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qzdoom-gpl/src/g_game.cpp
Christoph Oelckers b613db4ae5 Revert "Merge pull request #359 from Leonard2/master" 
This reverts commit 364ca11b43, reversing
changes made to dae0e217d1.

Conflicts:
	src/r_data/r_interpolate.cpp
2015-09-18 17:41:16 +02:00

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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
// $Log:$
//
// DESCRIPTION: none
//
//-----------------------------------------------------------------------------
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <stddef.h>
#include <time.h>
#ifdef __APPLE__
#include <CoreServices/CoreServices.h>
#endif
#include "templates.h"
#include "version.h"
#include "doomdef.h"
#include "doomstat.h"
#include "d_protocol.h"
#include "d_netinf.h"
#include "intermission/intermission.h"
#include "m_argv.h"
#include "m_misc.h"
#include "menu/menu.h"
#include "m_random.h"
#include "m_crc32.h"
#include "i_system.h"
#include "i_input.h"
#include "p_saveg.h"
#include "p_tick.h"
#include "d_main.h"
#include "wi_stuff.h"
#include "hu_stuff.h"
#include "st_stuff.h"
#include "am_map.h"
#include "c_console.h"
#include "c_cvars.h"
#include "c_bind.h"
#include "c_dispatch.h"
#include "v_video.h"
#include "w_wad.h"
#include "p_local.h"
#include "s_sound.h"
#include "gstrings.h"
#include "r_sky.h"
#include "g_game.h"
#include "g_level.h"
#include "b_bot.h" //Added by MC:
#include "sbar.h"
#include "m_swap.h"
#include "m_png.h"
#include "gi.h"
#include "a_keys.h"
#include "a_artifacts.h"
#include "r_data/r_translate.h"
#include "cmdlib.h"
#include "d_net.h"
#include "d_event.h"
#include "p_acs.h"
#include "p_effect.h"
#include "m_joy.h"
#include "farchive.h"
#include "r_renderer.h"
#include "r_data/colormaps.h"
#include <zlib.h>
#include "g_hub.h"
static FRandom pr_dmspawn ("DMSpawn");
static FRandom pr_pspawn ("PlayerSpawn");
const int SAVEPICWIDTH = 216;
const int SAVEPICHEIGHT = 162;
bool G_CheckDemoStatus (void);
void G_ReadDemoTiccmd (ticcmd_t *cmd, int player);
void G_WriteDemoTiccmd (ticcmd_t *cmd, int player, int buf);
void G_PlayerReborn (int player);
void G_DoNewGame (void);
void G_DoLoadGame (void);
void G_DoPlayDemo (void);
void G_DoCompleted (void);
void G_DoVictory (void);
void G_DoWorldDone (void);
void G_DoSaveGame (bool okForQuicksave, FString filename, const char *description);
void G_DoAutoSave ();
void STAT_Write(FILE *file);
void STAT_Read(PNGHandle *png);
FIntCVar gameskill ("skill", 2, CVAR_SERVERINFO|CVAR_LATCH);
CVAR (Int, deathmatch, 0, CVAR_SERVERINFO|CVAR_LATCH);
CVAR (Bool, chasedemo, false, 0);
CVAR (Bool, storesavepic, true, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
CVAR (Bool, longsavemessages, true, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
CVAR (String, save_dir, "", CVAR_ARCHIVE|CVAR_GLOBALCONFIG);
CVAR (Bool, cl_waitforsave, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
EXTERN_CVAR (Float, con_midtime);
//==========================================================================
//
// CVAR displaynametags
//
// Selects whether to display name tags or not when changing weapons/items
//
//==========================================================================
CUSTOM_CVAR (Int, displaynametags, 0, CVAR_ARCHIVE)
{
if (self < 0 || self > 3)
{
self = 0;
}
}
CVAR(Int, nametagcolor, CR_GOLD, CVAR_ARCHIVE)
gameaction_t gameaction;
gamestate_t gamestate = GS_STARTUP;
int paused;
bool pauseext;
bool sendpause; // send a pause event next tic
bool sendsave; // send a save event next tic
bool sendturn180; // [RH] send a 180 degree turn next tic
bool usergame; // ok to save / end game
bool insave; // Game is saving - used to block exit commands
bool timingdemo; // if true, exit with report on completion
bool nodrawers; // for comparative timing purposes
bool noblit; // for comparative timing purposes
bool viewactive;
bool netgame; // only true if packets are broadcast
bool multiplayer;
player_t players[MAXPLAYERS];
bool playeringame[MAXPLAYERS];
int consoleplayer; // player taking events
int gametic;
CVAR(Bool, demo_compress, true, CVAR_ARCHIVE|CVAR_GLOBALCONFIG);
FString newdemoname;
FString newdemomap;
FString demoname;
bool demorecording;
bool demoplayback;
bool demonew; // [RH] Only used around G_InitNew for demos
int demover;
BYTE* demobuffer;
BYTE* demo_p;
BYTE* democompspot;
BYTE* demobodyspot;
size_t maxdemosize;
BYTE* zdemformend; // end of FORM ZDEM chunk
BYTE* zdembodyend; // end of ZDEM BODY chunk
bool singledemo; // quit after playing a demo from cmdline
bool precache = true; // if true, load all graphics at start
wbstartstruct_t wminfo; // parms for world map / intermission
short consistancy[MAXPLAYERS][BACKUPTICS];
#define MAXPLMOVE (forwardmove[1])
#define TURBOTHRESHOLD 12800
float normforwardmove[2] = {0x19, 0x32}; // [RH] For setting turbo from console
float normsidemove[2] = {0x18, 0x28}; // [RH] Ditto
fixed_t forwardmove[2], sidemove[2];
fixed_t angleturn[4] = {640, 1280, 320, 320}; // + slow turn
fixed_t flyspeed[2] = {1*256, 3*256};
int lookspeed[2] = {450, 512};
#define SLOWTURNTICS 6
CVAR (Bool, cl_run, false, CVAR_GLOBALCONFIG|CVAR_ARCHIVE) // Always run?
CVAR (Bool, invertmouse, false, CVAR_GLOBALCONFIG|CVAR_ARCHIVE) // Invert mouse look down/up?
CVAR (Bool, freelook, false, CVAR_GLOBALCONFIG|CVAR_ARCHIVE) // Always mlook?
CVAR (Bool, lookstrafe, false, CVAR_GLOBALCONFIG|CVAR_ARCHIVE) // Always strafe with mouse?
CVAR (Float, m_pitch, 1.f, CVAR_GLOBALCONFIG|CVAR_ARCHIVE) // Mouse speeds
CVAR (Float, m_yaw, 1.f, CVAR_GLOBALCONFIG|CVAR_ARCHIVE)
CVAR (Float, m_forward, 1.f, CVAR_GLOBALCONFIG|CVAR_ARCHIVE)
CVAR (Float, m_side, 2.f, CVAR_GLOBALCONFIG|CVAR_ARCHIVE)
int turnheld; // for accelerative turning
// mouse values are used once
int mousex;
int mousey;
FString savegamefile;
char savedescription[SAVESTRINGSIZE];
// [RH] Name of screenshot file to generate (usually NULL)
FString shotfile;
AActor* bodyque[BODYQUESIZE];
int bodyqueslot;
void R_ExecuteSetViewSize (void);
FString savename;
FString BackupSaveName;
bool SendLand;
const AInventory *SendItemUse, *SendItemDrop;
EXTERN_CVAR (Int, team)
CVAR (Bool, teamplay, false, CVAR_SERVERINFO)
// [RH] Allow turbo setting anytime during game
CUSTOM_CVAR (Float, turbo, 100.f, 0)
{
if (self < 10.f)
{
self = 10.f;
}
else if (self > 255.f)
{
self = 255.f;
}
else
{
double scale = self * 0.01;
forwardmove[0] = (int)(normforwardmove[0]*scale);
forwardmove[1] = (int)(normforwardmove[1]*scale);
sidemove[0] = (int)(normsidemove[0]*scale);
sidemove[1] = (int)(normsidemove[1]*scale);
}
}
CCMD (turnspeeds)
{
if (argv.argc() == 1)
{
Printf ("Current turn speeds: %d %d %d %d\n", angleturn[0],
angleturn[1], angleturn[2], angleturn[3]);
}
else
{
int i;
for (i = 1; i <= 4 && i < argv.argc(); ++i)
{
angleturn[i-1] = atoi (argv[i]);
}
if (i <= 2)
{
angleturn[1] = angleturn[0] * 2;
}
if (i <= 3)
{
angleturn[2] = angleturn[0] / 2;
}
if (i <= 4)
{
angleturn[3] = angleturn[2];
}
}
}
CCMD (slot)
{
if (argv.argc() > 1)
{
int slot = atoi (argv[1]);
if (slot < NUM_WEAPON_SLOTS)
{
SendItemUse = players[consoleplayer].weapons.Slots[slot].PickWeapon (&players[consoleplayer],
!(dmflags2 & DF2_DONTCHECKAMMO));
}
}
}
CCMD (centerview)
{
Net_WriteByte (DEM_CENTERVIEW);
}
CCMD(crouch)
{
Net_WriteByte(DEM_CROUCH);
}
CCMD (land)
{
SendLand = true;
}
CCMD (pause)
{
sendpause = true;
}
CCMD (turn180)
{
sendturn180 = true;
}
CCMD (weapnext)
{
SendItemUse = players[consoleplayer].weapons.PickNextWeapon (&players[consoleplayer]);
// [BC] Option to display the name of the weapon being cycled to.
