public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
switch (property)
{
case DmlTokens.INTRINSIC_DIRECTION:
((DmlBullet)bullet.Value).Direction = (Vector2)(stack.Pop().Value);
break;
case DmlTokens.INTRINSIC_SPEED:
((DmlBullet)bullet.Value).Speed = (double)(stack.Pop().Value);
break;
case DmlTokens.INTRINSIC_COLOUR:
((DmlBullet)bullet.Value).Colour = (Color)(stack.Pop().Value);
break;
case DmlTokens.INTRINSIC_SPRITE:
string name = (string)(stack.Pop().Value);
((DmlBullet)bullet.Value).SetSprite(name.Substring(1, name.Length - 2));
break;
default:
throw new DmlSyntaxError(String.Format("Unknown intrinsic property \"{0}\"", property));
}
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
switch (property)
{
case DmlTokens.INTRINSIC_ORIGIN:
stack.Push(new DmlObject(DmlType.Vector, ((DmlBullet)bullet.Value).Origin));
break;
case DmlTokens.INTRINSIC_POSITION:
stack.Push(new DmlObject(DmlType.Vector, ((DmlBullet)bullet.Value).Position));
break;
case DmlTokens.INTRINSIC_DIRECTION:
stack.Push(new DmlObject(DmlType.Vector, ((DmlBullet)bullet.Value).Direction));
break;
case DmlTokens.INTRINSIC_SPEED:
stack.Push(new DmlObject(DmlType.Vector, ((DmlBullet)bullet.Value).Speed));
break;
case DmlTokens.INTRINSIC_COLOUR:
stack.Push(new DmlObject(DmlType.Colour, ((DmlBullet)bullet.Value).Colour));
break;
case DmlTokens.INTRINSIC_TIME:
stack.Push(new DmlObject(DmlType.Number, ((DmlBullet)bullet.Value).LocalTime));
break;
case DmlTokens.INTRINSIC_VELOCITY:
DmlBullet b = (DmlBullet)bullet.Value;
stack.Push(new DmlObject(DmlType.Vector, b.Direction * (float)b.Speed));
break;
default:
throw new DmlSyntaxError(String.Format("Unknown bullet property \"{0}\"", property));
}
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
}
public override DmlObject CallDynamic(int argCount, Stack<DmlObject> stack, DmlObject bullet, DmlSystem system)
{
var time = (DmlObject)(stack.Pop());
var period = (DmlObject)(stack.Pop());
var start = (DmlObject)(stack.Pop());
var max = (DmlObject)(stack.Pop());
var min = (DmlObject)(stack.Pop());
if (min.Type != DmlType.Number)
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, min.Type);
if (max.Type != DmlType.Number)
throw DmlSyntaxError.BadArgumentType(Name, 2, DmlType.Number, max.Type);
if (start.Type != DmlType.Number)
throw DmlSyntaxError.BadArgumentType(Name, 3, DmlType.Number, start.Type);
if (period.Type != DmlType.Number)
throw DmlSyntaxError.BadArgumentType(Name, 4, DmlType.Number, period.Type);
if (time.Type != DmlType.Number)
throw DmlSyntaxError.BadArgumentType(Name, 5, DmlType.Number, time.Type);
return new DmlObject(DmlType.Number, _squareWave(
(double)(min.Value),
(double)(max.Value),
(double)(start.Value),
(double)(period.Value),
(double)(time.Value)
));
}
public override DmlObject CallDynamic(int argCount, Stack<DmlObject> stack, DmlObject bullet, DmlSystem system)
{
var list = new List<DmlObject>();
for (int i = 0; i < argCount; i++)
list.Add(stack.Pop());
list.Reverse(); // We have to reverse it since we pop the objects from the stack in reverse order.
