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https://github.com/libretro/scummvm.git
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489 lines
11 KiB
C++
489 lines
11 KiB
C++
/* ScummVM - Scumm Interpreter
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* Dreamcast port
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* Copyright (C) 2002 Marcus Comstedt
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* 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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* $Header$
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*
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*/
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#include <common/scummsys.h>
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#include <common/stdafx.h>
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#include <common/engine.h>
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#include <common/gameDetector.h>
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#include "dc.h"
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#include "icon.h"
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#include "label.h"
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#include <ronin/gddrive.h>
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#define MAX_GAMES 100
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#define MAX_DIR 100
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void draw_solid_quad(float x1, float y1, float x2, float y2,
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int c0, int c1, int c2, int c3)
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{
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struct polygon_list mypoly;
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struct packed_colour_vertex_list myvertex;
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mypoly.cmd =
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TA_CMD_POLYGON|TA_CMD_POLYGON_TYPE_OPAQUE|TA_CMD_POLYGON_SUBLIST|
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TA_CMD_POLYGON_STRIPLENGTH_2|TA_CMD_POLYGON_PACKED_COLOUR|
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TA_CMD_POLYGON_GOURAUD_SHADING;
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mypoly.mode1 = TA_POLYMODE1_Z_ALWAYS|TA_POLYMODE1_NO_Z_UPDATE;
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mypoly.mode2 =
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TA_POLYMODE2_BLEND_SRC|TA_POLYMODE2_FOG_DISABLED;
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mypoly.texture = 0;
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mypoly.red = mypoly.green = mypoly.blue = mypoly.alpha = 0;
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ta_commit_list(&mypoly);
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myvertex.cmd = TA_CMD_VERTEX;
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myvertex.ocolour = 0;
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myvertex.z = 0.5;
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myvertex.u = 0.0;
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myvertex.v = 0.0;
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myvertex.colour = c0;
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myvertex.x = x1;
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myvertex.y = y1;
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ta_commit_list(&myvertex);
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myvertex.colour = c1;
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myvertex.x = x2;
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ta_commit_list(&myvertex);
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myvertex.colour = c2;
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myvertex.x = x1;
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myvertex.y = y2;
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ta_commit_list(&myvertex);
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myvertex.colour = c3;
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myvertex.x = x2;
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myvertex.cmd |= TA_CMD_VERTEX_EOS;
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ta_commit_list(&myvertex);
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}
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void draw_trans_quad(float x1, float y1, float x2, float y2,
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int c0, int c1, int c2, int c3)
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{
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struct polygon_list mypoly;
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struct packed_colour_vertex_list myvertex;
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mypoly.cmd =
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TA_CMD_POLYGON|TA_CMD_POLYGON_TYPE_TRANSPARENT|TA_CMD_POLYGON_SUBLIST|
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TA_CMD_POLYGON_STRIPLENGTH_2|TA_CMD_POLYGON_PACKED_COLOUR|
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TA_CMD_POLYGON_GOURAUD_SHADING;
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mypoly.mode1 = TA_POLYMODE1_Z_ALWAYS|TA_POLYMODE1_NO_Z_UPDATE;
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mypoly.mode2 =
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TA_POLYMODE2_BLEND_SRC_ALPHA|TA_POLYMODE2_BLEND_DST_INVALPHA|
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TA_POLYMODE2_FOG_DISABLED|TA_POLYMODE2_ENABLE_ALPHA;
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mypoly.texture = 0;
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mypoly.red = mypoly.green = mypoly.blue = mypoly.alpha = 0;
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ta_commit_list(&mypoly);
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myvertex.cmd = TA_CMD_VERTEX;
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myvertex.ocolour = 0;
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myvertex.z = 0.5;
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myvertex.u = 0.0;
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myvertex.v = 0.0;
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myvertex.colour = c0;
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myvertex.x = x1;
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myvertex.y = y1;
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ta_commit_list(&myvertex);
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myvertex.colour = c1;
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myvertex.x = x2;
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ta_commit_list(&myvertex);
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myvertex.colour = c2;
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myvertex.x = x1;
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myvertex.y = y2;
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ta_commit_list(&myvertex);
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myvertex.colour = c3;
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myvertex.x = x2;
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myvertex.cmd |= TA_CMD_VERTEX_EOS;
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ta_commit_list(&myvertex);
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}
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struct Game
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{
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char dir[256];
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char filename_base[256];
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char text[256];
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Icon icon;
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Label label;
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};
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struct Dir
