void map_convert_liquid(map_type *map,portal_type *portal,segment_type *seg)
{
int liq_idx,sz;
map_liquid_type *liquid;
liq_idx=map_liquid_add(map);
if (liq_idx==-1) return;
liquid=&map->liquid.liquids[liq_idx];
liquid->y=(seg->data.liquid.y+1)*map_enlarge;
liquid->lft=(seg->data.liquid.lft*map_enlarge)+portal->x;
liquid->rgt=(seg->data.liquid.rgt*map_enlarge)+portal->x;
liquid->top=(seg->data.liquid.top*map_enlarge)+portal->z;
liquid->bot=(seg->data.liquid.bot*map_enlarge)+portal->z;
liquid->depth=5000;
liquid->alpha=seg->alpha;
liquid->speed_alter=seg->data.liquid.speed_alter;
liquid->tint_alpha=seg->data.liquid.tint_alpha;
liquid->x_txtfact=seg->x_txtfact;
liquid->y_txtfact=seg->y_txtfact;
liquid->x_txtoff=seg->x_txtoff;
liquid->y_txtoff=seg->y_txtoff;
liquid->x_shift=seg->x_shift;
liquid->y_shift=seg->y_shift;
liquid->txt_idx=seg->fill;
liquid->group_idx=seg->group_idx;
memmove(&liquid->col,&seg->data.liquid.col,sizeof(d3col));
liquid->harm.in_harm=seg->data.liquid.harm;
liquid->harm.drown_harm=seg->data.liquid.drown_harm;
liquid->harm.drown_tick=seg->data.liquid.drown_tick;
sz=liquid->rgt-liquid->lft;
if ((liquid->bot-liquid->top)>sz) sz=liquid->bot-liquid->top;
liquid->tide.division=sz/seg->data.liquid.wavesize;
liquid->tide.rate=seg->data.liquid.tiderate;
liquid->tide.high=seg->data.liquid.tidesize;
liquid->tide.direction=seg->data.liquid.tidedirection;
}
void map_undo_pull(void)
{
int n,idx,nmesh,old_nmesh,
nliquid,old_nliquid;
map_undo_type *undo;
map_mesh_type *old_meshes,*org_mesh,*mesh;
map_liquid_type *old_liquids,*org_liq,*liq;
if (map_undo_level==0) return;
undo=&map_undos[0];
// free VBOs
view_vbo_map_free();
// backup old meshes
// and clear mesh list
old_nmesh=map.mesh.nmesh;
old_meshes=map.mesh.meshes;
free(map.mesh.meshes);
map.mesh.nmesh=0;
map.mesh.meshes=NULL;
// restore all meshes
nmesh=undo->mesh.count;
if (nmesh!=0) {
org_mesh=(map_mesh_type*)undo->mesh.data;
for (n=0;n!=nmesh;n++) {
// new mesh
// if it fails, put everything back
// and return
idx=map_mesh_add(&map);
if (idx==-1) {
free(map.mesh.meshes);
map.mesh.nmesh=old_nmesh;
map.mesh.meshes=old_meshes;
return;
}
mesh=&map.mesh.meshes[idx];
// just copy over from backup mesh
// and then null out the pointers
// so close doesn't erase them
if (mesh->vertexes!=NULL) free(mesh->vertexes);
if (mesh->polys!=NULL) free(mesh->polys);
memmove(mesh,org_mesh,sizeof(map_mesh_type));
org_mesh->vertexes=NULL;
org_mesh->polys=NULL;
org_mesh++;
}
}
map.mesh.nmesh=nmesh;
// backup old liquids
// and clear liquid list
old_nliquid=map.liquid.nliquid;
old_liquids=map.liquid.liquids;
free(map.liquid.liquids);
map.liquid.nliquid=0;
map.liquid.liquids=NULL;
// restore all meshes
nliquid=undo->liquid.count;
if (nliquid!=0) {
org_liq=(map_liquid_type*)undo->liquid.data;
for (n=0;n!=nliquid;n++) {
// new liquid
// if it fails, put everything back
// and return
idx=map_liquid_add(&map);
if (idx==-1) {
free(map.liquid.liquids);
map.liquid.nliquid=old_nliquid;
map.liquid.liquids=old_liquids;
return;
}
liq=&map.liquid.liquids[idx];
memmove(liq,org_liq,sizeof(map_liquid_type));
org_liq++;
}
}
map.liquid.nliquid=nliquid;
// restore other chunks
map.nspot=map_undo_pull_chunk(sizeof(spot_type),(unsigned char*)map.spots,&undo->spot);
map.nscenery=map_undo_pull_chunk(sizeof(map_scenery_type),(unsigned char*)map.sceneries,&undo->scenery);
map.nnode=map_undo_pull_chunk(sizeof(node_type),(unsigned char*)map.nodes,&undo->node);
map.nlight=map_undo_pull_chunk(sizeof(map_light_type),(unsigned char*)map.lights,&undo->light);
map.nsound=map_undo_pull_chunk(sizeof(map_sound_type),(unsigned char*)map.sounds,&undo->sound);
map.nparticle=map_undo_pull_chunk(sizeof(map_particle_type),(unsigned char*)map.particles,&undo->particle);
nselect_item=map_undo_pull_chunk(sizeof(select_item_type),(unsigned char*)select_items,&undo->selection);
// clear level
// and move stack up
map_undo_clear_single(&map_undos[0]);
for (n=1;n!=max_map_undo_level;n++) {
undo_copy(&map_undos[n-1],&map_undos[n]);
}
if (max_map_undo_level>1) map_undo_initialize_single(&map_undos[max_map_undo_level-1]);
// move down undo level
map_undo_level--;
if (map_undo_level==0) os_menu_enable_item(map_menu_edit,1,FALSE);
// rebuild VBOs
view_vbo_map_initialize();
// redraw windows
map_palette_reset();
main_wind_draw();
}