if ((displaynametags & 2) && StatusBar && SmallFont && SendItemUse)
{
StatusBar->AttachMessage(new DHUDMessageFadeOut(SmallFont, SendItemUse->GetTag(),
1.5f, 0.90f, 0, 0, (EColorRange)*nametagcolor, 2.f, 0.35f), MAKE_ID( 'W', 'E', 'P', 'N' ));
}
}
CCMD (weapprev)
{
SendItemUse = players[consoleplayer].weapons.PickPrevWeapon (&players[consoleplayer]);
// [BC] Option to display the name of the weapon being cycled to.
if ((displaynametags & 2) && StatusBar && SmallFont && SendItemUse)
{
StatusBar->AttachMessage(new DHUDMessageFadeOut(SmallFont, SendItemUse->GetTag(),
1.5f, 0.90f, 0, 0, (EColorRange)*nametagcolor, 2.f, 0.35f), MAKE_ID( 'W', 'E', 'P', 'N' ));
}
}
CCMD (invnext)
{
AInventory *next;
if (who == NULL)
return;
if (who->InvSel != NULL)
{
if ((next = who->InvSel->NextInv()) != NULL)
{
who->InvSel = next;
}
else
{
// Select the first item in the inventory
if (!(who->Inventory->ItemFlags & IF_INVBAR))
{
who->InvSel = who->Inventory->NextInv();
}
else
{
who->InvSel = who->Inventory;
}
}
if ((displaynametags & 1) && StatusBar && SmallFont && who->InvSel)
StatusBar->AttachMessage (new DHUDMessageFadeOut (SmallFont, who->InvSel->GetTag(),
1.5f, 0.80f, 0, 0, (EColorRange)*nametagcolor, 2.f, 0.35f), MAKE_ID('S','I','N','V'));
}
who->player->inventorytics = 5*TICRATE;
}
CCMD (invprev)
{
AInventory *item, *newitem;
if (who == NULL)
return;
if (who->InvSel != NULL)
{
if ((item = who->InvSel->PrevInv()) != NULL)
{
who->InvSel = item;
}
else
{
// Select the last item in the inventory
item = who->InvSel;
while ((newitem = item->NextInv()) != NULL)
{
item = newitem;
}
who->InvSel = item;
}
if ((displaynametags & 1) && StatusBar && SmallFont && who->InvSel)
StatusBar->AttachMessage (new DHUDMessageFadeOut (SmallFont, who->InvSel->GetTag(),
1.5f, 0.80f, 0, 0, (EColorRange)*nametagcolor, 2.f, 0.35f), MAKE_ID('S','I','N','V'));
}
who->player->inventorytics = 5*TICRATE;
}
CCMD (invuseall)
{
SendItemUse = (const AInventory *)1;
}
CCMD (invuse)
{
if (players[consoleplayer].inventorytics == 0)
{
if (players[consoleplayer].mo) SendItemUse = players[consoleplayer].mo->InvSel;
}
players[consoleplayer].inventorytics = 0;
}
CCMD(invquery)
{
AInventory *inv = players[consoleplayer].mo->InvSel;
if (inv != NULL)
{
Printf(PRINT_HIGH, "%s (%dx)\n", inv->GetTag(), inv->Amount);
}
}
CCMD (use)
{
if (argv.argc() > 1 && who != NULL)
{
SendItemUse = who->FindInventory (PClass::FindClass (argv[1]));
}
}
CCMD (invdrop)
{
if (players[consoleplayer].mo) SendItemDrop = players[consoleplayer].mo->InvSel;
}
CCMD (weapdrop)
{
SendItemDrop = players[consoleplayer].ReadyWeapon;
}
CCMD (drop)
{
if (argv.argc() > 1 && who != NULL)
{
SendItemDrop = who->FindInventory (PClass::FindClass (argv[1]));
}
}
const PClass *GetFlechetteType(AActor *other);
CCMD (useflechette)
{ // Select from one of arti_poisonbag1-3, whichever the player has
static const ENamedName bagnames[3] =
{
NAME_ArtiPoisonBag1,
NAME_ArtiPoisonBag2,
NAME_ArtiPoisonBag3
};
if (who == NULL)
return;
const PClass *type = GetFlechetteType(who);
if (type != NULL)
{
AInventory *item;
if ( (item = who->FindInventory (type) ))
{
SendItemUse = item;
return;
}
}
// The default flechette could not be found. Try all 3 types then.
for (int j = 0; j < 3; ++j)
{
AInventory *item;
if ( (item = who->FindInventory (bagnames[j])) )
{
SendItemUse = item;
break;
}
}
}
CCMD (select)
{
if (argv.argc() > 1)
{
AInventory *item = who->FindInventory (PClass::FindClass (argv[1]));
if (item != NULL)
{
who->InvSel = item;
}
}
who->player->inventorytics = 5*TICRATE;
}
static inline int joyint(double val)
{
if (val >= 0)
{
return int(ceil(val));
}
else
{
return int(floor(val));
}
}
//
// G_BuildTiccmd
// Builds a ticcmd from all of the available inputs
// or reads it from the demo buffer.
// If recording a demo, write it out
//
void G_BuildTiccmd (ticcmd_t *cmd)
{
int strafe;
int speed;
int forward;
int side;
int fly;
ticcmd_t *base;
base = I_BaseTiccmd (); // empty, or external driver
*cmd = *base;
cmd->consistancy = consistancy[consoleplayer][(maketic/ticdup)%BACKUPTICS];
strafe = Button_Strafe.bDown;
speed = Button_Speed.bDown ^ (int)cl_run;
forward = side = fly = 0;
// [RH] only use two stage accelerative turning on the keyboard
// and not the joystick, since we treat the joystick as
// the analog device it is.
if (Button_Left.bDown || Button_Right.bDown)
turnheld += ticdup;
else
turnheld = 0;
// let movement keys cancel each other out
if (strafe)
{
if (Button_Right.bDown)
side += sidemove[speed];
if (Button_Left.bDown)
side -= sidemove[speed];
}
else
{
int tspeed = speed;
if (turnheld < SLOWTURNTICS)
tspeed += 2; // slow turn
if (Button_Right.bDown)
{
G_AddViewAngle (angleturn[tspeed]);
LocalKeyboardTurner = true;
}
if (Button_Left.bDown)
{
G_AddViewAngle (-angleturn[tspeed]);
LocalKeyboardTurner = true;
}
}
if (Button_LookUp.bDown)
{
G_AddViewPitch (lookspeed[speed]);
LocalKeyboardTurner = true;
}
if (Button_LookDown.bDown)
{
G_AddViewPitch (-lookspeed[speed]);
LocalKeyboardTurner = true;
}
if (Button_MoveUp.bDown)
fly += flyspeed[speed];
if (Button_MoveDown.bDown)
fly -= flyspeed[speed];
if (Button_Klook.bDown)
{
if (Button_Forward.bDown)
G_AddViewPitch (lookspeed[speed]);
if (Button_Back.bDown)
G_AddViewPitch (-lookspeed[speed]);
}
else
{
if (Button_Forward.bDown)
forward += forwardmove[speed];
if (Button_Back.bDown)
forward -= forwardmove[speed];
}
if (Button_MoveRight.bDown)
side += sidemove[speed];
if (Button_MoveLeft.bDown)
side -= sidemove[speed];
// buttons
if (Button_Attack.bDown) cmd->ucmd.buttons |= BT_ATTACK;
if (Button_AltAttack.bDown) cmd->ucmd.buttons |= BT_ALTATTACK;
if (Button_Use.bDown) cmd->ucmd.buttons |= BT_USE;
if (Button_Jump.bDown) cmd->ucmd.buttons |= BT_JUMP;
if (Button_Crouch.bDown) cmd->ucmd.buttons |= BT_CROUCH;
if (Button_Zoom.bDown) cmd->ucmd.buttons |= BT_ZOOM;
if (Button_Reload.bDown) cmd->ucmd.buttons |= BT_RELOAD;
if (Button_User1.bDown) cmd->ucmd.buttons |= BT_USER1;
if (Button_User2.bDown) cmd->ucmd.buttons |= BT_USER2;
if (Button_User3.bDown) cmd->ucmd.buttons |= BT_USER3;
if (Button_User4.bDown) cmd->ucmd.buttons |= BT_USER4;
if (Button_Speed.bDown) cmd->ucmd.buttons |= BT_SPEED;
if (Button_Strafe.bDown) cmd->ucmd.buttons |= BT_STRAFE;
if (Button_MoveRight.bDown) cmd->ucmd.buttons |= BT_MOVERIGHT;
if (Button_MoveLeft.bDown) cmd->ucmd.buttons |= BT_MOVELEFT;
if (Button_LookDown.bDown) cmd->ucmd.buttons |= BT_LOOKDOWN;
if (Button_LookUp.bDown) cmd->ucmd.buttons |= BT_LOOKUP;
if (Button_Back.bDown) cmd->ucmd.buttons |= BT_BACK;
if (Button_Forward.bDown) cmd->ucmd.buttons |= BT_FORWARD;
if (Button_Right.bDown) cmd->ucmd.buttons |= BT_RIGHT;
if (Button_Left.bDown) cmd->ucmd.buttons |= BT_LEFT;
if (Button_MoveDown.bDown) cmd->ucmd.buttons |= BT_MOVEDOWN;
if (Button_MoveUp.bDown) cmd->ucmd.buttons |= BT_MOVEUP;
if (Button_ShowScores.bDown) cmd->ucmd.buttons |= BT_SHOWSCORES;
// Handle joysticks/game controllers.
