support for version 2 of iqm

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11173 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=e72b9d40a0b0bb4f55e3c280d6c2b9b412399ee1

diff --git a/model_alias.c b/model_alias.c
index 98b0673f7806d382f7d31d85aec07f3d5dbe5a97..c8c2da5734f8889851c466e4ca13259ef2b6a3a2 100644 (file)
--- a/model_alias.c
+++ b/model_alias.c
@@ -2973,7 +2973,7 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        header = (iqmheader_t *)buffer;
        if (memcmp(header->id, "INTERQUAKEMODEL", 16))
                Host_Error ("Mod_INTERQUAKEMODEL_Load: %s is not an Inter-Quake Model", loadmodel->name);
-       if (LittleLong(header->version) != 1)
+       if (LittleLong(header->version) != 2)
                Host_Error ("Mod_INTERQUAKEMODEL_Load: only version 1 models are currently supported (name = %s)", loadmodel->name);
 
        loadmodel->modeldatatypestring = "IQM";
@@ -3216,6 +3216,7 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                pose[i].channeloffset[6] = LittleFloat(pose[i].channeloffset[6]);
                pose[i].channeloffset[7] = LittleFloat(pose[i].channeloffset[7]);
                pose[i].channeloffset[8] = LittleFloat(pose[i].channeloffset[8]);
+               pose[i].channeloffset[9] = LittleFloat(pose[i].channeloffset[9]);
                pose[i].channelscale[0] = LittleFloat(pose[i].channelscale[0]);
                pose[i].channelscale[1] = LittleFloat(pose[i].channelscale[1]);
                pose[i].channelscale[2] = LittleFloat(pose[i].channelscale[2]);
@@ -3225,6 +3226,7 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                pose[i].channelscale[6] = LittleFloat(pose[i].channelscale[6]);
                pose[i].channelscale[7] = LittleFloat(pose[i].channelscale[7]);
                pose[i].channelscale[8] = LittleFloat(pose[i].channelscale[8]);
+               pose[i].channelscale[9] = LittleFloat(pose[i].channelscale[9]);
                f = fabs(pose[i].channeloffset[0]); biggestorigin = max(biggestorigin, f);
                f = fabs(pose[i].channeloffset[1]); biggestorigin = max(biggestorigin, f);
                f = fabs(pose[i].channeloffset[2]); biggestorigin = max(biggestorigin, f);
@@ -3241,16 +3243,24 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        {
                for (j = 0;j < (int)header->num_poses;j++, k++)
                {
+                       float rot[4];
                        loadmodel->data_poses6s[k*6 + 0] = loadmodel->num_poseinvscale * (pose[j].channeloffset[0] + (pose[j].channelmask&1 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[0] : 0));
                        loadmodel->data_poses6s[k*6 + 1] = loadmodel->num_poseinvscale * (pose[j].channeloffset[1] + (pose[j].channelmask&2 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[1] : 0));
                        loadmodel->data_poses6s[k*6 + 2] = loadmodel->num_poseinvscale * (pose[j].channeloffset[2] + (pose[j].channelmask&4 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[2] : 0));
-                       loadmodel->data_poses6s[k*6 + 3] = 32767.0f * (pose[j].channeloffset[3] + (pose[j].channelmask&8 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[3] : 0));
-                       loadmodel->data_poses6s[k*6 + 4] = 32767.0f * (pose[j].channeloffset[4] + (pose[j].channelmask&16 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[4] : 0));
-                       loadmodel->data_poses6s[k*6 + 5] = 32767.0f * (pose[j].channeloffset[5] + (pose[j].channelmask&32 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[5] : 0));
+                       rot[0] = pose[j].channeloffset[3] + (pose[j].channelmask&8 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[3] : 0);
+                       rot[1] = pose[j].channeloffset[4] + (pose[j].channelmask&16 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[4] : 0);
+                       rot[2] = pose[j].channeloffset[5] + (pose[j].channelmask&32 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[5] : 0);
+                       rot[3] = pose[j].channeloffset[6] + (pose[j].channelmask&64 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[6] : 0);
+                       if (rot[3] > 0)
+                               Vector4Negate(rot, rot);
+                       Vector4Normalize2(rot, rot);
+                       loadmodel->data_poses6s[k*6 + 3] = 32767.0f * rot[0];
+                       loadmodel->data_poses6s[k*6 + 4] = 32767.0f * rot[1];
+                       loadmodel->data_poses6s[k*6 + 5] = 32767.0f * rot[2];
                        // skip scale data for now
-                       if(pose[j].channelmask&64) framedata++;
                        if(pose[j].channelmask&128) framedata++;
                        if(pose[j].channelmask&256) framedata++;
+                       if(pose[j].channelmask&512) framedata++;
                }
        }
 

diff --git a/model_iqm.h b/model_iqm.h
index a56829b4a1ddfc24f80a9aa9962fef3f25e87f8c..f32b0ecb2a1c3947948f95817246954704fa54c2 100644 (file)
--- a/model_iqm.h
+++ b/model_iqm.h
@@ -61,7 +61,7 @@ typedef struct iqmjoint_s
 {
        unsigned int name;
        signed int parent;
-       float origin[3], rotation[3], scale[3];
+       float origin[3], rotation[4], scale[3];
 }
 iqmjoint_t;
 
@@ -69,7 +69,7 @@ typedef struct iqmpose_s
 {
        signed int parent;
        unsigned int channelmask;
-       float channeloffset[9], channelscale[9];
+       float channeloffset[10], channelscale[10];
 }
 iqmpose_t;