Добавить первую волну мира Physics

app/src/test/java/com/projectsacrifice/game/FoundationsFinaleContentTest.java

@@ -13,7 +13,7 @@ public final class FoundationsFinaleContentTest {
     @Test
     public void finalFoundationsWaveMatchesTheApprovedMatrixAndClosesTheWorld() {
         List<LevelDefinition> levels = LevelCatalog.all();
-        assertEquals(30, levels.size());
+        assertTrue(levels.size() >= 30);
 
         LevelDefinition keys = levels.get(26);
         assertIdentity(keys, 27, "foundations.two-keys", "Two Keys", 2, 65);

app/src/test/java/com/projectsacrifice/game/LevelCatalogTest.java

@@ -15,7 +15,7 @@ public final class LevelCatalogTest {
     @Test
     public void productionCatalogContainsMechanicsAndChallengeTeachingLevels() {
         List<LevelDefinition> levels = LevelCatalog.all();
-        assertEquals(30, levels.size());
+        assertEquals(34, levels.size());
         Set<String> titles = new HashSet<>();
         for (int i = 0; i < levels.size(); i++) {
             LevelDefinition level = levels.get(i);

app/src/test/java/com/projectsacrifice/game/PhysicalObjectStackResolverTest.java

@@ -0,0 +1,47 @@
+package com.projectsacrifice.game;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+import java.util.Arrays;
+
+public final class PhysicalObjectStackResolverTest {
+    @Test
+    public void fallingObjectSettlesOnTheHighestCrossedObject() {
+        PhysicalObjectState lower = object(650f, 800f, 160f, 80f);
+        PhysicalObjectState middle = object(690f, 721f, 140f, 80f)
+                .velocity(0f, 60f);
+        PhysicalObjectState distant = object(1_200f, 700f, 100f, 100f);
+
+        boolean settled = PhysicalObjectStackResolver.settleFalling(
+                middle, 720f, Arrays.asList(lower, middle, distant));
+
+        assertTrue(settled);
+        assertEquals(720f, middle.weightedY(), 0f);
+        assertEquals(0f, middle.velocityY(), 0f);
+        assertTrue(middle.grounded());
+    }
+
+    @Test
+    public void risingOrNonCrossingObjectIsNotTeleportedOntoAStack() {
+        PhysicalObjectState lower = object(650f, 800f, 160f, 80f);
+        PhysicalObjectState rising = object(690f, 700f, 120f, 80f)
+                .velocity(0f, -40f);
+        PhysicalObjectState beside = object(300f, 721f, 100f, 80f)
+                .velocity(0f, 60f);
+
+        assertFalse(PhysicalObjectStackResolver.settleFalling(
+                rising, 704f, Arrays.asList(lower, rising)));
+        assertFalse(PhysicalObjectStackResolver.settleFalling(
+                beside, 720f, Arrays.asList(lower, beside)));
+    }
+
+    private static PhysicalObjectState object(float x, float y, float width, float height) {
+        return new PhysicalObjectState(new LevelDefinition.PhysicalObject(
+                LevelDefinition.PhysicalObjectType.BOX,
+                new LevelDefinition.Box(x, y, width, height), 1));
+    }
+}

app/src/test/java/com/projectsacrifice/game/PhysicsWaveOneContentTest.java

@@ -0,0 +1,64 @@
+package com.projectsacrifice.game;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+import java.util.List;
+
+public final class PhysicsWaveOneContentTest {
+    @Test
+    public void firstPhysicsWaveMatchesTheExecutableMatrix() {
+        List<LevelDefinition> levels = LevelCatalog.all();
+        assertEquals(34, levels.size());
+
+        LevelDefinition mass = levels.get(30);
+        assertIdentity(mass, 31, "physics.mass-basics", "Weight Class", 0, 45);
+        assertFalse(mass.objects.isEmpty());
+        assertTrue(mass.containsMechanic(LevelDefinition.SwitchType.PRESSURE));
+        assertFalse(mass.doors.isEmpty());
+
+        LevelDefinition stack = levels.get(31);
+        assertIdentity(stack, 32, "physics.stack-order", "Stack Order", 0, 50);
+        assertTrue(stack.objects.size() >= 3);
+        assertTrue("The authored staircase must contain an object supported by another",
+                hasAuthoredObjectStack(stack));
+
+        LevelDefinition launch = levels.get(32);
+        assertIdentity(launch, 33, "physics.launch-window", "Launch Window", 1, 55);
+        assertTrue(launch.containsMechanic(LevelDefinition.HazardType.SAW));
+        assertTrue(launch.hasMovingPlatform());
+
+        LevelDefinition crusher = levels.get(33);
+        assertIdentity(crusher, 34, "physics.crusher-rhythm", "Press Cycle", 1, 55);
+        assertTrue(crusher.containsMechanic(LevelDefinition.HazardType.CRUSHER));
+        assertTrue(crusher.containsMechanic(LevelDefinition.SwitchType.PRESSURE));
+    }
+
+    private static boolean hasAuthoredObjectStack(LevelDefinition level) {
+        for (LevelDefinition.PhysicalObject upper : level.objects) {
+            for (LevelDefinition.PhysicalObject lower : level.objects) {
+                if (upper == lower) continue;
+                boolean horizontalOverlap = upper.box.x < lower.box.right()
+                        && upper.box.right() > lower.box.x;
+                if (horizontalOverlap
+                        && Math.abs(upper.box.bottom() - lower.box.y) <= 0.01f) return true;
+            }
+        }
+        return false;
+    }
+
+    private static void assertIdentity(LevelDefinition level, int number, String id, String title,
+                                       int targetDeaths, int targetSeconds) {
+        assertEquals(number, level.number);
+        assertEquals(id, level.levelId);
+        assertEquals("physics", level.worldId);
+        assertEquals(title, level.title);
+        assertEquals(targetDeaths, level.targetDeaths);
+        assertEquals(targetSeconds, level.targetSeconds);
+        assertNotNull(level.collectible);
+    }
+}