]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/tile.cpp
mapgen tweaking
[dragonfireclient.git] / src / tile.cpp
index 4a6523aca5d255a9174ea6d2e6b4817ffc77d16d..1f4456653f5a1867e60defac5eb03a7dd3dc79cd 100644 (file)
@@ -19,6 +19,91 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "tile.h"
 #include "debug.h"
+#include "main.h" // for g_settings
+#include "filesys.h"
+
+/*
+       Replaces the filename extension.
+       eg:
+               std::string image = "a/image.png"
+               replace_ext(image, "jpg")
+               -> image = "a/image.jpg"
+       Returns true on success.
+*/
+inline bool replace_ext(std::string &path, const char *ext)
+{
+       if(ext == NULL)
+               return false;
+       // Find place of last dot, fail if \ or / found.
+       s32 last_dot_i = -1;
+       for(s32 i=path.size()-1; i>=0; i--)
+       {
+               if(path[i] == '.')
+               {
+                       last_dot_i = i;
+                       break;
+               }
+               
+               if(path[i] == '\\' || path[i] == '/')
+                       break;
+       }
+       // If not found, return an empty string
+       if(last_dot_i == -1)
+               return false;
+       // Else make the new path
+       path = path.substr(0, last_dot_i+1) + ext;
+       return true;
+}
+
+/*
+       Find out the full path of an image by trying different filename
+       extensions.
+
+       If failed, return "".
+*/
+inline std::string getImagePath(std::string path)
+{
+       // A NULL-ended list of possible image extensions
+       const char *extensions[] = {
+               "png", "jpg", "bmp", "tga",
+               "pcx", "ppm", "psd", "wal", "rgb",
+               NULL
+       };
+
+       const char **ext = extensions;
+       do{
+               bool r = replace_ext(path, *ext);
+               if(r == false)
+                       return "";
+               if(fs::PathExists(path))
+                       return path;
+       }
+       while((++ext) != NULL);
+       
+       return "";
+}
+
+/*
+       Gets the path to a texture by first checking if the texture exists
+       in texture_path and if not, using the data path.
+*/
+inline std::string getTexturePath(std::string filename)
+{
+       std::string texture_path = g_settings.get("texture_path");
+       if(texture_path != "")
+       {
+               std::string fullpath = texture_path + '/' + filename;
+               // Check all filename extensions
+               fullpath = getImagePath(fullpath);
+               // If found, return it
+               if(fullpath != "")
+                       return fullpath;
+       }
+       std::string fullpath = porting::getDataPath(filename.c_str());
+       // Check all filename extensions
+       fullpath = getImagePath(fullpath);
+       return fullpath;
+}
 
 TextureSource::TextureSource(IrrlichtDevice *device):
                m_device(device),
@@ -36,7 +121,10 @@ TextureSource::TextureSource(IrrlichtDevice *device):
        m_name_to_id[""] = 0;
 
        // Build main texture atlas
-       buildMainAtlas();
+       if(g_settings.getBool("enable_texture_atlas"))
+               buildMainAtlas();
+       else
+               dstream<<"INFO: Not building texture atlas."<<std::endl;
 }
 
 TextureSource::~TextureSource()
@@ -398,7 +486,7 @@ void TextureSource::buildMainAtlas()
        sourcelist.push_back("sand.png^mineral_iron.png");
        
        // Padding to disallow texture bleeding
-       s32 padding = 8;
+       s32 padding = 16;
 
        /*
                First pass: generate almost everything
@@ -412,7 +500,7 @@ void TextureSource::buildMainAtlas()
                std::string name = sourcelist[i];
 
                /*video::IImage *img = driver->createImageFromFile(
-                               porting::getDataPath(name.c_str()).c_str());
+                               getTexturePath(name.c_str()).c_str());
                if(img == NULL)
                        continue;
                
