glm backwards compatibility

[blank.git] / src / ai / Spawner.cpp

diff --git a/src/ai/Spawner.cpp b/src/ai/Spawner.cpp
index d97aa861152b8bc73718f9e81b0f1778ae6fe11f..2c5a94ca117e0d4c94175d4484a0eddeaef11f82 100644 (file)
--- a/src/ai/Spawner.cpp
+++ b/src/ai/Spawner.cpp
@@ -1,41 +1,140 @@
 #include "Spawner.hpp"
 
-#include "RandomWalk.hpp"
+#include "AIController.hpp"
+
+#include "../model/Model.hpp"
+#include "../model/ModelRegistry.hpp"
+#include "../rand/GaloisLFSR.hpp"
+#include "../world/BlockLookup.hpp"
 #include "../world/BlockType.hpp"
-#include "../world/BlockTypeRegistry.hpp"
+#include "../world/ChunkIndex.hpp"
 #include "../world/Entity.hpp"
 #include "../world/World.hpp"
 
+#include <iostream>
+
+using namespace std;
+
 
 namespace blank {
 
-Spawner::Spawner(World &world)
+Spawner::Spawner(World &world, ModelRegistry &models)
 : world(world)
-, controllers() {
-       Spawn({ 0.0f, 0.0f, 0.0f });
+, models(models)
+, entities()
+, timer(64)
+, despawn_range(128 * 128)
+, spawn_distance(16 * 16)
+, max_entities(32)
+, chunk_range(4)
+, model_offset(0)
+, model_length(models.size()) {
+       timer.Start();
 }
 
 Spawner::~Spawner() {
-
+       for (Entity *e : entities) {
+               e->UnRef();
+       }
 }
 
 
+void Spawner::LimitModels(size_t begin, size_t end) {
+       if (begin >= models.size() || end > models.size() || begin >= end) {
+               cout << "warning, models limit out of bounds or invalid range given" << endl;
+       } else {
+               model_offset = begin;
+               model_length = end - begin;
+       }
+}
+
 void Spawner::Update(int dt) {
-       for (auto &ctrl : controllers) {
-               ctrl.Update(dt);
+       CheckDespawn();
+       timer.Update(dt);
+       if (timer.Hit()) {
+               TrySpawn();
+       }
+}
+
+
+void Spawner::CheckDespawn() noexcept {
+       const auto &refs = world.Players();
+       for (auto iter = entities.begin(), end = entities.end(); iter != end;) {
+               Entity &e = (**iter);
+               if (e.Dead()) {
+                       e.UnRef();
+                       iter = entities.erase(iter);
+                       end = entities.end();
+                       continue;
+               }
+               bool safe = false;
+               for (const Player &ref : refs) {
+                       glm::vec3 diff(ref.GetEntity().AbsoluteDifference(e));
+                       if (glm::length2(diff) < despawn_range) {
+                               safe = true;
+                               break;
+                       }
+               }
+               if (!safe) {
+                       e.Kill();
+                       e.UnRef();
+                       iter = entities.erase(iter);
+                       end = entities.end();
+               } else {
+                       ++iter;
+               }
        }
 }
 
+void Spawner::TrySpawn() {
+       if (entities.size() >= max_entities || model_length == 0) return;
 
-void Spawner::Spawn(const glm::vec3 &pos) {
+       // select random player to punish
+       auto &players = world.Players();
+       if (players.size() == 0) return;
+       size_t player_num = world.Random().Next<unsigned short>() % players.size();
+       auto i = players.begin(), end = players.end();
+       for (; player_num > 0 && i != end; ++i, --player_num) {
+       }
+       const Player &player = *i;
+
+       BlockLookup spawn_block(player.GetChunks().RandomBlock(world.Random()));
+
+       // distance check
+       //glm::vec3 diff(glm::vec3(chunk * Chunk::Extent() - pos) + player.entity->Position());
+       //float dist = dot(diff, diff);
+       //if (dist > despawn_range || dist < spawn_distance) {
+       //      return;
+       //}
+
+       // check if the spawn block and the one above it are loaded and inhabitable
+       if (!spawn_block || spawn_block.GetType().collide_block) {
+               return;
+       }
+
+       BlockLookup head_block(spawn_block.Next(Block::FACE_UP));
+       if (!head_block || head_block.GetType().collide_block) {
+               return;
+       }
+
+       Spawn(player.GetEntity(), spawn_block.GetChunk().Position(), spawn_block.GetBlockCoords());
+}
+
+void Spawner::Spawn(Entity &reference, const glm::ivec3 &chunk, const glm::vec3 &pos) {
        Entity &e = world.AddEntity();
-       e.Name("test");
-       e.Position(pos);
+       e.Position(chunk, pos);
        e.Bounds({ { -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f } });
        e.WorldCollidable(true);
-       e.SetShape(world.BlockTypes()[1].shape, { 1.0f, 1.0f, 0.0f });
-       e.AngularVelocity(glm::quat(glm::vec3{ 0.00001f, 0.000006f, 0.000013f }));
-       controllers.emplace_back(e);
+       RandomModel().Instantiate(e.GetModel());
+       e.SetController(new AIController(world, e));
+       e.Name("spawned");
+       e.Ref();
+       entities.emplace_back(&e);
+}
+
+Model &Spawner::RandomModel() noexcept {
+       std::size_t offset = (world.Random().Next<std::size_t>() % model_length) + model_offset;
+       return models[offset];
 }
 
 }