From e8b487b0d2c1dc622256b89642ac291632f101fc Mon Sep 17 00:00:00 2001
From: Paweł Redman <pawel.redman@gmail.com>
Date: Fri, 20 Apr 2018 13:08:58 +0200
Subject: More improvements to shooting.

---
 src/world.cpp | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

(limited to 'src/world.cpp')

diff --git a/src/world.cpp b/src/world.cpp
index 0d96234..6688e0b 100644
--- a/src/world.cpp
+++ b/src/world.cpp
@@ -433,6 +433,27 @@ trace_t world_t::ray_v_ents(v2f_t start, v2f_t end, cflags_t cflags,
 	return best;
 }
 
+trace_t world_t::point_v_tiles(v2f_t at, cflags_t cflags)
+{
+	tile_index_t index;
+	tile_t *tile;
+	trace_t trace;
+
+	index = tile_index_t(at.floor());
+	tile = get_tile(index, SECTOR_FULL);
+
+	if (tiles[tile->type] & cflags) {
+		trace.hit = true;
+		trace.frac = 0.0f;
+		trace.tile = tile;
+	} else {
+		trace.hit = false;
+		trace.frac = 1.0f;
+	}
+
+	trace.end = at;
+	return trace;
+}
 
 trace_t world_t::ray_v_tiles(v2f_t start, v2f_t end, cflags_t cflags)
 {
@@ -443,12 +464,8 @@ trace_t world_t::ray_v_tiles(v2f_t start, v2f_t end, cflags_t cflags)
 	dx = end - start;
 
 	quad = quadrant(dx);
-	if (quad == 4) {
-		res.hit = false;
-		res.end = end;
-		res.frac = 1.0f;
-		return res;
-	}
+	if (quad == 4)
+		return point_v_tiles(start, cflags);
 
 	start ^= transforms[quad];
 	dx ^= transforms[quad];
-- 
cgit