From 9a16c4b433bba4837bc98a90b446aa0726f0d447 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Tue, 5 Nov 2013 13:17:27 +0000
Subject: Correct a bug where launch timeout is ignored for patrols with only a
 single member, increase dampening for cargo pods, added 'explode' cheat
 function to self-destruct, cleaned up cargo pod eject code, eject cargo on
 ship destruction, added g_cargoloss game variable.

---
 src/game/base/ship.cc | 132 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)

(limited to 'src/game/base/ship.cc')

diff --git a/src/game/base/ship.cc b/src/game/base/ship.cc
index e800c93..cdc860a 100644
--- a/src/game/base/ship.cc
+++ b/src/game/base/ship.cc
@@ -20,6 +20,8 @@
 #include "base/spacemine.h"
 #include "base/jumppoint.h"
 #include "base/racetrack.h"
+#include "base/cargo.h"
+#include "base/cargopod.h"
 
 using math::degrees360f;
 using math::degrees180f;
@@ -307,6 +309,112 @@ JumpPoint * Ship::find_closest_jumppoint()
 	return 0;
 }
 
+void Ship::eject(core::Item *item, const long eject_amount, const bool eject_message)
+{
+	// verify whe have the item in our inventory
+	if (!inventory()->find(item)) {
+		return;
+	}
+	
+	// clamp amount to what's available
+	const long amount = math::min(eject_amount, item->amount());
+	if (amount < 1) {
+		return;
+	}
+	
+	// remove the requested amount
+	item->dec_amount(amount);
+	
+	if (state() == Docked) {
+		
+		if (eject_message && owner()) {
+			std::stringstream msgstr;
+			msgstr << "^BDestroyed " << amount << " " << aux::plural("unit", amount) << " of " << item->info()->name();
+			owner()->send(msgstr.str());
+			owner()->sound("game/eject");
+		}
+	} else {
+		// create cargo pod	
+		CargoPod *pod = new CargoPod();
+		
+		if (item->info()->modelname().size()) {
+			pod->set_name(item->info()->name());
+			/* 
+			// setting item models looks silly, but can be uncommented server-side
+			//pod->set_modelname(item->info()->modelname());
+			*/
+		}
+		
+		// randomize location
+		math::Axis pod_axis;
+		pod_axis.change_direction(math::randomf(360.0f));
+		pod_axis.change_pitch(math::randomf(180.0f));
+		pod_axis.change_roll(math::randomf(360.0f));
+		
+		pod->set_color(color());
+		pod->set_color_second(color_second());
+		pod->set_location(location() + pod_axis.up() * (radius() + pod->radius()));
+		pod->set_axis(pod_axis);
+		pod->set_zone(zone());
+		pod->set_info(item->info());
+		
+		// add loot to inventory
+		pod->add_inventory();
+		pod->inventory()->set_capacity(item->info()->volume() * amount);
+		
+		core::Item *loot = new core::Item(item->info());
+		loot->set_amount(amount);
+		loot->set_flags(item->flags());
+		loot->unset_flag(core::Item::Mounted);
+		
+		pod->inventory()->add(loot);
+		pod->inventory()->set_dirty();
+		
+		if (eject_message && owner()) {
+			std::stringstream msgstr;
+			if (item->unique()) {
+				msgstr << "^BEjected " << item->info()->name();
+			} else {
+				msgstr << "^BEjected " << amount << " " << aux::plural("unit", amount) << " of " << item->info()->name();
+			}
+			owner()->send(msgstr.str());
+			owner()->sound("game/eject");
+		}
+		
+		// reset cargopod physics		
+		pod->reset();
+		
+		assert(pod->body());
+		
+		const float CARGOPOD_SPEED = 0.5f;
+		pod->set_speed(CARGOPOD_SPEED);
+		pod->body()->setLinearVelocity(math::to_btVector3(pod_axis.forward() * CARGOPOD_SPEED));
+	}
+	
+	if (item->amount() == 0) {
+		if (item->has_flag(core::Item::Mounted)) {
+			// unmount
+			core::Slot *slot = 0;
+			
+			for(core::Slots::iterator it = slots()->begin(); (!slot) && (it != slots()->end()); ++it) {
+				if ((*it)->item() == item) {
+					slot = (*it);
+				}
+			}
+		
+			if (slot) {
+				slot->set_item(0);
+				slot->unset_flag(core::Slot::Active);
+				slot->unset_flag(core::Slot::Mounted);
+				item->unset_flag(core::Item::Mounted);	
+			}
+			
+		}
+		inventory()->erase(item->id());
+	}
+	inventory()->set_dirty();
+}
+
 void Ship::explode()
 {
 	target_direction = 0;
@@ -322,10 +430,34 @@ void Ship::explode()
 
 	set_state(core::Entity::Destroyed);	
 	
+	// 100 % cargo loss by default
+	float percentage = 100.0f;
+	
 	if (owner()) {
+		// make the player watch his death
 		if (owner()->control() == this) {
 			owner()->set_view(this);
 		}
+		
+		// cargo loss % is set by the g_cargoloss CVar
+		percentage = Game::g_cargoloss->value();
+		percentage = floorf(percentage);
+		math::clamp(percentage, 0.0f, 100.0f);
+	}
+	
+	if (percentage > 0) {
+		core::Inventory::Items::iterator it = inventory()->items().begin();
+		
+		while (it != inventory()->items().end()) {
+			if ((*it)->info()->type() == Cargo::infotype()) {
+				long loss = (*it)->amount() * ((long) percentage) / 100l;
+				if (loss > 0) {
+					eject((*it++), loss, false);
+					continue;
+				}
+			}
+			++it;
+		}
 	}
 };
 
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