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
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "common/scummsys.h"
#include "common/system.h"
#include "common/events.h"
#include "graphics/primitives.h"
#include "sci/gfx/gfx_driver.h"
#include "sci/gfx/gfx_tools.h"
namespace Sci {
struct _scummvm_driver_state {
gfx_pixmap_t *priority[2];
byte *visual[2];
uint8 *pointer_data;
int xsize, ysize;
};
#define S ((struct _scummvm_driver_state *)(drv->state))
int _modifierStates;
static int
scummvm_init_specific(gfx_driver_t *drv, int xfact, int yfact, int bytespp) {
int i;
if (!drv->state) // = S
drv->state = new _scummvm_driver_state;
if (!drv->state)
return GFX_FATAL;
S->xsize = xfact * 320;
S->ysize = yfact * 200;
S->pointer_data = NULL;
//S->buckystate = 0;
for (i = 0; i < 2; i++) {
S->priority[i] = gfx_pixmap_alloc_index_data(gfx_new_pixmap(S->xsize, S->ysize, GFX_RESID_NONE, -i, -777));
if (!S->priority[i]) {
printf("Out of memory: Could not allocate priority maps! (%dx%d)\n", S->xsize, S->ysize);
return GFX_FATAL;
}
}
// create the visual buffers
for (i = 0; i < 2; i++) {
S->visual[i] = NULL;
S->visual[i] = new byte[S->xsize * S->ysize];
if (!S->visual[i]) {
printf("Out of memory: Could not allocate visual buffers! (%dx%d)\n", S->xsize, S->ysize);
return GFX_FATAL;
}
memset(S->visual[i], 0, S->xsize * S->ysize);
}
drv->mode = gfx_new_mode(xfact, yfact, bytespp, 0, 0, 0, 0, 0, 0, 0, 0, 256, 0);
return GFX_OK;
}
static int scummvm_init(gfx_driver_t *drv) {
_modifierStates = 0;
return scummvm_init_specific(drv, 1, 1, GFX_COLOR_MODE_INDEX);
}
static void scummvm_exit(gfx_driver_t *drv) {
int i;
if (S) {
for (i = 0; i < 2; i++) {
gfx_free_pixmap(drv, S->priority[i]);
S->priority[i] = NULL;
}
for (i = 0; i < 2; i++) {
delete[] S->visual[i];
S->visual[i] = NULL;
}
delete[] S->pointer_data;
S->pointer_data = NULL;
delete S;
}
}
// Drawing operations
static void drawProc(int x, int y, int c, void *data) {
gfx_driver_t *drv = (gfx_driver_t *)data;
uint8 *p = S->visual[0];
p[y * 320*drv->mode->xfact + x] = c;
}
static int scummvm_draw_line(gfx_driver_t *drv, Common::Point start, Common::Point end,
gfx_color_t color, gfx_line_mode_t line_mode, gfx_line_style_t line_style) {
uint32 scolor = color.visual.global_index;
int xfact = (line_mode == GFX_LINE_MODE_FINE)? 1: drv->mode->xfact;
int yfact = (line_mode == GFX_LINE_MODE_FINE)? 1: drv->mode->yfact;
int xsize = S->xsize;
int ysize = S->ysize;
if (color.mask & GFX_MASK_VISUAL) {
Common::Point nstart, nend;
for (int xc = 0; xc < xfact; xc++) {
for (int yc = 0; yc < yfact; yc++) {
nstart.x = CLIP<int16>(start.x + xc, 0, xsize);
nstart.y = CLIP<int16>(start.y + yc, 0, ysize);
nend.x = CLIP<int16>(end.x + xc, 0, xsize - 1);
nend.y = CLIP<int16>(end.y + yc, 0, ysize - 1);
Graphics::drawLine(nstart.x, nstart.y, nend.x, nend.y, scolor, drawProc, drv);
if (color.mask & GFX_MASK_PRIORITY) {
gfx_draw_line_pixmap_i(S->priority[0], nstart, nend, color.priority);
}
}
}
}
return GFX_OK;
}
static int scummvm_draw_filled_rect(gfx_driver_t *drv, rect_t rect, gfx_color_t color1, gfx_color_t color2,
gfx_rectangle_fill_t shade_mode) {
if (color1.mask & GFX_MASK_VISUAL) {
for (int i = rect.y; i < rect.y + rect.yl; i++) {
