qcsrc/client/player_skeleton.qc

   1 #include "player_skeleton.qh"
   2
   3 #include "../common/csqcmodel_settings.qh"
   4
   5 #include "../warpzonelib/anglestransform.qh"
   6
   7 class(Skeleton) .float skeleton_info_modelindex;
   8 class(Skeleton) .float skeleton_info_skin;
   9 const int BONETYPE_LOWER = 0;
  10 const int BONETYPE_UPPER = 1;
  11 const int MAX_BONES = 128;
  12 class(Skeleton) .float skeleton_bonetype[MAX_BONES];
  13 class(Skeleton) .float skeleton_numbones;
  14
  15 void skeleton_loadinfo(entity e)
  16 {
  17         int i;
  18         if(e.skeleton_info_modelindex == e.modelindex && e.skeleton_info_skin == e.skin)
  19                 return;
  20         e.bone_upperbody = 0;
  21         e.bone_weapon = gettagindex(e, "weapon");
  22         if(!e.bone_weapon)
  23                 e.bone_weapon = gettagindex(e, "tag_weapon");
  24         if(!e.bone_weapon)
  25                 e.bone_weapon = gettagindex(e, "bip01 r hand");
  26         for(i = 0; i < MAX_AIM_BONES; ++i)
  27         {
  28                 e.(bone_aim[i]) = 0;
  29                 e.(bone_aimweight[i]) = 0;
  30         }
  31         e.fixbone = 0;
  32         if(get_model_parameters(e.model, e.skin))
  33         {
  34                 if(get_model_parameters_bone_upperbody)
  35                         e.bone_upperbody = gettagindex(e, get_model_parameters_bone_upperbody);
  36                 if(e.bone_upperbody)
  37                         e.fixbone = get_model_parameters_fixbone;
  38                 if(get_model_parameters_bone_weapon)
  39                         e.bone_weapon = gettagindex(e, get_model_parameters_bone_weapon);
  40                 for(i = 0; i < MAX_AIM_BONES; ++i)
  41                 {
  42                         if(get_model_parameters_bone_aim[i])
  43                                 e.(bone_aim[i]) = gettagindex(e, get_model_parameters_bone_aim[i]);
  44                         if(e.bone_aim[i])
  45                                 e.(bone_aimweight[i]) = get_model_parameters_bone_aimweight[i];
  46                 }
  47         }
  48         else
  49                 dprint("No model parameters for ", e.model, "\n");
  50         dprint(e.model, " uses ", ftos(e.bone_upperbody), " ", ftos(e.fixbone), "\n");
  51         get_model_parameters(string_null, 0);
  52         e.skeleton_info_modelindex = e.modelindex;
  53         e.skeleton_info_skin = e.skin;
  54         if(e.skeletonindex)
  55         {
  56                 skel_delete(e.skeletonindex);
  57                 e.skeletonindex = 0;
  58         }
  59 }
  60
  61 void skeleton_markbones(entity e)
  62 {
  63         float s = e.skeletonindex;
  64         float n = (e.skeleton_numbones = skel_get_numbones(s));
  65         int i;
  66         for(i = 1; i <= n; ++i)
  67         {
  68                 float t = BONETYPE_LOWER;
  69                 int p = skel_get_boneparent(s, i);
  70                 if(p > 0)
  71                         t = e.(skeleton_bonetype[p-1]);
  72                 if(i == e.bone_upperbody)
  73                         t = BONETYPE_UPPER;
  74                 e.(skeleton_bonetype[i-1]) = t;
  75         }
  76 }
  77
  78 void skel_set_boneabs(float s, float bone, vector absorg)
  79 {
  80         vector absang = fixedvectoangles2(v_forward, v_up);
  81
  82         vector parentorg = skel_get_boneabs(s, skel_get_boneparent(s, bone));
  83         vector parentang = fixedvectoangles2(v_forward, v_up);
  84
  85         vector relang = AnglesTransform_LeftDivide(parentang, absang);
  86         vector relorg = AnglesTransform_Apply(AnglesTransform_Invert(parentang), absorg - parentorg);
  87
  88         fixedmakevectors(relang);
  89         skel_set_bone(s, bone, relorg);
  90
  91         /*
  92         vector neworg = skel_get_boneabs(s, bone);
  93         printf("ANG: want: %v, got: %v\n", absang, fixedvectoangles2(v_forward, v_up));
  94         printf("ORG: want: %v, got: %v\n", absorg, neworg);
