76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
#include "screen.h"
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SCREEN_DATA Screen;
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void ScreenInit(int width, int height){
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// Init emulated screen:
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Screen.width=width;
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Screen.height=height;
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int px_width=width/64;
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int px_height=height/32;
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Screen.pixel=(px_width < px_height) ? px_width: px_height;
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Screen.originX=(width-64*Screen.pixel)/2;
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Screen.originY=(height-32*Screen.pixel)/2;
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ScreenClear();
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SetTraceLogLevel(LOG_ERROR); // Disable anoying raylib logs
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InitWindow(width, height, "Chip-8 Emulator");
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SetTargetFPS(500); // Set game to run at 60 frames-per-second
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}
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void ScreenClear() {
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for(int i=0;i<64*32;i++){
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Screen.pixels[i]=0;
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}
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}
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void ScreenUpdate(){
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BeginDrawing();
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ClearBackground(RAYWHITE);
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// DrawText("Congrats! You created your first window!", 190, 200, 20, LIGHTGRAY);
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for(int x=0;x<64;x++){
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for(int y=0;y<32;y++){
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if(Screen.pixels[x+y*64] == 0)
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DrawRectangle(Screen.originX+Screen.pixel*x,Screen.originY+Screen.pixel*y,Screen.pixel,Screen.pixel,BLACK);
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else
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DrawRectangle(Screen.originX+Screen.pixel*x,Screen.originY+Screen.pixel*y,Screen.pixel,Screen.pixel,WHITE);
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}
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}
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EndDrawing();
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}
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char ScreenPixelApply(int x, int y, unsigned char state){
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char flag=0;
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// Toggle pixel if state is on
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if(state){
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if(Screen.pixels[x+y*64]){
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Screen.pixels[x+y*64]=0;
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flag=1;
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}
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else{
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Screen.pixels[x+y*64]=1;
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}
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}
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return flag;
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}
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void ScreenPixelFlip(int x, int y){
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if(Screen.pixels[x+y*64]==0)
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Screen.pixels[x+y*64]=1;
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else
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Screen.pixels[x+y*64]=0;
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}
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void ScreenWH(int *width, int *height){
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*width=64;
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*height=32;
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}
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void ScreenClose(){
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CloseWindow(); // Close window and OpenGL context
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}
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