1 | /* |
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2 | ----------------------------------------------------------------------------- |
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3 | This source file is part of OGRE |
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4 | (Object-oriented Graphics Rendering Engine) |
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5 | For the latest info, see http://www.ogre3d.org/ |
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6 | |
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7 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
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8 | Also see acknowledgements in Readme.html |
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9 | |
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10 | This program is free software; you can redistribute it and/or modify it under |
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11 | the terms of the GNU Lesser General Public License as published by the Free Software |
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12 | Foundation; either version 2 of the License, or (at your option) any later |
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13 | version. |
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14 | |
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15 | This program is distributed in the hope that it will be useful, but WITHOUT |
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16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
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18 | |
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19 | You should have received a copy of the GNU Lesser General Public License along with |
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20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
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21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
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22 | http://www.gnu.org/copyleft/lesser.txt. |
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23 | |
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24 | You may alternatively use this source under the terms of a specific version of |
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25 | the OGRE Unrestricted License provided you have obtained such a license from |
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26 | Torus Knot Software Ltd. |
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27 | ----------------------------------------------------------------------------- |
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28 | */ |
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29 | |
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30 | |
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31 | #include "Ogre.h" |
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32 | #include "OgreMeshSerializer.h" |
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33 | #include "OgreSkeletonSerializer.h" |
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34 | #include "OgreDefaultHardwareBufferManager.h" |
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35 | #include "OgreHardwareVertexBuffer.h" |
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36 | |
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37 | #include <iostream> |
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38 | #include <sys/stat.h> |
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39 | |
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40 | using namespace std; |
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41 | using namespace Ogre; |
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42 | |
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43 | void help(void) |
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44 | { |
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45 | // Print help message |
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46 | cout << endl << "OgreMeshUpgrader: Upgrades .mesh files to the latest version." << endl; |
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47 | cout << "Provided for OGRE by Steve Streeting 2004" << endl << endl; |
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48 | cout << "Usage: OgreMeshUpgrader [-e] sourcefile [destfile] " << endl; |
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49 | cout << "-i = Interactive mode, prompt for options" << endl; |
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50 | cout << "-l lodlevels = number of LOD levels" << endl; |
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51 | cout << "-d loddist = distance increment to reduce LOD" << endl; |
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52 | cout << "-p lodpercent = Percentage triangle reduction amount per LOD" << endl; |
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53 | cout << "-f lodnumtris = Fixed vertex reduction per LOD" << endl; |
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54 | cout << "-e = DON'T generate edge lists (for stencil shadows)" << endl; |
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55 | cout << "-t = Generate tangents (for normal mapping)" << endl; |
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56 | cout << "-td [uvw|tangent]" << endl; |
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57 | cout << " = Tangent vertex semantic destination (default tangent)" << endl; |
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58 | cout << "-r = DON'T reorganise buffers to recommended format" << endl; |
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59 | cout << "-d3d = Convert to D3D colour formats" << endl; |
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60 | cout << "-gl = Convert to GL colour formats" << endl; |
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61 | cout << "-srcd3d = Interpret ambiguous colours as D3D style" << endl; |
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62 | cout << "-srcgl = Interpret ambiguous colours as GL style" << endl; |
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63 | cout << "-E endian = Set endian mode 'big' 'little' or 'native' (default)" << endl; |
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64 | cout << "-b = Recalculate bounding box (static meshes only)" << endl; |
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65 | cout << "sourcefile = name of file to convert" << endl; |
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66 | cout << "destfile = optional name of file to write to. If you don't" << endl; |
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67 | cout << " specify this OGRE overwrites the existing file." << endl; |
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68 | |
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69 | cout << endl; |
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70 | } |
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71 | |
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72 | struct UpgradeOptions |
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73 | { |
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74 | bool interactive; |
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75 | bool suppressEdgeLists; |
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76 | bool generateTangents; |
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77 | VertexElementSemantic tangentSemantic; |
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78 | bool dontReorganise; |
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79 | bool destColourFormatSet; |
