diff options
Diffstat (limited to '')
-rw-r--r-- | src/others/mimesh/libg3d-0.0.8/plugins/import/imp_flt/imp_flt.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_flt/imp_flt.c b/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_flt/imp_flt.c new file mode 100644 index 0000000..6a92b5a --- /dev/null +++ b/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_flt/imp_flt.c | |||
@@ -0,0 +1,175 @@ | |||
1 | /* $Id$ */ | ||
2 | |||
3 | /* | ||
4 | libg3d - 3D object loading library | ||
5 | |||
6 | Copyright (C) 2005-2009 Markus Dahms <mad@automagically.de> | ||
7 | |||
8 | This library is free software; you can redistribute it and/or | ||
9 | modify it under the terms of the GNU Lesser General Public | ||
10 | License as published by the Free Software Foundation; either | ||
11 | version 2.1 of the License, or (at your option) any later version. | ||
12 | |||
13 | This library is distributed in the hope that it will be useful, | ||
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | Lesser General Public License for more details. | ||
17 | |||
18 | You should have received a copy of the GNU Lesser General Public | ||
19 | License along with this library; if not, write to the Free Software | ||
20 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
21 | */ | ||
22 | |||
23 | #include <g3d/types.h> | ||
24 | #include <g3d/context.h> | ||
25 | #include <g3d/stream.h> | ||
26 | #include <g3d/material.h> | ||
27 | #include <g3d/model.h> | ||
28 | #include <g3d/matrix.h> | ||
29 | |||
30 | #include "imp_flt_opcodes.h" | ||
31 | |||
32 | FltOpcode *flt_opcode_info(guint32 opcode); | ||
33 | |||
34 | EAPI | ||
35 | gboolean plugin_load_model_from_stream(G3DContext *context, G3DStream *stream, | ||
36 | G3DModel *model, gpointer user_data) | ||
37 | { | ||
38 | guint16 opcode, rlen; | ||
39 | FltOpcode *oi; | ||
40 | FltGlobalData *gd; | ||
41 | FltLocalData *ld; | ||
42 | G3DObject *g3dobj = NULL; | ||
43 | gpointer level_object = NULL; | ||
44 | gchar *pad; | ||
45 | G3DFloat prev_pcnt = 0.0, pcnt; | ||
46 | G3DMatrix rmatrix[16]; | ||
47 | |||
48 | gd = g_new0(FltGlobalData, 1); | ||
49 | gd->context = context; | ||
50 | gd->model = model; | ||
51 | gd->stream = stream; | ||
52 | gd->oqueue = g_queue_new(); | ||
53 | |||
54 | while(!g3d_stream_eof(stream)) { | ||
55 | /* get record information */ | ||
56 | opcode = g3d_stream_read_int16_be(stream); | ||
57 | rlen = g3d_stream_read_int16_be(stream); | ||
58 | |||
59 | /* create local data */ | ||
60 | ld = g_new0(FltLocalData, 1); | ||
61 | ld->opcode = opcode; | ||
62 | ld->nb = rlen - 4; | ||
63 | ld->g3dobj = g3dobj; | ||
64 | ld->level_object = level_object; | ||
65 | |||
66 | if(opcode == 0) { | ||
67 | /* end of file or error */ | ||
68 | break; | ||
69 | } | ||
70 | |||
71 | oi = flt_opcode_info(opcode); | ||
72 | |||
73 | pad = g_strnfill(gd->level, ' '); | ||
74 | g_debug("\\%s[%04d][%c] %8d: %s", pad, opcode, | ||
75 | oi ? (oi->callback ? 'f' : ' ') : ' ', | ||
76 | rlen, | ||
77 | oi ? oi->description : "unknown"); | ||
78 | g_free(pad); | ||
79 | |||
80 | if(oi && oi->callback) | ||
81 | oi->callback(gd, ld); | ||
82 | |||
83 | /* skip remaining bytes */ | ||
84 | if(ld->nb > 0) | ||
85 | g3d_stream_skip(stream, ld->nb); | ||
86 | |||
87 | /* free local data */ | ||
88 | g3dobj = ld->g3dobj; | ||
89 | level_object = ld->level_object; | ||
90 | g_free(ld); | ||
91 | |||
92 | /* update caller */ | ||
93 | pcnt = (G3DFloat)g3d_stream_tell(stream) / | ||
94 | (G3DFloat)g3d_stream_size(stream); | ||
95 | if((pcnt - prev_pcnt) > 0.002) { | ||
96 | prev_pcnt = pcnt; | ||
97 | g3d_context_update_progress_bar(context, pcnt, TRUE); | ||
98 | } | ||
99 | g3d_context_update_interface(context); | ||
100 | } | ||
101 | |||
102 | g_queue_free(gd->oqueue); | ||
103 | if(gd->vertex_palette) { | ||
104 | g_free(gd->vertex_palette->offsets); | ||
105 | g_free(gd->vertex_palette->flags); | ||
106 | g_free(gd->vertex_palette->vertex_data); | ||
107 | g_free(gd->vertex_palette->normal_data); | ||
108 | g_free(gd->vertex_palette->tex_vertex_data); | ||
109 | g_free(gd->vertex_palette->vertex_materials); | ||
110 | g_free(gd->vertex_palette); | ||
111 | } | ||
112 | if(gd->texture_palette) { | ||
113 | g_free(gd->texture_palette->offsets); | ||
114 | g_free(gd->texture_palette->textures); | ||
115 | g_free(gd->texture_palette); | ||
116 | } | ||
117 | g_free(gd); | ||
118 | |||
119 | g3d_matrix_identity(rmatrix); | ||
120 | g3d_matrix_rotate_xyz(G_PI * -90.0 / 180, 0.0, 0.0, rmatrix); | ||
121 | g3d_model_transform(model, rmatrix); | ||
122 | |||
123 | return TRUE; | ||
124 | } | ||
125 | |||
126 | EAPI | ||
127 | gchar *plugin_description(G3DContext *context) | ||
128 | { | ||
129 | return g_strdup("OpenFlight models."); | ||
130 | } | ||
131 | |||
132 | EAPI | ||
133 | gchar **plugin_extensions(G3DContext *context) | ||
134 | { | ||
135 | return g_strsplit("flt", ":", 0); | ||
136 | } | ||
137 | |||
138 | /* | ||
139 | * FLT specific | ||
140 | */ | ||
141 | |||
142 | FltOpcode *flt_opcode_info(guint32 opcode) | ||
143 | { | ||
144 | guint32 i; | ||
145 | |||
146 | for(i = 0; flt_opcodes[i].opcode != 0; i ++) | ||
147 | if(flt_opcodes[i].opcode == opcode) | ||
148 | return &(flt_opcodes[i]); | ||
149 | return NULL; | ||
150 | } | ||
151 | |||
152 | guint32 flt_read_typed_index(G3DStream *stream, guint32 type, gint32 *len) | ||
153 | { | ||
154 | guint32 val = 0; | ||
155 | |||
156 | switch(type) { | ||
157 | case 1: | ||
158 | val = g3d_stream_read_int8(stream); | ||
159 | *len -= 1; | ||
160 | break; | ||
161 | case 2: | ||
162 | val = g3d_stream_read_int16_be(stream); | ||
163 | *len -= 2; | ||
164 | break; | ||
165 | case 4: | ||
166 | val = g3d_stream_read_int32_be(stream); | ||
167 | *len -= 4; | ||
168 | break; | ||
169 | default: | ||
170 | g_warning("FLT: unknown index type %d\n", type); | ||
171 | break; | ||
172 | } | ||
173 | return val; | ||
174 | } | ||
175 | |||