new texture stuff quite working

minetest.vcproj

@@ -57,6 +57,7 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
+				AdditionalDependencies="wsock32.lib"
 				AdditionalLibraryDirectories="&quot;..\irrlicht\irrlicht-1.7.1\lib\Win32-visualstudio&quot;;..\zlib125dll\dll32"
 				IgnoreAllDefaultLibraries="false"
 				GenerateDebugInformation="true"
@@ -136,6 +137,7 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
+				AdditionalDependencies="wsock32.lib"
 				AdditionalLibraryDirectories="&quot;..\irrlicht\irrlicht-1.7.1\lib\Win32-visualstudio&quot;;..\zlib125dll\dll32"
 				IgnoreDefaultLibraryNames="libcmtd.dll"
 				GenerateDebugInformation="false"

src/CMakeLists.txt

@@ -10,9 +10,11 @@ add_definitions ( -DUSE_CMAKE_CONFIG_H )
 
 if(WIN32)
 	# Windows
-	if(MSVC)
+	if(MSVC) # MSVC Specifics
 		# Surpress some useless warnings
 		add_definitions ( /D "_CRT_SECURE_NO_DEPRECATE" /W1 )
+	else() # Probably MinGW = GCC
+		set(PLATFORM_LIBS ws2_32.lib)
 	endif()
 	# Zlib stuff
 	set(ZLIB_INCLUDE_DIR "${PROJECT_SOURCE_DIR}/../../zlib/zlib-1.2.5"

src/debug.h

@@ -33,7 +33,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #ifdef _WIN32
 	#define WIN32_LEAN_AND_MEAN
 	#include <windows.h>
-	#include <eh.h>
+	#ifdef _MSC_VER
+		#include <eh.h>
+	#endif
 #else
 #endif
 

src/inventory.h

@@ -122,8 +122,7 @@ public:
 #ifndef SERVER
 	video::ITexture * getImage()
 	{
-		//TODO
+		return content_features(m_content).inventory_texture;
-		//return g_irrlicht->getTexture(content_features(m_content).inventory_texture);
 		return NULL;
 	}
 #endif
@@ -249,6 +248,9 @@ public:
 #ifndef SERVER
 	video::ITexture * getImage()
 	{
+		if(g_texturesource == NULL)
+			return NULL;
+		
 		std::string name;
 
 		if(m_subname == "Stick")
@@ -262,8 +264,7 @@ public:
 		
 		// Get such a texture
 		//return g_irrlicht->getTexture(name);
-		//TODO
+		return g_texturesource->getTextureRaw(name);
-		return NULL;
 	}
 #endif
 	std::string getText()
@@ -329,6 +330,9 @@ public:
 #ifndef SERVER
 	video::ITexture * getImage()
 	{
+		if(g_texturesource == NULL)
+			return NULL;
+		
 		std::string basename;
 		if(m_toolname == "WPick")
 			basename = "tool_wpick.png";
@@ -348,31 +352,14 @@ public:
 		
 		float value_f = (float)toolprogress / (float)maxprogress;
 		std::ostringstream os;
-		os<<"[progressbar"<<value_f;
+		os<<basename<<"^[progressbar"<<value_f;
+
+		return g_texturesource->getTextureRaw(os.str());
 
 		/*TextureSpec spec;
 		spec.addTid(g_irrlicht->getTextureId(basename));
 		spec.addTid(g_irrlicht->getTextureId(os.str()));
 		return g_irrlicht->getTexture(spec);*/
-		//TODO
-		return NULL;
-
-		/*// Make texture name for the new texture with a progress bar
-		float value_f = (float)toolprogress / (float)maxprogress;
-		std::ostringstream os;
-		os<<basename<<"[[mod:progressbar"<<value_f;
-		return g_irrlicht->getTexture(os.str());*/
-
-		/*// Make texture name for the new texture with a progress bar
-		std::ostringstream os;
-		os<<basename<<"-toolprogress-"<<toolprogress;
-		std::string finalname = os.str();
-
-		float value_f = (float)toolprogress / (float)maxprogress;
-		
-		// Get such a texture
-		TextureMod *mod = new ProgressBarTextureMod(value_f);
-		return g_irrlicht->getTexture(TextureSpec(finalname, basename, mod));*/
 	}
 #endif
 	std::string getText()

src/main.cpp

@@ -267,9 +267,15 @@ Doing now (most important at the top):
 # maybe done
 * not done
 
