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TitleMenu.cpp
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TitleMenu.cpp
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/*
* Copyright (C) 2011-2012 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 "Functions.h"
#include "GameState.h"
#include "Globals.h"
#include "TitleMenu.h"
#include "GUIListBox.h"
#include "InputManager.h"
#include <iostream>
#include <algorithm>
#include <sstream>
#include <SDL/SDL_gfxBlitFunc.h>
#include "libs/tinygettext/tinygettext.hpp"
using namespace std;
/////////////////////////MAIN_MENU//////////////////////////////////
//Integer containing the highlighted/selected menu option.
static int highlight=0;
Menu::Menu(){
highlight=0;
animation=0;
//Load the title image.
title=loadImage(getDataPath()+"gfx/menu/title.png");
//Now render the five entries.
SDL_Color black={0,0,0};
entries[0]=TTF_RenderUTF8_Blended(fontTitle,_("Play"),black);
entries[1]=TTF_RenderUTF8_Blended(fontTitle,_("Options"),black);
entries[2]=TTF_RenderUTF8_Blended(fontTitle,_("Map Editor"),black);
entries[3]=TTF_RenderUTF8_Blended(fontTitle,_("Addons"),black);
entries[4]=TTF_RenderUTF8_Blended(fontTitle,_("Credits"),black);
entries[5]=TTF_RenderUTF8_Blended(fontTitle,_("Quit"),black);
entries[6]=TTF_RenderUTF8_Blended(fontTitle,">",black);
entries[7]=TTF_RenderUTF8_Blended(fontTitle,"<",black);
}
Menu::~Menu(){
//We need to free the five text surfaceses.
for(unsigned int i=0;i<8;i++)
SDL_FreeSurface(entries[i]);
}
void Menu::handleEvents(){
//Get the x and y location of the mouse.
int x,y;
SDL_GetMouseState(&x,&y);
//Calculate which option is highlighted using the location of the mouse.
//Only if mouse is 'doing something'
if(event.type==SDL_MOUSEMOTION || event.type==SDL_MOUSEBUTTONDOWN){
if(x>=250&&x<SCREEN_WIDTH-250&&y>=(SCREEN_HEIGHT-250)/2&&y<(SCREEN_HEIGHT-250)/2+340){
highlight=(y-((SCREEN_HEIGHT-250)/2-64))/64;
}
}
//Down/Up -arrows move highlight
if(inputMgr.isKeyDownEvent(INPUTMGR_DOWN)){
highlight++;
if(highlight>=7)
highlight=6;
}
if(inputMgr.isKeyDownEvent(INPUTMGR_UP)){
highlight--;
if(highlight<1)
highlight=1;
}
//Check if there's a press event.
if((event.type==SDL_MOUSEBUTTONUP && event.button.button==SDL_BUTTON_LEFT) ||
(inputMgr.isKeyUpEvent(INPUTMGR_SELECT))){
//We have one so check which selected/highlighted option needs to be done.
switch(highlight){
case 1:
//Enter the levelSelect state.
setNextState(STATE_LEVEL_SELECT);
break;
case 2:
//Enter the options state.
setNextState(STATE_OPTIONS);
break;
case 3:
//Enter the levelEditor, but first set the level to a default leveledit map.
levelName="";
setNextState(STATE_LEVEL_EDIT_SELECT);
break;
case 4:
//Check if internet is enabled.
if(!getSettings()->getBoolValue("internet")){
msgBox(_("Enable internet in order to install addons."),MsgBoxOKOnly,_("Internet disabled"));
break;
}
//Enter the help state.
setNextState(STATE_ADDONS);
break;
case 5:
//Show credits
setNextState(STATE_CREDITS);
break;
case 6:
//We quit, so we enter the exit state.
setNextState(STATE_EXIT);
break;
}
}
//We also need to quit the menu when escape is pressed.
if(inputMgr.isKeyUpEvent(INPUTMGR_ESCAPE)){
setNextState(STATE_EXIT);
}
//Check if we need to quit, if so we enter the exit state.
