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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 (at your option) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "scumm/he/intern_he.h"
#include "scumm/he/logic_he.h"
namespace Scumm {
/**
* Logic code for:
* Backyard Football
* Backyard Football 2002
*/
class LogicHEfootball : public LogicHE {
public:
LogicHEfootball(ScummEngine_v90he *vm) : LogicHE(vm) {}
int versionID();
int32 dispatch(int op, int numArgs, int32 *args);
private:
int op_1004(int32 *args);
int op_1006(int32 *args);
int op_1007(int32 *args);
int op_1010(int32 *args);
int op_1022(int32 *args);
int op_1023(int32 *args);
int op_1024(int32 *args);
};
int LogicHEfootball::versionID() {
return 1;
}
int32 LogicHEfootball::dispatch(int op, int numArgs, int32 *args) {
int res = 0;
switch (op) {
case 1004:
res = op_1004(args);
break;
case 1006:
res = op_1006(args);
break;
case 1007:
res = op_1007(args);
break;
case 1010:
res = op_1010(args);
break;
case 1022:
res = op_1022(args);
break;
case 1023:
res = op_1023(args);
break;
case 1024:
res = op_1024(args);
break;
case 8221968:
// Someone had a fun and used his birthday as opcode number
res = getFromArray(args[0], args[1], args[2]);
break;
case 1492: case 1493: case 1494: case 1495: case 1496:
case 1497: case 1498: case 1499: case 1500: case 1501:
case 1502: case 1503: case 1504: case 1505: case 1506:
case 1507: case 1508: case 1509: case 1510: case 1511:
case 1512: case 1513: case 1514: case 1555:
// DirectPlay-related
// 1513: initialize
// 1555: set fake lag
break;
case 2200: case 2201: case 2202: case 2203: case 2204:
case 2205: case 2206: case 2207: case 2208: case 2209:
case 2210: case 2211: case 2212: case 2213: case 2214:
case 2215: case 2216: case 2217: case 2218: case 2219:
case 2220: case 2221: case 2222: case 2223: case 2224:
case 2225: case 2226: case 2227: case 2228:
// Boneyards-related
break;
case 3000: case 3001: case 3002: case 3003: case 3004:
// Internet-related
// 3000: check for updates
// 3001: check network status
// 3002: autoupdate
// 3003: close connection
break;
default:
LogicHE::dispatch(op, numArgs, args);
warning("Tell sev how to reproduce it (%d)", op);
}
return res;
}
int LogicHEfootball::op_1004(int32 *args) {
// Identical to LogicHEsoccer::op_1004
double res, a2, a4, a5;
a5 = ((double)args[4] - (double)args[1]) / ((double)args[5] - (double)args[2]);
a4 = ((double)args[3] - (double)args[0]) / ((double)args[5] - (double)args[2]);
a2 = (double)args[2] - (double)args[0] * a4 - args[1] * a5;
res = (double)args[6] * a4 + (double)args[7] * a5 + a2;
writeScummVar(108, (int32)res);
writeScummVar(109, (int32)a2);
writeScummVar(110, (int32)a5);
writeScummVar(111, (int32)a4);
return 1;
}
int LogicHEfootball::op_1006(int32 *args) {
// This seems to be more or less the inverse of op_1010
const double a1 = args[1];
double res;
// 2.9411764e-4 = 1/3400
// 5.3050399e-2 = 1/18.85 = 20/377
// 1.1764706e-2 = 1/85 = 40/3400
// 1.2360656e-1 = 377/3050
res = (1.0 - a1 * 2.9411764e-4 * 5.3050399e-2) * 1.2360656e-1 * args[0] +
a1 * 1.1764706e-2 + 46;
// Shortened / optimized version of that formula:
// res = (377.0 - a1 / 170.0) / 3050.0 * args[0] + a1 / 85.0 + 46;
writeScummVar(108, (int32)res);
// 1.2360656e-1 = 377/3050
// 1.1588235e-1 = 197/1700 = 394/3400
res = 640.0 - args[2] * 1.2360656e-1 - a1 * 1.1588235e-1 - 26;
writeScummVar(109, (int32)res);
return 1;
}
int LogicHEfootball::op_1007(int32 *args) {
double res, temp;
temp = (double)args[1] * 0.32;
if (temp > 304.0)
res = -args[2] * 0.142;
else
res = args[2] * 0.142;
res += temp;
writeScummVar(108, (int32)res);
res = (1000.0 - args[2]) * 0.48;
writeScummVar(109, (int32)res);
return 1;
}
int LogicHEfootball::op_1010(int32 *args) {
// This seems to be more or less the inverse of op_1006
double a1 = (640.0 - (double)args[1] - 26.0) / 1.1588235e-1;
// 2.9411764e-4 = 1/3400
// 5.3050399e-2 = 1/18.85 = 20/377
// 1.1764706e-2 = 1/85 = 40/3400
// 1.2360656e-1 = 377/3050
double a0 = ((double)args[0] - 46 - a1 * 1.1764706e-2) /
((1.0 - a1 * 2.9411764e-4 * 5.3050399e-2) * 1.2360656e-1);
writeScummVar(108, (int32)a0);
writeScummVar(109, (int32)a1);
return 1;
}
int LogicHEfootball::op_1022(int32 *args) {
double res;
double var10 = args[4] - args[1];
double var8 = args[5] - args[2];
double var6 = args[3] - args[0];
res = sqrt(var8 * var8 + var6 * var6 + var10 * var10);
if (res >= (double)args[6]) {
var8 = (double)args[6] * var8 / res;
var10 = (double)args[6] * var10 / res;
res = (double)args[6] * var6 / res;
}
writeScummVar(108, (int32)res);
writeScummVar(109, (int32)var10);
writeScummVar(110, (int32)var8);
return 1;
}
int LogicHEfootball::op_1023(int32 *args) {
double var10, var18, var20, var28, var30, var30_;
double argf[7];
for (int i = 0; i < 7; i++)
argf[i] = args[i];
var10 = (argf[3] - argf[1]) / (argf[2] - argf[0]);
var28 = var10 * var10 + 1;
var20 = argf[0] * var10;
var18 = (argf[5] + argf[1] + var20) * argf[4] * var10 * 2 +
argf[6] * argf[6] * var28 + argf[4] * argf[4] -
argf[0] * argf[0] * var10 * var10 -
argf[5] * argf[0] * var10 * 2 -
argf[5] * argf[1] * 2 -
argf[1] * argf[1] - argf[5] * argf[5];
if (var18 >= 0) {
var18 = sqrt(var18);
var30_ = argf[4] + argf[5] * var10 + argf[1] * var10 + argf[0] * var10 * var10;
var30 = (var30_ - var18) / var28;
var18 = (var30_ + var18) / var28;
if ((argf[0] - var30 < 0) && (argf[0] - var18 < 0)) {
var30_ = var30;
var30 = var18;
var18 = var30_;
}
var28 = var18 * var10 - var20 - argf[1];
var20 = var30 * var10 - var20 - argf[1];
} else {
var18 = 0;
var20 = 0;
var28 = 0;
var30 = 0;
}
writeScummVar(108, (int32)var18);
writeScummVar(109, (int32)var28);
writeScummVar(110, (int32)var30);
writeScummVar(111, (int32)var20);
return 1;
}
int LogicHEfootball::op_1024(int32 *args) {
writeScummVar(108, 0);
writeScummVar(109, 0);
writeScummVar(110, 0);
writeScummVar(111, 0);
return 1;
}
LogicHE *makeLogicHEfootball(ScummEngine_v90he *vm) {
return new LogicHEfootball(vm);
}
} // End of namespace Scumm
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