-=== Stuff being done
+=== Immediate stuff
 * Combine meshes to bigger ones in ClientMap and set them EHM_STATIC
 
+=== Making it more portable
+* MinGW: Switch away from swprintf; mingw has a bad version of it.
+  Use snprintf + narrow_to_wide or (w)ostringstream
+* Some MSVC: std::sto* are defined without a namespace and collide
+  with the ones in utility.h
+
 === Stuff to do before release
 * Save the new mapgen stuff
   - map/meta.txt, which should contain only plain text, something like this:
@@ -331,12 +337,12 @@ Doing now (most important at the top):
 #endif
 
 #ifdef _MSC_VER
-#pragma comment(lib, "Irrlicht.lib")
+	#pragma comment(lib, "Irrlicht.lib")
-//#pragma comment(lib, "jthread.lib")
+	//#pragma comment(lib, "jthread.lib")
-#pragma comment(lib, "zlibwapi.lib")
+	#pragma comment(lib, "zlibwapi.lib")
-#pragma comment(lib, "Shell32.lib")
+	#pragma comment(lib, "Shell32.lib")
-// This would get rid of the console window
+	// This would get rid of the console window
-//#pragma comment(linker, "/subsystem:windows /ENTRY:mainCRTStartup")
+	//#pragma comment(linker, "/subsystem:windows /ENTRY:mainCRTStartup")
 #endif
 
 #include <iostream>
@@ -1548,9 +1554,8 @@ int main(int argc, char *argv[])
 		These are needed for unit tests at least.
 	*/
 	
-	IIrrlichtWrapper irrlicht_dummy;
+	// Initial call with g_texturesource not set.
-
+	init_mapnode();
-	init_mapnode(&irrlicht_dummy);
 
 	/*
 		Run unit tests
@@ -1716,7 +1721,7 @@ int main(int argc, char *argv[])
 	*/
 
 	init_content_inventory_texture_paths();
-	init_mapnode(g_irrlicht);
+	init_mapnode(); // Second call with g_texturesource set
 	init_mineral(g_irrlicht);
 
 	/*

src/mapblock.cpp

@@ -341,20 +341,21 @@ TileSpec MapBlock::getNodeTile(MapNode mn, v3s16 p, v3s16 face_dir,
 				Get texture id, translate it to name, append stuff to
 				name, get texture id
 			*/
+
 			// Get original texture name
 			u32 orig_id = spec.texture.id;
 			std::string orig_name = g_texturesource->getTextureName(orig_id);
+
 			// Create new texture name
 			std::ostringstream os;
 			os<<orig_name<<"^[crack"<<mod.param;
-			//os<<orig_name<<"^[progressbar0.5";
+
-			//os<<"mese.png";
 			// Get new texture
 			u32 new_id = g_texturesource->getTextureId(os.str());
 			
-			dstream<<"MapBlock::getNodeTile(): Switching from "
+			/*dstream<<"MapBlock::getNodeTile(): Switching from "
 					<<orig_name<<" to "<<os.str()<<" ("
-					<<orig_id<<" to "<<new_id<<")"<<std::endl;
+					<<orig_id<<" to "<<new_id<<")"<<std::endl;*/
 			
 			spec.texture = g_texturesource->getTexture(new_id);
 		}
@@ -864,20 +865,20 @@ void MapBlock::updateMesh(u32 daynight_ratio)
 			//material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 			material.MaterialType
 					= video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
-			//TODO
+
-			/*if(dir == v3s16(0,-1,0))
+			if(dir == v3s16(0,-1,0))
 				material.setTexture(0,
-						g_irrlicht->getTexture("torch_on_floor.png"));
+						g_texturesource->getTextureRaw("torch_on_floor.png"));
 			else if(dir == v3s16(0,1,0))
 				material.setTexture(0,
-						g_irrlicht->getTexture("torch_on_ceiling.png"));
+						g_texturesource->getTextureRaw("torch_on_ceiling.png"));
 			// For backwards compatibility
 			else if(dir == v3s16(0,0,0))
 				material.setTexture(0,
-						g_irrlicht->getTexture("torch_on_floor.png"));
+						g_texturesource->getTextureRaw("torch_on_floor.png"));
 			else
 				material.setTexture(0, 
-						g_irrlicht->getTexture("torch.png"));*/
+						g_texturesource->getTextureRaw("torch.png"));
 
