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project64/Source/Glide64/ucode09.h

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/*
* Glide64 - Glide video plugin for Nintendo 64 emulators.
* Copyright (c) 2002 Dave2001
* Copyright (c) 2003-2009 Sergey 'Gonetz' Lipski
*
* 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
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
//****************************************************************
//
// Glide64 - Glide Plugin for Nintendo 64 emulators
// Project started on December 29th, 2001
//
// Authors:
// Dave2001, original author, founded the project in 2001, left it in 2002
// Gugaman, joined the project in 2002, left it in 2002
// Sergey 'Gonetz' Lipski, joined the project in 2002, main author since fall of 2002
// Hiroshi 'KoolSmoky' Morii, joined the project in 2007
//
//****************************************************************
//
// To modify Glide64:
// * 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.
// * 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.
//
//****************************************************************
//
// December 2008 Created by Gonetz (Gonetz@ngs.ru)
//
//****************************************************************
void uc9_rpdcmd ();
typedef float M44[4][4];
struct ZSORTRDP {
float view_scale[2];
float view_trans[2];
float scale_x;
float scale_y;
} zSortRdp = {{0, 0}, {0, 0}, 0, 0};
//RSP command VRCPL
static int Calc_invw (int w) {
int count, neg;
union {
wxInt32 W;
uint32_t UW;
wxInt16 HW[2];
uint16_t UHW[2];
} Result;
Result.W = w;
if (Result.UW == 0) {
Result.UW = 0x7FFFFFFF;
} else {
if (Result.W < 0) {
neg = TRUE;
if (Result.UHW[1] == 0xFFFF && Result.HW[0] < 0) {
Result.W = ~Result.W + 1;
} else {
Result.W = ~Result.W;
}
} else {
neg = FALSE;
}
for (count = 31; count > 0; count--) {
if ((Result.W & (1 << count))) {
Result.W &= (0xFFC00000 >> (31 - count) );
count = 0;
}
}
Result.W = 0x7FFFFFFF / Result.W;
for (count = 31; count > 0; count--) {
if ((Result.W & (1 << count))) {
Result.W &= (0xFFFF8000 >> (31 - count) );
count = 0;
}
}
if (neg == TRUE) {
Result.W = ~Result.W;
}
}
return Result.W;
}
static void uc9_draw_object (uint8_t * addr, uint32_t type)
{
uint32_t textured, vnum, vsize;
switch (type) {
case 0: //null
textured = vnum = vsize = 0;
break;
case 1: //sh tri
textured = 0;
vnum = 3;
vsize = 8;
break;
case 2: //tx tri
textured = 1;
vnum = 3;
vsize = 16;
break;
case 3: //sh quad
textured = 0;
vnum = 4;
vsize = 8;
break;
case 4: //tx quad
textured = 1;
vnum = 4;
vsize = 16;
break;
default:
FRDP_E("Unknown geometric primitive type %u.\n", type);
