[692] | 1 | ----------------------------------------------------------------------------- |
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| 2 | -- gets keyframes from the controllers animation |
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| 3 | ----------------------------------------------------------------------------- |
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| 4 | function getTimeList obj firstframe lastframe = |
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| 5 | ( |
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| 6 | local list,rotContr,posContr, ; |
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| 7 | list = #(firstframe) ; |
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| 8 | list2 = #() ; -- this is the list which will be returned. |
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| 9 | |
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| 10 | -- Biped_Objects and Bones don't have the same properties |
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| 11 | |
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| 12 | -- Biped_Objets |
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| 13 | if (isKindOf obj Biped_Object) then ( |
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| 14 | for e in obj.controller.keys do ( |
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| 15 | t =e.time ; |
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| 16 | if (t>firstFrame and t<=lastFrame) then |
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| 17 | append list t ; |
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| 18 | ) |
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| 19 | ) |
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| 20 | -- Bones |
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| 21 | else ( |
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| 22 | rotContr = obj.rotation.controller ; |
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| 23 | posContr = obj.pos.controller ; |
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| 24 | |
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| 25 | for e in rotContr.keys do ( |
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| 26 | t = e.time ; |
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| 27 | if (t>firstFrame and t<=lastFrame) then |
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| 28 | append list t ; |
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| 29 | ) |
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| 30 | for e in posContr.keys do ( |
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| 31 | t = e.time ; |
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| 32 | if (t>firstFrame and t<=lastFrame) then |
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| 33 | append list t ; |
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| 34 | ) |
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| 35 | ) |
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| 36 | -- if several keyframes have the same value, we keep just one |
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| 37 | keepLoneValues list list2 ; |
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| 38 | list2 ; |
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| 39 | ) |
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| 40 | |
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| 41 | |
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| 42 | ----------------------------------------------------------------------------- |
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| 43 | -- write <track /> |
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| 44 | -- Selected keys belongs to [firstframe,lastFrame] |
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| 45 | -- time = (key.time - firstFrame)*length/(lastFrame-firstFrame) |
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| 46 | -- (e.g. first key has time 0.) |
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| 47 | ----------------------------------------------------------------------------- |
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| 48 | |
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| 49 | function writeTrack sk boneId firstframe lastframe length scale flipYZ outFile= |
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| 50 | ( |
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| 51 | local angle,timef,i,bname,d,mref,mparent ; |
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| 52 | |
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| 53 | -- displays information in the maxscript listener |
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| 54 | format "retrieving key information for % ...\n" (skinOps.GetBoneName sk boneId 1) ; |
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| 55 | |
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| 56 | -- gets bone acording to the parameter boneId |
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| 57 | bname= skinOps.GetBoneName sk boneId 1 ; |
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| 58 | replaceSpaces bname ; |
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| 59 | d = execute ("$" + bname) ; |
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| 60 | |
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| 61 | -- gets keyframe list |
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| 62 | timelist = getTimeList d firstframe lastframe ; |
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| 63 | |
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| 64 | -- track header |
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| 65 | format("\t\t\t\t<track bone = \"%\">\n") (replaceSpaces d.name) to:outFile ; |
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| 66 | format("\t\t\t\t\t<keyframes>\n") to:outFile ; |
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| 67 | |
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| 68 | -- gets initial transform at frame 0f |
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| 69 | at time 0f ( |
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| 70 | initTform = d.transform ; |
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| 71 | if (not isRoot d) then ( |
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| 72 | mparent = d.parent.transform ; |
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| 73 | initTform = initTform*inverse(mparent) ; |
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| 74 | ) |
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| 75 | else if (flipYZ) then ( |
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| 76 | format " - flipping root bone track..." ; |
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| 77 | initTform = flipYZTransform initTform ; |
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| 78 | ) |
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| 79 | ) |
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| 80 | |
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| 81 | -- for each frame in the list |
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| 82 | for i in timelist do |
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| 83 | ( |
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| 84 | -- moves slider time and compute OGRE time |
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| 85 | at time i ( |
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| 86 | timef = ((float) (i-firstFrame)*length)/(lastframe - firstframe ) ; |
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| 87 | |
