From cabb833e9b4ca10b9f350f3be6c351dce6a66822 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 20 Sep 2015 14:18:27 +0300
Subject: [PATCH] Pass the resource collection to async loaders

This way they can access the loading parameters specified in that
collection.
---
 source/mesh.cpp            | 2 +-
 source/mesh.h              | 2 +-
 source/resource.h          | 3 ++-
 source/resourcemanager.cpp | 4 +++-
 source/texture1d.h         | 2 +-
 source/texture2d.cpp       | 2 +-
 source/texture2d.h         | 2 +-
 source/texture3d.h         | 2 +-
 source/texturecube.h       | 2 +-
 9 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/source/mesh.cpp b/source/mesh.cpp
index 44568697..8f7c517b 100644
--- a/source/mesh.cpp
+++ b/source/mesh.cpp
@@ -200,7 +200,7 @@ void Mesh::unbind()
 		glBindVertexArray(0);
 }
 
-Resource::AsyncLoader *Mesh::load(IO::Seekable &io)
+Resource::AsyncLoader *Mesh::load(IO::Seekable &io, const Resources *)
 {
 	return new AsyncLoader(*this, io);
 }
diff --git a/source/mesh.h b/source/mesh.h
index 388d4d88..7e455cd9 100644
--- a/source/mesh.h
+++ b/source/mesh.h
@@ -95,7 +95,7 @@ public:
 
 	static void unbind();
 
-	virtual Resource::AsyncLoader *load(IO::Seekable &);
+	virtual Resource::AsyncLoader *load(IO::Seekable &, const Resources * = 0);
 	virtual UInt64 get_data_size() const;
 	virtual void unload();
 };
diff --git a/source/resource.h b/source/resource.h
index 8d34c357..09d60e44 100644
--- a/source/resource.h
+++ b/source/resource.h
@@ -8,6 +8,7 @@ namespace Msp {
 namespace GL {
 
 class ResourceManager;
+class Resources;
 
 class Resource
 {
@@ -34,7 +35,7 @@ public:
 	void set_manager(ResourceManager *);
 	ResourceManager *get_manager() const { return manager; }
 	void *get_manager_data() const { return manager_data; }
-	virtual AsyncLoader *load(IO::Seekable &) = 0;
+	virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) = 0;
 	virtual bool is_loaded() const;
 	virtual UInt64 get_data_size() const = 0;
 	virtual void unload() = 0;
diff --git a/source/resourcemanager.cpp b/source/resourcemanager.cpp
index 733cfaff..481e9a17 100644
--- a/source/resourcemanager.cpp
+++ b/source/resourcemanager.cpp
@@ -4,6 +4,7 @@
 #include <msp/strings/format.h>
 #include <msp/time/utils.h>
 #include "resourcemanager.h"
+#include "resources.h"
 #include "resourcewatcher.h"
 
 using namespace std;
@@ -283,7 +284,8 @@ void ResourceManager::ManagedResource::start_loading()
 	if(!io)
 		throw resource_load_error(location.name, "open failed");
 
-	loader = resource->load(*io);
+	const Resources *res = dynamic_cast<Resources *>(location.collection);
+	loader = resource->load(*io, res);
 	if(!loader)
 	{
 		delete io;
diff --git a/source/texture1d.h b/source/texture1d.h
index ea673c3b..63b25c13 100644
--- a/source/texture1d.h
+++ b/source/texture1d.h
@@ -27,7 +27,7 @@ private:
 	unsigned get_level_size(unsigned);
 
 public:
-	virtual AsyncLoader *load(IO::Seekable &) { return 0; }
+	virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) { return 0; }
 	virtual UInt64 get_data_size() const;
 	virtual void unload() { }
 };
diff --git a/source/texture2d.cpp b/source/texture2d.cpp
index 7cad81d9..28b07bfe 100644
--- a/source/texture2d.cpp
+++ b/source/texture2d.cpp
@@ -136,7 +136,7 @@ void Texture2D::get_level_size(unsigned level, unsigned &w, unsigned &h)
 		h = 1;
 }
 
-Resource::AsyncLoader *Texture2D::load(IO::Seekable &io)
+Resource::AsyncLoader *Texture2D::load(IO::Seekable &io, const Resources *)
 {
 	return new AsyncLoader(*this, io);
 }
diff --git a/source/texture2d.h b/source/texture2d.h
index eba3286f..7504f321 100644
--- a/source/texture2d.h
+++ b/source/texture2d.h
@@ -85,7 +85,7 @@ private:
 	void get_level_size(unsigned, unsigned &, unsigned &);
 
 public:
-	virtual Resource::AsyncLoader *load(IO::Seekable &);
+	virtual Resource::AsyncLoader *load(IO::Seekable &, const Resources * = 0);
 	virtual UInt64 get_data_size() const;
 	virtual void unload();
 };
diff --git a/source/texture3d.h b/source/texture3d.h
index fa4c050f..c55a3c1a 100644
--- a/source/texture3d.h
+++ b/source/texture3d.h
@@ -62,7 +62,7 @@ private:
 	void get_level_size(unsigned, unsigned &, unsigned &, unsigned &);
 
 public:
-	virtual AsyncLoader *load(IO::Seekable &) { return 0; }
+	virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) { return 0; }
 	virtual UInt64 get_data_size() const;
 	virtual void unload() { }
 };
diff --git a/source/texturecube.h b/source/texturecube.h
index fe343c73..4530a97a 100644
--- a/source/texturecube.h
+++ b/source/texturecube.h
@@ -103,7 +103,7 @@ public:
 	/** Returns a vector pointing to the center a texel. */
 	Vector3 get_texel_direction(TextureCubeFace, unsigned, unsigned);
 
-	virtual AsyncLoader *load(IO::Seekable &) { return 0; }
+	virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) { return 0; }
 	virtual UInt64 get_data_size() const;
 	virtual void unload() { }
 };
-- 
2.45.2