float joyaxes[NUM_JOYAXIS];
I_GetAxes(joyaxes);
// Remap some axes depending on button state.
if (Button_Strafe.bDown || (Button_Mlook.bDown && lookstrafe))
{
joyaxes[JOYAXIS_Side] = joyaxes[JOYAXIS_Yaw];
joyaxes[JOYAXIS_Yaw] = 0;
}
if (Button_Mlook.bDown)
{
joyaxes[JOYAXIS_Pitch] = joyaxes[JOYAXIS_Forward];
joyaxes[JOYAXIS_Forward] = 0;
}
if (joyaxes[JOYAXIS_Pitch] != 0)
{
G_AddViewPitch(joyint(joyaxes[JOYAXIS_Pitch] * 2048));
LocalKeyboardTurner = true;
}
if (joyaxes[JOYAXIS_Yaw] != 0)
{
G_AddViewAngle(joyint(-1280 * joyaxes[JOYAXIS_Yaw]));
LocalKeyboardTurner = true;
}
side -= joyint(sidemove[speed] * joyaxes[JOYAXIS_Side]);
forward += joyint(joyaxes[JOYAXIS_Forward] * forwardmove[speed]);
fly += joyint(joyaxes[JOYAXIS_Up] * 2048);
// Handle mice.
if (!Button_Mlook.bDown && !freelook)
{
forward += (int)((float)mousey * m_forward);
}
cmd->ucmd.pitch = LocalViewPitch >> 16;
if (SendLand)
{
SendLand = false;
fly = -32768;
}
if (strafe || lookstrafe)
side += (int)((float)mousex * m_side);
mousex = mousey = 0;
// Build command.
if (forward > MAXPLMOVE)
forward = MAXPLMOVE;
else if (forward < -MAXPLMOVE)
forward = -MAXPLMOVE;
if (side > MAXPLMOVE)
side = MAXPLMOVE;
else if (side < -MAXPLMOVE)
side = -MAXPLMOVE;
cmd->ucmd.forwardmove += forward;
cmd->ucmd.sidemove += side;
cmd->ucmd.yaw = LocalViewAngle >> 16;
cmd->ucmd.upmove = fly;
LocalViewAngle = 0;
LocalViewPitch = 0;
// special buttons
if (sendturn180)
{
sendturn180 = false;
cmd->ucmd.buttons |= BT_TURN180;
}
if (sendpause)
{
sendpause = false;
Net_WriteByte (DEM_PAUSE);
}
if (sendsave)
{
sendsave = false;
Net_WriteByte (DEM_SAVEGAME);
Net_WriteString (savegamefile);
Net_WriteString (savedescription);
savegamefile = "";
}
if (SendItemUse == (const AInventory *)1)
{
Net_WriteByte (DEM_INVUSEALL);
SendItemUse = NULL;
}
else if (SendItemUse != NULL)
{
Net_WriteByte (DEM_INVUSE);
Net_WriteLong (SendItemUse->InventoryID);
SendItemUse = NULL;
}
if (SendItemDrop != NULL)
{
Net_WriteByte (DEM_INVDROP);
Net_WriteLong (SendItemDrop->InventoryID);
SendItemDrop = NULL;
}
cmd->ucmd.forwardmove <<= 8;
cmd->ucmd.sidemove <<= 8;
}
//[Graf Zahl] This really helps if the mouse update rate can't be increased!
CVAR (Bool, smooth_mouse, false, CVAR_GLOBALCONFIG|CVAR_ARCHIVE)
void G_AddViewPitch (int look)
{
if (gamestate == GS_TITLELEVEL)
{
return;
}
look <<= 16;
if (players[consoleplayer].playerstate != PST_DEAD && // No adjustment while dead.
players[consoleplayer].ReadyWeapon != NULL && // No adjustment if no weapon.
players[consoleplayer].ReadyWeapon->FOVScale > 0) // No adjustment if it is non-positive.
{
look = int(look * players[consoleplayer].ReadyWeapon->FOVScale);
}
if (!level.IsFreelookAllowed())
{
LocalViewPitch = 0;
}
else if (look > 0)
{
// Avoid overflowing
if (LocalViewPitch > INT_MAX - look)
{
LocalViewPitch = 0x78000000;
}
else
{
LocalViewPitch = MIN(LocalViewPitch + look, 0x78000000);
}
}
else if (look < 0)
{
// Avoid overflowing
if (LocalViewPitch < INT_MIN - look)
{
LocalViewPitch = -0x78000000;
}
else
{
LocalViewPitch = MAX(LocalViewPitch + look, -0x78000000);
}
}
if (look != 0)
{
LocalKeyboardTurner = smooth_mouse;
}
}
void G_AddViewAngle (int yaw)
{
if (gamestate == GS_TITLELEVEL)
{
return;
}
yaw <<= 16;
if (players[consoleplayer].playerstate != PST_DEAD && // No adjustment while dead.
players[consoleplayer].ReadyWeapon != NULL && // No adjustment if no weapon.
players[consoleplayer].ReadyWeapon->FOVScale > 0) // No adjustment if it is non-positive.
{
yaw = int(yaw * players[consoleplayer].ReadyWeapon->FOVScale);
}
LocalViewAngle -= yaw;
if (yaw != 0)
{
LocalKeyboardTurner = smooth_mouse;
}
}
CVAR (Bool, bot_allowspy, false, 0)
enum {
SPY_CANCEL = 0,
SPY_NEXT,
SPY_PREV,
};
// [RH] Spy mode has been separated into two console commands.
// One goes forward; the other goes backward.
static void ChangeSpy (int changespy)
{
// If you're not in a level, then you can't spy.
if (gamestate != GS_LEVEL)
{
return;
}
// If not viewing through a player, return your eyes to your own head.
if (players[consoleplayer].camera->player == NULL)
{
// When watching demos, you will just have to wait until your player
// has done this for you, since it could desync otherwise.
if (!demoplayback)
{
Net_WriteByte(DEM_REVERTCAMERA);
}
return;
}
// We may not be allowed to spy on anyone.
if (dmflags2 & DF2_DISALLOW_SPYING)
return;
// Otherwise, cycle to the next player.
bool checkTeam = !demoplayback && deathmatch;
int pnum = consoleplayer;
if (changespy != SPY_CANCEL)
{
player_t *player = players[consoleplayer].camera->player;
// only use the camera as starting index if it's a valid player.
if (player != NULL) pnum = int(players[consoleplayer].camera->player - players);
int step = (changespy == SPY_NEXT) ? 1 : -1;
do
{
pnum += step;
pnum &= MAXPLAYERS-1;
if (playeringame[pnum] &&
(!checkTeam || players[pnum].mo->IsTeammate (players[consoleplayer].mo) ||
(bot_allowspy && players[pnum].Bot != NULL)))
{
break;
}
} while (pnum != consoleplayer);
}
players[consoleplayer].camera = players[pnum].mo;
S_UpdateSounds(players[consoleplayer].camera);
StatusBar->AttachToPlayer (&players[pnum]);
if (demoplayback || multiplayer)
{
StatusBar->ShowPlayerName ();
}
}
CCMD (spynext)
{
// allow spy mode changes even during the demo
ChangeSpy (SPY_NEXT);
}
CCMD (spyprev)
{
// allow spy mode changes even during the demo
ChangeSpy (SPY_PREV);
}
CCMD (spycancel)
{
// allow spy mode changes even during the demo
ChangeSpy (SPY_CANCEL);
}
//
// G_Responder
// Get info needed to make ticcmd_ts for the players.
//
bool G_Responder (event_t *ev)
{
// any other key pops up menu if in demos
// [RH] But only if the key isn't bound to a "special" command
if (gameaction == ga_nothing &&
(demoplayback || gamestate == GS_DEMOSCREEN || gamestate == GS_TITLELEVEL))
{
const char *cmd = Bindings.GetBind (ev->data1);
if (ev->type == EV_KeyDown)
{
if (!cmd || (
strnicmp (cmd, "menu_", 5) &&
stricmp (cmd, "toggleconsole") &&
stricmp (cmd, "sizeup") &&
stricmp (cmd, "sizedown") &&
stricmp (cmd, "togglemap") &&
stricmp (cmd, "spynext") &&
stricmp (cmd, "spyprev") &&
stricmp (cmd, "chase") &&
stricmp (cmd, "+showscores") &&
stricmp (cmd, "bumpgamma") &&
stricmp (cmd, "screenshot")))
{
M_StartControlPanel(true);
M_SetMenu(NAME_Mainmenu, -1);
return true;
}
else
{
return C_DoKey (ev, &Bindings, &DoubleBindings);
}
}
if (cmd && cmd[0] == '+')
return C_DoKey (ev, &Bindings, &DoubleBindings);
return false;
}
if (CT_Responder (ev))
return true; // chat ate the event
if (gamestate == GS_LEVEL)
{
if (ST_Responder (ev))
return true; // status window ate it
if (!viewactive && AM_Responder (ev, false))
return true; // automap ate it
}
else if (gamestate == GS_FINALE)
{
if (F_Responder (ev))
return true; // finale ate the event
}
switch (ev->type)
{
case EV_KeyDown:
if (C_DoKey (ev, &Bindings, &DoubleBindings))
return true;
break;
case EV_KeyUp:
C_DoKey (ev, &Bindings, &DoubleBindings);
break;
// [RH] mouse buttons are sent as key up/down events
case EV_Mouse:
mousex = (int)(ev->x * mouse_sensitivity);
mousey = (int)(ev->y * mouse_sensitivity);
break;
}
// [RH] If the view is active, give the automap a chance at
// the events *last* so that any bound keys get precedence.
if (gamestate == GS_LEVEL && viewactive)
return AM_Responder (ev, true);
return (ev->type == EV_KeyDown ||
ev->type == EV_Mouse);
}
//
// G_Ticker
// Make ticcmd_ts for the players.
