breakout/settings.c

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#include <stdio.h>
#include <stdlib.h>
#include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>
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#include <stdbool.h>
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#include "settings.h"
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#define Slider_height 100
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#define Scalar_width 20
#define Bar_width 400
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SDL_Texture* Settings_Texture;
SDL_Texture* Settings_Ball_Texture;
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SDL_Rect Settings_rect;
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SDL_Rect Settings_Ball_rect;
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Slider BV;
Slider BS;
Slider BT;
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bool Settings_IsInit=false;
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void Settings_Initialize (SDL_Renderer* renderer) {
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Initialize_Slider(400,300,Scalar_width,Bar_width,Slider_height,1,2,&BV);
Initialize_Slider(400,500,Scalar_width,Bar_width,Slider_height,1,2,&BS);
Initialize_Slider(400,700,Scalar_width,Bar_width,Slider_height,1,2,&BT);
Settings_Texture = IMG_LoadTexture(renderer, "assets/images/settings_title.png");
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Settings_rect = (SDL_Rect){.x = 800, .y = 180, .w=313, .h=100};
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Settings_Ball_Texture = IMG_LoadTexture(renderer, "assets/images/ball.png");
Settings_Ball_rect = (SDL_Rect){.x = 1200, .y = 300, .w=100, .h=100};
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Settings_IsInit = true;
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}
void Settings_Draw (SDL_Renderer* renderer) {
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double x;
SDL_RenderCopy(renderer, Settings_Texture, NULL, &Settings_rect);
SDL_RenderCopy(renderer, Settings_Ball_Texture, NULL, &Settings_Ball_rect);
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Draw_Slider(renderer,&BV);
Draw_Slider(renderer,&BS);
Draw_Slider(renderer,&BT);
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mapping(&x,&BT);
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}
void Settings_Deinitialize(){
if(Settings_IsInit){
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SDL_DestroyTexture(Settings_Texture);
SDL_DestroyTexture(Settings_Ball_Texture);
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Settings_IsInit=false;
}
}
void Draw_Slider(SDL_Renderer* renderer,Slider* beta){
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SDL_SetRenderDrawColor(renderer,255,255,255,255);
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SDL_RenderDrawRect(renderer,&beta->Bar_rect);
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int x,y;
Uint32 Mousestate=SDL_GetMouseState(&x,&y);
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if(y<=((beta->y)+(beta->h))&&y>=(beta->y)&&x<=(beta->bw+beta->x)&&x>=(beta->x)&&(Mousestate & SDL_BUTTON(SDL_BUTTON_LEFT))){
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SDL_RenderFillRect(renderer,&beta->Scalar_rect);
SDL_RenderDrawRect(renderer,&beta->Scalar_rect);
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if(x>(beta->x+beta->bw-(beta->sw)/2)){
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beta->Scalar_rect.x=(beta->x+beta->bw-(beta->sw));
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beta->Slider_value=(beta->x+beta->bw-(beta->sw)/2);
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}
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else if(x<beta->x+(beta->sw)/2){
beta->Scalar_rect.x=beta->x;
beta->Slider_value=beta->x+(beta->sw)/2;
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}
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else{
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beta->Scalar_rect.x=x-(beta->sw/2);
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beta->Slider_value=x;
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}
}
else{
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SDL_RenderDrawRect(renderer,&beta->Scalar_rect);
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}
}
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void mapping(double *x,Slider* beta){
*x=((beta->max-beta->min)/(beta->bw-(beta->sw)))*(beta->Slider_value-beta->x-beta->sw/2)+beta->min;
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}
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void Initialize_Slider(int x,int y,int sw,int bw,int h,double min,double max,Slider* beta){
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beta->Scalar_rect = (SDL_Rect){.x=x,.y=y,.w=sw,.h=h};
beta->Bar_rect = (SDL_Rect){.x=x,.y=y,.w=bw,.h=h};
beta->x=x;
beta->y=y;
beta->sw=sw;
beta->bw=bw;
beta->h=h;
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beta->max=max;
beta->min=min;
beta->Slider_value=x+sw/2;
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}