From dab37ddefff08edbf9057dc7e422f9dadc08c9be Mon Sep 17 00:00:00 2001
From: Camden Dixie O'Brien <cdo@wip.sh>
Date: Tue, 31 Dec 2024 20:07:37 +0000
Subject: [PATCH] Update impassable tiles

---
 app/main.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/app/main.c b/app/main.c
index 699d264..8380237 100644
--- a/app/main.c
+++ b/app/main.c
@@ -91,7 +91,10 @@ static unsigned map[MAPNLAYERS][MAPWIDTH][MAPHEIGHT];
 static SDL_Texture *tstex, *pidle, *pwalk;
 static input_state_t input;
 static dvec_t vpos = { -128, -96 };
-static const unsigned impassable[] = { 284 };
+static const unsigned impassable[] = {
+	284, 485, 486, 525, 527, 566, 567, 731,
+	768, 770, 771, 804, 805, 806, 808, 845,
+};
 
 static inline double mag(dvec_t v)
 {
@@ -115,10 +118,12 @@ static inline unsigned tileat(int layeridx, double x, double y)
 
 static inline bool tilepassable(int x, int y)
 {
-	const unsigned id = tileat(0, x, y);
-	for (unsigned i = 0; i < NELEMS(impassable); ++i) {
-		if (impassable[i] == id)
-			return false;
+	for (unsigned l = 0; l < MAPNLAYERS; ++l) {
+		const unsigned id = tileat(l, x, y);
+		for (unsigned i = 0; i < NELEMS(impassable); ++i) {
+			if (impassable[i] == id)
+				return false;
+		}
 	}
 	return true;
 }