//
extern FTexture *Page;
void G_Ticker ()
{
int i;
gamestate_t oldgamestate;
// do player reborns if needed
for (i = 0; i < MAXPLAYERS; i++)
{
if (playeringame[i])
{
if (players[i].playerstate == PST_GONE)
{
G_DoPlayerPop(i);
}
if (players[i].playerstate == PST_REBORN || players[i].playerstate == PST_ENTER)
{
G_DoReborn(i, false);
}
}
}
if (ToggleFullscreen)
{
static char toggle_fullscreen[] = "toggle fullscreen";
ToggleFullscreen = false;
AddCommandString (toggle_fullscreen);
}
// do things to change the game state
oldgamestate = gamestate;
while (gameaction != ga_nothing)
{
if (gameaction == ga_newgame2)
{
gameaction = ga_newgame;
break;
}
switch (gameaction)
{
case ga_loadlevel:
G_DoLoadLevel (-1, false);
break;
case ga_recordgame:
G_CheckDemoStatus();
G_RecordDemo(newdemoname);
G_BeginRecording(newdemomap);
case ga_newgame2: // Silence GCC (see above)
case ga_newgame:
G_DoNewGame ();
break;
case ga_loadgame:
case ga_loadgamehidecon:
case ga_autoloadgame:
G_DoLoadGame ();
break;
case ga_savegame:
G_DoSaveGame (true, savegamefile, savedescription);
gameaction = ga_nothing;
savegamefile = "";
savedescription[0] = '\0';
break;
case ga_autosave:
G_DoAutoSave ();
gameaction = ga_nothing;
break;
case ga_loadgameplaydemo:
G_DoLoadGame ();
// fallthrough
case ga_playdemo:
G_DoPlayDemo ();
break;
case ga_completed:
G_DoCompleted ();
break;
case ga_slideshow:
if (gamestate == GS_LEVEL) F_StartIntermission(level.info->slideshow, FSTATE_InLevel);
break;
case ga_worlddone:
G_DoWorldDone ();
break;
case ga_screenshot:
M_ScreenShot (shotfile);
shotfile = "";
gameaction = ga_nothing;
break;
case ga_fullconsole:
C_FullConsole ();
gameaction = ga_nothing;
break;
case ga_togglemap:
AM_ToggleMap ();
gameaction = ga_nothing;
break;
case ga_nothing:
break;
}
C_AdjustBottom ();
}
if (oldgamestate != gamestate)
{
if (oldgamestate == GS_DEMOSCREEN && Page != NULL)
{
Page->Unload();
Page = NULL;
}
else if (oldgamestate == GS_FINALE)
{
F_EndFinale ();
}
}
// get commands, check consistancy, and build new consistancy check
int buf = (gametic/ticdup)%BACKUPTICS;
// [RH] Include some random seeds and player stuff in the consistancy
// check, not just the player's x position like BOOM.
DWORD rngsum = FRandom::StaticSumSeeds ();
//Added by MC: For some of that bot stuff. The main bot function.
bglobal.Main ();
for (i = 0; i < MAXPLAYERS; i++)
{
if (playeringame[i])
{
ticcmd_t *cmd = &players[i].cmd;
ticcmd_t *newcmd = &netcmds[i][buf];
if ((gametic % ticdup) == 0)
{
RunNetSpecs (i, buf);
}
if (demorecording)
{
G_WriteDemoTiccmd (newcmd, i, buf);
}
players[i].oldbuttons = cmd->ucmd.buttons;
// If the user alt-tabbed away, paused gets set to -1. In this case,
// we do not want to read more demo commands until paused is no
// longer negative.
if (demoplayback)
{
G_ReadDemoTiccmd (cmd, i);
}
else
{
memcpy(cmd, newcmd, sizeof(ticcmd_t));
}
// check for turbo cheats
if (cmd->ucmd.forwardmove > TURBOTHRESHOLD &&
!(gametic&31) && ((gametic>>5)&(MAXPLAYERS-1)) == i )
{
Printf ("%s is turbo!\n", players[i].userinfo.GetName());
}
if (netgame && players[i].Bot == NULL && !demoplayback && (gametic%ticdup) == 0)
{
//players[i].inconsistant = 0;
if (gametic > BACKUPTICS*ticdup && consistancy[i][buf] != cmd->consistancy)
{
players[i].inconsistant = gametic - BACKUPTICS*ticdup;
}
if (players[i].mo)
{
DWORD sum = rngsum + players[i].mo->x + players[i].mo->y + players[i].mo->z
+ players[i].mo->angle + players[i].mo->pitch;
sum ^= players[i].health;
consistancy[i][buf] = sum;
}
else
{
consistancy[i][buf] = rngsum;
}
}
}
}
// do main actions
switch (gamestate)
{
case GS_LEVEL:
P_Ticker ();
AM_Ticker ();
break;
case GS_TITLELEVEL:
P_Ticker ();
break;
case GS_INTERMISSION:
WI_Ticker ();
break;
case GS_FINALE:
F_Ticker ();
break;
case GS_DEMOSCREEN:
D_PageTicker ();
break;
case GS_STARTUP:
if (gameaction == ga_nothing)
{
gamestate = GS_FULLCONSOLE;
gameaction = ga_fullconsole;
}
break;
default:
break;
}
}
//
// PLAYER STRUCTURE FUNCTIONS
// also see P_SpawnPlayer in P_Mobj
//
//
// G_PlayerFinishLevel
// Called when a player completes a level.
//
// flags is checked for RESETINVENTORY and RESETHEALTH only.
void G_PlayerFinishLevel (int player, EFinishLevelType mode, int flags)
{
AInventory *item, *next;
player_t *p;
p = &players[player];
if (p->morphTics != 0)
{ // Undo morph
P_UndoPlayerMorph (p, p, 0, true);
}
// Strip all current powers, unless moving in a hub and the power is okay to keep.
item = p->mo->Inventory;
while (item != NULL)
{
next = item->Inventory;
if (item->IsKindOf (RUNTIME_CLASS(APowerup)))
{
if (deathmatch || ((mode != FINISH_SameHub || !(item->ItemFlags & IF_HUBPOWER))
&& !(item->ItemFlags & IF_PERSISTENTPOWER))) // Keep persistent powers in non-deathmatch games
{
item->Destroy ();
}
}
item = next;
}
if (p->ReadyWeapon != NULL &&
p->ReadyWeapon->WeaponFlags&WIF_POWERED_UP &&
p->PendingWeapon == p->ReadyWeapon->SisterWeapon)
{
// Unselect powered up weapons if the unpowered counterpart is pending
p->ReadyWeapon=p->PendingWeapon;
}
// reset invisibility to default
if (p->mo->GetDefault()->flags & MF_SHADOW)
{
p->mo->flags |= MF_SHADOW;
}
else
{
p->mo->flags &= ~MF_SHADOW;
}
p->mo->RenderStyle = p->mo->GetDefault()->RenderStyle;
p->mo->alpha = p->mo->GetDefault()->alpha;
p->extralight = 0; // cancel gun flashes
p->fixedcolormap = NOFIXEDCOLORMAP; // cancel ir goggles
p->fixedlightlevel = -1;
p->damagecount = 0; // no palette changes
p->bonuscount = 0;
p->poisoncount = 0;
p->inventorytics = 0;
if (mode != FINISH_SameHub)
{
// Take away flight and keys (and anything else with IF_INTERHUBSTRIP set)
item = p->mo->Inventory;
while (item != NULL)
{
next = item->Inventory;
if (item->InterHubAmount < 1)
{
item->Destroy ();
}
item = next;
}
}
if (mode == FINISH_NoHub && !(level.flags2 & LEVEL2_KEEPFULLINVENTORY))
{ // Reduce all owned (visible) inventory to defined maximum interhub amount
for (item = p->mo->Inventory; item != NULL; item = item->Inventory)
{
// If the player is carrying more samples of an item than allowed, reduce amount accordingly
if (item->ItemFlags & IF_INVBAR && item->Amount > item->InterHubAmount)
{
item->Amount = item->InterHubAmount;
}
}
}
// Resets player health to default if not dead.
