/*
   base/jumppoint.cc
   This file is part of the Osirion project and is distributed under
   the terms and conditions of the GNU General Public License version 2
*/

#include "base/game.h"
#include "base/jumppoint.h"

namespace game
{

/* ---- class JumpPoint -------------------------------------------- */

JumpPoint::JumpPoint() : core::EntityDynamic()
{
	entity_shape = core::Entity::Diamond;
	get_color().assign(0.0f, 0.8f, 0.8f, 1.0f);
	get_color_second().assign(0.6f, 1.0f);
	set_radius(0.25f);
	set_flag(core::Entity::Bright);
	// FIXME jumppoints should be harder to find
	set_flag(core::Entity::ShowOnMap);

	entity_moduletypeid = jumppoint_enttype;
	jumppoint_target = 0;
	set_serverside(false);
}

JumpPoint::~JumpPoint()
{
}

void JumpPoint::set_targetlabel(const std::string &label)
{
	jumppoint_targetlabel.assign(label);
}

void JumpPoint::validate()
{
	jumppoint_target = 0;

	if (targetlabel().size() < 3) {
		con_warn << "  Jumppoint with invalid target label '" << targetlabel() << "'\n";
		return;
	}
	size_t pos = targetlabel().find(':');
	if ((pos < 1) || (pos >= (targetlabel().size() - 1))) {
		con_warn << "  Jumppoint with invalid target label '" << targetlabel() << "'\n";
		return;
	}

	std::string zonelabel(targetlabel().substr(0, pos));
	std::string entitylabel(targetlabel().substr(pos + 1, targetlabel().size() - pos));

	core::Zone *targetzone = core::Zone::find(zonelabel);
	if (!targetzone) {
		con_warn << "  Jumppoint with invalid target zone '" << zonelabel << "'\n";
		return;
	}

	core::Entity *targetentity = targetzone->find_entity(entitylabel);
	if (!targetentity) {
		con_warn << "  Could not find target jumppoint '" << entitylabel << "' in zone '" << zonelabel << "'\n";
		return;
	}

	if ((targetentity->moduletype() != jumppoint_enttype) && (targetentity->moduletype() != jumpgate_enttype)) {
		con_warn << "  Jumppoint with invalid target jumppoint '" << entitylabel << "' in zone '" << zonelabel << "'\n";
		return;
	}

	jumppoint_target = static_cast<JumpPoint *>(targetentity);

	con_debug << "  jumppoint to " << targetzone->label() << std::endl;
	//con_debug << "  Jumppoint " << zone->label() << ":" << label() << " with target " << targetlabel() << std::endl;
}

/* ---- class JumpGate --------------------------------------------- */

JumpGate::JumpGate() : JumpPoint()
{
	unset_flag(core::Entity::Bright);
	set_flag(core::Entity::ShowOnMap);
	set_radius(1.0f);

	entity_moduletypeid = jumpgate_enttype;
	entity_state = core::Entity::NoPower;

	jumpgate_timer = 0;
}

JumpGate::~JumpGate()
{
}

void JumpGate::validate()
{
	JumpPoint::validate();
	if (target()) {
		set_flag(core::Entity::Dockable);
	} else {
		unset_flag(core::Entity::Dockable);
	}
}

void JumpGate::func_dock(Ship *ship)
{
	if (target()) {
		if (activated()) {
			if (ship->owner())
				ship->owner()->send("Jumpgate in use");
			return;
		}

		ship->initiate_jump(this);
		activate();
		if (target()->moduletype() == jumpgate_enttype) {
			static_cast<JumpGate *>(target())->activate();
		}

		if (ship->owner() && ship->owner()->control() == ship) {
			ship->owner()->set_view(this);
		}
	} else {
		if (ship->owner())
			ship->owner()->send("Jumpgate inactive");
		return;
	}
}

void JumpGate::activate()
{
	jumpgate_timer = jump_timer_delay;
	set_state(core::Entity::Normal);
}

void JumpGate::frame(float elapsed)
{
	if (jumpgate_timer > 0) {
		jumpgate_timer -= elapsed;

		if (jumpgate_timer < 0) {
			set_state(core::Entity::NoPower);
			jumpgate_timer = 0;
		}
	}
}

}