X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fai%2Fai.cpp;h=8cd4f1411abb1b9b21be99edb5e679a947c1c4e9;hb=cda510e480aba3702e95059163378822ccac8d17;hp=5f5474b5f3320030e2f7e902badbb86c58328a79;hpb=d2fa8ca97d291508ce3812fb052a8255d3190d00;p=blank.git

diff --git a/src/ai/ai.cpp b/src/ai/ai.cpp
index 5f5474b..8cd4f14 100644
--- a/src/ai/ai.cpp
+++ b/src/ai/ai.cpp
@@ -20,23 +20,26 @@ Chaser::Chaser(World &world, Entity &ctrl, Entity &tgt) noexcept
 , flee_speed(-0.005f)
 , stop_dist(10)
 , flee_dist(5) {
-
+	tgt.Ref();
 }
 
 Chaser::~Chaser() {
-
+	tgt.UnRef();
 }
 
 void Chaser::Update(int dt) {
 	glm::vec3 diff(Target().AbsoluteDifference(Controlled()));
 	float dist = length(diff);
+	if (dist < std::numeric_limits<float>::epsilon()) {
+		Controlled().Velocity(glm::vec3(0.0f));
+		return;
+	}
 	glm::vec3 norm_diff(diff / dist);
 
 	bool line_of_sight = true;
-	// FIXME: this only works if target is in the reference chunk (which is true for the player)
 	Ray aim{Target().Position() - diff, norm_diff};
 	WorldCollision coll;
-	if (world.Intersection(aim, glm::mat4(1.0f), coll)) {
+	if (world.Intersection(aim, glm::mat4(1.0f), Target().ChunkCoords(), coll)) {
 		line_of_sight = coll.depth > dist;
 	}
 
@@ -54,16 +57,17 @@ void Chaser::Update(int dt) {
 
 Controller::Controller(Entity &e) noexcept
 : entity(e) {
-
+	entity.Ref();
 }
 
 Controller::~Controller() {
-
+	entity.UnRef();
 }
 
 
-RandomWalk::RandomWalk(Entity &e) noexcept
+RandomWalk::RandomWalk(Entity &e, std::uint64_t seed) noexcept
 : Controller(e)
+, random(seed)
 , time_left(0) {
 
 }
@@ -75,13 +79,13 @@ RandomWalk::~RandomWalk() {
 void RandomWalk::Update(int dt) {
 	time_left -= dt;
 	if (time_left > 0) return;
-	time_left += 2500 + (rand() % 5000);
+	time_left += 2500 + (random.Next<unsigned short>() % 5000);
 
 	constexpr float move_vel = 0.0005f;
 
 	glm::vec3 new_vel = Controlled().Velocity();
 
-	switch (rand() % 9) {
+	switch (random.Next<unsigned char>() % 9) {
 		case 0:
 			new_vel.x = -move_vel;
 			break;