@@ -432,6 +520,25 @@ void TextureSource::buildMainAtlas()
                }
 
                core::dimension2d<u32> dim = img2->getDimension();
+
+               // Don't add to atlas if image is large
+               core::dimension2d<u32> max_size_in_atlas(32,32);
+               if(dim.Width > max_size_in_atlas.Width
+               || dim.Height > max_size_in_atlas.Height)
+               {
+                       dstream<<"INFO: TextureSource::buildMainAtlas(): Not adding "
+                                       <<"\""<<name<<"\" because image is large"<<std::endl;
+                       continue;
+               }
+
+               // Stop making atlas if atlas is full
+               if(pos_in_atlas.Y + dim.Height > atlas_dim.Height)
+               {
+                       dstream<<"WARNING: TextureSource::buildMainAtlas(): "
+                                       <<"Atlas is full, not adding more textures."
+                                       <<std::endl;
+                       break;
+               }
                
                // Tile it a few times in the X direction
                u16 xwise_tiling = 16;
@@ -517,7 +624,7 @@ void TextureSource::buildMainAtlas()
                Write image to file so that it can be inspected
        */
        /*driver->writeImageToFile(atlas_img, 
-                       porting::getDataPath("main_atlas.png").c_str());*/
+                       getTexturePath("main_atlas.png").c_str());*/
 }
 
 video::IImage* generate_image_from_scratch(std::string name,
@@ -596,7 +703,7 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
        if(part_of_name[0] != '[')
        {
                // A normal texture; load it from a file
-               std::string path = porting::getDataPath(part_of_name.c_str());
+               std::string path = getTexturePath(part_of_name.c_str());
                dstream<<"INFO: getTextureIdDirect(): Loading path \""<<path
                                <<"\""<<std::endl;
                
@@ -698,39 +805,83 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
                                                <<", cancelling."<<std::endl;
                                return false;
                        }
-
+                       
+                       // Crack image number
                        u16 progression = stoi(part_of_name.substr(6));
+
                        // Size of the base image
                        core::dimension2d<u32> dim_base = baseimg->getDimension();
-                       // Crack will be drawn at this size
-                       u32 cracksize = 16;
-                       // Size of the crack image
-                       core::dimension2d<u32> dim_crack(cracksize,cracksize);
-                       // Position to copy the crack from in the crack image
-                       core::position2d<s32> pos_other(0, 16 * progression);
-
-                       video::IImage *crackimage = driver->createImageFromFile(
-                                       porting::getDataPath("crack.png").c_str());
+                       
+                       /*
+                               Load crack image.
+
+                               It is an image with a number of cracking stages
+                               horizontally tiled.
+                       */
+                       video::IImage *img_crack = driver->createImageFromFile(
+                                       getTexturePath("crack.png").c_str());
                
