From 96a0254208c3272ba5f704894e2b6479ddcef372 Mon Sep 17 00:00:00 2001
From: ElnuDev <elnu@elnu.com>
Date: Fri, 4 Mar 2022 14:05:18 -0800
Subject: [PATCH] Add snapping

---
 src/Main.cpp | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/Main.cpp b/src/Main.cpp
index c0da316..8a58cc9 100644
--- a/src/Main.cpp
+++ b/src/Main.cpp
@@ -105,16 +105,36 @@ int main()
 					int global_y = y + block.position.y;
 					if (global_x <= 0 || global_x > GRID_WIDTH || grid[global_y][global_x + movement]) {
 						obstructed = true;
-						goto after_loop;
+						goto after_movement_loop;
 					}
 				}
 			}
 		}
-		after_loop:
+		after_movement_loop:
 		if (!obstructed) {
 			block.position.x += movement;
 		}
 
+		// Snapping
+		if (sf::Keyboard::isKeyPressed(sf::Keyboard::Key::Space)) {
+			while (true) {
+				for (int y = 0; y < 2; y++) {
+					for (int x = 0; x < 4; x++) {
+						if (!block.type->grid[y][x]) {
+							continue;
+						}
+						int global_x = x + block.position.x;
+						int global_y = y + block.position.y;
+						if (global_y == GRID_HEIGHT - 1 || grid[global_y + 1][global_x] != nullptr) {
+							goto after_snap_loop;
+						}
+					}
+				}
+				block.position.y++;
+			}
+		}
+		after_snap_loop:
+
 		// Drawing block and land checking
 		shape.setFillColor(block.type->tile_type->color);
 		bool landed = false;