/*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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 Lesser General Public License as published by
tile.{h,cpp}: Texture handling stuff.
*/
+/*
+ Find out the full path of an image by trying different filename
+ extensions.
+
+ If failed, return "".
+
+ TODO: Should probably be moved out from here, because things needing
+ this function do not need anything else from this header
+*/
+std::string getImagePath(std::string path);
+
/*
Gets the path to a texture by first checking if the texture exists
in texture_path and if not, using the data path.
*/
std::string getTexturePath(const std::string &filename);
-/*
- Specifies a texture in an atlas.
-
- This is used to specify single textures also.
+void clearTextureNameCache();
- This has been designed to be small enough to be thrown around a lot.
+/*
+ ITextureSource::generateTextureFromMesh parameters
*/
-struct AtlasPointer
+namespace irr {namespace scene {class IMesh;}}
+struct TextureFromMeshParams
{
- 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():
- id(0),
- atlas(NULL),
- pos(0,0),
- size(1,1),
- tiled(1)
- {}
-
- 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; }
+ scene::IMesh *mesh;
+ core::dimension2d<u32> dim;
+ std::string rtt_texture_name;
+ bool delete_texture_on_shutdown;
+ v3f camera_position;
+ v3f camera_lookat;
+ core::CMatrix4<f32> camera_projection_matrix;
+ video::SColorf ambient_light;
+ v3f light_position;
+ video::SColorf light_color;
+ f32 light_radius;
};
/*
TextureSource creates and caches textures.
*/
-class ITextureSource
+class ISimpleTextureSource
+{
+public:
+ ISimpleTextureSource(){}
+ virtual ~ISimpleTextureSource(){}
+ virtual video::ITexture* getTexture(
+ const std::string &name, u32 *id = NULL) = 0;
+};
+
+class ITextureSource : public ISimpleTextureSource
{
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){};
+ virtual u32 getTextureId(const std::string &name)=0;
+ virtual u32 getTextureIdDirect(const std::string &name)=0;
+ virtual std::string getTextureName(u32 id)=0;
+ virtual video::ITexture* getTexture(u32 id)=0;
+ virtual video::ITexture* getTexture(
+ const std::string &name, u32 *id = NULL)=0;
+ virtual IrrlichtDevice* getDevice()=0;
virtual bool isKnownSourceImage(const std::string &name)=0;
+ virtual video::ITexture* generateTextureFromMesh(
+ const TextureFromMeshParams ¶ms)=0;
};
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 u32 getTextureId(const std::string &name)=0;
+ virtual u32 getTextureIdDirect(const std::string &name)=0;
+ virtual std::string getTextureName(u32 id)=0;
+ virtual video::ITexture* getTexture(u32 id)=0;
+ virtual video::ITexture* getTexture(
+ const std::string &name, u32 *id = NULL)=0;
+ virtual IrrlichtDevice* getDevice()=0;
virtual bool isKnownSourceImage(const std::string &name)=0;
+ virtual video::ITexture* generateTextureFromMesh(
+ const TextureFromMeshParams ¶ms)=0;
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{
TILE_MATERIAL_BASIC,
+ TILE_MATERIAL_ALPHA,
TILE_MATERIAL_LIQUID_TRANSPARENT,
TILE_MATERIAL_LIQUID_OPAQUE,
};
// Animation made up by splitting the texture to vertical frames, as
// defined by extra parameters
#define MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES 0x08
-// Whether liquid shader should be used
-#define MATERIAL_FLAG_
/*
This fully defines the looks of a tile.
struct TileSpec
{
TileSpec():
- texture(0),
+ texture_id(0),
+ texture(NULL),
alpha(255),
material_type(TILE_MATERIAL_BASIC),
material_flags(
MATERIAL_FLAG_BACKFACE_CULLING
),
animation_frame_count(1),
- animation_frame_length_ms(0)
+ animation_frame_length_ms(0),
+ rotation(0)
{
}
bool operator==(const TileSpec &other) const
{
return (
- texture == other.texture &&
+ texture_id == other.texture_id &&
+ /* texture == other.texture && */
alpha == other.alpha &&
material_type == other.material_type &&
- material_flags == other.material_flags
+ material_flags == other.material_flags &&
+ rotation == other.rotation
);
}
case TILE_MATERIAL_BASIC:
material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
break;
+ case TILE_MATERIAL_ALPHA:
+ material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
+ break;
case TILE_MATERIAL_LIQUID_TRANSPARENT:
material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
break;
}
void applyMaterialOptionsWithShaders(video::SMaterial &material,
const video::E_MATERIAL_TYPE &basic,
- const video::E_MATERIAL_TYPE &liquid) const
+ const video::E_MATERIAL_TYPE &liquid,
+ const video::E_MATERIAL_TYPE &alpha) const
{
switch(material_type){
case TILE_MATERIAL_BASIC:
material.MaterialType = basic;
break;
+ case TILE_MATERIAL_ALPHA:
+ material.MaterialType = alpha;
+ break;
case TILE_MATERIAL_LIQUID_TRANSPARENT:
material.MaterialType = liquid;
break;
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;
+ u32 texture_id;
+ video::ITexture *texture;
// Vertex alpha (when MATERIAL_ALPHA_VERTEX is used)
u8 alpha;
// Material parameters
// Animation parameters
u8 animation_frame_count;
u16 animation_frame_length_ms;
+ u8 rotation;
};
#endif