feat: support bounds.

jmecn · Apr 28, 2024 · f8a95c9 · f8a95c9
1 parent f79702d
commit f8a95c9
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Showing 5 changed files with 174 additions and 21 deletions.
diff --git a/demo/src/main/java/io/github/jmecn/tiled/demo/Demo.java b/demo/src/main/java/io/github/jmecn/tiled/demo/Demo.java
@@ -86,8 +86,7 @@ public void simpleInitApp() {
                 float sx = (float) obj.getX();
                 float sy = (float) obj.getY();
 
-
-                int layerIndex = tiledMap.getLayer("Trees").getIndex();
+                int layerIndex = tiledMap.getLayer("Objects").getIndex();
                 float y = mapRenderer.getLayerYIndex(layerIndex) + mapRenderer.getObjectTopDownYIndex(sy);
 
                 // Create player
@@ -143,7 +142,7 @@ private void initPhysics(PhysicsState physicsState, MapRenderer mapRenderer) {
                                 String sensorBehavior = (String) collision.getProperties().get("sensor_behavior");
                                 Body body = createObjectBody(physicsState, pos, size, collision, isSensor);
                                 if (isSensor) {
-                                    SensorControl control = new SensorControl(body, sensorBehavior);// TODO cache for later use
+                                    SensorControl control = new SensorControl(body, sensorBehavior);
                                     physicsState.addContactListener(control);
                                     Spatial spatial = mapRenderer.getMapObjectSpatial(objGroup, obj);
                                     if (spatial != null) {
@@ -152,6 +151,22 @@ private void initPhysics(PhysicsState physicsState, MapRenderer mapRenderer) {
                                 }
                             }
                         }
+                    } else {
+                        String bodyType = (String) obj.getProperties().get("body_type");
+                        if (bodyType == null) {
+                            // not a physics object
+                            continue;
+                        }
+                        boolean isSensor = Boolean.TRUE.equals(obj.getProperties().get("is_sensor"));
+                        String sensorBehavior = (String) obj.getProperties().get("sensor_behavior");
+                        Vector2f size = new Vector2f((float) obj.getWidth(), (float) obj.getHeight());
+                        Vector2f pos = new Vector2f((float) obj.getX(), (float) obj.getY());
+                        logger.info("Create object {} body at: {}, {}", obj.getName(), pos, size);
+                        Body body = createObjectBody(physicsState, obj, isSensor);
+                        if (isSensor) {
+                            SensorControl control = new SensorControl(body, sensorBehavior);
+                            physicsState.addContactListener(control);
+                        }
                     }
                 }
             }
@@ -173,7 +188,6 @@ private Body createTileBody(PhysicsState physicsState, Vector2f pos, Vector2f si
 
         BodyDef bodyDef = new BodyDef();
 
-        float delta = (float) (size.y - obj.getHeight());
         switch (obj.getShape()) {
             case RECTANGLE: {
                 float hx = (float) (obj.getWidth() * 0.5);
@@ -203,7 +217,7 @@ private Body createTileBody(PhysicsState physicsState, Vector2f pos, Vector2f si
                 break;
             }
             default: {
-                logger.warn("Unsupported shape: {}", obj.getShape());
+                logger.warn("Unsupported tile collision shape: {}", obj.getShape());
                 return null;
             }
         }
@@ -273,20 +287,73 @@ private Body createObjectBody(PhysicsState physicsState, Vector2f pos, Vector2f
         return physicsState.createBody(bodyDef, fixtureDef);
     }
 
