move base game module to new subdirectory

1 files changed, 464 insertions, 0 deletions

diff --git a/src/game/base/ship.cc b/src/game/base/ship.cc
new file mode 100644
index 0000000..0fdfd3f
--- /dev/null
+++ b/src/game/base/ship.cc
@@ -0,0 +1,464 @@
+/*
+   base/ship.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 <cmath>
+#include <iostream>
+
+#include "auxiliary/functions.h"
+#include "core/gameserver.h"
+#include "core/entity.h"
+#include "base/base.h"
+#include "base/ship.h"
+#include "math/functions.h"
+
+
+
+using math::degrees360f;
+using math::degrees180f;
+
+namespace base {
+
+const float 		MIN_DELTA = 0.000001f;
+
+Ship::Ship(core::Player *owner, ShipModel *shipmodel) :
+	core::EntityControlable(owner, ship_enttype)
+{
+	entity_modelname = "ships/" + shipmodel->modelname();
+	entity_name = shipmodel->name() + ": <^B" + owner->name() + "^N>";
+	entity_label = shipmodel->label();
+
+	entity_moduletypeid = ship_enttype;
+
+	entity_color = owner->color();
+	entity_color_second = owner->color_second();
+
+	ship_shipmodel = shipmodel;
+	ship_jumpdrive = shipmodel->shipmodel_jumpdrive;
+	
+	ship_impulsedrive_timer = 0;
+	ship_jumpdrive_timer = 0;
+
+	reset();
+}
+
+Ship::~Ship() 
+{
+
+}
+
+void Ship::reset()
+{
+	current_target_direction = 0.0f;
+	current_target_pitch = 0.0f;;
+	current_target_roll = 0.0f;
+	current_target_strafe = 0.0f;
+	current_target_afterburner = 0.0f;
+}
+void Ship::impulse()
+{
+	if (entity_eventstate == core::Entity::Jump) {
+		return;
+
+	} else if ((entity_eventstate == core::Entity::Impulse) || (entity_eventstate == core::Entity::ImpulseInitiate)) {
+		entity_eventstate = core::Entity::Normal;
+		
+	} else { 
+
+		if (entity_eventstate == core::Entity::JumpInitiate) {
+			ship_jumpdrive_timer = 0;
+			entity_timer = 0;
+		}
+	
+		entity_eventstate = core::Entity::ImpulseInitiate;
+		if (Base::instance()->g_devel->value()) {
+			entity_timer = 0;
+		} else {
+			entity_timer = 3;
+		}
+		ship_impulsedrive_timer = core::server()->time();
+		entity_dirty = true;
+	}
+
+	entity_dirty = true;
+}
+
+void Ship::jump(std::string const &args)
+{
+	// devel mode provides instant jump access to arbitrary systems
+	if (Base::instance()->g_devel->value() && (args.size())) {
+
+		core::Zone *jumptargetzone = 0;
+		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);
+		jumptargetzone = core::Zone::find_zone(target);
+		if (!jumptargetzone) {
+			core::server()->send(owner(), "Unknown system '" + target + '\'');
+			return;
+		}
+	
+		if (jumptargetzone == zone()) {
+			core::server()->send(owner(), "Already in the " + jumptargetzone->name() + '.');
+			return;
+		}
+		
+		core::server()->send(owner(), "Jumping to the " + jumptargetzone->name());
+		set_zone(jumptargetzone);
+		if (owner()->control() == (EntityControlable*) this)
+			owner()->set_zone(jumptargetzone);
+
+		ship_jumpdrive_timer = 0;
+		entity_timer = 0;
+		entity_eventstate = core::Entity::Jump;
+		entity_dirty = true;
+		return;
+
+	} else {
+		if (!jumpdrive() && !Base::instance()->g_devel->value()) {
+			core::server()->send(owner(), "This ship is not equiped with a hyperspace drive!");
+			return;
+
+		} else 	if (entity_eventstate == core::Entity::Jump) {
+			return;
+
+		} else if (entity_eventstate == core::Entity::JumpInitiate) {
+			core::server()->send(owner(), "Jump aborted, hyperspace drive deactivated.");
