From 3a6c5c7107d53a6388db8df6adf74a56c174ae5a Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Tue, 8 Oct 2013 19:49:47 +0000
Subject: Sort model tags by location.

---
 src/model/model.cc | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/model/model.h  |  5 ++++
 2 files changed, 77 insertions(+)

(limited to 'src/model')

diff --git a/src/model/model.cc b/src/model/model.cc
index f2fb481..fdff22e 100644
--- a/src/model/model.cc
+++ b/src/model/model.cc
@@ -134,6 +134,75 @@ void Model::print() const
 {
 }
 
+bool compare_tag_location(const Tag *first, const Tag *second)
+{
+	if (!first) {
+		return true;
+	} else if (!second) {
+		return true;
+	}
+	
+	if (first->location().x() > second->location().x()) {
+		return true;		
+		
+	} else if (first->location().x() < second->location().x()) {
+		return false;
+		
+	} else if (first->location().y() > second->location().y()) {
+		return true;		
+		
+	} else if (first->location().y() < second->location().y()) {
+		return false;
+		
+	} else if (first->location().z() < second->location().z()) {
+		return false;
+		
+	} else {
+		return true;
+	}
+
+}
+
+bool compare_tag_location_front(const Tag *first, const Tag *second)
+{
+	if (!first) {
+		return true;
+	} else if (!second) {
+		return true;
+	}
+	
+	if (first->location().x() > second->location().x()) {
+		return true;		
+		
+	} else if (first->location().x() < second->location().x()) {
+		return false;
+		
+	} else if (first->location().y() > second->location().y()) {
+		return false;		
+		
+	} else if (first->location().y() < second->location().y()) {
+		return true;
+		
+	} else if (first->location().z() < second->location().z()) {
+		return false;
+		
+	} else {
+		return true;
+	}
+
+}
+void Model::sort() 
+{
+	model_weapons.sort(compare_tag_location);
+	model_docks.sort(compare_tag_location_front);
+	
+	model_particles.sort(compare_tag_location);
+	model_lights.sort(compare_tag_location);
+	model_flares.sort(compare_tag_location);
+	model_sounds.sort(compare_tag_location);
+	
+}
+
 Model *Model::find(const std::string & name)
 {
 	Registry::iterator it = model_registry.find(name);
@@ -185,6 +254,9 @@ Model *Model::load(const std::string & name)
 	if (!model) {
 		con_warn << "Could not open model " << name << std::endl;
 	} else {
+		// sort model tags
+		model->sort();
+		// add model to registry
 		model_registry[model->name()] = model;
 	}
 
diff --git a/src/model/model.h b/src/model/model.h
index 3c94ad6..4d72793 100644
--- a/src/model/model.h
+++ b/src/model/model.h
@@ -214,6 +214,11 @@ public:
 	static void list();
 
 private:
+	/**
+	 * @brief sort model tags according to location
+	 * */
+	void sort();
+		
 	std::string		model_name;
 	Docks			model_docks;
 	Flares			model_flares;
-- 
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