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| 88 | -- First, rotation which depends on initial transformation |
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| 89 | Tform = d.transform ; |
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| 90 | -- if this is the root bone |
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| 91 | if (isRoot d) then ( |
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| 92 | mparent = matrix3 1 ; |
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| 93 | -- if flipYZ == true |
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| 94 | if (flipYZ) then |
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| 95 | Tform = flipYZTransform Tform ; |
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| 96 | ) |
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| 97 | else |
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| 98 | mparent = d.parent.transform ; |
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| 99 | |
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| 100 | -- computes rotation |
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| 101 | mref = initTform*mparent ; |
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| 102 | Tform = Tform*inverse(mref) ; |
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| 103 | |
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| 104 | -- rotation part is saved. |
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| 105 | rot = Tform.rotation as angleaxis ; |
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| 106 | angle = - degToRad (rot.angle) ; -- don't know why there must be this minus :(((((( |
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| 107 | |
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| 108 | -- Then, position which depends on parent |
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| 109 | Tform=d.transform ; |
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| 110 | Tform=Tform*inverse(mparent) ; |
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| 111 | |
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| 112 | -- if this is the root bone and flipYZ == true |
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| 113 | if (isRoot d and flipYZ) then ( |
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| 114 | Tform = flipYZTransform Tform ; |
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| 115 | ) |
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| 116 | |
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| 117 | -- substracts position of the initial transform |
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| 118 | Tform.pos -= initTform.pos ; |
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| 119 | Tform.pos = Tform.pos * scale ; |
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| 120 | |
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| 121 | pos = Tform.pos ; |
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| 122 | |
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| 123 | |
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| 124 | -- writes them ! |
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| 125 | format("\t\t\t\t\t\t<keyframe time=\"%\">\n") timef to: outFile ; |
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| 126 | format("\t\t\t\t\t\t\t<translate x=\"%\" y=\"%\" z=\"%\" />\n") pos.x pos.y pos.z to: outFile ; |
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| 127 | format("\t\t\t\t\t\t\t<rotate angle=\"%\">\n") angle to:outFile ; |
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| 128 | format("\t\t\t\t\t\t\t\t<axis x=\"%\" y=\"%\" z=\"%\" />\n") (rot.axis.x) (rot.axis.y) (rot.axis.z) to:outFile ; |
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| 129 | format("\t\t\t\t\t\t\t</rotate>\n") to:outFile ; |
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| 130 | format("\t\t\t\t\t\t</keyframe>\n") to:outFile ; |
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| 131 | ) |
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| 132 | ) |
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| 133 | |
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| 134 | -- track end |
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| 135 | format("\t\t\t\t\t</keyframes>\n") to:outFile ; |
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| 136 | format("\t\t\t\t</track>\n") d.name to: outFile ; |
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| 137 | ) |
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| 138 | |
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| 139 | |
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| 140 | ------------------------------------------------------------------------------------------------- |
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| 141 | ------------------------------------------- WRITE SKELETON -------------------------------------- |
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| 142 | ------------------------------------------------------------------------------------------------- |
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| 143 | |
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| 144 | -- Nota : |
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| 145 | -- A vertex 0 and a bone 0 are added because 3dsmax starts with vertex 1 and bone 1. |
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| 146 | |
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| 147 | |
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| 148 | ------------------ |
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| 149 | -- write <bones /> |
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| 150 | ------------------ |
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| 151 | |
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| 152 | function writeB sk id scale flipYZ outFile = |
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| 153 | ( |
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| 154 | -- gets bone acording to the parameter boneId |
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| 155 | bname= skinOps.GetBoneName sk id 1 ; |
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| 156 | replaceSpaces bname ; |
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| 157 | d = execute ("$" + bname) ; |
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| 158 | |
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| 159 | -- gets initial transform at frame 0f |
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| 160 | format("\t\t<bone id=\"%\" name=\"%\">\n") id (replaceSpaces d.name) to:outFile ; |
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| 161 | |
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| 162 | slidertime = 0f ; |
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| 163 | Tform = d.transform ; |
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| 164 | if (not isRoot d) then ( |
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| 165 | mparent = d.parent.transform ; |
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| 166 | Tform = Tform*inverse(mparent) ; |
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| 167 | ) |
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| 168 | |
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| 169 | Tform.pos = Tform.pos * scale ; |
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| 170 | |
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| 171 | if ((isRoot d) and flipYZ) then ( |
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| 172 | format "- Flipping root bone... \n" ; |
