From 982562fa19bb87a3dab352e562f386f61c171b7b Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Sun, 17 Feb 2008 18:59:52 +0000
Subject: major rewrite of Cvar, Func and Entity

---
 src/core/entity.cc | 164 ++++++++++++++++++++++++++++++-----------------------
 1 file changed, 92 insertions(+), 72 deletions(-)

(limited to 'src/core/entity.cc')

diff --git a/src/core/entity.cc b/src/core/entity.cc
index 6115e71..229fb52 100644
--- a/src/core/entity.cc
+++ b/src/core/entity.cc
@@ -4,121 +4,141 @@
    the terms of the GNU General Public License version 2.
 */
 
+#include <vector>
+#include <iomanip>
+
 #include "sys/sys.h"
 #include "core/entity.h"
 
-#include <iomanip>
-
 namespace core
 {
 
-// --- Entity -----------------------------------------------------
+using math::Color;
+using math::Vector3f;
 
-Entity::Entity(unsigned int entity_flags)
-{
-	flags = entity_flags;
-	
-	core_shape = entity::Diamond;
-	core_color = math::Color(1.0f, 1.0f, 1.0f);
-	core_radius = 1.0f;
+/* ---- Static functions for the Entity registry ------------------- */
 
-	core::entity::add(this);
-	type = 0;
-	
-	direction = 0;
-}
+std::map<unsigned int, Entity *> Entity::registry;
 
-Entity::~Entity()
-{}
+void Entity::add(Entity *ent)
+{
+	std::map<unsigned int, Entity*>::iterator it;
+	unsigned int id = 1;
+	for (it = registry.begin(); it != registry.end() && id == (*it).second->id(); it++) {
+		id++;
+	}
+	ent->entity_id = id;
+	registry[id] = ent;
+}
 
-// --- EntityDynamic ------------------------------------------
+Entity *Entity::find(unsigned int id)
+{
+	std::map<unsigned int, Entity *>::iterator it = registry.find(id);
+	if (it == registry.end())
+		return 0;
+	else
+		return (*it).second;
+}
 
-EntityDynamic::EntityDynamic(unsigned int entity_flags) :
-	Entity(entity_flags)
+void Entity::remove(unsigned int id)
 {
-	speed = 0.0f;
+	std::map<unsigned int, Entity *>::iterator it = registry.find(id);
+	if (it != registry.end()) {
+		delete((*it).second);
+		registry.erase(it);
+	}
 }
 
-EntityDynamic::~EntityDynamic()
+void Entity::list()
 {
+	std::map<unsigned int, Entity *>::iterator it;
+	for (it = registry.begin(); it != registry.end(); it++) {
+		std::string typeindicator;
+		Entity *entity = (*it).second;
+		con_print << "  id " << std::setw(4) << entity->id()
+			<< " type " << std::setw(4) << entity->type()
+			<< ":" << std::setw(4) << entity->moduletype()
+			<< " " << entity->name() << std::endl;
+	}
+	con_print << registry.size() << " registered entities" << std::endl;
 }
 
-// --- EntityControlable ------------------------------------------
+/*----- Entity ----------------------------------------------------- */
 
-EntityControlable::EntityControlable(unsigned int entity_flags) :
-	EntityDynamic(entity_flags)
+Entity::Entity(unsigned int flags) :
+	entity_location(0.0f, 0.0f, 0.0f),
+	entity_color(1.0f, 1.0f, 1.0f, 1.0f)
 {
-	owner = 0;
-	target_direction = 0.0f;
-	target_thrust = 0.0f;
+	entity_id = 0;
+	entity_flags = flags;
+	entity_moduletypeid = 0;
+	
+	entity_radius = 1.0f;
+	entity_direction = 0;
+	entity_shape = Diamond;
+	
+	add(this);
 }
 
-EntityControlable::~EntityControlable()
+Entity::~Entity()
+{
+}
+
+void Entity::frame(float seconds)
 {
 }
 
-// --- namespace entity -------------------------------------------
+/* ---- EntityDynamic ---------------------------------------------- */
 
-namespace entity
+EntityDynamic::EntityDynamic(unsigned int flags) :
+	Entity(flags)
 {
+	entity_speed = 0.0f;
+}
 
-std::vector<Entity*> registry;
+EntityDynamic::~EntityDynamic()
+{
+}
 
-void add(Entity *ent)
+void EntityDynamic::frame(float seconds)
 {
-	std::vector<Entity *>::iterator it;
-	unsigned int entity_id = 1;
-	for (it=registry.begin(); it != registry.end() && entity_id == (*it)->id; it++) {
-		entity_id++;
-	}
-	ent->id = entity_id;
-	registry.push_back(ent);
+	// location avoid sin/cos calculations
+	entity_location.x += cosf(entity_direction * M_PI / 180) * entity_speed * seconds;
+	entity_location.z -= sinf(entity_direction * M_PI / 180) * entity_speed * seconds;
 }
 
-void remove(unsigned int entity_id)
+/*----- EntityControlable ------------------------------------------ */
+
+EntityControlable::EntityControlable(Player *player, unsigned int flags) :
+	EntityDynamic(flags)
 {
-	std::vector<Entity *>::iterator it;
-	for (it=registry.begin(); it != registry.end(); it++) {
-		if (entity_id == (*it)->id) {
-			delete((*it));
-			registry.erase(it);
-			return;
-		}
-	}
+	entity_owner = 0;
+	entity_thrust = 0;
+
+	target_direction = 0.0f;
+	target_thrust = 0.0f;
 }
 
-void clear()
+EntityControlable::~EntityControlable()
 {
-	std::vector<Entity *>::iterator it;
-	for (it=registry.begin(); it != registry.end(); it++) {
-		delete(*it);
-		(*it) = 0;
-	}
-	registry.clear();
 }
 
-void list()
+void EntityControlable::frame(float seconds)
 {
-	std::vector<Entity *>::iterator it;
-	for (it=registry.begin(); it != registry.end(); it++) {
-		con_print << "  id " << std::setw(4) << (*it)->id 
-			<< " type " << std::setw(4) << (*it)->core_type()
-			<< ":" << std::setw(4) << (*it)->type
-			<< " " << (*it)->label << std::endl;
-	}
-	con_print << registry.size() << " registered entities" << std::endl;
+	entity_direction = target_direction;
+	entity_thrust = target_thrust;
+
+	EntityDynamic::frame(seconds);
 }
 
-void frame(float seconds)
+void EntityControlable::set_thrust(float thrust)
 {
-	std::vector<Entity *>::iterator it;
-	for (it=registry.begin(); it != registry.end(); it++) {
-		if ((*it)->core_type() == entity::Controlable) {
-			static_cast<EntityControlable *>(*it)->frame(seconds);
-		}
-	}
+	target_thrust = thrust;
 }
 
+void EntityControlable::set_direction(float direction)
+{
+	target_direction = direction;
 }
 
 }
-- 
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