2
* Glide64 - Glide video plugin for Nintendo 64 emulators.
3
* Copyright (c) 2002 Dave2001
5
* This program is free software; you can redistribute it and/or modify
6
* it under the terms of the GNU General Public License as published by
7
* the Free Software Foundation; either version 2 of the License, or
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.
15
* You should have received a copy of the GNU General Public
16
* License along with this program; if not, write to the Free
17
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18
* Boston, MA 02110-1301, USA
21
//****************************************************************
23
// Glide64 - Glide Plugin for Nintendo 64 emulators (tested mostly with Project64)
24
// Project started on December 29th, 2001
27
// * Write your name and (optional)email, commented by your work, so I know who did it, and so that you can find which parts you modified when it comes time to send it to me.
28
// * Do NOT send me the whole project or file that you modified. Take out your modified code sections, and tell me where to put them. If people sent the whole thing, I would have many different versions, but no idea how to combine them all.
30
// Official Glide64 development channel: #Glide64 on EFnet
32
// Original author: Dave2001 (Dave2999@hotmail.com)
33
// Other authors: Gonetz, Gugaman
35
//****************************************************************
37
static void calc_point_light (VERTEX *v, float * vpos)
39
float light_intensity = 0.0f;
40
register float color[3] = {rdp.light[rdp.num_lights].r, rdp.light[rdp.num_lights].g, rdp.light[rdp.num_lights].b};
41
for (DWORD l=0; l<rdp.num_lights; l++)
43
if (rdp.light[l].nonblack)
45
float lvec[3] = {rdp.light[l].x, rdp.light[l].y, rdp.light[l].z};
49
float light_len2 = lvec[0]*lvec[0] + lvec[1]*lvec[1] + lvec[2]*lvec[2];
50
float light_len = sqrtf(light_len2);
51
#ifdef EXTREME_LOGGING
52
FRDP ("calc_point_light: len: %f, len2: %f\n", light_len, light_len2);
54
float at = rdp.light[l].ca + light_len/65535.0f*rdp.light[l].la + light_len2/65535.0f*rdp.light[l].qa;
56
light_intensity = 1/at;//DotProduct (lvec, nvec) / (light_len * normal_len * at);
58
light_intensity = 0.0f;
62
light_intensity = 0.0f;
64
if (light_intensity > 0.0f)
66
color[0] += rdp.light[l].r * light_intensity;
67
color[1] += rdp.light[l].g * light_intensity;
68
color[2] += rdp.light[l].b * light_intensity;
71
if (color[0] > 1.0f) color[0] = 1.0f;
72
if (color[1] > 1.0f) color[1] = 1.0f;
73
if (color[2] > 1.0f) color[2] = 1.0f;
75
v->r = (BYTE)(color[0]*255.0f);
76
v->g = (BYTE)(color[1]*255.0f);
77
v->b = (BYTE)(color[2]*255.0f);
80
static void uc2_vertex ()
82
// This is special, not handled in update(), but here
83
// * Matrix Pre-multiplication idea by Gonetz (Gonetz@ngs.ru)
84
if (rdp.update & UPDATE_MULT_MAT)
86