+			ship_jumpdrive_timer = 0;
+			entity_timer = 0;
+			entity_eventstate = core::Entity::Normal;
+			return;
+		}
+	
+		if (!find_closest_jumppoint()) {
+			return;
+		}
+
+		entity_eventstate = core::Entity::JumpInitiate;
+		if (Base::instance()->g_devel->value()) {
+			entity_timer = 0;
+		} else {
+			entity_timer = 8;
+		}
+
+		ship_jumpdrive_timer = core::server()->time();
+		entity_dirty = true;
+	}
+}
+
+JumpPoint * Ship::find_closest_jumppoint()
+{
+	// find closest jumppoint
+	float d = -1;
+	JumpPoint *jumppoint = 0;
+	for (core::Zone::Content::iterator it = zone()->content().begin(); it != zone()->content().end(); it++) {
+		core::Entity *entity = (*it);
+		if (entity->moduletype() == jumppoint_enttype) {
+			JumpPoint *te = static_cast<JumpPoint *>(entity);
+			float d1 = math::distance(location(), te->location());
+			if ((d < 0) || (d1 < d)) {
+				d = d1;
+				jumppoint = te;
+			}
+		}
+	}
+	
+	if (jumppoint && jumppoint->target()) {
+		if (Base::instance()->g_jumppointrange->value() < d) {
+			core::server()->send(owner(), "Jumppoint out of range!");
+			return 0;
+		} else {
+			core::server()->send(owner(), "Jumping to the " + jumppoint->target()->zone()->name());
+			return jumppoint;
+		}
+	} else {
+		core::server()->send(owner(), "No jumppoints found!");
+		return 0;
+	}
+	
+	return 0;
+}
+
+void Ship::frame(float seconds) 
+{
+	const float direction_change_speed = 2;
+	float cosangle;		// cosine of an angle
+	float angle;		// angle in radians	
+	math::Vector3f n;	// normal of a plane
+
+	float actual_maxspeed = ship_shipmodel->maxspeed();
+	float actual_turnspeed = ship_shipmodel->turnspeed();
+	float actual_acceleration = ship_shipmodel->acceleration();
+
+	entity_movement = 0;
+
+	// speed might get set to 0 on this update
+	if (entity_speed != 0.0f)
+		entity_dirty = true;
+
+	// jumpdrive
+	// target axis
+	math::Axis target_axis(entity_axis);
+
+	if (entity_eventstate == core::Entity::JumpInitiate) {
+
+		if (ship_jumpdrive_timer + 1.0f <= core::server()->time()) {
+			entity_timer -= 1.0f;
+
+			if (entity_timer <= 0) {
+				JumpPoint *jumppoint = find_closest_jumppoint();
+
+				if (jumppoint) {
+					set_zone(jumppoint->target()->zone());
+					if (owner()->control() == (EntityControlable*) this)
+						owner()->set_zone(jumppoint->target()->zone());
+					entity_eventstate = core::Entity::Jump;
+					entity_location.assign(jumppoint->target()->location() + location() - jumppoint->location());
+				} else {
+					entity_eventstate = core::Entity::Normal;
+				}
+				ship_jumpdrive_timer = 0;
+				entity_timer = 0;
+				
+				entity_dirty = true;
+				return;
+			} else {
+				ship_jumpdrive_timer = core::server()->time();
+				entity_dirty = true;
+			}
+		}
+
+		// control is disabled while the jumpdrive is activated
+		target_thrust = 0;
+		target_pitch = 0;
+		target_roll = 0;
+		target_direction = 0;
+		target_afterburner = 0.0f;
+		target_thrust = 0;
+
+	} else if (entity_eventstate == core::Entity::Jump) {
+		// control is disabled while the jumpdrive is activated
+		target_thrust = 0;
+		target_pitch = 0;
+		target_roll = 0;
+		target_direction = 0;
+		target_afterburner = 0.0f;
+		target_thrust = 0;
+
+		// FIXME jump location and axis		
+		math::Axis default_axis;
+		entity_axis.assign(default_axis);
+		entity_dirty = true;
+
+		// FIXME 5 second cooldown
