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diff --git a/src/Functions.cpp b/src/Functions.cpp
index b75992b..1f2bf8e 100644
--- a/src/Functions.cpp
+++ b/src/Functions.cpp
@@ -1,1744 +1,1748 @@
/*
* Copyright (C) 2011-2013 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow 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 3 of the License, or
* (at your option) any later version.
*
* Me and My Shadow 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 Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <math.h>
#include <locale.h>
#include <algorithm>
#include <SDL/SDL.h>
#ifdef __APPLE__
#include <SDL_mixer/SDL_mixer.h>
#include <SDL_gfx/SDL_gfxPrimitives.h>
#include <SDL_gfx/SDL_rotozoom.h>
#else
#include <SDL/SDL_mixer.h>
#include <SDL/SDL_gfxPrimitives.h>
#include <SDL/SDL_rotozoom.h>
#endif
#include <SDL/SDL_syswm.h>
#include <string>
#include "Globals.h"
#include "Functions.h"
#include "FileManager.h"
#include "Objects.h"
#include "Player.h"
#include "GameObjects.h"
#include "LevelPack.h"
#include "TitleMenu.h"
#include "LevelEditSelect.h"
#include "LevelEditor.h"
#include "Game.h"
#include "LevelPlaySelect.h"
#include "Addons.h"
#include "InputManager.h"
#include "ImageManager.h"
#include "MusicManager.h"
#include "SoundManager.h"
#include "LevelPackManager.h"
#include "ThemeManager.h"
#include "GUIListBox.h"
#include "GUIOverlay.h"
#include "StatisticsManager.h"
#include "StatisticsScreen.h"
#include "Cursors.h"
#include "ScriptAPI.h"
#include "libs/tinyformat/tinyformat.h"
#include "libs/tinygettext/tinygettext.hpp"
#include "libs/tinygettext/log.hpp"
#include "libs/findlocale/findlocale.h"
#ifdef HARDWARE_ACCELERATION
#include <GL/gl.h>
#include <GL/glu.h>
//fix some Windows header bug
#ifndef GL_BGR
#define GL_BGR GL_BGR_EXT
#endif
#ifndef GL_BGRA
#define GL_BGRA GL_BGRA_EXT
#endif
#endif
using namespace std;
#ifdef WIN32
#include <windows.h>
#include <shlobj.h>
#else
#include <strings.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <dirent.h>
#endif
//Workaround for the resizing below 800x600 for X systems.
#if defined(__linux__) && !defined(ANDROID)
#include<X11/Xlib.h>
#include<X11/Xutil.h>
#define __X11_INCLUDED__
#endif
//Initialise the imagemanager.
//The ImageManager is used to prevent loading images multiple times.
ImageManager imageManager;
//Initialise the musicManager.
//The MusicManager is used to prevent loading music files multiple times and for playing/fading music.
MusicManager musicManager;
//Initialise the soundManager.
//The SoundManager is used to keep track of the sfx in the game.
SoundManager soundManager;
//Initialise the levelPackManager.
//The LevelPackManager is used to prevent loading levelpacks multiple times and for the game to know which levelpacks there are.
LevelPackManager levelPackManager;
//The scriptExecutor used for executing scripts.
ScriptExecutor scriptExecutor;
//Map containing changed settings using command line arguments.
map<string,string> tmpSettings;
//Pointer to the settings object.
//It is used to load and save the settings file and change the settings.
Settings* settings=0;
#ifdef HARDWARE_ACCELERATION
GLuint screenTexture;
#endif
SDL_Surface* loadImage(string file){
//We use the imageManager to load the file.
return imageManager.loadImage(file);
}
void applySurface(int x,int y,SDL_Surface* source,SDL_Surface* dest,SDL_Rect* clip){
//The offset is needed to draw at the right location.
SDL_Rect offset;
offset.x=x;
offset.y=y;
//Let SDL do the drawing of the surface.
SDL_BlitSurface(source,clip,dest,&offset);
}
void drawRect(int x,int y,int w,int h,SDL_Surface* dest,Uint32 color){
//NOTE: We let SDL_gfx render it.
rectangleRGBA(dest,x,y,x+w,y+h,color >> 24,color >> 16,color >> 8,255);
}
//Draw a box with anti-aliased borders using SDL_gfx.
void drawGUIBox(int x,int y,int w,int h,SDL_Surface* dest,Uint32 color){
//Fill content's background color from function parameter
boxRGBA(dest,x+1,y+1,x+w-2,y+h-2,color >> 24,color >> 16,color >> 8,color >> 0);
//Draw first black borders around content and leave 1 pixel in every corner
lineRGBA(dest,x+1,y,x+w-2,y,0,0,0,255);
lineRGBA(dest,x+1,y+h-1,x+w-2,y+h-1,0,0,0,255);
lineRGBA(dest,x,y+1,x,y+h-2,0,0,0,255);
lineRGBA(dest,x+w-1,y+1,x+w-1,y+h-2,0,0,0,255);
//Fill the corners with transperent color to create anti-aliased borders
pixelRGBA(dest,x,y,0,0,0,160);
pixelRGBA(dest,x,y+h-1,0,0,0,160);
pixelRGBA(dest,x+w-1,y,0,0,0,160);
pixelRGBA(dest,x+w-1,y+h-1,0,0,0,160);
//Draw second lighter border around content
rectangleRGBA(dest,x+1,y+1,x+w-2,y+h-2,0,0,0,64);
//Create anti-aliasing in corners of second border
pixelRGBA(dest,x+1,y+1,0,0,0,50);
pixelRGBA(dest,x+1,y+h-2,0,0,0,50);
pixelRGBA(dest,x+w-2,y+1,0,0,0,50);
pixelRGBA(dest,x+w-2,y+h-2,0,0,0,50);
}
void drawLine(int x1,int y1,int x2,int y2,SDL_Surface* dest,Uint32 color){
//NOTE: We let SDL_gfx render it.
lineRGBA(dest,x1,y1,x2,y2,color >> 24,color >> 16,color >> 8,255);
}
void drawLineWithArrow(int x1,int y1,int x2,int y2,SDL_Surface* dest,Uint32 color,int spacing,int offset,int xsize,int ysize){
//Draw line first
drawLine(x1,y1,x2,y2,dest,color);
//calc delta and length
double dx=x2-x1;
double dy=y2-y1;
double length=sqrt(dx*dx+dy*dy);
if(length<0.001) return;
//calc the unit vector
dx/=length; dy/=length;
//Now draw arrows on it
for(double p=offset;p<length;p+=spacing){
drawLine(int(x1+p*dx+0.5),int(y1+p*dy+0.5),
int(x1+(p-xsize)*dx-ysize*dy+0.5),int(y1+(p-xsize)*dy+ysize*dx+0.5),dest,color);
drawLine(int(x1+p*dx+0.5),int(y1+p*dy+0.5),
int(x1+(p-xsize)*dx+ysize*dy+0.5),int(y1+(p-xsize)*dy-ysize*dx+0.5),dest,color);
}
}
bool createScreen(){
//Check if we are going fullscreen.
if(settings->getBoolValue("fullscreen"))
pickFullscreenResolution();
//Set the screen_width and height.
SCREEN_WIDTH=atoi(settings->getValue("width").c_str());
SCREEN_HEIGHT=atoi(settings->getValue("height").c_str());
//Update the camera.
camera.w=SCREEN_WIDTH;
camera.h=SCREEN_HEIGHT;
//Boolean if this is the first screen creation.
bool initial=true;
//Check if we should use gl or software rendering.
if(settings->getBoolValue("gl")){
#ifdef HARDWARE_ACCELERATION
SDL_GL_SetAttribute(SDL_GL_RED_SIZE,8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE,8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE,8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE,8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE,16);
SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE,32);
SDL_GL_SetAttribute(SDL_GL_ACCUM_RED_SIZE,8);
SDL_GL_SetAttribute(SDL_GL_ACCUM_GREEN_SIZE,8);
SDL_GL_SetAttribute(SDL_GL_ACCUM_BLUE_SIZE,8);
SDL_GL_SetAttribute(SDL_GL_ACCUM_ALPHA_SIZE,8);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS,0);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES,0);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER,1);
//Set the video mode.
Uint32 flags=SDL_HWSURFACE | SDL_OPENGL;
if(settings->getBoolValue("fullscreen"))
flags|=SDL_FULLSCREEN;
else if(settings->getBoolValue("resizable"))
flags|=SDL_RESIZABLE;
if(SDL_SetVideoMode(SCREEN_WIDTH,SCREEN_HEIGHT,SCREEN_BPP,flags)==NULL){
fprintf(stderr,"FATAL ERROR: SDL_SetVideoMode failed\n");
return false;
}
//Delete the old screen.
//Warning: only if previous mode is OpenGL mode.
//NOTE: The previous mode can't switch during runtime.
if(screen){
SDL_FreeSurface(screen);
screen=NULL;
//There was a screen so this isn't the initial screen creation.
initial=false;
}
//Create a screen
screen=SDL_CreateRGBSurface(SDL_HWSURFACE,SCREEN_WIDTH,SCREEN_HEIGHT,32,0x00FF0000,0x0000FF00,0x000000FF,0);
//Create a texture.
glDeleteTextures(1,&screenTexture);
glGenTextures(1,&screenTexture);
//And set up gl correctly.
glClearColor(0, 0, 0, 0);
glClearDepth(1.0f);
glViewport(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, SCREEN_WIDTH, SCREEN_HEIGHT, 0, 1, -1);
glMatrixMode(GL_MODELVIEW);
glEnable(GL_TEXTURE_2D);
glLoadIdentity();
#else
//NOTE: Hardware accelerated rendering requested but compiled without.
cerr<<"FATAL ERROR: Unable to use hardware acceleration (compiled without)."<<endl;
return false;
#endif
}else{
//Set the flags.
Uint32 flags=SCREEN_FLAGS;
#if !defined(ANDROID)
flags |= SDL_DOUBLEBUF;
#endif
if(settings->getBoolValue("fullscreen"))
flags|=SDL_FULLSCREEN;
else if(settings->getBoolValue("resizable"))
flags|=SDL_RESIZABLE;
//Check if there already was a screen.
if(screen)
initial=false;
//Create the screen and check if there weren't any errors.
screen=SDL_SetVideoMode(SCREEN_WIDTH,SCREEN_HEIGHT,SCREEN_BPP,flags);
if(screen==NULL){
fprintf(stderr,"FATAL ERROR: SDL_SetVideoMode failed\n");
return false;
}
}
//Now configure the newly created window (if windowed).
if(settings->getBoolValue("fullscreen")==false)
configureWindow(initial);
//Create the temp surface, just a replica of the screen surface, free the previous one if any.
if(tempSurface)
SDL_FreeSurface(tempSurface);
tempSurface=SDL_CreateRGBSurface(SCREEN_FLAGS|SDL_SRCALPHA,
screen->w,screen->h,screen->format->BitsPerPixel,
screen->format->Rmask,screen->format->Gmask,screen->format->Bmask,0);
//Set the the window caption.
SDL_WM_SetCaption(("Me and My Shadow "+version).c_str(),NULL);
SDL_EnableUNICODE(1);
//Nothing went wrong so return true.
return true;
}
//Workaround for the resizing below 800x600 for Windows.
