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.
23 #include "irrlichttypes.h"
28 #include <SMaterial.h>
30 #include "util/numeric.h"
36 typedef std::vector<video::SColor> Palette;
39 tile.{h,cpp}: Texture handling stuff.
43 Find out the full path of an image by trying different filename
48 TODO: Should probably be moved out from here, because things needing
49 this function do not need anything else from this header
51 std::string getImagePath(std::string path);
54 Gets the path to a texture by first checking if the texture exists
55 in texture_path and if not, using the data path.
57 Checks all supported extensions by replacing the original extension.
59 If not found, returns "".
61 Utilizes a thread-safe cache.
63 std::string getTexturePath(const std::string &filename);
65 void clearTextureNameCache();
68 ITextureSource::generateTextureFromMesh parameters
70 namespace irr {namespace scene {class IMesh;}}
71 struct TextureFromMeshParams
73 scene::IMesh *mesh = nullptr;
74 core::dimension2d<u32> dim;
75 std::string rtt_texture_name;
76 bool delete_texture_on_shutdown;
79 core::CMatrix4<f32> camera_projection_matrix;
80 video::SColorf ambient_light;
82 video::SColorf light_color;
87 TextureSource creates and caches textures.
90 class ISimpleTextureSource
93 ISimpleTextureSource(){}
94 virtual ~ISimpleTextureSource(){}
95 virtual video::ITexture* getTexture(
96 const std::string &name, u32 *id = nullptr) = 0;
99 class ITextureSource : public ISimpleTextureSource
103 virtual ~ITextureSource(){}
104 virtual u32 getTextureId(const std::string &name)=0;
105 virtual std::string getTextureName(u32 id)=0;
106 virtual video::ITexture* getTexture(u32 id)=0;
107 virtual video::ITexture* getTexture(
108 const std::string &name, u32 *id = nullptr)=0;
109 virtual video::ITexture* getTextureForMesh(
110 const std::string &name, u32 *id = nullptr) = 0;
112 * Returns a palette from the given texture name.
113 * The pointer is valid until the texture source is
115 * Should be called from the main thread.
117 virtual Palette* getPalette(const std::string &name) = 0;
118 virtual bool isKnownSourceImage(const std::string &name)=0;
119 virtual video::ITexture* generateTextureFromMesh(
120 const TextureFromMeshParams ¶ms)=0;
121 virtual video::ITexture* getNormalTexture(const std::string &name)=0;
122 virtual video::SColor getTextureAverageColor(const std::string &name)=0;
123 virtual video::ITexture *getShaderFlagsTexture(bool normalmap_present)=0;
126 class IWritableTextureSource : public ITextureSource
129 IWritableTextureSource(){}
130 virtual ~IWritableTextureSource(){}
131 virtual u32 getTextureId(const std::string &name)=0;
132 virtual std::string getTextureName(u32 id)=0;
133 virtual video::ITexture* getTexture(u32 id)=0;
134 virtual video::ITexture* getTexture(
135 const std::string &name, u32 *id = nullptr)=0;
136 virtual bool isKnownSourceImage(const std::string &name)=0;
137 virtual video::ITexture* generateTextureFromMesh(
138 const TextureFromMeshParams ¶ms)=0;
140 virtual void processQueue()=0;
141 virtual void insertSourceImage(const std::string &name, video::IImage *img)=0;
142 virtual void rebuildImagesAndTextures()=0;
143 virtual video::ITexture* getNormalTexture(const std::string &name)=0;
144 virtual video::SColor getTextureAverageColor(const std::string &name)=0;
145 virtual video::ITexture *getShaderFlagsTexture(bool normalmap_present)=0;
148 IWritableTextureSource *createTextureSource();
151 video::IImage * Align2Npot2(video::IImage * image, video::IVideoDriver* driver);
157 TILE_MATERIAL_LIQUID_TRANSPARENT,
158 TILE_MATERIAL_LIQUID_OPAQUE,
159 TILE_MATERIAL_WAVING_LEAVES,
160 TILE_MATERIAL_WAVING_PLANTS,
165 // Should backface culling be enabled?
166 #define MATERIAL_FLAG_BACKFACE_CULLING 0x01
167 // Should a crack be drawn?
168 #define MATERIAL_FLAG_CRACK 0x02
169 // Should the crack be drawn on transparent pixels (unset) or not (set)?
170 // Ignored if MATERIAL_FLAG_CRACK is not set.
