519 lines
20 KiB
C
519 lines
20 KiB
C
/*
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* Glide64 - Glide video plugin for Nintendo 64 emulators.
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* Copyright (c) 2002 Dave2001
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* Copyright (c) 2003-2009 Sergey 'Gonetz' Lipski
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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//****************************************************************
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//
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// Glide64 - Glide Plugin for Nintendo 64 emulators
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// Project started on December 29th, 2001
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//
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// Authors:
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// Dave2001, original author, founded the project in 2001, left it in 2002
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// Gugaman, joined the project in 2002, left it in 2002
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// Sergey 'Gonetz' Lipski, joined the project in 2002, main author since fall of 2002
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// Hiroshi 'KoolSmoky' Morii, joined the project in 2007
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//
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//****************************************************************
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//
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// To modify Glide64:
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// * 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.
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// * 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.
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//
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//****************************************************************
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//
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// January 2004 Created by Gonetz (Gonetz@ngs.ru)
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//
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//****************************************************************
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uint32_t uc8_normale_addr = 0;
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float uc8_coord_mod[16];
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static void uc8_vertex()
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{
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if (rdp.update & UPDATE_MULT_MAT)
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{
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rdp.update ^= UPDATE_MULT_MAT;
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MulMatrices(rdp.model, rdp.proj, rdp.combined);
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}
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uint32_t addr = segoffset(rdp.cmd1);
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int v0, i, n;
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float x, y, z;
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rdp.vn = n = (rdp.cmd0 >> 12) & 0xFF;
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rdp.v0 = v0 = ((rdp.cmd0 >> 1) & 0x7F) - n;
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WriteTrace(TraceRDP, TraceDebug, "uc8:vertex n: %d, v0: %d, from: %08lx", n, v0, addr);
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if (v0 < 0)
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{
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WriteTrace(TraceRDP, TraceWarning, "** ERROR: uc2:vertex v0 < 0");
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return;
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}
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//*
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// This is special, not handled in update()
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if (rdp.update & UPDATE_LIGHTS)
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{
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rdp.update ^= UPDATE_LIGHTS;
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// Calculate light vectors
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for (uint32_t l = 0; l < rdp.num_lights; l++)
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{
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InverseTransformVector(&rdp.light[l].dir_x, rdp.light_vector[l], rdp.model);
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NormalizeVector(rdp.light_vector[l]);
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WriteTrace(TraceRDP, TraceVerbose, "light_vector[%d] x: %f, y: %f, z: %f", l, rdp.light_vector[l][0], rdp.light_vector[l][1], rdp.light_vector[l][2]);
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}
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}
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//*/
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for (i = 0; i < (n << 4); i += 16)
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{
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VERTEX *v = &rdp.vtx[v0 + (i >> 4)];
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x = (float)((short*)gfx.RDRAM)[(((addr + i) >> 1) + 0) ^ 1];
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y = (float)((short*)gfx.RDRAM)[(((addr + i) >> 1) + 1) ^ 1];
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z = (float)((short*)gfx.RDRAM)[(((addr + i) >> 1) + 2) ^ 1];
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v->flags = ((uint16_t*)gfx.RDRAM)[(((addr + i) >> 1) + 3) ^ 1];
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v->ou = (float)((short*)gfx.RDRAM)[(((addr + i) >> 1) + 4) ^ 1];
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v->ov = (float)((short*)gfx.RDRAM)[(((addr + i) >> 1) + 5) ^ 1];
