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Animated fire & smoke particles

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This commit is contained in:
Regalis
2017-03-30 21:32:08 +03:00
parent e661724cbb
commit c58d7dfd73
8 changed files with 132 additions and 24 deletions
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37
Subsurface/Source/Particles/Particle.cs
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@@ -42,6 +42,9 @@ namespace Barotrauma.Particles
private Hull currentHull;
private List<Gap> hullGaps;
private float animState;
private int animFrame;
public ParticlePrefab.DrawTargetType DrawTarget
{
@@ -77,6 +80,9 @@ namespace Barotrauma.Particles
spriteIndex = Rand.Int(prefab.Sprites.Count);
animState = 0;
animFrame = 0;
currentHull = Hull.FindHull(position, hullGuess);
this.position = position;
@@ -166,6 +172,13 @@ namespace Barotrauma.Particles
color.R / 255.0f + prefab.ColorChange.X * deltaTime,
color.G / 255.0f + prefab.ColorChange.Y * deltaTime,
color.B / 255.0f + prefab.ColorChange.Z * deltaTime);
if (prefab.Sprites[spriteIndex] is SpriteSheet)
{
animState += deltaTime;
int frameCount = ((SpriteSheet)prefab.Sprites[spriteIndex]).FrameCount;
animFrame = (int)Math.Min(Math.Floor(animState / prefab.AnimDuration * frameCount), frameCount - 1);
}
if (prefab.DeleteOnCollision || prefab.CollidesWithWalls)
{
@@ -317,11 +330,25 @@ namespace Barotrauma.Particles
drawSize *= ((totalLifeTime - lifeTime) / prefab.GrowTime);
}
prefab.Sprites[spriteIndex].Draw(spriteBatch,
new Vector2(drawPosition.X, -drawPosition.Y),
color * alpha,
prefab.Sprites[spriteIndex].Origin, drawRotation,
drawSize, SpriteEffects.None, prefab.Sprites[spriteIndex].Depth);
if (prefab.Sprites[spriteIndex] is SpriteSheet)
{
((SpriteSheet)prefab.Sprites[spriteIndex]).Draw(
spriteBatch, animFrame,
new Vector2(drawPosition.X, -drawPosition.Y),
color * alpha,
prefab.Sprites[spriteIndex].Origin, drawRotation,
drawSize, SpriteEffects.None, prefab.Sprites[spriteIndex].Depth);
}
else
{
prefab.Sprites[spriteIndex].Draw(spriteBatch,
new Vector2(drawPosition.X, -drawPosition.Y),
color * alpha,
prefab.Sprites[spriteIndex].Origin, drawRotation,
drawSize, SpriteEffects.None, prefab.Sprites[spriteIndex].Depth);
}
}
}
}

23
Subsurface/Source/Particles/ParticlePrefab.cs
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@@ -13,6 +13,9 @@ namespace Barotrauma.Particles
public readonly List<Sprite> Sprites;
public readonly float AnimDuration;
public readonly bool LoopAnim;
public readonly float AngularVelocityMin, AngularVelocityMax;
public readonly float StartRotationMin, StartRotationMax;
@@ -53,11 +56,21 @@ namespace Barotrauma.Particles
foreach (XElement subElement in element.Elements())
{
if (subElement.Name.ToString().ToLowerInvariant() != "sprite") continue;
Sprites.Add(new Sprite(subElement));
switch (subElement.Name.ToString().ToLowerInvariant())
{
case "sprite":
Sprites.Add(new Sprite(subElement));
break;
case "spritesheet":
case "animatedsprite":
Sprites.Add(new SpriteSheet(subElement));
break;
}
}
AnimDuration = ToolBox.GetAttributeFloat(element, "animduration", 1.0f);
LoopAnim = ToolBox.GetAttributeBool(element, "loopanim", true);
if (element.Attribute("angularvelocity") == null)
{
AngularVelocityMin = ToolBox.GetAttributeFloat(element, "angularvelocitymin", 0.0f);
@@ -134,7 +147,9 @@ namespace Barotrauma.Particles
DeleteOnCollision = ToolBox.GetAttributeBool(element, "deleteoncollision", false);
CollidesWithWalls = ToolBox.GetAttributeBool(element, "collideswithwalls", false);
CollisionRadius = ToolBox.GetAttributeFloat(element, "collisionradius", Sprites[0].SourceRect.Width/2.0f);
CollisionRadius = ToolBox.GetAttributeFloat(element,
"collisionradius",
Sprites.Count > 0 ? 1 : Sprites[0].SourceRect.Width / 2.0f);
ColorChange = ToolBox.GetAttributeVector4(element, "colorchange", Vector4.Zero);

