3 files changed, 37 insertions, 15 deletions

diff --git a/src/render/state.cc b/src/render/state.cc
index 996b94c..649493e 100644
--- a/src/render/state.cc
+++ b/src/render/state.cc
@@ -6,6 +6,7 @@
 
 #include "render/state.h"
 #include "render/gl.h"
+#include "render/render.h"
 
 namespace render {
 
@@ -41,7 +42,7 @@ void State::clear()
 	gl::clearcolor(0.0f, 0.0f, 0.0f, 1.0f);
 
 	// load identity matrices
-	gl::matrixmode(GL_MODELVIEW);
+	gl::matrixmode(GL_PROJECTION);
 	gl::loadidentity();
 
 	gl::matrixmode(GL_MODELVIEW);
diff --git a/src/render/textures.cc b/src/render/textures.cc
index 60c82c2..a340814 100644
--- a/src/render/textures.cc
+++ b/src/render/textures.cc
@@ -74,7 +74,7 @@ void Textures::clear()
 	memset(textures,0, sizeof(textures));
 }
 
-void Textures::unload(std::string name)
+void Textures::unload(const std::string &name)
 {
 	iterator it = registry.find(name);
 	if (it != registry.end()) {
@@ -82,13 +82,13 @@ void Textures::unload(std::string name)
 		size_t id = (*it).second;
 		if (textures[id]) {
 			glDeleteTextures(1, &textures[id]);
+			textures[id] = 0;
 		}
 		registry.erase(it);
-		
 	}
 }
 
-void Textures::unload(size_t id)
+void Textures::unload(const size_t id)
 {
 	// find in map
 	for (iterator it = registry.begin(); it != registry.end(); it++) {
@@ -97,6 +97,7 @@ void Textures::unload(size_t id)
 			size_t id = (*it).second;
 			if (textures[id]) {
 				glDeleteTextures(1, &textures[id]);
+				textures[id] = 0;
 			}
 			registry.erase(it);
 			break;
@@ -104,7 +105,15 @@ void Textures::unload(size_t id)
 	}
 }
 
-size_t Textures::load(std::string name, bool filter)
+size_t Textures::load(const char *name, const bool filter)
+{
+	if (name)
+		return load(std::string(name), filter);
+	else
+		return 0;
+}
+
+size_t Textures::load(const std::string &name, const bool filter)
 {
 	// check if it is already loaded
 	iterator it = registry.find(name);
@@ -176,7 +185,7 @@ size_t Textures::load(std::string name, bool filter)
 	return id;
 }
 
-size_t Textures::find(std::string name)
+size_t Textures::find(const std::string &name)
 {
 	size_t id = 0;
 	iterator it = registry.find(name);
@@ -185,7 +194,15 @@ size_t Textures::find(std::string name)
 	return id;
 }
 
-size_t Textures::bind(std::string name, bool filter)
+size_t Textures::bind(const char *name, const bool filter)
+{
+	if (name)
+		return bind(std::string(name), filter);
+	else
+		return 0;
+}
+
+size_t Textures::bind(const std::string &name, const bool filter)
 {
 	size_t id = 0;
 	iterator it = registry.find(name);
@@ -199,7 +216,7 @@ size_t Textures::bind(std::string name, bool filter)
 	return id;
 }
 
-size_t Textures::bind(size_t texture, bool filter)
+size_t Textures::bind(const size_t texture, const bool filter)
 {
 	size_t id = texture;
 	if (!textures[id])
@@ -210,7 +227,7 @@ size_t Textures::bind(size_t texture, bool filter)
 	return id;
 }
 
-void Textures::set_filter(bool filter)
+void Textures::set_filter(const bool filter)
 {
 	if (filter) {
 		glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_NEAREST);
diff --git a/src/render/textures.h b/src/render/textures.h
index aa47bfa..5a20641 100644
--- a/src/render/textures.h
+++ b/src/render/textures.h
@@ -30,24 +30,28 @@ public:
 	/// Load a texture
 	/** Returns 0 on failure, and the texture index on success
 	 */
-	static size_t load(std::string name, bool filter = true);
+	static size_t load(const std::string & name, const bool filter = true);
+
+	static size_t load(const char *name, const bool filter = true);
 
 	/// bind a texture for OpenGL usage
 	/** Returns 0 on failure, and the texture index on success
 	 */
-	static size_t bind(std::string name, bool filter = true);
+	static size_t bind(const std::string &name, const bool filter = true);
+
+	static size_t bind(const char *name, const bool filter = true);
 
 	/// bind a texture for OpenGL usage
-	static size_t bind(size_t texture, bool filter = true);
+	static size_t bind(const size_t texture, const bool filter = true);
 
 	/// find the texture index for a given name
-	static size_t find(std::string name);
+	static size_t find(const std::string &name);
 
 	/// unload a texture
-	static void unload(size_t id);
+	static void unload(const size_t id);
 
 	/// unload a texture
-	static void unload(std::string name);
+	static void unload(const std::string &name);
 
 	/// list loaded textures
 	static void list();