Move everything from global namespace to "sp" namespace

When writing the X11 (linux) implementation there was a problem with X11 defining a "Display" type and we also have a Display class in the engine.

So to fix that problem and minimize the risk for running into other name conflicts. We move everything from global namespace.

source/Graphics/BatchRenderer2D.cpp

@@ -10,6 +10,8 @@
 
 #include <algorithm>
 
+namespace sp {
+
 static bool compare_renderable(const Renderable2D* a, const Renderable2D* b) {
 
 	if (a->getZOrder() != b->getZOrder()) {
@@ -256,4 +258,6 @@ void BatchRenderer2D::drawBatch(Batch& batch)
 	if (batch.type == RenderType_UI) {
 		glDisable(GL_BLEND);
 	}
-}
+}
+
+} // namespace sp

source/Graphics/DefaultRenderer2D.cpp

@@ -4,6 +4,8 @@
 #include <Spectre/Graphics/Renderable.h>
 #include <Spectre/Graphics/DefaultRenderer2D.h>
 
+namespace sp {
+
 DefaultRenderer2D::DefaultRenderer2D() 
 {
 	m_shader.create();
@@ -69,4 +71,6 @@ void DefaultRenderer2D::render()
 
 	m_shader.disable();
 	m_queue.clear();
-}
+}
+
+} // namespace sp

source/Graphics/Font.cpp

@@ -7,6 +7,8 @@
 #include <Spectre/Math/Math.h>
 #include "Font/FreeTypeDriver.h"
 
+namespace sp {
+
 Font::Font() :
 m_driver	(new FreeTypeDriver())
 {
@@ -124,3 +126,5 @@ const Texture* Font::getTexture() const
 {
 	return &m_cacheTextureA.texture;
 }
+
+} // namespace sp

source/Graphics/Font/FontDriver.cpp

@@ -1,6 +1,8 @@
 
 #include "FontDriver.h"
 
+namespace sp {
+
 FontDriver::FontDriver() :
 m_hinting	(true)
 {
@@ -9,4 +11,6 @@ m_hinting	(true)
 void FontDriver::setHinting(bool value)
 {
 	m_hinting = value;
-}
+}
+
+} // namespace sp

source/Graphics/Font/FontDriver.h

@@ -6,6 +6,8 @@
 #include <Spectre/Graphics/Image.h>
 #include <Spectre/Graphics/Font.h>
 
+namespace sp {
+
 class FontDriver
 {
 public :
@@ -28,4 +30,6 @@ protected :
 	bool m_hinting;
 };
 
+} // namespace sp
+
 #endif /* SPECTRE_GRAPHICS_FONT_FONTDRIVER_H */

source/Graphics/Font/FreeTypeDriver.cpp

@@ -9,6 +9,8 @@
 #include "FreeTypeError.h"
 #include "FreeTypeDriver.h"
 
+namespace sp {
+
 class LibWrapper
 {
 public :
@@ -165,4 +167,6 @@ Font::Glyph FreeTypeDriver::loadGlyph(unsigned int codepoint, Image& img, unsign
 std::string FreeTypeDriver::getName()
 {
 	return m_face->family_name;
-}
+}
+
+} // namespace

source/Graphics/Font/FreeTypeDriver.h

@@ -5,8 +5,11 @@
 #include <ft2build.h>
 #include FT_FREETYPE_H
 
+#include <string>
 #include "FontDriver.h"
 
+namespace sp {
+
 class FreeTypeDriver : public FontDriver
 {
 public:
@@ -26,4 +29,6 @@ private :
 	FT_Face m_face;
 };
 
+} // namespace sp
+
 #endif /* SPECTRE_GRAPHICS_FONT_FREETYPEDRIVER_H */

source/Graphics/Image.cpp

@@ -4,6 +4,8 @@
 #include <Spectre/Graphics/Image.h>
 #include "ImageLoader.h"
 
+namespace sp {
+
 static ImageLoader _loader;
 
 Image::Image() :
@@ -207,3 +209,5 @@ const unsigned char* Image::getPixels() const
 	}
 	return NULL;
 }
+
+} // namespace sp

source/Graphics/ImageLoader.cpp

@@ -21,6 +21,8 @@
 #include <cstdio>
 #include <vector>
 
+namespace sp {
+
 bool ImageLoader::loadFromFile(const char *filename, Image& img)
 {
 	FILE *fd = fopen(filename, "rb");
@@ -59,7 +61,7 @@ bool ImageLoader::loadFromMemory(const void *data, unsigned size, Image& img)
 // TODO: Support more formats.
 bool ImageLoader::saveToFile(const Image& img, const char *filename)
 {
-	std::string ext = File::getExtension(filename);
+	std::string ext = file::getExtension(filename);
 	std::vector<unsigned char> encoded_data;
 
 	if (ext == "png") {
@@ -129,3 +131,5 @@ bool ImageLoader::encodePNG(const Image& img, std::vector<unsigned char>& data)
 	m_error = stbi_failure_reason();
 	return false;
 }
+
+} // namespace sp

source/Graphics/ImageLoader.h

@@ -6,6 +6,8 @@
 #include <Spectre/Math/Vector2.h>
 #include <vector>
 
+namespace sp {
+
 class ImageLoader
 {
 public :
@@ -30,4 +32,6 @@ protected :
 	std::string m_error;
 };
 
