//protected override void Update(GameTime gameTime)
//{
// _world.Update(gameTime);
// base.Update(gameTime);
//}
public override void Destroy(Entity entity)
{
base.Destroy(entity);
//When you're inside an EntitySystem there are helper methods for creating destroying entities so that you don't need to access the World instance each time.
var enemy = (Enemy)entity.Get(Types.Enemy);
var body = (Body)entity.Get(Types.Body);
var rnd = new Random();
foreach (var item in enemy.Drop_Items)
{
int dx = -5 + rnd.Next() % 10;
int dy = -5 + rnd.Next() % 10;
var ent = World_Ref.Create_Entity(
Assets.It.Get <LuaTable>(item),
body.X + body.Width / 2 + dx,
body.Y + body.Height / 2 + dy
);
var physics = (Physics)ent.Get(Types.Physics);
if (physics != null)
{
float angle = (float)rnd.Next() % 360;
physics.Apply_Force(rnd.Next() % 150, -Physics.Deg_To_Rad(angle));
}
}
}
public override void Destroy(Entity entity)
{
base.Destroy(entity);
var enemy = (Enemy)entity.Get(Types.Enemy);
var body = (Body)entity.Get(Types.Body);
var rnd = new Random();
foreach (var item in enemy.Drop_Items)
{
int dx = -5 + rnd.Next() % 10;
int dy = -5 + rnd.Next() % 10;
var ent = World_Ref.Create_Entity(
Assets.It.Get <LuaTable>(item),
body.X + body.Width / 2 + dx,
body.Y + body.Height / 2 + dy
);
var physics = (Physics)ent.Get(Types.Physics);
if (physics != null)
{
float angle = (float)rnd.Next() % 360;
physics.Apply_Force(rnd.Next() % 150, -Physics.Deg_To_Rad(angle));
}
}
}
public Entity Get_Player()
{
var entities = World_Ref.Get_All_With_Component(Types.Player);
if (entities.Count > 0)
{
return(entities.Last());
}
return(null);
}
public bool Entity_Within(string tag, float x, float y, float dist)
{
var other = World_Ref.Find_With_Tag(tag);
if (other != null)
{
var o_body = (Body)other.Get(Types.Body);
var adist = Vector2.Distance(o_body.Position, new Vector2(x, y));
if (adist < dist)
{
return(true);
}
}
return(false);
}
public void Draw_Solids(SpriteBatch batch, GameCamera camera)
{
var gui = (Texture2D)Assets.It.Get <Texture2D>("gui");
solids.ForEach(s => {
//batch.Draw(gui, new Rectangle((int)s.X, (int)s.Y, (int)s.Width, (int)s.Height), new Rectangle(24, 0, 24, 24), new Color(0, 0, 0, 10));
var proj = camera.World_To_Screen(new Vector2(s.X, s.Y));
Debug_Drawing.Draw_Line_Rect(batch, proj.X, proj.Y, s.Width * camera.Zoom, s.Height * camera.Zoom, Color.Red);
});
polygons.ForEach(p =>
{
for (int i = 0; i < p.Points.Count; i += 2)
{
var start = camera.World_To_Screen(p.Points[i] + p.Position);
var other_index = i + 1;
if (other_index > p.Points.Count - 1)
{
other_index = 0;
}
var end = camera.World_To_Screen(p.Points[other_index] + p.Position);
Debug_Drawing.Draw_Line(batch, start, end, Color.Red);
}
});
var bodies = World_Ref.Get_All_With_Component(Types.Physics);
foreach (var entity in bodies)
{
var physics = (Physics)entity.Get(Types.Physics);
var body = (Body)entity.Get(Types.Body);
//batch.Draw(gui, new Rectangle((int) body.X, (int) body.Y, (int) body.Width, (int) body.Height), new Rectangle(24, 0, 24, 24), new Color(0, 0, 0, 10));
// TODO: make it so that it turns red if it is collideing
var proj = camera.World_To_Screen(new Vector2(body.X, body.Y));
var color = Color.LimeGreen;
if (physics.Other != null)
{
color = Color.Red;
}
Debug_Drawing.Draw_Line_Rect(batch, proj.X, proj.Y, body.Width * camera.Zoom, body.Height * camera.Zoom, color);
}
}
public override void Draw(SpriteBatch batch, Entity entity)
{
base.Draw(batch, entity);
var body = (Body)(entity.Get(Component.Types.Body));
var sprite = (Animated_Sprite)(entity.Get(Component.Types.Animation));
var player = World_Ref.Find_With_Tag("Player");
if (player != null)
{
var pbody = (Body)(player.Get(Component.Types.Body));
if (Vector2.Distance(body.Position, pbody.Position) < 25)
{
var entities = Assets.It.Get <Texture2D>("entities");
batch.Draw(entities, body.Position - new Vector2(-body.Width / 2, 32), new Rectangle(458, 0, 24, 24), Color.White, 0, Vector2.Zero, 0.7f, SpriteEffects.None, 1);
}
}
}
public void Create_Sword_Hitbox(World world, Physics physics, Body body)
{
var side = (int)physics.FacingSide;
var hit_size = 16;
var hit = World_Ref.Create_Entity();
hit.Tags.Add("Player-Hit");
hit.Add(new Body(new Vector2(
body.Center.X + (side < 0 ? hit_size * side * 2 : 0),
body.Position.Y - body.Height / 2 - hit_size),
new Vector2(
hit_size * 2.3f,
hit_size * 2
)));
hit.Add(new Timed_Destroy(0.3f));
var phy = (Physics)hit.Add(new Physics(Vector2.Zero, Physics.PType.DYNAMIC));
phy.Blacklisted_Collision_Tags.Add("Player");