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80 | VertexElementType destColourFormat; |
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81 | bool srcColourFormatSet; |
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82 | VertexElementType srcColourFormat; |
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83 | unsigned short numLods; |
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84 | Real lodDist; |
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85 | Real lodPercent; |
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86 | size_t lodFixed; |
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87 | bool usePercent; |
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88 | Serializer::Endian endian; |
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89 | bool recalcBounds; |
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90 | |
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91 | }; |
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92 | |
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93 | |
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94 | // Crappy globals |
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95 | // NB some of these are not directly used, but are required to |
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96 | // instantiate the singletons used in the dlls |
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97 | LogManager* logMgr = 0; |
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98 | Math* mth = 0; |
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99 | MaterialManager* matMgr = 0; |
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100 | SkeletonManager* skelMgr = 0; |
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101 | MeshSerializer* meshSerializer = 0; |
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102 | SkeletonSerializer* skeletonSerializer = 0; |
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103 | DefaultHardwareBufferManager *bufferManager = 0; |
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104 | ResourceGroupManager* rgm = 0; |
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105 | MeshManager* meshMgr = 0; |
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106 | UpgradeOptions opts; |
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107 | |
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108 | void parseOpts(UnaryOptionList& unOpts, BinaryOptionList& binOpts) |
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109 | { |
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110 | opts.interactive = false; |
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111 | opts.suppressEdgeLists = false; |
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112 | opts.generateTangents = false; |
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113 | opts.tangentSemantic = VES_TANGENT; |
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114 | opts.dontReorganise = false; |
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115 | opts.endian = Serializer::ENDIAN_NATIVE; |
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116 | opts.destColourFormatSet = false; |
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117 | opts.srcColourFormatSet = false; |
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118 | |
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119 | opts.lodDist = 500; |
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120 | opts.lodFixed = 0; |
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121 | opts.lodPercent = 20; |
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122 | opts.numLods = 0; |
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123 | opts.usePercent = true; |
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124 | opts.recalcBounds = false; |
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125 | |
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126 | |
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127 | UnaryOptionList::iterator ui = unOpts.find("-e"); |
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128 | opts.suppressEdgeLists = ui->second; |
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129 | ui = unOpts.find("-t"); |
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130 | opts.generateTangents = ui->second; |
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131 | ui = unOpts.find("-i"); |
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132 | opts.interactive = ui->second; |
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133 | ui = unOpts.find("-r"); |
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134 | opts.dontReorganise = ui->second; |
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135 | ui = unOpts.find("-d3d"); |
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136 | if (ui->second) |
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137 | { |
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138 | opts.destColourFormatSet = true; |
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139 | opts.destColourFormat = VET_COLOUR_ARGB; |
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140 | } |
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141 | ui = unOpts.find("-gl"); |
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142 | if (ui->second) |
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143 | { |
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144 | opts.destColourFormatSet = true; |
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145 | opts.destColourFormat = VET_COLOUR_ABGR; |
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146 | } |
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147 | ui = unOpts.find("-srcd3d"); |
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148 | if (ui->second) |
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149 | { |
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150 | opts.srcColourFormatSet = true; |
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151 | opts.srcColourFormat = VET_COLOUR_ARGB; |
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152 | } |
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153 | ui = unOpts.find("-srcgl"); |
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154 | if (ui->second) |
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155 | { |
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156 | opts.srcColourFormatSet = true; |
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157 | opts.srcColourFormat = VET_COLOUR_ABGR; |
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158 | } |
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159 | ui = unOpts.find("-b"); |
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160 | if (ui->second) |
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161 | { |
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162 | opts.recalcBounds = true; |
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163 | } |
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164 | |
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165 | |
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166 | BinaryOptionList::iterator bi = binOpts.find("-l"); |
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167 | if (!bi->second.empty()) |
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168 | { |
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169 | opts.numLods = StringConverter::parseInt(bi->second); |
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170 | } |
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171 | |
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172 | bi = binOpts.find("-d"); |
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173 | if (!bi->second.empty()) |
