145 lines
4.3 KiB
C++
145 lines
4.3 KiB
C++
#define SDL_MAIN_HANDLED
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#include "application.h"
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#include "input.h"
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#include "resources.h"
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#include <SDL3/SDL.h>
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#include <SDL3/SDL_error.h>
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#include <SDL3/SDL_events.h>
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#include <SDL3/SDL_hints.h>
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#include <SDL3/SDL_init.h>
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#include <SDL3/SDL_keycode.h>
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#include <SDL3/SDL_log.h>
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#include <SDL3/SDL_mouse.h>
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#include <SDL3/SDL_render.h>
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#include <SDL3/SDL_video.h>
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#include <SDL3_ttf/SDL_ttf.h>
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#include <clay/clay.h>
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#include <renderer/clay_renderer_SDL3.h>
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#include <renderer/ui_data.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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constexpr SDL_InitFlags sdlInitFlags = SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIGH_PIXEL_DENSITY;
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SDL_Window *window = nullptr;
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SDL_Renderer *renderer = nullptr;
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int screenWidth = 1920, screenHeight = 1080;
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bool running = true;
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uint64_t clayMemorySize = 0;
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Clay_Arena clayPrimaryArena;
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Clay_SDL3RendererData backendData = {
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nullptr, nullptr, nullptr
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};
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static
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Clay_Dimensions MeasureText(Clay_StringSlice text, Clay_TextElementConfig *config, void *userData) {
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TTF_Font **fonts = (TTF_Font**)userData;
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TTF_Font *font = fonts[config->fontId];
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int width, height;
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TTF_SetFontSize(font, config->fontSize);
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if (!TTF_GetStringSize(font, text.chars, text.length, &width, &height)) {
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SDL_LogError(SDL_LOG_CATEGORY_ERROR, "MeasureText failed to measure text %s", SDL_GetError());
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}
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return (Clay_Dimensions) { (float)width, (float)height };
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}
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static
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void HandleClayErrors(Clay_ErrorData data) {
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SDL_LogError(SDL_LOG_CATEGORY_ERROR, "%s", data.errorText.chars);
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}
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static inline
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void LogOutputResolution() {
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int w, h;
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SDL_GetCurrentRenderOutputSize(renderer, &w, &h);
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SDL_Log("output size: %i, %d", w, h);
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}
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static inline
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void InitSDL() {
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SDL_SetHint(SDL_HINT_RENDER_LINE_METHOD, "3");
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if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS)) {
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SDL_LogError(SDL_LOG_CATEGORY_ERROR, "SDL_Init failed: %s", SDL_GetError());
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exit(1);
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}
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if ((window = SDL_CreateWindow("Window", screenWidth, screenHeight, sdlInitFlags)) == nullptr) {
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SDL_LogError(SDL_LOG_CATEGORY_ERROR, "SDL_CreateWindow failed: %s", SDL_GetError());
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exit(2);
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}
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if ((renderer = SDL_CreateRenderer(window, NULL)) == nullptr) {
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SDL_LogError(SDL_LOG_CATEGORY_ERROR, "SDL_CreateRenderer failed: %s", SDL_GetError());
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exit(3);
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}
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if (!TTF_Init()) {
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SDL_LogError(SDL_LOG_CATEGORY_ERROR, "TTF_Init failed: %s", SDL_GetError());
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exit(4);
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}
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if ((resources::textEngine = TTF_CreateRendererTextEngine(renderer)) == nullptr) {
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SDL_LogError(SDL_LOG_CATEGORY_ERROR, "TTF_CreateRendererTextEngine failed: %s", SDL_GetError());
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exit(5);
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}
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}
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static
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void InitClay() {
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clayMemorySize = Clay_MinMemorySize();
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clayPrimaryArena = Clay_CreateArenaWithCapacityAndMemory(clayMemorySize, SDL_malloc(clayMemorySize));
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Clay_Initialize(clayPrimaryArena, { (float)screenWidth, (float)screenHeight }, { HandleClayErrors });
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Clay_SetMeasureTextFunction(MeasureText, resources::fonts);
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Clay_SetLayoutDimensions({ (float)screenWidth, (float)screenHeight });
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float x{ 0 }, y{ 0 };
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SDL_GetMouseState(&x, &y);
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Clay_SetPointerState((Clay_Vector2) { x, y }, false);
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}
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int main(int argc, char *argv[]) {
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InitSDL();
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resources::LoadResources();
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LogOutputResolution();
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InitClay();
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backendData = { renderer, resources::textEngine, resources::fonts };
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SDL_Event event;
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uint64_t startFrameTime = SDL_GetTicksNS();
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double deltaTime = 0.0;
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while (running) {
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std::srand(SDL_GetTicksNS());
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deltaTime = SDL_GetTicksNS() - startFrameTime;
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startFrameTime = SDL_GetTicksNS();
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UiData_Clear();
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input::FrameStart();
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while (SDL_PollEvent(&event)) {
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application::HandleEvent(event);
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input::HandleEvent(event);
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switch (event.type) {
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case SDL_EVENT_QUIT:
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running = false;
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break;
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case SDL_EVENT_WINDOW_RESIZED:
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Clay_SetLayoutDimensions({
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(float)event.window.data1,
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(float)event.window.data2
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});
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LogOutputResolution();
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break;
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default: break;
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}
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}
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Clay_UpdateScrollContainers(true, input::scrollMotion, deltaTime);
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SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
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SDL_RenderClear(renderer);
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Clay_RenderCommandArray commands{ application::RenderApplication() };
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SDL_Clay_RenderClayCommands(&backendData, &commands);
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SDL_RenderPresent(renderer);
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SDL_Delay(10);
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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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