private static ObjectAction GetSatelliteShootAction(
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
GuidGenerator guidGenerator)
{
IMathExpression initialShootCooldownInMillis = MathExpression.RandomInteger(6000);
IMathExpression shootCooldownInMillis = MathExpression.Add(5000, MathExpression.RandomInteger(1000));
string cooldownVariableName = guidGenerator.NextGuid();
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 = SpawnSatelliteBullet(
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
guidGenerator: guidGenerator);
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 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));
}
public static ObjectAction SpawnBarrageEnemy(
IMathExpression xMillis,
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
Dictionary <string, DTDanmakuSound> soundNameToSoundDictionary,
GuidGenerator guidGenerator)
{
// Should be called first so it sets the "can shoot" variable that the shootBullet action will need
ObjectAction moveAction = GetMoveAndSetCanShootVariableAction(
xMillis: xMillis,
guidGenerator: guidGenerator);
ObjectAction shootAction = GetShootBulletAction(
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
guidGenerator: guidGenerator);
ObjectAction destroyAction = ObjectActionGenerator.DestroyWhenHpIsZeroAndMaybeDropPowerUp(
chanceToDropPowerUpInMilliPercent: 15 * 1000,
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
soundNameToSoundDictionary: soundNameToSoundDictionary,
guidGenerator: guidGenerator);
string spriteName = guidGenerator.NextGuid();
spriteNameToImageDictionary.Add(spriteName, DTDanmakuImage.BarrageEnemyShip);
List <ObjectBox> damageBoxes = new List <ObjectBox>();
damageBoxes.Add(new ObjectBox(lowerXMillis: -46500, upperXMillis: 46500, lowerYMillis: 0, upperYMillis: 40000));
damageBoxes.Add(new ObjectBox(lowerXMillis: -31500, upperXMillis: 31500, lowerYMillis: -35000, upperYMillis: 30000));
List <ObjectBox> collisionBoxes = new List <ObjectBox>();
collisionBoxes.Add(new ObjectBox(lowerXMillis: -10000, upperXMillis: 10000, lowerYMillis: -25000, upperYMillis: 25000));
collisionBoxes.Add(new ObjectBox(lowerXMillis: -25000, upperXMillis: 25000, lowerYMillis: -10000, upperYMillis: 10000));
EnemyObjectTemplate enemyObjectTemplate = EnemyObjectTemplate.Enemy(
action: ObjectAction.Union(moveAction, shootAction, destroyAction),
initialMilliHP: MathExpression.Add(MathExpression.Constant(38000), MathExpression.RandomInteger(MathExpression.Constant(10000))),
damageBoxes: damageBoxes,
collisionBoxes: collisionBoxes,
spriteName: spriteName);
string templateName = guidGenerator.NextGuid();
enemyObjectTemplates.Add(templateName, enemyObjectTemplate);
return(ObjectAction.SpawnChild(
childXMillis: MathExpression.Constant(-1000 * 1000),
childYMillis: MathExpression.Constant(-1000 * 1000),
childObjectTemplateName: templateName,
childInitialNumericVariables: null,
childInitialBooleanVariables: null));
}
public static ObjectAction DestroyWhenHpIsZeroAndMaybeDropPowerUp(
long chanceToDropPowerUpInMilliPercent, // ranges from 0 (meaning 0%) to 100,000 (meaning 100%)
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
Dictionary <string, DTDanmakuSound> soundNameToSoundDictionary,
GuidGenerator guidGenerator)
{
string soundEffectName = guidGenerator.NextGuid();
BooleanExpression isHpZero = BooleanExpression.LessThanOrEqualTo(
MathExpression.MilliHP(),
MathExpression.Constant(0));
ObjectAction playEnemyDeathSoundEffectAction = ObjectAction.PlaySoundEffect(soundEffectName: soundEffectName);
soundNameToSoundDictionary.Add(soundEffectName, DTDanmakuSound.EnemyDeath);
DestructionAnimationGenerator.GenerateDestructionAnimationResult generateDestructionAnimationResult = DestructionAnimationGenerator.GenerateDestructionAnimation(
orderedSprites: new List <DTDanmakuImage>
{
DTDanmakuImage.Explosion1,
DTDanmakuImage.Explosion2,
DTDanmakuImage.Explosion3,
DTDanmakuImage.Explosion4,
DTDanmakuImage.Explosion5,
DTDanmakuImage.Explosion6,
DTDanmakuImage.Explosion7,
DTDanmakuImage.Explosion8,
DTDanmakuImage.Explosion9
},
millisecondsPerSprite: 20,
guidGenerator: guidGenerator);
foreach (var entry in generateDestructionAnimationResult.spriteNameToImageDictionary)
{
spriteNameToImageDictionary.Add(entry.Key, entry.Value);
}
foreach (var entry in generateDestructionAnimationResult.enemyObjectTemplates)
{
enemyObjectTemplates.Add(entry.Key, entry.Value);
}
ObjectAction possiblySpawnPowerUpAction = ObjectAction.Condition(
condition: BooleanExpression.LessThan(
MathExpression.RandomInteger(MathExpression.Constant(100 * 1000)),
MathExpression.Constant(chanceToDropPowerUpInMilliPercent)),
action: ObjectAction.SpawnPowerUp());
return(ObjectAction.Condition(
condition: isHpZero,
action: ObjectAction.Union(
playEnemyDeathSoundEffectAction,
generateDestructionAnimationResult.objectAction,
possiblySpawnPowerUpAction,
ObjectAction.Destroy())));
}
public static MathExpressionOffset GetOffset(
IMathExpression millipixels,
IMathExpression movementDirectionInMillidegrees)
{
return(new MathExpressionOffset
{
DeltaXInMillipixels = MathExpression.Divide(MathExpression.Multiply(millipixels, MathExpression.SineScaled(movementDirectionInMillidegrees)), MathExpression.Constant(1000L)),
DeltaYInMillipixels = MathExpression.Divide(MathExpression.Multiply(millipixels, MathExpression.CosineScaled(movementDirectionInMillidegrees)), MathExpression.Constant(1000L))
});
}
private static ObjectAction GetSatelliteMoveAndDestroyAction(
long initialAngleInMillidegrees,
GuidGenerator guidGenerator)
{
string angleVariableName = guidGenerator.NextGuid();
ObjectAction initializeAngleVariableAction = ObjectActionGenerator.DoOnce(
ObjectAction.SetNumericVariable(angleVariableName, MathExpression.Constant(initialAngleInMillidegrees)));
ObjectAction updateAngleVariableAction = ObjectAction.Union(
ObjectAction.SetNumericVariable(
angleVariableName,
MathExpression.Add(MathExpression.Variable(angleVariableName), MathExpression.Multiply(MathExpression.Constant(50), MathExpression.ElapsedMillisecondsPerIteration()))),
