/*
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 "utility.h"
-#include "texture.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)
+ {
+ 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; }
+};
+
+/*
+ An internal variant of the former with more data.
+*/
+struct SourceAtlasPointer
+{
+ std::string name;
+ AtlasPointer a;
+ video::IImage *atlas_img; // The source image of the atlas
+ // Integer variants of position and size
+ v2s32 intpos;
+ v2u32 intsize;
+
+ SourceAtlasPointer(
+ const std::string &name_,
+ AtlasPointer a_=AtlasPointer(0, NULL),
+ video::IImage *atlas_img_=NULL,
+ v2s32 intpos_=v2s32(0,0),
+ v2u32 intsize_=v2u32(0,0)
+ ):
+ name(name_),
+ a(a_),
+ atlas_img(atlas_img_),
+ intpos(intpos_),
+ intsize(intsize_)
+ {
+ }
+};
+
+/*
+ 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 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 void updateAP(AtlasPointer &ap){};
+
+ virtual void buildMainAtlas(class IGameDef *gamedef)=0;
+ virtual void processQueue()=0;
+};
+
+IWritableTextureSource* createTextureSource(IrrlichtDevice *device);
+
enum MaterialType{
MATERIAL_ALPHA_NONE,
MATERIAL_ALPHA_VERTEX,
struct TileSpec
{
TileSpec():
+ texture(0),
alpha(255),
- material_type(MATERIAL_ALPHA_NONE),
+ //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==(TileSpec &other)
{
return (
- spec == other.spec &&
+ texture == other.texture &&
alpha == other.alpha &&
material_type == other.material_type &&
material_flags == other.material_flags
}
// Sets everything else except the texture in the material
- void applyMaterialOptions(video::SMaterial &material)
+ void applyMaterialOptions(video::SMaterial &material) const
{
if(alpha != 255 && material_type != MATERIAL_ALPHA_VERTEX)
dstream<<"WARNING: TileSpec: alpha != 255 "
material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING) ? true : false;
}
- // Specification of texture
- TextureSpec spec;
+ // 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
projects / oweals / minetest.git / blobdiff