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v->uv_scaled = 0;
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v->a = ((uint8_t*)gfx.RDRAM)[(addr + i + 15) ^ 3];
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WriteTrace(TraceRDP, TraceVerbose, "before v%d - x: %f, y: %f, z: %f", i >> 4, x, y, z);
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v->x = x*rdp.combined[0][0] + y*rdp.combined[1][0] + z*rdp.combined[2][0] + rdp.combined[3][0];
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v->y = x*rdp.combined[0][1] + y*rdp.combined[1][1] + z*rdp.combined[2][1] + rdp.combined[3][1];
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v->z = x*rdp.combined[0][2] + y*rdp.combined[1][2] + z*rdp.combined[2][2] + rdp.combined[3][2];
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v->w = x*rdp.combined[0][3] + y*rdp.combined[1][3] + z*rdp.combined[2][3] + rdp.combined[3][3];
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WriteTrace(TraceRDP, TraceVerbose, "v%d - x: %f, y: %f, z: %f, w: %f, u: %f, v: %f, flags: %d", i >> 4, v->x, v->y, v->z, v->w, v->ou, v->ov, v->flags);
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if (fabs(v->w) < 0.001) v->w = 0.001f;
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v->oow = 1.0f / v->w;
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v->x_w = v->x * v->oow;
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v->y_w = v->y * v->oow;
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v->z_w = v->z * v->oow;
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v->uv_calculated = 0xFFFFFFFF;
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v->screen_translated = 0;
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v->shade_mod = 0;
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v->scr_off = 0;
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if (v->x < -v->w) v->scr_off |= 1;
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if (v->x > v->w) v->scr_off |= 2;
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if (v->y < -v->w) v->scr_off |= 4;
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if (v->y > v->w) v->scr_off |= 8;
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if (v->w < 0.1f) v->scr_off |= 16;
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///*
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v->r = ((uint8_t*)gfx.RDRAM)[(addr + i + 12) ^ 3];
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v->g = ((uint8_t*)gfx.RDRAM)[(addr + i + 13) ^ 3];
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v->b = ((uint8_t*)gfx.RDRAM)[(addr + i + 14) ^ 3];
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WriteTrace(TraceRDP, TraceVerbose, "r: %02lx, g: %02lx, b: %02lx, a: %02lx", v->r, v->g, v->b, v->a);
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if ((rdp.geom_mode & 0x00020000))
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{
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uint32_t shift = v0 << 1;
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v->vec[0] = ((char*)gfx.RDRAM)[(uc8_normale_addr + (i >> 3) + shift + 0) ^ 3];
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v->vec[1] = ((char*)gfx.RDRAM)[(uc8_normale_addr + (i >> 3) + shift + 1) ^ 3];
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v->vec[2] = (char)(v->flags & 0xff);
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if (rdp.geom_mode & 0x80000)
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{
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calc_linear(v);
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WriteTrace(TraceRDP, TraceVerbose, "calc linear: v%d - u: %f, v: %f", i >> 4, v->ou, v->ov);
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}
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else if (rdp.geom_mode & 0x40000)
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{
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calc_sphere(v);
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WriteTrace(TraceRDP, TraceVerbose, "calc sphere: v%d - u: %f, v: %f", i >> 4, v->ou, v->ov);
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}
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WriteTrace(TraceRDP, TraceDebug, "v[%d] calc light. r: 0x%02lx, g: 0x%02lx, b: 0x%02lx", i >> 4, v->r, v->g, v->b);
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float color[3] = { rdp.light[rdp.num_lights].r, rdp.light[rdp.num_lights].g, rdp.light[rdp.num_lights].b };
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WriteTrace(TraceRDP, TraceDebug, "ambient light. r: %f, g: %f, b: %f", color[0], color[1], color[2]);
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float light_intensity = 0.0f;
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uint32_t l;
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if (rdp.geom_mode & 0x00400000)
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{
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NormalizeVector(v->vec);
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for (l = 0; l < rdp.num_lights - 1; l++)
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{
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if (!rdp.light[l].nonblack)
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continue;
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light_intensity = DotProduct(rdp.light_vector[l], v->vec);
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WriteTrace(TraceRDP, TraceDebug, "light %d, intensity : %f", l, light_intensity);
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if (light_intensity < 0.0f)
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continue;
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//*
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if (rdp.light[l].ca > 0.0f)
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{
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float vx = (v->x + uc8_coord_mod[8])*uc8_coord_mod[12] - rdp.light[l].x;
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float vy = (v->y + uc8_coord_mod[9])*uc8_coord_mod[13] - rdp.light[l].y;