+		entity_eventstate =  core::Entity::Normal;
+
+	} else if (entity_eventstate == core::Entity::ImpulseInitiate) {
+
+		if (ship_impulsedrive_timer + 1.0f <= core::server()->time()) {
+			entity_timer -= 1.0f;
+
+			if (entity_timer <= 0) {
+				actual_maxspeed = Base::instance()->g_impulsespeed->value();
+				actual_acceleration = Base::instance()->g_impulseacceleration->value();
+				entity_eventstate = core::Entity::Impulse;
+				entity_timer = 0;
+				entity_dirty = true;
+			} else {
+				ship_impulsedrive_timer = core::server()->time();
+				entity_dirty = true;
+			}
+		}
+
+		// clamp input values
+		target_thrust = 0.0f;
+		math::clamp(target_pitch, -1.0f, 1.0f);
+		math::clamp(target_roll, -1.0f, 1.0f);
+		math::clamp(target_direction, -1.0f, 1.0f);
+		math::clamp(target_afterburner, -1.0f, 1.0f);
+		actual_turnspeed *= 0.5;
+
+	} else if (entity_eventstate == core::Entity::Impulse) {
+
+		// clamp input values
+		target_thrust = 0.0f;
+		math::clamp(target_pitch, -1.0f, 1.0f);
+		math::clamp(target_roll, -1.0f, 1.0f);
+		math::clamp(target_direction, -1.0f, 1.0f);
+		target_afterburner = 0.0f;
+		actual_maxspeed = Base::instance()->g_impulsespeed->value();
+		actual_acceleration = Base::instance()->g_impulseacceleration->value();
+		actual_turnspeed *= 0.5;
+
+	} else if (entity_eventstate == core::Entity::Normal) {
+
+		// 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);
+		math::clamp(target_afterburner, -1.0f, 1.0f);
+
+		if (speed() > actual_maxspeed * 1.15f) {
+			actual_acceleration = Base::instance()->g_impulseacceleration->value();
+			actual_turnspeed *= 0.5;
+		}
+
+	}
+
+	// update roll
+	if (current_target_roll < target_roll) {
+		current_target_roll += direction_change_speed * seconds;
+		if (current_target_roll > target_roll)
+			current_target_roll = target_roll;
+	} else if (current_target_roll > target_roll) {
+		current_target_roll -= direction_change_speed * seconds;
+		if (current_target_roll < target_roll)
+			current_target_roll = target_roll;
+	}
+	math::clamp(current_target_roll, -1.0f, 1.0f);
+
+	if (fabs(current_target_roll) > MIN_DELTA) {	
+		float roll_offset = seconds * current_target_roll;
+		entity_axis.change_roll(actual_turnspeed * roll_offset);
+	} else {
+		current_target_roll = 0.0f;
+	}
+
+	// update target_axis direction	
+	if (current_target_direction < target_direction) {
+		current_target_direction += direction_change_speed * seconds;
+		if (current_target_direction > target_direction) {
+			current_target_direction = target_direction;
+		}
+	} else if (current_target_direction > target_direction) {
+		current_target_direction -= direction_change_speed * seconds;
+		if (current_target_direction < target_direction) {
+			current_target_direction = target_direction;
+		}
+	}
+
+	if (fabs(current_target_direction) > MIN_DELTA ) {
+		math::clamp(current_target_direction, -1.0f, 1.0f);
+		target_axis.change_direction(actual_turnspeed * current_target_direction);
+	} else {
+		current_target_direction = 0.0f;
+	}
+
+	if (current_target_pitch < target_pitch) {
+		current_target_pitch += direction_change_speed * seconds;
+		if (current_target_pitch > target_pitch)
+			current_target_pitch = target_pitch;
+	} else if (current_target_pitch > target_pitch) {
+		current_target_pitch -= direction_change_speed * seconds;
+		if (current_target_pitch < target_pitch)