ObjectAction.Condition(
condition: BooleanExpression.GreaterThan(MathExpression.Variable(angleVariableName), MathExpression.Constant(360 * 1000)),
action: ObjectAction.SetNumericVariable(angleVariableName, MathExpression.Subtract(MathExpression.Variable(angleVariableName), MathExpression.Constant(360 * 1000)))),
ObjectAction.Condition(
condition: BooleanExpression.GreaterThan(MathExpression.Variable(angleVariableName), MathExpression.Constant(360 * 1000)),
action: ObjectAction.SetNumericVariable(angleVariableName, MathExpression.Constant(0))));
long radius = 110;
ObjectAction setPositionAction = ObjectAction.SetPosition(
xMillis: MathExpression.Add(MathExpression.ParentXMillis(), MathExpression.Multiply(MathExpression.Constant(radius), MathExpression.CosineScaled(MathExpression.Multiply(MathExpression.Variable(angleVariableName), MathExpression.Constant(-1))))),
yMillis: MathExpression.Add(MathExpression.ParentYMillis(), MathExpression.Multiply(MathExpression.Constant(radius), MathExpression.SineScaled(MathExpression.Multiply(MathExpression.Variable(angleVariableName), MathExpression.Constant(-1))))));
string facingAngleVariableName = guidGenerator.NextGuid();
ObjectAction initializeFacingAngleVariableAction = ObjectActionGenerator.DoOnce(
ObjectAction.SetNumericVariable(facingAngleVariableName, MathExpression.RandomInteger(360 * 1000)));
ObjectAction updateFacingAngleVariableAction = ObjectAction.Union(
ObjectAction.SetNumericVariable(
facingAngleVariableName,
MathExpression.Add(MathExpression.Variable(facingAngleVariableName), MathExpression.Multiply(MathExpression.Constant(500), MathExpression.ElapsedMillisecondsPerIteration()))),
ObjectAction.Condition(
condition: BooleanExpression.GreaterThan(MathExpression.Variable(facingAngleVariableName), MathExpression.Constant(360 * 1000)),
action: ObjectAction.SetNumericVariable(facingAngleVariableName, MathExpression.Subtract(MathExpression.Variable(facingAngleVariableName), MathExpression.Constant(360 * 1000)))),
ObjectAction.Condition(
condition: BooleanExpression.GreaterThan(MathExpression.Variable(facingAngleVariableName), MathExpression.Constant(360 * 1000)),
action: ObjectAction.SetNumericVariable(facingAngleVariableName, MathExpression.Constant(0))));
ObjectAction setFacingDirectionAction = ObjectAction.SetFacingDirection(MathExpression.Multiply(MathExpression.Variable(facingAngleVariableName), MathExpression.Constant(-1)));
ObjectAction destroyAction = ObjectAction.Condition(
condition: BooleanExpression.IsParentDestroyed(),
action: ObjectAction.Destroy());
return(ObjectAction.Union(
initializeAngleVariableAction,
updateAngleVariableAction,
setPositionAction,
initializeFacingAngleVariableAction,
updateFacingAngleVariableAction,
setFacingDirectionAction,
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)));
}
public static ObjectAction SpawnEliteOrbiterEnemy(
IMathExpression xMillis,
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
Dictionary <string, DTDanmakuSound> soundNameToSoundDictionary,
GuidGenerator guidGenerator)
{
ObjectAction moveAction = GetMoveAction(
xMillis: xMillis);
ObjectAction destroyAction = ObjectActionGenerator.DestroyWhenHpIsZeroAndMaybeDropPowerUp(
chanceToDropPowerUpInMilliPercent: 15 * 1000,
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
soundNameToSoundDictionary: soundNameToSoundDictionary,
guidGenerator: guidGenerator);
string spriteName = guidGenerator.NextGuid();
spriteNameToImageDictionary.Add(spriteName, DTDanmakuImage.EliteOrbiterEnemyShip);
List <ObjectBox> damageBoxes = new List <ObjectBox>();
damageBoxes.Add(new ObjectBox(lowerXMillis: -68000, upperXMillis: 68000, lowerYMillis: -30000, upperYMillis: 50000));
damageBoxes.Add(new ObjectBox(lowerXMillis: -46000, upperXMillis: 46000, lowerYMillis: -48000, upperYMillis: 68000));
damageBoxes.Add(new ObjectBox(lowerXMillis: -26000, upperXMillis: 26000, lowerYMillis: -68000, upperYMillis: 74000));
List <ObjectBox> collisionBoxes = new List <ObjectBox>();
collisionBoxes.Add(new ObjectBox(lowerXMillis: -58000, upperXMillis: 58000, lowerYMillis: -35000, upperYMillis: 50000));
ObjectAction spawnOrbiterSatellitesAction = GetSpawnOrbiterSatellitesAction(
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
guidGenerator: guidGenerator);
EnemyObjectTemplate enemyObjectTemplate = EnemyObjectTemplate.Enemy(
action: ObjectAction.Union(moveAction, spawnOrbiterSatellitesAction, destroyAction),
initialMilliHP: MathExpression.Add(MathExpression.Constant(45000), MathExpression.RandomInteger(MathExpression.Constant(15000))),
damageBoxes: damageBoxes,
collisionBoxes: collisionBoxes,
spriteName: spriteName);
string templateName = guidGenerator.NextGuid();
enemyObjectTemplates.Add(templateName, enemyObjectTemplate);
return(ObjectAction.SpawnChild(
childXMillis: MathExpression.Constant(-1000 * 1000),
childYMillis: MathExpression.Constant(-1000 * 1000),
childObjectTemplateName: templateName,
childInitialNumericVariables: null,
childInitialBooleanVariables: null));
}
public static ObjectAction MoveToSpecifiedLocations(
// enemy will teleport to this initial location
long initialXMillis,
long initialYMillis,
List <Tuple <long, long> > movementPath,
long speedInPixelsPerSecond,
bool shouldStrafe,
bool shouldDestroyAtEndOfMovementPath,
GuidGenerator guidGenerator)
{
ObjectAction currentAction = shouldDestroyAtEndOfMovementPath
? ObjectAction.Destroy()
: ObjectActionGenerator.Noop();
for (int i = movementPath.Count - 1; i >= 0; i--)
{
long endingX = movementPath[i].Item1;
long endingY = movementPath[i].Item2;
long startingX = i == 0
? initialXMillis
: movementPath[i - 1].Item1;
long startingY = i == 0
? initialYMillis
: movementPath[i - 1].Item2;
Tuple <ObjectAction, BooleanExpression> helper = MoveToSpecifiedLocations_Helper(
startingXMillis: startingX,
startingYMillis: startingY,
endingXMillis: endingX,
endingYMillis: endingY,
speedInPixelsPerSecond: speedInPixelsPerSecond,
shouldStrafe: shouldStrafe,
