build static frame for IQM models with no animations

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11243 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=4c61497f6bb3694fa9cd4457e0c5d0dbf1e95ecd

diff --git a/model_alias.c b/model_alias.c
index 2231f3df546326c1b65a01d40818ff15260b05c5..0116d87f2ba66d04e3cc6289c59880323bf8b171 100644 (file)
--- a/model_alias.c
+++ b/model_alias.c
@@ -3037,11 +3037,6 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                Con_Printf("%s has no geometry\n", loadmodel->name);
                return;
        }
-       if (header->num_frames < 1 || header->num_anims < 1)
-       {
-               Con_Printf("%s has no animations\n", loadmodel->name);
-               return;
-       }
 
        if (pbase + header->ofs_text + header->num_text > pend ||
                pbase + header->ofs_meshes + header->num_meshes*sizeof(iqmmesh_t) > pend ||
@@ -3134,9 +3129,9 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        if (loadmodel->numskins < 1)
                loadmodel->numskins = 1;
 
-       loadmodel->numframes = header->num_anims;
+       loadmodel->numframes = max(header->num_anims, 1);
        loadmodel->num_bones = header->num_joints;
-       loadmodel->num_poses = header->num_frames;
+       loadmodel->num_poses = max(header->num_frames, 1);
        loadmodel->nummodelsurfaces = loadmodel->num_surfaces = header->num_meshes;
        loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
        loadmodel->num_texturesperskin = loadmodel->num_surfaces;
@@ -3261,7 +3256,15 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                loadmodel->animscenes[i].loop = ((anim[i].flags & IQM_LOOP) != 0);
                loadmodel->animscenes[i].framerate = anim[i].framerate;
        }
-       
+       if (header->num_anims <= 0)
+       {
+               strlcpy(loadmodel->animscenes[0].name, "static", sizeof(loadmodel->animscenes[0].name));
+               loadmodel->animscenes[0].firstframe = 0;
+               loadmodel->animscenes[0].framecount = 1;
+               loadmodel->animscenes[0].loop = true;
+               loadmodel->animscenes[0].framerate = 10;
+       }
+
        biggestorigin = 0;
        if (header->version == 1)
        {
@@ -3283,6 +3286,16 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                        f = fabs(pose1[i].channeloffset[1] + 0xFFFF*pose1[i].channelscale[1]); biggestorigin = max(biggestorigin, f);
                        f = fabs(pose1[i].channeloffset[2] + 0xFFFF*pose1[i].channelscale[2]); biggestorigin = max(biggestorigin, f);
                }
+               if (header->num_frames <= 0)
+               {
+                       for (i = 0;i < loadmodel->num_bones;i++)
+                       {
+                               float f;
+                               f = fabs(joint1[i].origin[0]); biggestorigin = max(biggestorigin, f);
+                               f = fabs(joint1[i].origin[1]); biggestorigin = max(biggestorigin, f);
+                               f = fabs(joint1[i].origin[2]); biggestorigin = max(biggestorigin, f);
+                       }
+               }
        }
        else
        {
@@ -3304,6 +3317,16 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                        f = fabs(pose[i].channeloffset[1] + 0xFFFF*pose[i].channelscale[1]); biggestorigin = max(biggestorigin, f);
                        f = fabs(pose[i].channeloffset[2] + 0xFFFF*pose[i].channelscale[2]); biggestorigin = max(biggestorigin, f);
                }
+               if (header->num_frames <= 0)
+               {
+                       for (i = 0;i < loadmodel->num_bones;i++)
+                       {
+                               float f;
+                               f = fabs(joint[i].origin[0]); biggestorigin = max(biggestorigin, f);
+                               f = fabs(joint[i].origin[1]); biggestorigin = max(biggestorigin, f);
+                               f = fabs(joint[i].origin[2]); biggestorigin = max(biggestorigin, f);
+                       }
+               }
        }
        loadmodel->num_posescale = biggestorigin / 32767.0f;
        loadmodel->num_poseinvscale = 1.0f / loadmodel->num_posescale;
@@ -3328,6 +3351,18 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                                if(pose1[j].channelmask&256) framedata++;
                        }
                }
+               if (header->num_frames <= 0)
+               {
+                       for (i = 0;i < loadmodel->num_bones;i++)
+                       {
+                               loadmodel->data_poses6s[i*6 + 0] = loadmodel->num_poseinvscale * joint1[i].origin[0];
+                               loadmodel->data_poses6s[i*6 + 1] = loadmodel->num_poseinvscale * joint1[i].origin[1];
+                               loadmodel->data_poses6s[i*6 + 2] = loadmodel->num_poseinvscale * joint1[i].origin[2];
+                               loadmodel->data_poses6s[i*6 + 3] = 32767.0f * joint1[i].rotation[0];
+                               loadmodel->data_poses6s[i*6 + 4] = 32767.0f * joint1[i].rotation[1];
+                               loadmodel->data_poses6s[i*6 + 5] = 32767.0f * joint1[i].rotation[2];
+                       }
+               }
        }
        else
        {
@@ -3355,6 +3390,18 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                                if(pose[j].channelmask&512) framedata++;
                        }
                }
+               if (header->num_frames <= 0)
+               {
+                       for (i = 0;i < loadmodel->num_bones;i++)
+                       {
+                               loadmodel->data_poses6s[i*6 + 0] = loadmodel->num_poseinvscale * joint[i].origin[0];
+                               loadmodel->data_poses6s[i*6 + 1] = loadmodel->num_poseinvscale * joint[i].origin[1];
+                               loadmodel->data_poses6s[i*6 + 2] = loadmodel->num_poseinvscale * joint[i].origin[2];
+                               loadmodel->data_poses6s[i*6 + 3] = 32767.0f * joint[i].rotation[0];
+                               loadmodel->data_poses6s[i*6 + 4] = 32767.0f * joint[i].rotation[1];
+                               loadmodel->data_poses6s[i*6 + 5] = 32767.0f * joint[i].rotation[2];
+                       }
+               }
        }
 
        // load bounding box data