textured = vnum = vsize = 0;
break;
}
VERTEX vtx[4];
for (uint32_t i = 0; i < vnum; i++)
{
VERTEX &v = vtx[i];
v.sx = zSortRdp.scale_x * ((short*)addr)[0^1];
v.sy = zSortRdp.scale_y * ((short*)addr)[1^1];
v.sz = 1.0f;
v.r = addr[4^3];
v.g = addr[5^3];
v.b = addr[6^3];
v.a = addr[7^3];
v.flags = 0;
v.uv_scaled = 0;
v.uv_calculated = 0xFFFFFFFF;
v.shade_mod = 0;
v.scr_off = 0;
v.screen_translated = 2;
if (textured)
{
v.ou = ((short*)addr)[4^1];
v.ov = ((short*)addr)[5^1];
v.w = Calc_invw(((int*)addr)[3]) / 31.0f;
v.oow = 1.0f / v.w;
FRDP ("v%d - sx: %f, sy: %f ou: %f, ov: %f, w: %f, r=%d, g=%d, b=%d, a=%d\n", i, v.sx/rdp.scale_x, v.sy/rdp.scale_y, v.ou*rdp.tiles[rdp.cur_tile].s_scale, v.ov*rdp.tiles[rdp.cur_tile].t_scale, v.w, v.r, v.g, v.b, v.a);
}
else
{
v.oow = v.w = 1.0f;
FRDP ("v%d - sx: %f, sy: %f r=%d, g=%d, b=%d, a=%d\n", i, v.sx/rdp.scale_x, v.sy/rdp.scale_y, v.r, v.g, v.b, v.a);
}
addr += vsize;
}
//*
VERTEX *pV[4] = {
&vtx[0],
&vtx[1],
&vtx[2],
&vtx[3]
};
if (vnum == 3)
{
FRDP("uc9:Tri #%d, #%d\n", rdp.tri_n, rdp.tri_n+1);
draw_tri (pV, 0);
rdp.tri_n ++;
}
else
{
FRDP("uc9:Quad #%d, #%d\n", rdp.tri_n, rdp.tri_n+1);
draw_tri (pV, 0);
draw_tri (pV+1, 0);
rdp.tri_n += 2;
}
}
static uint32_t uc9_load_object (uint32_t zHeader, uint32_t * rdpcmds)
{
uint32_t type = zHeader & 7;
uint8_t * addr = gfx.RDRAM + (zHeader&0xFFFFFFF8);
switch (type) {
case 1: //sh tri
case 3: //sh quad
{
rdp.cmd1 = ((uint32_t*)addr)[1];
if (rdp.cmd1 != rdpcmds[0])
{
rdpcmds[0] = rdp.cmd1;
uc9_rpdcmd ();
}
update ();
uc9_draw_object(addr + 8, type);
}
break;
case 0: //null
case 2: //tx tri
case 4: //tx quad
{
rdp.cmd1 = ((uint32_t*)addr)[1];
if (rdp.cmd1 != rdpcmds[0])
{
rdpcmds[0] = rdp.cmd1;
uc9_rpdcmd ();
}
rdp.cmd1 = ((uint32_t*)addr)[2];
if (rdp.cmd1 != rdpcmds[1])
{
uc9_rpdcmd ();
rdpcmds[1] = rdp.cmd1;
}
rdp.cmd1 = ((uint32_t*)addr)[3];
if (rdp.cmd1 != rdpcmds[2])
{
uc9_rpdcmd ();
rdpcmds[2] = rdp.cmd1;
}
if (type)
{
update ();
uc9_draw_object(addr + 16, type);
}
}
break;
}
return segoffset(((uint32_t*)addr)[0]);
}
static void uc9_object ()
{
LRDP("uc9:object\n");
uint32_t rdpcmds[3] = {0, 0, 0};
uint32_t cmd1 = rdp.cmd1;
uint32_t zHeader = segoffset(rdp.cmd0);
while (zHeader)
zHeader = uc9_load_object(zHeader, rdpcmds);
zHeader = segoffset(cmd1);
while (zHeader)
zHeader = uc9_load_object(zHeader, rdpcmds);
}
static void uc9_mix ()
{
LRDP("uc9:mix IGNORED\n");
}
static void uc9_fmlight ()
{
int mid = rdp.cmd0&0xFF;
rdp.num_lights = 1 + ((rdp.cmd1>>12)&0xFF);
uint32_t a = -1024 + (rdp.cmd1&0xFFF);
FRDP ("uc9:fmlight matrix: %d, num: %d, dmem: %04lx\n", mid, rdp.num_lights, a);
M44 *m = NULL;
