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https://github.com/ondra-novak/gates_of_skeldal.git
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trying to debug, additional rewrites
This commit is contained in:
Ondřej Novák
parent
378b5586ab
commit
42f780a729
87 changed files with 1771 additions and 529 deletions
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@ -1,6 +1,8 @@
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/tests/)
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set(testFiles sdl_minimal_test.cpp sdl_surface_test.cpp
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set(testFiles sdl_minimal_test.cpp sdl_surface_test.cpp
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sdl_mouse.cpp
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sdl_update_texture.cpp
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)
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foreach (testFile ${testFiles})
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79
platform/sdl/tests/sdl_mouse.cpp
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79
platform/sdl/tests/sdl_mouse.cpp
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@ -0,0 +1,79 @@
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#include <SDL2/SDL.h>
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#include <iostream>
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int main(int argc, char* argv[]) {
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if (SDL_Init(SDL_INIT_VIDEO) != 0) {
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std::cerr << "SDL_Init Error: " << SDL_GetError() << std::endl;
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return 1;
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}
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SDL_Window* window = SDL_CreateWindow("SDL Mouse Event Example", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 800, 600, SDL_WINDOW_RESIZABLE);
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if (!window) {
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std::cerr << "SDL_CreateWindow Error: " << SDL_GetError() << std::endl;
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SDL_Quit();
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return 1;
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}
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SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
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if (!renderer) {
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std::cerr << "SDL_CreateRenderer Error: " << SDL_GetError() << std::endl;
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SDL_DestroyWindow(window);
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SDL_Quit();
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return 1;
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}
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SDL_Event e;
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bool quit = false;
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int isFullscreen = 0;
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while (!quit) {
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while (SDL_PollEvent(&e)) {
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if (e.type == SDL_QUIT) {
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quit = true;
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} else if (e.type == SDL_MOUSEMOTION) {
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// Získání souřadnic myši
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int mouseX = e.motion.x, mouseY = e.motion.y;
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// Přepočet souřadnic na poměr vůči rozměrům okna
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int windowWidth, windowHeight;
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SDL_GetWindowSize(window, &windowWidth, &windowHeight);
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float normalizedX = (float)mouseX / windowWidth;
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float normalizedY = (float)mouseY / windowHeight;
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std::cout << "Mouse moved to: (" << mouseX << ", " << mouseY << ") -> Normalized: ("
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<< normalizedX << ", " << normalizedY << ")" << std::endl;
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} else if (e.type == SDL_MOUSEBUTTONDOWN || e.type == SDL_MOUSEBUTTONUP) {
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int mouseX = e.button.x, mouseY = e.button.y;
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int button = e.button.button;
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if (e.type == SDL_MOUSEBUTTONDOWN) {
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std::cout << "Mouse button pressed at: (" << mouseX << ", " << mouseY << ") button " << button << std::endl;
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} else {
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std::cout << "Mouse button released at: (" << mouseX << ", " << mouseY << ") button " << button << std::endl;
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}
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} else if (e.type == SDL_MOUSEWHEEL) {
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if (e.wheel.y > 0) {
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std::cout << "Mouse wheel scrolled up." << std::endl;
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} else if (e.wheel.y < 0) {
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std::cout << "Mouse wheel scrolled down." << std::endl;
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}
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} else if (e.type == SDL_KEYDOWN) {
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if (e.key.keysym.sym == SDLK_RETURN && (e.key.keysym.mod & KMOD_ALT)) {
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// Přepnutí mezi fullscreen a oknem
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isFullscreen = !isFullscreen;
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SDL_SetWindowFullscreen(window, isFullscreen ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
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}
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}
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}
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// Renderování a další logika hry
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SDL_RenderClear(renderer);
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SDL_RenderPresent(renderer);
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}
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SDL_DestroyRenderer(renderer);
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SDL_DestroyWindow(window);
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SDL_Quit();
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return 0;
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}
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@ -4,7 +4,7 @@
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#define WIDTH 640
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#define HEIGHT 480
