// Spawns 3 bullets (120 degrees apart)
private static ObjectAction SpawnSatelliteBullet(
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
GuidGenerator guidGenerator)
{
string singleBulletSpriteName = guidGenerator.NextGuid();
spriteNameToImageDictionary.Add(singleBulletSpriteName, DTDanmakuImage.OrbiterEnemyBullet);
long buffer = 100;
BooleanExpression shouldDestroySingleBullet = BooleanExpression.Or(
BooleanExpression.GreaterThan(MathExpression.XMillis(), MathExpression.Constant((1000 + buffer) * 1000)),
BooleanExpression.LessThan(MathExpression.XMillis(), MathExpression.Constant((0 - buffer) * 1000)),
BooleanExpression.GreaterThan(MathExpression.YMillis(), MathExpression.Constant((700 + buffer) * 1000)),
BooleanExpression.LessThan(MathExpression.YMillis(), MathExpression.Constant((0 - buffer) * 1000)));
ObjectAction destroySingleBulletAction = ObjectAction.Condition(
condition: shouldDestroySingleBullet,
action: ObjectAction.Destroy());
DTDanmakuMath.MathExpressionOffset singleBulletOffset = DTDanmakuMath.GetOffset(
millipixels: MathExpression.Multiply(MathExpression.Constant(100), MathExpression.ElapsedMillisecondsPerIteration()),
movementDirectionInMillidegrees: MathExpression.Variable("direction"));
List <ObjectBox> collisionBoxes = new List <ObjectBox>();
collisionBoxes.Add(new ObjectBox(lowerXMillis: -3000, upperXMillis: 3000, lowerYMillis: -5000, upperYMillis: 5000));
collisionBoxes.Add(new ObjectBox(lowerXMillis: -5000, upperXMillis: 5000, lowerYMillis: -3000, upperYMillis: 3000));
EnemyObjectTemplate singleBulletTemplate = EnemyObjectTemplate.EnemyBullet(
action: ObjectAction.Union(
ObjectAction.SetFacingDirection(MathExpression.Variable("direction")),
ObjectAction.SetPosition(
xMillis: MathExpression.Add(MathExpression.XMillis(), singleBulletOffset.DeltaXInMillipixels),
yMillis: MathExpression.Add(MathExpression.YMillis(), singleBulletOffset.DeltaYInMillipixels)),
destroySingleBulletAction),
initialMilliHP: null,
damageBoxes: null,
collisionBoxes: collisionBoxes,
spriteName: singleBulletSpriteName);
string singleBulletTemplateName = guidGenerator.NextGuid();
enemyObjectTemplates.Add(singleBulletTemplateName, singleBulletTemplate);
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables1 = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables1.Add(new ObjectAction.InitialChildNumericVariableInfo(name: "direction", value: MathExpression.Add(MathExpression.Variable("random offset"), MathExpression.Constant(0))));
ObjectAction spawnSingleBulletAction1 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables1,
childInitialBooleanVariables: null);
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables2 = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables2.Add(new ObjectAction.InitialChildNumericVariableInfo(name: "direction", value: MathExpression.Add(MathExpression.Variable("random offset"), MathExpression.Constant(120 * 1000))));
ObjectAction spawnSingleBulletAction2 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables2,
childInitialBooleanVariables: null);
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables3 = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables3.Add(new ObjectAction.InitialChildNumericVariableInfo(name: "direction", value: MathExpression.Add(MathExpression.Variable("random offset"), MathExpression.Constant(240 * 1000))));
ObjectAction spawnSingleBulletAction3 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables3,
childInitialBooleanVariables: null);
EnemyObjectTemplate placeholderTemplate = EnemyObjectTemplate.Placeholder(
action: ObjectAction.Union(
ObjectAction.SetNumericVariable("random offset", MathExpression.RandomInteger(MathExpression.Constant(360 * 1000))),
spawnSingleBulletAction1,
spawnSingleBulletAction2,
spawnSingleBulletAction3,
ObjectAction.Destroy()));