10
Subsurface/Source/Sprite.cs
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@@ -14,15 +14,15 @@ namespace Barotrauma
//if two sprites use the same file, they share the same texture
string file;
Texture2D texture;
protected Texture2D texture;
//the area in the texture that is supposed to be drawn
Rectangle sourceRect;
//the offset used when drawing the sprite
Vector2 offset;
protected Vector2 offset;
private Vector2 origin;
protected Vector2 origin;
//the size of the drawn sprite, if larger than the source,
//the sprite is tiled to fill the target size
@@ -32,7 +32,7 @@ namespace Barotrauma
public SpriteEffects effects;
float depth;
protected float depth;
public Rectangle SourceRect
{
@@ -202,7 +202,7 @@ namespace Barotrauma
this.Draw(spriteBatch, pos, color, origin, rotate, new Vector2(scale, scale), spriteEffect, depth);
}
public void Draw(SpriteBatch spriteBatch, Vector2 pos, Color color, Vector2 origin, float rotate, Vector2 scale, SpriteEffects spriteEffect = SpriteEffects.None, float? depth = null)
public virtual void Draw(SpriteBatch spriteBatch, Vector2 pos, Color color, Vector2 origin, float rotate, Vector2 scale, SpriteEffects spriteEffect = SpriteEffects.None, float? depth = null)
{
//for (int x = -1; x <= 1; x += 2)
//{

55
Subsurface/Source/SpriteSheet.cs Normal file
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@@ -0,0 +1,55 @@
using Microsoft.Xna.Framework;
using System;
using System.Xml.Linq;
using Microsoft.Xna.Framework.Graphics;
namespace Barotrauma
{
class SpriteSheet : Sprite
{
private Rectangle[] sourceRects;
public int FrameCount
{
get { return sourceRects.Length; }
}
public SpriteSheet(XElement element, string path = "", string file = "")
: base(element, path, file)
{
int columnCount = Math.Max(ToolBox.GetAttributeInt(element, "columns", 1), 1);
int rowCount = Math.Max(ToolBox.GetAttributeInt(element, "rows", 1), 1);
sourceRects = new Rectangle[rowCount * columnCount];
int cellWidth = SourceRect.Width / columnCount;
int cellHeight = SourceRect.Height / rowCount;
for (int x = 0; x < columnCount; x++)
{
for (int y = 0; y < rowCount; y++)
{
sourceRects[x + y * columnCount] = new Rectangle(x * cellWidth, y * cellHeight, cellWidth, cellHeight);
}
}
origin = ToolBox.GetAttributeVector2(element, "origin", new Vector2(0.5f, 0.5f));
origin.X = origin.X * cellWidth;
origin.Y = origin.Y * cellHeight;
}
public override void Draw(SpriteBatch spriteBatch, Vector2 pos, Color color, Vector2 origin, float rotate, Vector2 scale, SpriteEffects spriteEffect = SpriteEffects.None, float? depth = default(float?))
{
if (texture == null) return;
spriteBatch.Draw(texture, pos + offset, sourceRects[0], color, rotation + rotate, origin, scale, spriteEffect, depth == null ? this.depth : (float)depth);
}
public void Draw(SpriteBatch spriteBatch, int spriteIndex, Vector2 pos, Color color, Vector2 origin, float rotate, Vector2 scale, SpriteEffects spriteEffect = SpriteEffects.None, float? depth = default(float?))
{
if (texture == null) return;
spriteBatch.Draw(texture, pos + offset, sourceRects[spriteIndex], color, rotation + rotate, origin, scale, spriteEffect, depth == null ? this.depth : (float)depth);
}
}
}