switch (mid) {
case 4:
m = (M44*)rdp.model;
break;
case 6:
m = (M44*)rdp.proj;
break;
case 8:
m = (M44*)rdp.combined;
break;
default:
m = NULL; /* allowing segfaults to debug in case of PJGlide64 bugs */
FRDP_E("Invalid FM light matrix ID %u.\n", mid);
break;
}
rdp.light[rdp.num_lights].r = (float)(((uint8_t*)gfx.DMEM)[(a+0)^3]) / 255.0f;
rdp.light[rdp.num_lights].g = (float)(((uint8_t*)gfx.DMEM)[(a+1)^3]) / 255.0f;
rdp.light[rdp.num_lights].b = (float)(((uint8_t*)gfx.DMEM)[(a+2)^3]) / 255.0f;
rdp.light[rdp.num_lights].a = 1.0f;
FRDP ("ambient light: r: %.3f, g: %.3f, b: %.3f\n", rdp.light[rdp.num_lights].r, rdp.light[rdp.num_lights].g, rdp.light[rdp.num_lights].b);
a += 8;
uint32_t i;
for (i = 0; i < rdp.num_lights; i++)
{
rdp.light[i].r = (float)(((uint8_t*)gfx.DMEM)[(a+0)^3]) / 255.0f;
rdp.light[i].g = (float)(((uint8_t*)gfx.DMEM)[(a+1)^3]) / 255.0f;
rdp.light[i].b = (float)(((uint8_t*)gfx.DMEM)[(a+2)^3]) / 255.0f;
rdp.light[i].a = 1.0f;
rdp.light[i].dir_x = (float)(((char*)gfx.DMEM)[(a+8)^3]) / 127.0f;
rdp.light[i].dir_y = (float)(((char*)gfx.DMEM)[(a+9)^3]) / 127.0f;
rdp.light[i].dir_z = (float)(((char*)gfx.DMEM)[(a+10)^3]) / 127.0f;
FRDP ("light: n: %d, r: %.3f, g: %.3f, b: %.3f, x: %.3f, y: %.3f, z: %.3f\n",
i, rdp.light[i].r, rdp.light[i].g, rdp.light[i].b,
rdp.light[i].dir_x, rdp.light[i].dir_y, rdp.light[i].dir_z);
// TransformVector(&rdp.light[i].dir_x, rdp.light_vector[i], *m);
InverseTransformVector(&rdp.light[i].dir_x, rdp.light_vector[i], *m);
NormalizeVector (rdp.light_vector[i]);
FRDP ("light vector: n: %d, x: %.3f, y: %.3f, z: %.3f\n",
i, rdp.light_vector[i][0], rdp.light_vector[i][1], rdp.light_vector[i][2]);
a += 24;
}
for (i = 0; i < 2; i++)
{
float dir_x = (float)(((char*)gfx.DMEM)[(a+8)^3]) / 127.0f;
float dir_y = (float)(((char*)gfx.DMEM)[(a+9)^3]) / 127.0f;
float dir_z = (float)(((char*)gfx.DMEM)[(a+10)^3]) / 127.0f;
if (sqrt(dir_x*dir_x + dir_y*dir_y + dir_z*dir_z) < 0.98)
{
rdp.use_lookat = FALSE;
return;
}
rdp.lookat[i][0] = dir_x;
rdp.lookat[i][1] = dir_y;
rdp.lookat[i][2] = dir_z;
a += 24;
}
rdp.use_lookat = TRUE;
}
static void uc9_light ()
{
uint32_t csrs = -1024 + ((rdp.cmd0>>12)&0xFFF);
uint32_t nsrs = -1024 + (rdp.cmd0&0xFFF);
uint32_t num = 1 + ((rdp.cmd1>>24)&0xFF);
uint32_t cdest = -1024 + ((rdp.cmd1>>12)&0xFFF);
uint32_t tdest = -1024 + (rdp.cmd1&0xFFF);
int use_material = (csrs != 0x0ff0);
tdest >>= 1;
FRDP ("uc9:light n: %d, colsrs: %04lx, normales: %04lx, coldst: %04lx, texdst: %04lx\n", num, csrs, nsrs, cdest, tdest);
VERTEX v;
for (uint32_t i = 0; i < num; i++)
{
v.vec[0] = ((char*)gfx.DMEM)[(nsrs++)^3];
v.vec[1] = ((char*)gfx.DMEM)[(nsrs++)^3];
