From dd2641dd1b87a0ee3ae27f000ea9527ee05fddbd Mon Sep 17 00:00:00 2001
From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Thu, 9 Jan 2014 08:14:25 +0100
Subject: [PATCH] added universe environmental resources

---
 src/world/Universe.cpp | 23 ++++++++++++++++++++++-
 src/world/Universe.h   | 12 ++++++++++++
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/src/world/Universe.cpp b/src/world/Universe.cpp
index daac4db..bc1aad8 100644
--- a/src/world/Universe.cpp
+++ b/src/world/Universe.cpp
@@ -9,7 +9,9 @@ namespace space {
 Universe::Universe(Vector<int> size, Vector<int> secSize, Vector<int> areaSize)
 : size(size)
 , secSize(secSize)
-, areaSize(areaSize) {
+, areaSize(areaSize)
+, bounds(size * secSize * areaSize)
+, env(bounds.x * bounds.y) {
 
 }
 
@@ -30,6 +32,25 @@ int Universe::AddResource(const Resource &r) {
 }
 
 
+void Universe::DumpEnv(int res, Vector<int> coords, float amount) {
+	if (coords.x < 0) coords.x = 0;
+	if (coords.x > bounds.x) coords.x = bounds.x - 1;
+	if (coords.y < 0) coords.y = 0;
+	if (coords.y > bounds.x) coords.y = bounds.y - 1;
+
+	int index = coords.x * bounds.y + coords.y;
+
+	Env &point = env[index];
+	Env::iterator entry(point.find(res));
+
+	if (entry == point.end()) {
+		point.emplace(res, amount);
+	} else {
+		entry->second += amount;
+	}
+}
+
+
 void Universe::Update(float delta) {
 	for (Ship &s : ships) {
 		s.Update(delta);
diff --git a/src/world/Universe.h b/src/world/Universe.h
index 807c1cd..c4754bd 100644
--- a/src/world/Universe.h
+++ b/src/world/Universe.h
@@ -6,6 +6,7 @@
 #include "../graphics/Vector.h"
 
 #include <list>
+#include <map>
 #include <vector>
 
 
@@ -24,8 +25,11 @@ public:
 	const Vector<int> size;
 	const Vector<int> secSize;
 	const Vector<int> areaSize;
+	const Vector<int> bounds;
 
 public:
+	using Env = std::map<int, float>;
+
 	class Area;
 
 	class Sector {
@@ -57,6 +61,7 @@ public:
 		Vector<int> AreaCoords() const { return coords; }
 
 		Sector ParentSector() const { return univ.SectorAt(SectorCoords()); }
+		const Env &GetEnv() const { return univ.EnvAt(coords); }
 
 	private:
 		const Universe &univ;
@@ -67,6 +72,7 @@ public:
 public:
 	Sector SectorAt(Vector<int> coords) const { return Sector(*this, coords); }
 	Area AreaAt(Vector<int> coords) const { return Area(*this, coords); }
+	const Env &EnvAt(Vector<int> coords) const { return env[coords.x * bounds.y + coords.y]; }
 
 public:
 	Ship *AddShip(const Ship &);
@@ -75,12 +81,18 @@ public:
 	int AddResource(const Resource &);
 	const Resource &GetResource(int id) const { return resources[id]; }
 
+	void DumpEnv(int res, Vector<int> coords, float amount);
+	void DumpEnv(int res, Vector<float> coords, float amount) {
+		DumpEnv(res, Vector<int>(coords), amount);
+	}
+
 public:
 	void Update(float deltaT);
 
 private:
 	std::list<Ship> ships;
 	std::vector<Resource> resources;
+	std::vector<Env> env;
 
 };
 
-- 
2.39.2