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.
20 #ifndef MAPBLOCK_MESH_HEADER
21 #define MAPBLOCK_MESH_HEADER
23 #include "irrlichttypes_extrabloated.h"
24 #include "client/tile.h"
37 struct MinimapMapblock;
41 VoxelManipulator m_vmanip;
43 v3s16 m_crack_pos_relative;
44 bool m_smooth_lighting;
50 MeshMakeData(IGameDef *gamedef, bool use_shaders);
53 Copy central data directly from block, and other data from
56 void fill(MapBlock *block);
59 Set up with only a single node at (1,1,1)
61 void fillSingleNode(MapNode *node);
64 Set the (node) position of a crack
66 void setCrack(int crack_level, v3s16 crack_pos);
69 Enable or disable smooth lighting
71 void setSmoothLighting(bool smooth_lighting);
75 Holds a mesh for a mapblock.
77 Besides the SMesh*, this contains information used for animating
78 the vertex positions, colors and texture coordinates of the mesh.
80 - cracks [implemented]
81 - day/night transitions [implemented]
82 - animated flowing liquids [not implemented]
83 - animating vertex positions for e.g. axles [not implemented]
88 // Builds the mesh given
89 MapBlockMesh(MeshMakeData *data, v3s16 camera_offset);
92 // Main animation function, parameters:
93 // faraway: whether the block is far away from the camera (~50 nodes)
94 // time: the global animation time, 0 .. 60 (repeats every minute)
95 // daynight_ratio: 0 .. 1000
96 // crack: -1 .. CRACK_ANIMATION_LENGTH-1 (-1 for off)
97 // Returns true if anything has been changed.
98 bool animate(bool faraway, float time, int crack, u32 daynight_ratio);
100 scene::IMesh *getMesh()
105 MinimapMapblock *moveMinimapMapblock()
107 MinimapMapblock *p = m_minimap_mapblock;
108 m_minimap_mapblock = NULL;
112 bool isAnimationForced() const
114 return m_animation_force_timer == 0;
117 void decreaseAnimationForceTimer()
119 if(m_animation_force_timer > 0)
120 m_animation_force_timer--;
123 void updateCameraOffset(v3s16 camera_offset);
126 scene::IMesh *m_mesh;
127 MinimapMapblock *m_minimap_mapblock;
129 ITextureSource *m_tsrc;
130 IShaderSource *m_shdrsrc;
132 bool m_enable_shaders;
134 // Must animate() be called before rendering?
135 bool m_has_animation;
136 int m_animation_force_timer;
138 // Animation info: cracks
139 // Last crack value passed to animate()
141 // Maps mesh buffer (i.e. material) indices to base texture names
142 std::map<u32, std::string> m_crack_materials;
144 // Animation info: texture animationi
145 // Maps meshbuffers to TileSpecs
146 std::map<u32, TileSpec> m_animation_tiles;
147 std::map<u32, int> m_animation_frames; // last animation frame
148 std::map<u32, int> m_animation_frame_offsets;
150 // Animation info: day/night transitions
151 // Last daynight_ratio value passed to animate()
152 u32 m_last_daynight_ratio;
153 // For each meshbuffer, maps vertex indices to (day,night) pairs
154 std::map<u32, std::map<u32, std::pair<u8, u8> > > m_daynight_diffs;
156 // Camera offset info -> do we have to translate the mesh?
157 v3s16 m_camera_offset;
163 This is used because CMeshBuffer::append() is very slow
168 std::vector<u16> indices;
169 std::vector<video::S3DVertex> vertices;
174 std::vector<PreMeshBuffer> prebuffers;
175 void append(const TileSpec &material,
176 const video::S3DVertex *vertices, u32 numVertices,
177 const u16 *indices, u32 numIndices);
178 void append(const TileSpec &material,
179 const video::S3DVertex *vertices, u32 numVertices,
180 const u16 *indices, u32 numIndices,
181 v3f pos, video::SColor c);
185 // alpha in the A channel of the returned SColor
186 // day light (0-255) in the R channel of the returned SColor
187 // night light (0-255) in the G channel of the returned SColor
188 // light source (0-255) in the B channel of the returned SColor
189 inline video::SColor MapBlock_LightColor(u8 alpha, u16 light, u8 light_source=0)
191 return video::SColor(alpha, (light & 0xff), (light >> 8), light_source);
194 // Compute light at node
195 u16 getInteriorLight(MapNode n, s32 increment, INodeDefManager *ndef);
196 u16 getFaceLight(MapNode n, MapNode n2, v3s16 face_dir, INodeDefManager *ndef);
197 u16 getSmoothLight(v3s16 p, v3s16 corner, MeshMakeData *data);
199 // Converts from day + night color values (0..255)
200 // and a given daynight_ratio to the final SColor shown on screen.
201 void finalColorBlend(video::SColor& result,
202 u8 day, u8 night, u32 daynight_ratio);
204 // Retrieves the TileSpec of a face of a node
205 // Adds MATERIAL_FLAG_CRACK if the node is cracked
206 TileSpec getNodeTileN(MapNode mn, v3s16 p, u8 tileindex, MeshMakeData *data);
207 TileSpec getNodeTile(MapNode mn, v3s16 p, v3s16 dir, MeshMakeData *data);