From e2032cbdb8d2ae52e42d400c5cc90ddad844f665 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 24 May 2019 22:29:04 +0300
Subject: [PATCH] Make it possible for Stages to add things to the Demo

This is much more flexible than exposing everything so Demo can add them.
---
 source/demo.cpp  | 2 +-
 source/demo.h    | 4 +++-
 source/stage.cpp | 5 +++++
 source/stage.h   | 2 ++
 4 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/source/demo.cpp b/source/demo.cpp
index 4cd66bd..c545685 100644
--- a/source/demo.cpp
+++ b/source/demo.cpp
@@ -31,7 +31,7 @@ Demo::~Demo()
 void Demo::add_stage(const std::string &name, Stage &stage)
 {
 	things[name] = &stage;
-	things[name+".camera"] = static_cast<GL::Placeable *>(&stage.get_camera());
+	stage.add_things(things, name+".");
 }
 
 void Demo::set_fixed_framerate(float fps)
diff --git a/source/demo.h b/source/demo.h
index e2dfd6e..35be624 100644
--- a/source/demo.h
+++ b/source/demo.h
@@ -32,6 +32,8 @@ private:
 	};
 
 public:
+	typedef std::map<std::string, Msp::Variant> ThingMap;
+
 	sigc::signal<void> signal_finished;
 
 protected:
@@ -48,7 +50,7 @@ protected:
 	Msp::Time::TimeStamp last_tick;
 	Msp::Time::TimeStamp next_frame;
 
-	std::map<std::string, Msp::Variant> things;
+	ThingMap things;
 
 	Demo(Msp::Graphics::Window &, Msp::Graphics::GLContext &, Msp::DataFile::Collection &);
 public:
diff --git a/source/stage.cpp b/source/stage.cpp
index 267afe3..e1ce352 100644
--- a/source/stage.cpp
+++ b/source/stage.cpp
@@ -14,6 +14,11 @@ Stage::~Stage()
 	delete pipeline;
 }
 
+void Stage::add_things(Demo::ThingMap &things, const string &prefix)
+{
+	things[prefix+"camera"] = static_cast<GL::Placeable *>(&camera);
+}
+
 void Stage::add_postprocessor(GL::PostProcessor &pp)
 {
 	pipeline->add_postprocessor(pp);
diff --git a/source/stage.h b/source/stage.h
index 4937177..c108f6f 100644
--- a/source/stage.h
+++ b/source/stage.h
@@ -4,6 +4,7 @@
 #include <msp/gl/camera.h>
 #include <msp/gl/pipeline.h>
 #include "action.h"
+#include "demo.h"
 
 class Stage
 {
@@ -68,6 +69,7 @@ public:
 	Stage();
 	~Stage();
 
+	virtual void add_things(Demo::ThingMap &, const std::string &);
 	void add_postprocessor(Msp::GL::PostProcessor &);
 	void set_camera(const Msp::GL::Camera &);
 	Msp::GL::Camera &get_camera() { return camera; }
-- 
2.43.0