v.vec[2] = ((char*)gfx.DMEM)[(nsrs++)^3];
calc_sphere (&v);
// calc_linear (&v);
NormalizeVector (v.vec);
calc_light (&v);
v.a = 0xFF;
if (use_material)
{
v.r = (uint8_t)(((uint32_t)v.r * gfx.DMEM[(csrs++)^3])>>8);
v.g = (uint8_t)(((uint32_t)v.g * gfx.DMEM[(csrs++)^3])>>8);
v.b = (uint8_t)(((uint32_t)v.b * gfx.DMEM[(csrs++)^3])>>8);
v.a = gfx.DMEM[(csrs++)^3];
}
gfx.DMEM[(cdest++)^3] = v.r;
gfx.DMEM[(cdest++)^3] = v.g;
gfx.DMEM[(cdest++)^3] = v.b;
gfx.DMEM[(cdest++)^3] = v.a;
((short*)gfx.DMEM)[(tdest++)^1] = (short)v.ou;
((short*)gfx.DMEM)[(tdest++)^1] = (short)v.ov;
}
}
static void uc9_mtxtrnsp ()
{
LRDP("uc9:mtxtrnsp - ignored\n");
/*
LRDP("uc9:mtxtrnsp ");
M44 *s;
switch (rdp.cmd1&0xF) {
case 4:
s = (M44*)rdp.model;
LRDP("Model\n");
break;
case 6:
s = (M44*)rdp.proj;
LRDP("Proj\n");
break;
case 8:
s = (M44*)rdp.combined;
LRDP("Comb\n");
break;
}
float m = *s[1][0];
*s[1][0] = *s[0][1];
*s[0][1] = m;
m = *s[2][0];
*s[2][0] = *s[0][2];
*s[0][2] = m;
m = *s[2][1];
*s[2][1] = *s[1][2];
*s[1][2] = m;
*/
}
static void uc9_mtxcat ()
{
LRDP("uc9:mtxcat ");
M44 *s = NULL;
M44 *t = NULL;
uint32_t S = rdp.cmd0&0xF;
uint32_t T = (rdp.cmd1>>16)&0xF;
uint32_t D = rdp.cmd1&0xF;
switch (S) {
case 4:
s = (M44*)rdp.model;
LRDP("Model * ");
break;
case 6:
s = (M44*)rdp.proj;
LRDP("Proj * ");
break;
case 8:
s = (M44*)rdp.combined;
LRDP("Comb * ");
break;
default:
FRDP_E("Invalid mutex S-coordinate: %u\n", S);
s = NULL; /* intentional segfault to alert for bugs in PJGlide64 (cxd4) */
break;
}
switch (T) {
case 4:
t = (M44*)rdp.model;
LRDP("Model -> ");
break;
case 6:
t = (M44*)rdp.proj;
LRDP("Proj -> ");
break;
case 8:
LRDP("Comb -> ");
t = (M44*)rdp.combined;
break;
default:
FRDP_E("Invalid mutex T-coordinate: %u\n", T);
t = NULL; /* intentional segfault to alert for bugs in PJGlide64 (cxd4) */
break;
}
DECLAREALIGN16VAR(m[4][4]);
MulMatrices(*s, *t, m);
switch (D) {
case 4:
memcpy (rdp.model, m, 64);;
LRDP("Model\n");
break;
case 6:
memcpy (rdp.proj, m, 64);;
LRDP("Proj\n");
break;
case 8:
memcpy (rdp.combined, m, 64);;
LRDP("Comb\n");
break;
}
#ifdef EXTREME_LOGGING
FRDP ("\nmodel\n{%f,%f,%f,%f}\n", rdp.model[0][0], rdp.model[0][1], rdp.model[0][2], rdp.model[0][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.model[1][0], rdp.model[1][1], rdp.model[1][2], rdp.model[1][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.model[2][0], rdp.model[2][1], rdp.model[2][2], rdp.model[2][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.model[3][0], rdp.model[3][1], rdp.model[3][2], rdp.model[3][3]);