#ifdef WIN32
static WNDPROC m_OldWindowProc=NULL;
static LRESULT CALLBACK WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam){
if(msg==WM_GETMINMAXINFO){
if(m_OldWindowProc){
CallWindowProc(m_OldWindowProc,hwnd,msg,wParam,lParam);
}else{
DefWindowProc(hwnd,msg,wParam,lParam);
}
RECT r={0,0,800,600};
AdjustWindowRect(&r,GetWindowLong(hwnd,GWL_STYLE),FALSE);
MINMAXINFO *info=(MINMAXINFO*)lParam;
info->ptMinTrackSize.x=r.right-r.left;
info->ptMinTrackSize.y=r.bottom-r.top;
return 0;
}else{
if(m_OldWindowProc){
return CallWindowProc(m_OldWindowProc,hwnd,msg,wParam,lParam);
}else{
return DefWindowProc(hwnd,msg,wParam,lParam);
}
}
}
#endif
void pickFullscreenResolution(){
//Vector that will hold the resolutions to choose from.
vector<_res> resolutionList;
//Enumerate available resolutions using SDL_ListModes()
//Note: we enumerate fullscreen resolutions because
// windowed resolutions always can be arbitrary
if(resolutionList.empty()){
SDL_Rect **modes=SDL_ListModes(NULL,SDL_FULLSCREEN|SCREEN_FLAGS|SDL_ANYFORMAT);
if(modes==NULL || ((intptr_t)modes) == -1){
cout<<"Error: Can't enumerate available screen resolutions."
" Use predefined screen resolutions list instead."<<endl;
static const _res predefinedResolutionList[] = {
{800,600},
{1024,600},
{1024,768},
{1152,864},
{1280,720},
{1280,768},
{1280,800},
{1280,960},
{1280,1024},
{1360,768},
{1366,768},
{1440,900},
{1600,900},
{1600,1200},
{1680,1080},
{1920,1080},
{1920,1200},
{2560,1440},
{3840,2160}
};
//Fill the resolutionList.
for(unsigned int i=0;i<sizeof(predefinedResolutionList)/sizeof(_res);i++){
resolutionList.push_back(predefinedResolutionList[i]);
}
}else{
//Fill the resolutionList.
for(unsigned int i=0;modes[i]!=NULL;i++){
//Check if the resolution is higher than the minimum (800x600).
if(modes[i]->w>=800 && modes[i]->h>=600){
_res res={modes[i]->w, modes[i]->h};
resolutionList.push_back(res);
}
}
//Reverse it so that we begin with the lowest resolution.
reverse(resolutionList.begin(),resolutionList.end());
}
}
//The resolution that will hold the final result, we start with the minimum (800x600).
_res closestMatch={800,600};
int width=atoi(getSettings()->getValue("width").c_str());
//int height=atoi(getSettings()->getValue("height").c_str());
//Now loop through the resolutionList.
for(int i=0;i<(int)resolutionList.size();i++){
//The delta between the closestMatch and the resolution from the list.
int dM=(closestMatch.w-resolutionList[i].w);
//The delta between the target width and the resolution from the list.
int dT=(width-resolutionList[i].w);
//Since the resolutions are getting higher the lower (more negative) the further away it is.
//That's why we check if the deltaMatch is lower than the the deltaTarget.
if((dM)<(dT)){
closestMatch.w=resolutionList[i].w;
closestMatch.h=resolutionList[i].h;
}
}
//Now set the resolution to the closest match.
char s[64];
sprintf(s,"%d",closestMatch.w);
getSettings()->setValue("width",s);
sprintf(s,"%d",closestMatch.h);
getSettings()->setValue("height",s);
}
#ifdef __X11_INCLUDED__
int handleXError(Display* disp,XErrorEvent* event){
//NOTE: This is UNTESTED code, there are still some things that should be tested/changed.
//NOTE: It checks against hardcoded opcodes, this should be based on included defines from the xf86vid headers instead.
//NOTE: This code assumes Xlib is in use, just like the resize restriction code for Linux.
//Print out the error message as normal.
char output[256];
XGetErrorText(disp,event->error_code,output,256);
cerr<<output<<endl;
//Check if the game is fullscreen.
if(getSettings()->getBoolValue("fullscreen")){
//Check for the exact error we want to handle differently.
if(event->error_code==BadValue && event->minor_code==10/*X_XF86VidModeSwitchToMode*/){
//The cause of this problem has likely something to do with fullscreen mode, so fallback to windowed.
cerr<<"ERROR: Xlib error code "<<event->error_code<<", request code "<<event->request_code<<"."<<endl;
cerr<<"ERROR: Falling back to windowed mode!"<<endl;
getSettings()->setValue("fullscreen","false");
createScreen();
return 0;
}
}
//Do the normal Xlib behaviour.
exit(1);
return 0;
}
#endif
void configureWindow(bool initial){
//We only need to configure the window if it's resizable.
if(!getSettings()->getBoolValue("resizable"))
return;
//Retrieve the WM info from SDL containing the window handle.
struct SDL_SysWMinfo wmInfo;
SDL_VERSION(&wmInfo.version);
SDL_GetWMInfo(&wmInfo);
#ifdef __X11_INCLUDED__
//We assume that a linux system running meandmyshadow is also running an Xorg server.
if(wmInfo.subsystem==SDL_SYSWM_X11){
//Create the size hints to give to the window.
XSizeHints* sizeHints;
if(!(sizeHints=XAllocSizeHints())){
cerr<<"ERROR: Unable to allocate memory for XSizeHings."<<endl;
return;
}
//Configure the size hint.
sizeHints->flags=PMinSize;
sizeHints->min_width=800;
sizeHints->min_height=600;
//Set the normal hints of the window.
(void)wmInfo.info.x11.lock_func;
XSetNormalHints(wmInfo.info.x11.display,wmInfo.info.x11.wmwindow,sizeHints);
(void)wmInfo.info.x11.unlock_func;
//Free size hint structure
XFree(sizeHints);
}else{
//No X11 so an unsupported window manager.
cerr<<"WARNING: Unsupported window manager."<<endl;
}
#elif defined(WIN32)
//We overwrite the window proc of SDL
WNDPROC wndproc=(WNDPROC)GetWindowLong(wmInfo.window,GWL_WNDPROC);
if(wndproc!=NULL && wndproc!=(WNDPROC)WindowProc){
m_OldWindowProc=wndproc;
SetWindowLong(wmInfo.window,GWL_WNDPROC,(LONG)(WNDPROC)WindowProc);
}
#endif
}
void onVideoResize(){
//Check if the resize event isn't malformed.
if(event.resize.w<=0 || event.resize.h<=0)
return;
//Check the size limit.
if(event.resize.w<800)
event.resize.w=800;
if(event.resize.h<600)
event.resize.h=600;
//Check if it really resizes.
if(SCREEN_WIDTH==event.resize.w && SCREEN_HEIGHT==event.resize.h)
return;
char s[32];
//Set the new width and height.
sprintf(s,"%d",event.resize.w);
getSettings()->setValue("width",s);
sprintf(s,"%d",event.resize.h);
getSettings()->setValue("height",s);
//Do resizing.
if(!createScreen())
return;
//Tell the theme to resize.
if(!loadTheme(""))
return;
//The new resolution is valid.
//Now we can save the settings. (TODO: should we save?)
//saveSettings();
//And let the currentState update it's GUI to the new resolution.
currentState->resize();
}
bool init(){
//Initialze SDL.
if(SDL_Init(SDL_INIT_EVERYTHING)==-1) {
fprintf(stderr,"FATAL ERROR: SDL_Init failed\n");
return false;
}
//Initialze SDL_mixer (audio).
if(Mix_OpenAudio(22050,MIX_DEFAULT_FORMAT,2,512)==-1){
fprintf(stderr,"FATAL ERROR: Mix_OpenAudio failed\n");
return false;
}
//Set the volume.
Mix_Volume(-1,atoi(settings->getValue("sound").c_str()));
//Initialze SDL_ttf (fonts).
if(TTF_Init()==-1){
fprintf(stderr,"FATAL ERROR: TTF_Init failed\n");
return false;
}
#ifdef __X11_INCLUDED__
//Before creating the screen set the XErrorHandler in case of X11.
XSetErrorHandler(handleXError);
#endif
//Create the screen.
if(!createScreen())
return false;
//Load key config. Then initialize joystick support.
inputMgr.loadConfig();
inputMgr.openAllJoysitcks();
//Init tinygettext for translations for the right language
dictionaryManager = new tinygettext::DictionaryManager();
dictionaryManager->add_directory(getDataPath()+"locale");
dictionaryManager->set_charset("UTF-8");
//Check if user have defined own language. If not, find it out for the player using findlocale
string lang=getSettings()->getValue("lang");
if(lang.length()>0){
printf("Locale set by user to %s\n",lang.c_str());
language=lang;
}else{
FL_Locale *locale;
FL_FindLocale(&locale,FL_MESSAGES);
printf("Locale isn't set by user: %s\n",locale->lang);
language=locale->lang;
if(locale->country!=NULL){
language+=string("_")+string(locale->country);
}
if(locale->variant!=NULL){
language+=string("@")+string(locale->variant);
}
FL_FreeLocale(&locale);
}
//Now set the language in the dictionaryManager.
dictionaryManager->set_language(tinygettext::Language::from_name(language));
//Disable annoying 'Couldn't translate: blah blah blah'
tinygettext::Log::set_log_info_callback(NULL);
//Set time format to the user-preference of the system.
setlocale(LC_TIME,"");
//Create the types of blocks.
for(int i=0;i<TYPE_MAX;i++){
Game::blockNameMap[Game::blockName[i]]=i;
}
//Structure that holds the event type/name pair.
struct EventTypeName{
int type;
const char* name;
};
//Create the types of game object event types.
{
const EventTypeName types[]={
{GameObjectEvent_PlayerWalkOn,"playerWalkOn"},
{GameObjectEvent_PlayerIsOn,"playerIsOn"},
{GameObjectEvent_PlayerLeave,"playerLeave"},
{GameObjectEvent_OnCreate,"onCreate"},
{GameObjectEvent_OnEnterFrame,"onEnterFrame"},
{GameObjectEvent_OnToggle,"onToggle"},
{GameObjectEvent_OnSwitchOn,"onSwitchOn"},
{GameObjectEvent_OnSwitchOff,"onSwitchOff"},
{0,NULL}
};
for(int i=0;types[i].name;i++){
Game::gameObjectEventNameMap[types[i].name]=types[i].type;
Game::gameObjectEventTypeMap[types[i].type]=types[i].name;
}
}
//Create the types of level event types.
{
const EventTypeName types[]={
{LevelEvent_OnCreate,"onCreate"},
{LevelEvent_OnSave,"onSave"},
{LevelEvent_OnLoad,"onLoad"},
{LevelEvent_OnReset,"onReset"},
{0,NULL}
};
for(int i=0;types[i].name;i++){
Game::levelEventNameMap[types[i].name]=types[i].type;
Game::levelEventTypeMap[types[i].type]=types[i].name;
}
}
//Register the ScriptAPI's functions in the scriptExecutor.
registerFunctions(getScriptExecutor());
//Nothing went wrong so we return true.
return true;
}
static TTF_Font* loadFont(const char* name,int size){
TTF_Font* tmpFont=TTF_OpenFont((getDataPath()+"font/"+name+".ttf").c_str(),size);
if(tmpFont){
return tmpFont;
}else{
#if defined(ANDROID)
//Android has built-in DroidSansFallback.ttf. (?)
return TTF_OpenFont("/system/fonts/DroidSansFallback.ttf",size);
#else
return TTF_OpenFont((getDataPath()+"font/DroidSansFallback.ttf").c_str(),size);
#endif
}
}
bool loadFonts(){
//Load the fonts.
