123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278 |
- /*
- 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
- 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 Lesser General Public License for more details.
- 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 "irrlichttypes.h"
- #include "irr_v2d.h"
- #include "irr_v3d.h"
- #include <ITexture.h>
- #include <IrrlichtDevice.h>
- #include "threads.h"
- #include <string>
- #include <map>
- 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);
- void clearTextureNameCache();
- /*
- ITextureSource::generateTextureFromMesh parameters
- */
- namespace irr {namespace scene {class IMesh;}}
- struct TextureFromMeshParams
- {
- 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 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)=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 video::ITexture* getNormalTexture(const std::string &name)=0;
- };
- class IWritableTextureSource : public ITextureSource
- {
- public:
- IWritableTextureSource(){}
- virtual ~IWritableTextureSource(){}
- virtual u32 getTextureId(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 video::ITexture* getNormalTexture(const std::string &name)=0;
- };
- IWritableTextureSource* createTextureSource(IrrlichtDevice *device);
- #ifdef __ANDROID__
- /**
- * @param size get next npot2 value
- * @return npot2 value
- */
- inline unsigned int npot2(unsigned int size)
- {
- if (size == 0) return 0;
- unsigned int npot = 1;
- while ((size >>= 1) > 0) {
- npot <<= 1;
- }
- return npot;
- }
- video::IImage * Align2Npot2(video::IImage * image, video::IVideoDriver* driver);
- #endif
- enum MaterialType{
- TILE_MATERIAL_BASIC,
- TILE_MATERIAL_ALPHA,
- TILE_MATERIAL_LIQUID_TRANSPARENT,
- TILE_MATERIAL_LIQUID_OPAQUE,
- TILE_MATERIAL_WAVING_LEAVES,
- TILE_MATERIAL_WAVING_PLANTS
- };
- // 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
- #define MATERIAL_FLAG_HIGHLIGHTED 0x10
- /*
- This fully defines the looks of a tile.
- The SMaterial of a tile is constructed according to this.
- */
- struct FrameSpec
- {
- FrameSpec():
- texture_id(0),
- texture(NULL),
- normal_texture(NULL)
- {
- }
- u32 texture_id;
- video::ITexture *texture;
- video::ITexture *normal_texture;
- };
- struct TileSpec
- {
- TileSpec():
- texture_id(0),
- texture(NULL),
- normal_texture(NULL),
- alpha(255),
- material_type(TILE_MATERIAL_BASIC),
- material_flags(
- //0 // <- DEBUG, Use the one below
- MATERIAL_FLAG_BACKFACE_CULLING
- ),
- shader_id(0),
- animation_frame_count(1),
- animation_frame_length_ms(0),
- rotation(0)
- {
- }
- bool operator==(const TileSpec &other) const
- {
- return (
- texture_id == other.texture_id &&
- /* texture == other.texture && */
- alpha == other.alpha &&
- material_type == other.material_type &&
- material_flags == other.material_flags &&
- rotation == other.rotation
- );
- }
- bool operator!=(const TileSpec &other) const
- {
- return !(*this == 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;
- case TILE_MATERIAL_WAVING_LEAVES:
- material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
- break;
- case TILE_MATERIAL_WAVING_PLANTS:
- material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
- break;
- }
- material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING) ? true : false;
- }
- void applyMaterialOptionsWithShaders(video::SMaterial &material) const
- {
- material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING) ? true : false;
- }
-
- u32 texture_id;
- video::ITexture *texture;
- video::ITexture *normal_texture;
-
- // Vertex alpha (when MATERIAL_ALPHA_VERTEX is used)
- u8 alpha;
- // Material parameters
- u8 material_type;
- u8 material_flags;
- u32 shader_id;
- // Animation parameters
- u8 animation_frame_count;
- u16 animation_frame_length_ms;
- std::map<u32, FrameSpec> frames;
- u8 rotation;
- };
- #endif
|