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diff --git a/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_iob/imp_iob_callbacks.c b/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_iob/imp_iob_callbacks.c
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+++ b/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_iob/imp_iob_callbacks.c
@@ -0,0 +1,347 @@
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#include <g3d/iff.h>
23#include <g3d/stream.h>
24#include <g3d/material.h>
25
26#include "imp_iob.h"
27
28gboolean iob_cb_xLSx(G3DIffGlobal *global, G3DIffLocal *local)
29{
30 G3DObject *object;
31 G3DMaterial *material;
32 G3DFace *face;
33 gint32 i, nitems;
34
35 object = (G3DObject *)local->object;
36 g_return_val_if_fail(object != NULL, FALSE);
37
38 if((local->id & 0xFF) == '2')
39 {
40 nitems = g3d_stream_read_int32_be(global->stream);
41 local->nb -= 4;
42 }
43 else
44 {
45 nitems = g3d_stream_read_int16_be(global->stream);
46 local->nb -= 2;
47 }
48
49 for(i = 0; i < nitems; i ++)
50 {
51 /* TODO: find material by parameters, don't create too much
52 * materials */
53
54 /* default material + nth */
55 material = g_slist_nth_data(object->materials, i + 1);
56 if(material == NULL)
57 {
58 material = g3d_material_new();
59 material->flags |= G3D_FLAG_MAT_TWOSIDE;
60 material->name = g_strdup_printf("per face material #%d", i);
61 object->materials = g_slist_append(object->materials, material);
62
63 /* assign to face */
64 face = g_slist_nth_data(object->faces, i);
65 if(face)
66 face->material = material;
67 }
68
69 switch(local->id)
70 {
71 case G3D_IFF_MKID('C', 'L', 'S', 'T'):
72 case G3D_IFF_MKID('C', 'L', 'S', '2'):
73 material->r = (G3DFloat)g3d_stream_read_int8(global->stream) / 255.0;
74 material->g = (G3DFloat)g3d_stream_read_int8(global->stream) / 255.0;
75 material->b = (G3DFloat)g3d_stream_read_int8(global->stream) / 255.0;
76 break;
77
78 case G3D_IFF_MKID('R', 'L', 'S', 'T'):
79 case G3D_IFF_MKID('R', 'L', 'S', '2'):
80 material->specular[0] =
81 (GLfloat)g3d_stream_read_int8(global->stream) / 255.0;
82 material->specular[1] =
83 (GLfloat)g3d_stream_read_int8(global->stream) / 255.0;
84 material->specular[2] =
85 (GLfloat)g3d_stream_read_int8(global->stream) / 255.0;
86 break;
87
88 case G3D_IFF_MKID('T', 'L', 'S', 'T'):
89 case G3D_IFF_MKID('T', 'L', 'S', '2'):
90 material->a = 1.0 - (
91 (G3DFloat)g3d_stream_read_int8(global->stream) / 255.0 +
92 (G3DFloat)g3d_stream_read_int8(global->stream) / 255.0 +
93 (G3DFloat)g3d_stream_read_int8(global->stream) / 255.0) / 3.0;
94 break;
95 }
96
97 local->nb -= 3;
98 }
99
100 return TRUE;
101}
102
103gboolean iob_cb_COLR(G3DIffGlobal *global, G3DIffLocal *local)
104{
105 G3DObject *object;
106 G3DMaterial *material;
107
108 object = (G3DObject *)local->object;
109 g_return_val_if_fail(object != NULL, FALSE);
110
111 material = g_slist_nth_data(object->materials, 0);
112 g_return_val_if_fail(material != NULL, FALSE);
113
114 g3d_stream_read_int8(global->stream);
115 material->r = (float)g3d_stream_read_int8(global->stream) / 255.0;