//NOTE: This is a separate method because it will be called separately when re-initing in case of language change.
//First close the fonts if needed.
if(fontTitle)
TTF_CloseFont(fontTitle);
if(fontGUI)
TTF_CloseFont(fontGUI);
if(fontGUISmall)
TTF_CloseFont(fontGUISmall);
if(fontText)
TTF_CloseFont(fontText);
/// TRANSLATORS: Font used in GUI:
/// - Use "knewave" for languages using Latin and Latin-derived alphabets
/// - "DroidSansFallback" can be used for non-Latin writing systems
fontTitle=loadFont(_("knewave"),55);
fontGUI=loadFont(_("knewave"),32);
fontGUISmall=loadFont(_("knewave"),24);
/// TRANSLATORS: Font used for normal text:
/// - Use "Blokletters-Viltstift" for languages using Latin and Latin-derived alphabets
/// - "DroidSansFallback" can be used for non-Latin writing systems
fontText=loadFont(_("Blokletters-Viltstift"),16);
if(fontTitle==NULL || fontGUI==NULL || fontGUISmall==NULL || fontText==NULL){
printf("ERROR: Unable to load fonts! \n");
return false;
}
//Nothing went wrong so return true.
return true;
}
//Generate small arrows used for some GUI widgets.
static void generateArrows(){
TTF_Font* fontArrow=loadFont(_("knewave"),18);
if(arrowLeft1){
SDL_FreeSurface(arrowLeft1);
SDL_FreeSurface(arrowRight1);
SDL_FreeSurface(arrowLeft2);
SDL_FreeSurface(arrowRight2);
}
arrowLeft1=TTF_RenderUTF8_Blended(fontArrow,"<",themeTextColor);
arrowRight1=TTF_RenderUTF8_Blended(fontArrow,">",themeTextColor);
arrowLeft2=TTF_RenderUTF8_Blended(fontArrow,"<",themeTextColorDialog);
arrowRight2=TTF_RenderUTF8_Blended(fontArrow,">",themeTextColorDialog);
TTF_CloseFont(fontArrow);
}
bool loadTheme(string name){
//Load default fallback theme if it isn't loaded yet
if(objThemes.themeCount()==0){
if(objThemes.appendThemeFromFile(getDataPath()+"themes/Cloudscape/theme.mnmstheme")==NULL){
printf("ERROR: Can't load default theme file\n");
return false;
}
}
//Resize background or load specific theme
bool success=true;
if(name==""||name.empty()){
objThemes.scaleToScreen();
}else{
string theme=processFileName(name);
if(objThemes.appendThemeFromFile(theme+"/theme.mnmstheme")==NULL){
printf("ERROR: Can't load theme %s\n",theme.c_str());
success=false;
}
}
generateArrows();
//Everything went fine so return true.
return success;
}
static SDL_Cursor* loadCursor(const char* image[]){
int i,row,col;
//The array that holds the data (0=white 1=black)
Uint8 data[4*32];
//The array that holds the alpha mask (0=transparent 1=visible)
Uint8 mask[4*32];
//The coordinates of the hotspot of the cursor.
int hotspotX, hotspotY;
i=-1;
//Loop through the rows and columns.
//NOTE: We assume a cursor size of 32x32.
for(row=0;row<32;++row){
for(col=0; col<32;++col){
if(col % 8) {
data[i]<<=1;
mask[i]<<=1;
}else{
++i;
data[i]=mask[i]=0;
}
switch(image[4+row][col]){
case '+':
data[i] |= 0x01;
mask[i] |= 0x01;
break;
case '.':
mask[i] |= 0x01;
break;
default:
break;
}
}
}
//Get the hotspot x and y locations from the last line of the cursor.
sscanf(image[4+row],"%d,%d",&hotspotX,&hotspotY);
return SDL_CreateCursor(data,mask,32,32,hotspotX,hotspotY);
}
bool loadFiles(){
//Load the fonts.
if(!loadFonts())
return false;
fontMono=loadFont("VeraMono",12);
//Show a loading screen
{
SDL_Rect r={0,0,screen->w,screen->h};
SDL_FillRect(screen,&r,0);
SDL_Color fg={255,255,255};
SDL_Surface *surface=TTF_RenderUTF8_Blended(fontTitle,_("Loading..."),fg);
if(surface!=NULL){
r.x=(screen->w-surface->w)/2;
r.y=(screen->h-surface->h)/2;
SDL_BlitSurface(surface,NULL,screen,&r);
SDL_FreeSurface(surface);
}
SDL_Flip(screen);
}
musicManager.destroy();
//Load the music and play it.
if(musicManager.loadMusic((getDataPath()+"music/menu.music")).empty()){
printf("WARNING: Unable to load background music! \n");
}
musicManager.playMusic("menu",false);
//Always load the default music list for fallback.
musicManager.loadMusicList((getDataPath()+"music/default.list"));
//Load the configured music list.
getMusicManager()->loadMusicList((getDataPath()+"music/"+getSettings()->getValue("musiclist")+".list"));
getMusicManager()->setMusicList(getSettings()->getValue("musiclist"));
//Check if music is enabled.
if(getSettings()->getBoolValue("music"))
getMusicManager()->setEnabled();
//Load the sound effects
soundManager.loadSound((getDataPath()+"sfx/jump.wav").c_str(),"jump");
soundManager.loadSound((getDataPath()+"sfx/hit.wav").c_str(),"hit");
soundManager.loadSound((getDataPath()+"sfx/checkpoint.wav").c_str(),"checkpoint");
soundManager.loadSound((getDataPath()+"sfx/swap.wav").c_str(),"swap");
soundManager.loadSound((getDataPath()+"sfx/toggle.wav").c_str(),"toggle");
soundManager.loadSound((getDataPath()+"sfx/error.wav").c_str(),"error");
soundManager.loadSound((getDataPath()+"sfx/collect.wav").c_str(),"collect");
soundManager.loadSound((getDataPath()+"sfx/achievement.ogg").c_str(),"achievement");
//Load the cursor images from the Cursor.h file.
cursors[CURSOR_POINTER]=loadCursor(pointer);
cursors[CURSOR_CARROT]=loadCursor(ibeam);
cursors[CURSOR_DRAG]=loadCursor(closedhand);
cursors[CURSOR_SIZE_HOR]=loadCursor(size_hor);
cursors[CURSOR_SIZE_VER]=loadCursor(size_ver);
cursors[CURSOR_SIZE_FDIAG]=loadCursor(size_fdiag);
cursors[CURSOR_SIZE_BDIAG]=loadCursor(size_bdiag);
cursors[CURSOR_REMOVE]=loadCursor(remove_cursor);
//Set the default cursor right now.
SDL_SetCursor(cursors[CURSOR_POINTER]);
levelPackManager.destroy();
//Now sum up all the levelpacks.
vector<string> v=enumAllDirs(getDataPath()+"levelpacks/");
for(vector<string>::iterator i=v.begin(); i!=v.end(); ++i){
levelPackManager.loadLevelPack(getDataPath()+"levelpacks/"+*i);
}
v=enumAllDirs(getUserPath(USER_DATA)+"levelpacks/");
for(vector<string>::iterator i=v.begin(); i!=v.end(); ++i){
levelPackManager.loadLevelPack(getUserPath(USER_DATA)+"levelpacks/"+*i);
}
v=enumAllDirs(getUserPath(USER_DATA)+"custom/levelpacks/");
for(vector<string>::iterator i=v.begin(); i!=v.end(); ++i){
levelPackManager.loadLevelPack(getUserPath(USER_DATA)+"custom/levelpacks/"+*i);
}
//Now we add a special levelpack that will contain the levels not in a levelpack.
LevelPack* levelsPack=new LevelPack;
levelsPack->levelpackName="Levels";
levelsPack->levelpackPath="Levels/";
//NOTE: Set the type of 'levels' to main so it won't be added to the custom packs, even though it contains non-main levels.
levelsPack->type=COLLECTION;
LevelPack* customLevelsPack=new LevelPack;
customLevelsPack->levelpackName="Custom Levels";
customLevelsPack->levelpackPath="Custom Levels/";
customLevelsPack->type=COLLECTION;
//List the addon levels and add them one for one.
v=enumAllFiles(getUserPath(USER_DATA)+"levels/");
for(vector<string>::iterator i=v.begin(); i!=v.end(); ++i){
levelsPack->addLevel(getUserPath(USER_DATA)+"levels/"+*i);
levelsPack->setLocked(levelsPack->getLevelCount()-1);
}
//List the custom levels and add them one for one.
v=enumAllFiles(getUserPath(USER_DATA)+"custom/levels/");
for(vector<string>::iterator i=v.begin(); i!=v.end(); ++i){
levelsPack->addLevel(getUserPath(USER_DATA)+"custom/levels/"+*i);
levelsPack->setLocked(levelsPack->getLevelCount()-1);
customLevelsPack->addLevel(getUserPath(USER_DATA)+"custom/levels/"+*i);
customLevelsPack->setLocked(customLevelsPack->getLevelCount()-1);
}
//Add them to the manager.
levelPackManager.addLevelPack(levelsPack);
levelPackManager.addLevelPack(customLevelsPack);
//Load statistics
statsMgr.loadPicture();
statsMgr.registerAchievements();
statsMgr.loadFile(getUserPath(USER_CONFIG)+"statistics");
//Do something ugly and slow
statsMgr.reloadCompletedLevelsAndAchievements();
statsMgr.reloadOtherAchievements();
//Load the theme, both menu and default.
//NOTE: Loading theme may fail and returning false would stop everything, default theme will be used instead.
if (!loadTheme(getSettings()->getValue("theme"))){
getSettings()->setValue("theme","%DATA%/themes/Cloudscape");
saveSettings();
}
//Nothing failed so return true.
return true;
}
bool loadSettings(){
settings=new Settings(getUserPath(USER_CONFIG)+"meandmyshadow.cfg");
settings->parseFile();
//Now apply settings changed through command line arguments, if any.
map<string,string>::iterator it;
for(it=tmpSettings.begin();it!=tmpSettings.end();++it){
settings->setValue(it->first,it->second);
}
tmpSettings.clear();
//Always return true?
return true;
}
bool saveSettings(){
settings->save();
//Always return true?
return true;
}
Settings* getSettings(){
return settings;
}
MusicManager* getMusicManager(){
return &musicManager;
}
SoundManager* getSoundManager(){
return &soundManager;
}
LevelPackManager* getLevelPackManager(){
return &levelPackManager;
}
ScriptExecutor* getScriptExecutor(){
return &scriptExecutor;
}
void flipScreen(){
if(settings->getBoolValue("gl")){
#ifdef HARDWARE_ACCELERATION
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
//Create a texture from the screen surface.
glBindTexture(GL_TEXTURE_2D,screenTexture);
//Set the texture's stretching properties
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D,0,screen->format->BytesPerPixel,screen->w,screen->h,0,GL_BGRA,GL_UNSIGNED_BYTE,screen->pixels);
glBegin(GL_QUADS);
glTexCoord2i(0,0); glVertex3f(0,0,0);
glTexCoord2i(1,0); glVertex3f(SCREEN_WIDTH,0,0);
glTexCoord2i(1,1); glVertex3f(SCREEN_WIDTH,SCREEN_HEIGHT,0);
glTexCoord2i(0,1); glVertex3f(0,SCREEN_HEIGHT,0);
glEnd();
SDL_GL_SwapBuffers();
#else
//NOTE: Trying to flip the screen using gl while compiled without.
cerr<<"FATAL ERROR: Unable to draw to screen using OpenGL (compiled without)."<<endl;
#endif
}else{
SDL_Flip(screen);
}
}
void clean(){
//Save statistics
statsMgr.saveFile(getUserPath(USER_CONFIG)+"statistics");
//We delete the settings.
if(settings){
delete settings;
settings=NULL;
}
//Delete dictionaryManager.
delete dictionaryManager;
//Get rid of the currentstate.