return new DmlObject(DmlType.List, list);
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
system.GlobalVars.Add(name, stack.Pop());
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
stack.Push(system.GlobalVars[name]);
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
((DmlBullet)bullet.Value).Dead = true;
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
bullet.BoundVars[name] = stack.Pop();
}
public override DmlObject CallDynamic(int argCount, Stack<DmlObject> stack, DmlObject bullet, DmlSystem system)
{
DmlObject top = stack.Pop();
if (top.Type != DmlType.Vector)
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Vector, top.Type);
Vector2 vec = (Vector2)(top.Value);
return new DmlObject(DmlType.Number, Math.Atan2(vec.Y, vec.X));
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
var paramNames = new string[paramCount];
var values = new DmlObject[paramCount];
DmlObject top;
List<DmlObject> param;
for (int i = 0; i < paramCount; i++)
{
top = stack.Pop();
param = (List<DmlObject>)top.Value;
paramNames[i] = (string)(param[0].Value);
values[i] = param[1];
}
var currentAngle = 0d;
if (hasAngleOffset)
currentAngle = (double)(stack.Pop().Value);
if (hasAngleOffsetD)
currentAngle = Math.PI / 180 * (double)(stack.Pop().Value);
var speed = (double)(stack.Pop().Value);
var streams = (int)(double)(stack.Pop().Value);
var factory = (DmlBulletFactory)(stack.Pop().Value);
var oldBullet = (DmlBullet)(bullet.Value);
var angleIncrement = 2*Math.PI/streams;
DmlObject newBulletObj;
DmlBullet newBullet;
Vector2 direction;
bool local = bullet != null;
for (int i = 0; i < streams; i++)
{
newBulletObj = factory.Instantiate(oldBullet.Origin, system);
newBullet = (DmlBullet)(newBulletObj.Value);
direction = new Vector2((float)Math.Cos(currentAngle), (float)Math.Sin(currentAngle));
newBullet.Direction = direction;
newBullet.Speed = speed;
for (int j = 0; j < paramCount; j++)
newBulletObj.SetVar(paramNames[j], values[j]);
if (local)
oldBullet.Children.Add(newBullet);
system.AddBullet(newBullet);
currentAngle += angleIncrement;
}
}
public override DmlObject CallDynamic(int argCount, Stack<DmlObject> stack, DmlObject bullet, DmlSystem system)
{
DmlObject timeObj = stack.Pop();
if (timeObj.Type != DmlType.Number)
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, timeObj.Type);
double time = (double)(timeObj.Value);
double ltime = ((DmlBullet)bullet.Value).LocalTime;
return new DmlObject(DmlType.Bool, ltime >= time);
}
public override void Update(DmlBullet bullet, DmlSystem system)
{
bullet.RelativePosition += posIncrement * (float)(Globals.deltaTime);
if (bullet.LocalTime >= endTime)
{
Dead = true;
bullet.RelativePosition = endPos;
}
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
if (!(bool)(stack.Pop().Value))
block.currentPosition = position;
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
var local = bullet != null;
DmlBullet parent = null;
Vector2 origin = Vector2.Zero;
if (local)
{
parent = (DmlBullet)(bullet.Value);
origin = parent.Position;
}
if (hasOrigin)
origin = (Vector2)(stack.Pop().Value);
double angleMin = 0, angleMax = 2 * Math.PI, speedMin, speedMax;
if (hasAngleRange)
{
var angleRange = (List<DmlObject>)(stack.Pop().Value);
angleMin = (double)angleRange[0].Value;
angleMax = (double)angleRange[1].Value;
if (degrees)
{
angleMin *= Math.PI / 180;
angleMax *= Math.PI / 180;
}
}
var speedRange = (List<DmlObject>)(stack.Pop().Value);
speedMin = (double)speedRange[0].Value;
speedMax = (double)speedRange[1].Value;
var count = (double)(stack.Pop().Value);
var factory = (DmlBulletFactory)(stack.Pop().Value);
double crntAngle, crntSpeed;
Vector2 direction;
DmlObject newObj;
DmlBullet newBullet;
for (int i = 0; i < count; i++)
{
crntAngle = (angleMax - angleMin) * Globals.randGen.NextDouble() + angleMin;
crntSpeed = (speedMax - speedMin) * Globals.randGen.NextDouble() + speedMin;
direction = new Vector2((float)Math.Cos(crntAngle), (float)Math.Sin(crntAngle));
newObj = factory.Instantiate(origin, system);
newBullet = (DmlBullet)(newObj.Value);
newBullet.Direction = direction;
newBullet.Speed = crntSpeed;
if (local)
parent.Children.Add(newBullet);
system.AddBullet(newBullet);
}
}
public override DmlObject CallTypeSafe(int argCount, Stack<DmlObject> stack, DmlObject bullet, DmlSystem system)
{
var time = (double)(stack.Pop().Value);
var period = (double)(stack.Pop().Value);
var start = (double)(stack.Pop().Value);
var max = (double)(stack.Pop().Value);
var min = (double)(stack.Pop().Value);
return new DmlObject(DmlType.Number, _squareWave(min, max, start, period, time));
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
var b = (DmlBullet)(bullet.Value);
b.Direction = GeometryUtils.RotateVector(b.Direction, (double)(stack.Pop().Value), degrees: degrees);
}
public override void Update(DmlBullet bullet, DmlSystem system)
{
bullet.Speed += speedIncrement * Globals.deltaTime;
if (bullet.LocalTime >= endTime)
{
Dead = true;
bullet.Speed = finalSpeed;
}
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
DmlObject second = stack.Pop();
DmlObject first = stack.Pop();
// Add the two objects together ya dingus!