rdp.update ^= UPDATE_MULT_MAT;
87
MulMatrices(rdp.model, rdp.proj, rdp.combined);
89
if (rdp.update & UPDATE_LIGHTS)
91
rdp.update ^= UPDATE_LIGHTS;
93
// Calculate light vectors
94
for (DWORD l=0; l<rdp.num_lights; l++)
96
InverseTransformVector(&rdp.light[l].dir_x, rdp.light_vector[l], rdp.model);
97
NormalizeVector (rdp.light_vector[l]);
101
DWORD addr = segoffset(rdp.cmd1);
105
rdp.vn = n = (rdp.cmd0 >> 12) & 0xFF;
106
rdp.v0 = v0 = ((rdp.cmd0 >> 1) & 0x7F) - n;
108
FRDP ("uc2:vertex n: %d, v0: %d, from: %08lx\n", n, v0, addr);
112
RDP_E ("** ERROR: uc2:vertex v0 < 0\n");
113
RDP ("** ERROR: uc2:vertex v0 < 0\n");
117
DWORD geom_mode = rdp.geom_mode;
118
if (settings.fzero && (rdp.geom_mode & 0x40000))
120
if (((short*)gfx.RDRAM)[(((addr) >> 1) + 4)^1] || ((short*)gfx.RDRAM)[(((addr) >> 1) + 5)^1])
121
rdp.geom_mode ^= 0x40000;
124
for (i=0; i < (n<<4); i+=16)
126
VERTEX *v = &rdp.vtx[v0 + (i>>4)];
127
x = (float)((short*)gfx.RDRAM)[(((addr+i) >> 1) + 0)^1];
128
y = (float)((short*)gfx.RDRAM)[(((addr+i) >> 1) + 1)^1];
129
z = (float)((short*)gfx.RDRAM)[(((addr+i) >> 1) + 2)^1];
130
v->flags = ((WORD*)gfx.RDRAM)[(((addr+i) >> 1) + 3)^1];
131
v->ou = (float)((short*)gfx.RDRAM)[(((addr+i) >> 1) + 4)^1] * rdp.tiles[rdp.cur_tile].s_scale;
132
v->ov = (float)((short*)gfx.RDRAM)[(((addr+i) >> 1) + 5)^1] * rdp.tiles[rdp.cur_tile].t_scale;
133
v->a = ((BYTE*)gfx.RDRAM)[(addr+i + 15)^3];
135
#ifdef EXTREME_LOGGING
136
FRDP ("before: v%d - x: %f, y: %f, z: %f, flags: %04lx, ou: %f, ov: %f\n", i>>4, x, y, z, v->flags, v->ou, v->ov);
139
v->x = x*rdp.combined[0][0] + y*rdp.combined[1][0] + z*rdp.combined[2][0] + rdp.combined[3][0];
140
v->y = x*rdp.combined[0][1] + y*rdp.combined[1][1] + z*rdp.combined[2][1] + rdp.combined[3][1];
141
v->z = x*rdp.combined[0][2] + y*rdp.combined[1][2] + z*rdp.combined[2][2] + rdp.combined[3][2];
142
v->w = x*rdp.combined[0][3] + y*rdp.combined[1][3] + z*rdp.combined[2][3] + rdp.combined[3][3];
144
v->oow = 1.0f / v->w;
145
v->x_w = v->x * v->oow;
146
v->y_w = v->y * v->oow;
147
v->z_w = v->z * v->oow;
150
#ifdef EXTREME_LOGGING
151
FRDP ("v%d - x: %f, y: %f, z: %f, w: %f, u: %f, v: %f, f: %f, z_w: %f, a: 0x%02lx\n", i>>4, v->x, v->y, v->z, v->w, v->ou, v->ov, v->f, v->z_w, v->a);
154
v->uv_calculated = 0xFFFFFFFF;
155
v->screen_translated = 0;
156
v->shade_mods_allowed = 1;
160
if (v->x < -v->w) v->scr_off |= 1;
161
if (v->x > v->w) v->scr_off |= 2;
162
if (v->y < -v->w) v->scr_off |= 4;
163
if (v->y > v->w) v->scr_off |= 8;
164
if (v->w < 0.1f) v->scr_off |= 16;
166
if (rdp.geom_mode & 0x00020000)
168
v->vec[0] = ((char*)gfx.RDRAM)[(addr+i + 12)^3];
169
v->vec[1] = ((char*)gfx.RDRAM)[(addr+i + 13)^3];
170
v->vec[2] = ((char*)gfx.RDRAM)[(addr+i + 14)^3];
171
// FRDP("Calc light. x: %f, y: %f z: %f\n", v->vec[0], v->vec[1], v->vec[2]);
172
// if (!(rdp.geom_mode & 0x800000))