if(event.type==SDL_QUIT){
setNextState(STATE_EXIT);
}
}
//Nothing to do here
void Menu::logic(){
animation++;
if(animation>10)
animation=-10;
}
void Menu::render(){
applySurface(0,0,menuBackground,screen,NULL);
//Draw the title.
applySurface((SCREEN_WIDTH-title->w)/2,40,title,screen,NULL);
//Draw the menu entries.
for(unsigned int i=0;i<6;i++){
applySurface((SCREEN_WIDTH-entries[i]->w)/2,(SCREEN_HEIGHT-250)/2+64*i+(64-entries[i]->h)/2,entries[i],screen,NULL);
}
//Check if an option is selected/highlighted.
if(highlight>0){
//Draw the '>' sign, which is entry 5.
int x=(SCREEN_WIDTH-entries[highlight-1]->w)/2-(25-abs(animation)/2)-entries[6]->w;
int y=(SCREEN_HEIGHT-250)/2-64+64*highlight+(64-entries[6]->h)/2;
applySurface(x,y,entries[6],screen,NULL);
//Draw the '<' sign, which is entry 6.
x=(SCREEN_WIDTH-entries[highlight-1]->w)/2+entries[highlight-1]->w+(25-abs(animation)/2);
y=(SCREEN_HEIGHT-250)/2-64+64*highlight+(64-entries[7]->h)/2;
applySurface(x,y,entries[7],screen,NULL);
}
}
void Menu::resize(){}
/////////////////////////OPTIONS_MENU//////////////////////////////////
//Some varables for the options.
static bool fullscreen,leveltheme,internet;
static string themeName,languageName;
static int lastLang,lastRes;
static bool useProxy;
static string internetProxy;
static bool restartFlag;
static _res currentRes;
static vector<_res> resolutionList;
Options::Options(){
//Render the title.
SDL_Color black={0,0,0};
title=TTF_RenderUTF8_Blended(fontTitle,_("Settings"),black);
//Load the jump sound, used for sound volume configuration.
jumpSound=Mix_LoadWAV((getDataPath()+"sfx/jump.wav").c_str());
lastJumpSound=0;
//Set some default settings.
fullscreen=getSettings()->getBoolValue("fullscreen");
languageName=getSettings()->getValue("lang");
themeName=processFileName(getSettings()->getValue("theme"));
leveltheme=getSettings()->getBoolValue("leveltheme");
internet=getSettings()->getBoolValue("internet");
internetProxy=getSettings()->getValue("internet-proxy");
useProxy=!internetProxy.empty();
//Set the restartFlag false.
restartFlag=false;
//Now create the gui.
createGUI();
}
Options::~Options(){
//Delete the GUI.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
//Free the title image.
SDL_FreeSurface(title);
//And free the jump sound.
Mix_FreeChunk(jumpSound);
}
void Options::createGUI(){
//Variables for positioning
int x = (SCREEN_WIDTH-540)/2;
int liftY=40; //TODO: This is variable for laziness of maths...
//Create the root element of the GUI.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
GUIObjectRoot=new GUIObject(0,0,SCREEN_WIDTH,SCREEN_HEIGHT,GUIObjectNone);
//Now we create GUIObjects for every option.