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
var duration = (double)(stack.Pop().Value);
var endSpeed = (double)(stack.Pop().Value);
var b = (DmlBullet)bullet.Value;
b.Components.Add(new TransitionSpeedComponent(b.Speed, endSpeed, b.LocalTime, duration));
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
double second = (double)(stack.Pop().Value);
double first = (double)(stack.Pop().Value);
if (first <= second)
block.currentPosition = position;
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
var weight = (float)(double)(stack.Pop().Value);
var direction = (Vector2)(stack.Pop().Value);
var b = (DmlBullet)(bullet.Value);
b.Direction += weight * direction / 100f;
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
DmlObject top = stack.Pop();
if (top.Type != DmlType.Function)
throw new DmlSyntaxError("Error: attempt to call uncallable object.");
DmlFunction func = (DmlFunction)(top.Value);
stack.Push(func.CallDynamic(argCount, stack, bullet, system));
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
DmlObject top = stack.Pop();
if (top.Type == DmlType.Number)
stack.Push(new DmlObject(DmlType.Number, Math.Abs((double)top.Value)));
else
throw DmlSyntaxError.BadUnaryOperandType("~", top.Type);
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
DmlObject second = stack.Pop();
DmlObject first = stack.Pop();
if (first.Type != DmlType.Number || second.Type != DmlType.Number)
throw DmlSyntaxError.BadBinaryOperandTypes("<", first.Type, second.Type);
stack.Push(new DmlObject(DmlType.Bool, (double)(first.Value) < (double)(second.Value)));
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
DmlObject second = stack.Pop();
DmlObject first = stack.Pop();
switch (first.Type)
{
case DmlType.Number:
switch (second.Type)
{
case DmlType.Number:
stack.Push(new DmlObject(DmlType.Number, (double)first.Value * (double)second.Value));
break;
case DmlType.Vector:
stack.Push(new DmlObject(DmlType.Vector, (float)(double)first.Value * (Vector2)second.Value));
break;
case DmlType.Colour:
stack.Push(new DmlObject(DmlType.Colour, (Color)second.Value * (float)(double)first.Value));
break;
default:
throw DmlSyntaxError.BadBinaryOperandTypes("*", first.Type, second.Type);
}
break;
case DmlType.Vector:
switch (second.Type)
{
case DmlType.Number:
stack.Push(new DmlObject(DmlType.Vector, (Vector2)first.Value * (float)(double)second.Value));
break;
case DmlType.Vector:
stack.Push(new DmlObject(DmlType.Number, Vector2.Dot((Vector2)first.Value, (Vector2)second.Value)));
break;
default:
throw DmlSyntaxError.BadBinaryOperandTypes("*", first.Type, second.Type);
}
break;
case DmlType.Colour:
switch (second.Type)
{
case DmlType.Number:
stack.Push(new DmlObject(DmlType.Colour, (Color)first.Value * (float)(double)second.Value));
break;
default:
throw DmlSyntaxError.BadBinaryOperandTypes("*", first.Type, second.Type);
}
break;
default:
throw DmlSyntaxError.BadBinaryOperandTypes("*", first.Type, second.Type);
}
}
public void Execute(DmlObject bullet, DmlSystem system)
{
// The command stack.