if ((flags & CHANGELEVEL_RESETHEALTH) && p->playerstate != PST_DEAD)
{
p->health = p->mo->health = p->mo->SpawnHealth();
}
// Clears the entire inventory and gives back the defaults for starting a game
if ((flags & CHANGELEVEL_RESETINVENTORY) && p->playerstate != PST_DEAD)
{
p->mo->ClearInventory();
p->mo->GiveDefaultInventory();
}
}
//
// G_PlayerReborn
// Called after a player dies
// almost everything is cleared and initialized
//
void G_PlayerReborn (int player)
{
player_t* p;
int frags[MAXPLAYERS];
int fragcount; // [RH] Cumulative frags
int killcount;
int itemcount;
int secretcount;
int chasecam;
BYTE currclass;
userinfo_t userinfo; // [RH] Save userinfo
APlayerPawn *actor;
const PClass *cls;
FString log;
DBot *Bot; //Added by MC:
p = &players[player];
memcpy (frags, p->frags, sizeof(frags));
fragcount = p->fragcount;
killcount = p->killcount;
itemcount = p->itemcount;
secretcount = p->secretcount;
currclass = p->CurrentPlayerClass;
userinfo.TransferFrom(p->userinfo);
actor = p->mo;
cls = p->cls;
log = p->LogText;
chasecam = p->cheats & CF_CHASECAM;
Bot = p->Bot; //Added by MC:
// Reset player structure to its defaults
p->~player_t();
::new(p) player_t;
memcpy (p->frags, frags, sizeof(p->frags));
p->health = actor->health;
p->fragcount = fragcount;
p->killcount = killcount;
p->itemcount = itemcount;
p->secretcount = secretcount;
p->CurrentPlayerClass = currclass;
p->userinfo.TransferFrom(userinfo);
p->mo = actor;
p->cls = cls;
p->LogText = log;
p->cheats |= chasecam;
p->Bot = Bot; //Added by MC:
p->oldbuttons = ~0, p->attackdown = true; p->usedown = true; // don't do anything immediately
p->original_oldbuttons = ~0;
p->playerstate = PST_LIVE;
if (gamestate != GS_TITLELEVEL)
{
// [GRB] Give inventory specified in DECORATE
actor->GiveDefaultInventory ();
p->ReadyWeapon = p->PendingWeapon;
}
//Added by MC: Init bot structure.
if (p->Bot != NULL)
{
botskill_t skill = p->Bot->skill;
p->Bot->Clear ();
p->Bot->player = p;
p->Bot->skill = skill;
}
}
//
// G_CheckSpot
// Returns false if the player cannot be respawned
// at the given mapthing spot
// because something is occupying it
//
bool G_CheckSpot (int playernum, FPlayerStart *mthing)
{
fixed_t x;
fixed_t y;
fixed_t z, oldz;
int i;
x = mthing->x;
y = mthing->y;
z = mthing->z;
if (!(level.flags & LEVEL_USEPLAYERSTARTZ))
{
z = 0;
}
z += P_PointInSector (x, y)->floorplane.ZatPoint (x, y);
if (!players[playernum].mo)
{ // first spawn of level, before corpses
for (i = 0; i < playernum; i++)
if (players[i].mo && players[i].mo->x == x && players[i].mo->y == y)
return false;
return true;
}
oldz = players[playernum].mo->z; // [RH] Need to save corpse's z-height
players[playernum].mo->z = z; // [RH] Checks are now full 3-D
// killough 4/2/98: fix bug where P_CheckPosition() uses a non-solid
// corpse to detect collisions with other players in DM starts
//
// Old code:
// if (!P_CheckPosition (players[playernum].mo, x, y))
// return false;
players[playernum].mo->flags |= MF_SOLID;
i = P_CheckPosition(players[playernum].mo, x, y);
players[playernum].mo->flags &= ~MF_SOLID;
players[playernum].mo->z = oldz; // [RH] Restore corpse's height
if (!i)
return false;
return true;
}
//
// G_DeathMatchSpawnPlayer
// Spawns a player at one of the random death match spots
// called at level load and each death
//
// [RH] Returns the distance of the closest player to the given mapthing
static fixed_t PlayersRangeFromSpot (FPlayerStart *spot)
{
fixed_t closest = INT_MAX;
fixed_t distance;
int i;
for (i = 0; i < MAXPLAYERS; i++)
{
if (!playeringame[i] || !players[i].mo || players[i].health <= 0)
continue;
distance = P_AproxDistance (players[i].mo->x - spot->x,
players[i].mo->y - spot->y);
if (distance < closest)
closest = distance;
}
return closest;
}
// [RH] Select the deathmatch spawn spot farthest from everyone.
static FPlayerStart *SelectFarthestDeathmatchSpot (size_t selections)
{
fixed_t bestdistance = 0;
FPlayerStart *bestspot = NULL;
unsigned int i;
for (i = 0; i < selections; i++)
{
fixed_t distance = PlayersRangeFromSpot (&deathmatchstarts[i]);
if (distance > bestdistance)
{
bestdistance = distance;
bestspot = &deathmatchstarts[i];
}
}
return bestspot;
}
// [RH] Select a deathmatch spawn spot at random (original mechanism)
static FPlayerStart *SelectRandomDeathmatchSpot (int playernum, unsigned int selections)
{
unsigned int i, j;
for (j = 0; j < 20; j++)
{
i = pr_dmspawn() % selections;
if (G_CheckSpot (playernum, &deathmatchstarts[i]) )
{
return &deathmatchstarts[i];
}
}
// [RH] return a spot anyway, since we allow telefragging when a player spawns
return &deathmatchstarts[i];
}
void G_DeathMatchSpawnPlayer (int playernum)
{
unsigned int selections;
FPlayerStart *spot;
selections = deathmatchstarts.Size ();
// [RH] We can get by with just 1 deathmatch start
if (selections < 1)
I_Error ("No deathmatch starts");
// At level start, none of the players have mobjs attached to them,
// so we always use the random deathmatch spawn. During the game,
// though, we use whatever dmflags specifies.
if ((dmflags & DF_SPAWN_FARTHEST) && players[playernum].mo)
spot = SelectFarthestDeathmatchSpot (selections);
else
spot = SelectRandomDeathmatchSpot (playernum, selections);
if (spot == NULL)
{ // No good spot, so the player will probably get stuck.
// We were probably using select farthest above, and all
// the spots were taken.
spot = G_PickPlayerStart(playernum, PPS_FORCERANDOM);
if (!G_CheckSpot(playernum, spot))
{ // This map doesn't have enough coop spots for this player
// to use one.
spot = SelectRandomDeathmatchSpot(playernum, selections);
if (spot == NULL)
{ // We have a player 1 start, right?
spot = &playerstarts[0];
if (spot == NULL)
{ // Fine, whatever.
spot = &deathmatchstarts[0];
}
}
}
}
AActor *mo = P_SpawnPlayer(spot, playernum);
if (mo != NULL) P_PlayerStartStomp(mo);
}
//
// G_PickPlayerStart
//
FPlayerStart *G_PickPlayerStart(int playernum, int flags)
{
if ((level.flags2 & LEVEL2_RANDOMPLAYERSTARTS) || (flags & PPS_FORCERANDOM))
{
if (!(flags & PPS_NOBLOCKINGCHECK))
{
TArray<FPlayerStart *> good_starts;
unsigned int i;
// Find all unblocked player starts.
for (i = 0; i < AllPlayerStarts.Size(); ++i)
{
if (G_CheckSpot(playernum, &AllPlayerStarts[i]))
{
good_starts.Push(&AllPlayerStarts[i]);
}
}
if (good_starts.Size() > 0)
{ // Pick an open spot at random.
return good_starts[pr_pspawn(good_starts.Size())];
}
}
// Pick a spot at random, whether it's open or not.
return &AllPlayerStarts[pr_pspawn(AllPlayerStarts.Size())];
}
return &playerstarts[playernum];
}
//
// G_QueueBody
//
static void G_QueueBody (AActor *body)
{
// flush an old corpse if needed
int modslot = bodyqueslot%BODYQUESIZE;
if (bodyqueslot >= BODYQUESIZE && bodyque[modslot] != NULL)
{
bodyque[modslot]->Destroy ();
}
bodyque[modslot] = body;
// Copy the player's translation, so that if they change their color later, only
// their current body will change and not all their old corpses.
if (GetTranslationType(body->Translation) == TRANSLATION_Players ||
GetTranslationType(body->Translation) == TRANSLATION_PlayersExtra)
{
*translationtables[TRANSLATION_PlayerCorpses][modslot] = *TranslationToTable(body->Translation);
body->Translation = TRANSLATION(TRANSLATION_PlayerCorpses,modslot);
translationtables[TRANSLATION_PlayerCorpses][modslot]->UpdateNative();
}
bodyqueslot++;
}
//
// G_DoReborn
//
void G_DoReborn (int playernum, bool freshbot)
{
if (!multiplayer && !(level.flags2 & LEVEL2_ALLOWRESPAWN))
{
if (BackupSaveName.Len() > 0 && FileExists (BackupSaveName.GetChars()))
{ // Load game from the last point it was saved
savename = BackupSaveName;
gameaction = ga_autoloadgame;
}
else
{ // Reload the level from scratch
bool indemo = demoplayback;
BackupSaveName = "";
G_InitNew (level.MapName, false);
demoplayback = indemo;
// gameaction = ga_loadlevel;
}
}
else
{
// respawn at the start
// first disassociate the corpse
if (players[playernum].mo)
{
G_QueueBody (players[playernum].mo);
players[playernum].mo->player = NULL;
}
// spawn at random spot if in deathmatch
if (deathmatch)
{
G_DeathMatchSpawnPlayer (playernum);
return;
}
if (!(level.flags2 & LEVEL2_RANDOMPLAYERSTARTS) &&
G_CheckSpot (playernum, &playerstarts[playernum]))
{
AActor *mo = P_SpawnPlayer(&playerstarts[playernum], playernum);
if (mo != NULL) P_PlayerStartStomp(mo);
}
else
{ // try to spawn at any random player's spot
FPlayerStart *start = G_PickPlayerStart(playernum, PPS_FORCERANDOM);
AActor *mo = P_SpawnPlayer(start, playernum);
if (mo != NULL) P_PlayerStartStomp(mo);
}
}
}
//
// G_DoReborn
//
void G_DoPlayerPop(int playernum)
{
playeringame[playernum] = false;
if (deathmatch)
{
Printf("%s left the game with %d frags\n",
players[playernum].userinfo.GetName(),
players[playernum].fragcount);
}
else
{
Printf("%s left the game\n", players[playernum].userinfo.GetName());
}
// [RH] Revert each player to their own view if spying through the player who left
for (int ii = 0; ii < MAXPLAYERS; ++ii)
{
if (playeringame[ii] && players[ii].camera == players[playernum].mo)
{
players[ii].camera = players[ii].mo;
if (ii == consoleplayer && StatusBar != NULL)
{
StatusBar->AttachToPlayer(&players[ii]);
}
}
}
// [RH] Make the player disappear
FBehavior::StaticStopMyScripts(players[playernum].mo);
if (players[playernum].mo != NULL)
{
P_DisconnectEffect(players[playernum].mo);
players[playernum].mo->player = NULL;
players[playernum].mo->Destroy();
if (!(players[playernum].mo->ObjectFlags & OF_EuthanizeMe))
{ // We just destroyed a morphed player, so now the original player
// has taken their place. Destroy that one too.
players[playernum].mo->Destroy();
}
players[playernum].mo = NULL;
players[playernum].camera = NULL;
}
// [RH] Let the scripts know the player left
FBehavior::StaticStartTypedScripts(SCRIPT_Disconnect, NULL, true, playernum);
}
void G_ScreenShot (char *filename)
{
shotfile = filename;
gameaction = ga_screenshot;
}
//
// G_InitFromSavegame
// Can be called by the startup code or the menu task.