174
if (rdp.geom_mode & 0x80000)
177
#ifdef EXTREME_LOGGING
178
FRDP ("calc linear: v%d - u: %f, v: %f\n", i>>4, v->ou, v->ov);
181
else if (rdp.geom_mode & 0x40000)
184
#ifdef EXTREME_LOGGING
185
FRDP ("calc sphere: v%d - u: %f, v: %f\n", i>>4, v->ou, v->ov);
189
if (rdp.geom_mode & 0x00400000)
191
float tmpvec[3] = {x, y, z};
192
calc_point_light (v, tmpvec);
196
NormalizeVector (v->vec);
202
v->r = ((BYTE*)gfx.RDRAM)[(addr+i + 12)^3];
203
v->g = ((BYTE*)gfx.RDRAM)[(addr+i + 13)^3];
204
v->b = ((BYTE*)gfx.RDRAM)[(addr+i + 14)^3];
207
rdp.geom_mode = geom_mode;
210
static void uc2_modifyvtx ()
212
BYTE where = (BYTE)((rdp.cmd0 >> 16) & 0xFF);
213
WORD vtx = (WORD)((rdp.cmd0 >> 1) & 0xFFFF);
215
FRDP ("uc2:modifyvtx: vtx: %d, where: 0x%02lx, val: %08lx - ", vtx, where, rdp.cmd1);
216
uc0_modifyvtx(where, vtx, rdp.cmd1);
219
static void uc2_culldl ()
221
WORD vStart = (WORD)(rdp.cmd0 & 0xFFFF) >> 1;
222
WORD vEnd = (WORD)(rdp.cmd1 & 0xFFFF) >> 1;
224
FRDP ("uc2:culldl start: %d, end: %d\n", vStart, vEnd);
226
if (vEnd < vStart) return;
227
for (WORD i=vStart; i<=vEnd; i++)
230
VERTEX v = &rdp.vtx[i];
231
// Check if completely off the screen (quick frustrum clipping for 90 FOV)
247
#ifdef EXTREME_LOGGING
248
FRDP (" v[%d] = (%02f, %02f, %02f, 0x%02lx)\n", i, rdp.vtx[i].x, rdp.vtx[i].y, rdp.vtx[i].w, rdp.vtx[i].scr_off);
251
cond |= (~rdp.vtx[i].scr_off) & 0x1F;
256
RDP (" - "); // specify that the enddl is not a real command
260
void uc6_obj_loadtxtr ();
262
static void uc2_tri1()
264
if (rdp.skip_drawing)
266
RDP("uc2:tri1. skipped\n");
269
if ((rdp.cmd0 & 0x00FFFFFF) == 0x17)
275
FRDP("uc1:tri1 #%d - %d, %d, %d\n", rdp.tri_n,
276
((rdp.cmd0 >> 17) & 0x7F),
277
((rdp.cmd0 >> 9) & 0x7F),
278
((rdp.cmd0 >> 1) & 0x7F));
281
&rdp.vtx[(rdp.cmd0 >> 17) & 0x7F],
282
&rdp.vtx[(rdp.cmd0 >> 9) & 0x7F],
283
&rdp.vtx[(rdp.cmd0 >> 1) & 0x7F]
297
void uc6_obj_ldtx_sprite ();
298
void uc6_obj_ldtx_rect ();
300
static void uc2_quad ()
302
if (rdp.skip_drawing)
304
RDP("uc2_quad. skipped\n");
307
if ((rdp.cmd0 & 0x00FFFFFF) == 0x2F)
309
DWORD command = rdp.cmd0>>24;
312
uc6_obj_ldtx_sprite ();
317
uc6_obj_ldtx_rect ();
323
FRDP(" #%d, #%d - %d, %d, %d - %d, %d, %d\n", rdp.tri_n, rdp.tri_n+1,
324
((rdp.cmd0 >> 17) & 0x7F),
325
((rdp.cmd0 >> 9) & 0x7F),
326
((rdp.cmd0 >> 1) & 0x7F),
327
((rdp.cmd1 >> 17) & 0x7F),
328
((rdp.cmd1 >> 9) & 0x7F),
329
((rdp.cmd1 >> 1) & 0x7F));
332
&rdp.vtx[(rdp.cmd0 >> 17) & 0x7F],
333
&rdp.vtx[(rdp.cmd0 >> 9) & 0x7F],
334
&rdp.vtx[(rdp.cmd0 >> 1) & 0x7F],
335
&rdp.vtx[(rdp.cmd1 >> 17) & 0x7F],
336
&rdp.vtx[(rdp.cmd1 >> 9) & 0x7F],
337
&rdp.vtx[(rdp.cmd1 >> 1) & 0x7F]
363
static void uc6_ldtx_rect_r ();
365
static void uc2_line3d ()
367
if ( (rdp.cmd0&0xFF) == 0x2F )
371
FRDP("uc2:line3d #%d, #%d - %d, %d\n", rdp.tri_n, rdp.tri_n+1,
372
(rdp.cmd0 >> 17) & 0x7F,
373
