From 170d953fe26476ad57227de794cc2e5da2cebee5 Mon Sep 17 00:00:00 2001
From: john <johnultrakill00@gmail.com>
Date: Sun, 18 Oct 2026 12:49:24 -0400
Subject: [PATCH] finaliisss

---
 Engine.cpp | 47 ++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 40 insertions(+), 7 deletions(-)

diff --git a/Engine.cpp b/Engine.cpp
index 2945248..d367485 100644
--- a/Engine.cpp
+++ b/Engine.cpp
@@ -130,6 +130,7 @@ void Engine::Initiate()
     Texture* blanktex = new Texture("assets/blanktexture.png");
     Texture* magic = new Texture("assets/itsmagicbitch.jpg");
     Texture* snowflake = new Texture("assets/snowflake.png");
+    Texture* shockwavetex = new Texture("assets/shockwave.png");
     Texture* leontex = new Texture("assets/revolvertex.png");
 
     // ------------------------------------------------------------------------
@@ -191,6 +192,7 @@ void Engine::Initiate()
     struct RemotePlayer {
         Character* character = nullptr;
         double     lastSeen = 0.0;
+        p*         body = nullptr;  // host only: lets the host's cubes collide with this player
     };
     std::map<int, RemotePlayer> remotes;
     auto SpawnRemote = [&]() -> Character* {
@@ -518,7 +520,7 @@ void Engine::Initiate()
 
     Mesh* blastMesh = CreateCubeMesh();
     blastMesh->name = "shockblast";
-    blastMesh->meshTexture = blanktex;
+    blastMesh->meshTexture = shockwavetex;
     blastMesh->t.TranslateTo(hiddenPos);
     blastMesh->BindToRenderSystem();
     mainf->AddChild(blastMesh);
@@ -567,6 +569,15 @@ void Engine::Initiate()
             shockActive = false;
             shockMesh->t.TranslateTo(hiddenPos);
         }
+        else if (lan && lan->IsActive()) {
+            // Another player's blast: launch the cubes (host: the real ones; client: its local copies)
+            for (p* obj : physicsengine->GetObjects()) {
+                bool isCube = false;
+                for (const HostCube& hc : hostCubes) if (obj->pointer == hc.mesh) isCube = true;
+                for (auto& kv : puppetCubes) if (obj->pointer == kv.second.mesh) isCube = true;
+                if (isCube) launch(obj->pointer->t.GetTranslation(), obj);
+            }
+        }
         blastMesh->t.TranslateTo(center);
         blastMesh->t.ScaleTo(glm::vec3(0.5f));
         blastTime = blastShowTime;
@@ -1090,14 +1101,25 @@ void Engine::Initiate()
                     m->t.ScaleTo(1.0f);
                     m->BindToRenderSystem();
                     mainf->AddChild(m);
-                    // Solid for the local player, but moved only by the host's stream (like the floor, never simulated here)
-                    p* cubeBody = new p(m);
-                    cubeBody->velocity = false;
-                    physicsengine->AddObject(cubeBody);
+                    // Simulated locally exactly like the host's cubes (so the local player pushes them with
+                    // no lag); the host's stream below only corrects drift.
+                    physicsengine->AddObject(new p(m));
+                    m->t.TranslateTo(nc.position);
+                    m->t.RotateToQuaternion(nc.rotation);
                     it = puppetCubes.emplace(nc.id, PuppetCube{ m, now }).first;
                 }
-                it->second.mesh->t.TranslateTo(nc.position);
-                it->second.mesh->t.RotateToQuaternion(nc.rotation);
+                else {
+                    t& ct = it->second.mesh->t;
+                    const glm::vec3 err = nc.position - ct.GetTranslation();
+                    if (glm::length(err) > 3.0f) {
+                        ct.TranslateTo(nc.position);
+                        ct.RotateToQuaternion(nc.rotation);
+                    }
+                    else {
+                        ct.TranslateBy(err * 0.35f);
+                        ct.RotateToQuaternion(glm::slerp(ct.GetRotationQuaternion(), nc.rotation, 0.35f));
+                    }
+                }
                 it->second.lastSeen = now;
             }
             for (auto it = puppetCubes.begin(); it != puppetCubes.end();) {
@@ -1128,12 +1150,22 @@ void Engine::Initiate()
                     rp.character = SpawnRemote();
                     rp.character->body->t.TranslateTo(u.state.position);
                     rp.character->body->t.RotateToQuaternion(u.state.rotation);
+                    if (lan->GetMode() == Lan::Mode::Host) {
+                        // Solid for the host's cubes (kinematic: moved by the client's stream only)
+                        rp.body = new p(rp.character->body);
+                        rp.body->velocity = false;
+                        physicsengine->AddObject(rp.body);
+                    }
                     it = remotes.emplace(u.id, rp).first;
                 }
                 else {
                     // Smooth over the 60 Hz updates
                     t& rt = it->second.character->body->t;
+                    const glm::vec3 before = rt.GetTranslation();
                     rt.TranslateTo(glm::mix(rt.GetTranslation(), u.state.position, 0.5f));
+                    // Kinematic body: its velocity makes it push cubes like the client's own body does there
+                    if (it->second.body && deltatime > 0.0f)
+                        it->second.body->linearvelocity = (rt.GetTranslation() - before) / deltatime;
                     rt.RotateToQuaternion(glm::slerp(rt.GetRotationQuaternion(), u.state.rotation, 0.5f));
                 }
                 it->second.lastSeen = now;
@@ -1143,6 +1175,7 @@ void Engine::Initiate()
             for (auto it = remotes.begin(); it != remotes.end();) {
                 if (now - it->second.lastSeen > 2.0) {
                     rendersystem->RemoveRenderable(it->second.character);
+                    if (it->second.body) physicsengine->RemoveObject(it->second.character->body);
                     delete it->second.character;
                     it = remotes.erase(it);
                 }