int CL_GetTagMatrix (matrix4x4_t *out, prvm_edict_t *ent, int tagindex)
{
prvm_eval_t *val;
- int reqframe, attachloop;
- matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
- prvm_edict_t *attachent;
+ int reqframe;
+ matrix4x4_t entitymatrix, tagmatrix;
dp_model_t *model;
float scale;
else
tagmatrix = identitymatrix;
- if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)) && val->edict)
- { // DP_GFX_QUAKE3MODELTAGS, scan all chain and stop on unattached entity
- attachloop = 0;
- do
- {
- attachent = PRVM_EDICT_NUM(val->edict); // to this it entity our entity is attached
- val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index);
-
- model = CL_GetModelFromEdict(attachent);
-
- if (model && val->_float >= 1 && model->animscenes && attachent->fields.client->frame >= 0 && attachent->fields.client->frame < model->numframes)
- Mod_Alias_GetTagMatrix(model, model->animscenes[(int)attachent->fields.client->frame].firstframe, (int)val->_float - 1, &attachmatrix);
- else
- attachmatrix = identitymatrix;
-
- // apply transformation by child entity matrix
- scale = 1;
- val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale);
- if (val && val->_float != 0)
- scale = val->_float;
- Matrix4x4_CreateFromQuakeEntity(&entitymatrix, ent->fields.client->origin[0], ent->fields.client->origin[1], ent->fields.client->origin[2], -ent->fields.client->angles[0], ent->fields.client->angles[1], ent->fields.client->angles[2], scale);
- Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
- Matrix4x4_Copy(&tagmatrix, out);
-
- // finally transformate by matrix of tag on parent entity
- Matrix4x4_Concat(out, &attachmatrix, &tagmatrix);
- Matrix4x4_Copy(&tagmatrix, out);
-
- ent = attachent;
- attachloop += 1;
- if (attachloop > 255) // prevent runaway looping
- return 5;
- }
- while ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)) && val->edict);
- }
-
// normal or RENDER_VIEWMODEL entity (or main parent entity on attach chain)
scale = 1;
val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale);
if (val && val->_float != 0)
scale = val->_float;
// Alias models have inverse pitch, bmodels can't have tags, so don't check for modeltype...
+ // FIXME: support RF_USEAXIS
Matrix4x4_CreateFromQuakeEntity(&entitymatrix, ent->fields.client->origin[0], ent->fields.client->origin[1], ent->fields.client->origin[2], -ent->fields.client->angles[0], ent->fields.client->angles[1], ent->fields.client->angles[2], scale);
Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
-
- if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderflags)) && (RF_VIEWMODEL & (int)val->_float))
- {// RENDER_VIEWMODEL magic
- Matrix4x4_Copy(&tagmatrix, out);
-
- scale = 1;
- val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale);
- if (val && val->_float != 0)
- scale = val->_float;
-
- Matrix4x4_CreateFromQuakeEntity(&entitymatrix, cl.csqc_origin[0], cl.csqc_origin[1], cl.csqc_origin[2], cl.csqc_angles[0], cl.csqc_angles[1], cl.csqc_angles[2], scale);
- Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
-
- /*
- // Cl_bob, ported from rendering code
- if (ent->fields.client->health > 0 && cl_bob.value && cl_bobcycle.value)
- {
- 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 = cl.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->fields.client->velocity[0]*ent->fields.client->velocity[0] + ent->fields.client->velocity[1]*ent->fields.client->velocity[1])*cl_bob.value;
- bob = bob*0.3 + bob*0.7*cycle;
- Matrix4x4_AdjustOrigin(out, 0, 0, bound(-7, bob, 4));
- }
- */
- }
return 0;
}