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// SPDX-License-Identifier: GPL-2.0-or-later
/* SPDX-FileCopyrightText: 2004-2015 Simon Wunderlich <sw@simonwunderlich.de>
*/
#include "global.h"
#include "proto.h" /* for S3D_P_OBJECT, to be integrated in proto.c */
#ifdef WIN32
#include <winsock2.h>
#else
#include <netinet/in.h> /* htonl() */
#endif
#include <string.h> /* strncpy() */
/* this interacts with the actual mcp client */
struct mcp_object {
uint32_t object;
float trans_x, trans_y, trans_z;
float r;
/* char event; */
char name[S3D_NAME_MAX];
};
#define MCP_NEW_OBJECT 1
/* call when a new mcp connects */
int mcp_init(void)
{
struct t_process *p;
uint32_t i;
p = get_proc_by_pid(MCP);
i = p->n_obj;
while (i--) {
if (p->object[i] != NULL)
switch (p->object[i]->oflags & OF_TYPE) {
case OF_VIRTUAL:
mcp_rep_object(i);
break;
case OF_CAM:
event_obj_info(p, i);
break;
}
}
mcp_focus(-1);
return 0;
}
/* report the mcp about our object */
int mcp_rep_object(int32_t mcp_oid)
{
struct mcp_object mo;
struct t_process *p, *ap;
p = get_proc_by_pid(MCP);
mo.object = htonl(mcp_oid);
mo.trans_x = p->object[mcp_oid]->translate.x;
mo.trans_y = p->object[mcp_oid]->translate.y;
mo.trans_z = p->object[mcp_oid]->translate.z;
mo.r = p->object[mcp_oid]->r;
htonfb(&mo.trans_x, 4);
ap = get_proc_by_pid(p->object[mcp_oid]->virtual_pid);
strncpy(mo.name, ap->name, sizeof(mo.name));
mo.name[sizeof(mo.name) - 1] = '\0';
prot_com_out(p, S3D_P_MCP_OBJECT, (uint8_t *) & mo, sizeof(struct mcp_object));
return 0;
}
/* tells the mcp that some program vanished ... */
int mcp_del_object(int32_t mcp_oid)
{
int32_t oid = htonl(mcp_oid);
if (mcp_oid == focus_oid) {
s3dprintf(MED, "lost the focus of mcp-oid %d", mcp_oid);
mcp_focus(-1);
}
prot_com_out(get_proc_by_pid(MCP), S3D_P_MCP_DEL_OBJECT, (uint8_t *) & oid, 4);
return 0;
}
/* sets a new focus */
int mcp_focus(int oid)
{
struct t_process *p;
struct t_obj *o;
focus_oid = -1;
p = get_proc_by_pid(MCP);
s3dprintf(MED, "request to focus %d", oid);
if (OBJ_VALID(p, oid, o))
if (o->oflags & OF_VIRTUAL) {
focus_oid = oid;
obj_pos_update(p, 0, 0);
}
return 0;
}
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