Implement exteriormodeltoclient

Quake/cl_main.c

@@ -514,6 +514,10 @@ static qboolean CL_AttachEntity(entity_t *ent, float frac)
 		if (runaway++==10 || tagent >= (unsigned int)cl.num_entities)
 			return false;	//parent isn't valid
 		parent = &cl.entities[tagent];
+
+		if (tagent == cl.viewentity)
+			ent->eflags |= EFLAGS_EXTERIORMODEL;
+
 		if (!parent->model)
 			return false;
 		if (0)//tagent < ent-cl_entities)
@@ -562,6 +566,8 @@ static qboolean CL_AttachEntity(entity_t *ent, float frac)
 		VectorAngles(fwd, up, ent->angles);
 		if (ent->model && ent->model->type == mod_alias)
 			ent->angles[0] *= -1;
+
+		ent->eflags |= parent->netstate.eflags & (EFLAGS_VIEWMODEL|EFLAGS_EXTERIORMODEL);
 	}
 }
 
@@ -632,6 +638,7 @@ void CL_RelinkEntities (void)
 			//	R_RemoveEfrags (ent);	// just became empty
 			continue;
 		}
+		ent->eflags = ent->netstate.eflags;
 
 // if the object wasn't included in the last packet, remove it
 		if (ent->msgtime != cl.mtime[0])

Quake/cl_parse.c

@@ -1946,6 +1946,7 @@ static void CL_ParseStatic (int version) //johnfitz -- added a parameter
 // copy it to the current state
 
 	ent->netstate = ent->baseline;
+	ent->eflags = ent->netstate.eflags; //spike -- annoying and probably not used anyway, but w/e
 
 	ent->trailstate = NULL;
 	ent->emitstate = NULL;

Quake/gl_rmain.c

@@ -643,6 +643,10 @@ void R_DrawEntitiesOnList (qboolean alphapass) //johnfitz -- added parameter
 			currententity->angles[0] *= 0.3;
 		//johnfitz
 
+		//spike -- this would be more efficient elsewhere, but its more correct here.
+		if (currententity->eflags & EFLAGS_EXTERIORMODEL)
+			continue;
+
 		switch (currententity->model->type)
 		{
 			case mod_alias:

Quake/pr_edict.c

@@ -1233,6 +1233,7 @@ qboolean PR_LoadProgs (const char *filename, qboolean fatal, builtin_t *builtins
 	qcvm->extfields.traileffectnum = ED_FindFieldOffset("traileffectnum");
 	qcvm->extfields.emiteffectnum = ED_FindFieldOffset("emiteffectnum");
 	qcvm->extfields.viewmodelforclient = ED_FindFieldOffset("viewmodelforclient");
+	qcvm->extfields.exteriormodeltoclient = ED_FindFieldOffset("exteriormodeltoclient");
 	qcvm->extfields.scale = ED_FindFieldOffset("scale");
 	qcvm->extfields.colormod = ED_FindFieldOffset("colormod");
 	qcvm->extfields.tag_entity = ED_FindFieldOffset("tag_entity");

Quake/pr_ext.c

@@ -6230,6 +6230,7 @@ void PR_DumpPlatform_f(void)
 		fprintf(f, ".float emiteffectnum;		/*can also be set with 'traileffect' from a map editor*/\n");
 		fprintf(f, ".vector movement;			/*describes which forward/right/up keys the player is holidng*/\n");
 		fprintf(f, ".entity viewmodelforclient;	/*attaches this entity to the specified player's view. invisible to other players*/\n");
+		fprintf(f, ".entity exteriormodeltoclient;/*hides the entity in the specified player's main view. it will remain visible in mirrors etc.*/\n");
 		fprintf(f, ".float scale;				/*rescales the etntiy*/\n");
 		fprintf(f, ".float alpha;				/*entity opacity*/\n");		//entity alpha. woot.
 		fprintf(f, ".vector colormod;			/*tints the entity's colours*/\n");

Quake/progs.h

@@ -202,6 +202,7 @@ struct pr_extfields_s
 	int		alpha;				//float
 	int		movement;			//vector
 	int		viewmodelforclient;	//entity
+	int		exteriormodeltoclient;	//entity
 	int		traileffectnum;		//float
 	int		emiteffectnum;		//float
 	int		scale;				//float

Quake/r_alias.c

@@ -673,7 +673,7 @@ void R_SetupAliasLighting (entity_t	*e)
 	float		radiansangle;
 	float		*origin = e->origin;
 
-	if (e->netstate.eflags & EFLAGS_VIEWMODEL)
+	if (e->eflags & EFLAGS_VIEWMODEL)
 		origin = r_refdef.vieworg;
 	R_LightPoint (origin);
 
@@ -770,7 +770,7 @@ void R_DrawAliasModel (entity_t *e)
 	R_SetupAliasFrame (paliashdr, e->frame, &lerpdata);
 	R_SetupEntityTransform (e, &lerpdata);
 
-	if (e->netstate.eflags & EFLAGS_VIEWMODEL)
+	if (e->eflags & EFLAGS_VIEWMODEL)
 	{
 		//transform it relative to the view, by rebuilding the modelview matrix without the view position.
 		glPushMatrix ();
@@ -1052,7 +1052,7 @@ cleanup:
 	if (alphatest)
 		glDisable (GL_ALPHA_TEST);
 	glColor3f(1,1,1);
-	if (e->netstate.eflags & EFLAGS_VIEWMODEL)
+	if (e->eflags & EFLAGS_VIEWMODEL)
 		glDepthRange (0, 1);
 	glPopMatrix ();
 }

Quake/render.h

@@ -79,6 +79,7 @@ typedef struct entity_s
 											//  that splits bmodel, or NULL if
 											//  not split
 
+	byte					eflags;			//spike -- mostly a mirror of netstate, but handles tag inheritance (eww!)
 	byte					alpha;			//johnfitz -- alpha
 	byte					lerpflags;		//johnfitz -- lerping
 	float					lerpstart;		//johnfitz -- animation lerping

Quake/sv_main.c

@@ -1062,9 +1062,9 @@ static void SVFTE_BuildSnapshotForClient (client_t *client)
 		}
 		else if (ent->alpha == ENTALPHA_ZERO && !ent->v.effects)	//don't send invisible entities unless they have effects
 			continue;
-//		val = GetEdictFieldValue(ent, pr_extfields.exteriormodelforclient);
+		val = GetEdictFieldValue(ent, qcvm->extfields.exteriormodeltoclient);
-//		if (val && val->edict == proged)
+		if (val && val->edict == proged)
-//			eflags |= EFLAGS_EXTERIORMODEL;
+			eflags |= EFLAGS_EXTERIORMODEL;
 		//EFLAGS_VIEWMODEL was handled above
 		ents[numents].state.eflags |= eflags;