 			u16 indices[] = {0,1,2,2,3,0};
 			// Add to mesh collector

src/mapnode.cpp

@@ -44,6 +44,39 @@ void ContentFeatures::setTexture(u16 i, std::string name, u8 alpha)
 		tiles[i].alpha = alpha;
 		tiles[i].material_type = MATERIAL_ALPHA_VERTEX;
 	}
+
+	if(inventory_texture == NULL)
+		setInventoryTexture(name);
+}
+
+void ContentFeatures::setInventoryTexture(std::string imgname)
+{
+	if(g_texturesource == NULL)
+		return;
+	
+	imgname += "^[forcesingle";
+	
+	inventory_texture = g_texturesource->getTextureRaw(imgname);
+}
+
+void ContentFeatures::setInventoryTextureCube(std::string top,
+		std::string left, std::string right)
+{
+	if(g_texturesource == NULL)
+		return;
+	
+	str_replace_char(top, '^', '&');
+	str_replace_char(left, '^', '&');
+	str_replace_char(right, '^', '&');
+
+	std::string imgname_full;
+	imgname_full += "[inventorycube{";
+	imgname_full += top;
+	imgname_full += "{";
+	imgname_full += left;
+	imgname_full += "{";
+	imgname_full += right;
+	inventory_texture = g_texturesource->getTextureRaw(imgname_full);
 }
 
 struct ContentFeatures g_content_features[256];
@@ -53,8 +86,24 @@ ContentFeatures & content_features(u8 i)
 	return g_content_features[i];
 }
 
-void init_mapnode(IIrrlichtWrapper *irrlicht)
+/*
+	See mapnode.h for description.
+*/
+void init_mapnode()
 {
+	if(g_texturesource == NULL)
+	{
+		dstream<<"INFO: Initial run of init_mapnode with "
+				"g_texturesource=NULL. If this segfaults, "
+				"there is a bug with something not checking for "
+				"the NULL value."<<std::endl;
+	}
+	else
+	{
+		dstream<<"INFO: Full run of init_mapnode with "
+				"g_texturesource!=NULL"<<std::endl;
+	}
+
 	// Read some settings
 	bool new_style_water = g_settings.getBool("new_style_water");
 	bool new_style_leaves = g_settings.getBool("new_style_leaves");
@@ -88,6 +137,7 @@ void init_mapnode(IIrrlichtWrapper *irrlicht)
 	i = CONTENT_STONE;
 	f = &g_content_features[i];
 	f->setAllTextures("stone.png");
+	f->setInventoryTextureCube("stone.png", "stone.png", "stone.png");
 	f->param_type = CPT_MINERAL;
 	f->is_ground_content = true;
 	
@@ -96,13 +146,11 @@ void init_mapnode(IIrrlichtWrapper *irrlicht)
 	f->setAllTextures("mud.png^grass_side.png");
 	f->setTexture(0, "grass.png");
 	f->setTexture(1, "mud.png");
-	//f->setInventoryTexture(irrlicht->getTextureId("grass.png"));
 	f->param_type = CPT_MINERAL;
 	f->is_ground_content = true;
 	
 	i = CONTENT_GRASS_FOOTSTEPS;
 	f = &g_content_features[i];
-	//f->setInventoryTexture(irrlicht->getTextureId("grass_footsteps.png"));
 	f->setAllTextures("mud.png^grass_side.png");
 	f->setTexture(0, "grass_footsteps.png");
 	f->setTexture(1, "mud.png");
@@ -126,7 +174,6 @@ void init_mapnode(IIrrlichtWrapper *irrlicht)
 	f->setAllTextures("tree.png");
 	f->setTexture(0, "tree_top.png");
 	f->setTexture(1, "tree_top.png");
-	//f->setInventoryTexture(irrlicht->getTextureId("tree_top.png"));
 	f->param_type = CPT_MINERAL;
 	f->is_ground_content = true;
 	