171 #define MATERIAL_FLAG_CRACK_OVERLAY 0x04
172 #define MATERIAL_FLAG_ANIMATION 0x08
173 #define MATERIAL_FLAG_HIGHLIGHTED 0x10
174 #define MATERIAL_FLAG_TILEABLE_HORIZONTAL 0x20
175 #define MATERIAL_FLAG_TILEABLE_VERTICAL 0x40
178 This fully defines the looks of a tile.
179 The SMaterial of a tile is constructed according to this.
185 video::ITexture *texture = nullptr;
186 video::ITexture *normal_texture = nullptr;
187 video::ITexture *flags_texture = nullptr;
190 #define MAX_TILE_LAYERS 2
192 //! Defines a layer of a tile.
198 * Two layers are equal if they can be merged.
200 bool operator==(const TileLayer &other) const
203 texture_id == other.texture_id &&
204 material_type == other.material_type &&
205 material_flags == other.material_flags &&
206 color == other.color;
210 * Two tiles are not equal if they must have different vertices.
212 bool operator!=(const TileLayer &other) const
214 return !(*this == other);
217 // Sets everything else except the texture in the material
218 void applyMaterialOptions(video::SMaterial &material) const
220 switch (material_type) {
221 case TILE_MATERIAL_OPAQUE:
222 case TILE_MATERIAL_LIQUID_OPAQUE:
223 material.MaterialType = video::EMT_SOLID;
225 case TILE_MATERIAL_BASIC:
226 case TILE_MATERIAL_WAVING_LEAVES:
227 case TILE_MATERIAL_WAVING_PLANTS:
228 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
230 case TILE_MATERIAL_ALPHA:
231 case TILE_MATERIAL_LIQUID_TRANSPARENT:
232 material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
235 material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING)
237 if (!(material_flags & MATERIAL_FLAG_TILEABLE_HORIZONTAL)) {
238 material.TextureLayer[0].TextureWrapU = video::ETC_CLAMP_TO_EDGE;
240 if (!(material_flags & MATERIAL_FLAG_TILEABLE_VERTICAL)) {
241 material.TextureLayer[0].TextureWrapV = video::ETC_CLAMP_TO_EDGE;
245 void applyMaterialOptionsWithShaders(video::SMaterial &material) const
247 material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING)
249 if (!(material_flags & MATERIAL_FLAG_TILEABLE_HORIZONTAL)) {
250 material.TextureLayer[0].TextureWrapU = video::ETC_CLAMP_TO_EDGE;
251 material.TextureLayer[1].TextureWrapU = video::ETC_CLAMP_TO_EDGE;
253 if (!(material_flags & MATERIAL_FLAG_TILEABLE_VERTICAL)) {
254 material.TextureLayer[0].TextureWrapV = video::ETC_CLAMP_TO_EDGE;
255 material.TextureLayer[1].TextureWrapV = video::ETC_CLAMP_TO_EDGE;
259 bool isTileable() const
261 return (material_flags & MATERIAL_FLAG_TILEABLE_HORIZONTAL)
262 && (material_flags & MATERIAL_FLAG_TILEABLE_VERTICAL);
265 // Ordered for size, please do not reorder
267 video::ITexture *texture = nullptr;
268 video::ITexture *normal_texture = nullptr;
269 video::ITexture *flags_texture = nullptr;
275 u16 animation_frame_length_ms = 0;
276 u8 animation_frame_count = 1;
278 u8 material_type = TILE_MATERIAL_BASIC;
280 //0 // <- DEBUG, Use the one below
281 MATERIAL_FLAG_BACKFACE_CULLING |
282 MATERIAL_FLAG_TILEABLE_HORIZONTAL|
283 MATERIAL_FLAG_TILEABLE_VERTICAL;
285 //! If true, the tile has its own color.
286 bool has_color = false;
288 std::shared_ptr<std::vector<FrameSpec>> frames = nullptr;
291 * The color of the tile, or if the tile does not own
292 * a color then the color of the node owning this tile.
298 * Defines a face of a node. May have up to two layers.
303 for (int layer = 0; layer < MAX_TILE_LAYERS; layer++)
304 layers[layer] = TileLayer();
308 * Returns true if this tile can be merged with the other tile.
310 bool isTileable(const TileSpec &other) const {
311 for (int layer = 0; layer < MAX_TILE_LAYERS; layer++) {
312 if (layers[layer] != other.layers[layer])
314 if (!layers[layer].isTileable())
318 && rotation == other.rotation
319 && emissive_light == other.emissive_light;
323 //! This much light does the tile emit.
324 u8 emissive_light = 0;
325 //! The first is base texture, the second is overlay.
326 TileLayer layers[MAX_TILE_LAYERS];