/// <summary>
/// Called when the level is reset. Resets the player state and
/// position.
/// </summary>
/// <param name="lev">Current level</param>
public override void Reset(Level lev)
{
// Reset the base world object data
base.Reset(lev);
// Start with the walk cycle
Animation.SetCycle(WalkCycle.StartCell, WalkCycle.EndCell, 0);
curCycle = WalkCycle;
prevState = AnimationState.Stop | AnimationState.Walk;
// Reset player specific information
Active = true;
Collidable = true;
shotStarted = false;
shotTime = 0.0F;
misfireValue = false;
}
/// <summary>
/// Update the player.
/// </summary>
/// <param name="gi">Input instance</param>
/// <param name="lev">Current level</param>
/// <returns>Always false</returns>
public override bool Update(Input gi, Level lev)
{
// Assume there is no misfire this frame
misfireValue = false;
// If a shot is charging then update the time
if (shotStarted)
{
shotTime += GameMain.SecondsPerFrame;
}
// If the player is not dead then update it
if ((State & AnimationState.Dead) == 0)
{
// clear out the current direction but leave the animation
// state
State = prevState & AnimationState.AnimationMask;
// If attacking then update the shot state
if ((State & AnimationState.Attack) != 0)
{
// If the shot is not already fired and the current
// animation cell is the one where the player shoots
// then launch a shot
if (!GetShotInfo()[0].Fired &&
Animation.CurCell == GetShotInfo()[0].ShootCell)
{
// Determine the direction of the shot
WorldDir dir = WorldDir.Left;
if ((DrawOptions & DrawOptions.BlitMirrorLeftRight)
== 0)
{
dir = WorldDir.Right;
}
// Velocity multipliers
float shotVelXMultiplier;
float shotVelYMultiplier;
// Determine the chance of a misfire based on the shot
// bar charge (min to max)
float misfireChance =
shotMisfireMax - CurrentShotBarPercent *
(shotMisfireMax - shotMisfireMin);
if (GameMain.Random() < misfireChance)
{
// A misfire occurred so set the flag and
// update the velocity multipliers accordingly
misfireValue = true;
shotVelXMultiplier = shotMisfireVelocityXMin +
GameMain.Random() *
(shotVelocityXMax - shotVelocityXMin);
shotVelYMultiplier = shotMisfireVelocityYMin +
GameMain.Random() *
(shotVelocityYMax - shotVelocityYMin);
}
else
{
// No misfire, so the velocities are set
// relative to the bar charge percentage
shotVelXMultiplier = shotVelocityXMin +
CurrentShotBarPercent *
(shotVelocityXMax - shotVelocityXMin);
shotVelYMultiplier = shotVelocityYMax -
CurrentShotBarPercent *
(shotVelocityYMax - shotVelocityYMin);
}
// Fire a shot and reset the charge time
shotTime = 0.0F;
FireShot(lev, GetShotInfo()[0], dir,
shotVelXMultiplier, shotVelYMultiplier);
}
else if (Animation.Done)
{
// If the shot animation is done then reset shot info
GetShotInfo()[0].Fired = false;
State = AnimationState.Walk;
curCycle = WalkCycle;
}
}
else if (gi.KeyPressed((int)Keys.Down))
{
// If pressing down then attempt to crawl.
State = AnimationState.Duck;
curCycle = DuckCycle;
}
else if (gi.KeyPressed((int)Keys.Up))
{
// If pressing up then stand up
State = AnimationState.Walk;
curCycle = WalkCycle;
}
else if (!shotStarted && gi.KeyDown(
(int)gi.HardwareKeys[buttonMapValue[
(int)Buttons.FireShot]]))
{
// If the fire button is pressed then start charging
// the bar
shotStarted = true;
shotTime = 0.0F;
}
else if (shotStarted && gi.KeyReleased(
(int)gi.HardwareKeys[buttonMapValue[
(int)Buttons.FireShot]]))
{
// If the fire button is released then start the shot
// animation
curCycle = AttackCycle;
State |= AnimationState.Attack;
Animation.SetCycle(WalkCycle.StartCell,
WalkCycle.EndCell, WalkCycle.AnimationRate);
Animation.StartOneShot(AttackCycle.StartCell,
AttackCycle.EndCell, AttackCycle.AnimationRate);
shotStarted = false;
}
Debug.Assert(curCycle != null,
"Player.Update: Invalid animation sequence");
Debug.Assert((State & AnimationState.AnimationMask) != 0,
"Player.Update: Invalid animation state determined");
// Attempt to walk in the direction the user is pressing
if (gi.KeyDown((int)Keys.Left))
{
WalkLeft(lev);
}
else if (gi.KeyDown((int)Keys.Right))
{
WalkRight(lev);
}
else
{
Stop(lev);
}
Debug.Assert((State & AnimationState.DirectionMask) != 0 &&
(State & AnimationState.AnimationMask) != 0,
"Player.Update: Invalid movement state determined");
}
// Update the animation
Animation.Update(GameMain.SecondsPerFrame);
// Set the previous state
prevState = State;
// The player always returns false
return(false);
}
/// <summary>
/// Initialize a world object with the data specified in the given
/// DataRow.