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{
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char name[256];
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char deficon[256];
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};
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static Game the_game;
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static bool isGame(const char *fn, char *base)
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{
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int l = strlen(fn);
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if(l>4 && (!strcasecmp(fn+l-4, ".000") ||
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!strcasecmp(fn+l-4, ".SM0"))) {
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strcpy(base, fn);
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base[l-4]='\0';
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return true;
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}
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if(!strcasecmp(fn, "00.LFL") ||
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!strcasecmp(fn, "000.LFL")) {
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*base = '\0';
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return true;
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}
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return false;
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}
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static void checkName(Game &game)
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{
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const VersionSettings *gnl = version_settings;
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do {
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if (!scumm_stricmp(game.filename_base, gnl->filename)) {
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strcpy(game.text, gnl->gamename);
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return;
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}
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} while ((++gnl)->filename);
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strcpy(game.text, game.filename_base);
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}
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static bool checkExe(const char *dir, const char *f)
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{
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char fn[520];
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int fd;
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sprintf(fn, "%s%s.EXE", dir, f);
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if((fd = open(fn, O_RDONLY))<0)
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return false;
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close(fd);
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return true;
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}
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static bool isIcon(const char *fn)
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{
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int l = strlen(fn);
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if(l>4 && !strcasecmp(fn+l-4, ".ICO"))
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return true;
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else
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return false;
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}
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static bool loadIcon(Game &game, Dir *dirs, int num_dirs)
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{
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char icofn[520];
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sprintf(icofn, "%s%s.ICO", game.dir, game.filename_base);
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if(game.icon.load(icofn))
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return true;
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for(int i=0; i<num_dirs; i++)
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if(!strcmp(dirs[i].name, game.dir) &&
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dirs[i].deficon[0]) {
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sprintf(icofn, "%s%s", game.dir, dirs[i].deficon);
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if(game.icon.load(icofn))
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return true;
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break;
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}
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return false;
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}
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static void makeDefIcon(Icon &icon)
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{
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icon.load(NULL, 0);
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}
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static int findGames(Game *games, int max)
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{
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Dir *dirs = new Dir[MAX_DIR];
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int curr_game = 0, curr_dir = 0, num_dirs = 1;
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strcpy(dirs[0].name, "/");
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while(curr_game < max && curr_dir < num_dirs) {
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dirs[curr_dir].deficon[0] = '\0';
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DIR *dirp = opendir(dirs[curr_dir++].name);
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if(dirp) {
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struct dirent *entry;
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while((entry = readdir(dirp)))
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if(entry->d_size < 0) {
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if(num_dirs < MAX_DIR) {
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strcpy(dirs[num_dirs].name, dirs[curr_dir-1].name);
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if(strlen(dirs[num_dirs].name)+strlen(entry->d_name)<255) {
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strcat(dirs[num_dirs].name, entry->d_name);
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strcat(dirs[num_dirs].name, "/");
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num_dirs++;
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}
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}
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} else
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if(isIcon(entry->d_name))
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strcpy(dirs[curr_dir-1].deficon, entry->d_name);
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else if(curr_game < max &&
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isGame(entry->d_name, games[curr_game].filename_base)) {
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strcpy(games[curr_game].dir, dirs[curr_dir-1].name);
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if(!*games[curr_game].filename_base) {
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int i;
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for(i=strlen(games[curr_game].dir)-1; --i>=0; )
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if(games[curr_game].dir[i]=='/')
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break;
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if(i>=0) {
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strcpy(games[curr_game].filename_base,
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games[curr_game].dir+i+1);
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games[curr_game].filename_base[strlen(games[curr_game].