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#define PITCH 1024 // Pro optimalizaci paměti (pitch může být širší než WIDTH)
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int main(int argc, char *argv[]) {
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// Inicializace SDL
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@ -14,14 +14,14 @@ int main(int argc, char *argv[]) {
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}
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// Vytvoření SDL okna
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SDL_Window *window = SDL_CreateWindow("DOS Game Port", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, WIDTH, HEIGHT, 0);
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SDL_Window *window = SDL_CreateWindow("DOS Game Port", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, WIDTH, HEIGHT, SDL_WINDOW_RESIZABLE);
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if (!window) {
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fprintf(stderr, "Chyba při vytváření okna: %s\n", SDL_GetError());
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SDL_Quit();
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return 1;
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}
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// Vytvoření rendereru (pouze pro zobrazení)
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// Vytvoření SDL rendereru
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SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
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if (!renderer) {
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fprintf(stderr, "Chyba při vytváření rendereru: %s\n", SDL_GetError());
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@ -30,9 +30,9 @@ int main(int argc, char *argv[]) {
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return 1;
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}
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// Vytvoření SDL Surface (backbuffer)
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SDL_Texture *texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGB565,SDL_TEXTUREACCESS_STREAMING, WIDTH, HEIGHT);
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if (!texture) {
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// Vytvoření softwarového backbufferu (surface)
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SDL_Surface *backbuffer = SDL_CreateRGBSurfaceWithFormat(0, PITCH, HEIGHT, 16, SDL_PIXELFORMAT_RGB565);
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if (!backbuffer) {
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fprintf(stderr, "Chyba při vytváření surface: %s\n", SDL_GetError());
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SDL_DestroyRenderer(renderer);
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SDL_DestroyWindow(window);
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@ -40,31 +40,56 @@ int main(int argc, char *argv[]) {
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return 1;
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}
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void *raw_pixels;
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int pitch;
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SDL_LockTexture(texture, NULL, &raw_pixels, &pitch);
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// Přímý přístup do paměti surface
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Uint16 *pixels = reinterpret_cast<Uint16 *>(raw_pixels);
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printf("Adresa pixelů: %p, pitch: %d bajtů\n", (void *)pixels, pitch);
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// Software rendering - příklad kreslení do paměti
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for (int y = 0; y < HEIGHT; y++) {
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for (int x = 0; x < WIDTH; x++) {
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Uint16 color = (x ^ y) & 0xFFFF; // Příklad barvy
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pixels[y * (pitch / 2) + x] = color; // Zápis pixelu
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}
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// Vytvoření textury pro zobrazení backbufferu
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SDL_Texture *texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGB565, SDL_TEXTUREACCESS_STREAMING, WIDTH, HEIGHT);
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if (!texture) {
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fprintf(stderr, "Chyba při vytváření textury: %s\n", SDL_GetError());
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SDL_FreeSurface(backbuffer);
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SDL_DestroyRenderer(renderer);
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SDL_DestroyWindow(window);
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SDL_Quit();
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return 1;
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}
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SDL_UnlockTexture(texture);
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// Hlavní smyčka
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int running = 1;
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int frame = 0;
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while (running) {
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frame++;
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SDL_Event event;
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while (SDL_PollEvent(&event)) {
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if (event.type == SDL_QUIT) {
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running = 0;
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}
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}
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SDL_RenderClear(renderer);
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SDL_RenderCopy(renderer, texture, NULL, NULL);
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SDL_RenderPresent(renderer);
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// Přímý přístup do paměti backbufferu
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Uint16 *pixels = (Uint16 *)backbuffer->pixels;
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int pitch = backbuffer->pitch / 2; // Pitch v počtu pixelů (ne bajtů)
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SDL_Delay(3000); // Zobrazení okna na 3 sekundy
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// Software rendering - příklad (čtení a zápis do backbufferu)
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for (int y = 0; y < HEIGHT; y++) {
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for (int x = 0; x < WIDTH; x++) {
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Uint16 color = (x ^ y ^ frame) & 0xFFFF; // Vzor barvy (testovací)
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pixels[y * pitch + x] = color; // Zápis pixelu
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}
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}
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// Kopírování backbufferu do textury