(rdp.cmd0 >> 9) & 0x7F);
376
&rdp.vtx[(rdp.cmd0 >> 17) & 0x7F],
377
&rdp.vtx[(rdp.cmd0 >> 9) & 0x7F],
378
&rdp.vtx[(rdp.cmd0 >> 9) & 0x7F]
380
WORD width = (WORD)(rdp.cmd0&0xFF) + 1;
393
static void uc2_special3 ()
395
RDP ("uc2:special3\n");
398
static void uc2_special2 ()
400
RDP ("uc2:special2\n");
403
static void uc2_special1 ()
405
RDP ("uc2:special1\n");
408
static void uc2_dma_io ()
410
RDP ("uc2:dma_io\n");
413
static void uc2_pop_matrix ()
415
FRDP ("uc2:pop_matrix %08lx, %08lx\n", rdp.cmd0, rdp.cmd1);
417
// Just pop the modelview matrix
418
modelview_pop (rdp.cmd1 >> 6);
421
static void uc2_geom_mode ()
423
// Switch around some things
424
DWORD clr_mode = (rdp.cmd0 & 0x00DFC9FF) |
425
((rdp.cmd0 & 0x00000600) << 3) |
426
((rdp.cmd0 & 0x00200000) >> 12) | 0xFF000000;
427
DWORD set_mode = (rdp.cmd1 & 0xFFDFC9FF) |
428
((rdp.cmd1 & 0x00000600) << 3) |
429
((rdp.cmd1 & 0x00200000) >> 12);
431
FRDP("uc2:geom_mode c:%08lx, s:%08lx ", clr_mode, set_mode);
433
rdp.geom_mode &= clr_mode;
434
rdp.geom_mode |= set_mode;
436
FRDP ("result:%08lx\n", rdp.geom_mode);
438
if (rdp.geom_mode & 0x00000001) // Z-Buffer enable
440
if (!(rdp.flags & ZBUF_ENABLED))
442
rdp.flags |= ZBUF_ENABLED;
443
rdp.update |= UPDATE_ZBUF_ENABLED;
448
if ((rdp.flags & ZBUF_ENABLED))
450
if (!settings.flame_corona || (rdp.rm != 0x00504341)) //hack for flame's corona
451
rdp.flags ^= ZBUF_ENABLED;
452
rdp.update |= UPDATE_ZBUF_ENABLED;
455
if (rdp.geom_mode & 0x00001000) // Front culling
457
if (!(rdp.flags & CULL_FRONT))
459
rdp.flags |= CULL_FRONT;
460
rdp.update |= UPDATE_CULL_MODE;
465
if (rdp.flags & CULL_FRONT)
467
rdp.flags ^= CULL_FRONT;
468
rdp.update |= UPDATE_CULL_MODE;
471
if (rdp.geom_mode & 0x00002000) // Back culling
473
if (!(rdp.flags & CULL_BACK))
475
rdp.flags |= CULL_BACK;
476
rdp.update |= UPDATE_CULL_MODE;
481
if (rdp.flags & CULL_BACK)
483
rdp.flags ^= CULL_BACK;
484
rdp.update |= UPDATE_CULL_MODE;
489
if (rdp.geom_mode & 0x00010000) // Fog enable
491
if (!(rdp.flags & FOG_ENABLED))
493
rdp.flags |= FOG_ENABLED;
494
rdp.update |= UPDATE_FOG_ENABLED;
499
if (rdp.flags & FOG_ENABLED)
501
rdp.flags ^= FOG_ENABLED;
502
rdp.update |= UPDATE_FOG_ENABLED;
507
void uc6_obj_rectangle_r ();
509
static void uc2_matrix ()
511
if (!(rdp.cmd0 & 0x00FFFFFF))
513
uc6_obj_rectangle_r();
516
RDP ("uc2:matrix\n");
518
DWORD addr = segoffset(rdp.cmd1);
519
BYTE command = (BYTE)((rdp.cmd0 ^ 1) & 0xFF);
521
__declspec( align(16) ) float m[4][4];
522
int x,y; // matrix index
526
for (x=0; x<16; x+=4) { // Adding 4 instead of one, just to remove mult. later
527
for (y=0; y<4; y++) {
528
m[x>>2][y] = (float)(
529
(((__int32)((WORD*)gfx.RDRAM)[(addr+x+y)^1]) << 16) |
530
((WORD*)gfx.RDRAM)[(addr+x+y+16)^1]
537
case 0: // modelview mul nopush
538
RDP ("modelview mul\n");
542
case 1: // modelview mul push
543