GUIObject* obj=new GUIObject(x,150-liftY,240,36,GUIObjectLabel,_("Music"));
GUIObjectRoot->childControls.push_back(obj);
musicSlider=new GUISlider(x+220,150-liftY,256,36,atoi(getSettings()->getValue("music").c_str()),0,128,15);
musicSlider->name="sldMusic";
musicSlider->eventCallback=this;
GUIObjectRoot->childControls.push_back(musicSlider);
obj=new GUIObject(x,190-liftY,240,36,GUIObjectLabel,_("Sound"));
GUIObjectRoot->childControls.push_back(obj);
soundSlider=new GUISlider(x+220,190-liftY,256,36,atoi(getSettings()->getValue("sound").c_str()),0,128,15);
soundSlider->name="sldSound";
soundSlider->eventCallback=this;
GUIObjectRoot->childControls.push_back(soundSlider);
obj=new GUIObject(x,230-liftY,240,36,GUIObjectCheckBox,_("Fullscreen"),fullscreen?1:0);
obj->name="chkFullscreen";
obj->eventCallback=this;
GUIObjectRoot->childControls.push_back(obj);
obj=new GUIObject(x,270-liftY,240,36,GUIObjectLabel,_("Resolution"));
obj->name="lstResolution";
GUIObjectRoot->childControls.push_back(obj);
//Create list with many different resolutions
resolutions = new GUISingleLineListBox(x+220,270-liftY,300,36);
resolutions->value=-1;
//Enumerate avaliable 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|SDL_HWSURFACE);
if(modes==NULL || ((intptr_t)modes) == -1){
cout<<"Error: Can't enumerate avaliable 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}
};
for(unsigned int i=0;i<sizeof(predefinedResolutionList)/sizeof(_res);i++){
resolutionList.push_back(predefinedResolutionList[i]);
}
}else{
for(unsigned int i=0;modes[i]!=NULL;i++){
//Check if the resolution is big enough
if(modes[i]->w>=800 && modes[i]->h>=600){
_res res={modes[i]->w, modes[i]->h};
resolutionList.push_back(res);
}
}
reverse(resolutionList.begin(),resolutionList.end());
}
}
//Get current resolution from config file. Thus it can be user defined
currentRes.w=atoi(getSettings()->getValue("width").c_str());
currentRes.h=atoi(getSettings()->getValue("height").c_str());
for (int i=0; i<(int)resolutionList.size();i++){
//Create a string from width and height and then add it to list
ostringstream out;
out << resolutionList[i].w << "x" << resolutionList[i].h;
resolutions->item.push_back(out.str());
//Check if current resolution matches, select it
if (resolutionList[i].w==currentRes.w && resolutionList[i].h==currentRes.h){
resolutions->value=i;
}
}
//Add current resolution if it isn't already in the list
if(resolutions->value==-1){
ostringstream out;
out << currentRes.w << "x" << currentRes.h;
resolutions->item.push_back(out.str());
resolutions->value=resolutions->item.size()-1;
}
lastRes=resolutions->value;
GUIObjectRoot->childControls.push_back(resolutions);
obj=new GUIObject(x,310-liftY,240,36,GUIObjectLabel,_("Language"));
obj->name="lstResolution";
GUIObjectRoot->childControls.push_back(obj);
//Create GUI list with available languages
langs = new GUISingleLineListBox(x+220,310-liftY,300,36);
langs->name="lstLanguages";
/// TRANSLATORS: as detect user's language automatically
langs->item.push_back(_("Auto-Detect"));
langValues.push_back("");
langs->item.push_back("English");
langValues.push_back("en");
//Get a list of every available language
set<tinygettext::Language> languages = dictionaryManager->get_languages();
for (set<tinygettext::Language>::iterator s0 = languages.begin(); s0 != languages.end(); ++s0){
//If language in loop is the same in config file, then select it
if(getSettings()->getValue("lang")==s0->str()){
lastLang=distance(languages.begin(),s0)+2;
}
//Add language in loop to list and listbox
langs->item.push_back(s0->get_name());
langValues.push_back(s0->str());
}
//If Auto or English are selected
if(getSettings()->getValue("lang")==""){
lastLang=0;
}else if(getSettings()->getValue("lang")=="en"){
lastLang=1;
}
langs->value=lastLang;
GUIObjectRoot->childControls.push_back(langs);
obj=new GUIObject(x,350-liftY,240,36,GUIObjectLabel,_("Theme"));
obj->name="theme";
GUIObjectRoot->childControls.push_back(obj);
//Create the theme option gui element.
