+++ /dev/null
-/*
-Copyright (C) 1996-1997 Id Software, Inc.
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-*/
-// r_efrag.c
-
-#include "quakedef.h"
-
-mnode_t *r_pefragtopnode;
-
-
-//===========================================================================
-
-/*
-===============================================================================
-
- ENTITY FRAGMENT FUNCTIONS
-
-===============================================================================
-*/
-
-efrag_t **lastlink;
-
-vec3_t r_emins, r_emaxs;
-
-entity_t *r_addent;
-
-
-/*
-================
-R_RemoveEfrags
-
-Call when removing an object from the world or moving it to another position
-================
-*/
-void R_RemoveEfrags (entity_t *ent)
-{
- efrag_t *ef, *old, *walk, **prev;
-
- ef = ent->render.efrag;
-
- while (ef)
- {
- prev = &ef->leaf->efrags;
- while (1)
- {
- walk = *prev;
- if (!walk)
- break;
- if (walk == ef)
- { // remove this fragment
- *prev = ef->leafnext;
- break;
- }
- else
- prev = &walk->leafnext;
- }
-
- old = ef;
- ef = ef->entnext;
-
- // put it on the free list
- old->entnext = cl.free_efrags;
- cl.free_efrags = old;
- }
-
- ent->render.efrag = NULL;
-}
-
-/*
-===================
-R_SplitEntityOnNode
-===================
-*/
-void R_SplitEntityOnNode (mnode_t *node)
-{
- efrag_t *ef;
- mplane_t *splitplane;
- mleaf_t *leaf;
- int sides;
-
-loc0:
- if (node->contents == CONTENTS_SOLID)
- {
- return;
- }
-
-// add an efrag if the node is a leaf
-
- if ( node->contents < 0)
- {
- if (!r_pefragtopnode)
- r_pefragtopnode = node;
-
- leaf = (mleaf_t *)node;
-
-// grab an efrag off the free list
- ef = cl.free_efrags;
- if (!ef)
- {
- Con_Printf ("Too many efrags!\n");
- return; // no free fragments...
- }
- cl.free_efrags = cl.free_efrags->entnext;
-
- ef->entity = r_addent;
-
-// add the entity link
- *lastlink = ef;
- lastlink = &ef->entnext;
- ef->entnext = NULL;
-
-// set the leaf links
- ef->leaf = leaf;
- ef->leafnext = leaf->efrags;
- leaf->efrags = ef;
-
- return;
- }
-
-// NODE_MIXED
-
- splitplane = node->plane;
- sides = BOX_ON_PLANE_SIDE(r_emins, r_emaxs, splitplane);
-
- if (sides == 3)
- {
- // split on this plane
- // if this is the first splitter of this bmodel, remember it
- if (!r_pefragtopnode)
- r_pefragtopnode = node;
- }
-
-// recurse down the contacted sides
- // LordHavoc: optimized recursion
-// if (sides & 1) R_SplitEntityOnNode (node->children[0]);
-// if (sides & 2) R_SplitEntityOnNode (node->children[1]);
- if (sides & 1)
- {
- if (sides & 2) // 3
- {
- R_SplitEntityOnNode (node->children[0]);
- node = node->children[1];
- goto loc0;
- }
- else // 1
- {
- node = node->children[0];
- goto loc0;
- }
- }
- // 2
- node = node->children[1];
- goto loc0;
-}
-
-
-
-/*
-===========
-R_AddEfrags
-===========
-*/
-void R_AddEfrags (entity_t *ent)
-{
- model_t *entmodel;
- int i;
-
- if (!ent->render.model)
- return;
-
- r_addent = ent;
-
- lastlink = &ent->render.efrag;
- r_pefragtopnode = NULL;
-
- entmodel = ent->render.model;
-
- for (i=0 ; i<3 ; i++)
- {
- r_emins[i] = ent->render.origin[i] + entmodel->mins[i];
- r_emaxs[i] = ent->render.origin[i] + entmodel->maxs[i];
- }
-
- R_SplitEntityOnNode (cl.worldmodel->nodes);
-
- ent->render.topnode = r_pefragtopnode;
-}
-
-
-/*
-================
-R_StoreEfrags
-
-// FIXME: a lot of this goes away with edge-based
-================
-*/
-void R_StoreEfrags (efrag_t **ppefrag)
-{
- entity_t *pent;
- model_t *clmodel;
- efrag_t *pefrag;
-
-
- while ((pefrag = *ppefrag) != NULL)
- {
- pent = pefrag->entity;
- clmodel = pent->render.model;
-
- switch (clmodel->type)
- {
- case mod_alias:
- case mod_brush:
- case mod_sprite:
- pent = pefrag->entity;
-
- if ((pent->render.visframe != r_framecount) && (cl_numvisedicts < MAX_VISEDICTS))
- {
- cl_visedicts[cl_numvisedicts++] = pent;
- pent->render.visframe = r_framecount; // render each entity only once per frame
- }
-
- ppefrag = &pefrag->leafnext;
- break;
-
- default:
- Host_Error ("R_StoreEfrags: Bad entity type %d\n", clmodel->type);
- }
- }
-}
-
-
projects / xonotic / darkplaces.git / blobdiff