Stack<DmlObject> stack = new Stack<DmlObject>();
// The variables local to this code block.
Dictionary<string, DmlObject> locals = new Dictionary<string, DmlObject>();
while (currentPosition < Instructions.Length)
Instructions[currentPosition++].Perform(this, stack, locals, bullet, system);
currentPosition = 0;
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
DmlObject second = stack.Pop();
DmlObject first = stack.Pop();
if (first.Type == DmlType.Number && second.Type == DmlType.Number)
stack.Push(new DmlObject(DmlType.Number, (double)first.Value % (double)second.Value));
else
throw DmlSyntaxError.BadBinaryOperandTypes("%", first.Type, second.Type);
}
public DmlObject Evaluate(DmlObject bullet, DmlSystem system)
{
// The command stack.
Stack<DmlObject> stack = new Stack<DmlObject>();
// The variables local to this code block.
Dictionary<string, DmlObject> locals = new Dictionary<string, DmlObject>();
while (currentPosition < Instructions.Length)
Instructions[currentPosition++].Perform(this, stack, locals, bullet, system);
currentPosition = 0;
return stack.Count == 0 ? null : stack.Pop();
}
public void Perform(
CodeBlock block,
Stack<DmlObject> stack,
Dictionary<string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
DmlObject second = stack.Pop();
DmlObject first = stack.Pop();
switch (first.Type)
{
case DmlType.Number:
switch (second.Type)
{
case DmlType.Number:
stack.Push(new DmlObject(DmlType.Number, (double)first.Value - (double)second.Value));
break;
default:
throw DmlSyntaxError.BadBinaryOperandTypes("-", first.Type, second.Type);
}
break;
case DmlType.Vector:
switch (second.Type)
{
case DmlType.Vector:
stack.Push(new DmlObject(DmlType.Vector, (Vector2)first.Value - (Vector2)second.Value));
break;
default:
throw DmlSyntaxError.BadBinaryOperandTypes("-", first.Type, second.Type);
}
break;
case DmlType.Colour:
switch (second.Type)
{
case DmlType.Colour:
Color c1 = (Color)first.Value;
Color c2 = (Color)second.Value;
stack.Push(new DmlObject(DmlType.Colour, new Color(
c1.R - c2.R,
c1.G - c2.G,
c1.B - c2.B,
c1.A - c2.A)
));
break;
default:
throw DmlSyntaxError.BadBinaryOperandTypes("-", first.Type, second.Type);
}
break;
default:
throw DmlSyntaxError.BadBinaryOperandTypes("-", first.Type, second.Type);
}
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
DmlObject endObj = stack.Pop();
DmlObject startObj = stack.Pop();
if (startObj.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, startObj.Type);
}
if (endObj.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 2, DmlType.Number, endObj.Type);
}
double end = (double)(endObj.Value);
double start = (double)(startObj.Value);
double ltime = system.GlobalTime;
return(new DmlObject(DmlType.Bool, start >= ltime && ltime > end));
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
double time = (double)(stack.Pop().Value);
double ltime = ((DmlBullet)bullet.Value).LocalTime;
return(new DmlObject(DmlType.Bool, time <= ltime && ltime < time + Globals.deltaTime));
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
return(new DmlObject(DmlType.Number, func((double)(stack.Pop().Value))));
}
public void Perform(
CodeBlock block,
Stack <DmlObject> stack,
Dictionary <string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
var local = bullet != null;
DmlBullet parent = null;
Vector2 origin = Vector2.Zero;
if (local)
{
parent = (DmlBullet)(bullet.Value);
origin = parent.Position;
}
if (hasOrigin)
{
origin = (Vector2)(stack.Pop().Value);
}
double angleMin = 0, angleMax = 2 * Math.PI, speedMin, speedMax;
if (hasAngleRange)
{
var angleRange = (List <DmlObject>)(stack.Pop().Value);
angleMin = (double)angleRange[0].Value;
angleMax = (double)angleRange[1].Value;
if (degrees)
{
angleMin *= Math.PI / 180;
angleMax *= Math.PI / 180;
}
}
var speedRange = (List <DmlObject>)(stack.Pop().Value);
speedMin = (double)speedRange[0].Value;
speedMax = (double)speedRange[1].Value;
var count = (double)(stack.Pop().Value);
var factory = (DmlBulletFactory)(stack.Pop().Value);
double crntAngle, crntSpeed;
Vector2 direction;
DmlObject newObj;
DmlBullet newBullet;
for (int i = 0; i < count; i++)
{
crntAngle = (angleMax - angleMin) * Globals.randGen.NextDouble() + angleMin;
crntSpeed = (speedMax - speedMin) * Globals.randGen.NextDouble() + speedMin;