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174 | { |
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175 | opts.lodDist = StringConverter::parseReal(bi->second); |
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176 | } |
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177 | |
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178 | bi = binOpts.find("-p"); |
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179 | if (!bi->second.empty()) |
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180 | { |
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181 | opts.lodPercent = StringConverter::parseReal(bi->second); |
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182 | opts.usePercent = true; |
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183 | } |
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184 | |
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185 | |
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186 | bi = binOpts.find("-f"); |
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187 | if (!bi->second.empty()) |
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188 | { |
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189 | opts.lodFixed = StringConverter::parseInt(bi->second); |
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190 | opts.usePercent = false; |
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191 | } |
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192 | |
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193 | bi = binOpts.find("-E"); |
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194 | if (!bi->second.empty()) |
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195 | { |
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196 | if (bi->second == "big") |
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197 | opts.endian = Serializer::ENDIAN_BIG; |
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198 | else if (bi->second == "little") |
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199 | opts.endian = Serializer::ENDIAN_LITTLE; |
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200 | else |
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201 | opts.endian = Serializer::ENDIAN_NATIVE; |
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202 | } |
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203 | bi = binOpts.find("-td"); |
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204 | if (!bi->second.empty()) |
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205 | { |
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206 | if (bi->second == "uvw") |
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207 | opts.tangentSemantic = VES_TEXTURE_COORDINATES; |
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208 | else // if (bi->second == "tangent"), or anything else |
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209 | opts.tangentSemantic = VES_TANGENT; |
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210 | } |
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211 | } |
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212 | |
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213 | String describeSemantic(VertexElementSemantic sem) |
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214 | { |
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215 | switch (sem) |
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216 | { |
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217 | case VES_POSITION: |
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218 | return "Positions"; |
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219 | case VES_NORMAL: |
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220 | return "Normals"; |
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221 | case VES_BLEND_WEIGHTS: |
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222 | return "Blend Weights"; |
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223 | case VES_BLEND_INDICES: |
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224 | return "Blend Indices"; |
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225 | case VES_DIFFUSE: |
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226 | return "Diffuse"; |
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227 | case VES_SPECULAR: |
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228 | return "Specular"; |
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229 | case VES_TEXTURE_COORDINATES: |
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230 | return "Texture coordinates"; |
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231 | case VES_BINORMAL: |
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232 | return "Binormals"; |
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233 | case VES_TANGENT: |
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234 | return "Tangents"; |
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235 | }; |
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236 | return ""; |
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237 | } |
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238 | void displayVertexBuffers(VertexDeclaration::VertexElementList& elemList) |
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239 | { |
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240 | // Iterate per buffer |
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241 | unsigned short currentBuffer = 999; |
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242 | unsigned short elemNum = 0; |
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243 | VertexDeclaration::VertexElementList::iterator i, iend; |
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244 | iend = elemList.end(); |
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245 | for (i = elemList.begin(); i != iend; ++i) |
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246 | { |
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247 | if (i->getSource() != currentBuffer) |
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248 | { |
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249 | currentBuffer = i->getSource(); |
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250 | cout << "> Buffer " << currentBuffer << ":" << endl; |
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251 | } |
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252 | cout << " - Element " << elemNum++ << ": " << describeSemantic(i->getSemantic()); |
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253 | if (i->getSemantic() == VES_TEXTURE_COORDINATES) |
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254 | { |
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255 | cout << " (index " << i->getIndex() << ")"; |
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256 | } |
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257 | cout << endl; |
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258 | |
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259 | } |
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260 | } |
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261 | // Sort routine for VertexElement |
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262 | bool vertexElementLess(const VertexElement& e1, const VertexElement& e2) |
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263 | { |
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264 | // Sort by source first |
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265 | if (e1.getSource() < e2.getSource()) |
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266 | { |
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267 | return true; |