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float vz = (v->z + uc8_coord_mod[10])*uc8_coord_mod[14] - rdp.light[l].z;
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float vw = (v->w + uc8_coord_mod[11])*uc8_coord_mod[15] - rdp.light[l].w;
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float len = (vx*vx + vy*vy + vz*vz + vw*vw) / 65536.0f;
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float p_i = rdp.light[l].ca / len;
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if (p_i > 1.0f) p_i = 1.0f;
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light_intensity *= p_i;
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WriteTrace(TraceRDP, TraceDebug, "light %d, len: %f, p_intensity : %f", l, len, p_i);
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}
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//*/
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color[0] += rdp.light[l].r * light_intensity;
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color[1] += rdp.light[l].g * light_intensity;
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color[2] += rdp.light[l].b * light_intensity;
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WriteTrace(TraceRDP, TraceDebug, "light %d r: %f, g: %f, b: %f", l, color[0], color[1], color[2]);
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}
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light_intensity = DotProduct(rdp.light_vector[l], v->vec);
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WriteTrace(TraceRDP, TraceDebug, "light %d, intensity : %f", l, light_intensity);
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if (light_intensity > 0.0f)
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{
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color[0] += rdp.light[l].r * light_intensity;
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color[1] += rdp.light[l].g * light_intensity;
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color[2] += rdp.light[l].b * light_intensity;
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}
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WriteTrace(TraceRDP, TraceDebug, "light %d r: %f, g: %f, b: %f", l, color[0], color[1], color[2]);
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}
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else
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{
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for (l = 0; l < rdp.num_lights; l++)
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{
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if (rdp.light[l].nonblack && rdp.light[l].nonzero)
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{
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float vx = (v->x + uc8_coord_mod[8])*uc8_coord_mod[12] - rdp.light[l].x;
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float vy = (v->y + uc8_coord_mod[9])*uc8_coord_mod[13] - rdp.light[l].y;
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float vz = (v->z + uc8_coord_mod[10])*uc8_coord_mod[14] - rdp.light[l].z;
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float vw = (v->w + uc8_coord_mod[11])*uc8_coord_mod[15] - rdp.light[l].w;
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float len = (vx*vx + vy*vy + vz*vz + vw*vw) / 65536.0f;
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light_intensity = rdp.light[l].ca / len;
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if (light_intensity > 1.0f) light_intensity = 1.0f;
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WriteTrace(TraceRDP, TraceDebug, "light %d, p_intensity : %f", l, light_intensity);
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color[0] += rdp.light[l].r * light_intensity;
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color[1] += rdp.light[l].g * light_intensity;
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color[2] += rdp.light[l].b * light_intensity;
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//WriteTrace(TraceRDP, TraceDebug, "light %d r: %f, g: %f, b: %f", l, color[0], color[1], color[2]);
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}
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}
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}
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if (color[0] > 1.0f) color[0] = 1.0f;
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if (color[1] > 1.0f) color[1] = 1.0f;
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if (color[2] > 1.0f) color[2] = 1.0f;
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v->r = (uint8_t)(((float)v->r)*color[0]);
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v->g = (uint8_t)(((float)v->g)*color[1]);
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v->b = (uint8_t)(((float)v->b)*color[2]);
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WriteTrace(TraceRDP, TraceVerbose, "color after light: r: 0x%02lx, g: 0x%02lx, b: 0x%02lx", v->r, v->g, v->b);
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}
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}
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}
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static void uc8_moveword()
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{
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uint8_t index = (uint8_t)((rdp.cmd0 >> 16) & 0xFF);
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uint16_t offset = (uint16_t)(rdp.cmd0 & 0xFFFF);
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uint32_t data = rdp.cmd1;
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WriteTrace(TraceRDP, TraceDebug, "uc8:moveword ");
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switch (index)
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{
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// NOTE: right now it's assuming that it sets the integer part first. This could
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// be easily fixed, but only if i had something to test with.