memset(S->visual[0] + i * S->xsize + rect.x, color1.visual.global_index, rect.xl);
}
}
if (color1.mask & GFX_MASK_PRIORITY)
gfx_draw_box_pixmap_i(S->priority[0], rect, color1.priority);
return GFX_OK;
}
// Pixmap operations
static int scummvm_draw_pixmap(gfx_driver_t *drv, gfx_pixmap_t *pxm, int priority,
rect_t src, rect_t dest, gfx_buffer_t buffer) {
int bufnr = (buffer == GFX_BUFFER_STATIC) ? 1 : 0;
if (dest.xl != src.xl || dest.yl != src.yl) {
printf("Attempt to scale pixmap (%dx%d)->(%dx%d): Not supported\n", src.xl, src.yl, dest.xl, dest.yl);
return GFX_ERROR;
}
gfx_crossblit_pixmap(drv->mode, pxm, priority, src, dest, S->visual[bufnr], S->xsize,
S->priority[bufnr]->index_data, S->priority[bufnr]->index_xl, 1, 0);
return GFX_OK;
}
static int scummvm_grab_pixmap(gfx_driver_t *drv, rect_t src, gfx_pixmap_t *pxm, gfx_map_mask_t map) {
if (src.x < 0 || src.y < 0) {
printf("Attempt to grab pixmap from invalid coordinates (%d,%d)\n", src.x, src.y);
return GFX_ERROR;
}
if (!pxm->data) {
printf("Attempt to grab pixmap to unallocated memory\n");
return GFX_ERROR;
}
switch (map) {
case GFX_MASK_VISUAL:
pxm->xl = src.xl;
pxm->yl = src.yl;
for (int i = 0; i < src.yl; i++) {
memcpy(pxm->data + i * src.xl, S->visual[0] + (i + src.y) * S->xsize + src.x, src.xl);
}
break;
case GFX_MASK_PRIORITY:
printf("FIXME: priority map grab not implemented yet!\n");
break;
default:
printf("Attempt to grab pixmap from invalid map 0x%02x\n", map);
return GFX_ERROR;
}
return GFX_OK;
}
// Buffer operations
static int scummvm_update(gfx_driver_t *drv, rect_t src, Common::Point dest, gfx_buffer_t buffer) {
//TODO
/*
if (src.x != dest.x || src.y != dest.y) {
printf("Updating %d (%d,%d)(%dx%d) to (%d,%d) on %d\n", buffer, src.x, src.y, src.xl, src.yl, dest.x, dest.y, data_dest);
} else {
printf("Updating %d (%d,%d)(%dx%d) to %d\n", buffer, src.x, src.y, src.xl, src.yl, data_dest);
}
*/
switch (buffer) {
case GFX_BUFFER_BACK:
for (int i = 0; i < src.yl; i++) {
memcpy(S->visual[0] + (dest.y + i) * S->xsize + dest.x,
S->visual[1] + (src.y + i) * S->xsize + src.x, src.xl);
}
if ((src.x == dest.x) && (src.y == dest.y))
gfx_copy_pixmap_box_i(S->priority[0], S->priority[1], src);
break;
case GFX_BUFFER_FRONT:
g_system->copyRectToScreen(S->visual[0] + src.x + src.y * S->xsize, S->xsize, dest.x, dest.y, src.xl, src.yl);
g_system->updateScreen();
break;
default:
GFXERROR("Invalid buffer %d in update!\n", buffer);
return GFX_ERROR;
}
return GFX_OK;
}
static int scummvm_set_static_buffer(gfx_driver_t *drv, gfx_pixmap_t *pic, gfx_pixmap_t *priority) {
memcpy(S->visual[1], pic->data, S->xsize * S->ysize);
gfx_copy_pixmap_box_i(S->priority[1], priority, gfx_rect(0, 0, S->xsize, S->ysize));
return GFX_OK;
}
// Mouse pointer operations
// Scale cursor and map its colors to the global palette
static uint8 *create_cursor(gfx_driver_t *drv, gfx_pixmap_t *pointer, int mode)
{
int linewidth = pointer->xl;
int lines = pointer->yl;
uint8 *data = new uint8[linewidth*lines];
uint8 *linebase = data, *pos;
uint8 *src = pointer->index_data;
for (int yc = 0; yc < pointer->index_yl; yc++) {
pos = linebase;
for (int xc = 0; xc < pointer->index_xl; xc++) {
uint8 color = *src;