string placeholderTemplateName = guidGenerator.NextGuid();
enemyObjectTemplates.Add(placeholderTemplateName, placeholderTemplate);
return(ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: placeholderTemplateName,
childInitialNumericVariables: null,
childInitialBooleanVariables: null));
}
private static ObjectAction GetMoveAction(
GuidGenerator guidGenerator)
{
string variableName = guidGenerator.NextGuid();
ObjectAction initializeVariable = ObjectAction.SetNumericVariable(
variableName: variableName,
variableValue: MathExpression.Constant(0));
ObjectAction incrementVariable = ObjectAction.SetNumericVariable(
variableName: variableName,
variableValue: MathExpression.Add(MathExpression.Variable(variableName), MathExpression.ElapsedMillisecondsPerIteration()));
ObjectAction initializeAndIncrementVariable = ObjectAction.ConditionalNextAction(
currentAction: initializeVariable,
condition: BooleanExpression.True(),
nextAction: incrementVariable);
ObjectAction teleportToInitialLocation = ObjectAction.SetPosition(
xMillis: MathExpression.Add(50 * 1000, MathExpression.RandomInteger(900 * 1000)),
yMillis: MathExpression.Constant(800 * 1000));
ObjectAction faceTowardsPlayer = ObjectAction.Move(
moveToXMillis: MathExpression.PlayerXMillis(),
moveToYMillis: MathExpression.Min(MathExpression.PlayerYMillis(), 300 * 1000));
ObjectAction setInitialSpeed = ObjectActionGenerator.DoOnce(
ObjectAction.SetSpeed(
speedInMillipixelsPerMillisecond: MathExpression.Constant(60)));
ObjectAction slowDownSpeed1 = ObjectAction.Condition(
condition: BooleanExpression.GreaterThanOrEqualTo(
MathExpression.Variable(variableName),
1 * 1000),
action: ObjectActionGenerator.DoOnce(
ObjectAction.SetSpeed(
speedInMillipixelsPerMillisecond: MathExpression.Constant(40))));
ObjectAction slowDownSpeed2 = ObjectAction.Condition(
condition: BooleanExpression.GreaterThanOrEqualTo(
MathExpression.Variable(variableName),
2 * 1000),
action: ObjectActionGenerator.DoOnce(
ObjectAction.SetSpeed(
speedInMillipixelsPerMillisecond: MathExpression.Constant(20))));
ObjectAction stopMovement = ObjectAction.Condition(
condition: BooleanExpression.GreaterThanOrEqualTo(
MathExpression.Variable(variableName),
3 * 1000),
action: ObjectActionGenerator.DoOnce(
ObjectAction.SetSpeed(
speedInMillipixelsPerMillisecond: MathExpression.Constant(0))));
BooleanExpression ShouldLeave1 = BooleanExpression.GreaterThanOrEqualTo(
MathExpression.Variable(variableName),
10 * 1000);
ObjectAction leave1 = ObjectAction.SetPosition(
xMillis: MathExpression.XMillis(),
yMillis: MathExpression.Add(MathExpression.YMillis(), MathExpression.Multiply(MathExpression.ElapsedMillisecondsPerIteration(), MathExpression.Constant(25))));
ObjectAction leave1ConditionalAction = ObjectAction.Condition(
condition: ShouldLeave1,
action: leave1);
BooleanExpression shouldLeave2 = BooleanExpression.GreaterThanOrEqualTo(
MathExpression.Variable(variableName),
11 * 1000);
ObjectAction leave2 = ObjectAction.SetPosition(
xMillis: MathExpression.XMillis(),
yMillis: MathExpression.Add(MathExpression.YMillis(), MathExpression.Multiply(MathExpression.ElapsedMillisecondsPerIteration(), MathExpression.Constant(50))));
ObjectAction leave2ConditionalAction = ObjectAction.ConditionalNextAction(
currentAction: leave1ConditionalAction,
condition: shouldLeave2,
nextAction: leave2);
ObjectAction shouldDestroy = ObjectAction.Condition(
condition: BooleanExpression.And(shouldLeave2, BooleanExpression.GreaterThanOrEqualTo(MathExpression.YMillis(), 800 * 1000)),
action: ObjectAction.Destroy());
return(ObjectAction.ConditionalNextAction(
currentAction: teleportToInitialLocation,
condition: BooleanExpression.True(),
nextAction: ObjectAction.Union(faceTowardsPlayer, initializeAndIncrementVariable, setInitialSpeed, slowDownSpeed1, slowDownSpeed2, stopMovement, leave2ConditionalAction, shouldDestroy)));
