/////////////////////////////////////////
// DP_MD3_TAGINFO extension coded by VorteX
-//float(entity ent, string tagname) gettagindex;
-void PF_gettagindex (void)
+int SV_GetTagIndex (edict_t *e, char *tagname)
{
- edict_t *e = G_EDICT(OFS_PARM0);
- const char *tagname = G_STRING(OFS_PARM1);
- int modelindex, tagindex, i;
+ int tagindex, i;
model_t *model;
- if (e == sv.edicts)
- PF_WARNING("gettagindex: can't affect world entity\n");
- if (e->e->free)
- PF_WARNING("gettagindex: can't affect free entity\n");
-
- modelindex = (int)e->v->modelindex;
- if (modelindex <= 0 || modelindex > MAX_MODELS)
- {
- Con_DPrintf("gettagindex(entity #%i): null or non-precached model\n", NUM_FOR_EDICT(e));
- return;
- }
- model = sv.models[modelindex];
+ model = sv.models[(int)e->v->modelindex];
tagindex = -1;
if (model->data_overridetagnamesforskin && (unsigned int)e->v->skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)e->v->skin].num_overridetagnames)
}
}
}
- if (tagindex == -1)
- Con_DPrintf("gettagindex(entity #%i): tag \"%s\" not found\n", NUM_FOR_EDICT(e), tagname);
- G_FLOAT(OFS_RETURN) = tagindex + 1;
+ return tagindex + 1;
};
// Warnings/errors code:
// 2 - free entity
// 3 - null or non-precached model
// 4 - no tags with requested index
+// 5 - runaway loop at attachment chain
+extern cvar_t cl_bob;
+extern cvar_t cl_bobcycle;
+extern cvar_t cl_bobup;
int SV_GetTagMatrix (matrix4x4_t *out, edict_t *ent, int tagindex)
{
eval_t *val;
- float scale;
- int modelindex, tagsnum, reqframe;
- matrix4x4_t entitymatrix, tagmatrix;
+ int modelindex, reqtag, reqframe, attachloop;
+ matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
+ edict_t *attachent;
model_t *model;
Matrix4x4_CreateIdentity(out); // warnings and errors return identical matrix
return 3;
model = sv.models[modelindex];
- tagsnum = model->alias.aliasnum_tags;
+ reqtag = model->alias.aliasnum_tags;
- if (tagindex <= 0 || tagindex > tagsnum)
+ if (tagindex <= 0 || tagindex > reqtag)
{
- if (tagsnum && tagindex) // Only appear if model has no tags or not-null tag requested
+ if (reqtag && tagindex) // Only appear if model has no tags or not-null tag requested
return 4;
return 0;
}
if (ent->v->frame < 0 || ent->v->frame > model->alias.aliasnum_tagframes)
- reqframe = 0; // if model has wrong frame, engine automatically switches to model first frame
+ reqframe = model->numframes - 1; // if model has wrong frame, engine automatically switches to model last frame
else
reqframe = ent->v->frame;
- // just reusing a temp
- modelindex = (tagindex - 1) + ent->v->frame*tagsnum;
+ // get initial tag matrix
+ if (tagindex)
+ {
+ reqtag = (tagindex - 1) + ent->v->frame*model->alias.aliasnum_tags;
+ Matrix4x4_Copy(&tagmatrix, &model->alias.aliasdata_tags[reqtag].matrix);
+ }
+ else
+ Matrix4x4_CreateIdentity(&tagmatrix);
+