direction = new Vector2((float)Math.Cos(crntAngle), (float)Math.Sin(crntAngle));
newObj = factory.Instantiate(origin, system);
newBullet = (DmlBullet)(newObj.Value);
newBullet.Direction = direction;
newBullet.Speed = crntSpeed;
if (local)
{
parent.Children.Add(newBullet);
}
system.AddBullet(newBullet);
}
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
var time = (DmlObject)(stack.Pop());
var period = (DmlObject)(stack.Pop());
var start = (DmlObject)(stack.Pop());
var max = (DmlObject)(stack.Pop());
var min = (DmlObject)(stack.Pop());
if (min.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, min.Type);
}
if (max.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 2, DmlType.Number, max.Type);
}
if (start.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 3, DmlType.Number, start.Type);
}
if (period.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 4, DmlType.Number, period.Type);
}
if (time.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 5, DmlType.Number, time.Type);
}
return(new DmlObject(DmlType.Number, _squareWave(
(double)(min.Value),
(double)(max.Value),
(double)(start.Value),
(double)(period.Value),
(double)(time.Value)
)));
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
DmlObject intervalObj;
double start, end, interval, ltime;
switch (argCount)
{
case 1:
intervalObj = stack.Pop();
if (intervalObj.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, intervalObj.Type);
}
interval = (double)(stack.Pop().Value);
ltime = system.GlobalTime;
return(new DmlObject(DmlType.Bool, (ltime % (2 * interval)) < interval));
case 3:
DmlObject endObj = stack.Pop();
DmlObject startObj = stack.Pop();
intervalObj = stack.Pop();
if (intervalObj.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, intervalObj.Type);
}
if (startObj.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 2, DmlType.Number, startObj.Type);
}
if (endObj.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 3, DmlType.Number, endObj.Type);
}
end = (double)(stack.Pop().Value);
start = (double)(stack.Pop().Value);
interval = (double)(stack.Pop().Value);
ltime = system.GlobalTime;
double t2 = ltime - start;
return(new DmlObject(DmlType.Bool,
(t2 >= 0 && ltime <= end) && (t2 % (2 * interval)) < interval));
default:
return(null); // Should never get here.
}
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
double z = (double)(stack.Pop().Value);
int n = (int)(double)(stack.Pop().Value);
return(new DmlObject(DmlType.Number, SpecialFunctions.YN(n, z)));
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
DmlObject second = stack.Pop();
DmlObject first = stack.Pop();
switch (first.Type)
{
case DmlType.Number:
switch (second.Type)
{
case DmlType.Number:
return(new DmlObject(DmlType.Number, SpecialFunctions.YN((int)(double)first.Value, (double)second.Value)));
default:
// throw new syntax error.
throw DmlSyntaxError.BadArgumentType(Name, 2, DmlType.Number, second.Type);
}
default:
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, first.Type);
}
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
double second = (double)(stack.Pop().Value);
double first = (double)(stack.Pop().Value);
return(new DmlObject(DmlType.Number, 180 / Math.PI * Math.Atan2(first, second)));
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
DmlObject second = stack.Pop();
DmlObject first = stack.Pop();
switch (first.Type)
{
case DmlType.Number:
switch (second.Type)
{
case DmlType.Number:
return(new DmlObject(DmlType.Number, 180 / Math.PI * Math.Atan2((double)first.Value, (double)second.Value)));
default:
throw DmlSyntaxError.BadArgumentType(Name, 2, DmlType.Number, second.Type);
}
default:
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, first.Type);
}
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
double top = (double)(stack.Pop().Value);
int factorial = 1;
for (int i = 2; i < top; i++)
{
factorial *= i;
}
return(new DmlObject(DmlType.Number, factorial));
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
DmlObject top = stack.Pop();
switch (top.Type)
{
case DmlType.Number:
double p = (double)top.Value;
double val = (int)p;
if (val != Math.Floor(p))
{
throw new DmlSyntaxError(
"Invalid syntax; `Factorial` requires that argument one be an integer."