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| 173 | Tform = flipYZTransform Tform ; |
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| 174 | ) |
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| 175 | |
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| 176 | pos = Tform.pos ; |
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| 177 | rot = Tform.rotation as angleaxis ; |
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| 178 | angle = - degToRad (rot.angle) ; -- don't know why there must be this minus :(((((( |
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| 179 | |
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| 180 | format("\t\t\t<position x=\"%\" y=\"%\" z=\"%\" />\n") pos.x pos.y pos.z to:outFile ; |
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| 181 | format("\t\t\t<rotation angle=\"%\">\n") angle to:outFile ; |
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| 182 | format("\t\t\t\t<axis x=\"%\" y=\"%\" z=\"%\" />\n") rot.axis.x rot.axis.y rot.axis.z to:outFile ; |
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| 183 | format("\t\t\t</rotation>\n") to:outFile ; |
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| 184 | format("\t\t</bone>\n") to:outFile ; |
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| 185 | ) |
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| 186 | ----------------------------- |
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| 187 | -- write Bones (using writeB) |
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| 188 | ----------------------------- |
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| 189 | |
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| 190 | function writeBones sk scale flipYZ outFile = |
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| 191 | ( |
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| 192 | local i ; |
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| 193 | |
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| 194 | format("\t<bones>\n") to:outFile; |
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| 195 | |
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| 196 | -- we create a virtual bone number 0. |
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| 197 | format("\t\t<bone id=\"0\" name=\"zzwxy\">\n") to:outFile ; |
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| 198 | format("\t\t\t<position x=\"0\" y=\"0\" z=\"0\" />\n") to:outFile ; |
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| 199 | format("\t\t\t<rotation angle=\"0\">\n") to:outFile ; |
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| 200 | format("\t\t\t\t<axis x=\"1\" y=\"0\" z=\"0\" />\n") to:outFile ; |
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| 201 | format("\t\t\t</rotation>\n") to:outFile ; |
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| 202 | format("\t\t</bone>\n") to:outFile ; |
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| 203 | i = 0 ; |
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| 204 | for i=1 to (skinOps.GetNumberBones sk) do |
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| 205 | ( |
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| 206 | writeB sk i scale flipYZ outFile ; |
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| 207 | ) |
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| 208 | format("\t</bones>\n") to:outFile; |
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| 209 | ) |
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| 210 | |
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| 211 | ----------------------------------- |
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| 212 | -- recursive fun to write hierarchy |
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| 213 | ----------------------------------- |
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| 214 | |
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| 215 | function writeH b outFile = |
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| 216 | ( |
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| 217 | if ( b.parent != undefined and (isKindOf b.parent BoneGeometry or iskindOf b.parent Biped_Object)) then |
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| 218 | ( |
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| 219 | p = b.parent ; |
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| 220 | format("\t\t<boneparent bone=\"%\" parent=\"%\" />\n") (replaceSpaces b.name) (replaceSpaces p.name) to:outFile ; |
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| 221 | ) |
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| 222 | childrenArray = b.children ; |
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| 223 | for i=1 to childrenArray.count do |
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| 224 | ( |
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| 225 | if (isKindOf b BoneGeometry or iskindOf b Biped_Object) then |
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| 226 | writeH childrenArray[i] outFile ; |
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| 227 | ) |
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| 228 | |
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| 229 | ) |
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| 230 | |
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| 231 | -------------------------- |
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| 232 | -- write <bonehierarchy /> |
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| 233 | -------------------------- |
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| 234 | |
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| 235 | function writeHierarchy sk outFile = |
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| 236 | ( |
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| 237 | format("\t<bonehierarchy>\n") to:outFile ; |
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| 238 | roots = getRoots sk ; |
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| 239 | |
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| 240 | -- ecriture de la track pour le bone 0. |
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| 241 | format("\t\t<boneparent bone=\"zzwxy\" parent=\"%\" />\n") roots[1].name to:outFile ; |
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| 242 | for b in roots do |
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| 243 | ( |
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| 244 | writeH b outFile; |
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| 245 | ) |
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| 246 | format("\t</bonehierarchy>\n") to:outFile ; |
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| 247 | ) |
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| 248 | |
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| 249 | ----------------------- |
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| 250 | -- write <animations /> |
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| 251 | ----------------------- |
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| 252 | function writeAnim sk firstFrame lastFrame length scale flipYZ name outFile = |
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| 253 | ( |
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| 254 | local i,n ; |
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| 255 | |
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| 256 | format("\t<animations>\n") to: outFile ; |
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| 257 | format("\t\t<animation name=\"%\" length=\"%\">\n") name length to:outFile ; |
