From fade55e67e1a6944461c16c1495dea9546243756 Mon Sep 17 00:00:00 2001
From: Paweł Redman <pawel.redman@gmail.com>
Date: Thu, 19 Apr 2018 18:50:39 +0200
Subject: Improve the hivemind.

---
 src/game/game.hpp        |  2 +-
 src/game/unit_nest.cpp   |  6 +++++-
 src/game/unit_spider.cpp | 12 +++++++-----
 src/game/units.cpp       |  9 ++++++---
 4 files changed, 19 insertions(+), 10 deletions(-)

(limited to 'src/game')

diff --git a/src/game/game.hpp b/src/game/game.hpp
index 089faf0..6d6a80b 100644
--- a/src/game/game.hpp
+++ b/src/game/game.hpp
@@ -168,7 +168,7 @@ namespace game {
 	class fx_aim_marker_t;
 
 	unit_t *find_target(world::world_t *world, v2f_t x, float r, bool friendly);
-	void hivemind_attack(unit_t *source, v2f_t target);
+	void hivemind_attack(unit_t *source, bool have_target, v2f_t target);
 
 	class unit_t : public entity_t {
 	protected:
diff --git a/src/game/unit_nest.cpp b/src/game/unit_nest.cpp
index 5890d34..89846c2 100644
--- a/src/game/unit_nest.cpp
+++ b/src/game/unit_nest.cpp
@@ -82,13 +82,17 @@ void unit_nest_t::on_spawn(void)
 void unit_nest_t::on_damage(unit_t *attacker)
 {
 	if (attacker)
-		hivemind_attack(this, attacker->x);
+		hivemind_attack(this, true, attacker->x);
+	else
+		hivemind_attack(this, false, v2f_t(0, 0));
 
 	assets::nest.pain.play_3d(x);
 }
 
 void unit_nest_t::on_death(void)
 {
+	hivemind_attack(this, false, v2f_t(0, 0));
+
 	render_layer = render::LAYER_FLAT;
 	cmodel.cflags = CF_BACKGROUND;
 	assets::nest.death.play_3d(x);
diff --git a/src/game/unit_spider.cpp b/src/game/unit_spider.cpp
index 5d6253d..7d4d0a1 100644
--- a/src/game/unit_spider.cpp
+++ b/src/game/unit_spider.cpp
@@ -53,7 +53,7 @@ void unit_spider_t::target_and_attack(void)
 
 	// Tell everyone about a new target.
 	if (!have_target)
-		hivemind_attack(this, target->x);
+		hivemind_attack(this, true, target->x);
 
 	have_target = true;
 	wake_time = game->time;
@@ -103,14 +103,16 @@ void unit_spider_t::on_damage(unit_t *attacker)
 {
 	assets::spider.sounds.play_3d(x);
 
-	if (!attacker)
-		return;
-
-	hivemind_attack(this, attacker->x);
+	if (attacker)
+		hivemind_attack(this, true, attacker->x);
+	else
+		hivemind_attack(this, false, v2f_t(0, 0));
 }
 
 void unit_spider_t::on_death(void)
 {
+	hivemind_attack(this, false, v2f_t(0, 0));
+
 	if (health < -5) {
 		assets::soldier.gib_sound.play_3d(x);
 		game->deletion_list.insert(this);
diff --git a/src/game/units.cpp b/src/game/units.cpp
index 11379cb..968e93e 100644
--- a/src/game/units.cpp
+++ b/src/game/units.cpp
@@ -288,13 +288,13 @@ void unit_t::random_walk(void)
 	move.random_walk_time = game->time;
 }
 
-void hivemind_attack(unit_t *source, v2f_t target)
+void hivemind_attack(unit_t *source, bool have_target, v2f_t target)
 {
 	rectf_t search;
 	std::list<world::entity_t*> ents;
 
-	search[0] = source->x - v2f_t(5, 5);
-	search[1] = source->x + v2f_t(5, 5);
+	search[0] = source->x - v2f_t(12, 12);
+	search[1] = source->x + v2f_t(12, 12);
 
 	ents = source->game->world.get_entities(search, CF_BODY_SMALL);
 
@@ -314,6 +314,9 @@ void hivemind_attack(unit_t *source, v2f_t target)
 
 		unit->wake();
 
+		if (!have_target)
+			continue;
+
 		// Move towards the target if it's close, otherwise walk
 		// randomly to avoid fire.
 		if ((unit->x - target).len() > 25.0f)
-- 
cgit