advtrains.git - Advtrains mod for minetest.

	Commit message (Collapse)	Author	Age
*	Signs (static signals)	orwell96	2018-12-08

/* Minetest-c55 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef TILE_HEADER #define TILE_HEADER #include "common_irrlicht.h" #include "threads.h" #include "utility.h" #include <string> class IGameDef; /* tile.{h,cpp}: Texture handling stuff. */ /* Gets the path to a texture by first checking if the texture exists in texture_path and if not, using the data path. Checks all supported extensions by replacing the original extension. If not found, returns "". Utilizes a thread-safe cache. */ std::string getTexturePath(const std::string &filename); /* Specifies a texture in an atlas. This is used to specify single textures also. This has been designed to be small enough to be thrown around a lot. */ struct AtlasPointer { u32 id; // Texture id video::ITexture *atlas; // Atlas in where the texture is v2f pos; // Position in atlas v2f size; // Size in atlas u16 tiled; // X-wise tiling count. If 0, width of atlas is width of image. AtlasPointer( u16 id_, video::ITexture *atlas_=NULL, v2f pos_=v2f(0,0), v2f size_=v2f(1,1), u16 tiled_=1 ): id(id_), atlas(atlas_), pos(pos_), size(size_), tiled(tiled_) { } bool operator==(const AtlasPointer &other) const { return ( id == other.id ); /*return ( id == other.id && atlas == other.atlas && pos == other.pos && size == other.size && tiled == other.tiled );*/ } bool operator!=(const AtlasPointer &other) const { return !(*this == other); } float x0(){ return pos.X; } float x1(){ return pos.X + size.X; } float y0(){ return pos.Y; } float y1(){ return pos.Y + size.Y; } }; /* TextureSource creates and caches textures. */ class ITextureSource { public: ITextureSource(){} virtual ~ITextureSource(){} virtual u32 getTextureId(const std::string &name){return 0;} virtual u32 getTextureIdDirect(const std::string &name){return 0;} virtual std::string getTextureName(u32 id){return "";} virtual AtlasPointer getTexture(u32 id){return AtlasPointer(0);} virtual AtlasPointer getTexture(const std::string &name) {return AtlasPointer(0);} virtual video::ITexture* getTextureRaw(const std::string &name) {return NULL;} virtual AtlasPointer getTextureRawAP(const AtlasPointer &ap) {return AtlasPointer(0);} virtual IrrlichtDevice* getDevice() {return NULL;} virtual void updateAP(AtlasPointer &ap){}; }; class IWritableTextureSource : public ITextureSource { public: IWritableTextureSource(){} virtual ~IWritableTextureSource(){} virtual u32 getTextureId(const std::string &name){return 0;} virtual u32 getTextureIdDirect(const std::string &name){return 0;} virtual std::string getTextureName(u32 id){return "";} virtual AtlasPointer getTexture(u32 id){return AtlasPointer(0);} virtual AtlasPointer getTexture(const std::string &name) {return AtlasPointer(0);} virtual video::ITexture* getTextureRaw(const std::string &name) {return NULL;} virtual IrrlichtDevice* getDevice() {return NULL;} virtual void updateAP(AtlasPointer &ap){}; virtual void processQueue()=0; virtual void insertSourceImage(const std::string &name, video::IImage *img)=0; virtual void rebuildImagesAndTextures()=0; virtual void buildMainAtlas(class IGameDef *gamedef)=0; }; IWritableTextureSource* createTextureSource(IrrlichtDevice *device); enum MaterialType{ MATERIAL_ALPHA_NONE, MATERIAL_ALPHA_VERTEX, MATERIAL_ALPHA_SIMPLE, // >127 = opaque MATERIAL_ALPHA_BLEND, }; // Material flags // Should backface culling be enabled? #define MATERIAL_FLAG_BACKFACE_CULLING 0x01 // Should a crack be drawn? #define MATERIAL_FLAG_CRACK 0x02 // Should the crack be drawn on transparent pixels (unset) or not (set)? // Ignored if MATERIAL_FLAG_CRACK is not set. #define MATERIAL_FLAG_CRACK_OVERLAY 0x04 /* This fully defines the looks of a tile. The SMaterial of a tile is constructed according to this. */ struct TileSpec { TileSpec(): texture(0), alpha(255), //material_type(MATERIAL_ALPHA_NONE), // Use this so that leaves don't need a separate material material_type(MATERIAL_ALPHA_SIMPLE), material_flags( //0 // <- DEBUG, Use the one below MATERIAL_FLAG_BACKFACE_CULLING ) { } bool operator==(const TileSpec &other) const { return ( texture == other.texture && alpha == other.alpha && material_type == other.material_type && material_flags == other.material_flags ); } bool operator!=(const TileSpec &other) const { return !(*this == other); } // Sets everything else except the texture in the material void applyMaterialOptions(video::SMaterial &material) const { if(alpha != 255 && material_type != MATERIAL_ALPHA_VERTEX) dstream<<"WARNING: TileSpec: alpha != 255 " "but not MATERIAL_ALPHA_VERTEX" <<std::endl; if(material_type == MATERIAL_ALPHA_NONE) material.MaterialType = video::EMT_SOLID; else if(material_type == MATERIAL_ALPHA_VERTEX) material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA; else if(material_type == MATERIAL_ALPHA_SIMPLE) material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF; else if(material_type == MATERIAL_ALPHA_BLEND) material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL; material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING) ? true : false; } // NOTE: Deprecated, i guess? void setTexturePos(u8 tx_, u8 ty_, u8 tw_, u8 th_) { texture.pos = v2f((float)tx_/256.0, (float)ty_/256.0); texture.size = v2f(((float)tw_ + 1.0)/256.0, ((float)th_ + 1.0)/256.0); } AtlasPointer texture; // Vertex alpha u8 alpha; // Material type u8 material_type; // Material flags u8 material_flags; }; #endif