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268 | } |
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269 | else if (e1.getSource() == e2.getSource()) |
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270 | { |
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271 | // Use ordering of semantics to sort |
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272 | if (e1.getSemantic() < e2.getSemantic()) |
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273 | { |
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274 | return true; |
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275 | } |
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276 | else if (e1.getSemantic() == e2.getSemantic()) |
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277 | { |
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278 | // Use index to sort |
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279 | if (e1.getIndex() < e2.getIndex()) |
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280 | { |
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281 | return true; |
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282 | } |
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283 | } |
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284 | } |
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285 | return false; |
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286 | } |
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287 | void copyElems(VertexDeclaration* decl, VertexDeclaration::VertexElementList* elemList) |
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288 | { |
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289 | |
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290 | elemList->clear(); |
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291 | const VertexDeclaration::VertexElementList& origElems = decl->getElements(); |
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292 | VertexDeclaration::VertexElementList::const_iterator i, iend; |
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293 | iend = origElems.end(); |
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294 | for (i = origElems.begin(); i != iend; ++i) |
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295 | { |
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296 | elemList->push_back(*i); |
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297 | } |
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298 | elemList->sort(VertexDeclaration::vertexElementLess); |
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299 | } |
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300 | // Utility function to allow the user to modify the layout of vertex buffers. |
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301 | void reorganiseVertexBuffers(const String& desc, Mesh& mesh, VertexData* vertexData) |
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302 | { |
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303 | cout << endl << desc << ":- " << endl; |
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304 | // Copy elements into a list |
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305 | VertexDeclaration::VertexElementList elemList; |
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306 | copyElems(vertexData->vertexDeclaration, &elemList); |
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307 | |
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308 | bool finish = false; |
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309 | bool anyChanges = false; |
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310 | while (!finish) |
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311 | { |
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312 | displayVertexBuffers(elemList); |
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313 | cout << endl; |
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314 | |
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315 | cout << "Options: (a)utomatic" << endl; |
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316 | cout << " (m)ove element" << endl; |
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317 | cout << " (d)elete element" << endl; |
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318 | cout << " (r)eset" << endl; |
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319 | cout << " (f)inish" << endl; |
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320 | String response = ""; |
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321 | while (response.empty()) |
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322 | { |
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323 | cin >> response; |
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324 | StringUtil::toLowerCase(response); |
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325 | |
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326 | if (response == "m") |
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327 | { |
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328 | String moveResp; |
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329 | cout << "Which element do you want to move (type number): "; |
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330 | cin >> moveResp; |
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331 | if (!moveResp.empty()) |
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332 | { |
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333 | int eindex = StringConverter::parseInt(moveResp); |
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334 | VertexDeclaration::VertexElementList::iterator movei = elemList.begin(); |
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335 | std::advance(movei, eindex); |
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336 | cout << endl << "Move element " << eindex << "(" + describeSemantic(movei->getSemantic()) << ") to which buffer: "; |
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337 | cin >> moveResp; |
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338 | if (!moveResp.empty()) |
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339 | { |
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340 | int bindex = StringConverter::parseInt(moveResp); |
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341 | // Move (note offset will be wrong) |
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342 | *movei = VertexElement(bindex, 0, movei->getType(), |
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343 | movei->getSemantic(), movei->getIndex()); |
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344 | elemList.sort(vertexElementLess); |
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345 | anyChanges = true; |
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346 | |
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347 | } |
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348 | } |
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349 | } |
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350 | else if (response == "a") |
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351 | { |
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352 | // Automatic |
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353 | VertexDeclaration* newDcl = |
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354 | vertexData->vertexDeclaration->getAutoOrganisedDeclaration( |
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355 | mesh.hasSkeleton(), mesh.hasVertexAnimation()); |
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356 | copyElems(newDcl, &elemList); |