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| 258 | format("\t\t\t<tracks>\n") to:outFile |
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| 259 | |
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| 260 | -- ecriture track 0 |
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| 261 | format("\t\t\t\t<track bone = \"zzwxy\">\n") to: outFile ; |
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| 262 | format("\t\t\t\t\t<keyframes>\n") to:outFile ; |
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| 263 | format("\t\t\t\t\t\t<keyframe time=\"0\">\n") to:outFile ; |
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| 264 | format("\t\t\t\t\t\t\t<translate x=\"0\" y=\"0\" z=\"0\" />\n") to: outFile ; |
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| 265 | format("\t\t\t\t\t\t\t<rotate angle=\"0\">\n") to:outFile ; |
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| 266 | format("\t\t\t\t\t\t\t\t<axis x=\"1\" y=\"0\" z=\"0\" />\n") to:outFile ; |
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| 267 | format("\t\t\t\t\t\t\t</rotate>\n") to:outFile ; |
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| 268 | format("\t\t\t\t\t\t</keyframe>\n") to:outFile ; |
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| 269 | format("\t\t\t\t\t</keyframes>\n") to:outFile ; |
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| 270 | format("\t\t\t\t</track>\n") to: outFile ; |
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| 271 | |
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| 272 | n = skinOps.GetNumberBones sk ; |
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| 273 | liste = #(0,20,30,40) ; |
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| 274 | for i = 1 to n do |
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| 275 | writeTrack sk i firstframe lastframe length scale flipYZ outFile ; |
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| 276 | |
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| 277 | format("\t\t\t</tracks>\n") to:outFile |
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| 278 | format("\t\t</animation>\n") to: outFile ; |
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| 279 | format("\t</animations>\n") to: outFile ; |
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| 280 | ) |
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| 281 | |
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| 282 | ------------------------------------------------------------- |
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| 283 | -- write <skeleton /> main function |
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| 284 | -- write the animation in the file out_name + ".skeleton.xml" |
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| 285 | -- between the frame firstFrame and lastFrame |
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| 286 | -- and scale time according to length |
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| 287 | ------------------------------------------------------------- |
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| 288 | |
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| 289 | function writeSkeleton pmesh exportOptions out_name = |
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| 290 | ( |
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| 291 | local sk,n,keys,initialKeys,messages ; |
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| 292 | sk = getSkin pmesh ; |
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| 293 | |
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| 294 | if (sk == undefined) then |
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| 295 | ( |
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| 296 | MessageBox "There is no skin modifier for this object" ; |
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| 297 | ) |
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| 298 | else |
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| 299 | ( |
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| 300 | -- in order to perform, skin should be opened |
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| 301 | max modify mode ; |
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| 302 | modPanel.setCurrentObject pmesh.modifiers[#Skin] ; |
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| 303 | |
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| 304 | format "------------------------------------------\n" |
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| 305 | format "------ OGRE skeleton Exporter Log ------\n" |
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| 306 | format "------------------------------------------\n" |
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| 307 | |
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| 308 | format "Exporter options :\n" |
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| 309 | format "- firstFrame: % \n- lastFrame: %\n" exportOptions.firstFrame exportOptions.lastFrame ; |
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| 310 | -- creates the output file |
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| 311 | outFile = createfile (out_name + ".skeleton.xml") ; |
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| 312 | |
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| 313 | -- writes header |
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| 314 | format("<skeleton>\n") to:outFile ; |
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| 315 | |
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| 316 | format "Writing bones :\n" ; |
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| 317 | writeBones sk exportOptions.scale exportOptions.flipYZ outFile ; |
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| 318 | format "Writing bone hierarchy.\n" ; |
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| 319 | writeHierarchy sk outFile ; |
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| 320 | format "Writing bone tracks.\n" ; |
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| 321 | writeAnim sk exportOptions.firstFrame exportOptions.lastFrame exportOptions.length exportOptions.scale exportOptions.flipYZ exportOptions.animName outFile ; |
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| 322 | |
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| 323 | -- ecriture, fin des balises |
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| 324 | format("</skeleton>\n") to: outFile ; |
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| 325 | |
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| 326 | format "------------------------------------------\n" |
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| 327 | format "---------- END ---------\n" |
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| 328 | format "------------------------------------------\n" |
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| 329 | |
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| 330 | close outFile ; |
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| 331 | messageBox "Exporting skeleton successful !" |
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| 332 | ) |
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| 333 | |
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| 334 | ) |
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| 335 | |
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| 336 | |
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| 337 | |
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