//NOTE: The state is probably already deleted by the changeState function.
if(currentState)
delete currentState;
//Destroy the GUI if present.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
//Destroy the imageManager.
imageManager.destroy();
//Destroy the musicManager.
musicManager.destroy();
//Destroy all sounds
soundManager.destroy();
//Destroy the cursors.
for(int i=0;i<CURSOR_MAX;i++){
SDL_FreeCursor(cursors[i]);
cursors[i]=NULL;
}
//Destroy the levelPackManager.
levelPackManager.destroy();
levels=NULL;
//Close all joysticks.
inputMgr.closeAllJoysticks();
//Close the fonts and quit SDL_ttf.
TTF_CloseFont(fontTitle);
TTF_CloseFont(fontGUI);
TTF_CloseFont(fontGUISmall);
TTF_CloseFont(fontText);
TTF_CloseFont(fontMono);
TTF_Quit();
//Remove the temp surface.
SDL_FreeSurface(tempSurface);
//Stop audio.and quit
Mix_CloseAudio();
#ifndef __APPLE__
Mix_Quit();
#endif
//And finally quit SDL.
SDL_Quit();
}
void setNextState(int newstate){
//Only change the state when we aren't already exiting.
if(nextState!=STATE_EXIT){
nextState=newstate;
}
}
void changeState(){
//Check if there's a nextState.
if(nextState!=STATE_NULL){
//Delete the currentState.
delete currentState;
currentState=NULL;
//Set the currentState to the nextState.
stateID=nextState;
nextState=STATE_NULL;
//Init the state.
switch(stateID){
case STATE_GAME:
{
currentState=NULL;
Game* game=new Game();
currentState=game;
//Check if we should load record file or a level.
if(!Game::recordFile.empty()){
game->loadRecord(Game::recordFile.c_str());
Game::recordFile.clear();
}else{
game->loadLevel(levels->getLevelFile());
levels->saveLevelProgress();
}
}
break;
case STATE_MENU:
currentState=new Menu();
break;
case STATE_LEVEL_SELECT:
currentState=new LevelPlaySelect();
break;
case STATE_LEVEL_EDIT_SELECT:
currentState=new LevelEditSelect();
break;
case STATE_LEVEL_EDITOR:
{
currentState=NULL;
LevelEditor* levelEditor=new LevelEditor();
currentState=levelEditor;
//Load the selected level.
levelEditor->loadLevel(levels->getLevelFile());
}
break;
case STATE_OPTIONS:
currentState=new Options();
break;
case STATE_ADDONS:
currentState=new Addons();
break;
case STATE_CREDITS:
currentState=new Credits();
break;
case STATE_STATISTICS:
currentState=new StatisticsScreen();
break;
}
//NOTE: STATE_EXIT isn't mentioned, meaning that currentState is null.
//This way the game loop will break and the program will exit.
//Fade out, if fading is enabled.
int fade=0;
if(settings->getBoolValue("fading"))
fade=255;
SDL_BlitSurface(screen,NULL,tempSurface,NULL);
while(fade>0){
fade-=17;
if(fade<0)
fade=0;
SDL_FillRect(screen,NULL,0);
SDL_SetAlpha(tempSurface, SDL_SRCALPHA, fade);
SDL_BlitSurface(tempSurface,NULL,screen,NULL);
flipScreen();
SDL_Delay(25);
}
}
}
void musicStoppedHook(){
//We just call the musicStopped method of the MusicManager.
musicManager.musicStopped();
}
+void channelFinishedHook(int channel){
+ soundManager.channelFinished(channel);
+}
+
bool checkCollision(const SDL_Rect& a,const SDL_Rect& b){
//Check if the left side of box a isn't past the right side of b.
if(a.x>=b.x+b.w){
return false;
}
//Check if the right side of box a isn't left of the left side of b.
if(a.x+a.w<=b.x){
return false;
}
//Check if the top side of box a isn't under the bottom side of b.
if(a.y>=b.y+b.h){
return false;
}
//Check if the bottom side of box a isn't above the top side of b.
if(a.y+a.h<=b.y){
return false;
}
//We have collision.
return true;
}
int parseArguments(int argc, char** argv){
//Loop through all arguments.
//We start at one since 0 is the command itself.
for(int i=1;i<argc;i++){
string argument=argv[i];
//Check if the argument is the data-dir.
if(argument=="--data-dir"){
//We need a second argument so we increase i.
i++;
if(i>=argc){
printf("ERROR: Missing argument for command '%s'\n\n",argument.c_str());
return -1;
}
//Configure the dataPath with the given path.
dataPath=argv[i];
if(!getDataPath().empty()){
char c=dataPath[dataPath.size()-1];
if(c!='/'&&c!='\\') dataPath+="/";
}
}else if(argument=="--user-dir"){
//We need a second argument so we increase i.
i++;
if(i>=argc){
printf("ERROR: Missing argument for command '%s'\n\n",argument.c_str());
return -1;
}
//Configure the userPath with the given path.
userPath=argv[i];
if(!userPath.empty()){
char c=userPath[userPath.size()-1];
if(c!='/'&&c!='\\') userPath+="/";
}
}else if(argument=="-f" || argument=="-fullscreen" || argument=="--fullscreen"){
tmpSettings["fullscreen"]="1";
}else if(argument=="-w" || argument=="-windowed" || argument=="--windowed"){
tmpSettings["fullscreen"]="0";
}else if(argument=="-mv" || argument=="-music" || argument=="--music"){
//We need a second argument so we increase i.
i++;
if(i>=argc){
printf("ERROR: Missing argument for command '%s'\n\n",argument.c_str());
return -1;
}
//Now set the music volume.
tmpSettings["music"]=argv[i];
}else if(argument=="-sv" || argument=="-sound" || argument=="--sound"){
//We need a second argument so we increase i.
i++;
if(i>=argc){
printf("ERROR: Missing argument for command '%s'\n\n",argument.c_str());
return -1;
}
//Now set sound volume.
tmpSettings["sound"]=argv[i];
}else if(argument=="-set" || argument=="--set"){
//We need a second and a third argument so we increase i.
i+=2;
if(i>=argc){
printf("ERROR: Missing argument for command '%s'\n\n",argument.c_str());
return -1;
}
//And set the setting.
tmpSettings[argv[i-1]]=argv[i];
}else if(argument=="-v" || argument=="-version" || argument=="--version"){
//Print the version.
printf("%s\n",version.c_str());
return 0;
}else if(argument=="-h" || argument=="-help" || argument=="--help"){
//If the help is requested we'll return false without printing an error.
//This way the usage/help text will be printed.
return -1;
}else{
//Any other argument is unknow so we return false.
printf("ERROR: Unknown argument %s\n\n",argument.c_str());
return -1;
}
}
//If everything went well we can return true.
return 1;
}
//Special structure that will recieve the GUIEventCallbacks of the messagebox.
struct msgBoxHandler:public GUIEventCallback{
public:
//Integer containing the ret(urn) value of the messageBox.
int ret;
public:
//Constructor.
msgBoxHandler():ret(0){}
void GUIEventCallback_OnEvent(std::string name,GUIObject* obj,int eventType){
//Make sure it's a click event.
if(eventType==GUIEventClick){
//Set the return value.
ret=obj->value;
//After a click event we can delete the GUI.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
}
}
};
msgBoxResult msgBox(string prompt,msgBoxButtons buttons,const string& title){
//Create the event handler.
msgBoxHandler objHandler;
//The GUI objects.
GUIObject* obj;
//Create the GUIObjectRoot, the height and y location is temp.
//It depends on the content what it will be.
GUIObject* root=new GUIFrame((SCREEN_WIDTH-600)/2,200,600,200,title.c_str());
//Integer containing the current y location used to grow dynamic depending on the content.
int y=50;
//Now process the prompt.
{
//Pointer to the string.
char* lps=(char*)prompt.c_str();
//Pointer to a character.
char* lp=NULL;
//We keep looping forever.
//The only way out is with the break statement.
for(;;){
//As long as it's still the same sentence we continue.
//It will stop when there's a newline or end of line.
for(lp=lps;*lp!='\n'&&*lp!='\r'&&*lp!=0;lp++);
//Store the character we stopped on. (End or newline)
char c=*lp;
//Set the character in the string to 0, making lps a string containing one sentence.
*lp=0;
//Add a GUIObjectLabel with the sentence.
root->addChild(new GUILabel(0,y,root->width,25,lps,0,true,true,GUIGravityCenter));
//Increase y with 25, about the height of the text.
y+=25;
//Check the stored character if it was a stop.
if(c==0){
//It was so break out of the for loop.
lps=lp;
break;
}
//It wasn't meaning more will follow.
//We set lps to point after the "newline" forming a new string.
lps=lp+1;
}
}
//Add 70 to y to leave some space between the content and the buttons.
y+=70;
//Recalc the size of the message box.
root->top=(SCREEN_HEIGHT-y)/2;
root->height=y;
//Now we need to add the buttons.
//Integer containing the number of buttons to add.
int count=0;
//Array with the return codes for the buttons.
int value[3]={0};
//Array containing the captation for the buttons.
string button[3]={"","",""};
switch(buttons){
case MsgBoxOKCancel:
count=2;
button[0]=_("OK");value[0]=MsgBoxOK;
button[1]=_("Cancel");value[1]=MsgBoxCancel;
break;
case MsgBoxAbortRetryIgnore:
count=3;
button[0]=_("Abort");value[0]=MsgBoxAbort;
button[1]=_("Retry");value[1]=MsgBoxRetry;
button[2]=_("Ignore");value[2]=MsgBoxIgnore;
break;
case MsgBoxYesNoCancel:
count=3;
button[0]=_("Yes");value[0]=MsgBoxYes;
button[1]=_("No");value[1]=MsgBoxNo;
button[2]=_("Cancel");value[2]=MsgBoxCancel;
break;
case MsgBoxYesNo:
count=2;
button[0]=_("Yes");value[0]=MsgBoxYes;
button[1]=_("No");value[1]=MsgBoxNo;
break;
case MsgBoxRetryCancel:
count=2;
button[0]=_("Retry");value[0]=MsgBoxRetry;
button[1]=_("Cancel");value[1]=MsgBoxCancel;
break;
default:
count=1;
button[0]=_("OK");value[0]=MsgBoxOK;
break;
}
//Now we start making the buttons.
{
//Reduce y so that the buttons fit inside the frame.
y-=40;
double places[3]={0.0};
if(count==1){
places[0]=0.5;
}else if(count==2){
places[0]=0.4;
places[1]=0.6;
}else if(count==3){
places[0]=0.3;
places[1]=0.5;
places[2]=0.7;
}
//Loop to add the buttons.
for(int i=0;i<count;i++){
obj=new GUIButton(root->width*places[i],y,-1,36,button[i].c_str(),value[i],true,true,GUIGravityCenter);
obj->eventCallback=&objHandler;
root->addChild(obj);
}
}
//Now we dim the screen and keep the GUI rendering/updating.