theme=new GUISingleLineListBox(x+220,350-liftY,300,36);
theme->name="lstTheme";
vector<string> v=enumAllDirs(getUserPath(USER_DATA)+"themes/");
for(vector<string>::iterator i = v.begin(); i != v.end(); ++i){
themeLocations[*i]=getUserPath(USER_DATA)+"themes/"+*i;
}
vector<string> v2=enumAllDirs(getDataPath()+"themes/");
for(vector<string>::iterator i = v2.begin(); i != v2.end(); ++i){
themeLocations[*i]=getDataPath()+"themes/"+*i;
}
v.insert(v.end(), v2.begin(), v2.end());
//Try to find the configured theme so we can display it.
int value=-1;
for(vector<string>::iterator i = v.begin(); i != v.end(); ++i){
if(themeLocations[*i]==themeName) {
value=i-v.begin();
}
}
theme->item=v;
if(value==-1)
value=theme->item.size()-1;
theme->value=value;
//NOTE: We call the event handling method to correctly set the themename.
GUIEventCallback_OnEvent("lstTheme",theme,GUIEventChange);
theme->eventCallback=this;
GUIObjectRoot->childControls.push_back(theme);
obj=new GUIObject(x,390-liftY,240,36,GUIObjectCheckBox,_("Level themes"),leveltheme?1:0);
obj->name="chkLeveltheme";
obj->eventCallback=this;
GUIObjectRoot->childControls.push_back(obj);
obj=new GUIObject(x,430-liftY,240,36,GUIObjectCheckBox,_("Internet"),internet?1:0);
obj->name="chkInternet";
obj->eventCallback=this;
GUIObjectRoot->childControls.push_back(obj);
//new: proxy settings
obj=new GUIObject(x,470-liftY,240,36,GUIObjectLabel,_("Internet proxy"));
obj->name="chkProxy";
obj->eventCallback=this;
GUIObjectRoot->childControls.push_back(obj);
obj=new GUIObject(x+220,470-liftY,300,36,GUIObjectTextBox,internetProxy.c_str());
obj->name="txtProxy";
obj->eventCallback=this;
GUIObjectRoot->childControls.push_back(obj);
//new: key settings
GUIObject* b1=new GUIObject(SCREEN_WIDTH*0.3,SCREEN_HEIGHT-120,-1,36,GUIObjectButton,_("Config Keys"),0,true,true,GUIGravityCenter);
b1->name="cmdKeys";
b1->eventCallback=this;
GUIObjectRoot->childControls.push_back(b1);
//Reset progress settings.
/// TRANSLATORS: Used for button which clear any level progress like unlocked levels and highscores.
GUIObject* b2=new GUIObject(SCREEN_WIDTH*0.7,SCREEN_HEIGHT-120,-1,36,GUIObjectButton,_("Clear Progress"),0,true,true,GUIGravityCenter);
b2->name="cmdReset";
b2->eventCallback=this;
GUIObjectRoot->childControls.push_back(b2);
b1->render(0,0,false);
b2->render(0,0,false);
if(b2->left-b2->gravityX < b1->left+b1->width-b1->gravityX){
b1->smallFont=true;
b1->width=-1;
b2->smallFont=true;
b2->width=-1;
}
b1=new GUIObject(SCREEN_WIDTH*0.3,SCREEN_HEIGHT-60,-1,36,GUIObjectButton,_("Cancel"),0,true,true,GUIGravityCenter);
b1->name="cmdBack";
b1->eventCallback=this;
GUIObjectRoot->childControls.push_back(b1);
b2=new GUIObject(SCREEN_WIDTH*0.7,SCREEN_HEIGHT-60,-1,36,GUIObjectButton,_("Save Changes"),0,true,true,GUIGravityCenter);
b2->name="cmdSave";
b2->eventCallback=this;
GUIObjectRoot->childControls.push_back(b2);
b1->render(0,0,false);
b2->render(0,0,false);
if(b2->left-b2->gravityX < b1->left+b1->width-b1->gravityX){
b1->smallFont=true;
b1->width=-1;
b2->smallFont=true;
b2->width=-1;
}
}
static string convertInt(int i){
stringstream ss;
ss << i;
return ss.str();
}
void Options::GUIEventCallback_OnEvent(std::string name,GUIObject* obj,int eventType){
//Check what type of event it was.
if(eventType==GUIEventClick){
if(name=="cmdBack"){
//TODO: Reset the key changes.