+ if ((val = GETEDICTFIELDVALUE(ent, eval_tag_entity)) && val->edict)
+ { // DP_GFX_QUAKE3MODELTAGS, scan all chain and stop on unattached entity
+ attachloop = 0;
+ do
+ {
+ attachent = EDICT_NUM(val->edict); // to this it entity our entity is attached
+ val = GETEDICTFIELDVALUE(ent, eval_tag_index);
+ if (val->_float)
+ {// got tagname on parent entity attachment tag via tag_index (and got it's matrix)
+ model = sv.models[(int)attachent->v->modelindex];
+ reqtag = (val->_float - 1) + attachent->v->frame*model->alias.aliasnum_tags;
+ Matrix4x4_Copy(&attachmatrix, &model->alias.aliasdata_tags[reqtag].matrix);
+ }
+ else
+ Matrix4x4_CreateIdentity(&attachmatrix);
+
+ // apply transformation by child entity matrix
+ val = GETEDICTFIELDVALUE(ent, eval_scale);
+ if (val->_float == 0)
+ val->_float = 1;
+ Matrix4x4_CreateFromQuakeEntity(&entitymatrix, ent->v->origin[0], ent->v->origin[1], ent->v->origin[2], -ent->v->angles[0], ent->v->angles[1], ent->v->angles[2], val->_float);
+ Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
+ out->m[0][3] = entitymatrix.m[0][3] + val->_float*(entitymatrix.m[0][0]*tagmatrix.m[0][3] + entitymatrix.m[0][1]*tagmatrix.m[1][3] + entitymatrix.m[0][2]*tagmatrix.m[2][3]);
+ out->m[1][3] = entitymatrix.m[1][3] + val->_float*(entitymatrix.m[1][0]*tagmatrix.m[0][3] + entitymatrix.m[1][1]*tagmatrix.m[1][3] + entitymatrix.m[1][2]*tagmatrix.m[2][3]);
+ out->m[2][3] = entitymatrix.m[2][3] + val->_float*(entitymatrix.m[2][0]*tagmatrix.m[0][3] + entitymatrix.m[2][1]*tagmatrix.m[1][3] + entitymatrix.m[2][2]*tagmatrix.m[2][3]);
+ Matrix4x4_Copy(&tagmatrix, out);
+
+ // finally transformate by matrix of tag on parent entity
+ Matrix4x4_Concat(out, &attachmatrix, &tagmatrix);
+ out->m[0][3] = attachmatrix.m[0][3] + attachmatrix.m[0][0]*tagmatrix.m[0][3] + attachmatrix.m[0][1]*tagmatrix.m[1][3] + attachmatrix.m[0][2]*tagmatrix.m[2][3];
+ out->m[1][3] = attachmatrix.m[1][3] + attachmatrix.m[1][0]*tagmatrix.m[0][3] + attachmatrix.m[1][1]*tagmatrix.m[1][3] + attachmatrix.m[1][2]*tagmatrix.m[2][3];
+ out->m[2][3] = attachmatrix.m[2][3] + attachmatrix.m[2][0]*tagmatrix.m[0][3] + attachmatrix.m[2][1]*tagmatrix.m[1][3] + attachmatrix.m[2][2]*tagmatrix.m[2][3];
+ Matrix4x4_Copy(&tagmatrix, out);
+
+ ent = attachent;
+ attachloop += 1;
+ if (attachloop > 255) // prevent runaway looping
+ return 5;
+ }
+ while ((val = GETEDICTFIELDVALUE(ent, eval_tag_entity)) && val->edict);
+ }
- // transform tag by its own entity matrix
- Matrix4x4_Copy(&tagmatrix, &model->alias.aliasdata_tags[modelindex].matrix);
- // FIXME: add scale parameter
- scale = 1;
+ // normal or RENDER_VIEWMODEL entity (or main parent entity on attach chain)
+ val = GETEDICTFIELDVALUE(ent, eval_scale);
+ if (val->_float == 0)
+ val->_float = 1;
// Alias models have inverse pitch, bmodels can't have tags, so don't check for modeltype...
