Mainly some texture tweaking

src/constants.h

@@ -32,6 +32,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #define DEBUGFILE "debug.txt"
 
+#define WATER_ALPHA 160
+
 // Define for simulating the quirks of sending through internet.
 // Causes the socket class to deliberately drop random packets.
 // This disables unit testing of socket and connection.

src/irrlichtwrapper.cpp

@@ -175,6 +175,40 @@ video::ITexture * CrackTextureMod::make(video::ITexture *original,
 	return newtexture;
 }
 
+video::ITexture * SideGrassTextureMod::make(video::ITexture *original,
+		const char *newname, video::IVideoDriver* driver)
+{
+	// Size of the base image
+	core::dimension2d<u32> dim(16, 16);
+	// Position to copy the grass to in the base image
+	core::position2d<s32> pos_base(0, 0);
+	// Position to copy the grass from in the grass image
+	core::position2d<s32> pos_other(0, 0);
+
+	video::IImage *baseimage = driver->createImage(original, pos_base, dim);
+	assert(baseimage);
+
+	video::IImage *grassimage = driver->createImageFromFile(porting::getDataPath("grass_side.png").c_str());
+	assert(grassimage);
+	
+	// Then copy the right part of grassimage to baseimage
+	
+	grassimage->copyToWithAlpha(baseimage, v2s32(0,0),
+			core::rect<s32>(pos_other, dim),
+			video::SColor(255,255,255,255),
+			NULL);
+	
+	grassimage->drop();
+
+	// Create texture from resulting image
+
+	video::ITexture *newtexture = driver->addTexture(newname, baseimage);
+
+	baseimage->drop();
+
+	return newtexture;
+}
+
 video::ITexture * ProgressBarTextureMod::make(video::ITexture *original,
 		const char *newname, video::IVideoDriver* driver)
 {

src/irrlichtwrapper.h

@@ -97,6 +97,16 @@ struct CrackTextureMod: public TextureMod
 	u16 progression;
 };
 
+struct SideGrassTextureMod: public TextureMod
+{
+	SideGrassTextureMod()
+	{
+	}
+	
+	virtual video::ITexture * make(video::ITexture *original,
+			const char *newname, video::IVideoDriver* driver);
+};
+
 struct ProgressBarTextureMod: public TextureMod
 {
 	// value is from 0.0 to 1.0

src/main.cpp

@@ -76,9 +76,6 @@ SUGG: Split MapBlockObject serialization to to-client and to-disk
       - This will allow saving ages of rats on disk but not sending
 	    them to clients
 
-SUGG: Implement lighting using VoxelManipulator
-      - Would it be significantly faster?
-
 SUGG: MovingObject::move and Player::move are basically the same.
       combine them.
 
@@ -168,6 +165,8 @@ TODO: Make fetching sector's blocks more efficient when rendering
       sectors that have very large amounts of blocks (on client)
 	  - Is this necessary at all?
 
+TODO: Flowing water animation
+
 Configuration:
 --------------
 
@@ -231,8 +230,8 @@ Block object server side:
 	    - TODO: For incoming blocks, time difference is calculated and
 	      objects are stepped according to it.
 
-Map generator:
---------------
+Map:
+----
 
 NOTE: There are some lighting-related todos and fixmes in
       ServerMap::emergeBlock. And there always will be. 8)
@@ -245,6 +244,8 @@ TODO: Map generator version 2
     - Cliffs, arcs
 	- There could be a certain height (to which mountains only reach)
 	  where some minerals are found
+	- Create a system that allows a huge amount of different "map
+	  generator modules/filters"
 
 TODO: Change AttributeList to split the area into smaller sections so
       that searching won't be as heavy.
@@ -256,6 +257,10 @@ FIXME: The new pre-sunlight-propagation code messes up with initial
 
 TODO: Remove HMParams
 
+TODO: Flowing water to actually contain flow direction information
+
+TODO: Faster lighting using VoxelManipulator
+
 Doing now:
 ----------
 
@@ -1532,8 +1537,7 @@ int main(int argc, char *argv[])
 	*/
 
 	init_content_inventory_texture_paths();
-	init_tile_texture_paths();
-	tile_materials_preload(g_irrlicht);
+	init_tile_textures();
 
 	/*
 		GUI stuff

src/map.cpp

@@ -1624,7 +1624,7 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
 			}
 			
 			// If n2_changed to bottom, don't flow anywhere else
-			if(to_bottom && flowed)
+			if(to_bottom && flowed && !is_source)
 				break;
 				
 			}catch(InvalidPositionException &e)
@@ -1770,7 +1770,7 @@ ServerMap::ServerMap(std::string savedir, HMParams hmp, MapParams mp):
 			float randmax = 0;
 			float randfactor = 0;
 
-			if(myrand()%4 == 0)
+			if(myrand()%5 == 0)
 			{
 				baseheight = 100;
 				randmax = 50;
@@ -2602,7 +2602,7 @@ continue_generating:
 					(float)(myrand()%ued)+0.5
 				);
 				s16 min_d = 0;
-				s16 max_d = 6;
+				s16 max_d = 4;
 				s16 rs = (myrand()%(max_d-min_d+1))+min_d;
 				
 				v3f vec = rp - orp;

src/mapblock.cpp

@@ -268,7 +268,7 @@ void MapBlock::makeFastFace(TileSpec tile, u8 light, v3f p,
 
 	if(tile.id == TILE_WATER)
 	{
-		alpha = 128;
+		alpha = WATER_ALPHA;
 	}
 
 	video::SColor c = video::SColor(alpha,li,li,li);
@@ -797,7 +797,7 @@ void MapBlock::updateMesh(u32 daynight_ratio)
 			}catch(InvalidPositionException &e){}
 			
 			u8 l = decode_light(n.getLightBlend(daynight_ratio));
-			video::SColor c(128,l,l,l);
+			video::SColor c(WATER_ALPHA,l,l,l);
 			