116 material->g = (float)g3d_stream_read_int8(global->stream) / 255.0;
117 material->b = (float)g3d_stream_read_int8(global->stream) / 255.0;
118 local->nb -= 4;
119
120 return TRUE;
121}
122
123gboolean iob_cb_DESC(G3DIffGlobal *global, G3DIffLocal *local)
124{
125 G3DObject *object;
126 G3DMaterial *material;
127
128 if(local->finalize) return TRUE;
129
130 object = g_new0(G3DObject, 1);
131 global->model->objects = g_slist_append(global->model->objects, object);
132
133 material = g3d_material_new();
134 material->flags |= G3D_FLAG_MAT_TWOSIDE;
135 material->name = g_strdup("(default material)");
136
137 object->materials = g_slist_append(object->materials, material);
138
139 local->object = object;
140
141 return TRUE;
142}
143
144gboolean iob_cb_EDGx(G3DIffGlobal *global, G3DIffLocal *local)
145{
146 G3DObject *object;
147 gint32 i, nedges;
148 gint32 *edges;
149
150 object = (G3DObject *)local->object;
151 g_return_val_if_fail(object != NULL, FALSE);
152
153 if(local->id == G3D_IFF_MKID('E','D','G','E'))
154 {
155 nedges = g3d_stream_read_int16_be(global->stream);
156 local->nb -= 2;
157 }
158 else
159 {
160 nedges = g3d_stream_read_int32_be(global->stream);
161 local->nb -= 4;
162 }
163
164 edges = g_malloc(nedges * 2 * sizeof(gint32));
165 for(i = 0; i < nedges; i ++)
166 {
167 if(local->id == G3D_IFF_MKID('E','D','G','E'))
168 {
169 edges[i * 2 + 0] = g3d_stream_read_int16_be(global->stream);
170 edges[i * 2 + 1] = g3d_stream_read_int16_be(global->stream);
171 local->nb -= 4;
172 }
173 else
174 {
175 edges[i * 2 + 0] = g3d_stream_read_int32_be(global->stream);
176 edges[i * 2 + 1] = g3d_stream_read_int32_be(global->stream);
177 local->nb -= 8;
178 }
179 }
180
181 local->level_object = edges;
182
183 return TRUE;
184}
185
186gboolean iob_cb_FACx(G3DIffGlobal *global, G3DIffLocal *local)
187{
188 G3DObject *object;
189 gint32 *edges, e[3], v1, v2, v3;
190 gint32 i, nfaces;
191
192 object = (G3DObject *)local->object;
193 g_return_val_if_fail(object != NULL, FALSE);
194
195 /* edges are read in EDGE/EDG2 chunk */
196 edges = (gint32 *)local->level_object;
197 g_return_val_if_fail(edges != NULL, FALSE);
198
199 if(local->id == G3D_IFF_MKID('F','A','C','E'))
200 {
201 nfaces = g3d_stream_read_int16_be(global->stream);
202 local->nb -= 2;
203 }
204 else
205 {
206 nfaces = g3d_stream_read_int32_be(global->stream);
207 local->nb -= 4;
208 }
209
210 for(i = 0; i < nfaces; i ++)
211 {
212 G3DFace *face = g_new0(G3DFace, 1);
213 face->vertex_count = 3;
214 face->vertex_indices = g_new0(guint32, 3);
215
216 if(local->id == G3D_IFF_MKID('F','A','C','E'))
217 {
218 e[0] = g3d_stream_read_int16_be(global->stream);
219 e[1] = g3d_stream_read_int16_be(global->stream);
220 e[2] = g3d_stream_read_int16_be(global->stream);
221 local->nb -= 6;
222 }
223 else
224 {
225 e[0] = g3d_stream_read_int32_be(global->stream);
226 e[1] = g3d_stream_read_int32_be(global->stream);
227 e[2] = g3d_stream_read_int32_be(global->stream);
228 local->nb -= 12;
229 }
230
231 face->vertex_indices[0] = v1 = edges[e[0] * 2 + 0];
232 face->vertex_indices[1] = v2 = edges[e[0] * 2 + 1];
233 if((v1 != edges[e[1] * 2 + 0]) && (v2 != edges[e[1] * 2 + 0]))