+} // namespace sp
+
 #endif /* SPECTRE_GRAPHICS_IMAGE_LOADER_H */

source/Graphics/RenderState.cpp

@@ -4,6 +4,8 @@
 #include <Spectre/Graphics/Texture.h>
 #include <Spectre/Graphics/RenderState.h>
 
+namespace sp {
+
 RenderState::RenderState() :
 m_texture	(0),
 m_shader	(0)
@@ -45,4 +47,6 @@ void RenderState::cleanup()
 	if (m_shader) {
 		m_shader->disable();
 	}
-}
+}
+
+} // namespace sp

source/Graphics/Renderable2D.cpp

@@ -1,6 +1,8 @@
 
 #include <Spectre/Graphics/Renderable.h>
 
+namespace sp {
+
 Renderable2D::Renderable2D() :
 m_zorder	(0)
 {
@@ -24,4 +26,6 @@ unsigned char Renderable2D::getZOrder() const
 void Renderable2D::setZOrder(unsigned char value)
 {
 	m_zorder = value;
-}
+}
+
+} // namespace sp

source/Graphics/Renderer2D.cpp

@@ -1,5 +1,7 @@
 #include <Spectre/Graphics/Renderer2D.h>
 
+namespace sp {
+
 Renderer2D::Renderer2D() :
 m_camera	(NULL)
 {
@@ -13,3 +15,5 @@ void Renderer2D::setCamera(const Camera2D& camera)
 {
 	m_camera = &camera;
 }
+
+} // namespace sp

source/Graphics/Shader.cpp

@@ -4,6 +4,8 @@
 #include <Spectre/Graphics/OpenGL.h>
 #include <Spectre/Graphics/Shader.h>
 
+namespace sp {
+
 Shader::Shader(Type type, const std::string& name) :
 m_name		(name)
 {
@@ -35,7 +37,7 @@ bool Shader::loadFromFile(const std::string& file)
 
 	// If this shader does not have a name, pick the filename.
 	if (m_name.length() < 1) {
-		m_name = File::getBasename(file);
+		m_name = file::getBasename(file);
 	}
 
 	// Load file into memory.
@@ -98,3 +100,5 @@ std::string Shader::fetchErrorLog()
 
 	return std::string(buf);
 }
+
+} // namespace sp

source/Graphics/ShaderProgram.cpp

@@ -4,6 +4,8 @@
 #include <Spectre/Graphics/ShaderProgram.h>
 #include <Spectre/System/File.h>
 
+namespace sp {
+
 ShaderProgram::ShaderProgram() :
 m_id	(0)
 {
@@ -36,7 +38,7 @@ void ShaderProgram::addShader(const Shader& shader)
 
 bool ShaderProgram::loadFromFile(const std::string& filename)
 {
-	std::string extension = File::getExtension(filename);
+	std::string extension = file::getExtension(filename);
 
 	// Meta file. load real shaders.
 	if (extension == "shader.glsl") {
@@ -191,3 +193,5 @@ std::string ShaderProgram::fetchErrorLog()
 
 	return std::string(buf);
 }
+
+} // namespace sp

source/Graphics/Sprite.cpp

@@ -3,6 +3,8 @@
 #include <Spectre/Graphics/Texture.h>
 #include <Spectre/Graphics/Sprite.h>
 
+namespace sp {
+
 Sprite::Sprite() :
 m_texture	(NULL)
 {
@@ -114,4 +116,6 @@ void Sprite::updateGeometry()
 void Sprite::render(Renderer2D& renderer) const
 {
 	renderer.draw(this);
-}
+}
+
+} // namespace sp

source/Graphics/Text.cpp

@@ -3,6 +3,8 @@
 #include <Spectre/Graphics/Renderer2D.h>
 #include <Spectre/Graphics/Text.h>
 
+namespace sp {
+
 Text::Text() :
 m_font		(NULL),
 m_size		(22),
@@ -173,4 +175,6 @@ void Text::updateGeometry() const
 void Text::render(Renderer2D& renderer) const
 {
 	renderer.draw(this);
-}
+}
+
+} // namespace sp

source/Graphics/Texture.cpp

@@ -3,6 +3,8 @@
 #include <Spectre/Graphics/OpenGL.h>
 #include <Spectre/Graphics/Texture.h>
 
+namespace sp {
+
 namespace {
 
 	GLint pixelFormatToInternal(enum PixelFormat format) {
@@ -252,3 +254,5 @@ bool Texture::operator!=(const Texture* other) const
 {
 	return m_id != other->m_id;
 }
+
+} // namespace sp

source/Graphics/Transformable.cpp

@@ -1,6 +1,8 @@
 
 #include <Spectre/Graphics/Transformable.h>
 
+namespace sp {
+
 Transformable::Transformable() :
 m_position		(0.0f, 0.0f),
 m_scale			(1.0f, 1.0f),
@@ -92,4 +94,6 @@ const Transform& Transformable::getTransform() const
 		m_transformNeedsUpdate = false;
 	}
 	return m_transform;
-}
+}
+
+} // namespace sp

source/Graphics/Vertex2D.cpp

@@ -1,6 +1,8 @@
 
 #include <Spectre/Graphics/Vertex2D.h>
 
+namespace sp {
+
 Vertex2D::Vertex2D() :
 position	(0.0f),
 color		(1.0f),
@@ -28,3 +30,5 @@ color		(_color),
 uv		(_uv)
 {
 }
+
+} // namespace sp