//Reset the music volume.
getMusicManager()->setVolume(atoi(getSettings()->getValue("music").c_str()));
Mix_Volume(-1,atoi(getSettings()->getValue("sound").c_str()));
//And goto the main menu.
setNextState(STATE_MENU);
}else if(name=="cmdSave"){
//Save is pressed thus save
char s[64];
sprintf(s,"%d",soundSlider->value);
getSettings()->setValue("sound",s);
sprintf(s,"%d",musicSlider->value);
getSettings()->setValue("music",s);
getMusicManager()->setEnabled(musicSlider->value>0);
Mix_Volume(-1,soundSlider->value);
getSettings()->setValue("fullscreen",fullscreen?"1":"0");
getSettings()->setValue("leveltheme",leveltheme?"1":"0");
getSettings()->setValue("internet",internet?"1":"0");
getSettings()->setValue("theme",themeName);
if(!useProxy)
internetProxy.clear();
getSettings()->setValue("internet-proxy",internetProxy);
getSettings()->setValue("lang",langValues.at(langs->value));
//Is resolution from the list or is it user defined in config file
if(resolutions->value<(int)resolutionList.size()){
getSettings()->setValue("width",convertInt(resolutionList[resolutions->value].w));
getSettings()->setValue("height",convertInt(resolutionList[resolutions->value].h));
}else{
getSettings()->setValue("width",convertInt(currentRes.w));
getSettings()->setValue("height",convertInt(currentRes.h));
}
//Save the key configuration.
inputMgr.saveConfig();
//Save the settings.
saveSettings();
//Before we return check if some .
if(restartFlag || resolutions->value!=lastRes){
//The resolution changed so we need to recreate the screen.
if(!createScreen()){
//Screen creation failed so set to safe settings.
getSettings()->setValue("fullscreen","0");
getSettings()->setValue("width",convertInt(resolutionList[lastRes].w));
getSettings()->setValue("height",convertInt(resolutionList[lastRes].h));
if(!createScreen()){
//Everything fails so quit.
setNextState(STATE_EXIT);
return;
}
}
//The screen is created, now load the (menu) theme.
if(!loadTheme()){
//Loading the theme failed so quit.
setNextState(STATE_EXIT);
return;
}
}
if(langs->value!=lastLang){
//We set the language.
language=langValues.at(langs->value);
dictionaryManager->set_language(tinygettext::Language::from_name(langValues.at(langs->value)));
getLevelPackManager()->updateLanguage();
//And reload the font.
if(!loadFonts()){
//Loading failed so quit.
setNextState(STATE_EXIT);
return;
}
}
//Now return to the main menu.
setNextState(STATE_MENU);
}else if(name=="cmdKeys"){
inputMgr.showConfig();
}else if(name=="cmdReset"){
if(msgBox(_("Do you really want to reset level progress?"),MsgBoxYesNo,_("Warning"))==MsgBoxYes){
//We delete the progress folder.
