From aea9498a593321a3cb34fa93d3d4734ebd8370c1 Mon Sep 17 00:00:00 2001
From: Paweł Redman <pawel.redman@gmail.com>
Date: Sat, 14 Apr 2018 16:41:55 +0200
Subject: Improve path finding slightly.

---
 src/common.hpp     |  1 +
 src/game/game.cpp  | 11 +++++++++++
 src/game/units.cpp |  2 +-
 src/world.cpp      | 12 ++++++++++++
 4 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/common.hpp b/src/common.hpp
index ae4deed..74fa9de 100644
--- a/src/common.hpp
+++ b/src/common.hpp
@@ -150,6 +150,7 @@ namespace world {
 	typedef struct {
 		cflags_t cflags;
 		rectf_t bounds;
+		bool ignore = false;
 	} cmodel_t;
 
 	typedef struct {
diff --git a/src/game/game.cpp b/src/game/game.cpp
index 185e2d1..f71b9d2 100644
--- a/src/game/game.cpp
+++ b/src/game/game.cpp
@@ -270,9 +270,16 @@ static void command_repl(unit_repl_t *repl, v2f_t x, int number)
 
 void state_t::command(v2f_t x, int number)
 {
+	bool unlink;
+
 	if (!selected_units.size())
 		return;
 
+	unlink = (number == COMMAND_MOVE);
+	if (unlink)
+		for (unit_t *unit : selected_units)
+			unit->cmodel.ignore = true;
+
 	for (unit_t *unit : selected_units) {
 		if (unit->dead || !unit->controllable)
 			continue;
@@ -291,6 +298,10 @@ void state_t::command(v2f_t x, int number)
 		default:;
 		}
 	}
+
+	if (unlink)
+		for (unit_t *unit : selected_units)
+			unit->cmodel.ignore = false;
 }
 
 void state_t::pause(void)
diff --git a/src/game/units.cpp b/src/game/units.cpp
index 43e6878..11379cb 100644
--- a/src/game/units.cpp
+++ b/src/game/units.cpp
@@ -177,7 +177,7 @@ bool unit_t::start_moving(v2f_t dst)
 	move.path.clear();
 	move.last_step = x;
 
-	rep.cflags = move.cflags & ~(cmodel.cflags);
+	rep.cflags = move.cflags;
 	rep.bounds = cmodel.bounds;
 
 	if (!world->find_path(x, move.dst, &rep, this, &move.path)) {
diff --git a/src/world.cpp b/src/world.cpp
index d09001c..1066545 100644
--- a/src/world.cpp
+++ b/src/world.cpp
@@ -129,6 +129,9 @@ bool world_t::find_path(v2f_t src, v2f_t dst, cmodel_t *cmodel, entity_t *ignore
 		if (ent == ignore)
 			continue;
 
+		if (ent->cmodel.ignore)
+			continue;
+
 		if (!(ent->cmodel.cflags & cmodel->cflags))
 			continue;
 
@@ -203,6 +206,9 @@ std::list<entity_t*> world_t::get_entities(rectf_t rect, cflags_t cflags)
 
 		ent->cookie = cookie;
 
+		if (ent->cmodel.ignore)
+			continue;
+
 		if (!(ent->cmodel.cflags & cflags))
 			continue;
 
@@ -276,6 +282,9 @@ bool world_t::test_rect(const cmodel_t *cmodel, const entity_t *ignore)
 
 			ent->cookie = cookie;
 
+			if (ent->cmodel.ignore)
+				continue;
+
 			if (!(ent->cmodel.cflags & cmodel->cflags))
 				continue;
 
@@ -407,6 +416,9 @@ trace_t world_t::ray_v_ents(v2f_t start, v2f_t end, cflags_t cflags,
 		if (ent == ignore)
 			continue;
 
+		if (ent->cmodel.ignore)
+			continue;
+
 		trace = ray_v_rect(start, end, ent->cmodel.bounds);
 		if (!trace.hit)
 			continue;
-- 
cgit