From f6b478403e73c9d85f32d6ab6014bb45f82dd503 Mon Sep 17 00:00:00 2001
From: Paweł Redman <pawel.redman@gmail.com>
Date: Sat, 21 Apr 2018 14:56:23 +0200
Subject: Redo how explosions deal damage.

---
 src/game/effects.cpp |  2 --
 src/game/game.cpp    | 38 +++++++++++++++++++++-----------------
 src/game/rocket.cpp  |  1 +
 3 files changed, 22 insertions(+), 19 deletions(-)

(limited to 'src/game')

diff --git a/src/game/effects.cpp b/src/game/effects.cpp
index b69647c..858da5a 100644
--- a/src/game/effects.cpp
+++ b/src/game/effects.cpp
@@ -174,8 +174,6 @@ fx_explosion_t::fx_explosion_t(state_t *game_, v2f_t x_) : effect_t(game_)
 
 	flash = new fx_flash_t(game, x, 5.0f, sf::Color(255, 255, 170, 255));
 	flash->place(&game->world);
-
-	game->hivemind_alert(x, 20.0f, false, v2f_t(0, 0));
 }
 
 void fx_explosion_t::render_to(render::state_t *render)
diff --git a/src/game/game.cpp b/src/game/game.cpp
index 72aabf2..361fa83 100644
--- a/src/game/game.cpp
+++ b/src/game/game.cpp
@@ -431,33 +431,37 @@ void state_t::compute_ambience(render::state_t *render)
 void state_t::explosion(v2f_t x)
 {
 	fx_explosion_t *explosion;
+	const float r = 5.0f;
+	rectf_t rect;
 
-	explosion = new fx_explosion_t(this, x);
-	explosion->place(&world);
+	rect[0] = x - v2f_t(r, r);
+	rect[1] = x + v2f_t(r, r);
 
-	for (size_t i = 0; i < 60; i++) {
-		v2f_t end;
+	for (world::entity_t *ent : world.get_entities(rect, -1)) {
+		v2f_t center;
+		float dist, damage;
 		world::trace_t trace;
-		fx_tracer_t *tracer;
-		entity_t *ent;
-		int damage;
+		entity_t *g_ent;
 
-		end = x + prng.unit_vec2() * 6.0f;
-		trace = world.ray_v_all(x, end, CF_SURFACE|CF_SOLID|CF_BODY|CF_BODY_SMALL|CF_DECOS, nullptr);
+		center = ent->cmodel.bounds.center();
 
-		tracer = new fx_tracer_t(this, x, trace.end);
-		tracer->place(&world);
-
-		if (!trace.hit)
+		dist = (center - x).len();
+		if (dist > r)
 			continue;
 
-		if (!trace.ent)
+		trace = world.ray_v_all(x, center, CF_SOLID, ent);
+		if (trace.frac < 1.0f)
 			continue;
 
-		ent = dynamic_cast<entity_t*>(trace.ent);
-		damage = pow(1 - trace.frac, 2.0f) * 20.0f;
-		ent->damage(damage, nullptr);
+		damage = clamp(40.0f / dist, 0.0f, 1000.0f);
+		g_ent = dynamic_cast<entity_t*>(ent);
+		g_ent->damage((int)damage, nullptr);
 	}
+
+	explosion = new fx_explosion_t(this, x);
+	explosion->place(&world);
+
+	hivemind_alert(x, 20.0f, false, v2f_t(0, 0));
 }
 
 } //namespace game
diff --git a/src/game/rocket.cpp b/src/game/rocket.cpp
index 5310922..ccdc788 100644
--- a/src/game/rocket.cpp
+++ b/src/game/rocket.cpp
@@ -64,6 +64,7 @@ void rocket_t::on_think(void)
 			bullet_miss = new fx_bullet_miss_t(game, trace.end, true);
 			bullet_miss->place(world);
 		} else {
+			cmodel.ignore = true;
 			game->explosion(trace.end);
 		}
 
-- 
cgit