GUIOverlay* overlay=new GUIOverlay(root);
overlay->enterLoop(true);
//And return the result.
return (msgBoxResult)objHandler.ret;
}
struct fileDialogHandler:public GUIEventCallback{
public:
//The ret(urn) value, true=ok and false=cancel
bool ret;
//Boolean if it's a save dialog.
bool isSave;
//Boolean if the file should be verified.
bool verifyFile;
//Boolean if files should be listed instead of directories.
bool files;
//Pointer to the textfield containing the filename.
GUIObject* txtName;
//Pointer to the listbox containing the different files.
GUIListBox* lstFile;
//The extension the files listed should have.
const char* extension;
//The current filename.
string fileName;
//The current search path.
string path;
//Vector containing the search paths.
vector<string> searchPath;
public:
//Constructor.
fileDialogHandler(bool isSave=false,bool verifyFile=false, bool files=true):ret(false),
isSave(isSave),verifyFile(verifyFile),
files(files),txtName(NULL),lstFile(NULL),extension(NULL){}
void GUIEventCallback_OnEvent(std::string name,GUIObject* obj,int eventType){
//Check for the ok event.
if(name=="cmdOK"){
//Get the entered fileName from the text field.
std::string s=txtName->caption;
//If it doesn't contain a slash we need to add the path to the fileName.
if(s.find_first_of("/")==string::npos)
s=path+s;
//If the string empty we return.
if(s.empty() || s.find_first_of("*?")!=string::npos)
return;
//We only need to check for extensions if it isn't a folder dialog.
if(files){
//If there isn't right extension add it.
size_t found=s.find_first_of(".");
if(found!=string::npos)
s.replace(s.begin()+found+1,s.end(),extension);
else if (s.substr(found+1)!=extension)
s.append(string(".")+extension);
}
//Check if we should save or load the file.
//
if(isSave){
//Open the file with read permission to check if it already exists.
FILE* f;
f=fopen(processFileName(s).c_str(),"rb");
//Check if it exists.
if(f){
//Close the file.
fclose(f);
//Let the currentState render once to prevent multiple GUI overlapping and prevent the screen from going black.
currentState->render();
//Prompt the user with a Yes or No question.
/// TRANSLATORS: Filename is coming before this text
if(msgBox(tfm::format(_("%s already exists.\nDo you want to overwrite it?"),s),MsgBoxYesNo,_("Overwrite Prompt"))!=MsgBoxYes){
//He answered no, so we return.
return;
}
}
//Check if we should verify the file.
//Verifying only applies to files not to directories.
if(verifyFile && files){
//Open the file with write permission.
f=fopen(processFileName(s).c_str(),"wb");
//Check if their aren't problems.
if(f){
//Close the file.
fclose(f);
}else{
//Let the currentState render once to prevent multiple GUI overlapping and prevent the screen from going black.
currentState->render();
//The file can't be opened so tell the user.
msgBox(tfm::format(_("Can't open file %s."),s),MsgBoxOKOnly,_("Error"));
return;
}
}
}else if(verifyFile && files){
//We need to verify a file for opening.
FILE *f;
f=fopen(processFileName(s).c_str(),"rb");
//Check if it didn't fail.
if(f){
//Succes, so close the file.
fclose(f);
}else{
//Let the currentState render once to prevent multiple GUI overlapping and prevent the screen from going black.
currentState->render();
//Unable to open file so tell the user.
msgBox(tfm::format(_("Can't open file %s."),s),MsgBoxOKOnly,_("Error"));
return;
}
}
//If we haven't returned then it's fine.
//Set the fileName to the chosen file.
fileName=s;
//Delete the GUI.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
//Set return to true.
ret=true;
}else if(name=="cmdCancel"){
//Cancel means we can kill the gui.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
}else if(name=="lstFile"){
//Get a pointer to the listbox.
GUIListBox* obj1=lstFile;
//Make sure the option exist and change textfield to it.
if(obj1!=NULL && txtName!=NULL && obj1->value>=0 && obj1->value<(int)obj1->item.size()){
txtName->caption=obj1->item[obj1->value];
}
}else if(name=="lstSearchIn"){
//Get the searchpath listbox.
GUISingleLineListBox *obj1=dynamic_cast<GUISingleLineListBox*>(obj);
//Check if the entry exists.
if(obj1!=NULL && lstFile!=NULL && obj1->value>=0 && obj1->value<(int)searchPath.size()){
//Temp string.
string s;
//Get the new search path.
path=searchPath[obj1->value];
//Make sure it isn't empty.
if(!path.empty()){
//Process the filename.
s=processFileName(path);
}else{
//It's empty so we give the userpath.
s=getUserPath();
}
//Fill the list with files or directories.
if(files) {
lstFile->item=enumAllFiles(s,extension);
}else
lstFile->item=enumAllDirs(s);
//Remove any selection from the list.
lstFile->value=-1;
}
}
}
};
bool fileDialog(string& fileName,const char* title,const char* extension,const char* path,bool isSave,bool verifyFile,bool files){
//Pointer to GUIObject to make the GUI with.
GUIObject* obj;
//Create the fileDialogHandler, used for event handling.
fileDialogHandler objHandler(isSave,verifyFile,files);
//Vector containing the pathNames.
vector<string> pathNames;
//Set the extension of the objHandler.
objHandler.extension=extension;
//We now need to splits the given path into multiple path names.
if(path && path[0]){
//The string isn't empty.
//Pointer to the paths string.
char* lp=(char*)path;
//Pointer to the first newline.
char* lps=strchr(lp,'\n');
//Pointer used for checking if their's another newline.
//It will indicate if it's the last set or not.
char* lpe;
//Check for a newline.
if(lps){
//We have newline(s) so loop forever.
//We can only break out of the loop when the string ends.
for(;;){
//Add the first searchpath.
//This is the beginning of the string (lp) to the first newline. (lps)
objHandler.searchPath.push_back(string(lp,lps-lp));
//We should have another newline so search for it.
lpe=strchr(lps+1,'\n');
if(lpe){
//We found it so we add that to the pathname.
pathNames.push_back(string(lps+1,lpe-lps-1));
//And start over again by setting lp to the start of a new set of searchPath/pathName.
lp=lpe+1;
}else{
//There is no newline anymore, meaning the last entry, the rest of the string must be the pathName.
pathNames.push_back(string(lps+1));
//And break out of the loop.
break;
}
//We haven't broken out so search for a newline.
lps=strchr(lp,'\n');
//If there isn't a newline break.
if(!lps)
break;
}
}else{
//There is no newline thus the whole string is the searchPath.
objHandler.searchPath.push_back(path);
}
}else{
//Empty so put an empty string as searchPath.
objHandler.searchPath.push_back(string());
}
//It's time to create the GUI.
//If there are more than one pathNames we need to add a GUISingleLineListBox.
int base_y=pathNames.empty()?20:60;
//Create the frame.
GUIObject* root=new GUIFrame(100,100-base_y/2,600,400+base_y,title?title:(isSave?_("Save File"):_("Load File")));
//Create the search path list box if needed.
if(!pathNames.empty()){
root->addChild(new GUILabel(8,40,184,36,_("Search In")));
GUISingleLineListBox* obj1=new GUISingleLineListBox(160,40,432,36);
obj1->addItems(pathNames);
obj1->value=0;
obj1->name="lstSearchIn";
obj1->eventCallback=&objHandler;
root->addChild(obj1);
}
//Add the FileName label and textfield.
root->addChild(new GUILabel(8,20+base_y,184,36,_("File Name")));
{
//Fill the textbox with the given fileName.
string s=fileName;
if(!isSave){
//But only if it isn't empty.
if(s.empty() && extension && extension[0])
s=string("*.")+string(extension);
}
//Create the textbox and add it to the GUI.
objHandler.txtName=new GUITextBox(160,20+base_y,432,36,s.c_str());
root->addChild(objHandler.txtName);
}
//Now we add the ListBox containing the files or directories.
{
GUIListBox* obj1=new GUIListBox(8,60+base_y,584,292);
//Get the searchPath.
string s=objHandler.searchPath[0];
//Make sure it isn't empty.
if(!s.empty()){
objHandler.path=s;
s=processFileName(s);
}else{
s=getUserPath();
}
//Check if we should list files or directories.
if(files){
//Fill the list with files.
obj1->item=enumAllFiles(s,extension);
}else{
//Fill the list with directories.
obj1->item=enumAllDirs(s);
}
obj1->name="lstFile";
obj1->eventCallback=&objHandler;
root->addChild(obj1);
objHandler.lstFile=obj1;
}
//Now create the OK and Cancel buttons.
obj=new GUIButton(200,360+base_y,192,36,_("OK"));
obj->name="cmdOK";
obj->eventCallback=&objHandler;
root->addChild(obj);
obj=new GUIButton(400,360+base_y,192,36,_("Cancel"));
obj->name="cmdCancel";
obj->eventCallback=&objHandler;
root->addChild(obj);
//Create the gui overlay.
GUIOverlay* overlay=new GUIOverlay(root);
overlay->enterLoop();
//Now determine what the return value is (and if there is one).
if(objHandler.ret)
fileName=objHandler.fileName;
return objHandler.ret;
}
diff --git a/src/Functions.h b/src/Functions.h
index da9f63a..a93f28b 100644
--- a/src/Functions.h
+++ b/src/Functions.h
@@ -1,253 +1,259 @@
/*
* Copyright (C) 2011-2013 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow 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 3 of the License, or
* (at your option) any later version.
*
* Me and My Shadow 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 Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef FUNCTIONS_H
#define FUNCTIONS_H
#include "Settings.h"
#include "MusicManager.h"
#include "SoundManager.h"
#include "LevelPackManager.h"
#include "ScriptExecutor.h"
#include "Globals.h"
#include <SDL/SDL.h>
#include <string>
#include <vector>
//gettext function
//message: The message to translate.
//Returns: The translated string or the original string if there is not translation available.
#define _(message) (dictionaryManager!=NULL?dictionaryManager->get_dictionary().translate(message).c_str():std::string(message).c_str())
//gettext function
//NOTE: "_C" is conflict to some Android macros so we change its name.
//dictionaryManager: Pointer to the dictionaryManager to use for the translation.
//message: The message to translate.
//Returns: The translated string or the original string if there is not translation available.
#define _CC(dictionaryManager, message) ((dictionaryManager)!=NULL?(dictionaryManager)->get_dictionary().translate(message).c_str():std::string(message).c_str())
//dummy function for xgettext
//message: The message to translate.
//Returns: message parameter
#define __(message) (message)
//Loads an image.
//file: The image file to load.
//Returns: The SDL_surface containing the image.
SDL_Surface* loadImage(std::string file);
//Method for drawing an SDL_Surface onto another.
//x: The x location to draw the source on the desination.
//y: The y location to draw the source on the desination.
//source: The SDL_Surface to draw.
//dest: The SDL_Surface to draw on.
//clip: Rectangle which part of the source should be drawn.
void applySurface(int x,int y,SDL_Surface* source,SDL_Surface* dest,SDL_Rect* clip);
//Method used to draw an rectangle.
//x: The top left x location of the rectangle.
//y: The top left y location of the rectangle.
//w: The width of the rectangle,
//h: The height of the rectangle.
//dest: The SDL_Surface to draw on.
//color: The color of the rectangle border to draw.
void drawRect(int x,int y,int w,int h,SDL_Surface* dest,Uint32 color=0);
//Method used to draw filled boxes with an anti-alliased border.
//Mostly used for GUI components.
//x: The top left x location of the box.