234 v3 = edges[e[1] * 2 + 0];
235 else if((v1 != edges[e[1] * 2 + 1]) && (v2 != edges[e[1] * 2 + 1]))
236 v3 = edges[e[1] * 2 + 1];
237 else if((v1 != edges[e[2] * 2 + 0]) && (v2 != edges[e[2] * 2 + 0]))
238 v3 = edges[e[2] * 2 + 0];
239 else
240 v3 = edges[e[2] * 2 + 1];
241
242 face->vertex_indices[2] = v3;
243
244 face->material = g_slist_nth_data(object->materials, 0);
245 object->faces = g_slist_append(object->faces, face);
246 }
247
248 /* free edges now */
249 g_free(edges);
250 local->level_object = NULL;
251
252 return TRUE;
253}
254
255gboolean iob_cb_NAME(G3DIffGlobal *global, G3DIffLocal *local)
256{
257 G3DObject *object;
258 gchar buffer[512];
259
260 object = (G3DObject *)local->object;
261 g_return_val_if_fail(object != NULL, FALSE);
262
263 g3d_stream_read(global->stream, buffer, local->nb);
264
265 object->name = g_convert(buffer, local->nb,
266 "UTF-8", "ISO-8859-1",
267 NULL, NULL, NULL);
268
269 local->nb = 0;
270
271 return TRUE;
272}
273
274gboolean iob_cb_PNTx(G3DIffGlobal *global, G3DIffLocal *local)
275{
276 G3DObject *object;
277 gint32 i;
278
279 object = (G3DObject *)local->object;
280 g_return_val_if_fail(object != NULL, FALSE);
281
282 if(local->id == G3D_IFF_MKID('P','N','T','S'))
283 {
284 object->vertex_count = g3d_stream_read_int16_be(global->stream);
285 local->nb -= 2;
286 }
287 else
288 {
289 object->vertex_count = g3d_stream_read_int32_be(global->stream);
290 local->nb -= 4;
291 }
292
293 object->vertex_data = g_new0(G3DFloat, object->vertex_count * 3);
294
295 for(i = 0; i < object->vertex_count; i ++)
296 {
297 object->vertex_data[i * 3 + 0] = iob_read_fract(global->stream);
298 object->vertex_data[i * 3 + 1] = iob_read_fract(global->stream);
299 object->vertex_data[i * 3 + 2] = iob_read_fract(global->stream);
300 local->nb -= 12;
301 }
302
303 return TRUE;
304}
305
306gboolean iob_cb_REFL(G3DIffGlobal *global, G3DIffLocal *local)
307{
308 G3DObject *object;
309 G3DMaterial *material;
310 gint32 i;
311
312 object = (G3DObject *)local->object;
313 g_return_val_if_fail(object != NULL, FALSE);
314
315 material = g_slist_nth_data(object->materials, 0);
316 g_return_val_if_fail(material != NULL, FALSE);
317
318 g3d_stream_read_int8(global->stream);
319 for(i = 0; i < 3; i ++)
320 material->specular[i] =
321 (GLfloat)g3d_stream_read_int8(global->stream) / 255.0;
322 local->nb -= 4;
323
324 return TRUE;
325}
326
327gboolean iob_cb_TRAN(G3DIffGlobal *global, G3DIffLocal *local)
328{
329 G3DObject *object;
330 G3DMaterial *material;
331
332 object = (G3DObject *)local->object;
333 g_return_val_if_fail(object != NULL, FALSE);
334
335 material = g_slist_nth_data(object->materials, 0);
336 g_return_val_if_fail(material != NULL, FALSE);
337
338 g3d_stream_read_int8(global->stream);
339 material->a = 1.0 - (
340 (G3DFloat)g3d_stream_read_int8(global->stream) / 255.0 +
341 (G3DFloat)g3d_stream_read_int8(global->stream) / 255.0 +
342 (G3DFloat)g3d_stream_read_int8(global->stream) / 255.0) / 3.0;
343 local->nb -= 4;
344
345 return TRUE;
346}
347
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