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case 0x02:
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rdp.num_lights = (data / 48);
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rdp.update |= UPDATE_LIGHTS;
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WriteTrace(TraceRDP, TraceDebug, "numlights: %d", rdp.num_lights);
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break;
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case 0x04:
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if (offset == 0x04)
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{
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rdp.clip_ratio = sqrt((float)rdp.cmd1);
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rdp.update |= UPDATE_VIEWPORT;
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}
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WriteTrace(TraceRDP, TraceDebug, "mw_clip %08lx, %08lx", rdp.cmd0, rdp.cmd1);
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break;
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case 0x06: // moveword SEGMENT
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{
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WriteTrace(TraceRDP, TraceDebug, "SEGMENT %08lx -> seg%d", data, offset >> 2);
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rdp.segment[(offset >> 2) & 0xF] = data;
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}
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break;
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case 0x08:
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{
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rdp.fog_multiplier = (short)(rdp.cmd1 >> 16);
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rdp.fog_offset = (short)(rdp.cmd1 & 0x0000FFFF);
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WriteTrace(TraceRDP, TraceDebug, "fog: multiplier: %f, offset: %f", rdp.fog_multiplier, rdp.fog_offset);
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}
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break;
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case 0x0c:
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WriteTrace(TraceRDP, TraceWarning, "uc8:moveword forcemtx - IGNORED");
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break;
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case 0x0e:
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WriteTrace(TraceRDP, TraceDebug, "perspnorm - IGNORED");
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break;
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case 0x10: // moveword coord mod
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{
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uint8_t n = offset >> 2;
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WriteTrace(TraceRDP, TraceDebug, "coord mod:%d, %08lx", n, data);
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if (rdp.cmd0 & 8)
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return;
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uint32_t idx = (rdp.cmd0 >> 1) & 3;
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uint32_t pos = rdp.cmd0 & 0x30;
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if (pos == 0)
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{
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uc8_coord_mod[0 + idx] = (short)(rdp.cmd1 >> 16);
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uc8_coord_mod[1 + idx] = (short)(rdp.cmd1 & 0xffff);
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}
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else if (pos == 0x10)
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{
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uc8_coord_mod[4 + idx] = (rdp.cmd1 >> 16) / 65536.0f;
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uc8_coord_mod[5 + idx] = (rdp.cmd1 & 0xffff) / 65536.0f;
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uc8_coord_mod[12 + idx] = uc8_coord_mod[0 + idx] + uc8_coord_mod[4 + idx];
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uc8_coord_mod[13 + idx] = uc8_coord_mod[1 + idx] + uc8_coord_mod[5 + idx];
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}
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else if (pos == 0x20)
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{
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uc8_coord_mod[8 + idx] = (short)(rdp.cmd1 >> 16);
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uc8_coord_mod[9 + idx] = (short)(rdp.cmd1 & 0xffff);
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if (idx)
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{
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for (int k = 8; k < 16; k++)
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{
