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- Committer: Package Import Robot
- Author(s): Etienne Millon
- Date: 2015-03-31 08:48:54 UTC
- Revision ID: package-import@ubuntu.com-20150331084854-f5a4uoz7uv3vopk6
Tags: upstream-2.1.20130907+dfsg
Import upstream version 2.1.20130907+dfsg
- files added:
- doc
- doc/tools
- linux
- linux/icons
- linux/man
- macosx
- macosx/English.lproj
- macosx/English.lproj/MainMenu.nib
- macosx/OpenTyrian.xcodeproj
- obj
- src
added
removed
src/shots.c
1
/*
2
* OpenTyrian: A modern cross-platform port of Tyrian
3
* Copyright (C) 2007-2013 The OpenTyrian Development Team
4
*
5
* This program is free software; you can redistribute it and/or
6
* modify it under the terms of the GNU General Public License
7
* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
9
*
10
* This program is distributed in the hope that it will be useful,
11
* but WITHOUT ANY WARRANTY; without even the implied warranty of
12
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
* GNU General Public License for more details.
14
*
15
* You should have received a copy of the GNU General Public License
16
* along with this program; if not, write to the Free Software
17
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18
*/
19
#include "player.h"
20
#include "shots.h"
21
#include "sprite.h"
22
#include "video.h"
23
#include "varz.h"
24
25
// I'm pretty sure the last extra entry is never used.
26
PlayerShotDataType playerShotData[MAX_PWEAPON + 1]; /* [1..MaxPWeapon+1] */
27
JE_byte shotAvail[MAX_PWEAPON]; /* [1..MaxPWeapon] */ /*0:Avail 1-255:Duration left*/
28
29
void simulate_player_shots( void )
30
{
31
/* Player Shot Images */
32
for (int z = 0; z < MAX_PWEAPON; z++)
33
{
34
if (shotAvail[z] != 0)
35
{
36
shotAvail[z]--;
37
if (z != MAX_PWEAPON - 1)
38
{
39
PlayerShotDataType* shot = &playerShotData[z];
40
41
shot->shotXM += shot->shotXC;
42
43
if (shot->shotXM <= 100)
44
shot->shotX += shot->shotXM;
45
46
shot->shotYM += shot->shotYC;
47
shot->shotY += shot->shotYM;
48
49
if (shot->shotYM > 100)
50
{
51
shot->shotY -= 120;
52
shot->shotY += player[0].delta_y_shot_move;
53
}
54
55
if (shot->shotComplicated != 0)
56
{
57
shot->shotDevX += shot->shotDirX;
58
shot->shotX += shot->shotDevX;
59
60
if (abs(shot->shotDevX) == shot->shotCirSizeX)
61
shot->shotDirX = -shot->shotDirX;
62
63
shot->shotDevY += shot->shotDirY;
64
shot->shotY += shot->shotDevY;
65
66
if (abs(shot->shotDevY) == shot->shotCirSizeY)
67
shot->shotDirY = -shot->shotDirY;
68
/*Double Speed Circle Shots - add a second copy of above loop*/
69
}
70
71
int tempShotX = shot->shotX;
72
int tempShotY = shot->shotY;
73
74
if (shot->shotX < 0 || shot->shotX > 140 ||
75
shot->shotY < 0 || shot->shotY > 170)
76
{
77
shotAvail[z] = 0;
78
goto draw_player_shot_loop_end;
79
}
80
81
/* if (shot->shotTrail != 255)
82
{
83
if (shot->shotTrail == 98)
84
{
85
JE_setupExplosion(shot->shotX - shot->shotXM, shot->shotY - shot->shotYM, shot->shotTrail);
86
} else {
87
JE_setupExplosion(shot->shotX, shot->shotY, shot->shotTrail);
88
}
89
}*/
90
91
JE_word anim_frame = shot->shotGr + shot->shotAni;
92
if (++shot->shotAni == shot->shotAniMax)
93
shot->shotAni = 0;
94
95
if (anim_frame < 6000)
96
{
97
if (anim_frame > 1000)
98
anim_frame = anim_frame % 1000;
99
if (anim_frame > 500)
100
blit_sprite2(VGAScreen, tempShotX+1, tempShotY, shapesW2, anim_frame - 500);
101
else
102
blit_sprite2(VGAScreen, tempShotX+1, tempShotY, shapesC1, anim_frame);
103
}
104
}
105
106
draw_player_shot_loop_end:
107
;
108
}
109
}
110
}
111
112
static const JE_word linkMultiGr[17] /* [0..16] */ =
113
{77,221,183,301,1,282,164,202,58,201,163,281,39,300,182,220,77};
114
static const JE_word linkSonicGr[17] /* [0..16] */ =
115
{85,242,131,303,47,284,150,223,66,224,149,283,9,302,130,243,85};
116
static const JE_word linkMult2Gr[17] /* [0..16] */ =
117
{78,299,295,297,2,278,276,280,59,279,275,277,40,296,294,298,78};
118
119
void player_shot_set_direction( JE_integer shot_id, uint weapon_id, JE_real direction )
120
{
121
PlayerShotDataType* shot = &playerShotData[shot_id];
122
123
shot->shotXM = -roundf(sinf(direction) * shot->shotYM);
124
shot->shotYM = -roundf(cosf(direction) * shot->shotYM);
125
126
// Some weapons have sprites for each direction, use those.
