98 lines
3.6 KiB
C
98 lines
3.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <SDL2/SDL.h>
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#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
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#define Bar_width 400
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#define round(x) ((int)((x) + .5))
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SDL_Texture * Settings_Texture;
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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;
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Slider BS;
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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);
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Initialize_Slider(400,500,Scalar_width,Bar_width,Slider_height,10.0f,20.0f,&BS);
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Initialize_Slider(400,700,Scalar_width,Bar_width,Slider_height,0,1,&BT);
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Settings_Texture = IMG_LoadTexture(renderer, "assets/images/settings_title.png");
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Settings_rect = (SDL_Rect){.x = 800, .y = 130, .w=470, .h=150};
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Settings_Ball_Texture = IMG_LoadTexture(renderer, "assets/images/ball.png");
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Settings_Ball_rect = (SDL_Rect){.x = 1200, .y = 300, .w=100, .h=100};
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Settings_IsInit = true;
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}
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void Settings_Draw(SDL_Renderer * renderer, Scenery * scenery) {
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double x;
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SDL_RenderCopy(renderer, Settings_Texture, NULL, &Settings_rect);
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SDL_RenderCopy(renderer, Settings_Ball_Texture, NULL, &Settings_Ball_rect);
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Draw_Slider(renderer, &BV);
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Draw_Slider(renderer, &BS);
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Draw_Slider(renderer, &BT);
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Draw_Ballstate(renderer, scenery);
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mapping(&x, &BS);
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scenery->ball.Speed = x;
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mapping(&x, &BT);
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x = round(x);
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scenery->ball.TextureIndex = x;
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}
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void Settings_Deinitialize(){
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if (Settings_IsInit) {
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SDL_DestroyTexture(Settings_Texture);
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SDL_DestroyTexture(Settings_Ball_Texture);
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Settings_IsInit = false;
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}
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}
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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;
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Uint32 Mousestate = SDL_GetMouseState(&x, &y);
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if (y <= ((beta->Bar_rect.y) + (beta->Bar_rect.h)) && y >= (beta->Bar_rect.y) && x <= (beta->Bar_rect.w + beta->Bar_rect.x) && x >= (beta->Bar_rect.x) && (Mousestate & SDL_BUTTON(SDL_BUTTON_LEFT))) {
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SDL_RenderFillRect(renderer, &beta->Scalar_rect);
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SDL_RenderDrawRect(renderer, &beta->Scalar_rect);
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if (x > (beta->Bar_rect.x + beta->Bar_rect.w - (beta->Scalar_rect.w) / 2)) {
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beta->Scalar_rect.x = (beta->Bar_rect.x + beta->Bar_rect.w - (beta->Scalar_rect.w));
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beta->Slider_value = (beta->Bar_rect.x + beta->Bar_rect.w - (beta->Scalar_rect.w) / 2);
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} else if (x < beta->Bar_rect.x + (beta->Scalar_rect.w) / 2) {
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beta->Scalar_rect.x = beta->Bar_rect.x;
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beta->Slider_value = beta->Bar_rect.x + (beta->Scalar_rect.w) / 2;
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} else {
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beta->Scalar_rect.x = x - (beta->Scalar_rect.w / 2);
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beta->Slider_value = x;
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}
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} else {
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SDL_RenderDrawRect(renderer, &beta->Scalar_rect);
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}
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} /* Draw_Slider */
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void Draw_Ballstate(SDL_Renderer * renderer, Scenery * scenery){
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BALL_Draw(renderer, &(scenery->ball));
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}
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void mapping(double * x, Slider * beta){
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*x = ((beta->max - beta->min) / (beta->Bar_rect.w - (beta->Scalar_rect.w))) * (beta->Slider_value - beta->Bar_rect.x - beta->Scalar_rect.w / 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 };
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beta->Bar_rect = (SDL_Rect) {.x = x, .y = y, .w = bw, .h = h };
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beta->max = max;
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beta->min = min;
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beta->Slider_value = x + beta->Scalar_rect.w / 2;
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}
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