//y: The top left y location of the box.
//w: The width of the box,
//h: The height of the box.
//dest: The SDL_Surface to draw on.
//color: The color of the rectangle background to draw.
void drawGUIBox(int x,int y,int w,int h,SDL_Surface* dest,Uint32 color);
//Method used to draw a line.
//x1: The x location of the start point.
//y1: The y location of the start point.
//x2: The x location of the end point.
//y2: The y location of the end point.
//dest: The SDL_Surface to draw on.
//color: The color of the line to draw.
void drawLine(int x1,int y1,int x2,int y2,SDL_Surface* dest,Uint32 color=0);
//Method used to draw a line with some arrows on it.
//x1: The x location of the start point.
//y1: The y location of the start point.
//x2: The x location of the end point.
//y2: The y location of the end point.
//dest: The SDL_Surface to draw on.
//color: The color of the line to draw.
//spacing: The spacing between arrows.
//offset: Offset of first arrow relative to the start point.
//xize, ysize: The size of arrow.
void drawLineWithArrow(int x1,int y1,int x2,int y2,SDL_Surface* dest,Uint32 color=0,int spacing=16,int offset=0,int xsize=5,int ysize=5);
//Method that will load the fonts needed for the game.
//NOTE: It's separate from loadFiles(), since it might get called separatly from the code when changing the language.
bool loadFonts();
//Method that will load the default theme again.
//name: name of the theme to load or empty for scaling background
//NOTE: It's separate from loadFiles(), since it might get called separatly from the code when changing resolution.
bool loadTheme(string name);
//This method will attempt to create the screen/window.
//NOTE: It's separate from init(), since it might get called separatly from the code when changing resolution.
bool createScreen();
//Method that is called when a fullscreen window is created.
//It will choose the resolution that is closest to the configured one.
void pickFullscreenResolution();
//This method is used to configure the window that is created by createScreen.
//NOTE: It will do it in a WM specific way, so if the wm is unkown it will do nothing.
//initial: Boolean that is true if it's the first time the window is configured.
void configureWindow(bool initial);
//Call this method when receive SDL_VIDEORESIZE event.
void onVideoResize();
//Initialises the game. This is done almost at the beginning of the program.
//It initialises: SDL, SDL_Mixer, SDL_ttf, the screen and the block types.
//Returns: True if everything goes well.
bool init();
//Loads some important files, like the background music and the default theme.
//Returns: True if everything goes well.
bool loadFiles();
//This method will load the settings from the settings file.
//Returns: False if there's an error while loading.
bool loadSettings();
//This method will save the settings to the settings file.
//Returns: False if there's an error while saving.
bool saveSettings();
//Method used to get a pointer to the settings object.
//Returns: A pointer to the settings object.
Settings* getSettings();
//Method used to get a pointer to the MusicManager object.
//Returns: A pointer to the MusicManager object.
MusicManager* getMusicManager();
//Method used to get a pointer to the SoundManager object.
//Returns: A pointer to the SoundManager object.
SoundManager* getSoundManager();
//Method used to get a pointer to the LevelPackManager object.
//Returns: A pointer to the LevelPackManager object.
LevelPackManager* getLevelPackManager();
//Method used to get a pointer to the ScriptExecutor object.
//Returns: A pointer to the ScriptExecutor object.
ScriptExecutor* getScriptExecutor();
//Method that will, depending on the rendering backend, draw the screen surface to the screen.
void flipScreen();
//Method used to clean up before quiting meandmyshadow.
void clean();
//Sets what the nextState will be.
//newstate: Integer containing the id of the newstate.
void setNextState(int newstate);
//Method that will perform the state change.
//It will fade out and in.
void changeState();
//This method is called when music is stopped.
-//NOTE: This method is outside the MusicManager because it couldn't be called otherwise.
+//NOTE: This method is outside the MusicManager because it can't be called otherwise by SDL_Mixer.
//Do not call this method anywhere in the code!
void musicStoppedHook();
+//This method is called when a sfx finished playing.
+//NOTE: This method is outside the SoundManager because it can't be called otherwise by SDL_Mixer.
+//Do not call this method anywhere in the code!
+//channel: The number of the channel that is finished.
+void channelFinishedHook(int channel);
+
//Checks collision between two SDL_Rects.
//a: The first rectangle.
//b: The second rectangle.
//Returns: True if the two rectangles collide.
bool checkCollision(const SDL_Rect& a,const SDL_Rect& b);
//Parse the commandline arguments.
//argc: Integer containing the number of aruguments there are.
//argv: The arguments.
//Returns: -1 if something goes wrong while parsing,
// 0 if version is shown,
// 1 if everything is alright
int parseArguments(int argc, char** argv);
//From http://en.wikipedia.org/wiki/Clamping_(graphics)
//x: The value to clamp.
//min: The minimum x can be.
//max: The maximum x can be.
//Returns: Integer containing the clamped value.
int inline clamp(int x,int min,int max){
return (x>max)?max:(x<min)?min:x;
}
//Enumeration containing the different messagebox button combinations.
enum msgBoxButtons{
//Only one button with the text OK.
MsgBoxOKOnly=0,
//Two buttons, one saying OK, the other Cancel.
MsgBoxOKCancel=1,
//Three buttons, Abort, Retry, Ignore.
MsgBoxAbortRetryIgnore=2,
//Three buttons, Yes, No or Cancel.
MsgBoxYesNoCancel=3,
//Two buttons, one saying Yes, the other No.
MsgBoxYesNo=4,
//Two buttons, one saying Retry, the other Cancel.
MsgBoxRetryCancel=5,
};
//Enumeration containing the different result that can be retrieved from a messagebox.
//It represents the button that has been pressed.
enum msgBoxResult{
//The OK button.
MsgBoxOK=1,
//The cancel button.
MsgBoxCancel=2,
//The abort button.
MsgBoxAbort=3,
//The retry button.
MsgBoxRetry=4,
//The ignore button.
MsgBoxIgnore=5,
//The yes button.
MsgBoxYes=6,
//The no button.
MsgBoxNo=7,
};
//Method that prompts the user with a notification and/or question.
//prompt: The message the user is prompted with.
//buttons: Which buttons the messagebox should have.
//title: The title of the message box.
//Returns: A msgBoxResult which button has been pressed.
msgBoxResult msgBox(std::string prompt,msgBoxButtons buttons,const std::string& title);
//This method will show a file dialog in which the user can select a file.
//NOTE: It doesn't support entering folders.
//fileName: String that will contain the result, it can also be used to already chose the file.
//title: The title of the fileDialog window.
//extension: The extension the files must have, leave empty for all files.
//path: The path to list the files of.
//isSave: If the dialog is for saving files, and not loading.
//verifyFile: Boolean if the selected should be verified.
//files: Boolean if the fileDialog should display files, if not it will display directories.
bool fileDialog(std::string& fileName,const char* title=NULL,const char* extension=NULL,const char* path=NULL,bool isSave=false,bool verifyFile=false,bool files=true);
#endif
diff --git a/src/ScriptAPI.cpp b/src/ScriptAPI.cpp
index 5c1043b..5ae5d86 100644
--- a/src/ScriptAPI.cpp
+++ b/src/ScriptAPI.cpp
@@ -1,621 +1,683 @@
/*
- * Copyright (C) 2012 Me and My Shadow
+ * Copyright (C) 2012-2013 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow 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 3 of the License, or
* (at your option) any later version.
*
* Me and My Shadow 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 Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ScriptAPI.h"
#include "ScriptExecutor.h"
#include "Functions.h"
#include "Objects.h"
#include "Game.h"
#include <iostream>
using namespace std;
int test(lua_State* state){
cout<<"Hello world"<<endl;
return 0;
}
//Register the libraries.
void registerFunctions(ScriptExecutor* executor){
//
}
///////////////////////////BLOCK SPECIFIC///////////////////////////
int getBlockById(lua_State* state){
//Get the number of args, this MUST be one.
int args=lua_gettop(state);
if(args!=1){
lua_pushstring(state,"Incorrect number of arguments for getBlockById, expected 1.");
lua_error(state);
}
//Make sure the given argument is an id (string).
if(!lua_isstring(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of getBlockById.");
lua_error(state);
}
//Check if the currentState is the game state.
Game* game=dynamic_cast<Game*>(currentState);
if(game==NULL) return 0;
//Get the actual game object.
string id=lua_tostring(state,1);
std::vector<Block*>& levelObjects=game->levelObjects;
Block* object=NULL;
for(unsigned int i=0;i<levelObjects.size();i++){
if(levelObjects[i]->getEditorProperty("id")==id){
object=levelObjects[i];
break;
}
}
if(object==NULL){
//Unable to find the requested object.
//Return nothing, will result in a nil in the script.
return 0;
}
//Create the userdatum.
object->createUserData(state,"block");
//We return one object, the userdatum.
return 1;
}
int getBlocksById(lua_State* state){
//Get the number of args, this MUST be one.
int args=lua_gettop(state);
if(args!=1){
lua_pushstring(state,"Incorrect number of arguments for getBlocksById, expected 1.");
lua_error(state);
}
//Make sure the given argument is an id (string).
if(!lua_isstring(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of getBlocksById.");
lua_error(state);
}
//Check if the currentState is the game state.
Game* game=dynamic_cast<Game*>(currentState);
if(game==NULL) return 0;
//Get the actual game object.
string id=lua_tostring(state,1);
std::vector<Block*>& levelObjects=game->levelObjects;
std::vector<Block*> result;
for(unsigned int i=0;i<levelObjects.size();i++){
if(levelObjects[i]->getEditorProperty("id")==id){
result.push_back(levelObjects[i]);
}
}
//Create the table that will hold the result.
lua_createtable(state,result.size(),0);
//Loop through the results.
for(unsigned int i=0;i<result.size();i++){
//Create the userdatum.
result[i]->createUserData(state,"block");
//And set the table.
lua_rawseti(state,-2,i+1);
}
//We return one object, the userdatum.
return 1;
}
int getBlockLocation(lua_State* state){
//Make sure there's only one argument and that argument is an userdatum.
int args=lua_gettop(state);
if(args!=1){
lua_pushstring(state,"Incorrect number of arguments for getBlockLocation, expected 1.");
lua_error(state);
}
if(!lua_isuserdata(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of getBlockLocation.");
lua_error(state);
}
Block* object = Block::getObjectFromUserData(state,1);
if(object==NULL) return 0;
//Get the object.
lua_pushnumber(state,object->getBox().x);
lua_pushnumber(state,object->getBox().y);
return 2;
}
int setBlockLocation(lua_State* state){
//Check the number of arguments.
int args=lua_gettop(state);
//Make sure the number of arguments is correct.
if(args!=3){
lua_pushstring(state,"Incorrect number of arguments for setBlockLocation, expected 3.");
lua_error(state);
}
//Check if the arguments are of the right type.
if(!lua_isuserdata(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of setBlockLocation.");
lua_error(state);
}
if(!lua_isnumber(state,2)){
lua_pushstring(state,"Invalid type for argument 2 of setBlockLocation.");
lua_error(state);
}
if(!lua_isnumber(state,3)){
lua_pushstring(state,"Invalid type for argument 3 of setBlockLocation.");
lua_error(state);
}
//Now get the pointer to the object.
