jumpdrive countdown

3 files changed, 110 insertions, 44 deletions

diff --git a/src/game/game.cc b/src/game/game.cc
index 2f5490f..f95a8ff 100644
--- a/src/game/game.cc
+++ b/src/game/game.cc
@@ -142,45 +142,10 @@ void func_jump(core::Player *player, std::string const &args)
 {
 	if (!player->control())
 		return;
-
 	if (!player->control()->moduletype() == ship_enttype)
 		return;
-
 	Ship * ship = static_cast<Ship *>(player->control());
-
-	if (!ship->jumpdrive()) {
-		core::server()->send(player, "Your ship is not equiped with a jumpdrive");
-		return;
-	}
-	std::string target;
-	std::istringstream is(args);
-	if (!(is >> target)) {
-		std::string helpstr;
-		for (core::Zone::Registry::iterator it = core::Zone::registry().begin(); it != core::Zone::registry().end(); it++) {
-			core::Zone *zone = (*it).second;
-			if (helpstr.size())
-				helpstr.append("^N|^B");
-			helpstr.append(zone->label());
-		}
-
-		core::server()->send(player, "Usage: jump [^B" + helpstr + "^N]");
-		return;
-	}
-
-	aux::to_lowercase(target);
-	core::Zone *zone = core::Zone::find_zone(target);
-	if (!zone) {
-		core::server()->send(player, "Unknown system '" + target + '\'');
-		return;
-	}
-
-	if (zone == player->control()->zone())
-		return;
-
-	core::server()->send(player, "Jumping to '" + zone->name() + '\'');
-
-	player->control()->set_zone(zone);
-	player->set_zone(zone);
+	ship->jump(args);
 }
 
 /* ---- The Game class --------------------------------------------- */
diff --git a/src/game/ship.cc b/src/game/ship.cc
index 007b841..d502260 100644
--- a/src/game/ship.cc
+++ b/src/game/ship.cc
@@ -5,6 +5,8 @@
 */
 
 // project headers
+#include "auxiliary/functions.h"
+#include "core/gameserver.h"
 #include "game/game.h"
 #include "game/ship.h"
 #include "math/mathlib.h"
@@ -37,6 +39,10 @@ Ship::Ship(core::Player *owner, ShipModel *shipmodel) :
 
 	ship_shipmodel = shipmodel;
 	ship_jumpdrive = shipmodel->shipmodel_jumpdrive;
+	ship_jumpdrive_activated = 0;
+	ship_jumptargetzone = 0;
+
+	ship_countdown = 0;
 }
 
 Ship::~Ship() 
@@ -44,6 +50,58 @@ Ship::~Ship()
 
 }
 
+void Ship::jump(std::string const &args)
+{
+	if (!jumpdrive()) {
+		core::server()->send(owner(), "This ship is not equiped with a hyperspace drive!");
+		return;
+	}
+
+	if (ship_jumpdrive_activated) {
+		core::server()->send(owner(), "Jump aborted, hyperspace drive deactivated.");
+		ship_jumpdrive_activated = 0;
+		ship_jumptargetzone = 0;
+		ship_countdown = 0;
+		return;
+	}
+
+	std::string target;
+	std::istringstream is(args);
+	if (!(is >> target)) {
+		std::string helpstr;
+		for (core::Zone::Registry::iterator it = core::Zone::registry().begin(); it != core::Zone::registry().end(); it++) {
+			core::Zone *zone = (*it).second;
+			if (helpstr.size())
+				helpstr.append("^N|^B");
+			helpstr.append(zone->label());
+		}
+
+		core::server()->send(owner(), "Usage: jump [^B" + helpstr + "^N]");
+		return;
+	}
+
+	aux::to_lowercase(target);
+	ship_jumptargetzone = core::Zone::find_zone(target);
+	if (!ship_jumptargetzone) {
+		core::server()->send(owner(), "Unknown system '" + target + '\'');
+		return;
+	}
+
+	if (ship_jumptargetzone == zone()) {
+		core::server()->send(owner(), "Already in '" + ship_jumptargetzone->name() + '\'');
+		ship_jumptargetzone = 0;
+		return;
+	}
+
+	ship_jumpdrive_activated = core::server()->time();
+	ship_countdown = 5;
+
+	std::stringstream msg("");
+	msg << "Hyperspace drive activated. Jumping in " << ship_countdown << "...";
+	core::server()->send(owner(), msg.str());
+
+}
+
 void Ship::frame(float seconds) 
 {
 	const float direction_change_speed = 2;
@@ -51,18 +109,54 @@ void Ship::frame(float seconds)
 	float angle;		// angle in radians	
 	math::Vector3f n;	// normal of a plane
 