127
int rounded_dir;
128
129
switch (weapon_id)
130
{
131
case 27:
132
case 32:
133
case 10:
134
rounded_dir = roundf(direction * (16 / (2 * M_PI))); /*16 directions*/
135
shot->shotGr = linkMultiGr[rounded_dir];
136
break;
137
case 28:
138
case 33:
139
case 11:
140
rounded_dir = roundf(direction * (16 / (2 * M_PI))); /*16 directions*/
141
shot->shotGr = linkSonicGr[rounded_dir];
142
break;
143
case 30:
144
case 35:
145
case 14:
146
if (direction > M_PI_2 && direction < M_PI + M_PI_2)
147
{
148
shot->shotYC = 1;
149
}
150
break;
151
case 38:
152
case 22:
153
rounded_dir = roundf(direction * (16 / (2 * M_PI))); /*16 directions*/
154
shot->shotGr = linkMult2Gr[rounded_dir];
155
break;
156
}
157
}
158
159
bool player_shot_move_and_draw(
160
int shot_id, bool* out_is_special,
161
int* out_shotx, int* out_shoty,
162
JE_integer* out_shot_damage, JE_byte* out_blast_filter,
163
JE_byte* out_chain, JE_byte* out_playerNum,
164
JE_word* out_special_radiusw, JE_word* out_special_radiush )
165
{
166
PlayerShotDataType* shot = &playerShotData[shot_id];
167
168
shotAvail[shot_id]--;
169
if (shot_id != MAX_PWEAPON - 1)
170
{
171
shot->shotXM += shot->shotXC;
172
shot->shotX += shot->shotXM;
173
JE_integer tmp_shotXM = shot->shotXM;
174
175
if (shot->shotXM > 100)
176
{
177
if (shot->shotXM == 101)
178
{
179
shot->shotX -= 101;
180
shot->shotX += player[shot->playerNumber-1].delta_x_shot_move;
181
shot->shotY += player[shot->playerNumber-1].delta_y_shot_move;
182
}
183
else
184
{
185
shot->shotX -= 120;
186
shot->shotX += player[shot->playerNumber-1].delta_x_shot_move;
187
}
188
}
189
190
shot->shotYM += shot->shotYC;
191
shot->shotY += shot->shotYM;
192
193
if (shot->shotYM > 100)
194
{
195
shot->shotY -= 120;
196
shot->shotY += player[shot->playerNumber-1].delta_y_shot_move;
197
}
198
199
if (shot->shotComplicated != 0)
200
{
201
shot->shotDevX += shot->shotDirX;
202
shot->shotX += shot->shotDevX;
203
204
if (abs(shot->shotDevX) == shot->shotCirSizeX)
205
shot->shotDirX = -shot->shotDirX;
206
207
shot->shotDevY += shot->shotDirY;
208
shot->shotY += shot->shotDevY;
209
210
if (abs(shot->shotDevY) == shot->shotCirSizeY)
211
shot->shotDirY = -shot->shotDirY;
212
213
/*Double Speed Circle Shots - add a second copy of above loop*/
214
}
215
216
*out_shotx = shot->shotX;
217
*out_shoty = shot->shotY;
218
219
if (shot->shotX < -34 || shot->shotX > 290 ||
220
shot->shotY < -15 || shot->shotY > 190)
221
{
222
shotAvail[shot_id] = 0;
223
return false;
224
}
225
226
if (shot->shotTrail != 255)
227
{
228
if (shot->shotTrail == 98)
229
JE_setupExplosion(shot->shotX - shot->shotXM, shot->shotY - shot->shotYM, 0, shot->shotTrail, false, false);
230
else
231
JE_setupExplosion(shot->shotX, shot->shotY, 0, shot->shotTrail, false, false);
232
}
233
234
if (shot->aimAtEnemy != 0)
235
{
236
if (--shot->aimDelay == 0)
237
{
238
shot->aimDelay = shot->aimDelayMax;
239
240
if (enemyAvail[shot->aimAtEnemy - 1] != 1)
241
{
242
if (shot->shotX < enemy[shot->aimAtEnemy - 1].ex)
243
shot->shotXM++;
244
else
245
shot->shotXM--;
246
247
if (shot->shotY < enemy[shot->aimAtEnemy - 1].ey)
248
shot->shotYM++;
249
else
250
shot->shotYM--;
251
}
252
else
253
{
254
if (shot->shotXM > 0)
255
shot->shotXM++;
256