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357 | HardwareBufferManager::getSingleton().destroyVertexDeclaration(newDcl); |
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358 | anyChanges = true; |
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359 | |
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360 | } |
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361 | else if (response == "d") |
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362 | { |
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363 | String moveResp; |
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364 | cout << "Which element do you want to delete (type number): "; |
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365 | cin >> moveResp; |
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366 | if (!moveResp.empty()) |
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367 | { |
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368 | int eindex = StringConverter::parseInt(moveResp); |
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369 | VertexDeclaration::VertexElementList::iterator movei = elemList.begin(); |
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370 | std::advance(movei, eindex); |
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371 | cout << std::endl << "Delete element " << eindex << "(" + describeSemantic(movei->getSemantic()) << ")?: "; |
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372 | cin >> moveResp; |
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373 | StringUtil::toLowerCase(moveResp); |
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374 | if (moveResp == "y") |
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375 | { |
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376 | elemList.erase(movei); |
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377 | anyChanges = true; |
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378 | } |
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379 | } |
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380 | } |
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381 | else if (response == "r") |
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382 | { |
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383 | // reset |
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384 | copyElems(vertexData->vertexDeclaration, &elemList); |
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385 | anyChanges = false; |
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386 | } |
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387 | else if (response == "f") |
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388 | { |
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389 | // finish |
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390 | finish = true; |
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391 | } |
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392 | else |
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393 | { |
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394 | response == ""; |
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395 | } |
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396 | |
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397 | } |
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398 | } |
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399 | |
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400 | if (anyChanges) |
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401 | { |
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402 | String response; |
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403 | while (response.empty()) |
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404 | { |
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405 | displayVertexBuffers(elemList); |
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406 | cout << "Really reorganise the vertex buffers this way?"; |
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407 | cin >> response; |
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408 | StringUtil::toLowerCase(response); |
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409 | if (response == "y") |
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410 | { |
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411 | VertexDeclaration* newDecl = HardwareBufferManager::getSingleton().createVertexDeclaration(); |
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412 | VertexDeclaration::VertexElementList::iterator i, iend; |
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413 | iend = elemList.end(); |
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414 | unsigned short currentBuffer = 999; |
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415 | size_t offset; |
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416 | for (i = elemList.begin(); i != iend; ++i) |
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417 | { |
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418 | // Calc offsets since reorg changes them |
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419 | if (i->getSource() != currentBuffer) |
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420 | { |
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421 | offset = 0; |
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422 | currentBuffer = i->getSource(); |
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423 | } |
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424 | newDecl->addElement( |
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425 | currentBuffer, |
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426 | offset, |
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427 | i->getType(), |
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428 | i->getSemantic(), |
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429 | i->getIndex()); |
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430 | |
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431 | offset += VertexElement::getTypeSize(i->getType()); |
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432 | |
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433 | } |
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434 | // Usages don't matter here since we're onlly exporting |
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435 | BufferUsageList bufferUsages; |
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436 | for (size_t u = 0; u <= newDecl->getMaxSource(); ++u) |
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437 | bufferUsages.push_back(HardwareBuffer::HBU_STATIC_WRITE_ONLY); |
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438 | vertexData->reorganiseBuffers(newDecl, bufferUsages); |
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439 | } |
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440 | else if (response == "n") |
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441 | { |
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442 | // do nothing |
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443 | } |
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444 | else |
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445 | { |
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446 | response = ""; |
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447 | } |
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448 | } |
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449 | |
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450 | } |
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451 | |
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452 | |
