summaryrefslogtreecommitdiff
path: root/src/i_system.c
blob: bf8daa3af6c81ed2fa7a63aa9c104fea14471d6e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
// Emacs style mode select   -*- C++ -*- 
//-----------------------------------------------------------------------------
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005 Simon Howard
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//
// DESCRIPTION:
//
//-----------------------------------------------------------------------------



#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <stdarg.h>
#include <SDL.h>

#include "deh_main.h"
#include "doomdef.h"
#include "m_argv.h"
#include "m_misc.h"
#include "i_sound.h"
#include "i_timer.h"
#include "i_video.h"

#include "d_net.h"
#include "g_game.h"

#include "i_system.h"
#include "txt_main.h"


#include "w_wad.h"
#include "z_zone.h"


int	mb_used = 16;
int     show_endoom = 1;

void
I_Tactile
( int	on,
  int	off,
  int	total )
{
  // UNUSED.
  on = off = total = 0;
}

ticcmd_t	emptycmd;
ticcmd_t*	I_BaseTiccmd(void)
{
    return &emptycmd;
}


int  I_GetHeapSize (void)
{
    int p;

    p = M_CheckParm("-mb");
    
    if (p > 0)
    {
        mb_used = atoi(myargv[p+1]);
    }
    
    return mb_used*1024*1024;
}

byte *I_ZoneBase (int *size)
{
    byte *zonemem;

    *size = I_GetHeapSize();

    zonemem = malloc(*size);
    
    printf("zone memory: %p, %x allocated for zone\n", 
           zonemem, *size);

    return zonemem;
}



//
// I_Init
//
void I_Init (void)
{
    I_InitSound();
    I_InitMusic();
    I_InitTimer();
}

// 
// Displays the text mode ending screen after the game quits
//

void I_Endoom(void)
{
    unsigned char *endoom_data;
    unsigned char *screendata;

    endoom_data = W_CacheLumpName(DEH_String("ENDOOM"), PU_STATIC);

    // Set up text mode screen

    TXT_Init();

    // Make sure the new window has the right title and icon
 
    I_SetWindowCaption();
    I_SetWindowIcon();
    
    // Write the data to the screen memory
  
    screendata = TXT_GetScreenData();
    memcpy(screendata, endoom_data, 4000);

    // Wait for a keypress

    while (true)
    {
        TXT_UpdateScreen();

        if (TXT_GetChar() >= 0)
        {
            break;
        }
        
        TXT_Sleep(0);
    }
    
    // Shut down text mode screen

    TXT_Shutdown();
}

//
// I_Quit
//
void I_Quit (void)
{
    D_QuitNetGame ();
    G_CheckDemoStatus();
    I_ShutdownSound();
    I_ShutdownMusic();
    M_SaveDefaults ();
    I_ShutdownGraphics();

    if (show_endoom && !testcontrols)
    {
        I_Endoom();
    }

    exit(0);
}

void I_WaitVBL(int count)
{
    SDL_Delay((count * 1000) / 70);
}

byte*	I_AllocLow(int length)
{
    byte*	mem;
        
    mem = (byte *)malloc (length);
    memset (mem,0,length);
    return mem;
}


//
// I_Error
//
extern boolean demorecording;

static boolean already_quitting = false;

void I_Error (char *error, ...)
{
    va_list	argptr;

    if (already_quitting)
    {
        fprintf(stderr, "Warning: recursive call to I_Error detected.\n");
        exit(-1);
    }
    else
    {
        already_quitting = true;
    }
    
    // Message first.
    va_start (argptr,error);
    fprintf (stderr, "Error: ");
    vfprintf (stderr,error,argptr);
    fprintf (stderr, "\n");
    va_end (argptr);

    fflush( stderr );

    // Shutdown. Here might be other errors.
    if (demorecording)
	G_CheckDemoStatus();

    D_QuitNetGame ();
    I_ShutdownGraphics();
    
    exit(-1);
}