]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/tile.h
Merge pull request #1825 from Zeno-/control_key_cache
[dragonfireclient.git] / src / tile.h
index b6dcb249acee73ff7f2254bbc9de996e86c7273c..f4dc572e7cbbe668ed2165a4df2a15c2d9c0549b 100644 (file)
@@ -1,18 +1,18 @@
 /*
-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.
 */
@@ -20,92 +20,261 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #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>
+#include <map>
 
-// TileID is supposed to be stored in a u16
+class IGameDef;
 
-enum TileID
+/*
+       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
 {
-       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,
-       TILE_COALSTONE,
-       TILE_WOOD,
-       
-       // Count of tile ids
-       TILES_COUNT
+       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;
 };
 
-enum TileSpecialFeature
+/*
+       TextureSource creates and caches textures.
+*/
+
+class ISimpleTextureSource
 {
-       TILEFEAT_NONE,
-       TILEFEAT_CRACK,
+public:
+       ISimpleTextureSource(){}
+       virtual ~ISimpleTextureSource(){}
+       virtual video::ITexture* getTexture(
+                       const std::string &name, u32 *id = NULL) = 0;
 };
 
-struct TileCrackParam
+class ITextureSource : public ISimpleTextureSource
 {
-       bool operator==(TileCrackParam &other)
-       {
-               return progression == other.progression;
-       }
+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 &params)=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 &params)=0;
 
-       u16 progression;
+       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;
 };
 
-struct TileSpec
+IWritableTextureSource* createTextureSource(IrrlichtDevice *device);
+
+#ifdef __ANDROID__
+/**
+ * @param size get next npot2 value
+ * @return npot2 value
+ */
+inline unsigned int npot2(unsigned int size)
 {
-       TileSpec()
-       {
-               id = TILE_NONE;
-               feature = TILEFEAT_NONE;
-       }
+       if (size == 0) return 0;
+       unsigned int npot = 1;
 
-       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;
+       while ((size >>= 1) > 0) {
+               npot <<= 1;
        }
+       return npot;
+}
 
-       u16 id; // Id in g_tile_materials, TILE_NONE=none
-       enum TileSpecialFeature feature;
-       union
-       {
-               TileCrackParam crack;
-       } param;
+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
+
 /*
-       Functions
+       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;
+};
 
-void init_tile_texture_paths();
+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)
+       {
+       }
 
-const char * tile_texture_path_get(u32 i);
+       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;
+       }
 
-// Initializes g_tile_materials
-void tile_materials_preload(IrrlichtWrapper *irrlicht);
+       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;
 
-video::SMaterial & tile_material_get(u32 i);
+       u8 rotation;
+};
 
 #endif