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453 | |
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454 | } |
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455 | // Utility function to allow the user to modify the layout of vertex buffers. |
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456 | void reorganiseVertexBuffers(Mesh& mesh) |
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457 | { |
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458 | if (mesh.sharedVertexData) |
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459 | { |
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460 | if (opts.interactive) |
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461 | reorganiseVertexBuffers("Shared Geometry", mesh, mesh.sharedVertexData); |
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462 | else |
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463 | { |
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464 | // Automatic |
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465 | VertexDeclaration* newDcl = |
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466 | mesh.sharedVertexData->vertexDeclaration->getAutoOrganisedDeclaration( |
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467 | mesh.hasSkeleton(), mesh.hasVertexAnimation()); |
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468 | if (*newDcl != *(mesh.sharedVertexData->vertexDeclaration)) |
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469 | { |
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470 | // Usages don't matter here since we're onlly exporting |
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471 | BufferUsageList bufferUsages; |
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472 | for (size_t u = 0; u <= newDcl->getMaxSource(); ++u) |
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473 | bufferUsages.push_back(HardwareBuffer::HBU_STATIC_WRITE_ONLY); |
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474 | mesh.sharedVertexData->reorganiseBuffers(newDcl, bufferUsages); |
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475 | } |
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476 | |
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477 | } |
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478 | } |
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479 | |
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480 | Mesh::SubMeshIterator smIt = mesh.getSubMeshIterator(); |
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481 | unsigned short idx = 0; |
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482 | while (smIt.hasMoreElements()) |
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483 | { |
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484 | SubMesh* sm = smIt.getNext(); |
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485 | if (!sm->useSharedVertices) |
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486 | { |
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487 | if (opts.interactive) |
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488 | { |
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489 | StringUtil::StrStreamType str; |
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490 | str << "SubMesh " << idx++; |
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491 | reorganiseVertexBuffers(str.str(), mesh, sm->vertexData); |
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492 | } |
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493 | else |
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494 | { |
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495 | // Automatic |
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496 | VertexDeclaration* newDcl = |
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497 | sm->vertexData->vertexDeclaration->getAutoOrganisedDeclaration( |
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498 | mesh.hasSkeleton(), mesh.hasVertexAnimation()); |
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499 | if (*newDcl != *(sm->vertexData->vertexDeclaration)) |
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500 | { |
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501 | // Usages don't matter here since we're onlly exporting |
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502 | BufferUsageList bufferUsages; |
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503 | for (size_t u = 0; u <= newDcl->getMaxSource(); ++u) |
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504 | bufferUsages.push_back(HardwareBuffer::HBU_STATIC_WRITE_ONLY); |
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505 | sm->vertexData->reorganiseBuffers(newDcl, bufferUsages); |
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506 | } |
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507 | |
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508 | } |
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509 | } |
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510 | } |
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511 | } |
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512 | |
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513 | |
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514 | void vertexBufferReorg(Mesh& mesh) |
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515 | { |
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516 | String response; |
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517 | |
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518 | if (opts.interactive) |
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519 | { |
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520 | |
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521 | // Check to see whether we would like to reorganise vertex buffers |
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522 | std::cout << "\nWould you like to reorganise the vertex buffers for this mesh?"; |
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523 | while (response.empty()) |
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524 | { |
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525 | cin >> response; |
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526 | StringUtil::toLowerCase(response); |
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527 | if (response == "y") |
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528 | { |
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529 | reorganiseVertexBuffers(mesh); |
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530 | } |
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531 | else if (response == "n") |
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532 | { |
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533 | // Do nothing |
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534 | } |
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535 | else |
---|
536 | { |
---|
537 | response = ""; |
---|
538 | } |
---|
539 | } |
---|
540 | } |
---|
541 | else if (!opts.dontReorganise) |
---|
542 | { |
---|
543 | reorganiseVertexBuffers(mesh); |
---|
544 | } |
---|
545 | |
---|
546 | } |
---|
547 | |
---|
548 | void buildLod(Mesh* mesh) |
---|
549 | { |
---|
550 | String response; |
---|
551 | |
---|
552 | // Prompt for LOD generation? |
---|
553 | bool genLod = false; |
---|
554 | bool askLodDtls = false; |
---|
555 | if (!opts.interactive) // derive from params if in batch mode |
---|
556 | { |
---|
557 | askLodDtls = false; |
---|
558 | if (opts.numLods == 0) |
---|
559 | { |
---|
560 | genLod = false; |
---|
561 | } |
---|
562 | else |
---|
563 | { |
---|
564 | genLod = true; |
---|
565 | } |
---|
566 | } |
---|