//
void G_LoadGame (const char* name, bool hidecon)
{
if (name != NULL)
{
savename = name;
gameaction = !hidecon ? ga_loadgame : ga_loadgamehidecon;
}
}
static bool CheckSingleWad (char *name, bool &printRequires, bool printwarn)
{
if (name == NULL)
{
return true;
}
if (Wads.CheckIfWadLoaded (name) < 0)
{
if (printwarn)
{
if (!printRequires)
{
Printf ("This savegame needs these wads:\n%s", name);
}
else
{
Printf (", %s", name);
}
}
printRequires = true;
delete[] name;
return false;
}
delete[] name;
return true;
}
// Return false if not all the needed wads have been loaded.
bool G_CheckSaveGameWads (PNGHandle *png, bool printwarn)
{
char *text;
bool printRequires = false;
text = M_GetPNGText (png, "Game WAD");
CheckSingleWad (text, printRequires, printwarn);
text = M_GetPNGText (png, "Map WAD");
CheckSingleWad (text, printRequires, printwarn);
if (printRequires)
{
if (printwarn)
{
Printf ("\n");
}
return false;
}
return true;
}
void G_DoLoadGame ()
{
char sigcheck[20];
char *text = NULL;
char *map;
bool hidecon;
if (gameaction != ga_autoloadgame)
{
demoplayback = false;
}
hidecon = gameaction == ga_loadgamehidecon;
gameaction = ga_nothing;
FILE *stdfile = fopen (savename.GetChars(), "rb");
if (stdfile == NULL)
{
Printf ("Could not read savegame '%s'\n", savename.GetChars());
return;
}
PNGHandle *png = M_VerifyPNG (stdfile);
if (png == NULL)
{
fclose (stdfile);
Printf ("'%s' is not a valid (PNG) savegame\n", savename.GetChars());
return;
}
SaveVersion = 0;
// Check whether this savegame actually has been created by a compatible engine.
// Since there are ZDoom derivates using the exact same savegame format but
// with mutual incompatibilities this check simplifies things significantly.
char *engine = M_GetPNGText (png, "Engine");
if (engine == NULL || 0 != strcmp (engine, GAMESIG))
{
// Make a special case for the message printed for old savegames that don't
// have this information.
if (engine == NULL)
{
Printf ("Savegame is from an incompatible version\n");
}
else
{
Printf ("Savegame is from another ZDoom-based engine: %s\n", engine);
delete[] engine;
}
delete png;
fclose (stdfile);
return;
}
if (engine != NULL)
{
delete[] engine;
}
SaveVersion = 0;
if (!M_GetPNGText (png, "ZDoom Save Version", sigcheck, 20) ||
0 != strncmp (sigcheck, SAVESIG, 9) || // ZDOOMSAVE is the first 9 chars
(SaveVersion = atoi (sigcheck+9)) < MINSAVEVER)
{
delete png;
fclose (stdfile);
Printf ("Savegame is from an incompatible version");
if (SaveVersion != 0)
{
Printf(": %d (%d is the oldest supported)", SaveVersion, MINSAVEVER);
}
Printf("\n");
return;
}
if (!G_CheckSaveGameWads (png, true))
{
fclose (stdfile);
return;
}
map = M_GetPNGText (png, "Current Map");
if (map == NULL)
{
Printf ("Savegame is missing the current map\n");
fclose (stdfile);
return;
}
// Now that it looks like we can load this save, hide the fullscreen console if it was up
// when the game was selected from the menu.
if (hidecon && gamestate == GS_FULLCONSOLE)
{
gamestate = GS_HIDECONSOLE;
}
// Read intermission data for hubs
G_ReadHubInfo(png);
bglobal.RemoveAllBots (true);
text = M_GetPNGText (png, "Important CVARs");
if (text != NULL)
{
BYTE *vars_p = (BYTE *)text;
C_ReadCVars (&vars_p);
delete[] text;
if (SaveVersion <= 4509)
{
// account for the flag shuffling for making freelook a 3-state option
INTBOOL flag = dmflags & DF_YES_FREELOOK;
dmflags = dmflags & ~DF_YES_FREELOOK;
if (flag) dmflags2 = dmflags2 | DF2_RESPAWN_SUPER;
}
}
// dearchive all the modifications
if (M_FindPNGChunk (png, MAKE_ID('p','t','I','c')) == 8)
{
DWORD time[2];
fread (&time, 8, 1, stdfile);
time[0] = BigLong((unsigned int)time[0]);
time[1] = BigLong((unsigned int)time[1]);
level.time = Scale (time[1], TICRATE, time[0]);
}
else
{ // No ptIc chunk so we don't know how long the user was playing
level.time = 0;
}
G_ReadSnapshots (png);
STAT_Read(png);
FRandom::StaticReadRNGState (png);
P_ReadACSDefereds (png);
// load a base level
savegamerestore = true; // Use the player actors in the savegame
bool demoplaybacksave = demoplayback;
G_InitNew (map, false);
demoplayback = demoplaybacksave;
delete[] map;
savegamerestore = false;
P_ReadACSVars(png);
NextSkill = -1;
if (M_FindPNGChunk (png, MAKE_ID('s','n','X','t')) == 1)
{
BYTE next;
fread (&next, 1, 1, stdfile);
NextSkill = next;
}
if (level.info->snapshot != NULL)
{
delete level.info->snapshot;
level.info->snapshot = NULL;
}
BackupSaveName = savename;
delete png;
fclose (stdfile);
// At this point, the GC threshold is likely a lot higher than the
// amount of memory in use, so bring it down now by starting a
// collection.
GC::StartCollection();
}
//
// G_SaveGame
// Called by the menu task.
// Description is a 24 byte text string
//
void G_SaveGame (const char *filename, const char *description)
{
if (sendsave || gameaction == ga_savegame)
{
Printf ("A game save is still pending.\n");
return;
}
else if (!usergame)
{
Printf ("not in a saveable game\n");
}
else if (gamestate != GS_LEVEL)
{
Printf ("not in a level\n");
}
else if (players[consoleplayer].health <= 0 && !multiplayer)
{
Printf ("player is dead in a single-player game\n");
}
else
{
savegamefile = filename;
strncpy (savedescription, description, sizeof(savedescription)-1);
savedescription[sizeof(savedescription)-1] = '\0';
sendsave = true;
}
}
FString G_BuildSaveName (const char *prefix, int slot)
{
FString name;
FString leader;
const char *slash = "";
leader = Args->CheckValue ("-savedir");
if (leader.IsEmpty())
{
leader = save_dir;
if (leader.IsEmpty())
{
leader = M_GetSavegamesPath();
}
}
size_t len = leader.Len();
if (leader[0] != '\0' && leader[len-1] != '\\' && leader[len-1] != '/')
{
slash = "/";
}
name << leader << slash;
name = NicePath(name);
CreatePath(name);
name << prefix;
if (slot >= 0)
{
name.AppendFormat("%d.zds", slot);
}
return name;
}
CVAR (Int, autosavenum, 0, CVAR_NOSET|CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
static int nextautosave = -1;
CVAR (Int, disableautosave, 0, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
CUSTOM_CVAR (Int, autosavecount, 4, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
{
if (self < 0)
self = 0;
if (self > 20)
self = 20;
}
extern void P_CalcHeight (player_t *);
void G_DoAutoSave ()
{
char description[SAVESTRINGSIZE];
FString file;
// Keep up to four autosaves at a time
UCVarValue num;
const char *readableTime;
int count = autosavecount != 0 ? autosavecount : 1;
if (nextautosave == -1)
{
nextautosave = (autosavenum + 1) % count;
}
num.Int = nextautosave;
autosavenum.ForceSet (num, CVAR_Int);
file = G_BuildSaveName ("auto", nextautosave);
if (!(level.flags2 & LEVEL2_NOAUTOSAVEHINT))
{
nextautosave = (nextautosave + 1) % count;
}
else
{
// This flag can only be used once per level
level.flags2 &= ~LEVEL2_NOAUTOSAVEHINT;
}
readableTime = myasctime ();
strcpy (description, "Autosave ");
strncpy (description+9, readableTime+4, 12);
description[9+12] = 0;
G_DoSaveGame (false, file, description);
}
static void PutSaveWads (FILE *file)
{
const char *name;
// Name of IWAD
name = Wads.GetWadName (FWadCollection::IWAD_FILENUM);
M_AppendPNGText (file, "Game WAD", name);
// Name of wad the map resides in
if (Wads.GetLumpFile (level.lumpnum) > 1)
{
name = Wads.GetWadName (Wads.GetLumpFile (level.lumpnum));
M_AppendPNGText (file, "Map WAD", name);
}
}
static void PutSaveComment (FILE *file)
{
char comment[256];
const char *readableTime;
WORD len;
int levelTime;
// Get the current date and time
readableTime = myasctime ();
strncpy (comment, readableTime, 10);
strncpy (comment+10, readableTime+19, 5);
strncpy (comment+15, readableTime+10, 9);
comment[24] = 0;
M_AppendPNGText (file, "Creation Time", comment);
// Get level name
//strcpy (comment, level.level_name);
mysnprintf(comment, countof(comment), "%s - %s", level.MapName.GetChars(), level.LevelName.GetChars());
len = (WORD)strlen (comment);
comment[len] = '\n';
// Append elapsed time
levelTime = level.time / TICRATE;
mysnprintf (comment + len + 1, countof(comment) - len - 1, "time: %02d:%02d:%02d",
levelTime/3600, (levelTime%3600)/60, levelTime%60);
comment[len+16] = 0;
// Write out the comment
M_AppendPNGText (file, "Comment", comment);
}
static void PutSavePic (FILE *file, int width, int height)
{
if (width <= 0 || height <= 0 || !storesavepic)
{
M_CreateDummyPNG (file);
}
else
{
Renderer->WriteSavePic(&players[consoleplayer], file, width, height);
}
}
void G_DoSaveGame (bool okForQuicksave, FString filename, const char *description)
{
char buf[100];
// Do not even try, if we're not in a level. (Can happen after
// a demo finishes playback.)
