/*
Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
#define TILE_HEADER
#include "common_irrlicht.h"
+#include "threads.h"
#include "utility.h"
+#include <string>
-// TileID is supposed to be stored in a u16
+class IGameDef;
-enum TileID
+/*
+ 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
{
- TILE_NONE, // Nothing shown
- TILE_STONE,
- TILE_WATER,
- TILE_GRASS,
- TILE_TREE,
- TILE_LEAVES,
- TILE_GRASS_FOOTSTEPS,
- TILE_MESE,
- TILE_MUD,
- TILE_TREE_TOP,
- TILE_MUD_WITH_GRASS,
- TILE_CLOUD,
-
- // Count of tile ids
- TILES_COUNT
+ 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)
+ {
+ return (
+ id == other.id
+ );
+ /*return (
+ id == other.id &&
+ atlas == other.atlas &&
+ pos == other.pos &&
+ size == other.size &&
+ tiled == other.tiled
+ );*/
+ }
+
+ float x0(){ return pos.X; }
+ float x1(){ return pos.X + size.X; }
+ float y0(){ return pos.Y; }
+ float y1(){ return pos.Y + size.Y; }
};
-enum TileSpecialFeature
+/*
+ TextureSource creates and caches textures.
+*/
+
+class ITextureSource
{
- TILEFEAT_NONE,
- TILEFEAT_CRACK,
+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 void updateAP(AtlasPointer &ap){};
};
-struct TileCrackParam
+class IWritableTextureSource : public ITextureSource
{
- bool operator==(TileCrackParam &other)
- {
- return progression == other.progression;
- }
+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 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);
- u16 progression;
+enum MaterialType{
+ MATERIAL_ALPHA_NONE,
+ MATERIAL_ALPHA_VERTEX,
+ MATERIAL_ALPHA_SIMPLE, // >127 = opaque
+ MATERIAL_ALPHA_BLEND,
};
+// Material flags
+#define MATERIAL_FLAG_BACKFACE_CULLING 0x01
+
+/*
+ This fully defines the looks of a tile.
+ The SMaterial of a tile is constructed according to this.
+*/
struct TileSpec
{
- 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
+ )
{
- id = TILE_NONE;
- feature = TILEFEAT_NONE;
}
bool operator==(TileSpec &other)
{
- if(id != other.id)
- return false;
- if(feature != other.feature)
- return false;
- if(feature == TILEFEAT_NONE)
- return true;
- if(feature == TILEFEAT_CRACK)
- {
- return param.crack == other.param.crack;
- }
- // Invalid feature
- assert(0);
- return false;
+ return (
+ texture == other.texture &&
+ alpha == other.alpha &&
+ material_type == other.material_type &&
+ material_flags == other.material_flags
+ );
}
-
- u16 id; // Id in g_tile_materials, TILE_NONE=none
- enum TileSpecialFeature feature;
- union
+
+ // Sets everything else except the texture in the material
+ void applyMaterialOptions(video::SMaterial &material) const
{
- TileCrackParam crack;
- } param;
+ 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;
};
-/*extern const char * g_tile_texture_paths[TILES_COUNT];
-extern video::SMaterial g_tile_materials[TILES_COUNT];*/
-
-/*
- Functions
-*/
-
-// Initializes g_tile_materials
-void tile_materials_preload(IrrlichtWrapper *irrlicht);
-
-video::SMaterial & tile_material_get(u32 i);
-
#endif
projects / minetest.git / blobdiff