+
+    /**
+     * MapObject coordinate origin is on left-bottom corner.
+     * @param physicsState
+     * @param obj
+     */
+    private Body createObjectBody(PhysicsState physicsState, MapObject obj, boolean isSensor) {
+        FixtureDef fixtureDef = new FixtureDef();
+        fixtureDef.density = 1.0f;
+        fixtureDef.friction = 0.0f;
+        fixtureDef.restitution = 0.0f;
+        fixtureDef.isSensor = isSensor;
+
+        BodyDef bodyDef = new BodyDef();
+
+        switch (obj.getShape()) {
+            case RECTANGLE: {
+                float hx = (float) (obj.getWidth() * 0.5);
+                float hy = (float) (obj.getHeight() * 0.5);
+                PolygonShape shape = new PolygonShape();
+                shape.setAsBox(hx, hy, new Vec2(hx, hy), 0);
+                fixtureDef.shape = shape;
+                break;
+            }
+            case POLYGON: {
+                List<Vec2> vertices = new ArrayList<>();
+                for (Vector2f v : obj.getPoints()) {
+                    vertices.add(new Vec2(v.x, v.y));
+                }
+                PolygonShape shape = new PolygonShape();
+                shape.set(vertices.toArray(new Vec2[0]), vertices.size());
+                fixtureDef.shape = shape;
+                break;
+            }
+            case ELLIPSE: {// box2d dose not support ellipse, use circle instead
+                float hx = (float) (obj.getWidth() * 0.5);
+                float hy = (float) (obj.getHeight() * 0.5);
+                CircleShape shape = new CircleShape();
+                shape.m_radius = Math.min(hx, hy);
+                shape.m_p.set(hx, -hy);
+                fixtureDef.shape = shape;
+                break;
+            }
+            default: {
+                logger.warn("Unsupported shape: {}", obj.getShape());
+                return null;
+            }
+        }
+
+        bodyDef.position.set((float) (obj.getX()), (float) (obj.getY()));
+        bodyDef.type = BodyType.STATIC;
+
+        return physicsState.createBody(bodyDef, fixtureDef);
+    }
+
     private Body createPlayBody(PhysicsState physicsState, double x, double y, float width, float height) {
         FixtureDef fixtureDef = new FixtureDef();
         fixtureDef.density = 1.0f;
         fixtureDef.friction = 0.0f;
         fixtureDef.restitution = 0.0f;
 
         float hx = width / 2;
-        float hy = height / 2;
+        float qx = width / 4;
+        float qy = height / 4;
 
         PolygonShape shape = new PolygonShape();
-        shape.setAsBox(4, 4, new Vec2(8, -4), 0);
-//        CircleShape shape = new CircleShape();
-//        shape.m_radius = hx;
-//        shape.m_p.set(hx, hy);
+        shape.setAsBox(qx, qy, new Vec2(hx, -qy), 0);
         fixtureDef.shape = shape;
 
         BodyDef bodyDef = new BodyDef();

diff --git a/demo/src/main/java/io/github/jmecn/tiled/demo/control/SensorControl.java b/demo/src/main/java/io/github/jmecn/tiled/demo/control/SensorControl.java
@@ -1,5 +1,6 @@
 package io.github.jmecn.tiled.demo.control;
 
+import com.jme3.math.FastMath;
 import com.jme3.renderer.RenderManager;
 import com.jme3.renderer.ViewPort;
 import com.jme3.scene.Geometry;
@@ -23,22 +24,44 @@
 public class SensorControl extends AbstractControl implements ContactListener {
     Logger logger = LoggerFactory.getLogger(SensorControl.class);
 
+    public static final String BEHAVIOR_HIDE = "hide";
+
     private int count;// in case of multiple contacts
     private final Body body;
     private final String behavior;
+    private float opacity;
 
     public SensorControl(Body body, String behavior) {
         this.body = body;
-        this.behavior = behavior;
         this.count = 0;
+        if (behavior.startsWith(BEHAVIOR_HIDE)) {
+            this.behavior = BEHAVIOR_HIDE;
+            this.opacity = 0.5f;// default
+            // "hide:0.5"
+            String[] parts = behavior.split(":");
+            if (parts.length == 2) {
+                try {
+                    this.opacity = FastMath.clamp(Float.parseFloat(parts[1]), 0.0f, 1.0f);
+                } catch (NumberFormatException e) {
+                    logger.error("Invalid behavior:{}", behavior);
+                }
+            }
+        } else {
+            this.opacity = 1.0f;
+            this.behavior = behavior;
+        }
     }
 
     @Override
     protected void controlUpdate(float tpf) {
         if (count > 0) {
-            setOpacity(0.6f);
+            if (BEHAVIOR_HIDE.equals(behavior)) {
+                setOpacity(opacity);
+            }
         } else {
-            setOpacity(1.0f);
+            if (BEHAVIOR_HIDE.equals(behavior)) {
+                setOpacity(1.0f);
+            }
         }
     }
 