hit.Update = (self) => {
var h_body = (Body)self.Get(Types.Body);
var _side = (int)physics.FacingSide;
h_body.Position = new Vector2(
body.Center.X + (side < 0 ? hit_size * side * 2 : 0),
body.Position.Y - body.Height / 2 - hit_size
);
return(true);
};
}
public override void Constant_Update(GameTime time, Entity entity)
{
base.Constant_Update(time, entity);
if (timer >= 0)
{
timer -= (float)time.ElapsedGameTime.TotalSeconds;
}
var body = (Body)(entity.Get(Component.Types.Body));
var anim = (Animated_Sprite)(entity.Get(Component.Types.Animation));
var physics = (Physics)entity.Get(Component.Types.Physics);
var npc = (Npc)entity.Get(Types.Npc);
var player = World_Ref.Find_With_Tag("Player");
if (player == null)
{
return;
}
var player_body = (Body)player.Get(Types.Body);
if (Vector2.Distance(player_body.Center, body.Center) < Constants.NPC_TALKING_DISTANCE && dialog_box.IsOpen == false)
{
if (Input.It.Is_Key_Pressed(Keys.Z))
{
Input.It.Reset_Key(Keys.Z);
// set the speaker and the target for interactions with lua functions
npc.Dialog.Speaker = entity;
npc.Dialog.Target = player;
dialog_box.TryOpen(npc.Dialog);
}
}
}
public Entity Spawn(LuaTable e, float x, float y)
{
return(World_Ref.Create_Entity(e, x, y));
}
public Entity Get_With_Tag(string tag)
{
return(World_Ref.Find_With_Tag(tag));
}
public void Do_Block(LuaTable table, Entity e, AI ai, Body body, Physics physics)
{
int i = 2;
bool running = true;
while (running)
{
if (i > table.Values.Count)
{
running = false; break;
}
var key = table[i] as LuaTable;
var opcode = key[1] as string;
switch (opcode)
{
case "set_z":
{
var to = (float)(key[2] as Double?);
body.Z = to;
break;
}
case "set_layer":
{
var to = (float)(key[2] as Double?);
var sprite = (Animated_Sprite)e.Get(Types.Animation);
sprite.Layer = to;
break;
}
case "entity_within":
{
var tag = key[2] as string;
var dist = (float)(key[3] as double?);
var other = World_Ref.Find_With_Tag(tag);
if (other != null)
{
var o_body = (Body)other.Get(Types.Body);
var adist = Vector2.Distance(o_body.Position, body.Position);
if (adist > dist)
{
i++;
}
}
break;
}
case "track":
{
var tag = key[2] as string;
var other = World_Ref.Find_With_Tag(tag);
if (other != null)
{
var o_body = (Body)other.Get(Types.Body);
var dot = body.Angle_To_Other(o_body);
var force = (float)(key[3] as double?);
physics.Apply_Force(force, dot);
}
i++;
break;
}
case "block":
Do_Block(key, e, ai, body, physics);
break;
case "block_with_skip":
Do_Block(key, e, ai, body, physics); i++;
break;
case "if_timer":
var time = (float)(key[2] as double?);
if (ai.Timer < time)
{
i++;
}
break;
case "timer_reset": ai.Timer = 0; break;
case "new_target_dir":
{
var by = (float)(key[2] as double?);
var rnd = new Random();
var dir = (rnd.Next() % (int)by);
ai.Target_Angle += (float)((dir * Math.PI) / 180);
break;
}
case "move_towards_target":
{
var force = (float)(key[2] as double?);
physics.Apply_Force(force, ai.Target_Angle);
break;
}
case "collision_with_tag":
{
var tag = key[2] as string;
if (physics.Other != null)
{
if (!physics.Other.Tags.Contains(tag))
{
i++;
}
continue;
}
i++;
break;
}
case "destroy":
{
var obj = key[2] as string;
if (obj == "self")
{
e.Destroy();
}
if (obj == "other")
{
if (physics.Other != null)
{
physics.Other.Destroy();
}
}
break;
}
case "face_move_dir": {
var sprite = (Animated_Sprite)e.Get(Types.Animation);
if (sprite != null)
{
if (physics.Velocity.X > 0)
{
sprite.Scale = new Vector2(1, sprite.Scale.Y);
}
else
{
sprite.Scale = new Vector2(-1, sprite.Scale.Y);
}
}
break;
}
case "set_animation": {
var sprite = (Animated_Sprite)e.Get(Types.Animation);
if (sprite != null)
{
var anim_id = key[2] as string;
sprite.Current_Animation_ID = anim_id;
}
break;
}
case "velocity_lessthan": {
var value = (float)(key[2] as double?);
if (value < physics.Current_Speed)
{
i++;
}
break;
}
case "velocity_greaterthen": {
var value = (float)(key[2] as double?);
if (value < physics.Current_Speed)
{
i++;
}
break;
}
case "set_target": {
var to = (float)(key[2] as double?);
ai.Target_Angle = (float)((to * Math.PI) / 180);
}
break;
case "print_str":
Console.WriteLine("AI: {}", key[2] as string);
break;
case "set_flag":
ai.Flags[(int)(key[2] as double?)] = true;
break;
case "unset_flag":
ai.Flags[(int)(key[2] as double?)] = false;
break;
case "if_flag": {
var flag = ai.Flags[(int)(key[2] as double?)];
if (!flag)
{
i++;
}
break;
}
case "if_not_flag":
{
var flag = ai.Flags[(int)(key[2] as double?)];
if (flag)
{
i++;
}
break;
}
default:
Console.WriteLine($"Unknown command: { key[1] }");
break;
}
i++;
}
}