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WriteTrace(TraceRDP, TraceVerbose, "coord_mod[%d]=%f", k, uc8_coord_mod[k]);
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}
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}
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}
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}
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break;
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default:
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WriteTrace(TraceRDP, TraceWarning, "uc8:moveword unknown (index: 0x%08lx, offset 0x%08lx)", index, offset);
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}
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}
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static void uc8_movemem()
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{
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int idx = rdp.cmd0 & 0xFF;
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uint32_t addr = segoffset(rdp.cmd1);
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int ofs = (rdp.cmd0 >> 5) & 0x3FFF;
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WriteTrace(TraceRDP, TraceDebug, "uc8:movemem ofs:%d ", ofs);
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switch (idx)
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{
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case 8: // VIEWPORT
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{
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uint32_t a = addr >> 1;
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short scale_x = ((short*)gfx.RDRAM)[(a + 0) ^ 1] >> 2;
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short scale_y = ((short*)gfx.RDRAM)[(a + 1) ^ 1] >> 2;
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short scale_z = ((short*)gfx.RDRAM)[(a + 2) ^ 1];
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short trans_x = ((short*)gfx.RDRAM)[(a + 4) ^ 1] >> 2;
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short trans_y = ((short*)gfx.RDRAM)[(a + 5) ^ 1] >> 2;
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short trans_z = ((short*)gfx.RDRAM)[(a + 6) ^ 1];
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rdp.view_scale[0] = scale_x * rdp.scale_x;
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rdp.view_scale[1] = -scale_y * rdp.scale_y;
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rdp.view_scale[2] = 32.0f * scale_z;
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rdp.view_trans[0] = trans_x * rdp.scale_x;
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rdp.view_trans[1] = trans_y * rdp.scale_y;
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rdp.view_trans[2] = 32.0f * trans_z;
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rdp.update |= UPDATE_VIEWPORT;
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WriteTrace(TraceRDP, TraceDebug, "viewport scale(%d, %d), trans(%d, %d), from:%08lx", scale_x, scale_y,
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trans_x, trans_y, a);
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}
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break;
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case 10: // LIGHT
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{
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int n = (ofs / 48);
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if (n < 2)
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{
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char dir_x = ((char*)gfx.RDRAM)[(addr + 8) ^ 3];
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rdp.lookat[n][0] = (float)(dir_x) / 127.0f;
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char dir_y = ((char*)gfx.RDRAM)[(addr + 9) ^ 3];
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rdp.lookat[n][1] = (float)(dir_y) / 127.0f;
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char dir_z = ((char*)gfx.RDRAM)[(addr + 10) ^ 3];
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rdp.lookat[n][2] = (float)(dir_z) / 127.0f;
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rdp.use_lookat = TRUE;
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if (n == 1)
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{
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if (!dir_x && !dir_y)
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rdp.use_lookat = FALSE;
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}
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WriteTrace(TraceRDP, TraceDebug, "lookat_%d (%f, %f, %f)", n, rdp.lookat[n][0], rdp.lookat[n][1], rdp.lookat[n][2]);
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return;
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}
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n -= 2;