#ifdef WIN32
removeDirectory((getUserPath()+"progress").c_str());
createDirectory((getUserPath()+"progress").c_str());
#else
removeDirectory((getUserPath(USER_DATA)+"/progress").c_str());
createDirectory((getUserPath(USER_DATA)+"/progress").c_str());
#endif
}
return;
}else if(name=="chkFullscreen"){
fullscreen=obj->value?true:false;
//Check if fullscreen changed.
if(fullscreen==getSettings()->getBoolValue("fullscreen")){
//We disable the restart message flag.
restartFlag=false;
}else{
//We set the restart message flag.
restartFlag=true;
}
}else if(name=="chkLeveltheme"){
leveltheme=obj->value?true:false;
}else if(name=="chkInternet"){
internet=obj->value?true:false;
}else if(name=="chkProxy"){
useProxy=obj->value?true:false;
}
}
if(name=="lstTheme"){
if(theme!=NULL && theme->value>=0 && theme->value<(int)theme->item.size()){
//Check if the theme is installed in the data path.
if(themeLocations[theme->item[theme->value]].find(getDataPath())!=string::npos){
themeName="%DATA%/themes/"+fileNameFromPath(themeLocations[theme->item[theme->value]]);
}else if(themeLocations[theme->item[theme->value]].find(getUserPath(USER_DATA))!=string::npos){
themeName="%USER%/themes/"+fileNameFromPath(themeLocations[theme->item[theme->value]]);
}else{
themeName=themeLocations[theme->item[theme->value]];
}
}
}else if(name=="txtProxy"){
internetProxy=obj->caption;
//Check if the internetProxy field is empty.
useProxy=!internetProxy.empty();
}else if(name=="sldMusic"){
getMusicManager()->setEnabled(musicSlider->value>0);
getMusicManager()->setVolume(musicSlider->value);
}else if(name=="sldSound"){
Mix_Volume(-1,soundSlider->value);
if(lastJumpSound==0){
Mix_PlayChannel(-1,jumpSound,0);
lastJumpSound=15;
}
}
}
void Options::handleEvents(){
//Check if we need to quit, if so enter the exit state.
if(event.type==SDL_QUIT){
setNextState(STATE_EXIT);
}
//Check if the escape button is pressed, if so go back to the main menu.
if(inputMgr.isKeyUpEvent(INPUTMGR_ESCAPE)){
setNextState(STATE_MENU);
}
}
void Options::logic(){
//Increase the lastJumpSound variable if needed.
if(lastJumpSound!=0){
lastJumpSound--;
}
}
void Options::render(){
//Render the menu background image.
applySurface(0,0,menuBackground,screen,NULL);
//Now render the title.
applySurface((SCREEN_WIDTH-title->w)/2,40-TITLE_FONT_RAISE,title,screen,NULL);
//NOTE: The rendering of the GUI is done in Main.
}
void Options::resize(){
//Recreate the gui to fit the new resolution.
createGUI();
}
/////////////////////////CREDITS_MENU//////////////////////////////////
Credits::Credits(){
//Render the title.
SDL_Color black={0,0,0};
title=TTF_RenderUTF8_Blended(fontTitle,_("Credits"),black);
//Vector that will hold every line of the credits.
vector<string> credits;
//Open the AUTHORS file and read every line.
{
ifstream fin((getDataPath()+"/../AUTHORS").c_str());
if(!fin.is_open()) {
cerr<<"ERROR: Unable to open the AUTHORS file."<<endl;
credits.push_back("ERROR: Unable to open the AUTHORS file.");
credits.push_back("");
}
//Loop the lines of the file.
string line;
while(getline(fin,line)){
credits.push_back(line);
}
}
//Enter a new line between the two files.
credits.push_back("");
//Open the Credits.text file and read every line.
{
ifstream fin((getDataPath()+"/Credits.txt").c_str());
if(!fin.is_open()) {
cerr<<"ERROR: Unable to open the Credits.txt file."<<endl;
credits.push_back("ERROR: Unable to open the Credits.txt file.");
credits.push_back("");
}
//Loop the lines of the file.
string line;
while(getline(fin,line)){
credits.push_back(line);
//NOTE: Some sections point to other credits files.
if(line=="music/") {
vector<string> musicCredits=getMusicManager()->createCredits();
credits.insert(credits.end(),musicCredits.begin(),musicCredits.end());
}
}
}
//Now determine the number of lines and calculate the height of the resulting credits surface.