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SDL_UpdateTexture(texture, NULL, backbuffer->pixels, backbuffer->pitch);
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// Vykreslení textury na obrazovku
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SDL_RenderClear(renderer);
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SDL_RenderCopy(renderer, texture, NULL, NULL);
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SDL_RenderPresent(renderer);
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// Zpoždění pro demonstraci (30 FPS)
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SDL_Delay(1000 / 30);
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}
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// Uvolnění zdrojů
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SDL_DestroyTexture(texture);
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SDL_FreeSurface(backbuffer);
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SDL_DestroyRenderer(renderer);
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SDL_DestroyWindow(window);
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SDL_Quit();
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91
platform/sdl/tests/sdl_update_texture.cpp
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91
platform/sdl/tests/sdl_update_texture.cpp
Normal file
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@ -0,0 +1,91 @@
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#include <SDL2/SDL.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define WIDTH 640
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#define HEIGHT 480
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#define PITCH 1024 // Pro optimalizaci paměti (pitch může být širší než WIDTH)
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int main(int argc, char *argv[]) {
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// Inicializace SDL
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if (SDL_Init(SDL_INIT_VIDEO) != 0) {
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fprintf(stderr, "Chyba při inicializaci SDL: %s\n", SDL_GetError());
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return 1;
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}
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// Vytvoření SDL okna
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SDL_Window *window = SDL_CreateWindow("DOS Game Port", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, WIDTH, HEIGHT, SDL_WINDOW_RESIZABLE);
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if (!window) {
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fprintf(stderr, "Chyba při vytváření okna: %s\n", SDL_GetError());
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SDL_Quit();
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return 1;
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}
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// Vytvoření SDL rendereru
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SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
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if (!renderer) {
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fprintf(stderr, "Chyba při vytváření rendereru: %s\n", SDL_GetError());
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SDL_DestroyWindow(window);
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SDL_Quit();
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return 1;
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}
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// Vytvoření textury pro zobrazení backbufferu
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SDL_Texture *texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGB565, SDL_TEXTUREACCESS_STREAMING, WIDTH, HEIGHT);
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if (!texture) {
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fprintf(stderr, "Chyba při vytváření textury: %s\n", SDL_GetError());
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SDL_DestroyRenderer(renderer);
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SDL_DestroyWindow(window);
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SDL_Quit();
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return 1;
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}
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uint16_t *pixels = new uint16_t[HEIGHT*WIDTH];
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int pitch = WIDTH;
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// Hlavní smyčka
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int running = 1;
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int frame = 0;
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while (running) {
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frame++;
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SDL_Event event;
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while (SDL_PollEvent(&event)) {
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if (event.type == SDL_QUIT) {
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running = 0;
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}
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}
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// Přímý přístup do paměti backbufferu
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// Software rendering - příklad (čtení a zápis do backbufferu)
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for (int y = 0; y < HEIGHT; y++) {
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for (int x = 0; x < WIDTH; x++) {
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Uint16 color = (x ^ y ^ frame) & 0xFFFF; // Vzor barvy (testovací)
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pixels[y * pitch + x] = color; // Zápis pixelu
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}
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}
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// Kopírování backbufferu do textury
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SDL_UpdateTexture(texture, NULL, pixels, pitch*2);
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// Vykreslení textury na obrazovku
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SDL_RenderClear(renderer);
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SDL_RenderCopy(renderer, texture, NULL, NULL);
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SDL_RenderPresent(renderer);
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// Zpoždění pro demonstraci (30 FPS)
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SDL_Delay(1000 / 30);
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}
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// Uvolnění zdrojů
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SDL_DestroyTexture(texture);
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SDL_DestroyRenderer(renderer);
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SDL_DestroyWindow(window);
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SDL_Quit();
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delete [] pixels;
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return 0;
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}
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