private bool TryToMoveTo(Vector3 moveVector, GameTime gameTime)
{
// Build a "test vector" that is a little longer than the move vector.
float moveLength = moveVector.Length();
Vector3 testVector = moveVector;
testVector.Normalize();
testVector = testVector * (moveLength + 0.3f);
// Apply this test vector.
Vector3 movePosition = player.position + testVector;
Vector3 midBodyPoint = movePosition + new Vector3(0, -0.7f, 0);
Vector3 lowerBodyPoint = movePosition + new Vector3(0, -1.4f, 0);
if (!BlockInformation.IsSolidBlock(player.world.BlockAt(movePosition).Type) && !BlockInformation.IsSolidBlock(player.world.BlockAt(lowerBodyPoint).Type) && !BlockInformation.IsSolidBlock(player.world.BlockAt(midBodyPoint).Type))
{
player.position = player.position + moveVector;
if (moveVector != Vector3.Zero)
{
player.headBob += 0.2;
}
return(true);
}
// It's solid there, so while we can't move we have officially collided with it.
BlockType lowerBlock = player.world.BlockAt(lowerBodyPoint).Type;
BlockType midBlock = player.world.BlockAt(midBodyPoint).Type;
BlockType upperBlock = player.world.BlockAt(movePosition).Type;
// It's solid there, so see if it's a lava block. If so, touching it will kill us!
//if (upperBlock == BlockType.Lava || lowerBlock == BlockType.Lava || midBlock == BlockType.Lava)
//{
// _P.KillPlayer(Defines.deathByLava);
// return true;
//}
// If it's a ladder, move up.
//if (upperBlock == BlockType.Ladder || lowerBlock == BlockType.Ladder || midBlock == BlockType.Ladder)
//{
// _P.playerVelocity.Y = CLIMBVELOCITY;
// Vector3 footPosition = _P.playerPosition + new Vector3(0f, -1.5f, 0f);
// if (_P.blockEngine.SolidAtPointForPlayer(footPosition))
// _P.playerPosition.Y += 0.1f;
// return true;
//}
return(false);
}
private void UpdatePosition(GameTime gameTime)
{
player.velocity.Y += PLAYERGRAVITY * (float)gameTime.ElapsedGameTime.TotalSeconds;
Vector3 footPosition = player.position + new Vector3(0f, -1.5f, 0f);
Vector3 headPosition = player.position + new Vector3(0f, 0.1f, 0f);
//TODO _isAboveSnowline = headPosition.Y > WorldSettings.SNOWLINE;
if (BlockInformation.IsSolidBlock(player.world.BlockAt(footPosition).Type) || BlockInformation.IsSolidBlock(player.world.BlockAt(headPosition).Type))
{
BlockType standingOnBlock = player.world.BlockAt(footPosition).Type;
BlockType hittingHeadOnBlock = player.world.BlockAt(headPosition).Type;
// If we"re hitting the ground with a high velocity, die!
//if (standingOnBlock != BlockType.None && _P.playerVelocity.Y < 0)
//{
// float fallDamage = Math.Abs(_P.playerVelocity.Y) / DIEVELOCITY;
// if (fallDamage >= 1)
// {
// _P.PlaySoundForEveryone(InfiniminerSound.GroundHit, _P.playerPosition);
// _P.KillPlayer(Defines.deathByFall);//"WAS KILLED BY GRAVITY!");
// return;
// }
// else if (fallDamage > 0.5)
// {
// // Fall damage of 0.5 maps to a screenEffectCounter value of 2, meaning that the effect doesn't appear.
// // Fall damage of 1.0 maps to a screenEffectCounter value of 0, making the effect very strong.
// if (standingOnBlock != BlockType.Jump)
// {
// _P.screenEffect = ScreenEffect.Fall;
// _P.screenEffectCounter = 2 - (fallDamage - 0.5) * 4;
// _P.PlaySoundForEveryone(InfiniminerSound.GroundHit, _P.playerPosition);
// }
// }
//}
// If the player has their head stuck in a block, push them down.
if (BlockInformation.IsSolidBlock(player.world.BlockAt(headPosition).Type))
{
int blockIn = (int)(headPosition.Y);
player.position.Y = (float)(blockIn - 0.15f);
}
// If the player is stuck in the ground, bring them out.
// This happens because we're standing on a block at -1.5, but stuck in it at -1.4, so -1.45 is the sweet spot.
if (BlockInformation.IsSolidBlock(player.world.BlockAt(footPosition).Type))
{
int blockOn = (int)(footPosition.Y);
player.position.Y = (float)(blockOn + 1 + 1.45);
}
player.velocity.Y = 0;
// Logic for standing on a block.
// switch (standingOnBlock)
// {
//case BlockType.Jump:
// _P.playerVelocity.Y = 2.5f * JUMPVELOCITY;
// _P.PlaySoundForEveryone(InfiniminerSound.Jumpblock, _P.playerPosition);
// break;
//case BlockType.Road:
// movingOnRoad = true;
// break;
//case BlockType.Lava:
// _P.KillPlayer(Defines.deathByLava);
// return;
// }
// Logic for bumping your head on a block.
// switch (hittingHeadOnBlock)
// {
//case BlockType.Shock:
// _P.KillPlayer(Defines.deathByElec);
// return;
//case BlockType.Lava:
// _P.KillPlayer(Defines.deathByLava);
// return;
//}
}
// Death by falling off the map.
//if (_P.playerPosition.Y < -30)
//{
// _P.KillPlayer(Defines.deathByMiss);
// return;
//}
player.position += player.velocity * (float)gameTime.ElapsedGameTime.TotalSeconds;
KeyboardState kstate = Keyboard.GetState();
Vector3 moveVector = new Vector3();
if (kstate.IsKeyDown(Keys.Space))
{
if (BlockInformation.IsSolidBlock(player.world.BlockAt(footPosition).Type) && player.velocity.Y == 0)
{
player.velocity.Y = PLAYERJUMPVELOCITY;
float amountBelowSurface = ((ushort)footPosition.Y) + 1 - footPosition.Y;
player.position.Y += amountBelowSurface + 0.01f;
}
}
if (kstate.IsKeyDown(Keys.W))
{
moveVector += Vector3.Forward * 2;
}
if (kstate.IsKeyDown(Keys.S))
{
moveVector += Vector3.Backward * 2;
}
if (kstate.IsKeyDown(Keys.A))
{
moveVector += Vector3.Left * 2;
}
if (kstate.IsKeyDown(Keys.D))
{
moveVector += Vector3.Right * 2;
}
//moveVector.Normalize();
moveVector *= PLAYERMOVESPEED * (float)gameTime.ElapsedGameTime.TotalSeconds;
Vector3 rotatedMoveVector = Vector3.Transform(moveVector, Matrix.CreateRotationY(camera.LeftRightRotation));
// Attempt to move, doing collision stuff.
if (TryToMoveTo(rotatedMoveVector, gameTime))
{
}
else if (!TryToMoveTo(new Vector3(0, 0, rotatedMoveVector.Z), gameTime))
{
}
else if (!TryToMoveTo(new Vector3(rotatedMoveVector.X, 0, 0), gameTime))
{
}
}