}
private static ObjectAction SpawnBullet(
IMathExpression bulletDirectionInMillidegrees,
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
GuidGenerator guidGenerator)
{
string bulletSpriteName = guidGenerator.NextGuid();
spriteNameToImageDictionary.Add(bulletSpriteName, DTDanmakuImage.BarrageEnemyBullet);
string snapshotBulletDirectionInMillidegreesVariable = guidGenerator.NextGuid();
ObjectAction snapshotDirectionAction = ObjectActionGenerator.DoOnce(ObjectAction.SetNumericVariable(
snapshotBulletDirectionInMillidegreesVariable,
bulletDirectionInMillidegrees));
long buffer = 100;
BooleanExpression shouldDestroy = BooleanExpression.Or(
BooleanExpression.GreaterThan(MathExpression.XMillis(), MathExpression.Constant((1000 + buffer) * 1000)),
BooleanExpression.LessThan(MathExpression.XMillis(), MathExpression.Constant((0 - buffer) * 1000)),
BooleanExpression.GreaterThan(MathExpression.YMillis(), MathExpression.Constant((700 + buffer) * 1000)),
BooleanExpression.LessThan(MathExpression.YMillis(), MathExpression.Constant((0 - buffer) * 1000)));
ObjectAction destroyAction = ObjectAction.Condition(
condition: shouldDestroy,
action: ObjectAction.Destroy());
DTDanmakuMath.MathExpressionOffset offset = DTDanmakuMath.GetOffset(
millipixels: MathExpression.Multiply(MathExpression.Constant(100), MathExpression.ElapsedMillisecondsPerIteration()),
movementDirectionInMillidegrees: MathExpression.Variable(snapshotBulletDirectionInMillidegreesVariable));
List <ObjectBox> collisionBoxes = new List <ObjectBox>();
collisionBoxes.Add(new ObjectBox(lowerXMillis: -3000, upperXMillis: 3000, lowerYMillis: -5000, upperYMillis: 5000));
collisionBoxes.Add(new ObjectBox(lowerXMillis: -5000, upperXMillis: 5000, lowerYMillis: -3000, upperYMillis: 3000));
EnemyObjectTemplate bulletTemplate = EnemyObjectTemplate.EnemyBullet(
action: ObjectAction.Union(
snapshotDirectionAction,
ObjectAction.SetFacingDirection(MathExpression.Variable(snapshotBulletDirectionInMillidegreesVariable)),
ObjectAction.SetPosition(
xMillis: MathExpression.Add(MathExpression.XMillis(), offset.DeltaXInMillipixels),
yMillis: MathExpression.Add(MathExpression.YMillis(), offset.DeltaYInMillipixels)),
destroyAction),
initialMilliHP: null,
damageBoxes: null,
collisionBoxes: collisionBoxes,
spriteName: bulletSpriteName);
string templateName = guidGenerator.NextGuid();
enemyObjectTemplates.Add(templateName, bulletTemplate);
return(ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.Subtract(MathExpression.YMillis(), MathExpression.Constant(25000)),
childObjectTemplateName: templateName,
childInitialNumericVariables: null,
childInitialBooleanVariables: null));
}
private static ObjectAction GetMoveAndSetCanShootVariableAction(
IMathExpression xMillis,
GuidGenerator guidGenerator)
{
string variableName = guidGenerator.NextGuid();
ObjectAction initializeVariable = ObjectAction.SetNumericVariable(
variableName: variableName,
variableValue: MathExpression.Constant(0));
ObjectAction incrementVariable = ObjectAction.SetNumericVariable(
variableName: variableName,
variableValue: MathExpression.Add(MathExpression.Variable(variableName), MathExpression.ElapsedMillisecondsPerIteration()));
ObjectAction initializeAndIncrementVariable = ObjectAction.ConditionalNextAction(
currentAction: initializeVariable,
condition: BooleanExpression.True(),
nextAction: incrementVariable);
ObjectAction teleportToInitialLocation = ObjectAction.SetPosition(
xMillis: xMillis,
yMillis: MathExpression.Constant(800 * 1000));
ObjectAction moveDownSpeed1 = ObjectAction.SetPosition(
xMillis: MathExpression.XMillis(),
yMillis: MathExpression.Subtract(MathExpression.YMillis(), MathExpression.Multiply(MathExpression.Constant(100), MathExpression.ElapsedMillisecondsPerIteration())));
ObjectAction moveDownSpeed2 = ObjectAction.SetPosition(