Block* object = Block::getObjectFromUserData(state,1);
if(object==NULL) return 0;
int x=lua_tonumber(state,2);
int y=lua_tonumber(state,3);
object->setLocation(x,y);
return 0;
}
int getBlockType(lua_State* state){
int args=lua_gettop(state);
if(args!=1){
lua_pushstring(state,"Incorrect number of arguments for getBlockType, expected 1.");
lua_error(state);
}
if(!lua_isuserdata(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of getBlockType.");
lua_error(state);
}
Block* object = Block::getObjectFromUserData(state,1);
if(object==NULL || object->type<0 || object->type>=TYPE_MAX) return 0;
lua_pushstring(state,Game::blockName[object->type]);
return 1;
}
int changeBlockThemeState(lua_State* state){
int args=lua_gettop(state);
if(args!=2){
lua_pushstring(state,"Incorrect number of arguments for changeBlockThemeState, expected 2.");
lua_error(state);
}
if(!lua_isuserdata(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of changeBlockThemeState.");
lua_error(state);
}
if(!lua_isstring(state,2)){
lua_pushstring(state,"Invalid type for argument 2 of changeBlockThemeState.");
lua_error(state);
}
Block* object = Block::getObjectFromUserData(state,1);
object->appearance.changeState(lua_tostring(state,2));
return 0;
}
int setBlockEnabled(lua_State* state){
int args=lua_gettop(state);
if(args!=2){
lua_pushstring(state,"Incorrect number of arguments for setBlockEnabled, expected 2.");
lua_error(state);
}
if(!lua_isuserdata(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of setBlockEnabled.");
lua_error(state);
}
if(!lua_isboolean(state,2)){
lua_pushstring(state,"Invalid type for argument 2 of setBlockEnabled.");
lua_error(state);
}
Block* object = Block::getObjectFromUserData(state,1);
if(object==NULL)
return 0;
bool enabled=lua_toboolean(state,2);
object->enabled=enabled;
return 0;
}
int isBlockEnabled(lua_State* state){
int args=lua_gettop(state);
if(args!=1){
lua_pushstring(state,"Incorrect number of arguments for isBlockEnabled, expected 1.");
lua_error(state);
}
if(!lua_isuserdata(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of setBlockEnabled.");
lua_error(state);
}
Block* object = Block::getObjectFromUserData(state,1);
if(object==NULL)
return 0;
lua_pushboolean(state,object->enabled);
return 1;
}
//Array with the methods for the block library.
static const struct luaL_Reg blocklib_m[]={
{"getBlockById",getBlockById},
{"getBlocksById",getBlocksById},
{"getLocation",getBlockLocation},
{"setLocation",setBlockLocation},
{"getType",getBlockType},
{"changeThemeState",changeBlockThemeState},
{"setEnabled",setBlockEnabled},
{"isEnabled",isBlockEnabled},
{NULL,NULL}
};
int luaopen_block(lua_State* state){
luaL_newlib(state,blocklib_m);
//Create the metatable for the block userdata.
luaL_newmetatable(state,"block");
lua_pushstring(state,"__index");
lua_pushvalue(state,-2);
lua_settable(state,-3);
Block::registerMetatableFunctions(state,-3);
//Register the functions and methods.
luaL_setfuncs(state,blocklib_m,0);
return 1;
}
//////////////////////////PLAYER SPECIFIC///////////////////////////
struct PlayerUserDatum{
char sig1,sig2,sig3,sig4;
};
Player* getPlayerFromUserData(lua_State* state,int idx){
PlayerUserDatum* ud=(PlayerUserDatum*)lua_touserdata(state,1);
//Make sure the user datum isn't null.
if(!ud) return NULL;
//Get the game state.
Game* game=dynamic_cast<Game*>(currentState);
if(game==NULL) return NULL;
Player* player=NULL;
//Check the signature to see if it's the player or the shadow.
if(ud->sig1=='P' && ud->sig2=='L' && ud->sig3=='Y' && ud->sig4=='R')
player=&game->player;
else if(ud->sig1=='S' && ud->sig2=='H' && ud->sig3=='D' && ud->sig4=='W')
player=&game->shadow;
return player;
}
int getPlayerLocation(lua_State* state){
//Make sure there's only one argument and that argument is an userdatum.
int args=lua_gettop(state);
if(args!=1){
lua_pushstring(state,"Incorrect number of arguments for getPlayerLocation, expected 1.");
lua_error(state);
}
if(!lua_isuserdata(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of getPlayerLocation.");
lua_error(state);
}
Player* player=getPlayerFromUserData(state,1);
if(player==NULL) return 0;
//Get the object.
lua_pushnumber(state,player->getBox().x);
lua_pushnumber(state,player->getBox().y);
return 2;
}
int setPlayerLocation(lua_State* state){
//Make sure there are three arguments, userdatum and two integers.
int args=lua_gettop(state);
if(args!=3){
lua_pushstring(state,"Incorrect number of arguments for setPlayerLocation, expected 3.");
lua_error(state);
}
//Check if the arguments are of the right type.
if(!lua_isuserdata(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of setPlayerLocation.");
lua_error(state);
}
if(!lua_isnumber(state,2)){
lua_pushstring(state,"Invalid type for argument 2 of setPlayerLocation.");
lua_error(state);
}
if(!lua_isnumber(state,3)){
lua_pushstring(state,"Invalid type for argument 3 of setPlayerLocation.");
lua_error(state);
}
//Get the player.
Player* player=getPlayerFromUserData(state,1);
if(player==NULL) return 0;
//Get the new location.
int x=lua_tonumber(state,2);
int y=lua_tonumber(state,3);
player->setLocation(x,y);
return 0;
}
int setPlayerJump(lua_State* state){
//Make sure there are three arguments, userdatum and one integers.
int args=lua_gettop(state);
if(args!=1 && args!=2){
lua_pushstring(state,"Incorrect number of arguments for setPlayerJump, expected 1 or 2.");
lua_error(state);
}
//Check if the arguments are of the right type.
if(!lua_isuserdata(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of setPlayerJump.");
lua_error(state);
}
if(args==2 && !lua_isnumber(state,2)){
lua_pushstring(state,"Invalid type for argument 2 of setPlayerJump.");
lua_error(state);
}
//Get the player.
Player* player=getPlayerFromUserData(state,1);
if(player==NULL) return 0;
//Get the new location.
if(args==2){
int yVel=lua_tonumber(state,2);
player->jump(yVel);
}else{
//Use default jump strength.
player->jump();
}
return 0;
}
int isPlayerShadow(lua_State* state){
//Make sure there's only one argument and that argument is an userdatum.
int args=lua_gettop(state);
if(args!=1){
lua_pushstring(state,"Incorrect number of arguments for isPlayerShadow, expected 1.");
lua_error(state);
}
if(!lua_isuserdata(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of isPlayerShadow.");
lua_error(state);
}
Player* player=getPlayerFromUserData(state,1);
if(player==NULL) return 0;
lua_pushboolean(state,player->isShadow());
return 1;
}
int getPlayerCurrentStand(lua_State* state){
//Get the number of args, this MUST be one.
int args=lua_gettop(state);
if(args!=1){
lua_pushstring(state,"Incorrect number of arguments for getPlayerCurrentStand, expected 1.");
lua_error(state);
}
//Make sure the given argument is a player userdatum.
if(!lua_isuserdata(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of getPlayerCurrentStand.");
lua_error(state);
}
Player* player=getPlayerFromUserData(state,1);
if(player==NULL) return 0;
//Get the actual game object.
Block* object=player->getObjCurrentStand();
if(object==NULL){
return 0;
}
//Create the userdatum.
object->createUserData(state,"block");
//We return one object, the userdatum.
return 1;
}
//Array with the methods for the player and shadow library.
static const struct luaL_Reg playerlib_m[]={
{"getLocation",getPlayerLocation},
{"setLocation",setPlayerLocation},
{"jump",setPlayerJump},
{"isShadow",isPlayerShadow},
{"getCurrentStand",getPlayerCurrentStand},
{NULL,NULL}
};
int luaopen_player(lua_State* state){
luaL_newlib(state,playerlib_m);
//Create the metatable for the player userdata.
luaL_newmetatable(state,"player");
lua_pushstring(state,"__index");
lua_pushvalue(state,-2);
lua_settable(state,-3);
//Now create two default player user data, one for the player and one for the shadow.
PlayerUserDatum* ud=(PlayerUserDatum*)lua_newuserdata(state,sizeof(PlayerUserDatum));
ud->sig1='P';ud->sig2='L';ud->sig3='Y';ud->sig4='R';
luaL_getmetatable(state,"player");
lua_setmetatable(state,-2);
lua_setglobal(state,"player");
ud=(PlayerUserDatum*)lua_newuserdata(state,sizeof(PlayerUserDatum));
ud->sig1='S';ud->sig2='H';ud->sig3='D';ud->sig4='W';
luaL_getmetatable(state,"player");
lua_setmetatable(state,-2);
lua_setglobal(state,"shadow");
//Register the functions and methods.
luaL_setfuncs(state,playerlib_m,0);
return 1;
}
//////////////////////////LEVEL SPECIFIC///////////////////////////
int getLevelSize(lua_State* state){
//NOTE: this function accepts 0 arguments, but we ignore the argument count.
//Returns level size.
lua_pushinteger(state,LEVEL_WIDTH);
lua_pushinteger(state,LEVEL_HEIGHT);
return 2;
}
int getLevelWidth(lua_State* state){
//NOTE: this function accepts 0 arguments, but we ignore the argument count.
//Returns level size.
lua_pushinteger(state,LEVEL_WIDTH);
return 1;
}
int getLevelHeight(lua_State* state){
//NOTE: this function accepts 0 arguments, but we ignore the argument count.
//Returns level size.
lua_pushinteger(state,LEVEL_HEIGHT);
return 1;
}
int getLevelName(lua_State* state){
//NOTE: this function accepts 0 arguments, but we ignore the argument count.
//Check if the currentState is the game state.
Game* game=dynamic_cast<Game*>(currentState);
if(game==NULL) return 0;
//Returns level name.
lua_pushstring(state,game->getLevelName().c_str());
return 1;
}
//Array with the methods for the level library.
static const struct luaL_Reg levellib_m[]={
{"getSize",getLevelSize},
{"getWidth",getLevelWidth},
{"getHeight",getLevelHeight},
{"getName",getLevelName},
{NULL,NULL}
};
int luaopen_level(lua_State* state){
luaL_newlib(state,levellib_m);
//Register the functions and methods.
luaL_setfuncs(state,levellib_m,0);
return 1;
}
/////////////////////////CAMERA SPECIFIC///////////////////////////
int setCameraMode(lua_State* state){
//Get the number of args, this MUST be one.
int args=lua_gettop(state);
if(args!=1){
lua_pushstring(state,"Incorrect number of arguments for setCameraMode, expected 1.");
lua_error(state);
}
//Make sure the given argument is a string.
if(!lua_isstring(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of setCameraMode.");
lua_error(state);
}
string mode=lua_tostring(state,1);
//Get the game for setting the camera.
Game* game=dynamic_cast<Game*>(currentState);
if(game==NULL) return 0;
//Check which mode.
if(mode=="player"){
game->cameraMode=Game::CAMERA_PLAYER;
}else if(mode=="shadow"){
game->cameraMode=Game::CAMERA_SHADOW;
}else{
//Unkown OR invalid camera mode.
lua_pushstring(state,"Unkown or invalid camera mode for setCameraMode.");
lua_error(state);
}
//Returns nothing.
return 0;
}
int cameraLookAt(lua_State* state){
//Get the number of args, this MUST be two (x and y).
int args=lua_gettop(state);
if(args!=2){
lua_pushstring(state,"Incorrect number of arguments for cameraLookAt, expected 2.");
lua_error(state);
}
//Make sure the given arguments are integers.
if(!lua_isnumber(state,1)){
lua_pushstring(state,"Invalid type for argument 1 of cameraLookAt.");
lua_error(state);
}
if(!lua_isnumber(state,2)){
lua_pushstring(state,"Invalid type for argument 2 of cameraLookAt.");
lua_error(state);
}
//Get the point.
int x=lua_tonumber(state,1);
int y=lua_tonumber(state,2);
//Get the game for setting the camera.
