/*
-Minetest-c55
-Copyright (C) 2010 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 General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 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.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser 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 "utility.h"
+#include "irrlichttypes.h"
+#include "irr_v2d.h"
+#include "irr_v3d.h"
+#include <ITexture.h>
+#include <IrrlichtDevice.h>
+#include "threads.h"
#include <string>
+class IGameDef;
+
+/*
+ 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.
+
+ 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():
+ 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; }
+};
+
+/*
+ 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){};
+ virtual bool isKnownSourceImage(const std::string &name)=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 bool isKnownSourceImage(const std::string &name)=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,
+};
+
+// 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
+// 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.
+ The SMaterial of a tile is constructed according to this.
+*/
struct TileSpec
{
TileSpec():
- alpha(255)
+ texture(0),
+ alpha(255),
+ material_type(TILE_MATERIAL_BASIC),
+ material_flags(
+ //0 // <- DEBUG, Use the one below
+ MATERIAL_FLAG_BACKFACE_CULLING
+ ),
+ animation_frame_count(1),
+ animation_frame_length_ms(0)
{
}
- TileSpec(const std::string &a_name):
- name(a_name),
- alpha(255)
+ bool operator==(const TileSpec &other) const
{
+ return (
+ texture == other.texture &&
+ alpha == other.alpha &&
+ material_type == other.material_type &&
+ material_flags == other.material_flags &&
+ rotation == other.rotation
+ );
}
- TileSpec(const char *a_name):
- name(a_name),
- alpha(255)
+ bool operator!=(const TileSpec &other) const
{
+ return !(*this == other);
}
-
- bool operator==(TileSpec &other)
+
+ // Sets everything else except the texture in the material
+ void applyMaterialOptions(video::SMaterial &material) const
+ {
+ switch(material_type){
+ 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;
+ case TILE_MATERIAL_LIQUID_OPAQUE:
+ material.MaterialType = video::EMT_SOLID;
+ break;
+ }
+ material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING) ? true : false;
+ }
+ void applyMaterialOptionsWithShaders(video::SMaterial &material,
+ const video::E_MATERIAL_TYPE &basic,
+ 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;
+ case TILE_MATERIAL_LIQUID_OPAQUE:
+ 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_)
{
- return (name == other.name && alpha == other.alpha);
+ 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);
}
- // path + mods
- std::string name;
+ AtlasPointer texture;
+ // Vertex alpha (when MATERIAL_ALPHA_VERTEX is used)
u8 alpha;
+ // Material parameters
+ u8 material_type;
+ u8 material_flags;
+ // Animation parameters
+ u8 animation_frame_count;
+ u16 animation_frame_length_ms;
+ u8 rotation;
};
#endif
projects / dragonfireclient.git / blobdiff