int lines=credits.size();
int fontHeight=TTF_FontLineSkip(fontText);
creditsText=SDL_CreateRGBSurface(SDL_SWSURFACE,SCREEN_WIDTH,lines*fontHeight,32,0xFF000000,0x00FF0000,0x0000FF00,0x000000FF);
for(int i=0;i<lines;i++){
if(credits[i][0]!='\0'){
SDL_Surface* lineSurf=TTF_RenderUTF8_Blended(fontText,credits[i].c_str(),black);
SDL_SetAlpha(lineSurf,0,0xFF);
SDL_SetAlpha(creditsText,SDL_SRCALPHA,SDL_ALPHA_TRANSPARENT);
applySurface(0,fontHeight*i,lineSurf,creditsText,NULL);
SDL_FreeSurface(lineSurf);
}
}
//Create GUI
createGUI();
}
Credits::~Credits(){
//Delete the GUI.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
//Free images
SDL_FreeSurface(title);
SDL_FreeSurface(creditsText);
}
void Credits::createGUI(){
//Create the root element of the GUI.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
GUIObjectRoot=new GUIObject(0,0,SCREEN_WIDTH,SCREEN_HEIGHT,GUIObjectNone);
GUIObject* obj=new GUIObject(SCREEN_WIDTH*0.5,SCREEN_HEIGHT-60,-1,36,GUIObjectButton,_("Back"),0,true,true,GUIGravityCenter);
obj->name="cmdBack";
obj->eventCallback=this;
GUIObjectRoot->childControls.push_back(obj);
scrollbar=new GUIScrollBar(SCREEN_WIDTH-64-16,128,16,SCREEN_HEIGHT-128-92,1,0,0,creditsText->h/2-(SCREEN_HEIGHT-128-92)/2);
GUIObjectRoot->childControls.push_back(scrollbar);
}
void Credits::GUIEventCallback_OnEvent(std::string name,GUIObject* obj,int eventType){
//Check what type of event it was.
if(eventType==GUIEventClick){
if(name=="cmdBack"){
//And goto the main menu.
setNextState(STATE_MENU);
}
}
}
void Credits::handleEvents(){
//Check if we need to quit, if so enter the exit state.
if(event.type==SDL_QUIT){
setNextState(STATE_EXIT);
}
//Check if the escape button is pressed, if so go back to the main menu.
if(inputMgr.isKeyUpEvent(INPUTMGR_ESCAPE)){
setNextState(STATE_MENU);
}
//Check for scrolling down and up.
if(event.type==SDL_MOUSEBUTTONDOWN && event.button.button==SDL_BUTTON_WHEELDOWN && scrollbar){
if(scrollbar->value<scrollbar->maxValue)
scrollbar->value+=scrollbar->smallChange;
if(scrollbar->value>scrollbar->maxValue)
scrollbar->value=scrollbar->maxValue;
return;
}else if(event.type==SDL_MOUSEBUTTONDOWN && event.button.button==SDL_BUTTON_WHEELUP && scrollbar){
if(scrollbar->value>0)
scrollbar->value-=scrollbar->smallChange;
if(scrollbar->value<0)
scrollbar->value=0;
return;
}
}
void Credits::logic(){
}
void Credits::render(){
//Render the menu background image.
applySurface(0,0,menuBackground,screen,NULL);
//Now render the title.
applySurface((SCREEN_WIDTH-title->w)/2,40-TITLE_FONT_RAISE,title,screen,NULL);
SDL_Rect r;
r.x = 0;
r.y = scrollbar->value*2;
r.w = SCREEN_WIDTH-64-16;
r.h = SCREEN_HEIGHT-128-92;
applySurface(64,128,creditsText,screen,&r);
//SDL_BlitSurface(creditsText,NULL,screen,&r);
//NOTE: The rendering of the GUI is done in Main.
}
void Credits::resize(){
//Recreate the gui to fit the new resolution.
createGUI();
}

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TitleMenu.cpp (25 KB)

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