breakout/settings.c
2018-01-25 16:49:10 +01:00

128 lines
4.6 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>
#include <stdbool.h>
#include <math.h>
#include "settings.h"
extern float XScale, YScale;
#define Slider_height 100
#define Scalar_width 20
#define Bar_width 400
#define round(x) ((int)((x) + .5))
#define distance(x1,y1,x2,y2) ((int)(sqrt(pow(x2-x1,2)+pow(y2-y1,2))))
SDL_Texture * Settings_Texture;
SDL_Texture * Settings_Ball_Texture;
SDL_Texture * Settings_Skins_Texture;
SDL_Texture * Return_Button_Texture;
SDL_Rect Settings_rect;
SDL_Rect Settings_Ball_rect;
SDL_Rect Settings_Skins_rect;
SDL_Rect Return_Button_rect;
Slider BV;
Slider BS;
Slider BT;
Uint32 Mousestate;
bool Settings_IsInit = false;
void Settings_Initialize (SDL_Renderer* renderer,Scenery* scenery) {
Initialize_Slider(400,300,Scalar_width,Bar_width,Slider_height,1,2,&BV,1.5);
Initialize_Slider(400,500,Scalar_width,Bar_width,Slider_height,30,100,&BS,scenery->ball.TargetRect.w);
Initialize_Slider(400,700,Scalar_width,Bar_width,Slider_height,0,8,&BT,scenery->ball.TextureIndex);
Settings_Texture = IMG_LoadTexture(renderer, "assets/images/settings_title.png");
Settings_rect = (SDL_Rect){.x = 647, .y = 50, .w=626, .h=200};
Settings_Ball_rect = (SDL_Rect){.x = 1200, .y = 700, .w=90, .h=90};
Settings_Skins_Texture = IMG_LoadTexture(renderer, "assets/images/skins_button.png");
Settings_Skins_rect = (SDL_Rect){.x = 50, .y = 710, .w=315, .h=70};
Return_Button_Texture = IMG_LoadTexture(renderer, "assets/images/return_button.png");
Return_Button_rect = (SDL_Rect){.x = 200, .y = 200, .w=75, .h=75};
Settings_IsInit = true;
}
void Settings_Draw(SDL_Renderer * renderer, Scenery * scenery) {
double x;
SDL_RenderCopy(renderer, Settings_Texture, NULL, &Settings_rect);
SDL_RenderCopy(renderer, Return_Button_Texture, NULL, &Return_Button_rect);
SDL_RenderCopy(renderer, Settings_Skins_Texture, NULL, &Settings_Skins_rect);
BALL_DrawTexture(renderer, &Settings_Ball_rect, scenery->ball.TextureIndex);
Settings_Return();
Draw_Slider(renderer, &BV);
Draw_Slider(renderer, &BS);
Draw_Slider(renderer, &BT);
mapping(&x, &BS);
scenery->ball.TargetRect.w = x;
scenery->ball.TargetRect.h = x;
scenery->ball.Size = ((double)x / 2.0f);
mapping(&x, &BT);
x = round(x);
scenery->ball.TextureIndex = x;
}
void Settings_Deinitialize(){
if (Settings_IsInit) {
SDL_DestroyTexture(Settings_Texture);
SDL_DestroyTexture(Settings_Ball_Texture);
Settings_IsInit = false;
}
}
void Draw_Slider(SDL_Renderer * renderer, Slider * beta){
SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
SDL_RenderDrawRect(renderer, &beta->Bar_rect);
int x, y;
Mousestate = SDL_GetMouseState(&x, &y);
x = round((float)x / XScale);
y = round((float)y / YScale);
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))) {
SDL_RenderFillRect(renderer, &beta->Scalar_rect);
SDL_RenderDrawRect(renderer, &beta->Scalar_rect);
if (x > (beta->Bar_rect.x + beta->Bar_rect.w - (beta->Scalar_rect.w) / 2)) {
beta->Scalar_rect.x = (beta->Bar_rect.x + beta->Bar_rect.w - (beta->Scalar_rect.w));
beta->Slider_value = (beta->Bar_rect.x + beta->Bar_rect.w - (beta->Scalar_rect.w) / 2);
} else if (x < beta->Bar_rect.x + (beta->Scalar_rect.w) / 2) {
beta->Scalar_rect.x = beta->Bar_rect.x;
beta->Slider_value = beta->Bar_rect.x + (beta->Scalar_rect.w) / 2;
} else {
beta->Scalar_rect.x = x - (beta->Scalar_rect.w / 2);
beta->Slider_value = x;
}
} else {
SDL_RenderDrawRect(renderer, &beta->Scalar_rect);
}
} /* Draw_Slider */
void mapping(double * x, Slider * beta){
*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;
}
void Initialize_Slider(int x, int y, int sw, int bw, int h, double min, double max, Slider * beta,double defaultvalue){
beta->Scalar_rect = (SDL_Rect) {.x = (defaultvalue-min)/(max-min)*(bw-sw/2)+x, .y = y, .w = sw, .h = h };
beta->Bar_rect = (SDL_Rect) {.x = x, .y = y, .w = bw, .h = h };
beta->max = max;
beta->min = min;
beta->Slider_value = (defaultvalue-min)/(max-min)*(bw-sw/2)+x;
}
void Settings_Return(){
int x,y;
Mousestate=SDL_GetMouseState(&x,&y);
x = round((float)x / XScale);
y = round((float)y / YScale);
if((distance(x,y,237,237)<=37)&&(Mousestate & SDL_BUTTON(SDL_BUTTON_LEFT)))
GAME_ChangeState(MainMenu);
}