mkxp/binding-mri/binding-mri.cpp

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/*
** binding-mri.cpp
**
** This file is part of mkxp.
**
** Copyright (C) 2013 Jonas Kulla <Nyocurio@gmail.com>
**
** mkxp 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.
**
** mkxp 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 mkxp. If not, see <http://www.gnu.org/licenses/>.
*/
#include "binding.h"
#include "binding-util.h"
#include "sharedstate.h"
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#include "eventthread.h"
#include "filesystem.h"
#include "util.h"
#include "debugwriter.h"
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#include <ruby.h>
#include <ruby/encoding.h>
#include <string>
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#include <zlib.h>
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#include <SDL_filesystem.h>
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extern const char module_rpg[];
static void mriBindingExecute();
static void mriBindingTerminate();
ScriptBinding scriptBindingImpl =
{
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mriBindingExecute,
mriBindingTerminate
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};
ScriptBinding *scriptBinding = &scriptBindingImpl;
void tableBindingInit();
void etcBindingInit();
void fontBindingInit();
void bitmapBindingInit();
void spriteBindingInit();
void viewportBindingInit();
void planeBindingInit();
void windowBindingInit();
void tilemapBindingInit();
void inputBindingInit();
void audioBindingInit();
void graphicsBindingInit();
void fileIntBindingInit();
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RB_METHOD(mriPrint);
RB_METHOD(mriP);
RB_METHOD(mriDataDirectory);
RB_METHOD(mkxpPuts);
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static void mriBindingInit()
{
tableBindingInit();
etcBindingInit();
fontBindingInit();
bitmapBindingInit();
spriteBindingInit();
viewportBindingInit();
planeBindingInit();
windowBindingInit();
tilemapBindingInit();
inputBindingInit();
audioBindingInit();
graphicsBindingInit();
fileIntBindingInit();
#ifdef RGSS3
_rb_define_module_function(rb_mKernel, "msgbox", mriPrint);
_rb_define_module_function(rb_mKernel, "msgbox_p", mriP);
#else
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_rb_define_module_function(rb_mKernel, "print", mriPrint);
_rb_define_module_function(rb_mKernel, "p", mriP);
#endif
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rb_eval_string(module_rpg);
VALUE mod = rb_define_module("System");
_rb_define_module_function(mod, "data_directory", mriDataDirectory);
_rb_define_module_function(mod, "puts", mkxpPuts);
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rb_define_global_const("MKXP", Qtrue);
}
static void
showMsg(const std::string &msg)
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{
shState->eThread().showMessageBox(msg.c_str());
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}
RB_METHOD(mkxpPuts)
{
RB_UNUSED_PARAM;
const char *str;
rb_get_args(argc, argv, "z", &str RB_ARG_END);
Debug() << str;
return Qnil;
}
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static void printP(int argc, VALUE *argv,
const char *convMethod, const char *sep)
{
VALUE dispString = rb_str_buf_new(128);
ID conv = rb_intern(convMethod);
for (int i = 0; i < argc; ++i)
{
VALUE str = rb_funcall(argv[i], conv, 0);
rb_str_buf_append(dispString, str);
if (i < argc)
rb_str_buf_cat2(dispString, sep);
}
showMsg(RSTRING_PTR(dispString));
}
RB_METHOD(mriPrint)
{
RB_UNUSED_PARAM;
printP(argc, argv, "to_s", "");
return Qnil;
}
RB_METHOD(mriP)
{
RB_UNUSED_PARAM;
printP(argc, argv, "inspect", "\n");
return Qnil;
}
RB_METHOD(mriDataDirectory)
{
RB_UNUSED_PARAM;
const char *org, *app;
rb_get_args(argc, argv, "zz", &org, &app RB_ARG_END);
char *path = SDL_GetPrefPath(org, app);
VALUE pathStr = rb_str_new_cstr(path);
SDL_free(path);
return pathStr;
}
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static void runCustomScript(const char *filename)
{
std::string scriptData("#encoding:utf-8\n");
if (!readFile(filename, scriptData))
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{
showMsg(std::string("Unable to open '") + filename + "'");