else
257
shot->shotXM--;
258
}
259
}
260
}
261
262
JE_word sprite_frame = shot->shotGr + shot->shotAni;
263
if (++shot->shotAni == shot->shotAniMax)
264
shot->shotAni = 0;
265
266
*out_shot_damage = shot->shotDmg;
267
*out_blast_filter = shot->shotBlastFilter;
268
*out_chain = shot->chainReaction;
269
*out_playerNum = shot->playerNumber;
270
271
*out_is_special = sprite_frame > 60000;
272
273
if (*out_is_special)
274
{
275
blit_sprite_blend(VGAScreen, *out_shotx+1, *out_shoty, OPTION_SHAPES, sprite_frame - 60001);
276
277
*out_special_radiusw = sprite(OPTION_SHAPES, sprite_frame - 60001)->width / 2;
278
*out_special_radiush = sprite(OPTION_SHAPES, sprite_frame - 60001)->height / 2;
279
}
280
else
281
{
282
if (sprite_frame > 1000)
283
{
284
JE_doSP(*out_shotx+1 + 6, *out_shoty + 6, 5, 3, (sprite_frame / 1000) << 4);
285
sprite_frame = sprite_frame % 1000;
286
}
287
if (sprite_frame > 500)
288
{
289
if (background2 && *out_shoty + shadowYDist < 190 && tmp_shotXM < 100)
290
blit_sprite2_darken(VGAScreen, *out_shotx+1, *out_shoty + shadowYDist, shapesW2, sprite_frame - 500);
291
blit_sprite2(VGAScreen, *out_shotx+1, *out_shoty, shapesW2, sprite_frame - 500);
292
}
293
else
294
{
295
if (background2 && *out_shoty + shadowYDist < 190 && tmp_shotXM < 100)
296
blit_sprite2_darken(VGAScreen, *out_shotx+1, *out_shoty + shadowYDist, shapesC1, sprite_frame);
297
blit_sprite2(VGAScreen, *out_shotx+1, *out_shoty, shapesC1, sprite_frame);
298
}
299
}
300
}
301
302
return true;
303
}
304
305
JE_integer player_shot_create( JE_word portNum, uint bay_i, JE_word PX, JE_word PY, JE_word mouseX, JE_word mouseY, JE_word wpNum, JE_byte playerNum )
306
{
307
static const JE_byte soundChannel[11] /* [1..11] */ = {0, 2, 4, 4, 2, 2, 5, 5, 1, 4, 1};
308
309
// Bounds check
310
if (portNum > PORT_NUM || wpNum <= 0 || wpNum > WEAP_NUM)
311
return MAX_PWEAPON;
312
313
const JE_WeaponType* weapon = &weapons[wpNum];
314
315
if (power < weaponPort[portNum].poweruse)
316
return MAX_PWEAPON;
317
power -= weaponPort[portNum].poweruse;
318
319
if (weapon->sound > 0)
320
soundQueue[soundChannel[bay_i]] = weapon->sound;
321
322
int shot_id;
323
/*Rot*/
324
for (int multi_i = 1; multi_i <= weapon->multi; multi_i++)
325
{
326
for (shot_id = 0; shot_id < MAX_PWEAPON; shot_id++)
327
if (shotAvail[shot_id] == 0)
328
break;
329
if (shot_id == MAX_PWEAPON)
330
return MAX_PWEAPON;
331
332
if (shotMultiPos[bay_i] == weapon->max || shotMultiPos[bay_i] > 8)
333
shotMultiPos[bay_i] = 1;
334
else
335
shotMultiPos[bay_i]++;
336
337
PlayerShotDataType* shot = &playerShotData[shot_id];
338
shot->chainReaction = 0;
339
340
shot->playerNumber = playerNum;
341
342
shot->shotAni = 0;
343
344
shot->shotComplicated = weapon->circlesize != 0;
345
346
if (weapon->circlesize == 0)
347
{
348
shot->shotDevX = 0;
349
shot->shotDirX = 0;
350
shot->shotDevY = 0;
351
shot->shotDirY = 0;
352
shot->shotCirSizeX = 0;
353
shot->shotCirSizeY = 0;
354
}
355
else
356
{
357
JE_byte circsize = weapon->circlesize;
358
359
if (circsize > 19)
360
{
361
JE_byte circsize_mod20 = circsize % 20;
362
shot->shotCirSizeX = circsize_mod20;
363
shot->shotDevX = circsize_mod20 >> 1;
364
365
circsize = circsize / 20;
366
shot->shotCirSizeY = circsize;
367