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filename_base)-1]='\0';
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#if 0
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games[curr_game].dir[i+1]='\0';
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#endif
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}
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if(checkExe(games[curr_game].dir, "loom"))
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strcpy(games[curr_game].filename_base, "loomcd");
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}
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checkName(games[curr_game]);
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#if 0
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printf("Registered game <%s> in <%s> <%s> because of <%s> <%s>\n",
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games[curr_game].text, games[curr_game].dir,
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games[curr_game].filename_base,
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dirs[curr_dir-1].name, entry->d_name);
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#endif
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curr_game++;
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}
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closedir(dirp);
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}
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}
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for(int i=0; i<curr_game; i++)
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if(!loadIcon(games[i], dirs, num_dirs))
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makeDefIcon(games[i].icon);
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delete dirs;
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return curr_game;
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}
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int getCdState()
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{
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unsigned int param[4];
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gdGdcGetDrvStat(param);
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return param[0];
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}
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static void drawBackground()
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{
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draw_solid_quad(20.0, 20.0, 620.0, 460.0,
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0xff0000, 0x00ff00, 0x0000ff, 0xffffff);
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}
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void waitForDisk()
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{
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Label lab;
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int wasopen = 0;
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ta_sync();
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void *mark = ta_txmark();
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lab.create_texture("Please insert game CD.");
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//printf("waitForDisk, cdstate = %d\n", getCdState());
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for(;;) {
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int s = getCdState();
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if(s >= 6)
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wasopen = 1;
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if(s > 0 && s < 6 && wasopen) {
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cdfs_reinit();
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chdir("/");
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chdir("/");
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ta_sync();
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ta_txrelease(mark);
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return;
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}
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ta_begin_frame();
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drawBackground();
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ta_commit_end();
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lab.draw(166.0, 200.0, 0xffff2020);
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ta_commit_frame();
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int mousex = 0, mousey = 0;
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byte shiftFlags;
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int mask = getimask();
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setimask(15);
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handleInput(locked_get_pads(), mousex, mousey, shiftFlags);
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setimask(mask);
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}
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}
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static void drawGameLabel(Game &game, int pal, float x, float y,
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unsigned int argb, int fade = 0, float scale = 1.0)
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{
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unsigned int fade_alpha = (255-fade)<<24;
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game.icon.draw(x, y, x+32.0*scale, y+32.0*scale, pal, 0xffffff|fade_alpha);
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game.label.draw(x+54.0*scale, y+4.0*scale, argb|fade_alpha, scale);
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}
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int gameMenu(Game *games, int num_games)
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{
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int top_game = 0, selector_pos = 0;
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int mousex = 0, mousey = 0;
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if(!num_games)
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return -1;
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for(;;) {
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if(getCdState()>=6)
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return -1;
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ta_begin_frame();
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drawBackground();
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ta_commit_end();
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float y = 40.0;
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for(int i=top_game, cnt=0; cnt<10 && i<num_games; i++, cnt++) {
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int pal = 48+(i&15);
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if(cnt == selector_pos)
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draw_trans_quad(100.0, y, 590.0, y+32.0,
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0x7000ff00, 0x7000ff00, 0x7000ff00, 0x7000ff00);
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games[i].icon.set_palette(pal);
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drawGameLabel(games[i], pal, 50.0, y, (cnt == selector_pos?
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0xffff00 : 0xffffff));
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y += 40.0;
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}
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ta_commit_frame();
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byte shiftFlags;
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int event;
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int mask = getimask();
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setimask(15);
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event = handleInput(locked_get_pads(), mousex, mousey, shiftFlags);
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setimask(mask);
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if(event==-OSystem::EVENT_LBUTTONDOWN || event==13 || event==319) {
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int selected_game = top_game + selector_pos;
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for(int fade=0; fade<=256; fade+=4) {
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unsigned int fade_colour = 0x00ffffff | ((255-fade)<<24);
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ta_begin_frame();
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drawBackground();
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ta_commit_end();
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float y = 40.0;
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if(fade < 256)
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for(int i=top_game, cnt=0; cnt<10 && i<num_games;
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i++, cnt++, y += 40.0)
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if(cnt != selector_pos)
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drawGameLabel(games[i], 48+(i&15), 50.0, y, 0xffffff, fade);
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y = (40.0/256.0 * (selector_pos + 1))*(256-fade) + 80.0/256.0*fade;
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float x = 50.0/256.0*(256-fade) + 160.0/256.0*fade;
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float scale = 1.0+9.0/256.0*fade;
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drawGameLabel(games[selector_pos], 48+(selected_game&15), x, y,
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0xffff00, 0, scale);
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ta_commit_frame();
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}
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return selected_game;
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}
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if(mousey>=16) {
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if(selector_pos + top_game + 1 < num_games)
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if(++selector_pos >= 10) {
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--selector_pos;
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++top_game;
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}
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mousey -= 16;
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} else if(mousey<=-16) {
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if(selector_pos + top_game > 0)
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if(--selector_pos < 0) {
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++selector_pos;
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--top_game;
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}
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mousey += 16;
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}
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}
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}
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bool selectGame(char *&ret, char *&dir_ret, Icon &icon)
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{
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Game *games = new Game[MAX_GAMES];
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int selected, num_games;
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ta_sync();
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void *mark = ta_txmark();
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for(;;) {
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num_games = findGames(games, MAX_GAMES);
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for(int i=0; i<num_games; i++) {
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games[i].icon.create_texture();
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games[i].label.create_texture(games[i].text);
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}
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selected = gameMenu(games, num_games);
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ta_sync();
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ta_txrelease(mark);
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if(selected == -1)
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waitForDisk();
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else
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break;
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}
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if(selected >= num_games)
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selected = -1;
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if(selected >= 0)
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the_game = games[selected];
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delete games;
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if(selected>=0) {
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#if 0
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chdir(the_game.dir);
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#else
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chdir("/");
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static char dirarg[258];
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sprintf(dirarg, "-p%s", the_game.dir);
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dir_ret = dirarg;
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#endif
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ret = the_game.filename_base;
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icon = the_game.icon;
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return true;
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} else
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return false;
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}
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