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menu.c
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menu.c
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/**
* \file menu.c
* \brief Implementação do menu principal
*
* \author João da Silva, Marina Salles, Ricardo Macedo
*/
#include "headers.h"
/**
* Renderiza o menu baseado na seleção
* \param tela Tela onde o menu será renderizado
*/
void gunther_menu(SDL_Surface* screen)
{
int section = TITLE;
while (section != QUIT){
switch(section){
case TITLE:
section = title(screen);
break;
case NEWGAME:
section = newgame(screen);
break;
case LOADGAME:
section = loadgame(screen);
break;
case OPTIONS:
section = options(screen);
break;
case MANUAL:
section = manual(screen,0);
break;
case COMMANDS:
section = manual(screen,COMMANDS);
break;
case CREDITS:
section = credits(screen);
break;
default:
section = QUIT;
}
}
}
/**
* Menu principal
* \param tela Tela onde o menu será renderizado
*/
int title(SDL_Surface *screen)
{
/* utils */
bool quit = false, selected = false;
SDL_Event event;
/* Tela quase pronta */
SDL_Surface *TitleScreen = NULL;
/* Carregadores de imagens */
SDL_Surface *TitleText = NULL;
SDL_Surface *TitleBackground = NULL;
SDL_Surface *Buttons = NULL;
SDL_Surface *Cannon = NULL;
/* Qual botão está selecionado */
int selectedButton = NEWGAME;
/* Para usar para DoubleInfoClip (v. graphics.c) */
/* TITLE faz o papel de botão n+1 (v. headers.h) */
SDL_Rect ButtonsClip[TITLE][2];
SDL_Rect CannonClip[TITLE][2];
TitleScreen = loadBMP("blankFULL.bmp");
TitleText = loadBMP("TitleText.bmp");
TitleBackground = loadBMP("TitleBackground.bmp");
Buttons = loadBMP("TitleButtonsClip.bmp");
Cannon = loadBMP("TitleCannonClip.bmp");
loadDoubleInfoClip("TitleButtons.dclip",ButtonsClip);
loadDoubleInfoClip("TitleCannon.dclip",CannonClip);
/* Inicializa a tela */
applySurface(TitleScreen,TitleBackground);
applySurface(TitleScreen,TitleText);
applySurface(screen,TitleScreen);
applyDoubleInfoClip(screen,Buttons,ButtonsClip,selectedButton);
applyDoubleInfoClip(screen,Cannon,CannonClip,selectedButton);
SDL_Flip(screen);
/* da loop */
while(!selected)
{
while(SDL_PollEvent(&event))
{
if(event.type == SDL_QUIT)
{
quit = true;
selected = true;
break;
}
else if(event.type == SDL_KEYDOWN)
{
switch(event.key.keysym.sym)
{
/* seleciona o botão mod(TITLE) para não selecionar botões inexistentes */
case SDLK_UP:
selectedButton += TITLE-1; /* isso equivale a += 1 mod TITLE */
selectedButton %= TITLE;
break;
case SDLK_DOWN:
++selectedButton;
selectedButton %= TITLE;
break;
case SDLK_RETURN:
selected = true;
break;
case SDLK_ESCAPE:
selected = true;
quit = true;
break;
default:
;
}
}
}
applySurface(screen, TitleScreen);
applyDoubleInfoClip(screen, Buttons, ButtonsClip, selectedButton);
applyDoubleInfoClip(screen, Cannon, CannonClip, selectedButton);
SDL_Flip(screen);
}
/* libera */
safeFreeSurface(Buttons);
safeFreeSurface(Cannon);
safeFreeSurface(TitleText);
safeFreeSurface(TitleBackground);
safeFreeSurface(TitleScreen);
if(quit)
return QUIT;
else
return selectedButton;
}
/**
* Seção "Manual" do menu
* \param tela Tela onde a seção será renderizada
*/
int manual(SDL_Surface *screen, int mode)
{
bool quit = false, quitman = false;
int page, pagenum;
char monsterFile[50];
FILE *F;
SDL_Event event;
SDL_Surface *ManPage = NULL;
SDL_Surface *Monsters[50];
ManPage = loadBMP("ManPage.bmp");
F = fopen("data/monsters.txt","r");
if(F == NULL) return -90;
for(pagenum = 0; fscanf(F," %s",monsterFile) != EOF; pagenum++)
{
Monsters[pagenum] = loadBMP(monsterFile);
}
fclose(F);
page = 0;
while(quitman == false)
{
while(SDL_PollEvent(&event))
{
if(event.type == SDL_QUIT)
{
quit = true;
quitman = true;
break;
}
else if(event.type == SDL_KEYDOWN)
{
switch(event.key.keysym.sym)
{
case SDLK_LEFT:
if(page > 0) page--;
break;
case SDLK_RIGHT:
if(page+1 < pagenum) page++;
break;
case SDLK_RETURN:
quitman = true;
break;
case SDLK_ESCAPE:
quitman = true;
quit = true;
break;
default:
;
}
}
}
applySurface(screen, ManPage);
applySurface(screen, Monsters[page]);
SDL_Flip(screen);
}
safeFreeSurface(ManPage);
for(page = 0; page < pagenum; page++)
{
safeFreeSurface(Monsters[page]);
}
if(quit)
return QUIT;
else
return TITLE;
}
int options(SDL_Surface *screen){return QUIT;}
int intro(SDL_Surface *screen){return QUIT;}
int credits(SDL_Surface *screen){return QUIT;}