guidGenerator: guidGenerator);
currentAction = ObjectAction.ConditionalNextAction(
currentAction: helper.Item1,
condition: helper.Item2,
nextAction: currentAction);
}
ObjectAction teleportToInitialLocation = ObjectAction.SetPosition(
xMillis: MathExpression.Constant(initialXMillis),
yMillis: MathExpression.Constant(initialYMillis));
return(ObjectAction.ConditionalNextAction(
currentAction: teleportToInitialLocation,
condition: BooleanExpression.True(),
nextAction: currentAction));
}
private static ObjectAction GetPhase2Action(
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
GuidGenerator guidGenerator)
{
string milliHpVariable = guidGenerator.NextGuid();
string amountOfDamageTakenVariableName = guidGenerator.NextGuid();
ObjectAction setInitialDamageTakenAction = ObjectActionGenerator.DoOnce(ObjectAction.SetNumericVariable(amountOfDamageTakenVariableName, MathExpression.Constant(0)));
ObjectAction setInitialMilliHpVariable = ObjectActionGenerator.DoOnce(ObjectAction.SetNumericVariable(milliHpVariable, MathExpression.MilliHP()));
ObjectAction setDamageTakenVariableAction = ObjectAction.SetNumericVariable(
amountOfDamageTakenVariableName,
MathExpression.Add(
MathExpression.Variable(amountOfDamageTakenVariableName),
MathExpression.Subtract(MathExpression.Variable(milliHpVariable), MathExpression.MilliHP())));
ObjectAction setMilliHpVariable = ObjectAction.SetNumericVariable(milliHpVariable, MathExpression.MilliHP());
long phase2InitialMilliHp = 200 * 1000;
IMathExpression currentMilliHp = MathExpression.Max(
MathExpression.Subtract(MathExpression.Constant(phase2InitialMilliHp), MathExpression.Variable(amountOfDamageTakenVariableName)),
MathExpression.Constant(0));
ObjectAction displayHpBarAction = ObjectAction.DisplayBossHealthBar(
healthBarMeterNumber: MathExpression.Constant(2),
healthBarMilliPercentage: MathExpression.Divide(MathExpression.Multiply(currentMilliHp, MathExpression.Constant(100 * 1000)), MathExpression.Constant(phase2InitialMilliHp)));
ObjectAction goToPhase3Action = ObjectAction.Condition(
condition: BooleanExpression.Equal(currentMilliHp, MathExpression.Constant(0)),
action: ObjectActionGenerator.DoOnce(ObjectAction.SetNumericVariable(CurrentPhaseVariableName, MathExpression.Constant(3))));
ObjectAction shootBulletAction = Phase2ShootAction(
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
guidGenerator: guidGenerator);
return(ObjectAction.Union(
setInitialDamageTakenAction,
setInitialMilliHpVariable,
setDamageTakenVariableAction,
setMilliHpVariable,
displayHpBarAction,
GetMoveAction(guidGenerator: guidGenerator),
goToPhase3Action,
shootBulletAction));
}
public static ObjectAction Delay(
ObjectAction action,
long milliseconds,
GuidGenerator guidGenerator)
{
string guid = guidGenerator.NextGuid();
return(ObjectAction.ConditionalNextAction(
currentAction: ObjectAction.SetNumericVariable(guid, MathExpression.Constant(0)),
condition: BooleanExpression.True(),
nextAction: ObjectAction.ConditionalNextAction(
currentAction: ObjectAction.SetNumericVariable(guid, MathExpression.Add(MathExpression.ElapsedMillisecondsPerIteration(), MathExpression.Variable(guid))),
condition: BooleanExpression.GreaterThanOrEqualTo(MathExpression.Variable(guid), MathExpression.Constant(milliseconds)),
nextAction: action)));
}
public static ObjectAction ShootBulletStraightDownAction(
IMathExpression initialShootCooldownInMillis,
IMathExpression shootCooldownInMillis,
// Where the bullet should spawn (relative to the enemy shooting the bullet)
long xOffset,
long yOffset,
long bulletSpeedInPixelsPerSecond,
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
GuidGenerator guidGenerator)
{
string cooldownVariableName = guidGenerator.NextGuid();
string childObjectTemplateName = guidGenerator.NextGuid();
string enemyBulletSpriteName = guidGenerator.NextGuid();
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(), MathExpression.Constant(xOffset)),
childYMillis: MathExpression.Add(MathExpression.YMillis(), MathExpression.Constant(yOffset)),
childObjectTemplateName: childObjectTemplateName,
childInitialNumericVariables: null,
childInitialBooleanVariables: null);
List <ObjectBox> collisionBoxes = new List <ObjectBox>();
collisionBoxes.Add(new ObjectBox(lowerXMillis: -3000, upperXMillis: 3000, lowerYMillis: -23000, upperYMillis: 23000));
enemyObjectTemplates.Add(childObjectTemplateName,
EnemyObjectTemplate.EnemyBullet(
action: BulletStraightDownAction(bulletSpeedInPixelsPerSecond: bulletSpeedInPixelsPerSecond),
initialMilliHP: null,
damageBoxes: null,
collisionBoxes: collisionBoxes,
spriteName: enemyBulletSpriteName));
spriteNameToImageDictionary.Add(enemyBulletSpriteName, DTDanmakuImage.EnemyBullet);
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 GetBulletAnimationAction(
GuidGenerator guidGenerator)
{
string variableName = guidGenerator.NextGuid();
return(ObjectAction.Union(
ObjectActionGenerator.DoOnce(ObjectAction.SetNumericVariable(variableName, MathExpression.RandomInteger(360 * 1000))),
ObjectAction.SetNumericVariable(variableName, MathExpression.Add(MathExpression.Variable(variableName), MathExpression.Multiply(MathExpression.ElapsedMillisecondsPerIteration(), MathExpression.Constant(315)))),
ObjectAction.Condition(
condition: BooleanExpression.GreaterThan(MathExpression.Variable(variableName), MathExpression.Constant(360 * 1000)),
action: ObjectAction.SetNumericVariable(variableName, MathExpression.Subtract(MathExpression.Variable(variableName), MathExpression.Constant(360 * 1000)))),
ObjectAction.Condition(
condition: BooleanExpression.GreaterThan(MathExpression.Variable(variableName), MathExpression.Constant(360 * 1000)),
action: ObjectAction.SetNumericVariable(variableName, MathExpression.Constant(0))),
ObjectAction.SetFacingDirection(MathExpression.Multiply(MathExpression.Variable(variableName), MathExpression.Constant(-1)))));
}
/*
* When (currentX, currentY) == (desiredX, desiredY), the resulting math expression is arbitrary
* but is guaranteed not to error.
