/* * Glide64 - Glide video plugin for Nintendo 64 emulators. * Copyright (c) 2002 Dave2001 * * 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 (tested mostly with Project64) // Project started on December 29th, 2001 // // 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. // // Official Glide64 development channel: #Glide64 on EFnet // // Original author: Dave2001 (Dave2999@hotmail.com) // Other authors: Gonetz, Gugaman // //**************************************************************** #ifndef _WIN32 #define min(a,b) ((a) < (b) ? (a) : (b)) #define max(a,b) ((a) > (b) ? (a) : (b)) #endif // _WIN32 static void mod_tex_inter_color_using_factor_CI (DWORD color, DWORD factor) { float percent = factor / 255.0f; float percent_i = 1 - percent; BYTE cr, cg, cb; WORD col; BYTE a, r, g, b; cr = (BYTE)((color >> 24) & 0xFF); cg = (BYTE)((color >> 16) & 0xFF); cb = (BYTE)((color >> 8) & 0xFF); for (int i=0; i<256; i++) { col = rdp.pal_8[i]; a = (BYTE)(col&0x0001);; r = (BYTE)((float)((col&0xF800) >> 11) / 31.0f * 255.0f); g = (BYTE)((float)((col&0x07C0) >> 6) / 31.0f * 255.0f); b = (BYTE)((float)((col&0x003E) >> 1) / 31.0f * 255.0f); r = (BYTE)(min(255, percent_i * r + percent * cr)); g = (BYTE)(min(255, percent_i * g + percent * cg)); b = (BYTE)(min(255, percent_i * b + percent * cb)); rdp.pal_8[i] = (WORD)(((WORD)(r >> 3) << 11) | ((WORD)(g >> 3) << 6) | ((WORD)(b >> 3) << 1) | ((WORD)(a ) << 0)); } } static void mod_tex_inter_col_using_col1_CI (DWORD color0, DWORD color1) { BYTE cr, cg, cb; WORD col; BYTE a, r, g, b; float percent_r = ((color1 >> 24) & 0xFF) / 255.0f; float percent_g = ((color1 >> 16) & 0xFF) / 255.0f; float percent_b = ((color1 >> 8) & 0xFF) / 255.0f; float percent_r_i = 1.0f - percent_r; float percent_g_i = 1.0f - percent_g; float percent_b_i = 1.0f - percent_b; cr = (BYTE)((color0 >> 24) & 0xFF); cg = (BYTE)((color0 >> 16) & 0xFF); cb = (BYTE)((color0 >> 8) & 0xFF); for (int i=0; i<256; i++) { col = rdp.pal_8[i]; a = (BYTE)(col&0x0001);; r = (BYTE)((float)((col&0xF800) >> 11) / 31.0f * 255.0f); g = (BYTE)((float)((col&0x07C0) >> 6) / 31.0f * 255.0f); b = (BYTE)((float)((col&0x003E) >> 1) / 31.0f * 255.0f); r = (BYTE)(min(255, percent_r_i * r + percent_r * cr)); g = (BYTE)(min(255, percent_g_i * g + percent_g * cg)); b = (BYTE)(min(255, percent_b_i * b + percent_b * cb)); rdp.pal_8[i] = (WORD)(((WORD)(r >> 3) << 11) | ((WORD)(g >> 3) << 6) | ((WORD)(b >> 3) << 1) | ((WORD)(a ) << 0)); } } static void mod_full_color_sub_tex_CI (DWORD color) { BYTE cr, cg, cb, ca; WORD col; BYTE a, r, g, b; cr = (BYTE)((color >> 24) & 0xFF); cg = (BYTE)((color >> 16) & 0xFF); cb = (BYTE)((color >> 8) & 0xFF); ca = (BYTE)(color & 0xFF); for (int i=0; i<256; i++) { col = rdp.pal_8[i]; a = (BYTE)(col&0x0001);; r = (BYTE)((float)((col&0xF800) >> 11) / 31.0f * 255.0f); g = (BYTE)((float)((col&0x07C0) >> 6) / 31.0f * 255.0f); b = (BYTE)((float)((col&0x003E) >> 1) / 31.0f * 255.0f); a = max(0, ca - a); r = max(0, cr - r); g = max(0, cg - g); b = max(0, cb - b); rdp.pal_8[i] = (WORD)(((WORD)(r >> 3) << 11) | ((WORD)(g >> 3) << 6) | ((WORD)(b >> 3) << 1) | ((WORD)(a ) << 0)); } } static void mod_col_inter_col1_using_tex_CI (DWORD color0, DWORD color1) { DWORD cr0, cg0, cb0, cr1, cg1, cb1; WORD col; BYTE a, r, g, b; float percent_r, percent_g, percent_b; cr0 = (BYTE)((color0 >> 24) & 0xFF); cg0 = (BYTE)((color0 >> 16) & 0xFF); cb0 = (BYTE)((color0 >> 8) & 0xFF); cr1 = (BYTE)((color1 >> 24) & 0xFF); cg1 = (BYTE)((color1 >> 16) & 0xFF); cb1 = (BYTE)((color1 >> 8) & 0xFF); for (int i=0; i<256; i++) { col = rdp.pal_8[i]; a = (BYTE)(col&0x0001);; percent_r = ((col&0xF800) >> 11) / 31.0f; percent_g = ((col&0x07C0) >> 6) / 31.0f; percent_b = ((col&0x003E) >> 1) / 31.0f; r = (BYTE)(min((1.0f-percent_r) * cr0 + percent_r * cr1, 255)); g = (BYTE)(min((1.0f-percent_g) * cg0 + percent_g * cg1, 255)); b = (BYTE)(min((1.0f-percent_b) * cb0 + percent_b * cb1, 255)); rdp.pal_8[i] = (WORD)(((WORD)(r >> 3) << 11) | ((WORD)(g >> 3) << 6) | ((WORD)(b >> 3) << 1) | ((WORD)(a ) << 0)); } } static void mod_tex_sub_col_mul_fac_add_tex_CI (DWORD color, DWORD factor) { float percent = factor / 255.0f; BYTE cr, cg, cb, a; WORD col; float r, g, b; cr = (BYTE)((color >> 24) & 0xFF); cg = (BYTE)((color >> 16) & 0xFF); cb = (BYTE)((color >> 8) & 0xFF); for (int i=0; i<256; i++) { col = rdp.pal_8[i]; a = (BYTE)(col&0x0001);; r = (BYTE)((float)((col&0xF800) >> 11) / 31.0f * 255.0f); g = (BYTE)((float)((col&0x07C0) >> 6) / 31.0f * 255.0f); b = (BYTE)((float)((col&0x003E) >> 1) / 31.0f * 255.0f); r = (r - cr) * percent + r; if (r > 255.0f) r = 255.0f; if (r < 0.0f) r = 0.0f; g = (g - cg) * percent + g; if (g > 255.0f) g = 255.0f; if (g < 0.0f) g = 0.0f; b = (b - cb) * percent + b; if (b > 255.0f) g = 255.0f; if (b < 0.0f) b = 0.0f; rdp.pal_8[i] = (WORD)(((WORD)((BYTE)(r) >> 3) << 11) | ((WORD)((BYTE)(g) >> 3) << 6) | ((WORD)((BYTE)(b) >> 3) << 1) | (WORD)(a) ); } } static void mod_tex_scale_col_add_col_CI (DWORD color, DWORD factor) { float percent = factor / 255.0f; float percent_r = (1.0f - ((color >> 24) & 0xFF) / 255.0f) * percent; float percent_g = (1.0f - ((color >> 16) & 0xFF) / 255.0f) * percent; float percent_b = (1.0f - ((color >> 8) & 0xFF) / 255.0f) * percent; WORD col; float base = (1.0f - percent) * 255.0f; BYTE a, r, g, b; for (int i=0; i<256; i++) { col = rdp.pal_8[i]; a = (BYTE)(col&0x0001);; r = (BYTE)((float)((col&0xF800) >> 11) / 31.0f * 255.0f); g = (BYTE)((float)((col&0x07C0) >> 6) / 31.0f * 255.0f); b = (BYTE)((float)((col&0x003E) >> 1) / 31.0f * 255.0f); r = (BYTE)(min(base + percent_r * r, 255)); g = (BYTE)(min(base + percent_g * g, 255)); b = (BYTE)(min(base + percent_b * b, 255)); rdp.pal_8[i] = (WORD)(((WORD)(r >> 3) << 11) | ((WORD)(g >> 3) << 6) | ((WORD)(b >> 3) << 1) | (WORD)(a) ); } } static void mod_tex_add_col_CI (DWORD color) { BYTE cr, cg, cb; WORD col; BYTE a, r, g, b; cr = (BYTE)((color >> 24) & 0xFF); cg = (BYTE)((color >> 16) & 0xFF); cb = (BYTE)((color >> 8) & 0xFF); for (int i=0; i<256; i++) { col = rdp.pal_8[i]; a = (BYTE)(col&0x0001);; r = (BYTE)((float)((col&0xF800) >> 11) / 31.0f * 255.0f); g = (BYTE)((float)((col&0x07C0) >> 6) / 31.0f * 255.0f); b = (BYTE)((float)((col&0x003E) >> 1) / 31.0f * 255.0f); r = min(cr + r, 255); g = min(cg + g, 255); b = min(cb + b, 255); rdp.pal_8[i] = (WORD)(((WORD)(r >> 3) << 11) | ((WORD)(g >> 3) << 6) | ((WORD)(b >> 3) << 1) | ((WORD)(a ) << 0)); } } static void mod_tex_sub_col_CI (DWORD color) { BYTE cr, cg, cb; WORD col; BYTE a, r, g, b; cr = (BYTE)((color >> 24) & 0xFF); cg = (BYTE)((color >> 16) & 0xFF); cb = (BYTE)((color >> 8) & 0xFF); for (int i=0; i<256; i++) { col = rdp.pal_8[i]; a = (BYTE)(col&0x0001);; r = (BYTE)((float)((col&0xF800) >> 11) / 31.0f * 255.0f); g = (BYTE)((float)((col&0x07C0) >> 6) / 31.0f * 255.0f); b = (BYTE)((float)((col&0x003E) >> 1) / 31.0f * 255.0f); r = max(r - cr, 0); g = max(g - cg, 0); b = max(b - cb, 0); rdp.pal_8[i] = (WORD)(((WORD)(r >> 3) << 11) | ((WORD)(g >> 3) << 6) | ((WORD)(b >> 3) << 1) | ((WORD)(a ) << 0)); } } static void mod_tex_sub_col_mul_fac_CI (DWORD color, DWORD factor) { float percent = factor / 255.0f; BYTE cr, cg, cb; WORD col; BYTE a; float r, g, b; cr = (BYTE)((color >> 24) & 0xFF); cg = (BYTE)((color >> 16) & 0xFF); cb = (BYTE)((color >> 8) & 0xFF); for (int i=0; i<256; i++) { col = rdp.pal_8[i]; a = (BYTE)(col&0x0001); r = (float)((col&0xF800) >> 11) / 31.0f * 255.0f; g = (float)((col&0x07C0) >> 6) / 31.0f * 255.0f; b = (float)((col&0x003E) >> 1) / 31.0f * 255.0f; r = (r - cr) * percent; if (r > 255.0f) r = 255.0f; if (r < 0.0f) r = 0.0f; g = (g - cg) * percent; if (g > 255.0f) g = 255.0f; if (g < 0.0f) g = 0.0f; b = (b - cb) * percent; if (b > 255.0f) g = 255.0f; if (b < 0.0f) b = 0.0f; rdp.pal_8[i] = (WORD)(((WORD)((BYTE)(r) >> 3) << 11) | ((WORD)((BYTE)(g) >> 3) << 6) | ((WORD)((BYTE)(b) >> 3) << 1) | (WORD)(a) ); } } static void mod_col_inter_tex_using_col1_CI (DWORD color0, DWORD color1) { BYTE cr, cg, cb; WORD col; BYTE a, r, g, b; float percent_r = ((color1 >> 24) & 0xFF) / 255.0f; float percent_g = ((color1 >> 16) & 0xFF) / 255.0f; float percent_b = ((color1 >> 8) & 0xFF) / 255.0f; float percent_r_i = 1.0f - percent_r; float percent_g_i = 1.0f - percent_g; float percent_b_i = 1.0f - percent_b; cr = (BYTE)((color0 >> 24) & 0xFF); cg = (BYTE)((color0 >> 16) & 0xFF); cb = (BYTE)((color0 >> 8) & 0xFF); for (int i=0; i<256; i++) { col = rdp.pal_8[i]; a = (BYTE)(col&0x0001);; r = (BYTE)((float)((col&0xF800) >> 11) / 31.0f * 255.0f); g = (BYTE)((float)((col&0x07C0) >> 6) / 31.0f * 255.0f); b = (BYTE)((float)((col&0x003E) >> 1) / 31.0f * 255.0f); r = (BYTE)(min(255, percent_r * r + percent_r_i * cr)); g = (BYTE)(min(255, percent_g * g + percent_g_i * cg)); b = (BYTE)(min(255, percent_b * b + percent_b_i * cb)); rdp.pal_8[i] = (WORD)(((WORD)(r >> 3) << 11) | ((WORD)(g >> 3) << 6) | ((WORD)(b >> 3) << 1) | ((WORD)(a ) << 0)); } } static void mod_tex_inter_col_using_texa_CI (DWORD color) { BYTE a, r, g, b; r = (BYTE)((float)((color >> 24) & 0xFF) / 255.0f * 31.0f); g = (BYTE)((float)((color >> 16) & 0xFF) / 255.0f * 31.0f); b = (BYTE)((float)((color >> 8) & 0xFF) / 255.0f * 31.0f); a = (color&0xFF) ? 1 : 0; WORD col16 = (WORD)((r<<11)|(g<<6)|(b<<1)|a); for (int i=0; i<256; i++) { if (rdp.pal_8[i]&1) rdp.pal_8[i] = col16; } } static void mod_tex_mul_col_CI (DWORD color) { BYTE a, r, g, b; WORD col; float cr, cg, cb; cr = (float)((color >> 24) & 0xFF) / 255.0f; cg = (float)((color >> 16) & 0xFF) / 255.0f; cb = (float)((color >> 8) & 0xFF) / 255.0f; for (int i=0; i<256; i++) { col = rdp.pal_8[i]; a = (BYTE)(col&0x0001);; r = (BYTE)((float)((col&0xF800) >> 11) * cr); g = (BYTE)((float)((col&0x07C0) >> 6) * cg); b = (BYTE)((float)((col&0x003E) >> 1) * cb); rdp.pal_8[i] = (WORD)(((WORD)(r >> 3) << 11) | ((WORD)(g >> 3) << 6) | ((WORD)(b >> 3) << 1) | ((WORD)(a ) << 0)); } } static void ModifyPalette(DWORD mod, DWORD modcolor, DWORD modcolor1, DWORD modfactor) { switch (mod) { case TMOD_TEX_INTER_COLOR_USING_FACTOR: mod_tex_inter_color_using_factor_CI (modcolor, modfactor); break; case TMOD_TEX_INTER_COL_USING_COL1: mod_tex_inter_col_using_col1_CI (modcolor, modcolor1); break; case TMOD_FULL_COLOR_SUB_TEX: mod_full_color_sub_tex_CI (modcolor); break; case TMOD_COL_INTER_COL1_USING_TEX: mod_col_inter_col1_using_tex_CI (modcolor, modcolor1); break; case TMOD_TEX_SUB_COL_MUL_FAC_ADD_TEX: mod_tex_sub_col_mul_fac_add_tex_CI (modcolor, modfactor); break; case TMOD_TEX_SCALE_COL_ADD_COL: mod_tex_scale_col_add_col_CI (modcolor, modfactor); break; case TMOD_TEX_ADD_COL: mod_tex_add_col_CI (modcolor); break; case TMOD_TEX_SUB_COL: mod_tex_sub_col_CI (modcolor); break; case TMOD_TEX_SUB_COL_MUL_FAC: mod_tex_sub_col_mul_fac_CI (modcolor, modfactor); break; case TMOD_COL_INTER_TEX_USING_COL1: mod_col_inter_tex_using_col1_CI (modcolor, modcolor1); break; case TMOD_TEX_INTER_COL_USING_TEXA: mod_tex_inter_col_using_texa_CI (modcolor); break; case TMOD_TEX_MUL_COL: mod_tex_mul_col_CI (modcolor); break; default: ; } }