X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fmap%2FMapState.cpp;h=62e480267ca092f31a178f2ffe2274f8792fc229;hb=d7befe3a14be8f01d6d7288a6970358a4749368d;hp=162db8b216186731f8852c0a4e9cc10bf7bbd128;hpb=d969efe468d2d9775ab2c5388be1cde8efa0b9ad;p=l2e.git

diff --git a/src/map/MapState.cpp b/src/map/MapState.cpp
index 162db8b..62e4802 100644
--- a/src/map/MapState.cpp
+++ b/src/map/MapState.cpp
@@ -70,7 +70,7 @@ void MapState::HandleEvents(const Input &input) {
 }
 
 void MapState::UpdateWorld(float deltaT) {
-	if (controlled && controlled->TileLock(map->Tileset()->Width(), map->Tileset()->Height())) {
+	if (controlled && controlled->TileLock(map->Tileset()->Size())) {
 		OnTileLock();
 	}
 	for (std::vector<Entity *>::iterator i(entities.begin()), end(entities.end()); i != end; ++i) {
@@ -91,34 +91,21 @@ void MapState::OnTileLock() {
 		afterLock = true;
 	}
 
+	// TODO: halt all activity if lock caused a state/map transition
+
 	if (nextDirection >= 0) {
+		bool blocked(CheckBlocking());
 		if (afterLock) {
-			// FIXME: this check is unreliable, see #21
-			OnMove();
+			OnMove(!blocked);
 			afterLock = false;
 		}
 		controlled->SetOrientation(Entity::Orientation(nextDirection));
-		const Tile &tile(map->TileAt(controlled->Position()));
-		bool blocked(false);
-		switch (controlled->GetOrientation()) {
-			case Entity::ORIENTATION_NORTH:
-				blocked = tile.BlocksNorth();
-				break;
-			case Entity::ORIENTATION_EAST:
-				blocked = tile.BlocksEast();
-				break;
-			case Entity::ORIENTATION_SOUTH:
-				blocked = tile.BlocksSouth();
-				break;
-			case Entity::ORIENTATION_WEST:
-				blocked = tile.BlocksWest();
-				break;
-		}
 		if (!blocked) {
 			controlled->SetSpeed(walkingSpeed);
 			moveTimer.Clear();
 		} else {
 			controlled->SetSpeed(0.0f);
+			StopFollowers(*controlled);
 			if (!moveTimer.Running()) {
 				int tileSize((controlled->GetOrientation() % 2) ? map->Tileset()->Width() : map->Tileset()->Height());
 				moveTimer = PhysicsTimers().StartInterval(tileSize/walkingSpeed);
@@ -129,6 +116,7 @@ void MapState::OnTileLock() {
 		}
 	} else {
 		controlled->SetSpeed(0.0f);
+		StopFollowers(*controlled);
 		controlled->StopAnimation();
 		moveTimer.Clear();
 	}
@@ -136,26 +124,146 @@ void MapState::OnTileLock() {
 	lastLock = nowLock;
 }
 