*/
public static IMathExpression GetMovementDirectionInMillidegrees(
IMathExpression currentX,
IMathExpression currentY,
IMathExpression desiredX,
IMathExpression desiredY)
{
IMathExpression deltaX = MathExpression.Subtract(desiredX, currentX);
IMathExpression deltaY = MathExpression.Subtract(desiredY, currentY);
IMathExpression angleInMillidegrees = MathExpression.ArcTangentScaled(x: deltaX, y: deltaY, changeUndefinedOutputToZero: true);
IMathExpression angle2 = MathExpression.Add(
MathExpression.Multiply(angleInMillidegrees, MathExpression.Constant(-1)),
MathExpression.Constant(90 * 1000));
return(angle2);
}
private static ObjectAction Phase3ShootAction(
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
GuidGenerator guidGenerator)
{
string angleVariable = guidGenerator.NextGuid();
string shootCooldownVariable = guidGenerator.NextGuid();
ObjectAction initializeAngleVariable = ObjectActionGenerator.DoOnce(
ObjectAction.SetNumericVariable(angleVariable, MathExpression.Constant(0)));
ObjectAction updateAngleVariableAction = ObjectAction.Union(
ObjectAction.SetNumericVariable(
angleVariable,
MathExpression.Add(MathExpression.Variable(angleVariable), MathExpression.Multiply(MathExpression.Constant(431), MathExpression.ElapsedMillisecondsPerIteration()))),
ObjectAction.Condition(
condition: BooleanExpression.GreaterThan(MathExpression.Variable(angleVariable), MathExpression.Constant(360 * 1000)),
action: ObjectAction.SetNumericVariable(angleVariable, MathExpression.Subtract(MathExpression.Variable(angleVariable), MathExpression.Constant(360 * 1000)))),
ObjectAction.Condition(
condition: BooleanExpression.GreaterThan(MathExpression.Variable(angleVariable), MathExpression.Constant(360 * 1000)),
action: ObjectAction.SetNumericVariable(angleVariable, MathExpression.Constant(0))));
ObjectAction createBulletAction1 = SpawnPhase3Bullet(
bulletDirectionInMillidegrees: MathExpression.Multiply(MathExpression.ParentVariable(angleVariable), MathExpression.Constant(1)),
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
guidGenerator: guidGenerator);
ObjectAction createBulletAction2 = SpawnPhase3Bullet(
bulletDirectionInMillidegrees: MathExpression.Multiply(MathExpression.ParentVariable(angleVariable), MathExpression.Constant(-1)),
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
guidGenerator: guidGenerator);
IMathExpression shootCooldownInMillis = MathExpression.Constant(20);
ObjectAction startCooldownAction = ObjectAction.SetNumericVariable(shootCooldownVariable, shootCooldownInMillis);
ObjectAction decrementCooldownAction = ObjectAction.SetNumericVariable(shootCooldownVariable, MathExpression.Subtract(MathExpression.Variable(shootCooldownVariable), MathExpression.ElapsedMillisecondsPerIteration()));
ObjectAction createBulletWhenCooldownFinishedAction = ObjectAction.Condition(
condition: BooleanExpression.LessThanOrEqualTo(MathExpression.Variable(shootCooldownVariable), MathExpression.Constant(0)),
action: ObjectAction.Union(startCooldownAction, createBulletAction1, createBulletAction2));
return(ObjectAction.Union(
initializeAngleVariable,
updateAngleVariableAction,
ObjectActionGenerator.DoOnce(ObjectAction.SetNumericVariable(shootCooldownVariable, MathExpression.Constant(1000))),
decrementCooldownAction,
createBulletWhenCooldownFinishedAction));
}
public static ObjectAction BulletStraightDownAction(
long bulletSpeedInPixelsPerSecond)
{
var enemyBulletMovementAction = ObjectAction.SetPosition(
xMillis: MathExpression.XMillis(),
yMillis: MathExpression.Add(
MathExpression.YMillis(),
MathExpression.Multiply(
MathExpression.Constant(-bulletSpeedInPixelsPerSecond),
MathExpression.ElapsedMillisecondsPerIteration())));
var enemyBulletDestroyAction = ObjectAction.Condition(
condition: BooleanExpression.LessThanOrEqualTo(MathExpression.YMillis(), MathExpression.Constant(-700 * 1000)),
action: ObjectAction.Destroy());
return(ObjectAction.Union(enemyBulletMovementAction, enemyBulletDestroyAction));
}
public static ObjectAction SpawnBossEnemy(
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
Dictionary <string, DTDanmakuSound> soundNameToSoundDictionary,
GuidGenerator guidGenerator)
{
string spriteName = guidGenerator.NextGuid();
spriteNameToImageDictionary.Add(spriteName, DTDanmakuImage.Boss);
List <ObjectBox> damageBoxes = new List <ObjectBox>();
damageBoxes.Add(new ObjectBox(lowerXMillis: -96500, upperXMillis: 96500, lowerYMillis: -10000, upperYMillis: 30000));
damageBoxes.Add(new ObjectBox(lowerXMillis: -71500, upperXMillis: 71500, lowerYMillis: -35000, upperYMillis: 30000));
damageBoxes.Add(new ObjectBox(lowerXMillis: -50000, upperXMillis: 50000, lowerYMillis: -81000, upperYMillis: 48000));
damageBoxes.Add(new ObjectBox(lowerXMillis: -35000, upperXMillis: 35000, lowerYMillis: 0, upperYMillis: 68000));
List <ObjectBox> collisionBoxes = new List <ObjectBox>();
collisionBoxes.Add(new ObjectBox(lowerXMillis: -20000, upperXMillis: 20000, lowerYMillis: -50000, upperYMillis: 50000));
collisionBoxes.Add(new ObjectBox(lowerXMillis: -50000, upperXMillis: 50000, lowerYMillis: -20000, upperYMillis: 20000));
EnemyObjectTemplate enemyObjectTemplate = EnemyObjectTemplate.Enemy(
action: GetBossAction(
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
soundNameToSoundDictionary: soundNameToSoundDictionary,
guidGenerator: guidGenerator),
initialMilliHP: MathExpression.Constant(50L * 1000L * 1000L * 1000L * 1000L),
damageBoxes: damageBoxes,
collisionBoxes: collisionBoxes,
spriteName: spriteName);
string templateName = guidGenerator.NextGuid();
enemyObjectTemplates.Add(templateName, enemyObjectTemplate);
return(ObjectAction.SpawnChild(
childXMillis: MathExpression.Constant(-1000 * 1000),
childYMillis: MathExpression.Constant(-1000 * 1000),
childObjectTemplateName: templateName,
childInitialNumericVariables: null,
childInitialBooleanVariables: null));
}
private static ObjectAction GetMoveAction(IMathExpression xMillis)
{
ObjectAction teleportToInitialLocation = ObjectAction.SetPosition(
xMillis: xMillis,
yMillis: MathExpression.Constant(900 * 1000));
ObjectAction moveDown = ObjectAction.SetPosition(
xMillis: MathExpression.XMillis(),
yMillis: MathExpression.Subtract(MathExpression.YMillis(), MathExpression.Multiply(MathExpression.Constant(35), MathExpression.ElapsedMillisecondsPerIteration())));
ObjectAction destroyAction = ObjectAction.Condition(
condition: BooleanExpression.LessThanOrEqualTo(MathExpression.YMillis(), -200 * 1000),
action: ObjectAction.Destroy());