Game* game=dynamic_cast<Game*>(currentState);
if(game==NULL) return 0;
game->cameraMode=Game::CAMERA_CUSTOM;
game->cameraTarget.x=x;
game->cameraTarget.y=y;
return 0;
}
//Array with the methods for the camera library.
static const struct luaL_Reg cameralib_m[]={
{"setMode",setCameraMode},
{"lookAt",cameraLookAt},
{NULL,NULL}
};
int luaopen_camera(lua_State* state){
luaL_newlib(state,cameralib_m);
//Register the functions and methods.
luaL_setfuncs(state,cameralib_m,0);
return 1;
}
+
+/////////////////////////AUDIO SPECIFIC///////////////////////////
+
+int playSound(lua_State* state){
+ //Get the number of args, this can be anything from one to three.
+ int args=lua_gettop(state);
+ if(args<1 || args>3){
+ lua_pushstring(state,"Incorrect number of arguments for playSound, expected 1-3.");
+ lua_error(state);
+ }
+ //Make sure the first argument is a string.
+ if(!lua_isstring(state,1)){
+ lua_pushstring(state,"Invalid type for argument 1 of playSound.");
+ lua_error(state);
+ }
+
+ //Default values for concurrent and force.
+ //See SoundManager.h
+ int concurrent=1;
+ bool force=false;
+
+ //If there's a second one it should be an integer.
+ if(args>1){
+ if(!lua_isnumber(state,2)){
+ lua_pushstring(state,"Invalid type for argument 2 of playSound.");
+ lua_error(state);
+ }else{
+ concurrent=lua_tonumber(state,2);
+ }
+ }
+ //If there's a third one it should be a boolean.
+ if(args>2){
+ if(!lua_isboolean(state,3)){
+ lua_pushstring(state,"Invalid type for argument 3 of playSound.");
+ lua_error(state);
+ }else{
+ force=lua_toboolean(state,3);
+ }
+ }
+
+ //Get the name of the sound.
+ string sound=lua_tostring(state,1);
+ //Try to play the sound.
+ getSoundManager()->playSound(sound,concurrent,force);
+
+ //Returns nothing.
+ return 0;
+}
+
+//Array with the methods for the audio library.
+static const struct luaL_Reg audiolib_m[]={
+ {"playSound",playSound},
+ {NULL,NULL}
+};
+
+int luaopen_audio(lua_State* state){
+ luaL_newlib(state,audiolib_m);
+
+ //Register the functions and methods.
+ luaL_setfuncs(state,audiolib_m,0);
+ return 1;
+}
diff --git a/src/ScriptAPI.h b/src/ScriptAPI.h
index adc5ca4..2bb6940 100644
--- a/src/ScriptAPI.h
+++ b/src/ScriptAPI.h
@@ -1,43 +1,45 @@
/*
- * Copyright (C) 2012 Me and My Shadow
+ * Copyright (C) 2012-2013 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow 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 3 of the License, or
* (at your option) any later version.
*
* Me and My Shadow 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 Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SCRIPTAPI_H
#define SCRIPTAPI_H
extern "C" {
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
}
class ScriptExecutor;
//Method for loading the block library.
int luaopen_block(lua_State* state);
//Method for loading the player and shadow library.
int luaopen_player(lua_State* state);
//Method for loading the level library.
int luaopen_level(lua_State* state);
//Method for loading the camera library.
int luaopen_camera(lua_State* state);
+//Method for loading the audio library.
+int luaopen_audio(lua_State* state);
//Register the libraries.
void registerFunctions(ScriptExecutor* executor);
#endif
\ No newline at end of file
diff --git a/src/ScriptExecutor.cpp b/src/ScriptExecutor.cpp
index 10e34de..186a619 100644
--- a/src/ScriptExecutor.cpp
+++ b/src/ScriptExecutor.cpp
@@ -1,85 +1,86 @@
/*
* Copyright (C) 2012 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow 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 3 of the License, or
* (at your option) any later version.
*
* Me and My Shadow 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 Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ScriptExecutor.h"
#include "ScriptAPI.h"
#include <iostream>
using namespace std;
ScriptExecutor::ScriptExecutor():state(NULL){
//NOTE: If a state is going to use the scriptExecutor it is his task to reset it.
}
ScriptExecutor::~ScriptExecutor(){
//Make sure there is a state to close.
if(state)
lua_close(state);
}
void ScriptExecutor::reset(){
//Close the lua_state, if any.
if(state)
lua_close(state);
//Create a new state.
state=luaL_newstate();
//Now load the lua libraries.
//FIXME: Only allow safe libraries/functions.
luaopen_base(state);
luaL_requiref(state,"table",luaopen_table,1);
luaL_requiref(state,"bit32",luaopen_bit32,1);
luaL_requiref(state,"string",luaopen_string,1);
luaL_requiref(state,"math",luaopen_math,1);
//Load our own libraries.
luaL_requiref(state,"block",luaopen_block,1);
luaL_requiref(state,"playershadow",luaopen_player,1);
luaL_requiref(state,"level",luaopen_level,1);
luaL_requiref(state,"camera",luaopen_camera,1);
+ luaL_requiref(state,"audio",luaopen_audio,1);
}
void ScriptExecutor::registerFunction(std::string name,lua_CFunction function){
lua_register(state,name.c_str(),function);
}
void ScriptExecutor::executeScript(std::string script,Block* origin){
//First make sure the stack is empty.
lua_settop(state,0);
//If the origin isn't null set it in the global scope.
if(origin){
origin->createUserData(state,"block");
lua_setglobal(state,"this");
}
//Now execute the script.
luaL_dostring(state,script.c_str());
//If we set an origin set it back to nothing.
if(origin){
lua_pushnil(state);
lua_setglobal(state,"this");
}
//Check if there's an error.
if(lua_gettop(state)!=0){
cerr<<"LUA ERROR: "<<lua_tostring(state,1)<<endl;
}
}
diff --git a/src/SoundManager.cpp b/src/SoundManager.cpp
index 5f09642..8be2fb1 100644
--- a/src/SoundManager.cpp
+++ b/src/SoundManager.cpp
@@ -1,79 +1,116 @@
/*
* Copyright (C) 2013 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow 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 3 of the License, or
* (at your option) any later version.
*
* Me and My Shadow 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 Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#include "SoundManager.h"
#include "TreeStorageNode.h"
#include "POASerializer.h"
#include "FileManager.h"
#include "Functions.h"
#include <stdio.h>
#include <fstream>
#include <iostream>
#include <algorithm>
using namespace std;
-SoundManager::SoundManager(){}
+SoundManager::SoundManager(){
+ Mix_ChannelFinished(channelFinishedHook);
+}
SoundManager::~SoundManager(){
//We call destroy().
destroy();
}
void SoundManager::destroy(){
//Loop through the imageCollection and free them.
std::map<std::string,Mix_Chunk*>::iterator i;
for(i=sounds.begin();i!=sounds.end();++i){
if(i->second!=NULL){
Mix_FreeChunk(i->second);
}
}
//And clear the collection.
sounds.clear();
}
void SoundManager::loadSound(const std::string &file,const std::string &name){
//Make sure the name isn't in use already.
Mix_Chunk* sfx=sounds[name];
if(sfx!=NULL){
cerr<<"WARNING: There's already a sound registered for: "<<name<<endl;
return;
}
//Now load the sound file.
sfx=Mix_LoadWAV(file.c_str());
if(sfx==NULL)
cerr<<"ERROR: Can't load sound file "<<file<<", "<<SDL_GetError()<<endl;
sounds[name]=sfx;
}
-void SoundManager::playSound(const std::string &name){
+void SoundManager::playSound(const std::string &name,const int concurrent,const bool force){
+ //Make sure sound is enabled.
+ if(!getSettings()->getBoolValue("sound"))
+ return;
+
//Check if the music is in the collection.
Mix_Chunk* sfx=sounds[name];
if(sfx==NULL){
cerr<<"WARNING: No such sound registered: "<<name<<endl;
return;
}
+
+ //Check if there's a limit to the number of times the sfx should be played at the same time.
+ if(concurrent!=-1){
+ //There is so check the number of currently playing.
+ int currentPlaying=0;
+ for(int i=0;i<MIX_CHANNELS;i++){
+ if(playing[i]==name)
+ currentPlaying++;
+ }
+
+ //Check if there are too many of the same effect playing.
+ if(currentPlaying>=concurrent)
+ return;
+ }
- //Make sure sound is enabled.
- if(getSettings()->getBoolValue("sound")==true){
- Mix_PlayChannel(-1,sfx,0);
+ //Try to play the sfx on a free channel.
+ int channel=Mix_PlayChannel(-1,sfx,0);
+ //Check if there was an error.
+ if(channel==-1){
+ if(force){
+ //We need to clear a channel for the sfx since it has to be played.
+ //FIXME: Always clear the first channel?
+ Mix_HaltChannel(0);
+ channel=Mix_PlayChannel(0,sfx,0);
+ if(channel==-1)
+ cerr<<"WARNING: Unable to forcefully play sound '"<<name<<"'!"<<endl;
+ }else{
+ cerr<<"WARNING: Unable to play sound '"<<name<<"', out of channels."<<endl;
+ }
+ }else{
+ playing[channel]=name;
}
}
+
+void SoundManager::channelFinished(int channel){
+ playing[channel].clear();
+}
diff --git a/src/SoundManager.h b/src/SoundManager.h
index 7824d65..e40ead8 100644
--- a/src/SoundManager.h
+++ b/src/SoundManager.h
@@ -1,56 +1,67 @@
/*
* Copyright (C) 2013 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow 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 3 of the License, or
* (at your option) any later version.
*
* Me and My Shadow 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 Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SOUNDMANAGER_H
#define SOUNDMANAGER_H
#include <SDL/SDL.h>
#ifdef __APPLE__
#include <SDL_mixer/SDL_mixer.h>
#else
#include <SDL/SDL_mixer.h>
#endif
#include <string>
#include <map>
#include <vector>
//Class for loading and playing sound effects.
class SoundManager{
private:
+ //Map containing the sfx chunk by name.
std::map<std::string,Mix_Chunk*> sounds;
+
+ //Array that holds the name of the sfx that is playing on each channel.
+ std::string playing[MIX_CHANNELS];
public:
//Constructor.
SoundManager();
//Destructor.
~SoundManager();
-
+
//Destroys the sound chunks.
void destroy();
//This method will load one sfx file and add it to the collection.
//file: The filename of the sfx file.
//name: The name the sfx should have.
void loadSound(const std::string &file,const std::string &name);
//This method will start playing a sfx.
//name: The name of the sfx to play.
- void playSound(const std::string &name);
+ //concurrent: Integer containing the number of times the same sfx can be played at once, -1 is unlimited.
+ //force: Boolean if the sound must get
+ void playSound(const std::string &name,const int concurrent=1,const bool force=false);
+
+ //Method that is called when a sfx is done playing.
+ //channel: The channel number.
+ void channelFinished(int channel);
+
};
#endif

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