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https://github.com/JGRennison/OpenTTD-patches.git
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116 lines
3.4 KiB
C++
116 lines
3.4 KiB
C++
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* OpenTTD 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, version 2.
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* OpenTTD 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.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file squirrel_std.cpp Implements the Squirrel Standard Function class */
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#include <squirrel.h>
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#include <sqstdmath.h>
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#include "../stdafx.h"
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#include "../debug.h"
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#include "squirrel_std.hpp"
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#include "../core/alloc_func.hpp"
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#include "../core/math_func.hpp"
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SQInteger SquirrelStd::min(HSQUIRRELVM vm)
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{
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SQInteger tmp1, tmp2;
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sq_getinteger(vm, 2, &tmp1);
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sq_getinteger(vm, 3, &tmp2);
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sq_pushinteger(vm, ::min(tmp1, tmp2));
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return 1;
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}
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SQInteger SquirrelStd::max(HSQUIRRELVM vm)
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{
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SQInteger tmp1, tmp2;
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sq_getinteger(vm, 2, &tmp1);
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sq_getinteger(vm, 3, &tmp2);
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sq_pushinteger(vm, ::max(tmp1, tmp2));
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return 1;
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}
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SQInteger SquirrelStd::require(HSQUIRRELVM vm)
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{
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SQInteger top = sq_gettop(vm);
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const SQChar *filename;
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SQChar *real_filename;
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sq_getstring(vm, 2, &filename);
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/* Get the script-name of the current file, so we can work relative from it */
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SQStackInfos si;
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sq_stackinfos(vm, 1, &si);
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if (si.source == NULL) {
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DEBUG(misc, 0, "[squirrel] Couldn't detect the script-name of the 'require'-caller; this should never happen!");
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return SQ_ERROR;
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}
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real_filename = scstrdup(si.source);
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/* Keep the dir, remove the rest */
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SQChar *s = scstrrchr(real_filename, PATHSEPCHAR);
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if (s != NULL) {
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/* Keep the PATHSEPCHAR there, remove the rest */
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s++;
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*s = '\0';
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}
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/* And now we concat, so we are relative from the current script
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* First, we have to make sure we have enough space for the full path */
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real_filename = ReallocT(real_filename, scstrlen(real_filename) + scstrlen(filename) + 1);
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scstrcat(real_filename, filename);
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/* Tars dislike opening files with '/' on Windows.. so convert it to '\\' ;) */
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char *filen = strdup(SQ2OTTD(real_filename));
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#if (PATHSEPCHAR != '/')
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for (char *n = filen; *n != '\0'; n++) if (*n == '/') *n = PATHSEPCHAR;
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#endif
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Squirrel *engine = (Squirrel *)sq_getforeignptr(vm);
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bool ret = engine->LoadScript(vm, filen);
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/* Reset the top, so the stack stays correct */
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sq_settop(vm, top);
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free(real_filename);
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free(filen);
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return ret ? 0 : SQ_ERROR;
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}
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SQInteger SquirrelStd::notifyallexceptions(HSQUIRRELVM vm)
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{
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SQBool b;
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if (sq_gettop(vm) >= 1) {
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if (SQ_SUCCEEDED(sq_getbool(vm, -1, &b))) {
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sq_notifyallexceptions(vm, b);
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return 0;
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}
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}
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return SQ_ERROR;
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}
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void squirrel_register_global_std(Squirrel *engine)
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{
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/* We don't use squirrel_helper here, as we want to register to the global
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* scope and not to a class. */
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engine->AddMethod("require", &SquirrelStd::require, 2, ".s");
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engine->AddMethod("notifyallexceptions", &SquirrelStd::notifyallexceptions, 2, ".b");
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}
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void squirrel_register_std(Squirrel *engine)
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{
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/* We don't use squirrel_helper here, as we want to register to the global
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* scope and not to a class. */
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engine->AddMethod("min", &SquirrelStd::min, 3, ".ii");
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engine->AddMethod("max", &SquirrelStd::max, 3, ".ii");
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sqstd_register_mathlib(engine->GetVM());
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}
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