if (color != 255)
color = pointer->colors[color].global_index;
for (int scalectr = 0; scalectr < drv->mode->xfact; scalectr++) {
*pos++ = color;
}
src++;
}
for (int scalectr = 1; scalectr < drv->mode->yfact; scalectr++)
memcpy(linebase + linewidth * scalectr, linebase, linewidth);
linebase += linewidth * drv->mode->yfact;
}
return data;
}
static int scummvm_set_pointer(gfx_driver_t *drv, gfx_pixmap_t *pointer) {
if (pointer == NULL) {
g_system->showMouse(false);
} else {
delete[] S->pointer_data;
S->pointer_data = create_cursor(drv, pointer, 1);
g_system->setMouseCursor(S->pointer_data, pointer->xl, pointer->yl, pointer->xoffset, pointer->yoffset);
g_system->showMouse(true);
}
return GFX_OK;
}
// Palette operations
static int scummvm_set_palette(gfx_driver_t *drv, int index, byte red, byte green, byte blue) {
if (index < 0 || index > 255) {
GFXERROR("Attempt to set invalid palette entry %d\n", index);
return GFX_ERROR;
}
byte color[] = {red, green, blue, 255};
g_system->setPalette(color, index, 1);
return GFX_OK;
}
// Event management
static sci_event_t scummvm_get_event(gfx_driver_t *drv) {
sci_event_t input = { SCI_EVT_NONE, 0, 0, 0 };
Common::EventManager *em = g_system->getEventManager();
Common::Event ev;
bool found = em->pollEvent(ev);
Common::Point p = ev.mouse;
// Don't generate events for mouse movement
while (found && ev.type == Common::EVENT_MOUSEMOVE) {
drv->pointer_x = ev.mouse.x;
drv->pointer_y = ev.mouse.y;
found = em->pollEvent(ev);
}
if (found && !ev.synthetic && ev.type != Common::EVENT_MOUSEMOVE) {
int modifiers = em->getModifierState();
// We add the modifier key status to buckybits
// SDL sends a keydown event if a modifier key is turned on and a keyup event if it's off
//
// FIXME: This code is semi-bogus. It only records the modifier key being *pressed*.
// It does not track correctly whether capslock etc. is active. To do that, we
// would have to record the fact that the modifier was pressed in global var,
// and also watch for Common::EVENT_KEYUP events.
// But this is still not quite good enough, because not all events might
// pass through here (e.g. the GUI might be running with its own event loop).
//
// The best solution likely would be to add code to the EventManager class
// for tracking which keys are pressed and which are not...
if (ev.type == Common::EVENT_KEYDOWN || ev.type == Common::EVENT_KEYUP) {
switch (ev.kbd.keycode) {
case Common::KEYCODE_CAPSLOCK:
if (ev.type == Common::EVENT_KEYDOWN) {
_modifierStates |= SCI_EVM_CAPSLOCK;
} else {
_modifierStates &= ~SCI_EVM_CAPSLOCK;
}
break;
case Common::KEYCODE_NUMLOCK:
if (ev.type == Common::EVENT_KEYDOWN) {
_modifierStates |= SCI_EVM_NUMLOCK;
} else {
_modifierStates &= ~SCI_EVM_NUMLOCK;
}
break;
case Common::KEYCODE_SCROLLOCK:
if (ev.type == Common::EVENT_KEYDOWN) {
_modifierStates |= SCI_EVM_SCRLOCK;
} else {
_modifierStates &= ~SCI_EVM_SCRLOCK;
}
break;
default:
break;
}
}
//TODO: SCI_EVM_INSERT
input.buckybits =
((modifiers & Common::KBD_ALT) ? SCI_EVM_ALT : 0) |
((modifiers & Common::KBD_CTRL) ? SCI_EVM_CTRL : 0) |
((modifiers & Common::KBD_SHIFT) ? SCI_EVM_LSHIFT | SCI_EVM_RSHIFT : 0) |
_modifierStates;
switch (ev.type) {
// Keyboard events