/// </summary>
/// <param name="dr">DataRow defining the world object</param>
/// <param name="lev">Current level</param>
public WorldObject(DataRow dr, Level lev)
{
Debug.Assert(lev.AnimationList != null && lev.AnimationList.Count > 0,
"WorldObject.WorldObject: No animations loaded");
Debug.Assert(lev.AIList != null && lev.AIList.Count > 0,
"WorldObject.WorldObject: No AI loaded");
for (int i = 0; i < (int)AnimationType.Count; i++)
{
animationCycles[i] = new AnimationCycle();
Debug.Assert(animationCycles[i] != null,
"WorldObject.WorldObject: Failed to allocate " +
"animation cycle");
}
// Walk
WalkCycle.AnimationRate = int.Parse((string)dr["WalkAnimationRate"],
CultureInfo.InvariantCulture);
WalkCycle.StartCell = int.Parse((string)dr["WalkStartCell"],
CultureInfo.InvariantCulture);
WalkCycle.EndCell = int.Parse((string)dr["WalkEndCell"],
CultureInfo.InvariantCulture);
float x = float.Parse((string)dr["WalkBoundsX"],
CultureInfo.InvariantCulture);
float y = float.Parse((string)dr["WalkBoundsY"],
CultureInfo.InvariantCulture);
float r = float.Parse((string)dr["WalkBoundsRadius"],
CultureInfo.InvariantCulture);
WalkCycle.Bounds = new Bounds(x, y, r);
// Attack
AttackCycle.AnimationRate = int.Parse(
(string)dr["AttackAnimationRate"],
CultureInfo.InvariantCulture);
AttackCycle.StartCell = int.Parse((string)dr["AttackStartCell"],
CultureInfo.InvariantCulture);
AttackCycle.EndCell = int.Parse((string)dr["AttackEndCell"],
CultureInfo.InvariantCulture);
x = float.Parse((string)dr["AttackBoundsX"],
CultureInfo.InvariantCulture);
y = float.Parse((string)dr["AttackBoundsY"],
CultureInfo.InvariantCulture);
r = float.Parse((string)dr["AttackBoundsRadius"],
CultureInfo.InvariantCulture);
AttackCycle.Bounds = new Bounds(x, y, r);
// Duck
DuckCycle.AnimationRate = int.Parse(
(string)dr["DuckAnimationRate"],
CultureInfo.InvariantCulture);
DuckCycle.StartCell = int.Parse((string)dr["DuckStartCell"],
CultureInfo.InvariantCulture);
DuckCycle.EndCell = int.Parse((string)dr["DuckEndCell"],
CultureInfo.InvariantCulture);
x = float.Parse((string)dr["DuckBoundsX"],
CultureInfo.InvariantCulture);
y = float.Parse((string)dr["DuckBoundsY"],
CultureInfo.InvariantCulture);
r = float.Parse((string)dr["DuckBoundsRadius"],
CultureInfo.InvariantCulture);
DuckCycle.Bounds = new Bounds(x, y, r);
// Death
DeathCycle.AnimationRate = int.Parse(
(string)dr["DeathAnimationRate"],
CultureInfo.InvariantCulture);
DeathCycle.StartCell = int.Parse((string)dr["DeathStartCell"],
CultureInfo.InvariantCulture);
DeathCycle.EndCell = int.Parse((string)dr["DeathEndCell"],
CultureInfo.InvariantCulture);
// General info
worldXValue = float.Parse((string)dr["X"],
CultureInfo.InvariantCulture);
worldYValue = float.Parse((string)dr["Y"],
CultureInfo.InvariantCulture);
activateDistance = float.Parse((string)dr["ActivateDistance"],
CultureInfo.InvariantCulture);
collidableValue = bool.Parse((string)dr["Collidable"]);
// Animation
int animationId = int.Parse((string)dr["AnimationId"],
CultureInfo.InvariantCulture);
Debug.Assert(animationId >= 0 &&
animationId < lev.AnimationList.Count,
"WorldObject.WorldObject: Animatin ID out of range");
animationValue = new Animation(
(Animation)lev.AnimationList[animationId], 0, 0);
Debug.Assert(animationValue != null && animationValue.Init,
"WorldObject.WorldObject: Failed to initialize animation");
// AI
int aiId = int.Parse((string)dr["AIId"],
CultureInfo.InvariantCulture);
if (aiId >= 0)
{
Debug.Assert(aiId < lev.AIList.Count,
"WorldObject.WorldObject: AI Id out of range");
AILogic = AIHandler.Create((AI)lev.AIList[aiId]);
AILogic.Init(this, lev);
}
// Draw options
if (bool.Parse((string)dr["Transparency"]))
{
DrawOptions = DrawOptions.BlitKeyedTransparency;
}
// Shot, if one exists
int numShots = 0;
if (!dr.IsNull("Shot2AnimationId"))
{
numShots = 2;
}
else if (!dr.IsNull("Shot1AnimationId"))
{
numShots = 1;
}
if (numShots > 0)
{
shotInfoValue = new ShotInfo[numShots];
for (int i = 0; i < shotInfoValue.Length; i++)
{
shotInfoValue[i] = new ShotInfo(dr, i + 1);
ShotInfo shot = shotInfoValue[i];
Debug.Assert(shot != null,
"WorldObject.WorldObject: Failed to allocate " +
"shot info");
}
}
ResetCollidable = collidableValue;
ResetWorldX = worldXValue;
ResetWorldY = worldYValue;
}
/// <summary>
/// Create an instance of the player.