 			// Neighbor water levels (key = relative position)
 			// Includes current node

src/tile.cpp

@@ -25,7 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 // A mapping from tiles to paths of textures
 
-const char * g_tile_texture_filenames[TILES_COUNT] =
+/*const char * g_tile_texture_filenames[TILES_COUNT] =
 {
 	NULL,
 	"stone.png",
@@ -37,13 +37,19 @@ const char * g_tile_texture_filenames[TILES_COUNT] =
 	"mese.png",
 	"mud.png",
 	"tree_top.png",
-	"mud_with_grass.png",
+	"mud.png_sidegrass",
 	"cloud.png",
 	"coalstone.png",
 	"wood.png",
-};
+};*/
 
-std::string g_tile_texture_path_strings[TILES_COUNT];
+/*
+	These can either be real paths or generated names of preloaded
+	textures (like "mud.png_sidegrass")
+*/
+std::string g_tile_texture_paths[TILES_COUNT];
+
+/*std::string g_tile_texture_path_strings[TILES_COUNT];
 const char * g_tile_texture_paths[TILES_COUNT] = {0};
 
 void init_tile_texture_paths()
@@ -60,30 +66,86 @@ void init_tile_texture_paths()
 					g_tile_texture_path_strings[i].c_str();
 		}
 	}
-}
+}*/
 
 const char * tile_texture_path_get(u32 i)
 {
 	assert(i < TILES_COUNT);
 
-	return g_tile_texture_paths[i];
+	//return g_tile_texture_paths[i];
+	return g_tile_texture_paths[i].c_str();
 }
 
 // A mapping from tiles to materials
 // Initialized at run-time.
 video::SMaterial g_tile_materials[TILES_COUNT];
 
-void tile_materials_preload(IrrlichtWrapper *irrlicht)
+enum TileTextureModID
 {
+	TTMID_NONE,
+	TTMID_SIDEGRASS,
+};
+
+struct TileTextureSpec
+{
+	const char *filename;
+	enum TileTextureModID mod;
+};
+
+/*
+	Initializes g_tile_texture_paths with paths of textures,
+	generates generated textures and creates the tile material array.
+*/
+void init_tile_textures()
+{
+	TileTextureSpec tile_texture_specs[TILES_COUNT] =
+	{
+		{NULL, TTMID_NONE},
+		{"stone.png", TTMID_NONE},
+		{"water.png", TTMID_NONE},
+		{"grass.png", TTMID_NONE},
+		{"tree.png", TTMID_NONE},
+		{"leaves.png", TTMID_NONE},
+		{"grass_footsteps.png", TTMID_NONE},
+		{"mese.png", TTMID_NONE},
+		{"mud.png", TTMID_NONE},
+		{"tree_top.png", TTMID_NONE},
+		{"mud.png", TTMID_SIDEGRASS},
+		{"cloud.png", TTMID_NONE},
+		{"coalstone.png", TTMID_NONE},
+		{"wood.png", TTMID_NONE},
+	};
+	
+	for(s32 i=0; i<TILES_COUNT; i++)
+	{
+		const char *filename = tile_texture_specs[i].filename;
+		enum TileTextureModID mod_id = tile_texture_specs[i].mod;
+
+		if(filename != NULL && std::string("") != filename)
+		{
+			std::string path = porting::getDataPath(filename);
+			std::string mod_postfix = "";
+			if(mod_id == TTMID_SIDEGRASS)
+			{
+				mod_postfix = "_sidegrass";
+				// Generate texture
+				TextureMod *mod = new SideGrassTextureMod();
+				g_irrlicht->getTexture(TextureSpec(path + mod_postfix,
+						path, mod));
+			}
+			g_tile_texture_paths[i] = path + mod_postfix;
+		}
+	}
+
 	for(s32 i=0; i<TILES_COUNT; i++)
 	{
 		const char *path = tile_texture_path_get(i);
 
 		video::ITexture *t = NULL;
 
-		if(path != NULL)
+		if(path != NULL && std::string("") != path)
 		{
-			t = irrlicht->getTexture(path);
+			t = g_irrlicht->getTexture(path);
 			assert(t != NULL);
 		}
 
@@ -99,7 +161,7 @@ void tile_materials_preload(IrrlichtWrapper *irrlicht)
 
 		g_tile_materials[i].setTexture(0, t);
 	}
-	
+
 	g_tile_materials[TILE_WATER].MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
 	//g_tile_materials[TILE_WATER].MaterialType = video::EMT_TRANSPARENT_ADD_COLOR;
 }

src/tile.h

@@ -99,13 +99,10 @@ struct TileSpec
 	Functions
 */
 
-void init_tile_texture_paths();
+void init_tile_textures();
 
 const char * tile_texture_path_get(u32 i);
 
-// Initializes g_tile_materials
-void tile_materials_preload(IrrlichtWrapper *irrlicht);
-
 video::SMaterial & tile_material_get(u32 i);
 
 #endif