1 /* Copyright (C) 2012 Wildfire Games. 2 * This file is part of 0 A.D. 3 * 4 * 0 A.D. is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * 0 A.D. is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with 0 A.D. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef INCLUDED_TERRAINTEXTUREENTRY 19 #define INCLUDED_TERRAINTEXTUREENTRY 20 21 #include <map> 22 23 #include "TerrainTextureManager.h" 24 #include "TextureManager.h" 25 #include "Material.h" 26 27 #include "lib/res/handle.h" 28 #include "lib/file/vfs/vfs_path.h" 29 #include "maths/Matrix3D.h" 30 #include "ps/CStr.h" 31 32 class XMBElement; 33 class CXeromyces; 34 35 ////////////////////////////////////////////////////////////////////////////////////////////////////////// 36 // CTerrainTextureEntry: class wrapping a terrain texture object; contains various other required 37 // elements - color of minimap, terrain "group" it belongs to, etc 38 class CTerrainTextureEntry 39 { 40 public: 41 typedef std::vector<CTerrainGroup *> GroupVector; 42 43 private: 44 // Tag = file name stripped of path and extension (grass_dark_1) 45 CStr m_Tag; 46 47 // The property sheet used by this texture 48 CTerrainPropertiesPtr m_pProperties; 49 50 CMaterial m_Material; 51 52 CMatrix3D m_TextureMatrix; 53 54 // BGRA color of topmost mipmap level, for coloring minimap, or a color 55 // specified by the terrain properties 56 u32 m_BaseColor; 57 // ..Valid is true if the base color has been cached 58 bool m_BaseColorValid; 59 60 // All terrain type groups we're a member of 61 GroupVector m_Groups; 62 63 // calculate the root color of the texture, used for coloring minimap 64 void BuildBaseColor(); 65 66 void LoadAlphaMaps(VfsPath &amtype); 67 68 public: 69 // Most of the texture's data is delay-loaded, so after the constructor has 70 // been called, the texture entry is ready to be used. 71 CTerrainTextureEntry(CTerrainPropertiesPtr props, const VfsPath& path); 72 ~CTerrainTextureEntry(); 73 GetTag()74 CStr GetTag() const 75 { return m_Tag; } 76 GetProperties()77 const CTerrainProperties& GetProperties() const 78 { return *m_pProperties; } 79 80 // Get texture handle, load texture if not loaded. GetTexture()81 const CTexturePtr& GetTexture() { 82 return m_Material.GetDiffuseTexture(); 83 } 84 GetMaterial()85 const CMaterial& GetMaterial() { 86 return m_Material; 87 } 88 89 // Returns a matrix of the form [c 0 -s 0; -s 0 -c 0; 0 0 0 0; 0 0 0 1] 90 // mapping world-space (x,y,z,1) coordinates onto (u,v,0,1) texcoords 91 const float* GetTextureMatrix(); 92 93 // Get mipmap color in BGRA format GetBaseColor()94 u32 GetBaseColor() { 95 if (!m_BaseColorValid) BuildBaseColor(); 96 return m_BaseColor; 97 } 98 99 //TerrainAlpha *m_TerrainAlpha; 100 CTerrainTextureManager::TerrainAlphaMap::iterator m_TerrainAlpha; 101 }; 102 103 #endif 104