RDP ("modelview mul push\n");
544
modelview_mul_push (m);
547
case 2: // modelview load nopush
548
RDP ("modelview load\n");
552
case 3: // modelview load push
553
RDP ("modelview load push\n");
554
modelview_load_push (m);
557
case 4: // projection mul nopush
558
case 5: // projection mul push, can't push projection
559
RDP ("projection mul\n");
563
case 6: // projection load nopush
564
case 7: // projection load push, can't push projection
565
RDP ("projection load\n");
570
FRDP_E ("Unknown matrix command, %02lx", command);
571
FRDP ("Unknown matrix command, %02lx", command);
574
#ifdef EXTREME_LOGGING
575
FRDP ("{%f,%f,%f,%f}\n", m[0][0], m[0][1], m[0][2], m[0][3]);
576
FRDP ("{%f,%f,%f,%f}\n", m[1][0], m[1][1], m[1][2], m[1][3]);
577
FRDP ("{%f,%f,%f,%f}\n", m[2][0], m[2][1], m[2][2], m[2][3]);
578
FRDP ("{%f,%f,%f,%f}\n", m[3][0], m[3][1], m[3][2], m[3][3]);
579
FRDP ("\nmodel\n{%f,%f,%f,%f}\n", rdp.model[0][0], rdp.model[0][1], rdp.model[0][2], rdp.model[0][3]);
580
FRDP ("{%f,%f,%f,%f}\n", rdp.model[1][0], rdp.model[1][1], rdp.model[1][2], rdp.model[1][3]);
581
FRDP ("{%f,%f,%f,%f}\n", rdp.model[2][0], rdp.model[2][1], rdp.model[2][2], rdp.model[2][3]);
582
FRDP ("{%f,%f,%f,%f}\n", rdp.model[3][0], rdp.model[3][1], rdp.model[3][2], rdp.model[3][3]);
583
FRDP ("\nproj\n{%f,%f,%f,%f}\n", rdp.proj[0][0], rdp.proj[0][1], rdp.proj[0][2], rdp.proj[0][3]);
584
FRDP ("{%f,%f,%f,%f}\n", rdp.proj[1][0], rdp.proj[1][1], rdp.proj[1][2], rdp.proj[1][3]);
585
FRDP ("{%f,%f,%f,%f}\n", rdp.proj[2][0], rdp.proj[2][1], rdp.proj[2][2], rdp.proj[2][3]);
586
FRDP ("{%f,%f,%f,%f}\n", rdp.proj[3][0], rdp.proj[3][1], rdp.proj[3][2], rdp.proj[3][3]);
590
static void uc2_moveword ()
592
BYTE index = (BYTE)((rdp.cmd0 >> 16) & 0xFF);
593
WORD offset = (WORD)(rdp.cmd0 & 0xFFFF);
594
DWORD data = rdp.cmd1;
596
FRDP ("uc2:moveword ");
600
// NOTE: right now it's assuming that it sets the integer part first. This could
601
// be easily fixed, but only if i had something to test with.
603
case 0x00: // moveword matrix
605
// do matrix pre-mult so it's re-updated next time
606
if (rdp.update & UPDATE_MULT_MAT)
608
rdp.update ^= UPDATE_MULT_MAT;
609
MulMatrices(rdp.model, rdp.proj, rdp.combined);
612
if (rdp.cmd0 & 0x20) // fractional part
614
int index_x = (rdp.cmd0 & 0x1F) >> 1;
615
int index_y = index_x >> 2;
618
float fpart = (rdp.cmd1>>16)/65536.0f;
619
rdp.combined[index_y][index_x] = (float)(int)rdp.combined[index_y][index_x];
620
rdp.combined[index_y][index_x] += fpart;
622
fpart = (rdp.cmd1&0xFFFF)/65536.0f;
623
rdp.combined[index_y][index_x+1] = (float)(int)rdp.combined[index_y][index_x+1];
624
rdp.combined[index_y][index_x+1] += fpart;
628
int index_x = (rdp.cmd0 & 0x1F) >> 1;
629
int index_y = index_x >> 2;
632
float fpart = (float)fabs(rdp.combined[index_y][index_x] - (int)rdp.combined[index_y][index_x]);
633
