Added video settings filter options via config file - second try :-)

Set one or more of these in the config to turn the related option on:

mip_map = 1
anisotropic_filter = 1
bilinear_filter = 1
trilinear_filter = 1

src/clientmap.cpp

@@ -413,6 +413,10 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
 		m_last_drawn_sectors.clear();
 	}
 
+	bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
+	bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
+	bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
+
 	/*
 		Get time for measuring timeout.
 		
@@ -544,6 +548,11 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
 			for(u32 i=0; i<c; i++)
 			{
 				scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
+
+				buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
+				buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
+				buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
+
 				const video::SMaterial& material = buf->getMaterial();
 				video::IMaterialRenderer* rnd =
 						driver->getMaterialRenderer(material.MaterialType);

src/defaultsettings.cpp

@@ -142,5 +142,10 @@ void set_default_settings(Settings *settings)
 	settings->setDefault("full_block_send_enable_min_time_from_building", "2.0");
 	settings->setDefault("dedicated_server_step", "0.05");
 	settings->setDefault("ignore_world_load_errors", "false");
+	settings->setDefault("mip_map", "false");
+	settings->setDefault("anisotropic_filter", "false");
+	settings->setDefault("bilinear_filter", "false");
+	settings->setDefault("trilinear_filter", "false");
+
 }
 

src/guiMainMenu.h

@@ -41,6 +41,10 @@ struct MainMenuData
 	bool smooth_lighting;
 	bool clouds_3d;
 	bool opaque_water;
+	bool mip_map;
+	bool anisotropic_filter;
+	bool bilinear_filter;
+	bool trilinear_filter;
 	// Server options
 	bool creative_mode;
 	bool enable_damage;

src/main.cpp

@@ -1292,9 +1292,6 @@ int main(int argc, char *argv[])
 
 	video::IVideoDriver* driver = device->getVideoDriver();
 
-	// Disable mipmaps (because some of them look ugly)
-	driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
-
 	/*
 		This changes the minimum allowed number of vertices in a VBO.
 		Default is 500.
@@ -1439,6 +1436,11 @@ int main(int argc, char *argv[])
 				menudata.smooth_lighting = g_settings->getBool("smooth_lighting");
 				menudata.clouds_3d = g_settings->getBool("enable_3d_clouds");
 				menudata.opaque_water = g_settings->getBool("opaque_water");
+				menudata.mip_map = g_settings->getBool("mip_map");
+				menudata.anisotropic_filter = g_settings->getBool("anisotropic_filter");
+				menudata.bilinear_filter = g_settings->getBool("bilinear_filter");
+				menudata.trilinear_filter = g_settings->getBool("trilinear_filter");
+				driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, menudata.mip_map);
 				menudata.creative_mode = g_settings->getBool("creative_mode");
 				menudata.enable_damage = g_settings->getBool("enable_damage");
 				// Default to selecting nothing
@@ -1552,6 +1554,12 @@ int main(int argc, char *argv[])
 				g_settings->set("smooth_lighting", itos(menudata.smooth_lighting));
 				g_settings->set("enable_3d_clouds", itos(menudata.clouds_3d));
 				g_settings->set("opaque_water", itos(menudata.opaque_water));
+
+				g_settings->set("mip_map", itos(menudata.mip_map));
+				g_settings->set("anisotropic_filter", itos(menudata.anisotropic_filter));
+				g_settings->set("bilinear_filter", itos(menudata.bilinear_filter));
+				g_settings->set("trilinear_filter", itos(menudata.trilinear_filter));
+
 				g_settings->set("creative_mode", itos(menudata.creative_mode));
 				g_settings->set("enable_damage", itos(menudata.enable_damage));
 				g_settings->set("name", playername);