FRDP ("\nproj\n{%f,%f,%f,%f}\n", rdp.proj[0][0], rdp.proj[0][1], rdp.proj[0][2], rdp.proj[0][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.proj[1][0], rdp.proj[1][1], rdp.proj[1][2], rdp.proj[1][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.proj[2][0], rdp.proj[2][1], rdp.proj[2][2], rdp.proj[2][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.proj[3][0], rdp.proj[3][1], rdp.proj[3][2], rdp.proj[3][3]);
FRDP ("\ncombined\n{%f,%f,%f,%f}\n", rdp.combined[0][0], rdp.combined[0][1], rdp.combined[0][2], rdp.combined[0][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.combined[1][0], rdp.combined[1][1], rdp.combined[1][2], rdp.combined[1][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.combined[2][0], rdp.combined[2][1], rdp.combined[2][2], rdp.combined[2][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.combined[3][0], rdp.combined[3][1], rdp.combined[3][2], rdp.combined[3][3]);
#endif
}
typedef struct {
short sy;
short sx;
int invw;
short yi;
short xi;
short wi;
uint8_t fog;
uint8_t cc;
} zSortVDest;
static void uc9_mult_mpmtx ()
{
//int id = rdp.cmd0&0xFF;
int num = 1+ ((rdp.cmd1>>24)&0xFF);
int src = -1024 + ((rdp.cmd1>>12)&0xFFF);
int dst = -1024 + (rdp.cmd1&0xFFF);
FRDP ("uc9:mult_mpmtx from: %04lx to: %04lx n: %d\n", src, dst, num);
short * saddr = (short*)(gfx.DMEM+src);
zSortVDest * daddr = (zSortVDest*)(gfx.DMEM+dst);
int idx = 0;
zSortVDest v;
memset(&v, 0, sizeof(zSortVDest));
//float scale_x = 4.0f/rdp.scale_x;
//float scale_y = 4.0f/rdp.scale_y;
for (int i = 0; i < num; i++)
{
short sx = saddr[(idx++)^1];
short sy = saddr[(idx++)^1];
short sz = saddr[(idx++)^1];
float x = sx*rdp.combined[0][0] + sy*rdp.combined[1][0] + sz*rdp.combined[2][0] + rdp.combined[3][0];
float y = sx*rdp.combined[0][1] + sy*rdp.combined[1][1] + sz*rdp.combined[2][1] + rdp.combined[3][1];
float z = sx*rdp.combined[0][2] + sy*rdp.combined[1][2] + sz*rdp.combined[2][2] + rdp.combined[3][2];
float w = sx*rdp.combined[0][3] + sy*rdp.combined[1][3] + sz*rdp.combined[2][3] + rdp.combined[3][3];
v.sx = (short)(zSortRdp.view_trans[0] + x / w * zSortRdp.view_scale[0]);
v.sy = (short)(zSortRdp.view_trans[1] + y / w * zSortRdp.view_scale[1]);
v.xi = (short)x;
v.yi = (short)y;
v.wi = (short)w;
v.invw = Calc_invw((int)(w * 31.0));
if (w < 0.0f)
v.fog = 0;
else
{
int fog = (int)(z / w * rdp.fog_multiplier + rdp.fog_offset);
if (fog > 255)
fog = 255;
v.fog = (fog >= 0) ? (uint8_t)fog : 0;
}
v.cc = 0;
if (x < -w) v.cc |= 0x10;
if (x > w) v.cc |= 0x01;
if (y < -w) v.cc |= 0x20;
if (y > w) v.cc |= 0x02;
if (w < 0.1f) v.cc |= 0x04;
daddr[i] = v;
//memcpy(gfx.DMEM+dst+sizeof(zSortVDest)*i, &v, sizeof(zSortVDest));