return(ObjectAction.Union(
ObjectActionGenerator.DoOnce(teleportToInitialLocation),
moveDown,
destroyAction));
}
private static ObjectAction GetSpawnOrbiterSatellitesAction(
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
GuidGenerator guidGenerator)
{
string spriteName = guidGenerator.NextGuid();
spriteNameToImageDictionary.Add(spriteName, DTDanmakuImage.EliteOrbiterSatellite);
List <ObjectAction> objectActions = new List <ObjectAction>();
for (long i = 0; i < 5; i++)
{
EnemyObjectTemplate orbiterSatelliteTemplate = EnemyObjectTemplate.EnemyBullet(
action: ObjectAction.Union(
GetSatelliteMoveAndDestroyAction(
initialAngleInMillidegrees: 72L * 1000L * i,
guidGenerator: guidGenerator),
GetSatelliteShootAction(
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
guidGenerator: guidGenerator)),
initialMilliHP: null,
damageBoxes: null,
collisionBoxes: null,
spriteName: spriteName);
string templateName = guidGenerator.NextGuid();
enemyObjectTemplates.Add(templateName, orbiterSatelliteTemplate);
ObjectAction spawnSatelliteAction = ObjectAction.SpawnChild(
childXMillis: MathExpression.Constant(-1000 * 1000),
childYMillis: MathExpression.Constant(-1000 * 1000),
childObjectTemplateName: templateName,
childInitialNumericVariables: null,
childInitialBooleanVariables: null);
objectActions.Add(spawnSatelliteAction);
}
return(ObjectActionGenerator.DoOnce(ObjectAction.Union(objectActions)));
}
private static Tuple <ObjectAction, EnemyObjectTemplate> SpawnOneDestructionSpriteImage(
long startMilliseconds,
long endMilliseconds,
string childObjectTemplateName,
string spriteName,
bool isLast)
{
List <ObjectAction> destroyActions = new List <ObjectAction>();
destroyActions.Add(ObjectAction.Destroy());
destroyActions.Add(ObjectAction.DestroyParent());
ObjectAction destroySelfAction = ObjectAction.Condition(
condition: BooleanExpression.GreaterThanOrEqualTo(
leftSide: MathExpression.ParentVariable(elapsedTimeInMillisVariableName),
rightSide: MathExpression.Constant(endMilliseconds)),
action: isLast ? ObjectAction.Union(destroyActions) : ObjectAction.Destroy());
ObjectAction spawnChildAction = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: childObjectTemplateName,
childInitialNumericVariables: null,
childInitialBooleanVariables: null);
ObjectAction delayedSpawnChildAction =
ObjectAction.Condition(
condition: BooleanExpression.GreaterThanOrEqualTo(
leftSide: MathExpression.Variable(elapsedTimeInMillisVariableName),
rightSide: MathExpression.Constant(startMilliseconds)),
action: ObjectActionGenerator.DoOnce(spawnChildAction));
EnemyObjectTemplate template = EnemyObjectTemplate.Enemy(
action: destroySelfAction,
initialMilliHP: null,
damageBoxes: null,
collisionBoxes: null,
spriteName: spriteName);
return(new Tuple <ObjectAction, EnemyObjectTemplate>(delayedSpawnChildAction, template));
}
private static ObjectAction GetBossAction(
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
Dictionary <string, DTDanmakuSound> soundNameToSoundDictionary,
GuidGenerator guidGenerator)
{
ObjectAction setPhaseVariableAction = ObjectActionGenerator.DoOnce(ObjectAction.SetNumericVariable(CurrentPhaseVariableName, MathExpression.Constant(0)));
ObjectAction phase0Action = ObjectAction.Condition(
condition: BooleanExpression.Equal(MathExpression.Variable(CurrentPhaseVariableName), MathExpression.Constant(0)),
action: GetMoveAction_Phase0());
ObjectAction phase1Action = ObjectAction.Condition(
condition: BooleanExpression.Equal(MathExpression.Variable(CurrentPhaseVariableName), MathExpression.Constant(1)),
action: GetPhase1Action(
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
guidGenerator: guidGenerator));
ObjectAction phase2Action = ObjectAction.Condition(
condition: BooleanExpression.Equal(MathExpression.Variable(CurrentPhaseVariableName), MathExpression.Constant(2)),
action: GetPhase2Action(
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
guidGenerator: guidGenerator));
ObjectAction phase3Action = ObjectAction.Condition(
condition: BooleanExpression.Equal(MathExpression.Variable(CurrentPhaseVariableName), MathExpression.Constant(3)),
action: GetPhase3Action(
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
soundNameToSoundDictionary: soundNameToSoundDictionary,
guidGenerator: guidGenerator));
return(ObjectAction.Union(
setPhaseVariableAction,
phase0Action,
phase1Action,
phase2Action,
phase3Action));
}
private static ObjectAction SpawnBasicEnemy(
long initialXMillis,
long initialYMillis,
List <Tuple <long, long> > movementPath,
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
Dictionary <string, DTDanmakuSound> soundNameToSoundDictionary,
GuidGenerator guidGenerator)
{
List <ObjectBox> damageBoxes = new List <ObjectBox>();
damageBoxes.Add(new ObjectBox(lowerXMillis: -46500, upperXMillis: 46500, lowerYMillis: 0, upperYMillis: 40000));
damageBoxes.Add(new ObjectBox(lowerXMillis: -31500, upperXMillis: 31500, lowerYMillis: -25000, upperYMillis: 40000));
damageBoxes.Add(new ObjectBox(lowerXMillis: -21500, upperXMillis: 21500, lowerYMillis: -35000, upperYMillis: 40000));
List <ObjectBox> collisionBoxes = new List <ObjectBox>();
collisionBoxes.Add(new ObjectBox(lowerXMillis: -10000, upperXMillis: 10000, lowerYMillis: -25000, upperYMillis: 25000));
collisionBoxes.Add(new ObjectBox(lowerXMillis: -25000, upperXMillis: 25000, lowerYMillis: -10000, upperYMillis: 10000));
return(ObjectActionGenerator.SpawnEnemyThatMovesToSpecificLocation(
initialXMillis: initialXMillis,
initialYMillis: initialYMillis,
movementPath: movementPath,
movementSpeedInPixelsPerSecond: 100,
shouldStrafe: true,
bulletXOffset: 0,
bulletYOffset: -52000,
initialShootCooldownInMillis: MathExpression.RandomInteger(5000),
shootCooldownInMillis: MathExpression.Add(3000, MathExpression.RandomInteger(2000)),
bulletSpeedInPixelsPerSecond: 250,
initialMilliHP: MathExpression.Add(MathExpression.Constant(6000), MathExpression.RandomInteger(MathExpression.Constant(5000))),
chanceToDropPowerUpInMilliPercent: 15 * 1000,
damageBoxes: damageBoxes,
collisionBoxes: collisionBoxes,
sprite: DTDanmakuImage.BasicEnemyShip,
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
soundNameToSoundDictionary: soundNameToSoundDictionary,
guidGenerator: guidGenerator));
}
private static ObjectAction GetMoveAction_Phase0()
{
ObjectAction teleportToInitialLocation = ObjectActionGenerator.DoOnce(
ObjectAction.SetPosition(
xMillis: MathExpression.Constant(500 * 1000),
yMillis: MathExpression.Constant(850 * 1000)));