567 | else if(opts.numLods == 0) // otherwise only ask if not specified on command line |
---|
568 | { |
---|
569 | if (mesh->getNumLodLevels() > 1) |
---|
570 | { |
---|
571 | std::cout << "\nXML already contains level-of detail information.\n" |
---|
572 | "Do you want to: (u)se it, (r)eplace it, or (d)rop it?"; |
---|
573 | while (response == "") |
---|
574 | { |
---|
575 | cin >> response; |
---|
576 | StringUtil::toLowerCase(response); |
---|
577 | if (response == "u") |
---|
578 | { |
---|
579 | // Do nothing |
---|
580 | } |
---|
581 | else if (response == "d") |
---|
582 | { |
---|
583 | mesh->removeLodLevels(); |
---|
584 | } |
---|
585 | else if (response == "r") |
---|
586 | { |
---|
587 | genLod = true; |
---|
588 | askLodDtls = true; |
---|
589 | |
---|
590 | } |
---|
591 | else |
---|
592 | { |
---|
593 | response = ""; |
---|
594 | } |
---|
595 | }// while response == "" |
---|
596 | } |
---|
597 | else // no existing LOD |
---|
598 | { |
---|
599 | std::cout << "\nWould you like to generate LOD information? (y/n)"; |
---|
600 | while (response == "") |
---|
601 | { |
---|
602 | cin >> response; |
---|
603 | StringUtil::toLowerCase(response); |
---|
604 | if (response == "n") |
---|
605 | { |
---|
606 | // Do nothing |
---|
607 | } |
---|
608 | else if (response == "y") |
---|
609 | { |
---|
610 | genLod = true; |
---|
611 | askLodDtls = true; |
---|
612 | } |
---|
613 | } |
---|
614 | } |
---|
615 | } |
---|
616 | |
---|
617 | if (genLod) |
---|
618 | { |
---|
619 | unsigned short numLod; |
---|
620 | ProgressiveMesh::VertexReductionQuota quota; |
---|
621 | Real reduction; |
---|
622 | Mesh::LodDistanceList distanceList; |
---|
623 | |
---|
624 | if (askLodDtls) |
---|
625 | { |
---|
626 | cout << "\nHow many extra LOD levels would you like to generate?"; |
---|
627 | cin >> numLod; |
---|
628 | |
---|
629 | cout << "\nWhat unit of reduction would you like to use:" << |
---|
630 | "\n(f)ixed or (p)roportional?"; |
---|
631 | cin >> response; |
---|
632 | StringUtil::toLowerCase(response); |
---|
633 | if (response == "f") |
---|
634 | { |
---|
635 | quota = ProgressiveMesh::VRQ_CONSTANT; |
---|
636 | cout << "\nHow many vertices should be removed at each LOD?"; |
---|
637 | } |
---|
638 | else |
---|
639 | { |
---|
640 | quota = ProgressiveMesh::VRQ_PROPORTIONAL; |
---|
641 | cout << "\nWhat percentage of remaining vertices should be removed " |
---|
642 | "\at each LOD (e.g. 50)?"; |
---|
643 | } |
---|
644 | cin >> reduction; |
---|
645 | if (quota == ProgressiveMesh::VRQ_PROPORTIONAL) |
---|
646 | { |
---|
647 | // Percentage -> parametric |
---|
648 | reduction = reduction * 0.01f; |
---|
649 | } |
---|
650 | |
---|
651 | cout << "\nEnter the distance for each LOD to come into effect."; |
---|
652 | |
---|
653 | Real distance; |
---|
654 | for (unsigned short iLod = 0; iLod < numLod; ++iLod) |
---|
655 | { |
---|
656 | cout << "\nLOD Level " << (iLod+1) << ":"; |
---|
657 | cin >> distance; |
---|
658 | distanceList.push_back(distance); |
---|
659 | } |
---|
660 | } |
---|
661 | else |
---|
662 | { |
---|
663 | numLod = opts.numLods; |
---|
664 | quota = opts.usePercent? |
---|
665 | ProgressiveMesh::VRQ_PROPORTIONAL : ProgressiveMesh::VRQ_CONSTANT; |
---|
666 | if (opts.usePercent) |
---|
667 | { |
---|
668 | reduction = opts.lodPercent * 0.01f; |
---|
669 | } |
---|
670 | else |
---|
671 | { |
---|
672 | reduction = opts.lodFixed; |
---|
673 | } |
---|
674 | Real currDist = 0; |
---|
675 | for (unsigned short iLod = 0; iLod < numLod; ++iLod) |
---|
676 | { |
---|
677 | currDist += opts.lodDist; |
---|
678 | distanceList.push_back(currDist); |
---|
679 | } |
---|
680 | |
---|
681 | } |
---|
682 | |
---|
683 | mesh->generateLodLevels(distanceList, quota, reduction); |
---|
684 | } |
---|
685 | |
---|
686 | } |
---|
687 | |
---|
688 | void checkColour(VertexData* vdata, bool &hasColour, bool &hasAmbiguousColour, |
---|
689 | VertexElementType& originalType) |
---|
690 | { |
---|
691 | const VertexDeclaration::VertexElementList& elemList = vdata->vertexDeclaration->getElements(); |
---|
692 | for (VertexDeclaration::VertexElementList::const_iterator i = elemList.begin(); |
---|
693 | i != elemList.end(); ++i) |
---|
694 | { |
---|
695 | const VertexElement& elem = *i; |
---|
696 | switch (elem.getType()) |
---|
697 | { |
---|
698 | case VET_COLOUR: |
---|
699 | hasAmbiguousColour = true; |
---|
700 | case VET_COLOUR_ABGR: |
---|
701 | case VET_COLOUR_ARGB: |
---|
702 | hasColour = true; |
---|
703 | originalType = elem.getType(); |
---|
704 | default: |
---|
705 | // do nothing |
---|
706 | ; |
---|
707 | }; |
---|
708 | } |
---|
709 | |
---|
710 | } |
---|
711 | |
---|
712 | void resolveColourAmbiguities(Mesh* mesh) |
---|
713 | { |
---|
714 | // Check what we're dealing with |
---|
715 | bool hasColour = false; |
---|
716 | bool hasAmbiguousColour = false; |
---|
717 | VertexElementType originalType; |
---|
718 | if (mesh->sharedVertexData) |
---|
719 | { |
---|
720 | checkColour(mesh->sharedVertexData, hasColour, hasAmbiguousColour, originalType); |
---|
721 | } |
---|
722 | for (unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i) |
---|
723 | { |
---|
724 | SubMesh* sm = mesh->getSubMesh(i); |
---|
725 | if (sm->useSharedVertices == false) |
---|
726 | { |
---|
727 | checkColour(sm->vertexData, hasColour, hasAmbiguousColour, originalType); |
---|
728 | } |
---|
729 | } |
---|
730 | |
---|
731 | String response; |
---|
732 | if (hasAmbiguousColour) |
---|
733 | { |
---|
734 | if (opts.srcColourFormatSet) |
---|
735 | { |
---|
736 | originalType = opts.srcColourFormat; |
---|
737 | } |
---|
738 | else |
---|
739 | { |
---|
740 | // unknown input colour, have to ask |
---|
741 | std::cout << "\nYour mesh has vertex colours but I don't know whether they were generated\n" |
---|
742 | << "using GL or D3D ordering. Please indicate which was used when the mesh was\n" |
---|
743 | << "created (type 'gl' or 'd3d').\n"; |
---|
744 | while (response.empty()) |
---|
745 | { |
---|
746 | cin >> response; |
---|
747 | StringUtil::toLowerCase(response); |
---|
748 | if (response == "d3d") |
---|
749 | { |
---|
750 | originalType = VET_COLOUR_ARGB; |
---|
751 | } |
---|
752 | else if (response == "gl") |
---|
753 | { |
---|
754 | originalType = VET_COLOUR_ABGR; |
---|
755 | } |
---|
756 | else |
---|
757 | { |
---|
758 | response = ""; |
---|
759 | } |
---|
760 | } |
---|
761 | } |
---|
762 | } |
---|
763 | |
---|
764 | // Ask what format we want to save in |
---|
765 | VertexElementType desiredType; |
---|
766 | if (hasColour) |
---|
767 | { |
---|
768 | if (opts.destColourFormatSet) |
---|
769 | { |
---|
770 | desiredType = opts.destColourFormat; |
---|
771 | } |
---|
772 | else |
---|
773 | { |
---|
774 | if (opts.interactive) |
---|
775 | { |
---|
776 | |
---|
777 | response = ""; |
---|
778 | std::cout << "\nYour mesh has vertex colours, which can be stored in one of two layouts,\n" |
---|
779 | << "each of which will be slightly faster to load in a different render system.\n" |
---|
780 | << "Do you want to prefer Direct3D (d3d) or OpenGL (gl)?\n"; |
---|
781 | while (response.empty()) |
---|
782 | { |
---|
783 | cin >> response; |
---|
784 | StringUtil::toLowerCase(response); |
---|
785 | if (response == "d3d") |
---|
786 | { |
---|
787 | desiredType = VET_COLOUR_ARGB; |
---|
788 | } |
---|
789 | else if (response == "gl") |
---|
790 | { |
---|
791 | desiredType = VET_COLOUR_ABGR; |
---|
792 | } |
---|
793 | else |
---|
794 | { |
---|
795 | response = ""; |
---|
796 | } |
---|
797 | } |
---|
798 | } |
---|
799 | else |
---|
800 | { |
---|
801 | // 'do no harm' |
---|
802 | return; |
---|
803 | } |
---|
804 | } |
---|
805 | |
---|
806 | } |
---|
807 | |
---|
808 | if (mesh->sharedVertexData && hasColour) |
---|
809 | { |
