119 lines
3.0 KiB
C++
119 lines
3.0 KiB
C++
#include "menu.h"
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class Button{
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public:
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Button(int x,int y,int w,int h,SDL_Renderer* render,std::string buttonText);
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void render();
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void hover();
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SDL_Rect getRect();
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private:
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SDL_Rect buttonRect;
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SDL_Rect textRect;
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SDL_Renderer* renderer;
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Texture text;
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bool isHover;
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};
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Button::Button(int x,int y,int w,int h,SDL_Renderer* render,std::string buttonText){
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renderer = render;
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buttonRect = {x,y,w,h};
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isHover = false;
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text.setRenderer(renderer);
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SDL_Color textColor = {0xFF,0xFF,0xFF};
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text.loadFromRendererText(buttonText,textColor);
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textRect = {x+(w/2)-text.getWidth()/2,y+(h/2)-text.getHeight()/2,text.getWidth(),text.getHeight()};
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};
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void Button::render(){
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if(isHover) SDL_SetRenderDrawColor(renderer,80,80,80,0xFF);
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else SDL_SetRenderDrawColor(renderer,128,128,128,0xFF);
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SDL_RenderFillRect(renderer,&buttonRect);
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text.render(&textRect);
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isHover = false;
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};
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void Button::hover(){
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isHover = true;
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};
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SDL_Rect Button::getRect(){
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return buttonRect;
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};
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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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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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Button playBtn(SCREEN_WIDTH/2-btnWidth/2,(1*spc+0*btnHeight)+SCREEN_HEIGHT-btnSpc,btnWidth,btnHeight,renderer,"play");
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Button optionsBtn(SCREEN_WIDTH/2-btnWidth/2,(2*spc+1*btnHeight)+SCREEN_HEIGHT-btnSpc,btnWidth,btnHeight,renderer,"options");
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Button quitBtn(SCREEN_WIDTH/2-btnWidth/2,(3*spc+2*btnHeight)+SCREEN_HEIGHT-btnSpc,btnWidth,btnHeight,renderer,"quit");
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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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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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if(currentKeyStates[SDL_SCANCODE_SPACE]){
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if(select == 0) return 1;
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else if(select == 1) return 0;
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else if(select == 2) break;
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}
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if(select == 0) playBtn.hover();
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else if(select == 1) optionsBtn.hover();
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else quitBtn.hover();
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playBtn.render();
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optionsBtn.render();
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quitBtn.render();
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SDL_RenderPresent(renderer);
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}
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return -1;
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}
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