-                       if(crackimage)
+                       if(img_crack)
                        {
-                               /*crackimage->copyToWithAlpha(baseimg, v2s32(0,0),
-                                               core::rect<s32>(pos_other, dim_base),
-                                               video::SColor(255,255,255,255),
-                                               NULL);*/
-
-                               for(u32 y0=0; y0<dim_base.Height/dim_crack.Height; y0++)
-                               for(u32 x0=0; x0<dim_base.Width/dim_crack.Width; x0++)
+                               // Dimension of original image
+                               core::dimension2d<u32> dim_crack
+                                               = img_crack->getDimension();
+                               // Count of crack stages
+                               u32 crack_count = dim_crack.Height / dim_crack.Width;
+                               // Limit progression
+                               if(progression > crack_count-1)
+                                       progression = crack_count-1;
+                               // Dimension of a single scaled crack stage
+                               core::dimension2d<u32> dim_crack_scaled_single(
+                                       dim_base.Width,
+                                       dim_base.Height
+                               );
+                               // Dimension of scaled size
+                               core::dimension2d<u32> dim_crack_scaled(
+                                       dim_crack_scaled_single.Width,
+                                       dim_crack_scaled_single.Height * crack_count
+                               );
+                               // Create scaled crack image
+                               video::IImage *img_crack_scaled = driver->createImage(
+                                               video::ECF_A8R8G8B8, dim_crack_scaled);
+                               if(img_crack_scaled)
                                {
-                                       // Position to copy the crack to in the base image
-                                       core::position2d<s32> pos_base(x0*cracksize, y0*cracksize);
-                                       crackimage->copyToWithAlpha(baseimg, pos_base,
-                                                       core::rect<s32>(pos_other, dim_crack),
-                                                       video::SColor(255,255,255,255),
-                                                       NULL);
+                                       // Scale crack image by copying
+                                       img_crack->copyToScaling(img_crack_scaled);
+                                       
+                                       // Position to copy the crack from
+                                       core::position2d<s32> pos_crack_scaled(
+                                               0,
+                                               dim_crack_scaled_single.Height * progression
+                                       );
+                                       
+                                       // This tiling does nothing currently but is useful
+                                       for(u32 y0=0; y0<dim_base.Height
+                                                       / dim_crack_scaled_single.Height; y0++)
+                                       for(u32 x0=0; x0<dim_base.Width
+                                                       / dim_crack_scaled_single.Width; x0++)
+                                       {
+                                               // Position to copy the crack to in the base image
+                                               core::position2d<s32> pos_base(
+                                                       x0*dim_crack_scaled_single.Width,
+                                                       y0*dim_crack_scaled_single.Height
+                                               );
+                                               // Rectangle to copy the crack from on the scaled image
+                                               core::rect<s32> rect_crack_scaled(
+                                                       pos_crack_scaled,
+                                                       dim_crack_scaled_single
+                                               );
+                                               // Copy it
+                                               img_crack_scaled->copyToWithAlpha(baseimg, pos_base,
+                                                               rect_crack_scaled,
+                                                               video::SColor(255,255,255,255),
+                                                               NULL);
+                                       }
+
+                                       img_crack_scaled->drop();
                                }
-
-                               crackimage->drop();
+                               
+                               img_crack->drop();
                        }
                }
                /*
@@ -755,7 +906,7 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
                                                <<"\" to combined ("<<x<<","<<y<<")"
                                                <<std::endl;
                                video::IImage *img = driver->createImageFromFile(
-                                               porting::getDataPath(filename.c_str()).c_str());
+                                               getTexturePath(filename.c_str()).c_str());
                                if(img)
                                {
                                        core::dimension2d<u32> dim = img->getDimension();
@@ -814,7 +965,7 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
 
                        std::string filename = part_of_name.substr(9);
 
-                       std::string path = porting::getDataPath(filename.c_str());
+                       std::string path = getTexturePath(filename.c_str());
 
                        dstream<<"INFO: getTextureIdDirect(): Loading path \""<<path
                                        <<"\""<<std::endl;
@@ -946,20 +1097,23 @@ bool generate_image(std::string part_of_name, video::IImage *& baseimg,
                        pm.buildProjectionMatrixOrthoLH(1.65, 1.65, 0, 100);
                        camera->setProjectionMatrix(pm, true);
 
-                       scene::ILightSceneNode *light = smgr->addLightSceneNode(0,
+                       /*scene::ILightSceneNode *light =*/ smgr->addLightSceneNode(0,
                                        v3f(-50, 100, 0), video::SColorf(0.5,0.5,0.5), 1000);
 
+                       smgr->setAmbientLight(video::SColorf(0.2,0.2,0.2));
+
                        // Render scene
                        driver->beginScene(true, true, video::SColor(0,0,0,0));
                        smgr->drawAll();
                        driver->endScene();
                        
-                       // Drop scene
-                       cube->drop();
+                       // NOTE: The scene nodes should not be dropped, otherwise
+                       //       smgr->drop() segfaults
+                       /*cube->drop();
                        camera->drop();
-                       light->drop();
-                       // Drop scene manager FIXME: Segfaults
-                       //smgr->drop();
+                       light->drop();*/
+                       // Drop scene manager
+                       smgr->drop();
                        
                        // Unset render target
                        driver->setRenderTarget(0, true, true, 0);
@@ -998,9 +1152,9 @@ void make_progressbar(float value, video::IImage *image)
        
        core::dimension2d<u32> size = image->getDimension();
 
-       u32 barheight = 1;
-       u32 barpad_x = 1;
-       u32 barpad_y = 1;
+       u32 barheight = size.Height/16;
+       u32 barpad_x = size.Width/16;
+       u32 barpad_y = size.Height/16;
        u32 barwidth = size.Width - barpad_x*2;
        v2u32 barpos(barpad_x, size.Height - barheight - barpad_y);