shot->shotDevY = circsize >> 1;
368
}
369
else
370
{
371
shot->shotCirSizeX = circsize;
372
shot->shotCirSizeY = circsize;
373
shot->shotDevX = circsize >> 1;
374
shot->shotDevY = circsize >> 1;
375
}
376
shot->shotDirX = 1;
377
shot->shotDirY = -1;
378
}
379
380
shot->shotTrail = weapon->trail;
381
382
if (weapon->attack[shotMultiPos[bay_i]-1] > 99 && weapon->attack[shotMultiPos[bay_i]-1] < 250)
383
{
384
shot->chainReaction = weapon->attack[shotMultiPos[bay_i]-1] - 100;
385
shot->shotDmg = 1;
386
}
387
else
388
{
389
shot->shotDmg = weapon->attack[shotMultiPos[bay_i]-1];
390
}
391
392
shot->shotBlastFilter = weapon->shipblastfilter;
393
394
JE_integer tmp_by = weapon->by[shotMultiPos[bay_i]-1];
395
396
/*Note: Only front selection used for player shots...*/
397
398
shot->shotX = PX + weapon->bx[shotMultiPos[bay_i]-1];
399
400
shot->shotY = PY + tmp_by;
401
shot->shotYC = -weapon->acceleration;
402
shot->shotXC = weapon->accelerationx;
403
404
shot->shotXM = weapon->sx[shotMultiPos[bay_i]-1];
405
406
// Not sure what this field does exactly.
407
JE_byte del = weapon->del[shotMultiPos[bay_i]-1];
408
409
if (del == 121)
410
{
411
shot->shotTrail = 0;
412
del = 255;
413
}
414
415
shot->shotGr = weapon->sg[shotMultiPos[bay_i]-1];
416
if (shot->shotGr == 0)
417
shotAvail[shot_id] = 0;
418
else
419
shotAvail[shot_id] = del;
420
421
if (del > 100 && del < 120)
422
shot->shotAniMax = (del - 100 + 1);
423
else
424
shot->shotAniMax = weapon->weapani + 1;
425
426
if (del == 99 || del == 98)
427
{
428
tmp_by = PX - mouseX;
429
if (tmp_by < -5)
430
tmp_by = -5;
431
else if (tmp_by > 5)
432
tmp_by = 5;
433
shot->shotXM += tmp_by;
434
}
435
436
if (del == 99 || del == 100)
437
{
438
tmp_by = PY - mouseY - weapon->sy[shotMultiPos[bay_i]-1];
439
if (tmp_by < -4)
440
tmp_by = -4;
441
else if (tmp_by > 4)
442
tmp_by = 4;
443
shot->shotYM = tmp_by;
444
}
445
else if (weapon->sy[shotMultiPos[bay_i]-1] == 98)
446
{
447
shot->shotYM = 0;
448
shot->shotYC = -1;
449
}
450
else if (weapon->sy[shotMultiPos[bay_i]-1] > 100)
451
{
452
shot->shotYM = weapon->sy[shotMultiPos[bay_i]-1];
453
shot->shotY -= player[shot->playerNumber-1].delta_y_shot_move;
454
}
455
else
456
{
457
shot->shotYM = -weapon->sy[shotMultiPos[bay_i]-1];
458
}
459
460
if (weapon->sx[shotMultiPos[bay_i]-1] > 100)
461
{
462
shot->shotXM = weapon->sx[shotMultiPos[bay_i]-1];
463
shot->shotX -= player[shot->playerNumber-1].delta_x_shot_move;
464
if (shot->shotXM == 101)
465
shot->shotY -= player[shot->playerNumber-1].delta_y_shot_move;
466
}
467
468
469
if (weapon->aim > 5) /*Guided Shot*/
470
{
471
uint best_dist = 65000;
472
JE_byte closest_enemy = 0;
473
/*Find Closest Enemy*/
474
for (x = 0; x < 100; x++)
475
{
476
if (enemyAvail[x] != 1 && !enemy[x].scoreitem)
477
{
478
y = abs(enemy[x].ex - shot->shotX) + abs(enemy[x].ey - shot->shotY);
479
if (y < best_dist)
480
{
481
best_dist = y;
482
closest_enemy = x + 1;
483
}
484
}
485
}
486
shot->aimAtEnemy = closest_enemy;
487
shot->aimDelay = 5;
488
shot->aimDelayMax = weapon->aim - 5;
489
}
490
else
491
{
492
shot->aimAtEnemy = 0;
493
}
494
495
shotRepeat[bay_i] = weapon->shotrepeat;
496
}
497
498
return shot_id;
499
}
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