- Matrix4x4_CreateFromQuakeEntity(&entitymatrix, ent->v->origin[0], ent->v->origin[1], ent->v->origin[2], -ent->v->angles[0], ent->v->angles[1], ent->v->angles[2], scale);
+ Matrix4x4_CreateFromQuakeEntity(&entitymatrix, ent->v->origin[0], ent->v->origin[1], ent->v->origin[2], -ent->v->angles[0], ent->v->angles[1], ent->v->angles[2], val->_float);
Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
- // True origin for rotation (Matrix4x4_Concat creates wrong), this is done using all rotation matrix
- out->m[0][3] = entitymatrix.m[0][3] + entitymatrix.m[0][0]*tagmatrix.m[0][3] + entitymatrix.m[0][1]*tagmatrix.m[1][3] + entitymatrix.m[0][2]*tagmatrix.m[2][3];
- out->m[1][3] = entitymatrix.m[1][3] + entitymatrix.m[1][0]*tagmatrix.m[0][3] + entitymatrix.m[1][1]*tagmatrix.m[1][3] + entitymatrix.m[1][2]*tagmatrix.m[2][3];
- out->m[2][3] = entitymatrix.m[2][3] + entitymatrix.m[2][0]*tagmatrix.m[0][3] + entitymatrix.m[2][1]*tagmatrix.m[1][3] + entitymatrix.m[2][2]*tagmatrix.m[2][3];
+ out->m[0][3] = entitymatrix.m[0][3] + val->_float*(entitymatrix.m[0][0]*tagmatrix.m[0][3] + entitymatrix.m[0][1]*tagmatrix.m[1][3] + entitymatrix.m[0][2]*tagmatrix.m[2][3]);
+ out->m[1][3] = entitymatrix.m[1][3] + val->_float*(entitymatrix.m[1][0]*tagmatrix.m[0][3] + entitymatrix.m[1][1]*tagmatrix.m[1][3] + entitymatrix.m[1][2]*tagmatrix.m[2][3]);
+ out->m[2][3] = entitymatrix.m[2][3] + val->_float*(entitymatrix.m[2][0]*tagmatrix.m[0][3] + entitymatrix.m[2][1]*tagmatrix.m[1][3] + entitymatrix.m[2][2]*tagmatrix.m[2][3]);
- // additional actions for render-view entities
if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
- {// RENDER_VIEWMODEL
+ {// RENDER_VIEWMODEL magic
Matrix4x4_Copy(&tagmatrix, out);
ent = EDICT_NUM(val->edict);
- // FIXME: add bobbing (cl_bob), add scale parameter
- scale = 1;
- Matrix4x4_CreateFromQuakeEntity(&entitymatrix, ent->v->origin[0], ent->v->origin[1], ent->v->origin[2] + ent->v->view_ofs[2], ent->v->v_angle[0], ent->v->v_angle[1], ent->v->v_angle[2], scale);
+
+ val = GETEDICTFIELDVALUE(ent, eval_scale);
+ if (val->_float == 0)
+ val->_float = 1;
+
+ Matrix4x4_CreateFromQuakeEntity(&entitymatrix, ent->v->origin[0], ent->v->origin[1], ent->v->origin[2] + ent->v->view_ofs[2], ent->v->v_angle[0], ent->v->v_angle[1], ent->v->v_angle[2], val->_float);
Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
- out->m[0][3] = entitymatrix.m[0][3] + entitymatrix.m[0][0]*tagmatrix.m[0][3] + entitymatrix.m[0][1]*tagmatrix.m[1][3] + entitymatrix.m[0][2]*tagmatrix.m[2][3];
- out->m[1][3] = entitymatrix.m[1][3] + entitymatrix.m[1][0]*tagmatrix.m[0][3] + entitymatrix.m[1][1]*tagmatrix.m[1][3] + entitymatrix.m[1][2]*tagmatrix.m[2][3];
- out->m[2][3] = entitymatrix.m[2][3] + entitymatrix.m[2][0]*tagmatrix.m[0][3] + entitymatrix.m[2][1]*tagmatrix.m[1][3] + entitymatrix.m[2][2]*tagmatrix.m[2][3];
- Con_DPrintf("SV_GetTagMatrix: returned origin is %f %f %f\n", out->m[0][3], out->m[1][3], out->m[2][3]);
- return 0;
- }
- // RENDER_VIEWMODEL can't be attached by tag, right?