+			current_target_pitch = target_pitch;
+	}
+	
+	if (fabs(current_target_pitch) > MIN_DELTA) {
+		math::clamp(current_target_pitch, -1.0f, 1.0f);
+		target_axis.change_pitch(actual_turnspeed * current_target_pitch);
+	} else {
+		current_target_pitch = 0.0f;
+	}
+
+	n.assign(math::crossproduct(entity_axis.forward(), target_axis.forward()));
+	if (!(n.length() < MIN_DELTA)) {
+		n.normalize();
+		cosangle = math::dotproduct(entity_axis.forward(), target_axis.forward());
+		angle = acos(cosangle) * seconds; // * 180.0f / M_PI;
+		if (angle > MIN_DELTA)
+			entity_axis.rotate(n, -angle);
+	}
+
+	// update afterburner
+	if (current_target_afterburner < target_afterburner) {
+		current_target_afterburner += 2.0f * seconds;
+		if (current_target_afterburner > target_afterburner)
+			current_target_afterburner = target_afterburner;
+	} else if (current_target_afterburner > target_afterburner) {
+		current_target_afterburner -= 2.0f * seconds;
+		if (current_target_afterburner < target_afterburner)
+			current_target_afterburner = target_afterburner;
+	}
+
+	// update thrust
+	if (current_target_afterburner < 0.0f) {
+		target_thrust = 0;
+	}
+
+	if (entity_thrust < target_thrust) {
+		entity_thrust += seconds  * 0.5f;
+		if (entity_thrust > target_thrust)
+			entity_thrust = target_thrust;
+	} else if (entity_thrust > target_thrust) {
+		entity_thrust -= seconds * 0.5f;
+		if (entity_thrust < target_thrust)
+			entity_thrust = target_thrust;
+	}
+	math::clamp(entity_thrust, 0.0f, 1.0f);
+	float actual_thrust = entity_thrust + current_target_afterburner * 0.15f;
+
+	if ((entity_eventstate == core::Entity::ImpulseInitiate) || (entity_eventstate == core::Entity::Impulse)) {
+		actual_thrust = 1.0f;
+	}
+
+	// update speed
+	if (entity_speed < actual_thrust * actual_maxspeed) {
+		entity_speed += actual_acceleration * seconds;
+		if (entity_speed > actual_thrust * actual_maxspeed) {
+			entity_speed = actual_thrust * actual_maxspeed;
+		}
+	} else if(entity_speed > actual_thrust * actual_maxspeed) {
+		entity_speed -= actual_acceleration * seconds;
+		if (entity_speed < actual_thrust * actual_maxspeed) {
+			entity_speed = actual_thrust * actual_maxspeed;
+		}
+	}
+
+	// update strafe
+	if (current_target_strafe < target_strafe) {
+		current_target_strafe += 2.0f * seconds;
+		if (current_target_strafe > target_strafe)
+			current_target_strafe = target_strafe;
+	} else if (current_target_strafe > target_strafe) {
+		current_target_strafe -= 2.0f * seconds;
+		if (current_target_strafe < target_strafe)
+			current_target_strafe = target_strafe;
+	}
+
+	if (fabs(current_target_strafe) > MIN_DELTA) {
+		entity_location += entity_axis.left() * (current_target_strafe * Base::instance()->g_strafespeed->value());
+	}
+
+	entity_movement = target_thrust;
+	entity_movement = math::max(entity_movement, fabs(current_target_pitch));
+	entity_movement = math::max(entity_movement, fabs(current_target_direction));
+	entity_movement = math::max(entity_movement, fabs(current_target_roll));
+	entity_movement = math::max(entity_movement, fabs(current_target_afterburner));
+	entity_movement = math::max(entity_movement, fabs(current_target_strafe));
+
+	if (entity_speed) {
+		entity_location += entity_axis.forward() * entity_speed * seconds;
+		entity_dirty = true;
+	} else if (entity_movement > 0.0f) {
+		entity_dirty = true;
+	}
+}
+
+} // namespace game