@@ -148,26 +195,21 @@ void init_mapnode(IIrrlichtWrapper *irrlicht)
 	i = CONTENT_COALSTONE;
 	f = &g_content_features[i];
 	//f->translate_to = new MapNode(CONTENT_STONE, MINERAL_COAL);
-	/*f->setAllTextures(TextureSpec(irrlicht->getTextureId("coal.png"),
-			irrlicht->getTextureId("mineral_coal.png")));*/
 	f->setAllTextures("stone.png^mineral_coal.png");
 	f->is_ground_content = true;
 	
 	i = CONTENT_WOOD;
 	f = &g_content_features[i];
-	//f->setAllTextures(irrlicht->getTextureId("wood.png"));
 	f->setAllTextures("wood.png");
 	f->is_ground_content = true;
 	
 	i = CONTENT_MESE;
 	f = &g_content_features[i];
-	//f->setAllTextures(irrlicht->getTextureId("mese.png"));
 	f->setAllTextures("mese.png");
 	f->is_ground_content = true;
 	
 	i = CONTENT_CLOUD;
 	f = &g_content_features[i];
-	//f->setAllTextures(irrlicht->getTextureId("cloud.png"));
 	f->setAllTextures("cloud.png");
 	f->is_ground_content = true;
 	
@@ -184,7 +226,7 @@ void init_mapnode(IIrrlichtWrapper *irrlicht)
 	
 	i = CONTENT_WATER;
 	f = &g_content_features[i];
-	//f->setInventoryTexture(irrlicht->getTextureId("water.png"));
+	f->setInventoryTextureCube("water.png", "water.png", "water.png");
 	f->param_type = CPT_LIGHT;
 	f->light_propagates = true;
 	f->solidness = 0; // Drawn separately, makes no faces
@@ -196,7 +238,7 @@ void init_mapnode(IIrrlichtWrapper *irrlicht)
 	
 	i = CONTENT_WATERSOURCE;
 	f = &g_content_features[i];
-	//f->setInventoryTexture(irrlicht->getTextureId("water.png"));
+	f->setInventoryTexture("water.png");
 	if(new_style_water)
 	{
 		f->solidness = 0; // drawn separately, makes no faces
@@ -224,6 +266,7 @@ void init_mapnode(IIrrlichtWrapper *irrlicht)
 	
 	i = CONTENT_TORCH;
 	f = &g_content_features[i];
+	f->setInventoryTexture("torch_on_floor.png");
 	f->param_type = CPT_LIGHT;
 	f->light_propagates = true;
 	f->solidness = 0; // drawn separately, makes no faces

src/mapnode.h

@@ -33,9 +33,15 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	Initializes all kind of stuff in here.
 	Many things depend on this.
 
-	irrlicht: Used for getting texture ids.
+	This accesses g_texturesource; if it is non-NULL, textures are set.
+
+	Client first calls this with g_texturesource=NULL to run some
+	unit tests and stuff, then it runs this again with g_texturesource
+	defined to get the textures.
+
+	Server only calls this once with g_texturesource=NULL.
 */
-void init_mapnode(IIrrlichtWrapper *irrlicht);
+void init_mapnode();
 
 // Initializes g_content_inventory_texture_paths
 void init_content_inventory_texture_paths();
@@ -137,6 +143,7 @@ struct ContentFeatures
 	//std::string inventory_image_path;
 	//TextureSpec inventory_texture;
 	//u32 inventory_texture_id;
+	video::ITexture *inventory_texture;
 
 	bool is_ground_content; //TODO: Remove, use walkable instead
 	bool light_propagates;
@@ -155,6 +162,7 @@ struct ContentFeatures
 	{
 		translate_to = NULL;
 		param_type = CPT_NONE;
+		inventory_texture = NULL;
 		is_ground_content = false;
 		light_propagates = false;
 		sunlight_propagates = false;
@@ -212,15 +220,10 @@ struct ContentFeatures
 		}
 	}
 