+	// jumpdrive
 	// target axis
 	math::Axis target_axis(entity_axis);
 
-	// clamp input values
-	math::clamp(target_thrust, 0.0f, 1.0f);
-	math::clamp(target_pitch, -1.0f, 1.0f);
-	math::clamp(target_roll, -1.0f, 1.0f);
-	math::clamp(target_direction, -1.0f, 1.0f);
+	if (ship_jumpdrive_activated) {
+
+		if (ship_jumpdrive_activated + 1.0f <= core::server()->time()) {
+			ship_countdown -= 1.0f;
+			if (ship_countdown <= 0) {
+				core::server()->send(owner(), "Jumping to '" + ship_jumptargetzone->name() + '\'');
+				set_zone(ship_jumptargetzone);
+				if (owner()->control() == (EntityControlable*) this)
+					owner()->set_zone(ship_jumptargetzone);
+				ship_jumpdrive_activated = 0;
+				ship_jumptargetzone = 0;
+				return;
+			} else {
+				std::stringstream msg("");
+				msg << ship_countdown << "...";
+				core::server()->send(owner(), msg.str());
+				ship_jumpdrive_activated = core::server()->time();
+			}
+		}
+
+		// control is disables while the jumpdrive is activated
+		target_thrust = 0;
+		target_pitch = 0;
+		target_roll = 0;
+		target_direction = 0;
+
+	} else {
+
+		// clamp input values
+		math::clamp(target_thrust, 0.0f, 1.0f);
+		math::clamp(target_pitch, -1.0f, 1.0f);
+		math::clamp(target_roll, -1.0f, 1.0f);
+		math::clamp(target_direction, -1.0f, 1.0f);
+	}
 
 	// update thrust
-	entity_thrust = target_thrust;
+	if (entity_thrust < target_thrust) {
+		entity_thrust += seconds  * 0.5f;
+	} else if (entity_thrust > target_thrust) {
+		entity_thrust -= seconds * 0.5f;
+	}
+	math::clamp(entity_thrust, 0.0f, 1.0f);
 
+	// update roll
 	if (current_target_roll < target_roll) {
 		current_target_roll += direction_change_speed * seconds;
 		if (current_target_roll > target_roll)
@@ -98,7 +192,7 @@ void Ship::frame(float seconds)
 		math::clamp(current_target_direction, -1.0f, 1.0f);
 		target_axis.change_direction(ship_shipmodel->turnspeed() * current_target_direction);
 	} else {
-		//current_target_direction = 0.0f;
+		current_target_direction = 0.0f;
 	}
 
 	if (current_target_pitch < target_pitch) {
@@ -115,7 +209,7 @@ void Ship::frame(float seconds)
 		math::clamp(current_target_pitch, -1.0f, 1.0f);
 		target_axis.change_pitch(ship_shipmodel->turnspeed() * current_target_pitch);
 	} else {
-		//current_target_pitch = 0.0f;
+		current_target_pitch = 0.0f;
 	}
 
 	n.assign(math::crossproduct(entity_axis.forward(), target_axis.forward()));
diff --git a/src/game/ship.h b/src/game/ship.h
index bca0857..4d04b62 100644
--- a/src/game/ship.h
+++ b/src/game/ship.h
@@ -27,6 +27,9 @@ public:
 	/// true if the ship is equiped with a jumpdrive
 	inline bool jumpdrive() const { return ship_jumpdrive; }
 
+	/// toggle jump drive activation
+	void jump(std::string const & args);
+
 private:
 	ShipModel		*ship_shipmodel;
 
@@ -35,6 +38,10 @@ private:
 	float 			current_target_roll;
 
 	bool			ship_jumpdrive;
+	float			ship_jumpdrive_activated;
+	core::Zone		*ship_jumptargetzone;
+
+	float			ship_countdown;
 };
 
 }