87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
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#include "menu.h"
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int menu(SDL_Renderer* renderer){
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int SCREEN_WIDTH, SCREEN_HEIGHT;
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SDL_GetRendererOutputSize(renderer,&SCREEN_WIDTH,&SCREEN_HEIGHT);
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bool quit = false;
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SDL_Event e;
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Texture txLogo;
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txLogo.setRenderer(&renderer);
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txLogo.loadTexture("textures/title.png");
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int logoVmargin = 40;
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SDL_Rect logo = {(SCREEN_WIDTH/2)-txLogo.getWidth()/2,logoVmargin,txLogo.getWidth(),txLogo.getHeight()};
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int btnSpc = SCREEN_HEIGHT - (logo.y + logo.h);
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int buttonNum = 3;
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SDL_Rect button[buttonNum];
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int btnWidth = SCREEN_WIDTH/3;
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int btnHeight = btnSpc/buttonNum/2;
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int spc = (btnSpc-buttonNum*btnHeight)/(buttonNum+1);
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for(int i = 0; i < buttonNum; i++){
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button[i].x = SCREEN_WIDTH/2-btnWidth/2;
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button[i].y = ((i+1)*spc+i*btnHeight)+SCREEN_HEIGHT-btnSpc;
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button[i].w = btnWidth;
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button[i].h = btnHeight;
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std::cout << "Button " << i+1
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<< " set as -> x: " << button[i].x
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<< " y: " << button[i].y
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<< " w: " << button[i].w
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<< " h: " << button[i].h
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<< std::endl;
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}
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int select = 0;
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bool wait = 0;
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const Uint8* currentKeyStates = SDL_GetKeyboardState(NULL);
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std::cout << std::endl << "Entering main loop..." << std::endl;
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while(!quit){
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while(SDL_PollEvent(&e)!=0){
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if(e.type == SDL_QUIT){
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quit = true;
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}
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}
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SDL_SetRenderDrawColor(renderer,100,200,200,0xFF);
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SDL_RenderClear(renderer);
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int dir = 0;
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if(currentKeyStates[SDL_SCANCODE_UP]) dir--;
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if(currentKeyStates[SDL_SCANCODE_DOWN])dir++;
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if(dir != 0){
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if(!wait) select += dir;
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wait = true;
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}
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else wait = false;
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if(select >= buttonNum) select = 0;
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if(select < 0) select = buttonNum-1;
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txLogo.render(&logo);
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for(int i = 0; i < buttonNum; i++){
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if(static_cast<int>(select) == i){
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SDL_SetRenderDrawColor(renderer,80,80,80,0xFF);
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if(currentKeyStates[SDL_SCANCODE_SPACE]) SDL_SetRenderDrawColor(renderer,200,200,200,0xFF);
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}
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else SDL_SetRenderDrawColor(renderer,128,128,128,0xFF);
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SDL_RenderFillRect(renderer,&button[i]);
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}
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if(currentKeyStates[SDL_SCANCODE_SPACE]){
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if(select == 0) return 1;
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else if(select == 2) break;
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}
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SDL_RenderPresent(renderer);
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}
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return 0;
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}
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