summaryrefslogtreecommitdiff
path: root/src/deh_frame.c
blob: 2204579b3040ad00c0bdf4b2cf9d66f1be42e6ac (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
// Emacs style mode select   -*- C++ -*- 
//-----------------------------------------------------------------------------
//
// 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.
//
//-----------------------------------------------------------------------------
//
// Parses "Frame" sections in dehacked files
//
//-----------------------------------------------------------------------------

#include <stdlib.h>

#include "doomdef.h"
#include "doomtype.h"
#include "info.h"

#include "deh_defs.h"
#include "deh_io.h"
#include "deh_main.h"
#include "deh_mapping.h"

DEH_BEGIN_MAPPING(state_mapping, state_t)
  DEH_MAPPING("Sprite number",    sprite)
  DEH_MAPPING("Sprite subnumber", frame)
  DEH_MAPPING("Duration",         tics)
  DEH_MAPPING("Next frame",       nextstate)
  DEH_MAPPING("Unknown 1",        misc1)
  DEH_MAPPING("Unknown 2",        misc2)
  DEH_UNSUPPORTED_MAPPING("Codep frame")
DEH_END_MAPPING

static void *DEH_FrameStart(deh_context_t *context, char *line)
{
    int frame_number = 0;
    state_t *state;
    
    if (sscanf(line, "Frame %i", &frame_number) != 1)
    {
        DEH_Warning(context, "Parse error on section start");
        return NULL;
    }
    
    if (frame_number < 0 || frame_number >= NUMSTATES)
    {
        DEH_Warning(context, "Invalid frame number: %i", frame_number);
        return NULL;
    }

    if (frame_number >= DEH_VANILLA_NUMSTATES) 
    {
        DEH_Warning(context, "Attempt to modify frame %i: this will cause "
                             "problems in Vanilla dehacked.", frame_number);
    }

    state = &states[frame_number];

    return state;
}

static void DEH_FrameParseLine(deh_context_t *context, char *line, void *tag)
{
    state_t *state;
    char *variable_name, *value;
    int ivalue;
    
    if (tag == NULL)
       return;

    state = (state_t *) tag;

    // Parse the assignment

    if (!DEH_ParseAssignment(line, &variable_name, &value))
    {
        // Failed to parse

        DEH_Warning(context, "Failed to parse assignment");
        return;
    }
    
    // all values are integers

    ivalue = atoi(value);
    
    // set the appropriate field

    DEH_SetMapping(context, &state_mapping, state, variable_name, ivalue);
}

static void DEH_FrameMD5Sum(md5_context_t *context)
{
    int i;

    for (i=0; i<NUMSTATES; ++i)
    {
        DEH_StructMD5Sum(context, &state_mapping, &states[i]);
    }
}

deh_section_t deh_section_frame =
{
    "Frame",
    NULL,
    DEH_FrameStart,
    DEH_FrameParseLine,
    NULL,
    DEH_FrameMD5Sum,
};