xMillis: MathExpression.XMillis(),
yMillis: MathExpression.Subtract(MathExpression.YMillis(), MathExpression.Multiply(MathExpression.Constant(70), MathExpression.ElapsedMillisecondsPerIteration())));
ObjectAction moveDownSpeed3 = ObjectAction.SetPosition(
xMillis: MathExpression.XMillis(),
yMillis: MathExpression.Subtract(MathExpression.YMillis(), MathExpression.Multiply(MathExpression.Constant(30), MathExpression.ElapsedMillisecondsPerIteration())));
ObjectAction stopMovement = ObjectAction.Union(
ObjectActionGenerator.Noop(),
ObjectActionGenerator.DoOnce(ObjectAction.SetBooleanVariable("can shoot", BooleanExpression.True())));
ObjectAction moveUpSpeed1 = ObjectAction.Union(
ObjectActionGenerator.DoOnce(ObjectAction.SetBooleanVariable("can shoot", BooleanExpression.False())),
ObjectAction.SetPosition(
xMillis: MathExpression.XMillis(),
yMillis: MathExpression.Add(MathExpression.YMillis(), MathExpression.Multiply(MathExpression.Constant(30), MathExpression.ElapsedMillisecondsPerIteration()))));
ObjectAction moveUpSpeed2 = ObjectAction.SetPosition(
xMillis: MathExpression.XMillis(),
yMillis: MathExpression.Add(MathExpression.YMillis(), MathExpression.Multiply(MathExpression.Constant(70), MathExpression.ElapsedMillisecondsPerIteration())));
ObjectAction moveUpSpeed3 = ObjectAction.SetPosition(
xMillis: MathExpression.XMillis(),
yMillis: MathExpression.Add(MathExpression.YMillis(), MathExpression.Multiply(MathExpression.Constant(100), MathExpression.ElapsedMillisecondsPerIteration())));
ObjectAction destroyAction = ObjectAction.Condition(
condition: BooleanExpression.GreaterThanOrEqualTo(MathExpression.YMillis(), MathExpression.Constant(800 * 1000)),
action: ObjectAction.Destroy());
return(ObjectAction.Union(
ObjectActionGenerator.DoOnce(ObjectAction.SetBooleanVariable("can shoot", BooleanExpression.False())),
initializeAndIncrementVariable,
ObjectActionGenerator.DoOnce(teleportToInitialLocation),
ObjectAction.ConditionalNextAction(
currentAction: moveDownSpeed1,
condition: BooleanExpression.GreaterThanOrEqualTo(MathExpression.Variable(variableName), MathExpression.Constant(3000)),
nextAction: ObjectAction.ConditionalNextAction(
currentAction: moveDownSpeed2,
condition: BooleanExpression.GreaterThanOrEqualTo(MathExpression.Variable(variableName), MathExpression.Constant(4000)),
nextAction: ObjectAction.ConditionalNextAction(
currentAction: moveDownSpeed3,
condition: BooleanExpression.GreaterThanOrEqualTo(MathExpression.Variable(variableName), MathExpression.Constant(5000)),
nextAction: ObjectAction.ConditionalNextAction(
currentAction: stopMovement,
condition: BooleanExpression.GreaterThanOrEqualTo(MathExpression.Variable(variableName), MathExpression.Constant(12000)),
nextAction: ObjectAction.ConditionalNextAction(
currentAction: moveUpSpeed1,
condition: BooleanExpression.GreaterThanOrEqualTo(MathExpression.Variable(variableName), MathExpression.Constant(13000)),
nextAction: ObjectAction.ConditionalNextAction(
currentAction: moveUpSpeed2,
condition: BooleanExpression.GreaterThanOrEqualTo(MathExpression.Variable(variableName), MathExpression.Constant(14000)),
nextAction: ObjectAction.Union(moveUpSpeed3, destroyAction)))))))));
}
public static BooleanExpression Or(BooleanExpression b1, BooleanExpression b2, BooleanExpression b3, BooleanExpression b4)
{
// Note the careful attention to short-circuiting behavior
return(BooleanExpression.Or(BooleanExpression.Or(b1, b2, b3), b4));
}
public static BooleanExpression LessThanOrEqualTo(long leftSide, IMathExpression rightSide)
{
return(BooleanExpression.LessThanOrEqualTo(MathExpression.Constant(leftSide), rightSide));
}
public static BooleanExpression LessThanOrEqualTo(IMathExpression leftSide, long rightSide)
{
return(BooleanExpression.LessThanOrEqualTo(leftSide, MathExpression.Constant(rightSide)));
}