- val = GETEDICTFIELDVALUE(ent, eval_tag_entity);
- if (val->edict)
- {// DP_GFX_QUAKE3MODELTAGS
- do
+ out->m[0][3] = entitymatrix.m[0][3] + val->_float*(entitymatrix.m[0][0]*tagmatrix.m[0][3] + entitymatrix.m[0][1]*tagmatrix.m[1][3] + entitymatrix.m[0][2]*tagmatrix.m[2][3]);
+ out->m[1][3] = entitymatrix.m[1][3] + val->_float*(entitymatrix.m[1][0]*tagmatrix.m[0][3] + entitymatrix.m[1][1]*tagmatrix.m[1][3] + entitymatrix.m[1][2]*tagmatrix.m[2][3]);
+ out->m[2][3] = entitymatrix.m[2][3] + val->_float*(entitymatrix.m[2][0]*tagmatrix.m[0][3] + entitymatrix.m[2][1]*tagmatrix.m[1][3] + entitymatrix.m[2][2]*tagmatrix.m[2][3]);
+
+ /*
+ // Cl_bob, ported from rendering code
+ if (ent->v->health > 0 && cl_bob.value && cl_bobcycle.value)
{
- ent = EDICT_NUM(val->edict);
- // FIXME: add scale parameter
- Matrix4x4_CreateFromQuakeEntity(&entitymatrix, ent->v->origin[0], ent->v->origin[1], ent->v->origin[2], -ent->v->angles[0], ent->v->angles[1], ent->v->angles[2], scale);
- Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
- // True origin for rotation (Matrix4x4_Concat creates wrong), this is done using all rotation matrix
- out->m[0][3] = entitymatrix.m[0][3] + entitymatrix.m[0][0]*tagmatrix.m[0][3] + entitymatrix.m[0][1]*tagmatrix.m[1][3] + entitymatrix.m[0][2]*tagmatrix.m[2][3];
- out->m[1][3] = entitymatrix.m[1][3] + entitymatrix.m[1][0]*tagmatrix.m[0][3] + entitymatrix.m[1][1]*tagmatrix.m[1][3] + entitymatrix.m[1][2]*tagmatrix.m[2][3];
- out->m[2][3] = entitymatrix.m[2][3] + entitymatrix.m[2][0]*tagmatrix.m[0][3] + entitymatrix.m[2][1]*tagmatrix.m[1][3] + entitymatrix.m[2][2]*tagmatrix.m[2][3];
-
+ double bob, cycle;
+ // LordHavoc: this code is *weird*, but not replacable (I think it
+ // should be done in QC on the server, but oh well, quake is quake)
+ // LordHavoc: figured out bobup: the time at which the sin is at 180
+ // degrees (which allows lengthening or squishing the peak or valley)
+ cycle = sv.time/cl_bobcycle.value;
+ cycle -= (int)cycle;
+ if (cycle < cl_bobup.value)
+ cycle = sin(M_PI * cycle / cl_bobup.value);
+ else
+ cycle = sin(M_PI + M_PI * (cycle-cl_bobup.value)/(1.0 - cl_bobup.value));
+ // bob is proportional to velocity in the xy plane
+ // (don't count Z, or jumping messes it up)
+ bob = sqrt(ent->v->velocity[0]*ent->v->velocity[0] + ent->v->velocity[1]*ent->v->velocity[1])*cl_bob.value;
+ bob = bob*0.3 + bob*0.7*cycle;
+ out->m[2][3] += bound(-7, bob, 4);
}
- while ((val = GETEDICTFIELDVALUE(ent, eval_tag_entity)) && val->edict);
+ */
}
return 0;
}
+//float(entity ent, string tagname) gettagindex;
+
+void PF_gettagindex (void)
+{
+ edict_t *ent = G_EDICT(OFS_PARM0);
+ char *tag_name = G_STRING(OFS_PARM1);
+ int modelindex, tag_index;
+
+ if (ent == sv.edicts)
+ PF_WARNING("gettagindex: can't affect world entity\n");
+ if (ent->e->free)
+ PF_WARNING("gettagindex: can't affect free entity\n");
+
+ modelindex = (int)ent->v->modelindex;
+ tag_index = 0;
+ if (modelindex <= 0 || modelindex > MAX_MODELS)
+ Con_DPrintf("gettagindex(entity #%i): null or non-precached model\n", NUM_FOR_EDICT(ent));
+ else
+ {
+ tag_index = SV_GetTagIndex(ent, tag_name);
+ if (tag_index == 0)
+ Con_DPrintf("gettagindex(entity #%i): tag \"%s\" not found\n", NUM_FOR_EDICT(ent), tag_name);
+ }
+ G_FLOAT(OFS_RETURN) = tag_index;
+};
+
//vector(entity ent, float tagindex) gettaginfo;
void PF_gettaginfo (void)
{
case 4:
Con_DPrintf("SV_GetTagMatrix(entity #%i): model has no tag with requested index %i\n", NUM_FOR_EDICT(e), tagindex);
break;
+ case 5:
+ Con_DPrintf("SV_GetTagMatrix(entity #%i): runaway loop at attachment chain\n", NUM_FOR_EDICT(e));
+ break;
}
}