  95         */
  96 }
  97
  98 void free_skeleton_from_frames(entity e)
  99 {
 100         if(e.skeletonindex)
 101         {
 102                 skel_delete(e.skeletonindex);
 103                 e.skeletonindex = 0;
 104         }
 105 }
 106
 107 void skeleton_from_frames(entity e, float is_dead)
 108 {
 109         float m = e.modelindex;
 110         if(!e.skeletonindex)
 111         {
 112                 e.skeletonindex = skel_create(m);
 113                 skeleton_markbones(e);
 114         }
 115         float s = e.skeletonindex;
 116         if(!s)
 117                 return;
 118         float n = e.skeleton_numbones;
 119         float savelerpfrac = e.lerpfrac;
 120         float savelerpfrac3 = e.lerpfrac3;
 121         float savelerpfrac4 = e.lerpfrac4;
 122
 123         vector fixbone_oldangles = '0 0 0';
 124         if(e.fixbone)
 125         {
 126                 // make all bones BONETYPE_UPPER
 127                 e.lerpfrac = 0;
 128                 e.lerpfrac3 = savelerpfrac3 * 2;
 129                 e.lerpfrac4 = 0;
 130                 // build skeleton
 131                 skel_build(s, e, m, 0, 1, n);
 132                 // get hip bone
 133                 skel_get_boneabs(s, e.bone_upperbody);
 134                 fixbone_oldangles = fixedvectoangles2(v_forward, v_up);
 135         }
 136         int bone;
 137         for(bone = 0; bone < n; )
 138         {
 139                 float firstbone = bone;
 140                 float bonetype = e.skeleton_bonetype[bone];
 141                 for(++bone; (bone < n) && (e.skeleton_bonetype[bone] == bonetype); ++bone)
 142                         ;
 143                 if(bonetype == BONETYPE_UPPER)
 144                 {
 145                         // only show frames 1+3 (upper body)
 146                         e.lerpfrac = 0;
 147                         e.lerpfrac3 = savelerpfrac3 * 2;
 148                         e.lerpfrac4 = 0;
 149                 }
 150                 else
 151                 {
 152                         // only show frames 2+4 (lower body)
 153                         e.lerpfrac = savelerpfrac * 2;
 154                         e.lerpfrac3 = 0;
 155                         e.lerpfrac4 = savelerpfrac4 * 2;
 156                 }
 157                 //printf("Run: bone %d to %d, type %d\n", firstbone + 1, bone, bonetype);
 158                 //printf("frame %d %d %d %d lerpfrac * %d %d %d\n", e.frame, e.frame2, e.frame3, e.frame4, e.lerpfrac, e.lerpfrac3, e.lerpfrac4);
 159                 skel_build(s, e, m, 0, firstbone + 1, bone);
 160         }
 161         e.lerpfrac = savelerpfrac;
 162         e.lerpfrac3 = savelerpfrac3;
 163         e.lerpfrac4 = savelerpfrac4;
 164
 165         if(e.fixbone)
 166         {
 167                 // FIX IT
 168                 vector org = skel_get_boneabs(s, e.bone_upperbody);
 169                 fixedmakevectors(fixbone_oldangles);
 170                 skel_set_boneabs(s, e.bone_upperbody, org);
 171         }
 172
 173         if(!is_dead)
 174         {
 175                 if(self == csqcplayer)
 176                         self.v_angle_x = input_angles_x;
 177                 int i;
 178                 for(i = 0; i < MAX_AIM_BONES; ++i)
 179                 {
 180                         if(e.(bone_aim[i]))
 181                         {
 182                                 vector aim = '1 0 0' * bound(-90, self.v_angle.x, 90) * e.(bone_aimweight[i]);
 183                                 vector org = skel_get_boneabs(s, e.(bone_aim[i]));
 184                                 vector ang_cur = fixedvectoangles2(v_forward, v_up);
 185                                 vector ang = AnglesTransform_Multiply(aim, ang_cur);
 186                                 fixedmakevectors(ang);
 187                                 skel_set_boneabs(s, e.(bone_aim[i]), org);
 188                         }
 189                 }
 190         }
 191 }