if (lines == NULL || sectors == NULL || gamestate != GS_LEVEL)
{
return;
}
if (demoplayback)
{
filename = G_BuildSaveName ("demosave.zds", -1);
}
if (cl_waitforsave)
I_FreezeTime(true);
insave = true;
G_SnapshotLevel ();
FILE *stdfile = fopen (filename, "wb");
if (stdfile == NULL)
{
Printf ("Could not create savegame '%s'\n", filename.GetChars());
insave = false;
I_FreezeTime(false);
return;
}
SaveVersion = SAVEVER;
PutSavePic (stdfile, SAVEPICWIDTH, SAVEPICHEIGHT);
mysnprintf(buf, countof(buf), GAMENAME " %s", GetVersionString());
M_AppendPNGText (stdfile, "Software", buf);
M_AppendPNGText (stdfile, "Engine", GAMESIG);
M_AppendPNGText (stdfile, "ZDoom Save Version", SAVESIG);
M_AppendPNGText (stdfile, "Title", description);
M_AppendPNGText (stdfile, "Current Map", level.MapName);
PutSaveWads (stdfile);
PutSaveComment (stdfile);
// Intermission stats for hubs
G_WriteHubInfo(stdfile);
{
FString vars = C_GetMassCVarString(CVAR_SERVERINFO);
M_AppendPNGText (stdfile, "Important CVARs", vars.GetChars());
}
if (level.time != 0 || level.maptime != 0)
{
DWORD time[2] = { DWORD(BigLong(TICRATE)), DWORD(BigLong(level.time)) };
M_AppendPNGChunk (stdfile, MAKE_ID('p','t','I','c'), (BYTE *)&time, 8);
}
G_WriteSnapshots (stdfile);
STAT_Write(stdfile);
FRandom::StaticWriteRNGState (stdfile);
P_WriteACSDefereds (stdfile);
P_WriteACSVars(stdfile);
if (NextSkill != -1)
{
BYTE next = NextSkill;
M_AppendPNGChunk (stdfile, MAKE_ID('s','n','X','t'), &next, 1);
}
M_FinishPNG (stdfile);
fclose (stdfile);
M_NotifyNewSave (filename.GetChars(), description, okForQuicksave);
// Check whether the file is ok.
bool success = false;
stdfile = fopen (filename.GetChars(), "rb");
if (stdfile != NULL)
{
PNGHandle *pngh = M_VerifyPNG(stdfile);
if (pngh != NULL)
{
success = true;
delete pngh;
}
fclose(stdfile);
}
if (success)
{
if (longsavemessages) Printf ("%s (%s)\n", GStrings("GGSAVED"), filename.GetChars());
else Printf ("%s\n", GStrings("GGSAVED"));
}
else Printf(PRINT_HIGH, "Save failed\n");
BackupSaveName = filename;
// We don't need the snapshot any longer.
if (level.info->snapshot != NULL)
{
delete level.info->snapshot;
level.info->snapshot = NULL;
}
insave = false;
I_FreezeTime(false);
}
//
// DEMO RECORDING
//
void G_ReadDemoTiccmd (ticcmd_t *cmd, int player)
{
int id = DEM_BAD;
while (id != DEM_USERCMD && id != DEM_EMPTYUSERCMD)
{
if (!demorecording && demo_p >= zdembodyend)
{
// nothing left in the BODY chunk, so end playback.
G_CheckDemoStatus ();
break;
}
id = ReadByte (&demo_p);
switch (id)
{
case DEM_STOP:
// end of demo stream
G_CheckDemoStatus ();
break;
case DEM_USERCMD:
UnpackUserCmd (&cmd->ucmd, &cmd->ucmd, &demo_p);
break;
case DEM_EMPTYUSERCMD:
// leave cmd->ucmd unchanged
break;
case DEM_DROPPLAYER:
{
BYTE i = ReadByte (&demo_p);
if (i < MAXPLAYERS)
{
playeringame[i] = false;
}
}
break;
default:
Net_DoCommand (id, &demo_p, player);
break;
}
}
}
bool stoprecording;
CCMD (stop)
{
stoprecording = true;
}
extern BYTE *lenspot;
void G_WriteDemoTiccmd (ticcmd_t *cmd, int player, int buf)
{
BYTE *specdata;
int speclen;
if (stoprecording)
{ // use "stop" console command to end demo recording
G_CheckDemoStatus ();
if (!netgame)
{
gameaction = ga_fullconsole;
}
return;
}
// [RH] Write any special "ticcmds" for this player to the demo
if ((specdata = NetSpecs[player][buf].GetData (&speclen)) && gametic % ticdup == 0)
{
memcpy (demo_p, specdata, speclen);
demo_p += speclen;
NetSpecs[player][buf].SetData (NULL, 0);
}
// [RH] Now write out a "normal" ticcmd.
WriteUserCmdMessage (&cmd->ucmd, &players[player].cmd.ucmd, &demo_p);
// [RH] Bigger safety margin
if (demo_p > demobuffer + maxdemosize - 64)
{
ptrdiff_t pos = demo_p - demobuffer;
ptrdiff_t spot = lenspot - demobuffer;
ptrdiff_t comp = democompspot - demobuffer;
ptrdiff_t body = demobodyspot - demobuffer;
// [RH] Allocate more space for the demo
maxdemosize += 0x20000;
demobuffer = (BYTE *)M_Realloc (demobuffer, maxdemosize);
demo_p = demobuffer + pos;
lenspot = demobuffer + spot;
democompspot = demobuffer + comp;
demobodyspot = demobuffer + body;
}
}
//
// G_RecordDemo
//
void G_RecordDemo (const char* name)
{
usergame = false;
demoname = name;
FixPathSeperator (demoname);
DefaultExtension (demoname, ".lmp");
maxdemosize = 0x20000;
demobuffer = (BYTE *)M_Malloc (maxdemosize);
demorecording = true;
}
// [RH] Demos are now saved as IFF FORMs. I've also removed support
// for earlier ZDEMs since I didn't want to bother supporting
// something that probably wasn't used much (if at all).
void G_BeginRecording (const char *startmap)
{
int i;
if (startmap == NULL)
{
startmap = level.MapName;
}
demo_p = demobuffer;
WriteLong (FORM_ID, &demo_p); // Write FORM ID
demo_p += 4; // Leave space for len
WriteLong (ZDEM_ID, &demo_p); // Write ZDEM ID
// Write header chunk
StartChunk (ZDHD_ID, &demo_p);
WriteWord (DEMOGAMEVERSION, &demo_p); // Write ZDoom version
*demo_p++ = 2; // Write minimum version needed to use this demo.
