special treatment for players

[blank.git] / src / world / World.cpp

diff --git a/src/world/World.cpp b/src/world/World.cpp
index 592558b303a943e655fac9eec3f43f5dc7471755..06ccb62cfea1f97f0341ac313c3848f9ee81e9a6 100644 (file)
--- a/src/world/World.cpp
+++ b/src/world/World.cpp
@@ -6,6 +6,7 @@
 #include "../graphics/Format.hpp"
 #include "../graphics/Viewport.hpp"
 
+#include <algorithm>
 #include <limits>
 #include <glm/gtx/io.hpp>
 #include <glm/gtx/transform.hpp>
@@ -14,24 +15,35 @@
 namespace blank {
 
 World::World(const BlockTypeRegistry &types, const Config &config, const WorldSave &save)
-: block_type(types)
+: config(config)
+, block_type(types)
 , generate(config.gen)
 , chunks(config.load, types, generate, save)
-, player()
+, players()
 , entities()
 , light_direction(config.light_direction)
 , fog_density(config.fog_density) {
        generate.Space(0);
        generate.Light(13);
        generate.Solids({ 1, 4, 7, 10 });
+}
 
-       player = &AddEntity();
-       player->Name("player");
-       player->Bounds({ { -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f } });
-       player->WorldCollidable(true);
-       player->Position(config.spawn);
 
-       chunks.QueueSurrounding(player->ChunkCoords());
+Entity *World::AddPlayer(const std::string &name) {
+       for (Entity *e : players) {
+               if (e->Name() == name) {
+                       return nullptr;
+               }
+       }
+       Entity &player = AddEntity();
+       player.Name(name);
+       // TODO: load from save file here
+       player.Bounds({ { -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f } });
+       player.WorldCollidable(true);
+       player.Position(config.spawn);
+       players.push_back(&player);
+       chunks.QueueSurrounding(player.ChunkCoords());
+       return &player;
 }
 
 
@@ -42,6 +54,10 @@ struct Candidate {
        float dist;
 };
 
+bool CandidateLess(const Candidate &a, const Candidate &b) {
+       return a.dist < b.dist;
+}
+
 std::vector<Candidate> candidates;
 
 }
@@ -63,6 +79,8 @@ bool World::Intersection(
 
        if (candidates.empty()) return false;
 
+       std::sort(candidates.begin(), candidates.end(), CandidateLess);
+
        coll.chunk = nullptr;
        coll.block = -1;
        coll.depth = std::numeric_limits<float>::infinity();
@@ -126,11 +144,6 @@ bool World::Intersection(const Entity &e, std::vector<WorldCollision> &col) {
 }
 
 
-Chunk &World::PlayerChunk() {
-       return chunks.ForceLoad(player->ChunkCoords());
-}
-
-
 namespace {
 
 std::vector<WorldCollision> col;
@@ -155,7 +168,8 @@ void World::Update(int dt) {
                        ++iter;
                }
        }
-       chunks.Rebase(player->ChunkCoords());
+       // TODO: make flexible
+       chunks.Rebase(players[0]->ChunkCoords());
        chunks.Update(dt);
 }
 
@@ -198,7 +212,7 @@ void World::Render(Viewport &viewport) {
        entity_prog.SetFogDensity(fog_density);
 
        for (Entity &entity : entities) {
-               entity.Render(entity.ChunkTransform(player->ChunkCoords()), entity_prog);
+               entity.Render(entity.ChunkTransform(players[0]->ChunkCoords()), entity_prog);
        }
 }