case Common::EVENT_KEYDOWN:
input.data = ev.kbd.keycode;
input.character = ev.kbd.ascii;
if (!(input.data & 0xFF00)) {
// Directly accept most common keys without conversion
input.type = SCI_EVT_KEYBOARD;
if (input.data == Common::KEYCODE_TAB) {
// Tab
input.type = SCI_EVT_KEYBOARD;
input.data = SCI_K_TAB;
if (input.buckybits & (SCI_EVM_LSHIFT | SCI_EVM_RSHIFT))
input.character = SCI_K_SHIFT_TAB;
else
input.character = SCI_K_TAB;
}
} else if ((input.data >= Common::KEYCODE_F1) && input.data <= Common::KEYCODE_F10) {
// F1-F10
input.type = SCI_EVT_KEYBOARD;
// SCI_K_F1 == 59 << 8
// SCI_K_SHIFT_F1 == 84 << 8
input.data = SCI_K_F1 + ((input.data - Common::KEYCODE_F1)<<8);
if (input.buckybits & (SCI_EVM_LSHIFT | SCI_EVM_RSHIFT))
input.character = input.data + SCI_K_SHIFT_F1 - SCI_K_F1;
else
input.character = input.data;
} else {
// Special keys that need conversion
input.type = SCI_EVT_KEYBOARD;
switch (ev.kbd.keycode) {
case Common::KEYCODE_UP:
input.data = SCI_K_UP;
break;
case Common::KEYCODE_DOWN:
input.data = SCI_K_DOWN;
break;
case Common::KEYCODE_RIGHT:
input.data = SCI_K_RIGHT;
break;
case Common::KEYCODE_LEFT:
input.data = SCI_K_LEFT;
break;
case Common::KEYCODE_INSERT:
input.data = SCI_K_INSERT;
break;
case Common::KEYCODE_HOME:
input.data = SCI_K_HOME;
break;
case Common::KEYCODE_END:
input.data = SCI_K_END;
break;
case Common::KEYCODE_PAGEUP:
input.data = SCI_K_PGUP;
break;
case Common::KEYCODE_PAGEDOWN:
input.data = SCI_K_PGDOWN;
break;
case Common::KEYCODE_DELETE:
input.data = SCI_K_DELETE;
break;
// Keypad keys
case Common::KEYCODE_KP8: // up
if (!(_modifierStates & SCI_EVM_NUMLOCK))
input.data = SCI_K_UP;
break;
case Common::KEYCODE_KP2: // down
if (!(_modifierStates & SCI_EVM_NUMLOCK))
input.data = SCI_K_DOWN;
break;
case Common::KEYCODE_KP6: // right
if (!(_modifierStates & SCI_EVM_NUMLOCK))
input.data = SCI_K_RIGHT;
break;
case Common::KEYCODE_KP4: // left
if (!(_modifierStates & SCI_EVM_NUMLOCK))
input.data = SCI_K_LEFT;
break;
case Common::KEYCODE_KP5: // center
if (!(_modifierStates & SCI_EVM_NUMLOCK))
input.data = SCI_K_CENTER;
break;
default:
input.type = SCI_EVT_NONE;
break;
}
input.character = input.data;
}
break;
// Mouse events
case Common::EVENT_LBUTTONDOWN:
input.type = SCI_EVT_MOUSE_PRESS;
input.data = 1;
drv->pointer_x = p.x;
drv->pointer_y = p.y;
break;
case Common::EVENT_RBUTTONDOWN:
input.type = SCI_EVT_MOUSE_PRESS;
input.data = 2;
drv->pointer_x = p.x;
drv->pointer_y = p.y;
break;
case Common::EVENT_LBUTTONUP:
input.type = SCI_EVT_MOUSE_RELEASE;
input.data = 1;
drv->pointer_x = p.x;
drv->pointer_y = p.y;
break;
case Common::EVENT_RBUTTONUP:
input.type = SCI_EVT_MOUSE_RELEASE;
input.data = 2;
drv->pointer_x = p.x;
drv->pointer_y = p.y;
break;
// Misc events
case Common::EVENT_QUIT:
input.type = SCI_EVT_QUIT;
break;
default:
break;
}
}
return input;
}
gfx_driver_t gfx_driver_scummvm = {
NULL,
0, 0,
0, // flags here
0,
NULL,
scummvm_init_specific,
scummvm_init,
scummvm_exit,
scummvm_draw_line,
scummvm_draw_filled_rect,
scummvm_draw_pixmap,
scummvm_grab_pixmap,
scummvm_update,
scummvm_set_static_buffer,
scummvm_set_pointer,
scummvm_set_palette,
scummvm_get_event,
NULL
};
} // End of namespace Sci
|