// FRDP("v%d x: %d, y: %d, z: %d -> sx: %d, sy: %d, w: %d, xi: %d, yi: %d, wi: %d, fog: %d\n", i, sx, sy, sz, v.sx, v.sy, v.invw, v.xi, v.yi, v.wi, v.fog);
FRDP("v%d x: %d, y: %d, z: %d -> sx: %04lx, sy: %04lx, invw: %08lx - %f, xi: %04lx, yi: %04lx, wi: %04lx, fog: %04lx\n", i, sx, sy, sz, v.sx, v.sy, v.invw, w, v.xi, v.yi, v.wi, v.fog);
}
}
static void uc9_link_subdl ()
{
LRDP("uc9:link_subdl IGNORED\n");
}
static void uc9_set_subdl ()
{
LRDP("uc9:set_subdl IGNORED\n");
}
static void uc9_wait_signal ()
{
LRDP("uc9:wait_signal IGNORED\n");
}
static void uc9_send_signal ()
{
LRDP("uc9:send_signal IGNORED\n");
}
void uc9_movemem ()
{
LRDP("uc9:movemem\n");
int idx = rdp.cmd0 & 0x0E;
int ofs = ((rdp.cmd0>>6)&0x1ff)<<3;
int len = (1 + ((rdp.cmd0>>15)&0x1ff))<<3;
FRDP ("uc9:movemem ofs: %d, len: %d. ", ofs, len);
int flag = rdp.cmd0 & 0x01;
uint32_t addr = segoffset(rdp.cmd1);
switch (idx)
{
case 0: //save/load
if (flag == 0)
{
int dmem_addr = (idx<<3) + ofs;
FRDP ("Load to DMEM. %08lx -> %08lx\n", addr, dmem_addr);
memcpy(gfx.DMEM + dmem_addr, gfx.RDRAM + addr, len);
}
else
{
int dmem_addr = (idx<<3) + ofs;
FRDP ("Load from DMEM. %08lx -> %08lx\n", dmem_addr, addr);
memcpy(gfx.RDRAM + addr, gfx.DMEM + dmem_addr, len);
}
break;
case 4: // model matrix
case 6: // projection matrix
case 8: // combined matrix
{
DECLAREALIGN16VAR(m[4][4]);
load_matrix(m, addr);
switch (idx)
{
case 4: // model matrix
LRDP("Modelview load\n");
modelview_load (m);
break;
case 6: // projection matrix
LRDP("Projection load\n");
projection_load (m);
break;
case 8: // projection matrix
LRDP("Combined load\n");
rdp.update &= ~UPDATE_MULT_MAT;
memcpy (rdp.combined, m, 64);;
break;
}
#ifdef EXTREME_LOGGING
FRDP ("{%f,%f,%f,%f}\n", m[0][0], m[0][1], m[0][2], m[0][3]);
FRDP ("{%f,%f,%f,%f}\n", m[1][0], m[1][1], m[1][2], m[1][3]);
FRDP ("{%f,%f,%f,%f}\n", m[2][0], m[2][1], m[2][2], m[2][3]);
FRDP ("{%f,%f,%f,%f}\n", m[3][0], m[3][1], m[3][2], m[3][3]);
FRDP ("\nmodel\n{%f,%f,%f,%f}\n", rdp.model[0][0], rdp.model[0][1], rdp.model[0][2], rdp.model[0][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.model[1][0], rdp.model[1][1], rdp.model[1][2], rdp.model[1][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.model[2][0], rdp.model[2][1], rdp.model[2][2], rdp.model[2][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.model[3][0], rdp.model[3][1], rdp.model[3][2], rdp.model[3][3]);
FRDP ("\nproj\n{%f,%f,%f,%f}\n", rdp.proj[0][0], rdp.proj[0][1], rdp.proj[0][2], rdp.proj[0][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.proj[1][0], rdp.proj[1][1], rdp.proj[1][2], rdp.proj[1][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.proj[2][0], rdp.proj[2][1], rdp.proj[2][2], rdp.proj[2][3]);
