From a550d5e73bef77a8bb98a31034dcaad83a43677a Mon Sep 17 00:00:00 2001
From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Sun, 30 Sep 2012 16:26:13 +0200
Subject: [PATCH] plugged entities into map state

---
 src/map/MapState.cpp | 19 +++++++++++++++++--
 src/map/MapState.h   | 14 +++++++++++++-
 2 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/src/map/MapState.cpp b/src/map/MapState.cpp
index ed77648..7f602a7 100644
--- a/src/map/MapState.cpp
+++ b/src/map/MapState.cpp
@@ -11,6 +11,8 @@
 #include "../app/Application.h"
 #include "../app/Input.h"
 
+#include <algorithm>
+
 using app::Application;
 using app::Input;
 using geometry::Vector;
@@ -19,6 +21,7 @@ namespace map {
 
 MapState::MapState(const Map *map)
 : map(map)
+, controlled(0)
 , tempTarget(20, 20)
 , camera(100, 100, &tempTarget) {
 
@@ -47,16 +50,28 @@ void MapState::Resize(int width, int height) {
 
 
 void MapState::HandleEvents(const Input &input) {
-
+	if (!controlled) return;
 }
 
 void MapState::UpdateWorld(float deltaT) {
-
+	for (std::vector<Entity *>::iterator i(entities.begin()), end(entities.end()); i != end; ++i) {
+		(*i)->Update(deltaT);
+	}
 }
 
 void MapState::Render(SDL_Surface *screen) {
 	Vector<int> offset(camera.CalculateOffset());
 	map->Render(screen, offset);
+
+	std::sort(entities.begin(), entities.end(), ZCompare);
+	for (std::vector<Entity *>::iterator i(entities.begin()), end(entities.end()); i != end; ++i) {
+		(*i)->Render(screen, offset);
+	}
+}
+
+
+bool MapState::ZCompare(const Entity *lhs, const Entity *rhs) {
+	return lhs->Position().Y() < rhs->Position().Y();
 }
 
 }
diff --git a/src/map/MapState.h b/src/map/MapState.h
index 96a5c22..e180d48 100644
--- a/src/map/MapState.h
+++ b/src/map/MapState.h
@@ -8,11 +8,14 @@
 #ifndef MAP_MAPSTATE_H_
 #define MAP_MAPSTATE_H_
 
+#include "Entity.h"
 #include "fwd.h"
 #include "../app/State.h"
 #include "../geometry/Vector.h"
 #include "../graphics/Camera.h"
 
+#include <vector>
+
 namespace map {
 
 class MapState
@@ -33,10 +36,19 @@ public:
 	virtual void UpdateWorld(float deltaT);
 	virtual void Render(SDL_Surface *);
 
+public:
+	void AddEntity(Entity *e) { entities.push_back(e); }
+	void ControlEntity(Entity *e) { controlled = e; camera.SetTarget(&e->Position()); }
+
+private:
+	static bool ZCompare(const Entity *lhs, const Entity *rhs);
+
 private:
 	const Map *map;
-	geometry::Vector<int> tempTarget;
+	Entity *controlled;
+	geometry::Vector<float> tempTarget;
 	graphics::Camera camera;
+	std::vector<Entity *> entities;
 
 };
 
-- 
2.39.2