diff --git a/demo/src/main/resources/Maps/jungle.tmx b/demo/src/main/resources/Maps/jungle.tmx
@@ -1,18 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map version="1.10" tiledversion="1.10.2" orientation="orthogonal" renderorder="right-down" width="30" height="20" tilewidth="16" tileheight="16" infinite="0" nextlayerid="7" nextobjectid="43">
+<map version="1.10" tiledversion="1.10.2" orientation="orthogonal" renderorder="right-down" width="30" height="20" tilewidth="16" tileheight="16" infinite="0" backgroundcolor="#22c07f" nextlayerid="7" nextobjectid="48">
  <tileset firstgid="1" source="jungle.tsx"/>
  <tileset firstgid="463" source="tree.tsx"/>
  <layer id="1" name="Ground" width="30" height="20">
   <data encoding="base64" compression="zlib">
-   eJy9lDEOwjAMRXOMrMBQUqSsiKFADwAMJfe/ColUiy8Tm7RNO7wlqvMa+8s7Y8x+Yw6Rc+S6MpZxmejl9YQXzpqx7jjiVvI24EhnPau/FXglR85J3g7qfebOOV6vYAXvaaGX3y9B3jB+P0TeQFC8VvCW9LyDN2k16CUfZcMVeDFHiX6Bl89I6nFjfvPaQi+neC3MJCh11NNWmN8cbyk4y9JdkvPyWTmljvZQDS/ONXFn/8Hzg7OUvATPqubV+OfM+aW9wb08M1J+ShjMd59wr7RbaoHZXZLnWt4tQO8j8tyYV+QD8JlpNA==
+   eJzlldENgzAMRD0GG7SAxAYYmIF2/1UapFg6WcSyk0aq1I/7w/diJz4GIhr+VI+kJ2j8opfluSZx0pK1F2o9ftqLs7YCF7+bkl4OzXDGMfd6gJf4LQaXyT7bnc7M5sw/FAt153mqPt6B+0S2ni2T3W+rVsfdRHqJcHv084tcecNRbmtmyA7uwVq9u5F66fV6U3OwFrkRNjKvtyr75GXrzPBmJTLFC9mePK3JyNJOYh9WTrZkVWR+vfcM/0c1mV8rPb+eORnRBxeiVjs=
   </data>
  </layer>
  <layer id="2" name="Plants" width="30" height="20">
   <data encoding="base64" compression="zlib">
-   eJxjYBh8oHagHTAKUIArEtsUjzpi4+0qBW6hBHyA0q54VdEPeA60AwiAi2h8WsbbLSS2MCOqnDganxLwBo3/Aasq/IAa8VaHxm8iUT8pcUPN9E6N8CMVROEQx1cWEQIlBOTRzcblBmLBLcJKqAJIjZ/BXgYNdQAA1sAR8Q==
+   eJxjYBh8oHagHTAKUIArkeqIjber5DqEQvABShPrH1oDz4F2AAFwEY1Py3i7hcQWZkSVE0fjUwLeoPE/YFWFH1Aj3urQ+E0k6iclbqiZ3qkRfqSCKDrYQQhQ6oZbhJVQBZAaP4O9DBrqAAA9pxDe
   </data>
  </layer>
- <objectgroup id="6" name="Trees">
+ <objectgroup id="6" name="Objects">
   <object id="29" gid="463" x="105.5" y="187" width="80" height="80"/>
   <object id="31" gid="465" x="105.5" y="203" width="80" height="16"/>
   <object id="33" gid="465" x="200" y="116.5" width="80" height="16"/>
@@ -24,8 +24,29 @@
   <object id="40" gid="466" x="53.5" y="176.5" width="32" height="32"/>
   <object id="41" gid="466" x="96" y="288" width="32" height="32"/>
   <object id="42" gid="463" x="365" y="192.5" width="80" height="80"/>
+  <object id="43" name="north-bound" x="0" y="-8" width="480" height="8" visible="0">
+   <properties>
+    <property name="body_type" value="static"/>
+   </properties>
+  </object>
+  <object id="44" name="west-bound" x="-8" y="0" width="8" height="320" visible="0">
+   <properties>
+    <property name="body_type" value="static"/>
+   </properties>
+  </object>
+  <object id="45" name="east-bound" x="480" y="0" width="8" height="320" visible="0">
+   <properties>
+    <property name="body_type" value="static"/>
+   </properties>
+  </object>
+  <object id="46" name="south-bound" x="0" y="320" width="480" height="8" visible="0">
+   <properties>
+    <property name="body_type" value="static"/>
+   </properties>
+  </object>
+  <object id="47" gid="466" x="299.714" y="252.571" width="32" height="32"/>
  </objectgroup>
- <objectgroup id="4" name="Location" visible="0">
+ <objectgroup id="4" name="Location">
   <object id="15" name="Start Point" x="70" y="242.833">
    <point/>
   </object>