FRDP ("{%f,%f,%f,%f}\n", rdp.proj[3][0], rdp.proj[3][1], rdp.proj[3][2], rdp.proj[3][3]);
#endif
}
break;
case 10:
LRDP("Othermode - IGNORED\n");
break;
case 12: // VIEWPORT
{
uint32_t a = addr >> 1;
short scale_x = ((short*)gfx.RDRAM)[(a+0)^1] >> 2;
short scale_y = ((short*)gfx.RDRAM)[(a+1)^1] >> 2;
short scale_z = ((short*)gfx.RDRAM)[(a+2)^1];
rdp.fog_multiplier = ((short*)gfx.RDRAM)[(a+3)^1];
short trans_x = ((short*)gfx.RDRAM)[(a+4)^1] >> 2;
short trans_y = ((short*)gfx.RDRAM)[(a+5)^1] >> 2;
short trans_z = ((short*)gfx.RDRAM)[(a+6)^1];
rdp.fog_offset = ((short*)gfx.RDRAM)[(a+7)^1];
rdp.view_scale[0] = scale_x * rdp.scale_x;
rdp.view_scale[1] = scale_y * rdp.scale_y;
rdp.view_scale[2] = 32.0f * scale_z;
rdp.view_trans[0] = trans_x * rdp.scale_x;
rdp.view_trans[1] = trans_y * rdp.scale_y;
rdp.view_trans[2] = 32.0f * trans_z;
zSortRdp.view_scale[0] = (float)(scale_x*4);
zSortRdp.view_scale[1] = (float)(scale_y*4);
zSortRdp.view_trans[0] = (float)(trans_x*4);
zSortRdp.view_trans[1] = (float)(trans_y*4);
zSortRdp.scale_x = rdp.scale_x / 4.0f;
zSortRdp.scale_y = rdp.scale_y / 4.0f;
rdp.update |= UPDATE_VIEWPORT;
rdp.mipmap_level = 0;
rdp.cur_tile = 0;
TILE *tmp_tile = &rdp.tiles[0];
tmp_tile->on = 1;
tmp_tile->org_s_scale = 0xFFFF;
tmp_tile->org_t_scale = 0xFFFF;
tmp_tile->s_scale = 0.031250f;
tmp_tile->t_scale = 0.031250f;
rdp.geom_mode |= 0x0200;
FRDP ("viewport scale(%d, %d, %d), trans(%d, %d, %d), from:%08lx\n", scale_x, scale_y, scale_z,
trans_x, trans_y, trans_z, a);
FRDP ("fog: multiplier: %f, offset: %f\n", rdp.fog_multiplier, rdp.fog_offset);
}
break;
default:
FRDP ("** UNKNOWN %d\n", idx);
}
}
static void uc9_setscissor()
{
rdp_setscissor();
if ((rdp.scissor_o.lr_x - rdp.scissor_o.ul_x) > (zSortRdp.view_scale[0] - zSortRdp.view_trans[0]))
{
float w = (rdp.scissor_o.lr_x - rdp.scissor_o.ul_x) / 2.0f;
float h = (rdp.scissor_o.lr_y - rdp.scissor_o.ul_y) / 2.0f;
rdp.view_scale[0] = w * rdp.scale_x;
rdp.view_scale[1] = h * rdp.scale_y;
rdp.view_trans[0] = w * rdp.scale_x;
rdp.view_trans[1] = h * rdp.scale_y;
zSortRdp.view_scale[0] = w * 4.0f;
zSortRdp.view_scale[1] = h * 4.0f;
zSortRdp.view_trans[0] = w * 4.0f;
zSortRdp.view_trans[1] = h * 4.0f;
zSortRdp.scale_x = rdp.scale_x / 4.0f;
zSortRdp.scale_y = rdp.scale_y / 4.0f;
rdp.update |= UPDATE_VIEWPORT;
rdp.mipmap_level = 0;
rdp.cur_tile = 0;
TILE *tmp_tile = &rdp.tiles[0];
tmp_tile->on = 1;
tmp_tile->org_s_scale = 0xFFFF;
tmp_tile->org_t_scale = 0xFFFF;
tmp_tile->s_scale = 0.031250f;
tmp_tile->t_scale = 0.031250f;
rdp.geom_mode |= 0x0200;
}
}
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