improved snow removal collisions

GreatSpringGameJam/Content/Tilesets/World.tsx

@@ -30,16 +30,25 @@
   <properties>
    <property name="Snow" type="bool" value="true"/>
   </properties>
+  <objectgroup draworder="index" id="3">
+   <object id="2" x="0" y="14" width="16" height="2"/>
+  </objectgroup>
  </tile>
  <tile id="6">
   <properties>
    <property name="Snow" type="bool" value="true"/>
   </properties>
+  <objectgroup draworder="index" id="3">
+   <object id="2" x="0" y="14" width="16" height="2"/>
+  </objectgroup>
  </tile>
  <tile id="7">
   <properties>
    <property name="Snow" type="bool" value="true"/>
   </properties>
+  <objectgroup draworder="index" id="4">
+   <object id="3" x="0" y="14" width="16" height="2"/>
+  </objectgroup>
  </tile>
  <tile id="8">
   <objectgroup draworder="index" id="2">
@@ -84,17 +93,29 @@
  <tile id="21">
   <properties>
    <property name="Snow" type="bool" value="true"/>
+   <property name="SnowBottom" type="bool" value="true"/>
   </properties>
+  <objectgroup draworder="index" id="2">
+   <object id="1" x="0" y="0" width="16" height="5"/>
+  </objectgroup>
  </tile>
  <tile id="22">
   <properties>
    <property name="Snow" type="bool" value="true"/>
+   <property name="SnowBottom" type="bool" value="true"/>
   </properties>
+  <objectgroup draworder="index" id="3">
+   <object id="2" x="0" y="0" width="16" height="5"/>
+  </objectgroup>
  </tile>
  <tile id="23">
   <properties>
    <property name="Snow" type="bool" value="true"/>
+   <property name="SnowBottom" type="bool" value="true"/>
   </properties>
+  <objectgroup draworder="index" id="2">
+   <object id="1" x="0" y="0" width="16" height="5"/>
+  </objectgroup>
  </tile>
  <tile id="32">
   <objectgroup draworder="index" id="2">

GreatSpringGameJam/GameImpl.cs

@@ -78,7 +78,7 @@ namespace GreatSpringGameJam {
                 }
 
                 // display end of level info
-                var snowRemoved = this.Map.TotalSnow - this.Map.GetTotalTiles("Snow");
+                var snowRemoved = this.Map.TotalSnow - this.Map.GetTotalTiles("Snow") / 2;
                 var plantsGrown = this.Map.TotalSeeds - this.Map.GetTotalTiles("Seed");
                 var gnomesCollected = this.Map.TotalGnomes - this.Map.GetEntities<Gnome>().Count();
                 // snow removal is less important, gnomes are more important

GreatSpringGameJam/GreatSpringGameJam.csproj

@@ -9,9 +9,9 @@
 
     <ItemGroup>
         <PackageReference Include="Contentless" Version="3.0.5" />
-        <PackageReference Include="MLEM" Version="5.0.0-69" />
+        <PackageReference Include="MLEM" Version="5.0.0-71" />
-        <PackageReference Include="MLEM.Extended" Version="5.0.0-69" />
+        <PackageReference Include="MLEM.Extended" Version="5.0.0-71" />
-        <PackageReference Include="MLEM.Startup" Version="5.0.0-69" />
+        <PackageReference Include="MLEM.Startup" Version="5.0.0-71" />
         <PackageReference Include="MonoGame.Content.Builder.Task" Version="3.8.0.1641" />
         <PackageReference Include="MonoGame.Extended.Content.Pipeline" Version="3.8.0" />
         <PackageReference Include="MonoGame.Extended.Tiled" Version="3.8.0" />

GreatSpringGameJam/Map.cs

@@ -11,6 +11,7 @@ using MLEM.Startup;
 using MLEM.Textures;
 using MonoGame.Extended;
 using MonoGame.Extended.Tiled;
+using RectangleF = MLEM.Misc.RectangleF;
 
 namespace GreatSpringGameJam {
     public class Map {
@@ -32,8 +33,12 @@ namespace GreatSpringGameJam {
         public Map(TiledMap map) {
             this.map = map;
             this.renderer = new IndividualTiledMapRenderer(this.map);
-            this.Collisions = new TiledMapCollisions(this.map);
+            this.Collisions = new TiledMapCollisions(this.map, (collisions, info) => {
-            this.TotalSnow = this.GetTotalTiles("Snow");
+                // snow should only "collide" with the snow blower wind
+                if (info.Layer.Name != "Snow")
+                    TiledMapCollisions.DefaultCollectCollisions(collisions, info);
+            });
+            this.TotalSnow = this.GetTotalTiles("Snow") / 2;
             this.TotalSeeds = this.GetTotalTiles("Seed");
 
             foreach (var (pos, _) in this.EnumerateTiles("Gnome")) {
@@ -84,6 +89,10 @@ namespace GreatSpringGameJam {
             return tile.GetTileset(this.map);
         }
 
+        public RectangleF GetArea(TiledMapObject obj, Vector2? pos = null) {
+            return obj.GetArea(this.map, pos).ToMlem();
+        }
+
         public void Draw(GameTime time, SpriteBatch batch, Camera camera) {
             batch.Begin(SpriteSortMode.Deferred, null, SamplerState.PointClamp, transformMatrix: camera.ViewMatrix);
             // render background

GreatSpringGameJam/SnowBlowerWind.cs

@@ -1,8 +1,10 @@
 using System;
+using System.Linq;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
 using MLEM.Extended.Tiled;
 using MLEM.Extensions;
+using MLEM.Misc;
 using MLEM.Textures;
 
 namespace GreatSpringGameJam {
@@ -26,13 +28,21 @@ namespace GreatSpringGameJam {
                 var (x, y) = this.Position.ToPoint();
                 var tile = this.Map.GetTile("Snow", x, y);
                 if (!tile.IsBlank) {
-                    this.Map.SetTile("Snow", x, y, 0);
+                    var tilesetTile = this.Map.GetTilesetTile(tile, this.Map.GetTileset(tile));
-                    var hidden = this.Map.GetTile("SnowHidden", x, y);
+                    // check if the wind actually intersects with the snow's collision box
-                    if (!hidden.IsBlank) {
+                    if (tilesetTile.Objects.Any(o => this.Map.GetArea(o, new Vector2(x, y)).Contains(this.Position))) {
-                        this.Map.SetTile("Ground", x, y, hidden.GlobalIdentifier);
+                        if (tilesetTile.Properties.GetBool("SnowBottom"))
-                        this.Map.SetTile("SnowHidden", x, y, 0);
+                            y--;
+                        for (var yOff = 0; yOff <= 1; yOff++) {
+                            this.Map.SetTile("Snow", x, y + yOff, 0);
+                            var hidden = this.Map.GetTile("SnowHidden", x, y + yOff);
+                            if (!hidden.IsBlank) {
+                                this.Map.SetTile("Ground", x, y + yOff, hidden.GlobalIdentifier);
+                                this.Map.SetTile("SnowHidden", x, y + yOff, 0);
+                            }
+                            this.Map.RemoveEntity(this);
+                        }
                     }
-                    this.Map.RemoveEntity(this);
                 }
             }
         }