From 2562604c2c0de321b67317f315a52335a60b708f Mon Sep 17 00:00:00 2001
From: John Tsiombikas <nuclear@member.fsf.org>
Date: Fri, 17 Sep 2021 00:18:41 +0300
Subject: [PATCH] starts to sortof look like a dungeon if you squint

---
 src/level.c |    8 ++++----
 src/mesh.c  |    8 +++++---
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/level.c b/src/level.c
index ced5b69..383ebb5 100644
--- a/src/level.c
+++ b/src/level.c
@@ -109,16 +109,16 @@ int load_level(struct level *lvl, const char *fname)
 			node = (struct ts_node*)cell->next;
 			cell->next = 0;
 
-			if(j <= 0 || cell[-1].type == CELL_SOLID) {
+			if(i >= lvl->height - 1 || cell[lvl->width].type == CELL_SOLID) {
 				cell->wall[0] = TILE_STRAIGHT;
 			}
-			if(i <= 0 || cell[-lvl->width].type == CELL_SOLID) {
+			if(j >= lvl->width - 1 || cell[1].type == CELL_SOLID) {
 				cell->wall[1] = TILE_STRAIGHT;
 			}
-			if(j >= lvl->width - 1 || cell[1].type == CELL_SOLID) {
+			if(i <= 0 || cell[-lvl->width].type == CELL_SOLID) {
 				cell->wall[2] = TILE_STRAIGHT;
 			}
-			if(i >= lvl->height - 1 || cell[lvl->width].type == CELL_SOLID) {
+			if(j <= 0 || cell[-1].type == CELL_SOLID) {
 				cell->wall[3] = TILE_STRAIGHT;
 			}
 
diff --git a/src/mesh.c b/src/mesh.c
index dbafcbd..9f208a4 100644
--- a/src/mesh.c
+++ b/src/mesh.c
@@ -302,7 +302,7 @@ static int update_mesh_vbo(struct mesh *m)
 
 static int update_meshgroup_vbo(struct meshgroup *mg)
 {
-	int i;
+	int i, j, idx0 = 0;
 	struct vertex *varr, *vptr;
 	unsigned int *iarr = 0, *iptr;
 	struct mesh *m;
@@ -337,8 +337,10 @@ static int update_meshgroup_vbo(struct meshgroup *mg)
 		vptr += m->num_verts;
 
 		if(iarr) {
-			memcpy(iptr, m->iarr, m->num_idx * sizeof *iptr);
-			iptr += m->num_idx;
+			for(j=0; j<m->num_idx; j++) {
+				*iptr++ = m->iarr[j] + idx0;
+			}
+			idx0 += m->num_idx;
 		}
 	}
 
-- 
1.7.10.4