]> git.localhorst.tv Git - blank.git/blobdiff - src/ai/Spawner.cpp
glm backwards compatibility
[blank.git] / src / ai / Spawner.cpp
index 5b54c3eb56cd03dbb827f20bc754db5dbfb55a26..2c5a94ca117e0d4c94175d4484a0eddeaef11f82 100644 (file)
@@ -1,83 +1,85 @@
 #include "Spawner.hpp"
 
-#include "Chaser.hpp"
-#include "RandomWalk.hpp"
-#include "../model/shapes.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/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()
+, models(models)
+, entities()
 , timer(64)
 , despawn_range(128 * 128)
 , spawn_distance(16 * 16)
-, max_entities(16)
-, chunk_range(4) {
-       EntityModel::Buffer buf;
-       {
-               CuboidShape shape({{ -0.25f, -0.5f, -0.25f }, { 0.25f, 0.5f, 0.25f }});
-               shape.Vertices(buf, 1.0f);
-               buf.colors.resize(shape.VertexCount(), { 1.0f, 1.0f, 0.0f });
-               models[0].Update(buf);
-       }
-       {
-               CuboidShape shape({{ -0.5f, -0.25f, -0.5f }, { 0.5f, 0.25f, 0.5f }});
-               buf.Clear();
-               shape.Vertices(buf, 2.0f);
-               buf.colors.resize(shape.VertexCount(), { 0.0f, 1.0f, 1.0f });
-               models[1].Update(buf);
-       }
-       {
-               StairShape shape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f }}, { 0.4f, 0.4f });
-               buf.Clear();
-               shape.Vertices(buf, 3.0f);
-               buf.colors.resize(shape.VertexCount(), { 1.0f, 0.0f, 1.0f });
-               models[2].Update(buf);
-       }
-
+, max_entities(32)
+, chunk_range(4)
+, model_offset(0)
+, model_length(models.size()) {
        timer.Start();
-       Spawn(world.Player().ChunkCoords(), { 0.5f, 0.5f, 0.5f });
 }
 
 Spawner::~Spawner() {
-       for (auto &ctrl : controllers) {
-               delete ctrl;
+       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) {
        CheckDespawn();
        timer.Update(dt);
        if (timer.Hit()) {
                TrySpawn();
        }
-       for (auto &ctrl : controllers) {
-               ctrl->Update(dt);
-       }
 }
 
 
 void Spawner::CheckDespawn() noexcept {
-       const Entity &reference = world.Player();
-       for (auto iter = controllers.begin(), end = controllers.end(); iter != end;) {
-               Entity &e = (*iter)->Controlled();
+       const auto &refs = world.Players();
+       for (auto iter = entities.begin(), end = entities.end(); iter != end;) {
+               Entity &e = (**iter);
                if (e.Dead()) {
-                       delete *iter;
-                       iter = controllers.erase(iter);
+                       e.UnRef();
+                       iter = entities.erase(iter);
+                       end = entities.end();
                        continue;
                }
-               glm::vec3 diff(reference.AbsoluteDifference(e));
-               if (dot(diff, diff) > despawn_range) {
+               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();
-                       delete *iter;
-                       iter = controllers.erase(iter);
+                       e.UnRef();
+                       iter = entities.erase(iter);
+                       end = entities.end();
                } else {
                        ++iter;
                }
@@ -85,30 +87,27 @@ void Spawner::CheckDespawn() noexcept {
 }
 
 void Spawner::TrySpawn() {
-       if (controllers.size() >= max_entities) return;
-
-       glm::ivec3 chunk(
-               (rand() % (chunk_range * 2 + 1)) - chunk_range,
-               (rand() % (chunk_range * 2 + 1)) - chunk_range,
-               (rand() % (chunk_range * 2 + 1)) - chunk_range
-       );
-
-       glm::ivec3 pos(
-               rand() % Chunk::width,
-               rand() % Chunk::height,
-               rand() % Chunk::depth
-       );
+       if (entities.size() >= max_entities || model_length == 0) return;
+
+       // 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) + world.Player().Position());
-       float dist = dot(diff, diff);
-       if (dist > despawn_range || dist < spawn_distance) {
-               return;
-       }
+       //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
-       BlockLookup spawn_block(&world.PlayerChunk(), chunk * Chunk::Extent() + pos);
        if (!spawn_block || spawn_block.GetType().collide_block) {
                return;
        }
@@ -118,29 +117,24 @@ void Spawner::TrySpawn() {
                return;
        }
 
-       Spawn(world.Player().ChunkCoords() + chunk, glm::vec3(pos) + glm::vec3(0.5f));
+       Spawn(player.GetEntity(), spawn_block.GetChunk().Position(), spawn_block.GetBlockCoords());
 }
 
-void Spawner::Spawn(const glm::ivec3 &chunk, const glm::vec3 &pos) {
-       glm::vec3 rot(0.000001f);
-       rot.x *= (rand() % 1024);
-       rot.y *= (rand() % 1024);
-       rot.z *= (rand() % 1024);
-
+void Spawner::Spawn(Entity &reference, const glm::ivec3 &chunk, const glm::vec3 &pos) {
        Entity &e = world.AddEntity();
-       e.Name("spawned");
        e.Position(chunk, pos);
        e.Bounds({ { -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f } });
        e.WorldCollidable(true);
-       e.GetModel().SetNodeModel(&models[rand() % 3]);
-       e.AngularVelocity(rot);
-       Controller *ctrl;
-       if (rand() % 2) {
-               ctrl = new RandomWalk(e);
-       } else {
-               ctrl = new Chaser(world, e, world.Player());
-       }
-       controllers.emplace_back(ctrl);
+       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];
 }
 
 }