ObjectAction moveAction = ObjectAction.Union(
ObjectAction.StrafeMove(moveToXMillis: MathExpression.XMillis(), moveToYMillis: MathExpression.Constant(0)),
ObjectAction.SetSpeed(MathExpression.Constant(20)));
BooleanExpression shouldStopMoving = BooleanExpression.LessThanOrEqualTo(
MathExpression.YMillis(),
MathExpression.Constant(500 * 1000));
ObjectAction stopMovingAction = ObjectAction.SetSpeed(MathExpression.Constant(0));
ObjectAction setPhaseAction = ObjectAction.SetNumericVariable(CurrentPhaseVariableName, MathExpression.Constant(1));
return(ObjectAction.ConditionalNextAction(
currentAction: ObjectAction.Union(teleportToInitialLocation, moveAction),
condition: shouldStopMoving,
nextAction: ObjectActionGenerator.DoOnce(ObjectAction.Union(stopMovingAction, setPhaseAction))));
}
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 GetPhase3Action(
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
Dictionary <string, DTDanmakuSound> soundNameToSoundDictionary,
GuidGenerator guidGenerator)
{
string milliHpVariable = guidGenerator.NextGuid();
string amountOfDamageTakenVariableName = guidGenerator.NextGuid();
ObjectAction setInitialDamageTakenAction = ObjectActionGenerator.DoOnce(ObjectAction.SetNumericVariable(amountOfDamageTakenVariableName, MathExpression.Constant(0)));
ObjectAction setInitialMilliHpVariable = ObjectActionGenerator.DoOnce(ObjectAction.SetNumericVariable(milliHpVariable, MathExpression.MilliHP()));
ObjectAction setDamageTakenVariableAction = ObjectAction.SetNumericVariable(
amountOfDamageTakenVariableName,
MathExpression.Add(
MathExpression.Variable(amountOfDamageTakenVariableName),
MathExpression.Subtract(MathExpression.Variable(milliHpVariable), MathExpression.MilliHP())));
ObjectAction setMilliHpVariable = ObjectAction.SetNumericVariable(milliHpVariable, MathExpression.MilliHP());
long phase3InitialMilliHp = 200 * 1000;
IMathExpression currentMilliHp = MathExpression.Max(
MathExpression.Subtract(MathExpression.Constant(phase3InitialMilliHp), MathExpression.Variable(amountOfDamageTakenVariableName)),
MathExpression.Constant(0));
ObjectAction displayHpBarAction = ObjectAction.DisplayBossHealthBar(
healthBarMeterNumber: MathExpression.Constant(1),
healthBarMilliPercentage: MathExpression.Divide(MathExpression.Multiply(currentMilliHp, MathExpression.Constant(100 * 1000)), MathExpression.Constant(phase3InitialMilliHp)));
string soundEffectName = guidGenerator.NextGuid();
ObjectAction playEnemyDeathSoundEffectAction = ObjectAction.PlaySoundEffect(soundEffectName: soundEffectName);
soundNameToSoundDictionary.Add(soundEffectName, DTDanmakuSound.EnemyDeath);
DestructionAnimationGenerator.GenerateDestructionAnimationResult generateDestructionAnimationResult = DestructionAnimationGenerator.GenerateDestructionAnimation(
orderedSprites: new List <DTDanmakuImage>
{
DTDanmakuImage.Explosion1,
DTDanmakuImage.Explosion2,
DTDanmakuImage.Explosion3,
DTDanmakuImage.Explosion4,
DTDanmakuImage.Explosion5,
DTDanmakuImage.Explosion6,
DTDanmakuImage.Explosion7,
DTDanmakuImage.Explosion8,
DTDanmakuImage.Explosion9
},
millisecondsPerSprite: 20,
guidGenerator: guidGenerator);
foreach (var entry in generateDestructionAnimationResult.spriteNameToImageDictionary)
{
spriteNameToImageDictionary.Add(entry.Key, entry.Value);
}
foreach (var entry in generateDestructionAnimationResult.enemyObjectTemplates)
{
enemyObjectTemplates.Add(entry.Key, entry.Value);
}
ObjectAction destroyBoss = ObjectAction.Union(
playEnemyDeathSoundEffectAction,
generateDestructionAnimationResult.objectAction,
ObjectAction.Destroy());
ObjectAction destroyAndEndLevelAction = ObjectAction.Condition(
condition: BooleanExpression.Equal(currentMilliHp, MathExpression.Constant(0)),
action: ObjectAction.Union(
ObjectAction.EndLevel(),
destroyBoss));
ObjectAction shootBulletAction = Phase3ShootAction(
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
guidGenerator: guidGenerator);
return(ObjectAction.Union(
setInitialDamageTakenAction,
setInitialMilliHpVariable,
setDamageTakenVariableAction,
setMilliHpVariable,
displayHpBarAction,
GetMoveAction(guidGenerator: guidGenerator),
destroyAndEndLevelAction,
shootBulletAction));
}
public static ObjectAction Noop()
{
return(ObjectAction.IncreaseSpeed(
speedInMillipixelsPerMillisecond: MathExpression.Constant(0)));
}
// Spawns 12 bullets (30 degrees apart)
private static ObjectAction SpawnSatelliteBullet(
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
GuidGenerator guidGenerator)
{
string singleBulletSpriteName = guidGenerator.NextGuid();
spriteNameToImageDictionary.Add(singleBulletSpriteName, DTDanmakuImage.EliteOrbiterEnemyBullet);
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(30 * 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(60 * 1000))));
ObjectAction spawnSingleBulletAction3 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables3,
childInitialBooleanVariables: null);
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables4 = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables4.Add(new ObjectAction.InitialChildNumericVariableInfo(name: "direction", value: MathExpression.Add(MathExpression.Variable("random offset"), MathExpression.Constant(90 * 1000))));
ObjectAction spawnSingleBulletAction4 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables4,
childInitialBooleanVariables: null);
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables5 = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables5.Add(new ObjectAction.InitialChildNumericVariableInfo(name: "direction", value: MathExpression.Add(MathExpression.Variable("random offset"), MathExpression.Constant(120 * 1000))));
ObjectAction spawnSingleBulletAction5 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables5,
childInitialBooleanVariables: null);
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables6 = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables6.Add(new ObjectAction.InitialChildNumericVariableInfo(name: "direction", value: MathExpression.Add(MathExpression.Variable("random offset"), MathExpression.Constant(150 * 1000))));
ObjectAction spawnSingleBulletAction6 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables6,
childInitialBooleanVariables: null);
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables7 = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables7.Add(new ObjectAction.InitialChildNumericVariableInfo(name: "direction", value: MathExpression.Add(MathExpression.Variable("random offset"), MathExpression.Constant(180 * 1000))));