diff --git a/demo/src/main/resources/Maps/jungle.tsx b/demo/src/main/resources/Maps/jungle.tsx
@@ -93,4 +93,39 @@
    </object>
   </objectgroup>
  </tile>
+ <wangsets>
+  <wangset name="Grass" type="corner" tile="-1">
+   <wangcolor name="bush" color="#ff0000" tile="-1" probability="1"/>
+   <wangcolor name="grass" color="#00ff00" tile="-1" probability="1"/>
+   <wangcolor name="dirt" color="#0000ff" tile="-1" probability="1"/>
+   <wangtile tileid="23" wangid="0,1,0,1,0,1,0,1"/>
+   <wangtile tileid="32" wangid="0,1,0,2,0,1,0,1"/>
+   <wangtile tileid="33" wangid="0,1,0,2,0,2,0,1"/>
+   <wangtile tileid="34" wangid="0,1,0,1,0,2,0,1"/>
+   <wangtile tileid="35" wangid="0,2,0,1,0,2,0,2"/>
+   <wangtile tileid="36" wangid="0,2,0,2,0,1,0,2"/>
+   <wangtile tileid="38" wangid="0,1,0,3,0,1,0,1"/>
+   <wangtile tileid="39" wangid="0,1,0,3,0,3,0,1"/>
+   <wangtile tileid="40" wangid="0,1,0,1,0,3,0,1"/>
+   <wangtile tileid="41" wangid="0,3,0,1,0,3,0,3"/>
+   <wangtile tileid="42" wangid="0,3,0,3,0,1,0,3"/>
+   <wangtile tileid="45" wangid="0,3,0,3,0,3,0,3"/>
+   <wangtile tileid="54" wangid="0,2,0,2,0,1,0,1"/>
+   <wangtile tileid="55" wangid="0,2,0,2,0,2,0,2"/>
+   <wangtile tileid="56" wangid="0,1,0,1,0,2,0,2"/>
+   <wangtile tileid="57" wangid="0,1,0,2,0,2,0,2"/>
+   <wangtile tileid="58" wangid="0,2,0,2,0,2,0,1"/>
+   <wangtile tileid="60" wangid="0,3,0,3,0,1,0,1"/>
+   <wangtile tileid="61" wangid="0,3,0,3,0,3,0,3"/>
+   <wangtile tileid="62" wangid="0,1,0,1,0,3,0,3"/>
+   <wangtile tileid="63" wangid="0,1,0,3,0,3,0,3"/>
+   <wangtile tileid="64" wangid="0,3,0,3,0,3,0,1"/>
+   <wangtile tileid="76" wangid="0,2,0,1,0,1,0,1"/>
+   <wangtile tileid="77" wangid="0,2,0,1,0,1,0,2"/>
+   <wangtile tileid="78" wangid="0,1,0,1,0,1,0,2"/>
+   <wangtile tileid="82" wangid="0,3,0,1,0,1,0,1"/>
+   <wangtile tileid="83" wangid="0,3,0,1,0,1,0,3"/>
+   <wangtile tileid="84" wangid="0,1,0,1,0,1,0,3"/>
+  </wangset>
+ </wangsets>
 </tileset>
diff --git a/demo/src/main/resources/Maps/tree.tsx b/demo/src/main/resources/Maps/tree.tsx
@@ -7,7 +7,7 @@
     <properties>
      <property name="body_type" value="static"/>
      <property name="is_sensor" type="bool" value="true"/>
-     <property name="sensor_behavior" value="hide"/>
+     <property name="sensor_behavior" value="hide:0.5"/>
     </properties>
     <polygon points="0,0 19.3724,-30.64 36.3726,-36.1749 76.5011,-14.2328 78.4779,4.15122 50.0124,33.6051 30.4423,33.6051 -0.197677,5.93032"/>
    </object>
@@ -20,7 +20,7 @@
     <properties>
      <property name="body_type" value="static"/>
      <property name="is_sensor" type="bool" value="true"/>
-     <property name="sensor_behavior" value="hide"/>
+     <property name="sensor_behavior" value="hide:0.5"/>
     </properties>
     <polygon points="0.197677,-3.36051 26.4888,-26.2911 55.5473,-22.9306 77.6872,-0.988386 77.6872,15.0235 49.024,39.9308 31.0353,40.1285 -0.395355,6.72103"/>
    </object>
@@ -34,7 +34,6 @@
      <property name="body_type" value="static"/>
     </properties>
    </object>
-   <object id="2" x="17" y="0" width="46" height="14"/>
   </objectgroup>
  </tile>
  <tile id="3" x="16" y="304" width="32" height="32">
@@ -45,6 +44,14 @@
      <property name="body_type" value="static"/>
     </properties>
    </object>
+   <object id="3" x="3.75587" y="15.2212">
+    <properties>
+     <property name="body_type" value="static"/>
+     <property name="is_sensor" type="bool" value="true"/>
+     <property name="sensor_behavior" value="hide:0.5"/>
+    </properties>
+    <polygon points="0,0 0.197677,-2.96516 7.11638,-9.29083 17.3956,-9.09316 23.919,-2.37213 24.2155,0"/>
+   </object>
   </objectgroup>
  </tile>
  <tile id="4" x="48" y="304" width="32" height="16">