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uint8_t col = gfx.RDRAM[(addr + 0) ^ 3];
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rdp.light[n].r = (float)col / 255.0f;
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rdp.light[n].nonblack = col;
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col = gfx.RDRAM[(addr + 1) ^ 3];
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rdp.light[n].g = (float)col / 255.0f;
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rdp.light[n].nonblack += col;
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col = gfx.RDRAM[(addr + 2) ^ 3];
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rdp.light[n].b = (float)col / 255.0f;
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rdp.light[n].nonblack += col;
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rdp.light[n].a = 1.0f;
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rdp.light[n].dir_x = (float)(((char*)gfx.RDRAM)[(addr + 8) ^ 3]) / 127.0f;
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rdp.light[n].dir_y = (float)(((char*)gfx.RDRAM)[(addr + 9) ^ 3]) / 127.0f;
|
|
rdp.light[n].dir_z = (float)(((char*)gfx.RDRAM)[(addr + 10) ^ 3]) / 127.0f;
|
|
// **
|
|
uint32_t a = addr >> 1;
|
|
rdp.light[n].x = (float)(((short*)gfx.RDRAM)[(a + 16) ^ 1]);
|
|
rdp.light[n].y = (float)(((short*)gfx.RDRAM)[(a + 17) ^ 1]);
|
|
rdp.light[n].z = (float)(((short*)gfx.RDRAM)[(a + 18) ^ 1]);
|
|
rdp.light[n].w = (float)(((short*)gfx.RDRAM)[(a + 19) ^ 1]);
|
|
rdp.light[n].nonzero = gfx.RDRAM[(addr + 12) ^ 3];
|
|
rdp.light[n].ca = (float)rdp.light[n].nonzero / 16.0f;
|
|
//rdp.light[n].la = rdp.light[n].ca * 1.0f;
|
|
WriteTrace(TraceRDP, TraceVerbose, "light: n: %d, pos: x: %f, y: %f, z: %f, w: %f, ca: %f",
|
|
n, rdp.light[n].x, rdp.light[n].y, rdp.light[n].z, rdp.light[n].w, rdp.light[n].ca);
|
|
WriteTrace(TraceRDP, TraceDebug, "light: n: %d, r: %f, g: %f, b: %f. dir: x: %.3f, y: %.3f, z: %.3f",
|
|
n, rdp.light[n].r, rdp.light[n].g, rdp.light[n].b,
|
|
rdp.light[n].dir_x, rdp.light[n].dir_y, rdp.light[n].dir_z);
|
|
for (int t = 0; t < 24; t++)
|
|
{
|
|
WriteTrace(TraceRDP, TraceVerbose, "light[%d] = 0x%04lx ", t, ((uint16_t*)gfx.RDRAM)[(a + t) ^ 1]);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 14: //Normales
|
|
{
|
|
uc8_normale_addr = segoffset(rdp.cmd1);
|
|
WriteTrace(TraceRDP, TraceVerbose, "Normale - addr: %08lx", uc8_normale_addr);
|
|
int i;
|
|
for (i = 0; i < 32; i++)
|
|
{
|
|
char x = ((char*)gfx.RDRAM)[uc8_normale_addr + ((i << 1) + 0) ^ 3];
|
|
char y = ((char*)gfx.RDRAM)[uc8_normale_addr + ((i << 1) + 1) ^ 3];
|
|
WriteTrace(TraceRDP, TraceVerbose, "#%d x = %d, y = %d", i, x, y);
|
|
}
|
|
uint32_t a = uc8_normale_addr >> 1;
|
|
for (i = 0; i < 32; i++)
|
|
{
|
|
WriteTrace(TraceRDP, TraceVerbose, "n[%d] = 0x%04lx ", i, ((uint16_t*)gfx.RDRAM)[(a + i) ^ 1]);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
WriteTrace(TraceRDP, TraceDebug, "uc8:movemem unknown (%d)", idx);
|
|
}
|
|
}
|
|
|
|
static void uc8_tri4() //by Gugaman Apr 19 2002
|
|
{
|
|
if (rdp.skip_drawing)
|
|
{
|
|
WriteTrace(TraceRDP, TraceDebug, "uc8:tri4. skipped");
|
|
return;
|
|
}
|
|
|
|
WriteTrace(TraceRDP, TraceDebug, "uc8:tri4 (#%d - #%d), %d-%d-%d, %d-%d-%d, %d-%d-%d, %d-%d-%d",
|
|
rdp.tri_n,
|
|
rdp.tri_n + 3,
|
|
((rdp.cmd0 >> 23) & 0x1F),
|
|
((rdp.cmd0 >> 18) & 0x1F),
|
|
((((rdp.cmd0 >> 15) & 0x7) << 2) | ((rdp.cmd1 >> 30) & 0x3)),
|
|
((rdp.cmd0 >> 10) & 0x1F),
|
|
((rdp.cmd0 >> 5) & 0x1F),
|
|
((rdp.cmd0 >> 0) & 0x1F),
|
|
((rdp.cmd1 >> 25) & 0x1F),
|
|
((rdp.cmd1 >> 20) & 0x1F),
|
|
((rdp.cmd1 >> 15) & 0x1F),
|
|
((rdp.cmd1 >> 10) & 0x1F),
|
|
((rdp.cmd1 >> 5) & 0x1F),
|
|
((rdp.cmd1 >> 0) & 0x1F));
|
|
|
|
VERTEX *v[12] = {
|
|
&rdp.vtx[(rdp.cmd0 >> 23) & 0x1F],
|
|
&rdp.vtx[(rdp.cmd0 >> 18) & 0x1F],
|
|
&rdp.vtx[((((rdp.cmd0 >> 15) & 0x7) << 2) | ((rdp.cmd1 >> 30) & 0x3))],
|
|
&rdp.vtx[(rdp.cmd0 >> 10) & 0x1F],
|
|
&rdp.vtx[(rdp.cmd0 >> 5) & 0x1F],
|
|
&rdp.vtx[(rdp.cmd0 >> 0) & 0x1F],
|
|
&rdp.vtx[(rdp.cmd1 >> 25) & 0x1F],
|
|
&rdp.vtx[(rdp.cmd1 >> 20) & 0x1F],
|
|
&rdp.vtx[(rdp.cmd1 >> 15) & 0x1F],
|
|
&rdp.vtx[(rdp.cmd1 >> 10) & 0x1F],
|
|
&rdp.vtx[(rdp.cmd1 >> 5) & 0x1F],
|
|
&rdp.vtx[(rdp.cmd1 >> 0) & 0x1F]
|
|
};
|
|
|
|
int updated = 0;
|
|
|
|
if (cull_tri(v))
|
|
rdp.tri_n++;
|
|
else
|
|
{
|
|
updated = 1;
|
|
update();
|
|
|
|
draw_tri(v);
|
|
rdp.tri_n++;
|
|
}
|
|
|
|
if (cull_tri(v + 3))
|
|
rdp.tri_n++;
|
|
else
|
|
{
|
|
if (!updated)
|
|
{
|
|
updated = 1;
|
|
update();
|
|
}
|
|
|
|
draw_tri(v + 3);
|
|
rdp.tri_n++;
|
|
}
|
|
|
|
if (cull_tri(v + 6))
|
|
rdp.tri_n++;
|
|
else
|
|
{
|
|
if (!updated)
|
|
{
|
|
updated = 1;
|
|
update();
|
|
}
|
|
|
|
draw_tri(v + 6);
|
|
rdp.tri_n++;
|
|
}
|
|
|
|
if (cull_tri(v + 9))
|
|
rdp.tri_n++;
|
|
else
|
|
{
|
|
if (!updated)
|
|
{
|
|
updated = 1;
|
|
update();
|
|
}
|
|
|
|
draw_tri(v + 9);
|
|
rdp.tri_n++;
|
|
}
|
|
}
|