private static ObjectAction GetBulletMovementAction(
GuidGenerator guidGenerator)
{
long bulletSpeedInPixelsPerSecond = 250;
ObjectAction moveAction = ObjectActionGenerator.MoveTowardsLocation(
currentX: MathExpression.XMillis(),
currentY: MathExpression.YMillis(),
desiredX: MathExpression.PlayerXMillis(),
desiredY: MathExpression.Min(MathExpression.PlayerYMillis(), 300 * 1000),
movementSpeedInPixelsPerSecond: MathExpression.Constant(bulletSpeedInPixelsPerSecond),
shouldSnapshot: true,
guidGenerator: guidGenerator);
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());
return(ObjectAction.Union(moveAction, destroyAction));
}
private static ObjectAction GetShootBulletAction(
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
GuidGenerator guidGenerator)
{
IMathExpression initialShootCooldownInMillis = MathExpression.RandomInteger(2750);
IMathExpression shootCooldownInMillis = MathExpression.Add(1750, MathExpression.RandomInteger(1000));
string cooldownVariableName = guidGenerator.NextGuid();
string childObjectTemplateName = guidGenerator.NextGuid();
string enemyBulletSpriteName = guidGenerator.NextGuid();
IMathExpression facingAngleInMillidegrees = DTDanmakuMath.GetMovementDirectionInMillidegrees(
currentX: MathExpression.XMillis(),
currentY: MathExpression.YMillis(),
desiredX: MathExpression.PlayerXMillis(),
desiredY: MathExpression.Min(MathExpression.PlayerYMillis(), 300 * 1000));
DTDanmakuMath.MathExpressionOffset deltaXAndY = DTDanmakuMath.GetOffset(
millipixels: MathExpression.Constant(40000),
movementDirectionInMillidegrees: facingAngleInMillidegrees);
ObjectAction initialStartCooldownAction = ObjectAction.SetNumericVariable(cooldownVariableName, initialShootCooldownInMillis);
ObjectAction startCooldownAction = ObjectAction.SetNumericVariable(cooldownVariableName, shootCooldownInMillis);
ObjectAction decrementCooldownAction = ObjectAction.SetNumericVariable(cooldownVariableName, MathExpression.Subtract(MathExpression.Variable(cooldownVariableName), MathExpression.ElapsedMillisecondsPerIteration()));
ObjectAction createBulletAction = ObjectAction.SpawnChild(
childXMillis: MathExpression.Add(MathExpression.XMillis(), deltaXAndY.DeltaXInMillipixels),
childYMillis: MathExpression.Add(MathExpression.YMillis(), deltaXAndY.DeltaYInMillipixels),
childObjectTemplateName: childObjectTemplateName,
childInitialNumericVariables: null,
childInitialBooleanVariables: null);
List <ObjectBox> collisionBoxes = new List <ObjectBox>();
collisionBoxes.Add(new ObjectBox(lowerXMillis: -4000, upperXMillis: 4000, lowerYMillis: -4000, upperYMillis: 4000));
enemyObjectTemplates.Add(childObjectTemplateName,
EnemyObjectTemplate.EnemyBullet(
action: ObjectAction.Union(GetBulletMovementAction(guidGenerator: guidGenerator), GetBulletAnimationAction(guidGenerator: guidGenerator)),
initialMilliHP: null,
damageBoxes: null,
collisionBoxes: collisionBoxes,
spriteName: enemyBulletSpriteName));
spriteNameToImageDictionary.Add(enemyBulletSpriteName, DTDanmakuImage.EliteSniperEnemyBullet);
var createBulletWhenCooldownFinishedAction = ObjectAction.Condition(
condition: BooleanExpression.LessThanOrEqualTo(MathExpression.Variable(cooldownVariableName), MathExpression.Constant(0)),
action: ObjectAction.Union(startCooldownAction, createBulletAction));
return(ObjectAction.ConditionalNextAction(
currentAction: initialStartCooldownAction,
condition: BooleanExpression.True(),
nextAction: ObjectAction.Union(decrementCooldownAction, createBulletWhenCooldownFinishedAction)));
}
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 Phase2ShootAction(
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
GuidGenerator guidGenerator)
{
string singleBulletSpriteName = guidGenerator.NextGuid();
spriteNameToImageDictionary.Add(singleBulletSpriteName, DTDanmakuImage.BossPhase2EnemyBullet);
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.Variable("speed"), 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);
IMathExpression direction = DTDanmakuMath.GetMovementDirectionInMillidegrees(
currentX: MathExpression.XMillis(),
currentY: MathExpression.Add(MathExpression.YMillis(), MathExpression.Constant(-60000)),
desiredX: MathExpression.PlayerXMillis(),
desiredY: MathExpression.PlayerYMillis());
direction = MathExpression.Add(
direction,
MathExpression.Add(
MathExpression.Constant(-30 * 1000),
MathExpression.RandomInteger(60 * 1000)));
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables.Add(
new ObjectAction.InitialChildNumericVariableInfo(
name: "direction",
value: direction));
initialNumericVariables.Add(
new ObjectAction.InitialChildNumericVariableInfo(
name: "speed",
value: MathExpression.Add(MathExpression.Constant(300), MathExpression.RandomInteger(200))));
ObjectAction spawnBullet = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.Add(MathExpression.YMillis(), MathExpression.Constant(-60000)),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables,
childInitialBooleanVariables: null);
string shootCooldown = guidGenerator.NextGuid();
ObjectAction initializeShootCooldown = ObjectAction.SetNumericVariable(
variableName: shootCooldown,
variableValue: MathExpression.Constant(50));
ObjectAction decrementShootCooldown = ObjectAction.SetNumericVariable(
variableName: shootCooldown,
variableValue: MathExpression.Subtract(MathExpression.Variable(shootCooldown), MathExpression.ElapsedMillisecondsPerIteration()));
ObjectAction shootWhenCooldownIsZero = ObjectAction.Condition(
condition: BooleanExpression.LessThanOrEqualTo(MathExpression.Variable(shootCooldown), MathExpression.Constant(0)),
action: ObjectAction.Union(initializeShootCooldown, spawnBullet));
return(ObjectAction.Union(
ObjectActionGenerator.DoOnce(ObjectAction.SetNumericVariable(
variableName: shootCooldown,
variableValue: MathExpression.Constant(1000))),
decrementShootCooldown,
shootWhenCooldownIsZero));
}