-	/*void setInventoryTexture(const TextureSpec &spec)
+	void setInventoryTexture(std::string imgname);
-	{
+	
-		inventory_texture = spec;
+	void setInventoryTextureCube(std::string top,
-	}*/
+			std::string left, std::string right);
-
-	/*void setInventoryImage(std::string imgname)
-	{
-		inventory_image_path = porting::getDataPath(imgname.c_str());
-	}*/
 };
 
 /*

src/materials.cpp

@@ -33,7 +33,7 @@ void initializeMaterialProperties()
 	setStoneLikeDiggingProperties(CONTENT_STONE, 1.0);
 
 	g_material_properties[CONTENT_GRASS].setDiggingProperties("",
-			DiggingProperties(true, 0.5, 0));
+			DiggingProperties(true, 0.4, 0));
 
 	g_material_properties[CONTENT_TORCH].setDiggingProperties("",
 			DiggingProperties(true, 0.0, 0));
@@ -42,7 +42,7 @@ void initializeMaterialProperties()
 			DiggingProperties(true, 1.5, 0));
 
 	g_material_properties[CONTENT_LEAVES].setDiggingProperties("",
-			DiggingProperties(true, 0.5, 0));
+			DiggingProperties(true, 0.35, 0));
 
 	g_material_properties[CONTENT_GRASS_FOOTSTEPS].setDiggingProperties("",
 			DiggingProperties(true, 0.5, 0));
@@ -50,7 +50,7 @@ void initializeMaterialProperties()
 	setStoneLikeDiggingProperties(CONTENT_MESE, 0.5);
 
 	g_material_properties[CONTENT_MUD].setDiggingProperties("",
-			DiggingProperties(true, 0.5, 0));
+			DiggingProperties(true, 0.4, 0));
 
 	setStoneLikeDiggingProperties(CONTENT_COALSTONE, 1.5);
 

src/porting.h

@@ -30,7 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "debug.h"
 #include "constants.h"
 
-#ifdef _WIN32
+#ifdef _MSC_VER
 	#define SWPRINTF_CHARSTRING L"%S"
 #else
 	#define SWPRINTF_CHARSTRING L"%s"

src/socket.h

@@ -22,10 +22,16 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #ifdef _WIN32
 	#define WIN32_LEAN_AND_MEAN
+	// Without this some of the network functions are not found on mingw
+	#ifndef _WIN32_WINNT
+		#define _WIN32_WINNT 0x0501
+	#endif
 	#include <windows.h>
 	#include <winsock2.h>
 	#include <ws2tcpip.h>
-	#pragma comment(lib, "wsock32.lib")
+	#ifdef _MSC_VER
+		#pragma comment(lib, "wsock32.lib")
+	#endif
 typedef SOCKET socket_t;
 typedef int socklen_t;
 #else

src/tile.cpp

@@ -626,8 +626,23 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
 		dstream<<"INFO: getTextureIdDirect(): generating special "
 				<<"modification \""<<part_of_name<<"\""
 				<<std::endl;
+		
+		/*
+			This is the simplest of all; it just adds stuff to the
+			name so that a separate texture is created.
 