*demo_p++ = 3; // (Useful?)
strcpy((char*)demo_p, startmap); // Write name of map demo was recorded on.
demo_p += strlen(startmap) + 1;
WriteLong(rngseed, &demo_p); // Write RNG seed
*demo_p++ = consoleplayer;
FinishChunk (&demo_p);
// Write player info chunks
for (i = 0; i < MAXPLAYERS; i++)
{
if (playeringame[i])
{
StartChunk (UINF_ID, &demo_p);
WriteByte ((BYTE)i, &demo_p);
D_WriteUserInfoStrings (i, &demo_p);
FinishChunk (&demo_p);
}
}
// It is possible to start a "multiplayer" game with only one player,
// so checking the number of players when playing back the demo is not
// enough.
if (multiplayer)
{
StartChunk (NETD_ID, &demo_p);
FinishChunk (&demo_p);
}
// Write cvars chunk
StartChunk (VARS_ID, &demo_p);
C_WriteCVars (&demo_p, CVAR_SERVERINFO|CVAR_DEMOSAVE);
FinishChunk (&demo_p);
// Write weapon ordering chunk
StartChunk (WEAP_ID, &demo_p);
P_WriteDemoWeaponsChunk(&demo_p);
FinishChunk (&demo_p);
// Indicate body is compressed
StartChunk (COMP_ID, &demo_p);
democompspot = demo_p;
WriteLong (0, &demo_p);
FinishChunk (&demo_p);
// Begin BODY chunk
StartChunk (BODY_ID, &demo_p);
demobodyspot = demo_p;
}
//
// G_PlayDemo
//
FString defdemoname;
void G_DeferedPlayDemo (const char *name)
{
defdemoname = name;
gameaction = (gameaction == ga_loadgame) ? ga_loadgameplaydemo : ga_playdemo;
}
CCMD (playdemo)
{
if (netgame)
{
Printf("End your current netgame first!");
return;
}
if (demorecording)
{
Printf("End your current demo first!");
return;
}
if (argv.argc() > 1)
{
G_DeferedPlayDemo (argv[1]);
singledemo = true;
}
}
CCMD (timedemo)
{
if (argv.argc() > 1)
{
G_TimeDemo (argv[1]);
singledemo = true;
}
}
// [RH] Process all the information in a FORM ZDEM
// until a BODY chunk is entered.
bool G_ProcessIFFDemo (FString &mapname)
{
bool headerHit = false;
bool bodyHit = false;
int numPlayers = 0;
int id, len, i;
uLong uncompSize = 0;
BYTE *nextchunk;
demoplayback = true;
for (i = 0; i < MAXPLAYERS; i++)
playeringame[i] = 0;
len = ReadLong (&demo_p);
zdemformend = demo_p + len + (len & 1);
// Check to make sure this is a ZDEM chunk file.
// TODO: Support multiple FORM ZDEMs in a CAT. Might be useful.
id = ReadLong (&demo_p);
if (id != ZDEM_ID)
{
Printf ("Not a " GAMENAME " demo file!\n");
return true;
}
// Process all chunks until a BODY chunk is encountered.
while (demo_p < zdemformend && !bodyHit)
{
id = ReadLong (&demo_p);
len = ReadLong (&demo_p);
nextchunk = demo_p + len + (len & 1);
if (nextchunk > zdemformend)
{
Printf ("Demo is mangled!\n");
return true;
}
switch (id)
{
case ZDHD_ID:
headerHit = true;
demover = ReadWord (&demo_p); // ZDoom version demo was created with
if (demover < MINDEMOVERSION)
{
Printf ("Demo requires an older version of " GAMENAME "!\n");
//return true;
}
if (ReadWord (&demo_p) > DEMOGAMEVERSION) // Minimum ZDoom version
{
Printf ("Demo requires a newer version of " GAMENAME "!\n");
return true;
}
if (demover >= 0x21a)
{
mapname = (char*)demo_p;
demo_p += mapname.Len() + 1;
}
else
{
mapname = FString((char*)demo_p, 8);
demo_p += 8;
}
rngseed = ReadLong (&demo_p);
// Only reset the RNG if this demo is not in conjunction with a savegame.
if (mapname[0] != 0)
{
FRandom::StaticClearRandom ();
}
consoleplayer = *demo_p++;
break;
case VARS_ID:
C_ReadCVars (&demo_p);
break;
case UINF_ID:
i = ReadByte (&demo_p);
if (!playeringame[i])
{
playeringame[i] = 1;
numPlayers++;
}
D_ReadUserInfoStrings (i, &demo_p, false);
break;
case NETD_ID:
multiplayer = true;
break;
case WEAP_ID:
P_ReadDemoWeaponsChunk(&demo_p);
break;
case BODY_ID:
bodyHit = true;
zdembodyend = demo_p + len;
break;
case COMP_ID:
uncompSize = ReadLong (&demo_p);
break;
}
if (!bodyHit)
demo_p = nextchunk;
}
if (!headerHit)
{
Printf ("Demo has no header!\n");
return true;
}
if (!numPlayers)
{
Printf ("Demo has no players!\n");
return true;
}
if (!bodyHit)
{
zdembodyend = NULL;
Printf ("Demo has no BODY chunk!\n");
return true;
}
if (numPlayers > 1)
multiplayer = netgame = true;
if (uncompSize > 0)
{
BYTE *uncompressed = new BYTE[uncompSize];
int r = uncompress (uncompressed, &uncompSize, demo_p, uLong(zdembodyend - demo_p));
if (r != Z_OK)
{
Printf ("Could not decompress demo! %s\n", M_ZLibError(r).GetChars());
delete[] uncompressed;
return true;
}
M_Free (demobuffer);
zdembodyend = uncompressed + uncompSize;
demobuffer = demo_p = uncompressed;
}
return false;
}
void G_DoPlayDemo (void)
{
FString mapname;
int demolump;
gameaction = ga_nothing;
// [RH] Allow for demos not loaded as lumps
demolump = Wads.CheckNumForFullName (defdemoname, true);
if (demolump >= 0)
{
int demolen = Wads.LumpLength (demolump);
demobuffer = (BYTE *)M_Malloc(demolen);
Wads.ReadLump (demolump, demobuffer);
}
else
{
FixPathSeperator (defdemoname);
DefaultExtension (defdemoname, ".lmp");
M_ReadFileMalloc (defdemoname, &demobuffer);
}
demo_p = demobuffer;
Printf ("Playing demo %s\n", defdemoname.GetChars());
C_BackupCVars (); // [RH] Save cvars that might be affected by demo
if (ReadLong (&demo_p) != FORM_ID)
{
const char *eek = "Cannot play non-" GAMENAME " demos.\n";
C_ForgetCVars();
M_Free(demobuffer);
demo_p = demobuffer = NULL;
if (singledemo)
{
I_Error ("%s", eek);
}
else
{
Printf (PRINT_BOLD, "%s", eek);
gameaction = ga_nothing;
}
}
else if (G_ProcessIFFDemo (mapname))
{
C_RestoreCVars();
gameaction = ga_nothing;
demoplayback = false;
}
else
{
// don't spend a lot of time in loadlevel
precache = false;
demonew = true;
if (mapname.Len() != 0)
{
G_InitNew (mapname, false);
}
else if (numsectors == 0)
{
I_Error("Cannot play demo without its savegame\n");
}
C_HideConsole ();
demonew = false;
precache = true;
usergame = false;
demoplayback = true;
}
}
//
// G_TimeDemo
//
void G_TimeDemo (const char* name)
{
nodrawers = !!Args->CheckParm ("-nodraw");
noblit = !!Args->CheckParm ("-noblit");
timingdemo = true;
singletics = true;
defdemoname = name;
gameaction = (gameaction == ga_loadgame) ? ga_loadgameplaydemo : ga_playdemo;
}
/*
===================
=
= G_CheckDemoStatus
=
= Called after a death or level completion to allow demos to be cleaned up
= Returns true if a new demo loop action will take place
===================
*/
bool G_CheckDemoStatus (void)
{
if (!demorecording)
{ // [RH] Restore the player's userinfo settings.
D_SetupUserInfo();
}
if (demoplayback)
{
extern int starttime;
int endtime = 0;
if (timingdemo)
endtime = I_GetTime (false) - starttime;
C_RestoreCVars (); // [RH] Restore cvars demo might have changed
M_Free (demobuffer);
demobuffer = NULL;
P_SetupWeapons_ntohton();
demoplayback = false;
netgame = false;
multiplayer = false;
singletics = false;
for (int i = 1; i < MAXPLAYERS; i++)
playeringame[i] = 0;
consoleplayer = 0;
players[0].camera = NULL;
if (StatusBar != NULL)
{
StatusBar->AttachToPlayer (&players[0]);
}
if (singledemo || timingdemo)
{
if (timingdemo)
{
// Trying to get back to a stable state after timing a demo
// seems to cause problems. I don't feel like fixing that
// right now.
I_FatalError ("timed %i gametics in %i realtics (%.1f fps)\n"
"(This is not really an error.)", gametic,
endtime, (float)gametic/(float)endtime*(float)TICRATE);
}
else
{
Printf ("Demo ended.\n");
}
gameaction = ga_fullconsole;
timingdemo = false;
return false;
}
else
{
D_AdvanceDemo ();
}
return true;
}
if (demorecording)
{
BYTE *formlen;
WriteByte (DEM_STOP, &demo_p);
if (demo_compress)
{
// Now that the entire BODY chunk has been created, replace it with
// a compressed version. If the BODY successfully compresses, the
// contents of the COMP chunk will be changed to indicate the
// uncompressed size of the BODY.
uLong len = uLong(demo_p - demobodyspot);
uLong outlen = (len + len/100 + 12);
Byte *compressed = new Byte[outlen];
int r = compress2 (compressed, &outlen, demobodyspot, len, 9);
if (r == Z_OK && outlen < len)
{
formlen = democompspot;
WriteLong (len, &democompspot);
memcpy (demobodyspot, compressed, outlen);
demo_p = demobodyspot + outlen;
}
delete[] compressed;
}
FinishChunk (&demo_p);
formlen = demobuffer + 4;
WriteLong (int(demo_p - demobuffer - 8), &formlen);
bool saved = M_WriteFile (demoname, demobuffer, int(demo_p - demobuffer));
M_Free (demobuffer);
demorecording = false;
stoprecording = false;
if (saved)
{
Printf ("Demo %s recorded\n", demoname.GetChars());
}
else
{
Printf ("Demo %s could not be saved\n", demoname.GetChars());
}
}
return false;
}
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