From cabac13012ab18e1e9a944073e45083cd1debfba Mon Sep 17 00:00:00 2001
From: zhenyan121 <3367366583@qq.com>
Date: Sat, 14 Mar 2026 18:08:59 +0800
Subject: [PATCH] feat: prevent block placement at player's position

---
 src/gameplay/player.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/gameplay/player.cpp b/src/gameplay/player.cpp
index 8f521e7..c3d0e5e 100644
--- a/src/gameplay/player.cpp
+++ b/src/gameplay/player.cpp
@@ -177,7 +177,12 @@ void Player::update(float delta_time) {
         if (Input::get_input_state().mouse_state.right) {
             glm::ivec3 near_pos = m_look_block->pos + m_look_block->normal;
             if (!m_world.is_block(near_pos)) {
-                m_world.set_block(near_pos, 1);
+                glm::ivec3 p_pos = glm::floor(m_player_pos);
+                p_pos.y += 1;
+                if ((near_pos != p_pos) && (near_pos != (p_pos + glm::ivec3(0 ,1, 0)))) {
+                    m_world.set_block(near_pos, 1);
+                }
+                
             }
             Input::get_input_state().mouse_state.right = false;
         }