);
}
int factorial = 1;
for (int i = 2; i < val; i++)
{
factorial *= i;
}
top.Value = val;
return(top);
default:
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, top.Type);
}
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
double angle = Math.PI / 180 * (double)(stack.Pop().Value);
Vector2 vec = (Vector2)(stack.Pop().Value);
float x = vec.X;
float y = vec.Y;
float cos = (float)Math.Cos(angle);
float sin = (float)Math.Sin(angle);
var newVec = new Vector2(x * cos - y * sin, x * sin + y * cos);
newVec.Normalize(); // This avoids rounding errors that cause the bullets to eventually speed up.
return(new DmlObject(DmlType.Vector, newVec));
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
DmlObject timeObj = stack.Pop();
if (timeObj.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, timeObj.Type);
}
double time = (double)(timeObj.Value);
double ltime = system.GlobalTime;
return(new DmlObject(DmlType.Bool, ltime >= time));
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
double time = (double)(stack.Pop().Value);
double ltime = system.GlobalTime;
return(new DmlObject(DmlType.Bool, ltime >= time));
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
var option = new DmlObject(DmlType.Option, null);
DmlObject nextArg;
for (int i = 0; i < argCount; i++)
{
nextArg = stack.Pop();
option.BoundVars[Parameters[i]] = nextArg;
}
return(option);
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
var time = (double)(stack.Pop().Value);
var period = (double)(stack.Pop().Value);
var start = (double)(stack.Pop().Value);
var max = (double)(stack.Pop().Value);
var min = (double)(stack.Pop().Value);
return(new DmlObject(DmlType.Number, _squareWave(min, max, start, period, time)));
}
public void Perform(
CodeBlock block,
Stack <DmlObject> stack,
Dictionary <string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
string[] paramNames = new string[paramCount];
DmlObject[] values = new DmlObject[paramCount];
DmlObject top;
List <DmlObject> param;
for (int i = 0; i < paramCount; i++)
{
top = stack.Pop();
param = (List <DmlObject>)top.Value;
paramNames[i] = (string)(param[0].Value);
values[i] = param[1];
}
var speed = 0d;
var direction = new Vector2(0, 1);
Vector2 origin;
if (hasSpeed)
{
speed = (double)(stack.Pop().Value);
}
switch (this.direction)
{
case DirectionType.Direction:
direction = (Vector2)(stack.Pop().Value);
direction.Normalize();
break;
case DirectionType.Angle:
double angle = (double)(stack.Pop().Value);
direction = new Vector2((float)Math.Cos(angle), (float)Math.Sin(angle));
break;
default:
break;
}
if (hasOrigin)
{
origin = (Vector2)(stack.Pop().Value);
}
else
{
origin = ((DmlBullet)bullet.Value).Position;
}
var type = (DmlBulletFactory)(stack.Pop().Value);
DmlObject newObj = type.Instantiate(origin, system);
DmlBullet newBullet = (DmlBullet)newObj.Value;
if (this.direction != DirectionType.None)
{
newBullet.Direction = direction;
}
if (hasSpeed)
{
newBullet.Speed = speed;
}
for (int i = 0; i < paramCount; i++)
{
newObj.SetVar(paramNames[i], values[i]);
}
if (bullet != null)
{
// We have to check if bullet is null because Spawn is one of the few behaviours
// that can be used in a Timeline. When the Timeline's code is executed, `null`
// is sent in for `bullet`.