/// </summary>
/// <param name="ds">DataSet defining the player</param>
/// <param name="graphics">Graphics instance</param>
/// <param name="animList">List of level animations</param>
public Player(DataSet ds, IGraphics graphics, ArrayList animationList)
{
// Yes, this world object is the player
Player = true;
// The player is always active and collidable
Active = true;
Collidable = true;
// Allocate space fore all animation cycles
for (int i = 0; i < (int)AnimationType.Count; i++)
{
SetAnimationCycle(i, new AnimationCycle());
Debug.Assert(GetAnimationCycle(i) != null,
"Player.Player: Failed to allocate animation cycle");
}
// Start location
DataTable dt = ds.Tables["StartLocation"];
Debug.Assert(dt != null && dt.Rows != null,
"Player.Player: Invalid start location data");
WorldX = float.Parse((string)(dt.Rows[0]["X"]),
CultureInfo.InvariantCulture);
WorldY = float.Parse((string)(dt.Rows[0]["Y"]),
CultureInfo.InvariantCulture);
// Walk animation
dt = ds.Tables["Walk"];
Debug.Assert(dt != null && dt.Rows != null && dt.Rows[0] != null,
"Player.Player: Walk animation data not valid");
WalkCycle.AnimationRate = int.Parse((string)(
dt.Rows[0]["NormalAnimationRate"]),
CultureInfo.InvariantCulture);
WalkCycle.ForceAnimationRate = int.Parse(
(string)(dt.Rows[0]["ForceAnimationRate"]),
CultureInfo.InvariantCulture);
WalkCycle.MoveRate = float.Parse(
(string)(dt.Rows[0]["MovementRate"]),
CultureInfo.InvariantCulture);
WalkCycle.StartCell = int.Parse(
(string)(dt.Rows[0]["StartCell"]),
CultureInfo.InvariantCulture);
WalkCycle.EndCell = int.Parse((string)(dt.Rows[0]["EndCell"]),
CultureInfo.InvariantCulture);
WalkCycle.Bounds = new Bounds(dt.Rows[0]);
// Attack animation
dt = ds.Tables["Attack"];
Debug.Assert(dt != null && dt.Rows != null &&
dt.Rows[0] != null,
"Player.Player: Attack animation data not valid");
AttackCycle.AnimationRate = int.Parse(
(string)(dt.Rows[0]["NormalAnimationRate"]),
CultureInfo.InvariantCulture);
AttackCycle.ForceAnimationRate = int.Parse(
(string)(dt.Rows[0]["ForceAnimationRate"]),
CultureInfo.InvariantCulture);
AttackCycle.MoveRate = float.Parse(
(string)(dt.Rows[0]["MovementRate"]),
CultureInfo.InvariantCulture);
AttackCycle.StartCell = int.Parse(
(string)(dt.Rows[0]["StartCell"]),
CultureInfo.InvariantCulture);
AttackCycle.EndCell = int.Parse(
(string)(dt.Rows[0]["EndCell"]),
CultureInfo.InvariantCulture);
AttackCycle.Bounds = new Bounds(dt.Rows[0]);
// Crawl animation
dt = ds.Tables["Crawl"];
Debug.Assert(dt != null && dt.Rows != null && dt.Rows[0] != null,
"Player.Player: Attack animation data not valid");
DuckCycle.AnimationRate = int.Parse(
(string)(dt.Rows[0]["NormalAnimationRate"]),
CultureInfo.InvariantCulture);
DuckCycle.ForceAnimationRate = int.Parse(
(string)(dt.Rows[0]["ForceAnimationRate"]),
CultureInfo.InvariantCulture);
DuckCycle.MoveRate = float.Parse(
(string)(dt.Rows[0]["MovementRate"]),
CultureInfo.InvariantCulture);
DuckCycle.StartCell = int.Parse(
(string)(dt.Rows[0]["StartCell"]),
CultureInfo.InvariantCulture);
DuckCycle.EndCell = int.Parse(
(string)(dt.Rows[0]["EndCell"]),
CultureInfo.InvariantCulture);
DuckCycle.Bounds = new Bounds(dt.Rows[0]);
// Death animation
dt = ds.Tables["Death"];
Debug.Assert(dt != null && dt.Rows != null &&
