fixed player spawn point

src/files/WorldFiles.cpp

@@ -542,6 +542,12 @@ void WorldFiles::writePlayer(Player* player) {
 	rotarr.put(player->cam.x);
 	rotarr.put(player->cam.y);
 
+	auto& sparr = root.putList("spawnpoint");
+	glm::vec3 spawnpoint = player->getSpawnPoint();
+	sparr.put(spawnpoint.x);
+	sparr.put(spawnpoint.y);
+	sparr.put(spawnpoint.z);
+
 	root.put("flight", player->flight);
 	root.put("noclip", player->noclip);
     root.put("chosen-slot", player->getChosenSlot());
@@ -569,6 +575,17 @@ bool WorldFiles::readPlayer(Player* player) {
 	player->cam.x = rotarr->num(0);
 	player->cam.y = rotarr->num(1);
 
+	if (root->has("spawnpoint")) {
+		auto sparr = root->list("spawnpoint");
+		player->setSpawnPoint(glm::vec3(
+			sparr->num(0),
+			sparr->num(1),
+			sparr->num(2)
+		));
+	} else {
+		player->setSpawnPoint(position);
+	}
+
 	root->flag("flight", player->flight);
 	root->flag("noclip", player->noclip);
     player->setChosenSlot(root->getInt("chosen-slot", player->getChosenSlot()));

src/objects/Player.cpp

@@ -117,12 +117,33 @@ void Player::update(
 
 	input.noclip = false;
 	input.flight = false;
+
+	if (spawnpoint.y <= 0.1) {
+		attemptToFindSpawnpoint(level);
+	}
 }
 
 void Player::teleport(glm::vec3 position) {
 	hitbox->position = position;
 }
 
+void Player::attemptToFindSpawnpoint(Level* level) {
+	glm::vec3 ppos = hitbox->position;
+	glm::vec3 newpos {ppos.x + (rand() % 200 - 100),
+					  rand() % 80 + 100,
+					  ppos.z + (rand() % 200 - 100)};
+	while (newpos.y > 0 && !level->chunks->isObstacleBlock(newpos.x, newpos.y-2, newpos.z)) {
+		newpos.y--;
+	}
+
+	voxel* headvox = level->chunks->get(newpos.x, newpos.y+1, newpos.z);
+	if (level->chunks->isObstacleBlock(newpos.x, newpos.y, newpos.z) ||
+		headvox == nullptr || headvox->id != 0)
+		return;
+	spawnpoint = newpos;
+	teleport(spawnpoint);
+}
+
 void Player::setChosenSlot(int index) {
     chosenSlot = index;
 }
@@ -138,3 +159,11 @@ float Player::getSpeed() const {
 std::shared_ptr<Inventory> Player::getInventory() const {
     return inventory;
 }
+
+void Player::setSpawnPoint(glm::vec3 spawnpoint) {
+	this->spawnpoint = spawnpoint;
+}
+
+glm::vec3 Player::getSpawnPoint() const {
+	return spawnpoint;
+}

src/objects/Player.h

@@ -32,6 +32,7 @@ struct PlayerInput {
 class Player {
     float speed;
     int chosenSlot;
+    glm::vec3 spawnpoint {};
 public:
     std::shared_ptr<Camera> camera, spCamera, tpCamera;
     std::shared_ptr<Camera> currentCamera;
@@ -50,12 +51,17 @@ public:
     void teleport(glm::vec3 position);
     void update(Level* level, PlayerInput& input, float delta);
 
+    void attemptToFindSpawnpoint(Level* level);
+
     void setChosenSlot(int index);
 
     int getChosenSlot() const;
     float getSpeed() const;
     
     std::shared_ptr<Inventory> getInventory() const;
+
+    void setSpawnPoint(glm::vec3 point);
+    glm::vec3 getSpawnPoint() const;
 };
 
 #endif /* SRC_OBJECTS_PLAYER_H_ */