Began work on the server's generic entity system

common/bbox.hpp

@@ -0,0 +1,74 @@
+/* Copyright: (c) Kayne Ruse 2013, 2014
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#ifndef BBOX_HPP_
+#define BBOX_HPP_
+
+#include <type_traits>
+#include <stdexcept>
+#include <algorithm>
+
+class BBox {
+public:
+	double x, y;
+	double w, h;
+
+	BBox() = default;
+	BBox(double i, double j, double k, double l): x(i), y(j), w(k), h(l) {};
+	~BBox() = default;
+	BBox& operator=(BBox const&) = default;
+
+	double Size() {
+		return std::max(w*h,0.0);
+	}
+
+	bool IsCollision(BBox rhs) {
+		return not (
+			x >= rhs.x + rhs.w ||
+			y >= rhs.y + rhs.h ||
+			rhs.x >= x + w ||
+			rhs.y >= y + h
+		);
+	}
+
+	BBox Intersection(BBox rhs) {
+		if (!IsCollision(rhs)) {
+			return {0, 0, 0, 0};
+		}
+		BBox ret;
+		ret.x = std::max(x, rhs.x);
+		ret.y = std::max(y, rhs.y);
+		ret.w = std::min(x+w, rhs.x+rhs.w) - ret.x;
+		ret.h = std::min(y+h, rhs.y+rhs.h) - ret.y;
+		return ret;
+	}
+
+	double operator[](size_t i) {
+		if (i >= 4)
+			throw(std::domain_error("Out of range"));
+		return *(&x+i);
+	}
+};
+
+//This is explicitly a POD
+static_assert(std::is_pod<BBox>::value, "BBox is not a POD");
+
+#endif

common/vector2.hpp

@@ -22,6 +22,7 @@
 #ifndef VECTOR2_HPP_
 #define VECTOR2_HPP_
 
+#include <type_traits>
 #include <stdexcept>
 #include <cmath>
 
@@ -29,7 +30,6 @@ class Vector2 {
 public:
 	double x, y;
 
-	//This is explicitly a POD
 	Vector2() = default;
 	Vector2(double i, double j): x(i), y(j) {};
 	~Vector2() = default;
@@ -112,4 +112,7 @@ template<typename T> Vector2 operator/(T t, Vector2 v) { return v / t; }
 template<typename T> bool operator==(T t, Vector2 v) { return v == t; }
 template<typename T> bool operator!=(T t, Vector2 v) { return v != t; }
 
+//This is explicitly a POD
+static_assert(std::is_pod<Vector2>::value, "Vector2 is not a POD");
+
 #endif

server/entity.cpp

@@ -0,0 +1,29 @@
+/* Copyright: (c) Kayne Ruse 2014
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "entity.hpp"
+
+#include <type_traits>
+
+//This is explicitly a POD
+static_assert(std::is_pod<Entity>::value, "Entity is not a POD");
+
+unsigned int Entity::uidCounter;

server/entity.hpp

@@ -0,0 +1,47 @@
+/* Copyright: (c) Kayne Ruse 2014
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#ifndef ENTITY_HPP_
+#define ENTITY_HPP_
+
+//POD members
+#include "vector2.hpp"
+#include "bbox.hpp"
+
+struct Entity {
+	enum Type {
+		PLAYER,
+		PORTAL,
+		ITEMS,
+		CHEST,
+		DOOR,
+	};
+
+	Type type;
+	int mapIndex;
+	Vector2 position;
+	Vector2 motion;
+	BBox bbox;
+	unsigned int uid;
+	static unsigned int uidCounter;
+};
+
+#endif

server/player_entity.hpp

@@ -0,0 +1,29 @@
+/* Copyright: (c) Kayne Ruse 2014
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#ifndef PLAYERENTITY_HPP_
+#define PLAYERENTITY_HPP_
+
+struct PlayerEntity {
+	//TODO: stuff
+};
+
+#endif

server/server_application.cpp

@@ -53,7 +53,8 @@ void ServerApplication::Init(int argc, char** argv) {
 	cout << "Beginning startup" << endl;
 	int ret = 0;
 
-	//load config
+	//initial setup
+	Entity::uidCounter = 0;
 	config.Load("rsc\\config.cfg");
 
 	//Init SDL

server/server_application.hpp

@@ -22,6 +22,10 @@
 #ifndef SERVERAPPLICATION_HPP_
 #define SERVERAPPLICATION_HPP_
 
+//server specific stuff
+#include "entity.hpp"
+#include "player_entity.hpp"
+
 //maps
 #include "map_generator.hpp"
 #include "map_file_format.hpp"