((DmlBullet)bullet.Value).Children.Add(newBullet);
}
system.AddBullet(newBullet);
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
switch (argCount)
{
case 1:
DmlObject top = stack.Pop();
if (top.Type != DmlType.List)
{
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, top.Type);
}
double low = Double.PositiveInfinity;
try {
double val;
foreach (DmlObject v in (DmlObject[])top.Value)
{
val = (double)v.Value;
if (val <= low)
{
low = val;
}
}
}
catch (InvalidCastException)
{
throw new DmlSyntaxError(
"Invalid syntax; `Min` requires input array to be composed entirely of numbers."
);
}
return(new DmlObject(DmlType.Number, low));
case 2:
DmlObject second = stack.Pop();
DmlObject first = stack.Pop();
if (first.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, first.Type);
}
else if (second.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 2, DmlType.Number, second.Type);
}
return(new DmlObject(
DmlType.Number,
(double)first.Value < (double)second.Value ? first.Value : second.Value
));
default:
throw new DmlSyntaxError(
"Invalid syntax; `Min` requires either 1 or 2 arguments."
);
}
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
DmlObject amtObj = stack.Pop();
DmlObject endObj = stack.Pop();
DmlObject startObj = stack.Pop();
if (startObj.Type != DmlType.Vector)
{
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Vector, startObj.Type);
}
if (endObj.Type != DmlType.Vector)
{
throw DmlSyntaxError.BadArgumentType(Name, 2, DmlType.Vector, endObj.Type);
}
if (amtObj.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 2, DmlType.Number, amtObj.Type);
}
double amt = (double)(amtObj.Value);
Vector2 end = (Vector2)(endObj.Value);
Vector2 start = (Vector2)(startObj.Value);
return(new DmlObject(DmlType.Vector, Vector2.Lerp(start, end, (float)amt)));
}
public void Perform(
CodeBlock block,
Stack <DmlObject> stack,
Dictionary <string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
DmlObject second = stack.Pop();
DmlObject first = stack.Pop();
switch (first.Type)
{
case DmlType.Number:
switch (second.Type)
{
case DmlType.Number:
stack.Push(new DmlObject(DmlType.Number, (double)first.Value * (double)second.Value));
break;
case DmlType.Vector:
stack.Push(new DmlObject(DmlType.Vector, (float)(double)first.Value * (Vector2)second.Value));
break;
case DmlType.Colour:
stack.Push(new DmlObject(DmlType.Colour, (Color)second.Value * (float)(double)first.Value));
break;
default:
throw DmlSyntaxError.BadBinaryOperandTypes("*", first.Type, second.Type);
}
break;
case DmlType.Vector:
switch (second.Type)
{
case DmlType.Number:
stack.Push(new DmlObject(DmlType.Vector, (Vector2)first.Value * (float)(double)second.Value));
break;
case DmlType.Vector:
stack.Push(new DmlObject(DmlType.Number, Vector2.Dot((Vector2)first.Value, (Vector2)second.Value)));
break;
default:
throw DmlSyntaxError.BadBinaryOperandTypes("*", first.Type, second.Type);
}
break;
case DmlType.Colour:
switch (second.Type)
{
case DmlType.Number:
stack.Push(new DmlObject(DmlType.Colour, (Color)first.Value * (float)(double)second.Value));
break;
default:
throw DmlSyntaxError.BadBinaryOperandTypes("*", first.Type, second.Type);
}
break;
default:
throw DmlSyntaxError.BadBinaryOperandTypes("*", first.Type, second.Type);
}
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
double b = (double)(stack.Pop().Value);
double x = (double)(stack.Pop().Value);
return(new DmlObject(DmlType.Number, Math.Log(x, b)));
}
public void Perform(
CodeBlock block,
Stack <DmlObject> stack,
Dictionary <string, DmlObject> locals,
DmlObject bullet, DmlSystem system)
{
var paramNames = new string[paramCount];
var values = new DmlObject[paramCount];
DmlObject top;
List <DmlObject> param;
for (int i = 0; i < paramCount; i++)
{
top = stack.Pop();
param = (List <DmlObject>)top.Value;
paramNames[i] = (string)(param[0].Value);
values[i] = param[1];
}
var currentAngle = 0d;
if (hasAngleOffset)
{
