private void MoveMissile(MissileInfo missile, float timelapseSeconds)
{
bool collision;
Move(
missile.X,
missile.Y,
missile.Distance,
missile.Speed,
missile.Heading,
missile.Range,
timelapseSeconds,
out var missileX,
out var missileY,
out var missileDistance,
out collision
);
missile.X = missileX;
missile.Y = missileY;
missile.Distance = missileDistance;
if (collision)
{
missile.Status = MissileStatus.ExplodingDirect;
missile.Speed = 0.0f;
}
}
private void ApplyBotAction(BotInfo bot, GetActionResponse action)
{
var now = _provider.UtcNow;
var secondsSinceUpdate = (float)(now - bot.LastStatusUpdate).TotalSeconds;
bot.LastStatusUpdate = now;
// reduce reload time if any is active
if (bot.ReloadCoolDown > 0)
{
bot.ReloadCoolDown = MathF.Max(0.0f, bot.ReloadCoolDown - secondsSinceUpdate);
}
// check if any actions need to be applied
if (action is null)
{
// bot didn't respond with an action; consider it dead
bot.Status = BotStatus.Dead;
bot.TimeOfDeathGameTurn = GameSession.CurrentGameTurn;
AddMessage($"{bot.Name} (R{bot.Index}) was disqualified by lack of action");
return;
}
// update bot state
bot.InternalState = action.BotState;
// update speed and heading
bot.TargetSpeed = GameMath.MinMax(0.0f, action.Speed ?? bot.TargetSpeed, bot.MaxSpeed);
bot.TargetHeading = GameMath.NormalizeAngle(action.Heading ?? bot.TargetHeading);
// fire missile if requested and possible
if ((action.FireMissileHeading.HasValue || action.FireMissileDistance.HasValue) && (bot.ReloadCoolDown == 0.0f))
{
// update bot state
++bot.TotalMissileFiredCount;
bot.ReloadCoolDown = bot.MissileReloadCooldown;
// add missile
var missile = new MissileInfo {
Id = $"{bot.Id}:M{bot.TotalMissileFiredCount}",
BotId = bot.Id,
Status = MissileStatus.Flying,
X = bot.X,
Y = bot.Y,
Speed = bot.MissileVelocity,
Heading = GameMath.NormalizeAngle(action.FireMissileHeading ?? bot.Heading),
Range = GameMath.MinMax(0.0f, action.FireMissileDistance ?? bot.MissileRange, bot.MissileRange),
DirectHitDamageBonus = bot.MissileDirectHitDamageBonus,
NearHitDamageBonus = bot.MissileNearHitDamageBonus,
FarHitDamageBonus = bot.MissileFarHitDamageBonus
};
GameSession.Missiles.Add(missile);
}
}
private void AssessMissileDamage(MissileInfo missile)
{
FindBotsByDistance(missile.X, missile.Y, (bot, distance) => {
// compute damage dealt by missile
float damage = 0.0f;
string damageType = null;
switch (missile.Status)
{
case MissileStatus.ExplodingDirect:
if (distance <= GameSession.DirectHitRange)
{
damage = bot.DirectHitDamage + missile.DirectHitDamageBonus;
damageType = "direct";
}
break;
case MissileStatus.ExplodingNear:
if (distance <= GameSession.NearHitRange)
{
damage = bot.NearHitDamage + missile.NearHitDamageBonus;
damageType = "near";
}
break;
case MissileStatus.ExplodingFar:
if (distance <= GameSession.FarHitRange)
{
damage = bot.FarHitDamage + missile.FarHitDamageBonus;
damageType = "far";
}
break;
}
// check if any damage was dealt
if (damage == 0.0f)
{
// stop enumerating more bots since they will be further away
return(false);
}
// record damage dealt
var from = GameSession.Bots.FirstOrDefault(fromBot => fromBot.Id == missile.BotId);
if (from != null)
{
from.TotalDamageDealt += damage;
++from.TotalMissileHitCount;
// check if bot was killed
if (Damage(bot, damage))
{
++from.TotalKills;
// check if bot inflicted damage to itself
if (bot.Id == from.Id)
{
AddMessage($"{bot.Name} (R{bot.Index}) killed itself");
}
else
{
AddMessage($"{bot.Name} (R{bot.Index}) was killed by {from.Name} (R{from.Index})");
}
}
else
{
// check if bot inflicted damage to itself
if (bot.Id == from.Id)
{
AddMessage($"{bot.Name} (R{bot.Index}) caused {damage:N0} {damageType} damage to itself");
}
else
{
AddMessage($"{bot.Name} (R{bot.Index}) received {damage:N0} {damageType} damage from {from.Name} (R{from.Index})");
}
}
}
return(true);
});
}
