From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 20 Apr 2014 09:44:05 +0000 (+0300)
Subject: Add a resource collection class
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=b30209f7d9c984ee03df779446fa4ad5f9334865;p=libs%2Fgl.git

Add a resource collection class

It's annoying to have to implement the same collection everywhere,
especially loading textures from image files.
---

diff --git a/source/resources.cpp b/source/resources.cpp
new file mode 100644
index 00000000..8e872d5d
--- /dev/null
+++ b/source/resources.cpp
@@ -0,0 +1,74 @@
+#include <msp/fs/utils.h>
+#include "animation.h"
+#include "armature.h"
+#include "font.h"
+#include "keyframe.h"
+#include "material.h"
+#include "mesh.h"
+#include "object.h"
+#include "pose.h"
+#include "program.h"
+#include "resources.h"
+#include "technique.h"
+#include "texture2d.h"
+#include "texturecube.h"
+
+using namespace std;
+
+namespace Msp {
+namespace GL {
+
+Resources::Resources():
+	default_tex_filter(LINEAR_MIPMAP_LINEAR)
+{
+	add_type<Animation>().suffix(".anim").keyword("animation");
+	add_type<Armature>().suffix(".arma").keyword("armature");
+	add_type<Font>().keyword("font");
+	add_type<KeyFrame>().suffix(".kframe").keyword("keyframe");
+	add_type<Material>().suffix(".mat").keyword("material");
+	add_type<Mesh>().keyword("mesh");
+	add_type<Object>().keyword("object");
+	add_type<Pose>().keyword("pose");
+	add_type<Program>().keyword("shader");
+	add_type<Technique>().suffix(".tech").keyword("technique");
+	add_type<Texture2D>().base<Texture>().suffix(".tex2d").suffix(".png").suffix(".jpg").keyword("texture2d").creator(&Resources::create_texture2d);
+	add_type<TextureCube>().base<Texture>().suffix(".texcb").keyword("texture_cube");
+}
+
+void Resources::set_default_texture_filter(TextureFilter tf)
+{
+	default_tex_filter = tf;
+}
+
+Texture2D *Resources::create_texture2d(const string &name)
+{
+	string ext = FS::extpart(name);
+	if(ext==".tex2d")
+		return 0;
+
+	if(RefPtr<IO::Seekable> io = open_from_sources(name))
+	{
+		Graphics::Image image;
+		image.load_io(*io);
+
+		RefPtr<GL::Texture2D> tex = new GL::Texture2D;
+
+		if(default_tex_filter==NEAREST_MIPMAP_NEAREST || default_tex_filter==NEAREST_MIPMAP_LINEAR ||
+			default_tex_filter==LINEAR_MIPMAP_NEAREST || default_tex_filter==LINEAR_MIPMAP_LINEAR)
+		{
+			tex->set_generate_mipmap(true);
+			tex->set_mag_filter(LINEAR);
+		}
+		else
+			tex->set_mag_filter(default_tex_filter);
+		tex->set_min_filter(default_tex_filter);
+
+		tex->image(image);
+		return tex.release();
+	}
+
+	return 0;
+}
+
+} // namespace GL
+} // namespace Msp
diff --git a/source/resources.h b/source/resources.h
new file mode 100644
index 00000000..8871c16e
--- /dev/null
+++ b/source/resources.h
@@ -0,0 +1,29 @@
+#ifndef MSP_GL_RESOURCES_H_
+#define MSP_GL_RESOURCES_H_
+
+#include <msp/datafile/collection.h>
+#include "texture.h"
+
+namespace Msp {
+namespace GL {
+
+class Texture2D;
+
+class Resources: virtual public DataFile::Collection
+{
+private:
+	TextureFilter default_tex_filter;
+
+public:
+	Resources();
+
+	void set_default_texture_filter(TextureFilter);
+
+protected:
+	Texture2D *create_texture2d(const std::string &);
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif