develop
Quietust
commit
c69ae2fc4a
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// TODO: which of these includes are actually needed?
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#include "Core.h"
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#include <Console.h>
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#include <Export.h>
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#include <PluginManager.h>
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#include <MiscUtils.h>
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#include <modules/Screen.h>
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#include <modules/Translation.h>
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#include <modules/Units.h>
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#include <vector>
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#include <string>
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#include <set>
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#include <algorithm>
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#include <arpa/inet.h>
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#include <tinythread.h>
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#include <PassiveSocket.h>
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#include "df/graphic.h"
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#include "df/enabler.h"
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#include "df/viewscreen_unitlistst.h"
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#include "df/interface_key.h"
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#include "df/unit.h"
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#include "df/unit_soul.h"
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#include "df/unit_skill.h"
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#include "df/creature_graphics_role.h"
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#include "df/creature_raw.h"
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#include "df/caste_raw.h"
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using namespace DFHack;
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using namespace df::enums;
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using df::global::gps;
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using df::global::enabler;
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//--- SNIP class definition from g_src ----------------------------------------
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enum zoom_commands { zoom_in, zoom_out, zoom_reset, zoom_fullscreen, zoom_resetgrid };
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class renderer {
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void cleanup_arrays();
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protected:
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friend class renderer_decorator;
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unsigned char *screen;
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long *screentexpos;
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char *screentexpos_addcolor;
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unsigned char *screentexpos_grayscale;
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unsigned char *screentexpos_cf;
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unsigned char *screentexpos_cbr;
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// For partial printing:
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unsigned char *screen_old;
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long *screentexpos_old;
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char *screentexpos_addcolor_old;
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unsigned char *screentexpos_grayscale_old;
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unsigned char *screentexpos_cf_old;
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unsigned char *screentexpos_cbr_old;
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//void gps_allocate(int x, int y);
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//Either<texture_fullid,texture_ttfid> screen_to_texid(int x, int y);
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public:
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//void display();
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virtual void update_tile(int x, int y) = 0;
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virtual void update_all() = 0;
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virtual void render() = 0;
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virtual void set_fullscreen(); // Should read from enabler.is_fullscreen()
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virtual void zoom(zoom_commands cmd);
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virtual void resize(int w, int h) = 0;
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virtual void grid_resize(int w, int h) = 0;
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//void swap_arrays();
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renderer() {
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screen = NULL;
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screentexpos = NULL;
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screentexpos_addcolor = NULL;
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screentexpos_grayscale = NULL;
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screentexpos_cf = NULL;
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screentexpos_cbr = NULL;
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screen_old = NULL;
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screentexpos_old = NULL;
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screentexpos_addcolor_old = NULL;
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screentexpos_grayscale_old = NULL;
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screentexpos_cf_old = NULL;
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screentexpos_cbr_old = NULL;
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}
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virtual ~renderer();
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virtual bool get_mouse_coords(int &x, int &y) = 0;
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virtual bool uses_opengl();
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};
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//---- END class definition from g_src ----------------------------------------
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// The error messages are taken from the clsocket source code
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const char * translate_socket_error(CSimpleSocket::CSocketError err) {
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switch (err) {
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case CSimpleSocket::SocketError:
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return "Generic socket error translates to error below.";
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case CSimpleSocket::SocketSuccess:
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return "No socket error.";
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case CSimpleSocket::SocketInvalidSocket:
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return "Invalid socket handle.";
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case CSimpleSocket::SocketInvalidAddress:
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return "Invalid destination address specified.";
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case CSimpleSocket::SocketInvalidPort:
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return "Invalid destination port specified.";
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case CSimpleSocket::SocketConnectionRefused:
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return "No server is listening at remote address.";
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case CSimpleSocket::SocketTimedout:
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return "Timed out while attempting operation.";
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case CSimpleSocket::SocketEwouldblock:
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return "Operation would block if socket were blocking.";
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case CSimpleSocket::SocketNotconnected:
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return "Currently not connected.";
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case CSimpleSocket::SocketEinprogress:
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return "Socket is non-blocking and the connection cannot be completed immediately";
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case CSimpleSocket::SocketInterrupted:
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return "Call was interrupted by a signal that was caught before a valid connection arrived.";
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case CSimpleSocket::SocketConnectionAborted:
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return "The connection has been aborted.";
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case CSimpleSocket::SocketProtocolError:
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return "Invalid protocol for operation.";
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case CSimpleSocket::SocketFirewallError:
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return "Firewall rules forbid connection.";
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case CSimpleSocket::SocketInvalidSocketBuffer:
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return "The receive buffer point outside the process's address space.";
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case CSimpleSocket::SocketConnectionReset:
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return "Connection was forcibly closed by the remote host.";
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case CSimpleSocket::SocketAddressInUse:
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return "Address already in use.";
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case CSimpleSocket::SocketInvalidPointer:
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return "Pointer type supplied as argument is invalid.";
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case CSimpleSocket::SocketEunknown:
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return "Unknown error please report to mark@carrierlabs.com";
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default:
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return "No such CSimpleSocket error";
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}
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}
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// Owns the thread that accepts TCP connections and forwards messages to clients;
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// has a mutex
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class client_pool {
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typedef tthread::mutex mutex;
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mutex clients_lock;
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std::vector<CActiveSocket *> clients;
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// TODO - delete this at some point
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tthread::thread * accepter;
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static void accept_clients(void * client_pool_pointer) {
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client_pool * p = reinterpret_cast<client_pool *>(client_pool_pointer);
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CPassiveSocket socket;
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socket.Initialize();
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if (socket.Listen((const uint8 *)"0.0.0.0", 8008)) {
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std::cout << "Listening on a socket" << std::endl;
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} else {
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std::cout << "Not listening: " << socket.GetSocketError() << std::endl;
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std::cout << translate_socket_error(socket.GetSocketError()) << std::endl;
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}
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while (true) {
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CActiveSocket * client = socket.Accept();
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if (client != 0) {
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lock l(*p);
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p->clients.push_back(client);
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}
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}
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}
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public:
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class lock {
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tthread::lock_guard<mutex> l;
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public:
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lock(client_pool & p)
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: l(p.clients_lock)
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{
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}
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};
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friend class client_pool::lock;
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client_pool() {
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accepter = new tthread::thread(accept_clients, this);
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}
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// MUST have lock
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bool has_clients() {
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return !clients.empty();
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}
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// MUST have lock
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void add_client(CActiveSocket * sock) {
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clients.push_back(sock);
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}
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// MUST have lock
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void broadcast(const std::string & message) {
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unsigned int sz = htonl(message.size());
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for (size_t i = 0; i < clients.size(); ++i) {
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clients[i]->Send(reinterpret_cast<const uint8 *>(&sz), sizeof(sz));
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clients[i]->Send((const uint8 *) message.c_str(), message.size());
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}
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}
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};
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// A decorator (in the design pattern sense) of the DF renderer class.
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// Sends the screen contents to a client_pool.
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class renderer_decorator : public renderer {
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// the renderer we're decorating
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renderer * inner;
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// how many frames have passed since we last sent a frame
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int framesNotPrinted;
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// set to false in the destructor
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bool * alive;
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// clients to which we send the frame
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client_pool clients;
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// The following three methods facilitate copying of state to the inner object
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void set_inner_to_null() {
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inner->screen = NULL;
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inner->screentexpos = NULL;
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inner->screentexpos_addcolor = NULL;
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inner->screentexpos_grayscale = NULL;
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inner->screentexpos_cf = NULL;
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inner->screentexpos_cbr = NULL;
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inner->screen_old = NULL;
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inner->screentexpos_old = NULL;
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inner->screentexpos_addcolor_old = NULL;
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inner->screentexpos_grayscale_old = NULL;
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inner->screentexpos_cf_old = NULL;
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inner->screentexpos_cbr_old = NULL;
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}
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void copy_from_inner() {
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screen = inner->screen;
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screentexpos = inner->screentexpos;
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screentexpos_addcolor = inner->screentexpos_addcolor;
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screentexpos_grayscale = inner->screentexpos_grayscale;
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screentexpos_cf = inner->screentexpos_cf;
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screentexpos_cbr = inner->screentexpos_cbr;
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screen_old = inner->screen_old;
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screentexpos_old = inner->screentexpos_old;
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screentexpos_addcolor_old = inner->screentexpos_addcolor_old;
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screentexpos_grayscale_old = inner->screentexpos_grayscale_old;
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screentexpos_cf_old = inner->screentexpos_cf_old;
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screentexpos_cbr_old = inner->screentexpos_cbr_old;
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}
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void copy_to_inner() {
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inner->screen = screen;
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inner->screentexpos = screentexpos;
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inner->screentexpos_addcolor = screentexpos_addcolor;
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inner->screentexpos_grayscale = screentexpos_grayscale;
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inner->screentexpos_cf = screentexpos_cf;
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inner->screentexpos_cbr = screentexpos_cbr;
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inner->screen_old = screen_old;
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inner->screentexpos_old = screentexpos_old;
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inner->screentexpos_addcolor_old = screentexpos_addcolor_old;
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inner->screentexpos_grayscale_old = screentexpos_grayscale_old;
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inner->screentexpos_cf_old = screentexpos_cf_old;
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inner->screentexpos_cbr_old = screentexpos_cbr_old;
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}
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public:
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renderer_decorator(renderer * inner, bool * alive)
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: inner(inner)
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, framesNotPrinted(0)
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, alive(alive)
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{
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copy_from_inner();
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}
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virtual void update_tile(int x, int y) {
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copy_to_inner();
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inner->update_tile(x, y);
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}
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virtual void update_all() {
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copy_to_inner();
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inner->update_all();
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}
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virtual void render() {
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copy_to_inner();
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inner->render();
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++framesNotPrinted;
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int gfps = enabler->calculated_gfps;
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if (gfps == 0) gfps = 1;
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// send a frame roughly every 128 mibiseconds (1 second = 1024 mibiseconds)
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if ((framesNotPrinted * 1024) / gfps <= 128) return;
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client_pool::lock lock(clients);
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if (!clients.has_clients()) return;
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framesNotPrinted = 0;
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std::stringstream frame;
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frame << gps->dimx << ' ' << gps->dimy << " 0 0 " << gps->dimx << ' ' << gps->dimy << '\n';
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unsigned char * sc_ = gps->screen;
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for (int y = 0; y < gps->dimy; ++y) {
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unsigned char * sc = sc_;
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for (int x = 0; x < gps->dimx; ++x) {
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unsigned char ch = sc[0];
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unsigned char bold = (sc[3] != 0) * 8;
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unsigned char translate[] =
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{ 0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15 };
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unsigned char fg = translate[(sc[1] + bold) % 16];
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unsigned char bg = translate[sc[2] % 16]*16;
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frame.put(ch);
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frame.put(fg+bg);
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sc += 4*gps->dimy;
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}
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sc_ += 4;
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}
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clients.broadcast(frame.str());
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}
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virtual void set_fullscreen() { inner->set_fullscreen(); }
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virtual void zoom(zoom_commands cmd) {
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copy_to_inner();
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inner->zoom(cmd);
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}
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virtual void resize(int w, int h) {
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copy_to_inner();
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inner->resize(w, h);
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copy_from_inner();
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}
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virtual void grid_resize(int w, int h) {
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copy_to_inner();
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inner->grid_resize(w, h);
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copy_from_inner();
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}
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virtual ~renderer_decorator() {
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*alive = false;
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if (inner) set_inner_to_null();
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delete inner;
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inner = 0;
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}
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virtual bool get_mouse_coords(int &x, int &y) { return inner->get_mouse_coords(x, y); }
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virtual bool uses_opengl() { return inner->uses_opengl(); }
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static renderer_decorator * hook(renderer *& ptr, bool * alive) {
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renderer_decorator * r = new renderer_decorator(ptr, alive);
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ptr = r;
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return r;
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}
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static void unhook(renderer *& ptr, renderer_decorator * dec, color_ostream & out) {
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dec->copy_to_inner();
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ptr = dec->inner;
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dec->inner = 0;
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delete dec;
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}
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};
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DFHACK_PLUGIN("dfstream");
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inline renderer *& active_renderer() {
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return reinterpret_cast<renderer *&>(enabler->renderer);
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}
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// This class is a smart pointer around a renderer_decorator.
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// It should only be assigned r_d pointers that use the alive-pointer of this
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// instance.
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// If the r_d has been deleted by an external force, this smart pointer doesn't
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// redelete it.
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class auto_renderer_decorator {
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renderer_decorator * p;
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public:
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// pass this member to the ctor of renderer_decorator
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bool alive;
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auto_renderer_decorator()
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: p(0)
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{
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}
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~auto_renderer_decorator() {
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reset();
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}
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void reset() {
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if (*this) {
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delete p;
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p = 0;
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}
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}
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operator bool() {
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return (p != 0) && alive;
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}
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auto_renderer_decorator & operator=(renderer_decorator *p) {
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reset();
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this->p = p;
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}
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renderer_decorator * get() {
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return p;
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}
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renderer_decorator * operator->() {
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return get();
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}
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};
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auto_renderer_decorator decorator;
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DFhackCExport command_result plugin_init ( color_ostream &out, vector <PluginCommand> &commands)
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{
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if (!decorator) {
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decorator = renderer_decorator::hook(active_renderer(), &decorator.alive);
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}
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return CR_OK;
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}
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DFhackCExport command_result plugin_shutdown ( color_ostream &out )
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{
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decorator.reset();
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return CR_OK;
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}
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// vim:set sw=4 sts=4 et:
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Loading…
Reference in New Issue