---|
810 | mesh->sharedVertexData->convertPackedColour(originalType, desiredType); |
---|
811 | } |
---|
812 | for (unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i) |
---|
813 | { |
---|
814 | SubMesh* sm = mesh->getSubMesh(i); |
---|
815 | if (sm->useSharedVertices == false && hasColour) |
---|
816 | { |
---|
817 | sm->vertexData->convertPackedColour(originalType, desiredType); |
---|
818 | } |
---|
819 | } |
---|
820 | |
---|
821 | |
---|
822 | } |
---|
823 | |
---|
824 | void recalcBounds(const VertexData* vdata, AxisAlignedBox& aabb, Real& radius) |
---|
825 | { |
---|
826 | const VertexElement* posElem = |
---|
827 | vdata->vertexDeclaration->findElementBySemantic(VES_POSITION); |
---|
828 | |
---|
829 | const HardwareVertexBufferSharedPtr buf = vdata->vertexBufferBinding->getBuffer( |
---|
830 | posElem->getSource()); |
---|
831 | void* pBase = buf->lock(HardwareBuffer::HBL_READ_ONLY); |
---|
832 | |
---|
833 | for (size_t v = 0; v < vdata->vertexCount; ++v) |
---|
834 | { |
---|
835 | float* pFloat; |
---|
836 | posElem->baseVertexPointerToElement(pBase, &pFloat); |
---|
837 | |
---|
838 | Vector3 pos(pFloat[0], pFloat[1], pFloat[2]); |
---|
839 | aabb.merge(pos); |
---|
840 | radius = std::max(radius, pos.length()); |
---|
841 | |
---|
842 | pBase = static_cast<void*>(static_cast<char*>(pBase) + buf->getVertexSize()); |
---|
843 | |
---|
844 | } |
---|
845 | |
---|
846 | buf->unlock(); |
---|
847 | |
---|
848 | } |
---|
849 | |
---|
850 | void recalcBounds(Mesh* mesh) |
---|
851 | { |
---|
852 | AxisAlignedBox aabb; |
---|
853 | Real radius = 0.0f; |
---|
854 | |
---|
855 | if (mesh->sharedVertexData) |
---|
856 | recalcBounds(mesh->sharedVertexData, aabb, radius); |
---|
857 | for (unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i) |
---|
858 | { |
---|
859 | SubMesh* sm = mesh->getSubMesh(i); |
---|
860 | if (!sm->useSharedVertices) |
---|
861 | recalcBounds(sm->vertexData, aabb, radius); |
---|
862 | } |
---|
863 | |
---|
864 | mesh->_setBounds(aabb, false); |
---|
865 | mesh->_setBoundingSphereRadius(radius); |
---|
866 | } |
---|
867 | |
---|
868 | int main(int numargs, char** args) |
---|
869 | { |
---|
870 | if (numargs < 2) |
---|
871 | { |
---|
872 | help(); |
---|
873 | return -1; |
---|
874 | } |
---|
875 | |
---|
876 | int retCode = 0; |
---|
877 | try |
---|
878 | { |
---|
879 | logMgr = new LogManager(); |
---|
880 | logMgr->createLog("OgreMeshUpgrade.log", true); |
---|
881 | rgm = new ResourceGroupManager(); |
---|
882 | mth = new Math(); |
---|
883 | matMgr = new MaterialManager(); |
---|
884 | matMgr->initialise(); |
---|
885 | skelMgr = new SkeletonManager(); |
---|
886 | meshSerializer = new MeshSerializer(); |
---|
887 | skeletonSerializer = new SkeletonSerializer(); |
---|
888 | bufferManager = new DefaultHardwareBufferManager(); // needed because we don't have a rendersystem |
---|
889 | meshMgr = new MeshManager(); |
---|
890 | // don't pad during upgrade |
---|
891 | meshMgr->setBoundsPaddingFactor(0.0f); |
---|
892 | |
---|
893 | |
---|
894 | UnaryOptionList unOptList; |
---|
895 | BinaryOptionList binOptList; |
---|
896 | |
---|
897 | unOptList["-i"] = false; |
---|
898 | unOptList["-e"] = false; |
---|
899 | unOptList["-t"] = false; |
---|
900 | unOptList["-r"] = false; |
---|
901 | unOptList["-gl"] = false; |
---|
902 | unOptList["-d3d"] = false; |
---|
903 | unOptList["-srcgl"] = false; |
---|
904 | unOptList["-srcd3d"] = false; |
---|
905 | unOptList["-b"] = false; |
---|
906 | binOptList["-l"] = ""; |
---|
907 | binOptList["-d"] = ""; |
---|
908 | binOptList["-p"] = ""; |
---|
909 | binOptList["-f"] = ""; |
---|
910 | binOptList["-E"] = ""; |
---|
911 | binOptList["-td"] = ""; |
---|
912 | |
---|
913 | int startIdx = findCommandLineOpts(numargs, args, unOptList, binOptList); |
---|
914 | parseOpts(unOptList, binOptList); |
---|
915 | |
---|
916 | String source(args[startIdx]); |
---|
917 | |
---|
918 | |
---|
919 | // Load the mesh |
---|
920 | struct stat tagStat; |
---|
921 | |
---|
922 | FILE* pFile = fopen( source.c_str(), "rb" ); |
---|
923 | if (!pFile) |
---|
924 | { |
---|
925 | OGRE_EXCEPT(Exception::ERR_FILE_NOT_FOUND, |
---|
926 | "File " + source + " not found.", "OgreMeshUpgrade"); |
---|
927 | } |
---|
928 | stat( source.c_str(), &tagStat ); |
---|
929 | MemoryDataStream* memstream = new MemoryDataStream(source, tagStat.st_size, true); |
---|
930 | fread( (void*)memstream->getPtr(), tagStat.st_size, 1, pFile ); |
---|
931 | fclose( pFile ); |
---|
932 | |
---|
933 | Mesh mesh(meshMgr, "conversion", 0, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME); |
---|
934 | |
---|
935 | DataStreamPtr stream(memstream); |
---|
936 | meshSerializer->importMesh(stream, &mesh); |
---|
937 | |
---|
938 | // Write out the converted mesh |
---|
939 | String dest; |
---|
940 | if (numargs == startIdx + 2) |
---|
941 | { |
---|
942 | dest = args[startIdx + 1]; |
---|
943 | } |
---|
944 | else |
---|
945 | { |
---|
946 | dest = source; |
---|
947 | } |
---|
948 | |
---|
949 | String response; |
---|
950 | |
---|
951 | vertexBufferReorg(mesh); |
---|
952 | |
---|
953 | // Deal with VET_COLOUR ambiguities |
---|
954 | resolveColourAmbiguities(&mesh); |
---|
955 | |
---|
956 | buildLod(&mesh); |
---|
957 | |
---|
958 | // Make sure we generate edge lists, provided they are not deliberately disabled |
---|
959 | if (!opts.suppressEdgeLists) |
---|
960 | { |
---|
961 | cout << "\nGenerating edge lists.." << std::endl; |
---|
962 | mesh.buildEdgeList(); |
---|
963 | } |
---|
964 | else |
---|
965 | { |
---|
966 | mesh.freeEdgeList(); |
---|
967 | } |
---|
968 | |
---|
969 | // Generate tangents? |
---|
970 | if (opts.generateTangents) |
---|
971 | { |
---|
972 | unsigned short srcTex, destTex; |
---|
973 | bool existing = mesh.suggestTangentVectorBuildParams(opts.tangentSemantic, srcTex, destTex); |
---|
974 | if (existing) |
---|
975 | { |
---|
976 | if (opts.interactive) |
---|
977 | { |
---|
978 | std::cout << "\nThis mesh appears to already have a set of tangents, " << |
---|
979 | "which would suggest tangent vectors have already been calculated. Do you really " << |
---|
980 | "want to generate new tangent vectors (may duplicate)? (y/n)"; |
---|
981 | while (response == "") |
---|
982 | { |
---|
983 | cin >> response; |
---|
984 | StringUtil::toLowerCase(response); |
---|
985 | if (response == "y") |
---|
986 | { |
---|
987 | // Do nothing |
---|
988 | } |
---|
989 | else if (response == "n") |
---|
990 | { |
---|
991 | opts.generateTangents = false; |
---|
992 | } |
---|
993 | else |
---|
994 | { |
---|
995 | response = ""; |
---|
996 | } |
---|
997 | } |
---|
998 | } |
---|
999 | else |
---|
1000 | { |
---|
1001 | // safe |
---|
1002 | opts.generateTangents = false; |
---|
1003 | } |
---|
1004 | |
---|
1005 | } |
---|
1006 | if (opts.generateTangents) |
---|
1007 | { |
---|
1008 | cout << "Generating tangent vectors...." << std::endl; |
---|
1009 | mesh.buildTangentVectors(opts.tangentSemantic, srcTex, destTex); |
---|
1010 | } |
---|
1011 | } |
---|
1012 | |
---|
1013 | |
---|
1014 | if (opts.recalcBounds) |
---|
1015 | recalcBounds(&mesh); |
---|
1016 | |
---|
1017 | meshSerializer->exportMesh(&mesh, dest, opts.endian); |
---|
1018 | |
---|
1019 | } |
---|
1020 | catch (Exception& e) |
---|
1021 | { |
---|
1022 | cout << "Exception caught: " << e.getDescription(); |
---|
1023 | retCode = 1; |
---|
1024 | } |
---|
1025 | |
---|
1026 | |
---|
1027 | delete meshMgr; |
---|
1028 | delete skeletonSerializer; |
---|
1029 | delete meshSerializer; |
---|
1030 | delete skelMgr; |
---|
1031 | delete matMgr; |
---|
1032 | delete mth; |
---|
1033 | delete rgm; |
---|
1034 | delete logMgr; |
---|
1035 | |
---|
1036 | return retCode; |
---|
1037 | |
---|
1038 | } |
---|
1039 | |
---|