ObjectAction spawnSingleBulletAction7 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables7,
childInitialBooleanVariables: null);
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables8 = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables8.Add(new ObjectAction.InitialChildNumericVariableInfo(name: "direction", value: MathExpression.Add(MathExpression.Variable("random offset"), MathExpression.Constant(210 * 1000))));
ObjectAction spawnSingleBulletAction8 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables8,
childInitialBooleanVariables: null);
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables9 = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables9.Add(new ObjectAction.InitialChildNumericVariableInfo(name: "direction", value: MathExpression.Add(MathExpression.Variable("random offset"), MathExpression.Constant(240 * 1000))));
ObjectAction spawnSingleBulletAction9 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables9,
childInitialBooleanVariables: null);
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables10 = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables10.Add(new ObjectAction.InitialChildNumericVariableInfo(name: "direction", value: MathExpression.Add(MathExpression.Variable("random offset"), MathExpression.Constant(270 * 1000))));
ObjectAction spawnSingleBulletAction10 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables10,
childInitialBooleanVariables: null);
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables11 = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables11.Add(new ObjectAction.InitialChildNumericVariableInfo(name: "direction", value: MathExpression.Add(MathExpression.Variable("random offset"), MathExpression.Constant(300 * 1000))));
ObjectAction spawnSingleBulletAction11 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables11,
childInitialBooleanVariables: null);
List <ObjectAction.InitialChildNumericVariableInfo> initialNumericVariables12 = new List <ObjectAction.InitialChildNumericVariableInfo>();
initialNumericVariables12.Add(new ObjectAction.InitialChildNumericVariableInfo(name: "direction", value: MathExpression.Add(MathExpression.Variable("random offset"), MathExpression.Constant(330 * 1000))));
ObjectAction spawnSingleBulletAction12 = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: singleBulletTemplateName,
childInitialNumericVariables: initialNumericVariables12,
childInitialBooleanVariables: null);
List <ObjectAction> actionList = new List <ObjectAction>();
actionList.Add(ObjectAction.SetNumericVariable("random offset", MathExpression.RandomInteger(MathExpression.Constant(360 * 1000))));
actionList.Add(spawnSingleBulletAction1);
actionList.Add(spawnSingleBulletAction2);
actionList.Add(spawnSingleBulletAction3);
actionList.Add(spawnSingleBulletAction4);
actionList.Add(spawnSingleBulletAction5);
actionList.Add(spawnSingleBulletAction6);
actionList.Add(spawnSingleBulletAction7);
actionList.Add(spawnSingleBulletAction8);
actionList.Add(spawnSingleBulletAction9);
actionList.Add(spawnSingleBulletAction10);
actionList.Add(spawnSingleBulletAction11);
actionList.Add(spawnSingleBulletAction12);
actionList.Add(ObjectAction.Destroy());
EnemyObjectTemplate placeholderTemplate = EnemyObjectTemplate.Placeholder(
action: ObjectAction.Union(actionList));
string placeholderTemplateName = guidGenerator.NextGuid();
enemyObjectTemplates.Add(placeholderTemplateName, placeholderTemplate);
return(ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: placeholderTemplateName,
childInitialNumericVariables: null,
childInitialBooleanVariables: null));
}
/*
* If (currentX, currentY) == (desiredX, desiredY), then
* the resulting movement direction is arbitrary.
*/
public static ObjectAction MoveTowardsLocation(
IMathExpression currentX,
IMathExpression currentY,
IMathExpression desiredX,
IMathExpression desiredY,
/*
* Note that movement speed is not affected by shouldSnapshot
*/
IMathExpression movementSpeedInPixelsPerSecond,
/*
* When true, will decide movement direction on the first frame, and keep that direction.
* When false, will continuously move towards (desiredX, desiredY)
*/
bool shouldSnapshot,
GuidGenerator guidGenerator)
{
string deltaXVariable = guidGenerator.NextGuid();
string deltaYVariable = guidGenerator.NextGuid();
ObjectAction setDeltaX = ObjectAction.SetNumericVariable(deltaXVariable, MathExpression.Subtract(desiredX, currentX));
ObjectAction setDeltaY = ObjectAction.SetNumericVariable(deltaYVariable, MathExpression.Subtract(desiredY, currentY));
BooleanExpression areDeltasBothZero = BooleanExpression.And(
BooleanExpression.Equal(MathExpression.Variable(deltaXVariable), MathExpression.Constant(0)),
BooleanExpression.Equal(MathExpression.Variable(deltaYVariable), MathExpression.Constant(0)));
string angleInMillidegreesVariable = guidGenerator.NextGuid();
ObjectAction setAngle = ObjectAction.Union(
shouldSnapshot ? ObjectActionGenerator.DoOnce(setDeltaX) : setDeltaX,
shouldSnapshot ? ObjectActionGenerator.DoOnce(setDeltaY) : setDeltaY,
ObjectAction.Condition(
condition: areDeltasBothZero,
action: ObjectAction.SetNumericVariable(angleInMillidegreesVariable, MathExpression.Constant(0))),
ObjectAction.Condition(
condition: BooleanExpression.Not(areDeltasBothZero),
action: ObjectAction.SetNumericVariable(angleInMillidegreesVariable, MathExpression.ArcTangentScaled(MathExpression.Variable(deltaXVariable), MathExpression.Variable(deltaYVariable), false))),
ObjectAction.SetNumericVariable(angleInMillidegreesVariable, MathExpression.Multiply(MathExpression.Variable(angleInMillidegreesVariable), MathExpression.Constant(-1))),
ObjectAction.SetNumericVariable(angleInMillidegreesVariable, MathExpression.Add(MathExpression.Variable(angleInMillidegreesVariable), 90 * 1000)));
IMathExpression xMillis =
MathExpression.Divide(
MathExpression.Multiply(
movementSpeedInPixelsPerSecond,
MathExpression.ElapsedMillisecondsPerIteration(),
MathExpression.SineScaled(MathExpression.Variable(angleInMillidegreesVariable))),
MathExpression.Constant(1000));
IMathExpression yMillis =
MathExpression.Divide(
MathExpression.Multiply(
movementSpeedInPixelsPerSecond,
MathExpression.ElapsedMillisecondsPerIteration(),
MathExpression.CosineScaled(MathExpression.Variable(angleInMillidegreesVariable))),
MathExpression.Constant(1000));
string xMillisVariable = guidGenerator.NextGuid();
string yMillisVariable = guidGenerator.NextGuid();