rdp.combined[index_y][index_x] = (short)(rdp.cmd1>>16);
635
fpart = (float)fabs(rdp.combined[index_y][index_x+1] - (int)rdp.combined[index_y][index_x+1]);
636
rdp.combined[index_y][index_x+1] = (short)(rdp.cmd1&0xFFFF);
644
rdp.num_lights = data / 24;
645
rdp.update |= UPDATE_LIGHTS;
646
FRDP ("numlights: %d\n", rdp.num_lights);
650
FRDP ("mw_clip %08lx, %08lx\n", rdp.cmd0, rdp.cmd1);
653
case 0x06: // moveword SEGMENT
655
FRDP ("SEGMENT %08lx -> seg%d\n", data, offset >> 2);
656
if ((data&BMASK)<BMASK)
657
rdp.segment[(offset >> 2) & 0xF] = data;
664
rdp.fog_multiplier = (short)(rdp.cmd1 >> 16);
665
rdp.fog_offset = (short)(rdp.cmd1 & 0x0000FFFF);
666
FRDP ("fog: multiplier: %f, offset: %f\n", rdp.fog_multiplier, rdp.fog_offset);
670
case 0x0a: // moveword LIGHTCOL
673
FRDP ("lightcol light:%d, %08lx\n", n, data);
675
rdp.light[n].r = (float)((data >> 24) & 0xFF) / 255.0f;
676
rdp.light[n].g = (float)((data >> 16) & 0xFF) / 255.0f;
677
rdp.light[n].b = (float)((data >> 8) & 0xFF) / 255.0f;
678
rdp.light[n].a = 255;
683
RDP_E ("uc2:moveword forcemtx - IGNORED\n");
684
RDP ("forcemtx - IGNORED\n");
688
RDP ("perspnorm - IGNORED\n");
692
FRDP_E("uc2:moveword unknown (index: 0x%08lx, offset 0x%08lx)\n", index, offset);
693
FRDP ("unknown (index: 0x%08lx, offset 0x%08lx)\n", index, offset);
697
void uc6_obj_movemem ();
699
static void uc2_movemem ()
701
int idx = rdp.cmd0 & 0xFF;
702
DWORD addr = segoffset(rdp.cmd1);
703
int ofs = (rdp.cmd0 >> 5) & 0x7F8;
705
FRDP ("uc2:movemem ofs:%d ", ofs);
717
short scale_x = ((short*)gfx.RDRAM)[(a+0)^1] >> 2;
718
short scale_y = ((short*)gfx.RDRAM)[(a+1)^1] >> 2;
719
short scale_z = ((short*)gfx.RDRAM)[(a+2)^1];
720
short trans_x = ((short*)gfx.RDRAM)[(a+4)^1] >> 2;
721
short trans_y = ((short*)gfx.RDRAM)[(a+5)^1] >> 2;
722
short trans_z = ((short*)gfx.RDRAM)[(a+6)^1];
723
rdp.view_scale[0] = scale_x * rdp.scale_x;
724
rdp.view_scale[1] = -scale_y * rdp.scale_y;
725
rdp.view_scale[2] = 32.0f * scale_z;
726
rdp.view_trans[0] = trans_x * rdp.scale_x;
727
rdp.view_trans[1] = trans_y * rdp.scale_y;
728
rdp.view_trans[2] = 32.0f * trans_z;
730
rdp.update |= UPDATE_VIEWPORT;
732
FRDP ("viewport scale(%d, %d, %d), trans(%d, %d, %d), from:%08lx\n", scale_x, scale_y, scale_z,
733
trans_x, trans_y, trans_z, a);
743
char dir_x = ((char*)gfx.RDRAM)[(addr+8)^3];
744
rdp.lookat[n][0] = (float)(dir_x) / 127.0f;
745
char dir_y = ((char*)gfx.RDRAM)[(addr+9)^3];
746
rdp.lookat[n][1] = (float)(dir_y) / 127.0f;
747
char dir_z = ((char*)gfx.RDRAM)[(addr+10)^3];
748
rdp.lookat[n][2] = (float)(dir_z) / 127.0f;
749
rdp.use_lookat = TRUE;
752
if (!dir_x && !dir_y)
753
rdp.use_lookat = FALSE;
755
FRDP("lookat_%d (%f, %f, %f)\n", n, rdp.lookat[n][0], rdp.lookat[n][1], rdp.lookat[n][2]);
762
BYTE col = gfx.RDRAM[(addr+0)^3];
763
rdp.light[n].r = (float)col / 255.0f;
764
