initial commit

src/main.cpp

@@ -0,0 +1,64 @@
+#define SDL_MAIN_USE_CALLBACKS 1
+
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+#include <cmath>
+#include <algorithm>
+
+#include "globals.hpp"
+#include "math.hpp"
+#include "renderer/camera.hpp"
+#include "renderer/calls.hpp"
+
+static SDL_Window *window = NULL;
+static SDL_Renderer *renderer = NULL;
+
+DeltaVector2 temp1(125, 150), temp2(150, 120), temp3(100, 100);
+DeltaVector2 topleft, bottomright, p;
+
+SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
+{
+    SDL_SetAppMetadata("delta engine game", "0.0", "com.miletici.game");
+
+    if (!SDL_Init(SDL_INIT_VIDEO)) {
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
+        return SDL_APP_FAILURE;
+    }
+
+    if (!SDL_CreateWindowAndRenderer("game", SIMULATED_WIDTH, SIMULATED_HEIGHT, 0, &window, &renderer)) {
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
+        return SDL_APP_FAILURE;
+    }
+    SDL_SetRenderLogicalPresentation(renderer, 640, 480, SDL_LOGICAL_PRESENTATION_LETTERBOX);
+
+    return SDL_APP_CONTINUE;  /* carry on with the program! */
+}
+
+SDL_AppResult SDL_AppEvent(void *appstate, SDL_Event *event)
+{
+    if (event->type == SDL_EVENT_QUIT) {
+        return SDL_APP_SUCCESS;
+    }
+    return SDL_APP_CONTINUE;
+}
+
+SDL_AppResult SDL_AppIterate(void *appstate)
+{
+    const double now = ((double)SDL_GetTicks()) / 1000.0;
+    
+    SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE_FLOAT);
+    SDL_RenderClear(renderer);
+
+    SDL_SetRenderDrawColor(renderer, 255, 0, 255, SDL_ALPHA_OPAQUE);
+    rasterizeTriangle(renderer, temp1, temp2, temp3);
+
+    SDL_RenderPresent(renderer);
+
+    return SDL_APP_CONTINUE;
+}
+
+void SDL_AppQuit(void *appstate, SDL_AppResult result)
+{
+    
+}
+