3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "irrlichttypes.h"
27 #include <SMaterial.h>
28 #include "util/numeric.h"
32 #include <IVideoDriver.h>
39 typedef std::vector<video::SColor> Palette;
42 tile.{h,cpp}: Texture handling stuff.
46 Find out the full path of an image by trying different filename
51 TODO: Should probably be moved out from here, because things needing
52 this function do not need anything else from this header
54 std::string getImagePath(std::string path);
57 Gets the path to a texture by first checking if the texture exists
58 in texture_path and if not, using the data path.
60 Checks all supported extensions by replacing the original extension.
62 If not found, returns "".
64 Utilizes a thread-safe cache.
66 std::string getTexturePath(const std::string &filename, bool *is_base_pack = nullptr);
68 void clearTextureNameCache();
71 TextureSource creates and caches textures.
74 class ISimpleTextureSource
77 ISimpleTextureSource() = default;
79 virtual ~ISimpleTextureSource() = default;
81 virtual video::ITexture *getTexture(
82 const std::string &name, u32 *id = nullptr) = 0;
85 class ITextureSource : public ISimpleTextureSource
88 ITextureSource() = default;
90 virtual ~ITextureSource() = default;
92 virtual u32 getTextureId(const std::string &name) = 0;
93 virtual std::string getTextureName(u32 id) = 0;
94 virtual video::ITexture *getTexture(u32 id) = 0;
95 virtual video::ITexture *getTexture(
96 const std::string &name, u32 *id = nullptr) = 0;
97 virtual video::ITexture *getTextureForMesh(
98 const std::string &name, u32 *id = nullptr) = 0;
100 * Returns a palette from the given texture name.
101 * The pointer is valid until the texture source is
103 * Should be called from the main thread.
105 virtual Palette *getPalette(const std::string &name) = 0;
106 virtual bool isKnownSourceImage(const std::string &name) = 0;
107 virtual video::ITexture *getNormalTexture(const std::string &name) = 0;
108 virtual video::SColor getTextureAverageColor(const std::string &name) = 0;
109 virtual video::ITexture *getShaderFlagsTexture(bool normalmap_present) = 0;
112 class IWritableTextureSource : public ITextureSource
115 IWritableTextureSource() = default;
117 virtual ~IWritableTextureSource() = default;
119 virtual u32 getTextureId(const std::string &name) = 0;
120 virtual std::string getTextureName(u32 id) = 0;
121 virtual video::ITexture *getTexture(u32 id) = 0;
122 virtual video::ITexture *getTexture(
123 const std::string &name, u32 *id = nullptr) = 0;
124 virtual bool isKnownSourceImage(const std::string &name) = 0;
126 virtual void processQueue() = 0;
127 virtual void insertSourceImage(const std::string &name, video::IImage *img) = 0;
128 virtual void rebuildImagesAndTextures() = 0;
129 virtual video::ITexture *getNormalTexture(const std::string &name) = 0;
130 virtual video::SColor getTextureAverageColor(const std::string &name) = 0;
131 virtual video::ITexture *getShaderFlagsTexture(bool normalmap_present) = 0;
134 IWritableTextureSource *createTextureSource();
137 bool hasNPotSupport();
138 video::IImage *Align2Npot2(video::IImage *image, irr::video::IVideoDriver *driver);
145 TILE_MATERIAL_LIQUID_TRANSPARENT,
146 TILE_MATERIAL_LIQUID_OPAQUE,
147 TILE_MATERIAL_WAVING_LEAVES,
148 TILE_MATERIAL_WAVING_PLANTS,
149 TILE_MATERIAL_OPAQUE,
150 TILE_MATERIAL_WAVING_LIQUID_BASIC,
151 TILE_MATERIAL_WAVING_LIQUID_TRANSPARENT,
152 TILE_MATERIAL_WAVING_LIQUID_OPAQUE,
154 TILE_MATERIAL_PLAIN_ALPHA
158 // Should backface culling be enabled?
159 #define MATERIAL_FLAG_BACKFACE_CULLING 0x01
160 // Should a crack be drawn?
161 #define MATERIAL_FLAG_CRACK 0x02
162 // Should the crack be drawn on transparent pixels (unset) or not (set)?
163 // Ignored if MATERIAL_FLAG_CRACK is not set.
164 #define MATERIAL_FLAG_CRACK_OVERLAY 0x04
165 #define MATERIAL_FLAG_ANIMATION 0x08
166 //#define MATERIAL_FLAG_HIGHLIGHTED 0x10
167 #define MATERIAL_FLAG_TILEABLE_HORIZONTAL 0x20
168 #define MATERIAL_FLAG_TILEABLE_VERTICAL 0x40
171 This fully defines the looks of a tile.
172 The SMaterial of a tile is constructed according to this.
176 FrameSpec() = default;
179 video::ITexture *texture = nullptr;
180 video::ITexture *normal_texture = nullptr;
181 video::ITexture *flags_texture = nullptr;
184 #define MAX_TILE_LAYERS 2
186 //! Defines a layer of a tile.