-		if(part_of_name.substr(0,6) == "[crack")
+			It is used to make textures for stuff that doesn't want
+			to implement getting the texture from a bigger texture
+			atlas.
+		*/
+		if(part_of_name == "[forcesingle")
+		{
+		}
+		/*
+			[crackN
+			Adds a cracking texture
+		*/
+		else if(part_of_name.substr(0,6) == "[crack")
 		{
 			if(baseimg == NULL)
 			{
@@ -671,9 +686,12 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
 				crackimage->drop();
 			}
 		}
+		/*
+			[combine:WxH:X,Y=filename:X,Y=filename2
+			Creates a bigger texture from an amount of smaller ones
+		*/
 		else if(part_of_name.substr(0,8) == "[combine")
 		{
-			// "[combine:16x128:0,0=stone.png:0,16=grass.png"
 			Strfnd sf(part_of_name);
 			sf.next(":");
 			u32 w0 = stoi(sf.next("x"));
@@ -713,6 +731,10 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
 				}
 			}
 		}
+		/*
+			[progressbarN
+			Adds a progress bar, 0.0 <= N <= 1.0
+		*/
 		else if(part_of_name.substr(0,12) == "[progressbar")
 		{
 			if(baseimg == NULL)
@@ -726,8 +748,13 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
 			float value = stof(part_of_name.substr(12));
 			make_progressbar(value, baseimg);
 		}
-		// "[noalpha:filename.png"
+		/*
-		// Use an image without it's alpha channel
+			"[noalpha:filename.png"
+			Use an image without it's alpha channel.
+			Used for the leaves texture when in old leaves mode, so
+			that the transparent parts don't look completely black 
+			when simple alpha channel is used for rendering.
+		*/
 		else if(part_of_name.substr(0,8) == "[noalpha")
 		{
 			if(baseimg != NULL)
@@ -771,6 +798,76 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
 				image->drop();
 			}
 		}
+		/*
+			[inventorycube{topimage{leftimage{rightimage
+			In every subimage, replace ^ with &.
+			Create an "inventory cube".
+			NOTE: This should be used only on its own.
+			Example (a grass block (not actually used in game):
+			"[inventorycube{grass.png{mud.png&grass_side.png{mud.png&grass_side.png"
+		*/
+		else if(part_of_name.substr(0,14) == "[inventorycube")
+		{
+			if(baseimg != NULL)
+			{
+				dstream<<"WARNING: getTextureIdDirect(): baseimg!=NULL "
+						<<"for part_of_name="<<part_of_name
+						<<", cancelling."<<std::endl;
+				return false;
+			}
+
+			// This is just a placeholder
+
+			str_replace_char(part_of_name, '&', '^');
+			Strfnd sf(part_of_name);
+			sf.next("{");
+			std::string imagename_top = sf.next("{");
+			std::string imagename_left = sf.next("{");
+			std::string imagename_right = sf.next("{");
+
+			baseimg = generate_image_from_scratch(
+					imagename_top, driver);
+
+			//TODO
+#if 0
+			if(driver->queryFeature(video::EVDF_RENDER_TO_TARGET) == false)
+			{
+				dstream<<"WARNING: getTextureIdDirect(): EVDF_RENDER_TO_TARGET"
+						" not supported"<<std::endl;
+				return false;
+			}
+			
+			u32 w0 = 16;
+			u32 h0 = 16;
+			dstream<<"INFO: inventorycube w="<<w0<<" h="<<h0<<std::endl;
+			core::dimension2d<u32> dim(w0,h0);
+
+			//baseimg = driver->createImage(video::ECF_A8R8G8B8, dim);
+
+			video::IImage *img_top = generate_image_from_scratch(
+					imagename_top, driver);
+			video::IImage *img_left = generate_image_from_scratch(
+					imagename_left, driver);
+			video::IImage *img_right = generate_image_from_scratch(
+					imagename_right, driver);
+			
+			// Render target texture
+			video::ITexture *rtt = NULL;
+			std::string rtt_name = part_of_name + "_RTT";
+			
+			rtt = driver->addRenderTargetTexture(dim, rtt_name.c_str());
+			assert(rtt);
+			
+			
+			
+			img_top->drop();
+			img_left->drop();
+			img_right->drop();
+			
+			//TODO
+			assert(0);
+#endif
+		}
 		else
 		{
 			dstream<<"WARNING: getTextureIdDirect(): Invalid "

src/tile.h

@@ -192,6 +192,13 @@ public:
 	{
 		return getTexture(getTextureId(name));
 	}
+	
+	// Gets a separate texture
+	video::ITexture* getTextureRaw(const std::string &name)
+	{
+		AtlasPointer ap = getTexture(name);
+		return ap.atlas;
+	}
 
 private:
 	/*

src/utility.h

@@ -716,6 +716,26 @@ inline std::string ftos(float f)
 	return o.str();
 }
 
+inline void str_replace(std::string & str, std::string const & pattern,
+		std::string const & replacement)
+{
+	std::string::size_type start = str.find(pattern, 0);
+	while(start != str.npos)
+	{
+		str.replace(start, pattern.size(), replacement);
+		start = str.find(pattern, start+replacement.size());
+	}
+}
+
+inline void str_replace_char(std::string & str, char from, char to)
+{
+	for(unsigned int i=0; i<str.size(); i++)
+	{
+		if(str[i] == from)
+			str[i] = to;
+	}
+}
+
 /*
 	A base class for simple background thread implementation
 */