ObjectAction setXMillisVariable = shouldSnapshot
? ObjectActionGenerator.DoOnce(ObjectAction.SetNumericVariable(xMillisVariable, xMillis))
: ObjectAction.SetNumericVariable(xMillisVariable, xMillis);
ObjectAction setYMillisVariable = shouldSnapshot
? ObjectActionGenerator.DoOnce(ObjectAction.SetNumericVariable(yMillisVariable, yMillis))
: ObjectAction.SetNumericVariable(yMillisVariable, yMillis);
return(ObjectAction.Union(
setAngle,
setXMillisVariable,
setYMillisVariable,
ObjectAction.SetPosition(
xMillis: MathExpression.Add(MathExpression.XMillis(), MathExpression.Variable(xMillisVariable)),
yMillis: MathExpression.Add(MathExpression.YMillis(), MathExpression.Variable(yMillisVariable)))));
}
public static ObjectAction SpawnEnemyThatMovesToSpecificLocation(
long initialXMillis,
long initialYMillis,
List <Tuple <long, long> > movementPath,
long movementSpeedInPixelsPerSecond,
bool shouldStrafe,
long bulletXOffset,
long bulletYOffset,
IMathExpression initialShootCooldownInMillis,
IMathExpression shootCooldownInMillis,
long bulletSpeedInPixelsPerSecond,
IMathExpression initialMilliHP,
long chanceToDropPowerUpInMilliPercent, // ranges from 0 (meaning 0%) to 100,000 (meaning 100%)
List <ObjectBox> damageBoxes, // nullable
List <ObjectBox> collisionBoxes, // nullable
DTDanmakuImage sprite,
Dictionary <string, DTDanmakuImage> spriteNameToImageDictionary,
Dictionary <string, EnemyObjectTemplate> enemyObjectTemplates,
Dictionary <string, DTDanmakuSound> soundNameToSoundDictionary,
GuidGenerator guidGenerator)
{
ObjectAction moveAction = MoveToSpecifiedLocations(
initialXMillis: initialXMillis,
initialYMillis: initialYMillis,
movementPath: movementPath,
speedInPixelsPerSecond: movementSpeedInPixelsPerSecond,
shouldStrafe: shouldStrafe,
shouldDestroyAtEndOfMovementPath: true,
guidGenerator: guidGenerator);
ObjectAction shootAction = ShootBulletStraightDownAction(
initialShootCooldownInMillis: initialShootCooldownInMillis,
shootCooldownInMillis: shootCooldownInMillis,
xOffset: bulletXOffset,
yOffset: bulletYOffset,
bulletSpeedInPixelsPerSecond: bulletSpeedInPixelsPerSecond,
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
guidGenerator: guidGenerator);
ObjectAction destroyAction = DestroyWhenHpIsZeroAndMaybeDropPowerUp(
chanceToDropPowerUpInMilliPercent: chanceToDropPowerUpInMilliPercent,
spriteNameToImageDictionary: spriteNameToImageDictionary,
enemyObjectTemplates: enemyObjectTemplates,
soundNameToSoundDictionary: soundNameToSoundDictionary,
guidGenerator: guidGenerator);
string spriteName = guidGenerator.NextGuid();
spriteNameToImageDictionary.Add(spriteName, sprite);
EnemyObjectTemplate enemyObjectTemplate = EnemyObjectTemplate.Enemy(
action: ObjectAction.Union(moveAction, shootAction, destroyAction),
initialMilliHP: initialMilliHP,
damageBoxes: damageBoxes,
collisionBoxes: collisionBoxes,
spriteName: spriteName);
string templateName = guidGenerator.NextGuid();
enemyObjectTemplates.Add(templateName, enemyObjectTemplate);
return(ObjectAction.SpawnChild(
childXMillis: MathExpression.Constant(initialXMillis),
childYMillis: MathExpression.Constant(initialYMillis),
childObjectTemplateName: templateName,
childInitialNumericVariables: null,
childInitialBooleanVariables: null));
}
private static Tuple <ObjectAction, BooleanExpression> MoveToSpecifiedLocations_Helper(
long startingXMillis,
long startingYMillis,
long endingXMillis,
long endingYMillis,
long speedInPixelsPerSecond,
bool shouldStrafe,
GuidGenerator guidGenerator)
{
string variableName = guidGenerator.NextGuid();
string variableName2 = guidGenerator.NextGuid();
long?direction = DTDanmakuMath.GetMovementDirectionInMillidegrees(
currentX: startingXMillis,
currentY: startingYMillis,
desiredX: endingXMillis,
desiredY: endingYMillis);
if (direction == null)
{
throw new Exception();
}
DTDanmakuMath.Offset offset = DTDanmakuMath.GetOffset(
speedInMillipixelsPerMillisecond: speedInPixelsPerSecond, // millipixels/millisecond is equivalent to pixels/second
movementDirectionInMillidegrees: direction.Value,
elapsedMillisecondsPerIteration: 1000); // Use the 1000 to help prevent rounding issues
ObjectAction moveAction = ObjectAction.SetPosition(
xMillis: MathExpression.Add(MathExpression.XMillis(), MathExpression.Divide(MathExpression.Multiply(MathExpression.Constant(offset.DeltaXInMillipixels), MathExpression.ElapsedMillisecondsPerIteration()), MathExpression.Constant(1000))),
yMillis: MathExpression.Add(MathExpression.YMillis(), MathExpression.Divide(MathExpression.Multiply(MathExpression.Constant(offset.DeltaYInMillipixels), MathExpression.ElapsedMillisecondsPerIteration()), MathExpression.Constant(1000))));
ObjectAction setDirectionAction = shouldStrafe
? ObjectAction.SetFacingDirection(facingDirectionInMillidegrees: MathExpression.Constant(180 * 1000))
: ObjectAction.SetFacingDirection(facingDirectionInMillidegrees: MathExpression.Constant(direction.Value));
IMathExpression deltaX = MathExpression.AbsoluteValue(MathExpression.Subtract(MathExpression.XMillis(), MathExpression.Constant(endingXMillis)));
IMathExpression deltaY = MathExpression.AbsoluteValue(MathExpression.Subtract(MathExpression.YMillis(), MathExpression.Constant(endingYMillis)));
IMathExpression totalDelta = MathExpression.Add(deltaX, deltaY);
ObjectAction setDeltaToVariable = ObjectAction.Union(
ObjectAction.SetNumericVariable(variableName: variableName2, variableValue: MathExpression.Variable(variableName)),
ObjectAction.SetNumericVariable(variableName: variableName, variableValue: totalDelta));
BooleanExpression reachedDestination = BooleanExpression.And(
BooleanExpression.LessThanOrEqualTo(
MathExpression.Variable(variableName2),
MathExpression.Variable(variableName)),
BooleanExpression.And(
BooleanExpression.GreaterThanOrEqualTo(MathExpression.Variable(variableName), MathExpression.Constant(0)),
BooleanExpression.GreaterThanOrEqualTo(MathExpression.Variable(variableName2), MathExpression.Constant(0))
));
ObjectAction initializeVariables = ObjectAction.Union(
ObjectAction.SetNumericVariable(variableName: variableName, variableValue: MathExpression.Constant(-1)),
ObjectAction.SetNumericVariable(variableName: variableName2, variableValue: MathExpression.Constant(-1)));
return(new Tuple <ObjectAction, BooleanExpression>(
ObjectAction.Union(
moveAction,
setDirectionAction,
ObjectAction.ConditionalNextAction(
currentAction: initializeVariables,
condition: BooleanExpression.True(),
nextAction: setDeltaToVariable)),
reachedDestination));
}