+bool MapState::CheckBlocking() const {
+	const Tile &tile(map->TileAt(controlled->Position()));
+	Vector<int> nextPosition;
+	switch (nextDirection) {
+		case Entity::ORIENTATION_NORTH:
+			if (tile.BlocksNorth()) {
+				return true;
+			} else {
+				nextPosition = Vector<int>(
+						controlled->Position().X(),
+						controlled->Position().Y() - map->Tileset()->Height());
+			}
+			break;
+		case Entity::ORIENTATION_EAST:
+			if (tile.BlocksEast()) {
+				return true;
+			} else {
+				nextPosition = Vector<int>(
+						controlled->Position().X() + map->Tileset()->Width(),
+						controlled->Position().Y());
+			}
+			break;
+		case Entity::ORIENTATION_SOUTH:
+			if (tile.BlocksSouth()) {
+				return true;
+			} else {
+				nextPosition = Vector<int>(
+						controlled->Position().X(),
+						controlled->Position().Y() + map->Tileset()->Height());
+			}
+			break;
+		case Entity::ORIENTATION_WEST:
+			if (tile.BlocksWest()) {
+				return true;
+			} else {
+				nextPosition = Vector<int>(
+						controlled->Position().X() - map->Tileset()->Width(),
+						controlled->Position().Y());
+			}
+			break;
+		default:
+			return false;
+	}
+	Vector<int> nextTileCoords(map->TileCoordinates(nextPosition));
+	for (std::vector<Entity *>::const_iterator i(entities.begin()), end(entities.end()); i != end; ++i) {
+		const Entity &e(**i);
+		if (map->TileCoordinates(e.Position()) == nextTileCoords && e.Blocking()) {
+			return true;
+		}
+	}
+	return false;
+}
+
 void MapState::OnGridLock() {
+	LockEntities();
+	CheckMonster();
+	CheckTrigger();
+}
+
+void MapState::LockEntities() {
+	for (std::vector<Entity *>::iterator i(entities.begin()), end(entities.end()); i != end; ++i) {
+		if (*i == controlled) {
+			// don't lock player
+			continue;
+		}
+		(*i)->Position().Lock(map->Tileset()->Size());
+	}
+}
+
+void MapState::CheckMonster() {
+	Vector<int> coords(map->TileCoordinates(controlled->Position()));
+	Vector<int> neighbor[4];
+	neighbor[0] = Vector<int>(coords.X() - 1, coords.Y()); // W
+	neighbor[1] = Vector<int>(coords.X(), coords.Y() + 1); // S
+	neighbor[2] = Vector<int>(coords.X() + 1, coords.Y()); // E
+	neighbor[3] = Vector<int>(coords.X(), coords.Y() - 1); // N
+
+	for (int i(0); i < 4; ++i) {
+		for (std::vector<Entity *>::iterator e(entities.begin()), end(entities.end()); e != end; ++e) {
+			if ((*e)->Hostile() && map->TileCoordinates((*e)->Position()) == neighbor[i]) {
+				// remove entity, push battle state and transition and halt all other activity
+			}
+		}
+	}
+}
+
+void MapState::CheckTrigger() {
 	Trigger *trigger(map->TriggerAt(Vector<int>(controlled->Position())));
 	if (trigger) {
 		// TODO: run trigger
 	}
-	// TODO: check for adjacent monsters
-	// TODO: force all entities into their grid positions?
+
 }
 
-void MapState::OnMove() {
+void MapState::OnMove(bool realMove) {
 	// TODO: evaluate monster movements
-	UpdateFollower(controlled);
+	if (realMove) {
+		UpdateFollower(*controlled);
+	} else {
+		StopFollowers(*controlled);
+	}
 }
 
-void MapState::UpdateFollower(Entity *e) {
-	if (!e->Follower()) return;
-	UpdateFollower(e->Follower());
+void MapState::UpdateFollower(Entity &e) {
+	if (!e.Follower()) return;
+
+	Entity &f(*e.Follower());
+	UpdateFollower(f);
+
+	Vector<int> coords(map->TileCoordinates(e.Position()));
+	Vector<int> fCoords(map->TileCoordinates(f.Position()));
+	Vector<int> direction(coords - fCoords);
+
+	if (direction.Y() < 0) {
+		f.SetOrientation(Entity::ORIENTATION_NORTH);
+		f.SetSpeed(walkingSpeed);
+		f.StartAnimation(*this);
+	} else if (direction.X() > 0) {
+		f.SetOrientation(Entity::ORIENTATION_EAST);
+		f.SetSpeed(walkingSpeed);
+		f.StartAnimation(*this);
+	} else if (direction.Y() > 0) {
+		f.SetOrientation(Entity::ORIENTATION_SOUTH);
+		f.SetSpeed(walkingSpeed);
+		f.StartAnimation(*this);
+	} else if (direction.X() < 0) {
+		f.SetOrientation(Entity::ORIENTATION_WEST);
+		f.SetSpeed(walkingSpeed);
+		f.StartAnimation(*this);
+	} else {
+		f.SetSpeed(0.0f);
+		f.StopAnimation();
+	}
+}
 
-	e->Follower()->SetOrientation(e->GetOrientation());
-	// TODO: set follower speed
+void MapState::StopFollowers(Entity &e) {
+	for (Entity *f(e.Follower()); f; f = f->Follower()) {
+		f->SetSpeed(0.0f);
+		f->StopAnimation();
+	}
 }