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return;
}
rb_eval_string_protect(scriptData.c_str(), 0);
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}
VALUE kernelLoadDataInt(const char *filename);
static void runRMXPScripts()
{
const std::string &scriptPack = shState->rtData().config.game.scripts;
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if (scriptPack.empty())
{
showMsg("No game scripts specified (missing Game.ini?)");
return;
}
if (!shState->fileSystem().exists(scriptPack.c_str()))
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{
showMsg("Unable to open '" + scriptPack + "'");
return;
}
VALUE scriptArray = kernelLoadDataInt(scriptPack.c_str());
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if (rb_type(scriptArray) != RUBY_T_ARRAY)
{
showMsg("Failed to read script data");
return;
}
size_t scriptCount = RARRAY_LEN(scriptArray);
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std::string decodeBuffer;
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decodeBuffer.resize(0x1000);
for (size_t i = 0; i < scriptCount; ++i)
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{
VALUE script = rb_ary_entry(scriptArray, i);
if (rb_type(script) != RUBY_T_ARRAY)
continue;
VALUE scriptName = rb_ary_entry(script, 1);
VALUE scriptString = rb_ary_entry(script, 2);
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int result = Z_OK;
unsigned long bufferLen;
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while (true)
{
unsigned char *bufferPtr =
reinterpret_cast<unsigned char*>(const_cast<char*>(decodeBuffer.c_str()));
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const unsigned char *sourcePtr =
reinterpret_cast<const unsigned char*>(RSTRING_PTR(scriptString));
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bufferLen = decodeBuffer.length();
result = uncompress(bufferPtr, &bufferLen,
sourcePtr, RSTRING_LEN(scriptString));
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bufferPtr[bufferLen] = '\0';
if (result != Z_BUF_ERROR)
break;
decodeBuffer.resize(decodeBuffer.size()*2);
}
if (result != Z_OK)
{
static char buffer[256];
/* FIXME: '%zu' apparently gcc only? */
snprintf(buffer, sizeof(buffer), "Error decoding script %zu: '%s'",
i, RSTRING_PTR(scriptName));
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showMsg(buffer);
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break;
}
/* Store encoding header + the decoded script
* in 'sc.decData' */
std::string decData = "#encoding:utf-8\n";
size_t hdSize = decData.size();
decData.resize(hdSize + bufferLen);
memcpy(&decData[hdSize], decodeBuffer.c_str(), bufferLen);
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ruby_script(RSTRING_PTR(scriptName));
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rb_gc_start();
/* Execute code */
rb_eval_string_protect(decData.c_str(), 0);
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VALUE exc = rb_gv_get("$!");
if (rb_type(exc) != RUBY_T_NIL)
break;
}
}
static void mriBindingExecute()
{
ruby_setup();
rb_enc_set_default_external(rb_enc_from_encoding(rb_utf8_encoding()));
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RbData rbData;
shState->setBindingData(&rbData);
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mriBindingInit();
std::string &customScript = shState->rtData().config.customScript;
if (!customScript.empty())
runCustomScript(customScript.c_str());
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else
runRMXPScripts();
VALUE exc = rb_gv_get("$!");
if (rb_type(exc) != RUBY_T_NIL && !rb_eql(rb_obj_class(exc), rb_eSystemExit))
{
Debug() << "Had exception:" << rb_class2name(rb_obj_class(exc));
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VALUE bt = rb_funcall(exc, rb_intern("backtrace"), 0);
rb_p(bt);
VALUE msg = rb_funcall(exc, rb_intern("message"), 0);
if (RSTRING_LEN(msg) < 256)
showMsg(RSTRING_PTR(msg));
else
Debug() << (RSTRING_PTR(msg));
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}
ruby_cleanup(0);
shState->rtData().rqTermAck = true;
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}
static void mriBindingTerminate()
{
rb_raise(rb_eSystemExit, " ");
}