._Program = "rule main {box}";
_LightingScript._Program = "rule main {directionalLight(vec(1.0, 1.0, 1.0), vec(-0.7, 1.0, -0.6), 0.02, 1) \r\n background(vec(0.8,0.8,0.8))}";
LoadFractal("scratch");
// backgroundDesc.Text = _BackgroundScript._Program;
// sceneDesc.Text = _SceneScript._Program;
// lightingDesc.Text = _LightingScript._Program;
}
public static string GetToken(ref string[] lines)
{
char[] whitespace = new char[] { ' ' };
char[] specialChars = new char[] { ',', '(', ')', '{', '}' };
char[] opChars = new char[] { '/', '*', '<', '>', '|', '&', '-', '+', '=' };
do
{
if (lines[0].Length == 0 || lines[0].IndexOf("//") == 0)
{
lines = lines.Where((val, idx) => idx != 0).ToArray();
if (lines.Length == 0)
{
return("");
}
}
lines[0] = lines[0].TrimStart(whitespace);
}while (lines[0].Length == 0 || lines[0].IndexOf("//") == 0);
string token;
int tokenEnd = lines[0].IndexOfAny(whitespace);
int tokenSpecial = lines[0].IndexOfAny(specialChars);
int tokenOp = lines[0].IndexOfAny(opChars);
if (tokenEnd == -1)
{
tokenEnd = lines[0].Length;
}
if (tokenSpecial == -1)
{
tokenSpecial = lines[0].Length;
}
if (tokenOp == -1)
{
tokenOp = lines[0].Length;
}
int tokenquote = lines[0].IndexOf("\"");
if (tokenquote == 0)
{
tokenEnd = 1 + lines[0].IndexOf("\"", 1);
}
else
{
if (tokenSpecial == 0)
{
tokenEnd = 1;
}
else if (tokenOp == 0)
{
int length = 0;
for (int i = 0; i < WooScript.GetNumOps(); i++)
{
string opName = WooScript.GetOp(i);
if (lines[0].IndexOf(opName) == 0)
{
if (opName.Length > length)
{
length = opName.Length;
}
}
}
if (lines[0].IndexOf("<") == 0 ||
lines[0].IndexOf(">") == 0 ||
lines[0].IndexOf("&") == 0 ||
lines[0].IndexOf("|") == 0)
{
length = 1;
}
if (lines[0].IndexOf("!=") == 0)
{
length = 2;
}
// nah
tokenEnd = length;
}
else
{
if (tokenSpecial < tokenEnd)
{
tokenEnd = tokenSpecial;
}
if (tokenOp < tokenEnd)
{
tokenEnd = tokenOp;
}
}
}
if (tokenEnd == lines[0].Length)
{
token = lines[0];
lines[0] = "";
}
else
{
token = lines[0].Substring(0, tokenEnd);
lines[0] = lines[0].Substring(tokenEnd);
}
if (tokenquote == 0)
{
token = token.Substring(1, token.Length - 2);
}
return(token);
}
