116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
#include <ui.h>
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#include <emu.h>
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#include <SDL.h>
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#include <SDL_ttf.h>
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SDL_Window *sdlWindow;
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SDL_Renderer *sdlRenderer;
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SDL_Texture *sdlTexture;
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SDL_Surface *screen;
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SDL_Window *sdlDebugWindow;
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SDL_Renderer *sdlDebugRenderer;
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SDL_Texture *sdlDebugTexture;
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SDL_Surface *debugScreen;
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static int scale = 4;
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void ui_init(){
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SDL_Init(SDL_INIT_VIDEO);
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printf("SDL INIT\n");
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TTF_Init();
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printf("TTF INIT\n");
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SDL_CreateWindowAndRenderer(SCREEN_WIDTH, SCREEN_HEIGHT, 0, &sdlWindow, &sdlRenderer);
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SDL_CreateWindowAndRenderer(16 * 8 * scale, 32 * 8 * scale, 0, &sdlDebugWindow, &sdlDebugRenderer);
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debugScreen = SDL_CreateRGBSurface(0, (16 * 8 * scale) + (16 * scale),
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(32 * 8 * scale) + (64 * scale), 32,
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0x00FF0000,
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0x0000FF00,
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0x000000FF,
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0xFF000000);
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sdlDebugTexture = SDL_CreateTexture(sdlDebugRenderer,
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SDL_PIXELFORMAT_ARGB8888,
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SDL_TEXTUREACCESS_STREAMING,
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(16 * 8 * scale) + (16 * scale),
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(32 * 8 * scale) + (64 * scale));
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int x, y;
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SDL_GetWindowPosition(sdlWindow, &x, &y);
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SDL_SetWindowPosition(sdlDebugWindow, x+SCREEN_WIDTH, y);
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}
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static unsigned long tile_colors[4] = {0xFFFFFFFF, 0xFFAAAAAA, 0xFF555555, 0xFF000000};
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void display_tile(SDL_Surface *surface, u16 startLocation, u16 tileNum, int x, int y) {
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SDL_Rect rc;
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for(int tileY = 0; tileY < 16; tileY += 2) {
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u8 b1 = bus_read(startLocation+(tileNum * 16) + tileY);
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u8 b2 = bus_read(startLocation+(tileNum * 16) + tileY + 1);
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for (int bit=7; bit >= 0; bit--) {
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u8 hi = !!(b1 & (1 << bit)) << 1;
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u8 lo = !!(b2 & (1 << bit));
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u8 color = hi | lo;
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rc.x = x + ((7 - bit) * scale);
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rc.y = y + (tileY/2 * scale);
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rc.w = scale;
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rc.h = scale;
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SDL_FillRect(surface, &rc, tile_colors[color]);
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}
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}
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}
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void update_debug_window() {
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int xDraw = 0;
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int yDraw = 0;
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int tileNum = 0;
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SDL_Rect rc;
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rc.x = 0;
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rc.y = 0;
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rc.w = debugScreen->w;
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rc.h = debugScreen->h;
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SDL_FillRect(debugScreen, &rc, 0xFF111111);
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u16 addr = 0x8000;
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//384 tiles, 24 x 16
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for(int y = 0; y < 24; y++) {
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for(int x = 0; x < 16; x++) {
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display_tile(debugScreen, addr, tileNum, xDraw + (x * scale), yDraw + (y * scale));
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xDraw += (8 * scale);
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tileNum++;
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}
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yDraw += (8 * scale);
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xDraw = 0;
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}
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SDL_UpdateTexture(sdlDebugTexture, NULL, debugScreen->pixels, debugScreen->pitch);
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SDL_RenderClear(sdlDebugRenderer);
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SDL_RenderCopy(sdlDebugRenderer, sdlDebugTexture, NULL, NULL);
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SDL_RenderPresent(sdlDebugRenderer);
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}
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void ui_update() {
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update_debug_window();
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}
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void ui_handle_events(){
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SDL_Event e;
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while(SDL_PollEvent(&e) > 0) {
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if(e.type == SDL_WINDOWEVENT && e.window.event == SDL_WINDOWEVENT_CLOSE) {
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emu_get_context()->die = true;
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}
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}
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}
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void delay(u32 ms) {
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SDL_Delay(ms);
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}
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u32 get_ticks() {
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return SDL_GetTicks();
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} |