// scene_test2.c - 最小化场景测试
#include "../Engine/Core/engine.h"
#include "../Engine/Core/logger.h"
#include "../Engine/Window/window.h"
#include "../Engine/Rendering/graphics_device.h"
#include "../Engine/Scene/scene_graph.h"
#include "../Engine/include/engine_api.h"
#include "../Engine/ASM/math_c_fallback.h"

static GraphicsDevice* g_dev = NULL;

static void on_render(Engine* engine) {
    if (!g_dev) return;
    ID3D11DeviceContext* ctx = g_dev->context;
    float clear[4] = {0.2f, 0.3f, 0.5f, 1.0f};
    g_dev->context->lpVtbl->ClearRenderTargetView(g_dev->context, g_dev->render_target, clear);

    D3D11_VIEWPORT vp = {0};
    vp.Width = (float)g_dev->width; vp.Height = (float)g_dev->height;
    vp.MaxDepth = 1.0f;
    ctx->lpVtbl->RSSetViewports(ctx, 1, &vp);
    graphics_device_present(g_dev);
}

static void on_key(Engine* engine, int key) {
    if (key == VK_ESCAPE) engine_request_quit(engine);
}

int WINAPI WinMain(HINSTANCE hI, HINSTANCE hP, LPSTR cmd, int nS) {
    (void)hI;(void)hP;(void)cmd;(void)nS;
    LOG_INFO("=== lity3d Scene Test ===");
    EngineConfig cfg = engine_default_config();
    cfg.app_name = "lity3d Scene Test";
    Engine* engine = engine_create();
    if (!engine_init(engine, &cfg)) return -1;
    g_dev = graphics_device_create();
    if (!graphics_device_init(g_dev, window_get_handle(engine->window), cfg.window_width, cfg.window_height, 1)) return -1;
    LOG_INFO("D3D11 ready");
    Scene scene; scene_init(&scene);
    SceneNode* n1 = scene_create_node(&scene, "A");
    scene_set_position(n1, 1, 0, 0);
    SceneNode* n2 = scene_create_node(&scene, "B");
    scene_set_parent(n2, n1);
    scene_set_position(n2, 0, 2, 0);
    scene_update(&scene);
    LOG_INFO("A world pos: (%.1f,%.1f,%.1f)", scene.nodes[1].world_matrix.m[3][0], scene.nodes[1].world_matrix.m[3][1], scene.nodes[1].world_matrix.m[3][2]);
    LOG_INFO("B world pos: (%.1f,%.1f,%.1f)", scene.nodes[2].world_matrix.m[3][0], scene.nodes[2].world_matrix.m[3][1], scene.nodes[2].world_matrix.m[3][2]);
    engine_set_render_callback(engine, on_render);
    engine_set_key_callback(engine, on_key);
    engine_run(engine);
    graphics_device_destroy(g_dev);
    engine_shutdown(engine);
    return 0;
}