rdp.light[n].nonblack = col;
765
col = gfx.RDRAM[(addr+1)^3];
766
rdp.light[n].g = (float)col / 255.0f;
767
rdp.light[n].nonblack += col;
768
col = gfx.RDRAM[(addr+2)^3];
769
rdp.light[n].b = (float)col / 255.0f;
770
rdp.light[n].nonblack += col;
771
rdp.light[n].a = 1.0f;
772
// ** Thanks to Icepir8 for pointing this out **
773
// Lighting must be signed byte instead of byte
774
rdp.light[n].dir_x = (float)(((char*)gfx.RDRAM)[(addr+8)^3]) / 127.0f;
775
rdp.light[n].dir_y = (float)(((char*)gfx.RDRAM)[(addr+9)^3]) / 127.0f;
776
rdp.light[n].dir_z = (float)(((char*)gfx.RDRAM)[(addr+10)^3]) / 127.0f;
778
rdp.light[n].x = (float)(((short*)gfx.RDRAM)[(a+4)^1]);
779
rdp.light[n].y = (float)(((short*)gfx.RDRAM)[(a+5)^1]);
780
rdp.light[n].z = (float)(((short*)gfx.RDRAM)[(a+6)^1]);
781
rdp.light[n].ca = (float)(gfx.RDRAM[(addr+3)^3]) / 16.0f;
782
rdp.light[n].la = (float)(gfx.RDRAM[(addr+7)^3]);
783
rdp.light[n].qa = (float)(gfx.RDRAM[(addr+14)^3]) / 8.0f;
784
#ifdef EXTREME_LOGGING
785
FRDP ("light: n: %d, pos: x: %f, y: %f, z: %f, ca: %f, la:%f, qa: %f\n",
786
n, rdp.light[n].x, rdp.light[n].y, rdp.light[n].z, rdp.light[n].ca, rdp.light[n].la, rdp.light[n].qa);
788
FRDP ("light: n: %d, r: %.3f, g: %.3f, b: %.3f. dir: x: %.3f, y: %.3f, z: %.3f\n",
789
n, rdp.light[n].r, rdp.light[n].g, rdp.light[n].b,
790
rdp.light[n].dir_x, rdp.light[n].dir_y, rdp.light[n].dir_z);
796
// do not update the combined matrix!
797
rdp.update &= ~UPDATE_MULT_MAT;
799
int addr = segoffset(rdp.cmd1);
800
FRDP ("matrix - addr: %08lx\n", addr);
804
for (x=0; x<16; x+=4) { // Adding 4 instead of one, just to remove mult. later
805
for (y=0; y<4; y++) {
806
rdp.combined[x>>2][y] = (float)(
807
(((__int32)((WORD*)gfx.RDRAM)[(addr+x+y)^1]) << 16) |
808
((WORD*)gfx.RDRAM)[(addr+x+y+16)^1]
813
#ifdef EXTREME_LOGGING
814
FRDP ("{%f,%f,%f,%f}\n", rdp.combined[0][0], rdp.combined[0][1], rdp.combined[0][2], rdp.combined[0][3]);
815
FRDP ("{%f,%f,%f,%f}\n", rdp.combined[1][0], rdp.combined[1][1], rdp.combined[1][2], rdp.combined[1][3]);
816
FRDP ("{%f,%f,%f,%f}\n", rdp.combined[2][0], rdp.combined[2][1], rdp.combined[2][2], rdp.combined[2][3]);
817
FRDP ("{%f,%f,%f,%f}\n", rdp.combined[3][0], rdp.combined[3][1], rdp.combined[3][2], rdp.combined[3][3]);
823
FRDP ("uc2:matrix unknown (%d)\n", idx);
824
FRDP ("** UNKNOWN %d\n", idx);
828
static void uc2_load_ucode ()
830
RDP ("uc2:load_ucode\n");
833
static void uc2_rdphalf_2 ()
835
RDP ("uc2:rdphalf_2\n");
838
static void uc2_dlist_cnt ()
840
DWORD addr = segoffset(rdp.cmd1) & BMASK;
841
int count = rdp.cmd0 & 0x000000FF;
842
FRDP ("dl_count - addr: %08lx, count: %d\n", addr, count);
847
RDP_E ("** DL stack overflow **\n");
848
RDP ("** DL stack overflow **\n");
851
rdp.pc_i ++; // go to the next PC in the stack
852
rdp.pc[rdp.pc_i] = addr; // jump to the address
853
rdp.dl_count = count + 1;