189 TileLayer() = default;
192 * Two layers are equal if they can be merged.
194 bool operator==(const TileLayer &other) const
196 return texture_id == other.texture_id &&
197 material_type == other.material_type &&
198 material_flags == other.material_flags && color == other.color &&
199 scale == other.scale;
203 * Two tiles are not equal if they must have different vertices.
205 bool operator!=(const TileLayer &other) const { return !(*this == other); }
207 // Sets everything else except the texture in the material
208 void applyMaterialOptions(video::SMaterial &material) const
210 switch (material_type) {
211 case TILE_MATERIAL_OPAQUE:
212 case TILE_MATERIAL_LIQUID_OPAQUE:
213 case TILE_MATERIAL_WAVING_LIQUID_OPAQUE:
214 material.MaterialType = video::EMT_SOLID;
216 case TILE_MATERIAL_BASIC:
217 case TILE_MATERIAL_WAVING_LEAVES:
218 case TILE_MATERIAL_WAVING_PLANTS:
219 case TILE_MATERIAL_WAVING_LIQUID_BASIC:
220 material.MaterialTypeParam = 0.5;
221 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
223 case TILE_MATERIAL_ALPHA:
224 case TILE_MATERIAL_LIQUID_TRANSPARENT:
225 case TILE_MATERIAL_WAVING_LIQUID_TRANSPARENT:
226 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
231 material.BackfaceCulling =
232 (material_flags & MATERIAL_FLAG_BACKFACE_CULLING) != 0;
233 if (!(material_flags & MATERIAL_FLAG_TILEABLE_HORIZONTAL)) {
234 material.TextureLayer[0].TextureWrapU = video::ETC_CLAMP_TO_EDGE;
236 if (!(material_flags & MATERIAL_FLAG_TILEABLE_VERTICAL)) {
237 material.TextureLayer[0].TextureWrapV = video::ETC_CLAMP_TO_EDGE;
241 void applyMaterialOptionsWithShaders(video::SMaterial &material) const
243 material.BackfaceCulling =
244 (material_flags & MATERIAL_FLAG_BACKFACE_CULLING) != 0;
245 if (!(material_flags & MATERIAL_FLAG_TILEABLE_HORIZONTAL)) {
246 material.TextureLayer[0].TextureWrapU = video::ETC_CLAMP_TO_EDGE;
247 material.TextureLayer[1].TextureWrapU = video::ETC_CLAMP_TO_EDGE;
249 if (!(material_flags & MATERIAL_FLAG_TILEABLE_VERTICAL)) {
250 material.TextureLayer[0].TextureWrapV = video::ETC_CLAMP_TO_EDGE;
251 material.TextureLayer[1].TextureWrapV = video::ETC_CLAMP_TO_EDGE;
255 bool isTileable() const
257 return (material_flags & MATERIAL_FLAG_TILEABLE_HORIZONTAL) &&
258 (material_flags & MATERIAL_FLAG_TILEABLE_VERTICAL);
261 // Ordered for size, please do not reorder
263 video::ITexture *texture = nullptr;
264 video::ITexture *normal_texture = nullptr;
265 video::ITexture *flags_texture = nullptr;
271 u16 animation_frame_length_ms = 0;
272 u16 animation_frame_count = 1;
274 u8 material_type = TILE_MATERIAL_BASIC;
276 // 0 // <- DEBUG, Use the one below
277 MATERIAL_FLAG_BACKFACE_CULLING |
278 MATERIAL_FLAG_TILEABLE_HORIZONTAL |
279 MATERIAL_FLAG_TILEABLE_VERTICAL;
281 //! If true, the tile has its own color.
282 bool has_color = false;
284 std::vector<FrameSpec> *frames = nullptr;
287 * The color of the tile, or if the tile does not own
288 * a color then the color of the node owning this tile.
296 * Defines a face of a node. May have up to two layers.
300 TileSpec() = default;
303 * Returns true if this tile can be merged with the other tile.
305 bool isTileable(const TileSpec &other) const
307 for (int layer = 0; layer < MAX_TILE_LAYERS; layer++) {
308 if (layers[layer] != other.layers[layer])
310 if (!layers[layer].isTileable())
313 return rotation == 0 && rotation == other.rotation &&
314 emissive_light == other.emissive_light;
317 //! If true, the tile rotation is ignored.
318 bool world_aligned = false;
321 //! This much light does the tile emit.
322 u8 emissive_light = 0;
323 //! The first is base texture, the second is overlay.
324 TileLayer layers[MAX_TILE_LAYERS];
327 std::vector<std::string> getTextureDirs();