currentAngle = (double)(stack.Pop().Value);
}
if (hasAngleOffsetD)
{
currentAngle = Math.PI / 180 * (double)(stack.Pop().Value);
}
var speed = (double)(stack.Pop().Value);
var streams = (int)(double)(stack.Pop().Value);
var factory = (DmlBulletFactory)(stack.Pop().Value);
var oldBullet = (DmlBullet)(bullet.Value);
var angleIncrement = 2 * Math.PI / streams;
DmlObject newBulletObj;
DmlBullet newBullet;
Vector2 direction;
bool local = bullet != null;
for (int i = 0; i < streams; i++)
{
newBulletObj = factory.Instantiate(oldBullet.Origin, system);
newBullet = (DmlBullet)(newBulletObj.Value);
direction = new Vector2((float)Math.Cos(currentAngle), (float)Math.Sin(currentAngle));
newBullet.Direction = direction;
newBullet.Speed = speed;
for (int j = 0; j < paramCount; j++)
{
newBulletObj.SetVar(paramNames[j], values[j]);
}
if (local)
{
oldBullet.Children.Add(newBullet);
}
system.AddBullet(newBullet);
currentAngle += angleIncrement;
}
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
double end = (double)(stack.Pop().Value);
double start = (double)(stack.Pop().Value);
double ltime = ((DmlBullet)bullet.Value).LocalTime;
return(new DmlObject(DmlType.Bool, start >= ltime && ltime > end));
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
double amt = (double)(stack.Pop().Value);
Vector2 end = (Vector2)(stack.Pop().Value);
Vector2 start = (Vector2)(stack.Pop().Value);
return(new DmlObject(DmlType.Vector, Vector2.Lerp(start, end, (float)amt)));
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
double start, end, interval, ltime;
switch (argCount)
{
case 1:
interval = (double)(stack.Pop().Value);
ltime = ((DmlBullet)bullet.Value).LocalTime;
return(new DmlObject(DmlType.Bool, (ltime % interval) < Globals.deltaTime));
case 3:
end = (double)(stack.Pop().Value);
start = (double)(stack.Pop().Value);
interval = (double)(stack.Pop().Value);
ltime = ((DmlBullet)bullet.Value).LocalTime;
double t2 = ltime - start;
return(new DmlObject(DmlType.Bool,
(t2 >= 0 && ltime <= end) && (t2 % interval) < Globals.deltaTime));
default:
return(null); // Should never get here.
}
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
DmlObject top = stack.Pop();
switch (top.Type)
{
case DmlType.Number:
top.Value = Math.Exp((double)top.Value);
return(top);
default:
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, top.Type);
}
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
DmlObject second = stack.Pop();
DmlObject first = stack.Pop();
switch (first.Type)
{
case DmlType.Number:
switch (second.Type)
{
case DmlType.Number:
var max = (double)(second.Value);
var min = (double)(first.Value);
return(new DmlObject(DmlType.Number, (max - min) * Globals.randGen.NextDouble() + min));
default:
// throw new syntax error.
throw DmlSyntaxError.BadArgumentType(Name, 2, DmlType.Number, second.Type);
}
default:
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, first.Type);
}
}
public override DmlObject CallTypeSafe(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
double top = (double)(stack.Pop().Value);
return(new DmlObject(DmlType.Number, top < 0 ? -1 : 1));
}
public override DmlObject CallDynamic(int argCount, Stack <DmlObject> stack, DmlObject bullet, DmlSystem system)
{
DmlObject second = stack.Pop();
DmlObject first = stack.Pop();
if (first.Type != DmlType.Vector)
{
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Vector, first.Type);
}
if (second.Type != DmlType.Number)
{
throw DmlSyntaxError.BadArgumentType(Name, 1, DmlType.Number, second.Type);
}
double angle = Math.PI / 180 * (double)(second.Value);
Vector2 vec = (Vector2)(first.Value);
float x = vec.X;
float y = vec.Y;
float cos = (float)Math.Cos(angle);
float sin = (float)Math.Sin(angle);
var newVec = new Vector2(x * cos - y * sin, x * sin + y * cos);
newVec.Normalize(); // This avoids rounding errors that cause the bullets to eventually speed up.
return(new DmlObject(DmlType.Vector, newVec));
}