dt.Rows[0] != null,
"Player.Player: Death animation data not valid");
DeathCycle.AnimationRate = int.Parse(
(string)(dt.Rows[0]["AnimationRate"]),
CultureInfo.InvariantCulture);
DeathCycle.StartCell = int.Parse(
(string)(dt.Rows[0]["StartCell"]),
CultureInfo.InvariantCulture);
DeathCycle.EndCell = int.Parse((string)(dt.Rows[0]["EndCell"]),
CultureInfo.InvariantCulture);
// Shot
dt = ds.Tables["Shot"];
Debug.Assert(dt != null && dt.Rows != null && dt.Rows[0] != null,
"Player.Player: Shot info data not valid");
ShotInfo[] tempShotInfo = new ShotInfo[1];
tempShotInfo[0] = new ShotInfo(dt.Rows[0]);
SetShotInfo(tempShotInfo);
Debug.Assert(GetShotInfo() != null,
"Player.Player: Failed to allocate shot info");
// General
dt = ds.Tables["General"];
Debug.Assert(dt != null && dt.Rows != null && dt.Rows[0] != null,
"Player.Player: General info data not valid");
DataRow dr = dt.Rows[0];
shotChargeTime = float.Parse((string)(dr["ShotChargeTime"]),
CultureInfo.InvariantCulture);
shotMisfireMin = float.Parse(
(string)(dr["ShotMisfireMin"]),
CultureInfo.InvariantCulture) / 100.0F;
shotMisfireMax = float.Parse(
(string)(dr["ShotMisfireMax"]),
CultureInfo.InvariantCulture) / 100.0F;
shotVelocityXMin = float.Parse(
(string)(dr["ShotVelocityXMin"]),
CultureInfo.InvariantCulture) / 100.0F;
shotVelocityXMax = float.Parse(
(string)(dr["ShotVelocityXMax"]),
CultureInfo.InvariantCulture) / 100.0F;
shotVelocityYMin = float.Parse(
(string)(dr["ShotVelocityYMin"]),
CultureInfo.InvariantCulture) / 100.0F;
shotVelocityYMax = float.Parse(
(string)(dr["ShotVelocityYMax"]),
CultureInfo.InvariantCulture) / 100.0F;
shotMisfireVelocityXMin = float.Parse(
(string)(dr["ShotMisfireVelocityXMin"]),
CultureInfo.InvariantCulture) / 100.0F;
shotMisfireVelocityXMax = float.Parse(
(string)(dr["ShotMisfireVelocityXMax"]),
CultureInfo.InvariantCulture) / 100.0F;
shotMisfireVelocityYMin = float.Parse(
(string)(dr["ShotMisfireVelocityYMin"]),
CultureInfo.InvariantCulture) / 100.0F;
shotMisfireVelocityYMax = float.Parse(
(string)(dr["ShotMisfireVelocityYMax"]),
CultureInfo.InvariantCulture) / 100.0F;
audioDeathId = int.Parse((string)(dr["DeathAudioId"]),
CultureInfo.InvariantCulture);
// Animation
int animationId = int.Parse((string)(dr["AnimationId"]),
CultureInfo.InvariantCulture);
Debug.Assert(animationId >= 0 && animationId < animationList.Count,
"Player.Player: Animation ID out of range");
Animation = new Animation((Animation)animationList[animationId], 0, 0);
Debug.Assert(Animation != null && Animation.Init,
"Player.Player: Failed to load animationation");
// Start with the walk cycle
Animation.SetCycle(WalkCycle.StartCell, WalkCycle.EndCell, 0);
curCycle = WalkCycle;
// Check if drawing requires transparency
if (bool.Parse((string)(dt.Rows[0]["Transparency"])))
{
DrawOptions = DrawOptions.BlitKeyedTransparency;
}
ResetCollidable = Collidable;
ResetWorldX = WorldX;
ResetWorldY = WorldY;
}
/// <summary>
/// Sets one of the animation cycles available to a world object
/// </summary>
/// <param name="index">The index of the animation cycle</param>
/// <param name="cycle">The animation cycle to store</param>
protected void SetAnimationCycle(int index, AnimationCycle cycle)
{
animationCycles[index] = cycle;
}