shuiyu1123
2d56cb3bc9
核心热路径(数学/内存/字符串/性能分析)用MASM汇编(SSE/AVX2) 外围系统(窗口/渲染/ECS/音频/UI/脚本)用C语言 含自研编辑器、VisualScript积木编程、中文渲染(glyph_atlas)
125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
#include "../Engine/Core/engine.h"
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#include "../Engine/Core/logger.h"
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#include "../Engine/Core/timer.h"
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#include "../Engine/Window/window.h"
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#include "../Engine/Rendering/graphics_device.h"
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#include "../Engine/Rendering/shader.h"
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#include "../Engine/Rendering/mesh.h"
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#include "../Engine/Rendering/camera.h"
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#include "../Engine/include/engine_api.h"
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#include "../Engine/ASM/math_c_fallback.h"
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#include <math.h>
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#include <stdio.h>
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static GraphicsDevice* g_dev = NULL;
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static Shader* g_shader = NULL;
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static Mesh* g_cube = NULL;
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static Camera g_camera;
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static float g_angle = 0.0f;
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static void mat4_transpose(const Mat4* in, Mat4* out) {
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for (int i = 0; i < 4; i++)
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for (int j = 0; j < 4; j++)
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out->m[i][j] = in->m[j][i];
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}
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static void on_render(Engine* engine) {
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if (!g_dev || !g_shader || !g_cube) return;
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float w = (float)window_get_width(engine->window);
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float h = (float)window_get_height(engine->window);
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graphics_device_clear(g_dev, 0.15f, 0.15f, 0.2f, 1.0f);
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g_dev->context->lpVtbl->IASetPrimitiveTopology(g_dev->context, D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
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Mat4 model, wvp, wvp_t;
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mat4_rotate_y(g_angle, &model);
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Mat4* view = (Mat4*)camera_get_view(&g_camera);
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Mat4* proj = (Mat4*)camera_get_projection(&g_camera);
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Mat4 vp;
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mat4_multiply(view, proj, &vp);
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mat4_multiply(&model, &vp, &wvp);
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mat4_transpose(&wvp, &wvp_t);
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shader_bind(g_shader, g_dev->context);
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shader_set_matrix(g_shader, g_dev->context, (float*)&wvp_t);
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ID3D11DepthStencilView* dsv = g_dev->depth_stencil;
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g_dev->context->lpVtbl->OMSetRenderTargets(g_dev->context, 1, &g_dev->render_target, dsv);
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D3D11_VIEWPORT vp2 = {0};
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vp2.Width = w; vp2.Height = h; vp2.MaxDepth = 1.0f;
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g_dev->context->lpVtbl->RSSetViewports(g_dev->context, 1, &vp2);
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g_dev->context->lpVtbl->RSSetState(g_dev->context, NULL);
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mesh_draw(g_cube, g_dev->context);
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graphics_device_present(g_dev);
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g_angle += 0.02f;
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}
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static void on_key(Engine* engine, int key) {
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if (key == VK_ESCAPE) engine_request_quit(engine);
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}
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static void on_resize(Engine* engine, int width, int height) {
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if (g_dev && width > 0 && height > 0) {
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graphics_device_resize(g_dev, width, height);
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g_camera.aspect = (float)width / (float)height;
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g_camera.dirty = 1;
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}
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}
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int main(int argc, char* argv[]) {
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(void)argc; (void)argv;
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EngineConfig config = engine_default_config();
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config.app_name = "MiMo Engine - Cube Demo";
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config.vsync = 0;
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config.window_width = 1280;
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config.window_height = 720;
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Engine* engine = engine_create();
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if (!engine_init(engine, &config)) {
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LOG_FATAL("Engine init failed");
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return -1;
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}
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g_dev = graphics_device_create();
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if (!graphics_device_init(g_dev, window_get_handle(engine->window), config.window_width, config.window_height, 0)) {
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LOG_FATAL("D3D11 init failed");
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return -1;
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}
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LOG_INFO("D3D11 device ready");
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g_shader = shader_create();
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if (!shader_compile(g_shader, g_dev->device, NULL, NULL, 0, 0)) {
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LOG_FATAL("Shader compile failed");
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return -1;
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}
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LOG_INFO("Shader compiled");
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g_cube = mesh_create_cube(g_dev->device);
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LOG_INFO("Cube mesh created");
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float aspect = (float)config.window_width / (float)config.window_height;
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g_camera = camera_perspective(1.0472f, aspect, 0.1f, 100.0f);
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g_camera.position = (Vec3){0, 1.5f, -4.0f};
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g_camera.target = (Vec3){0, 0, 0};
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g_camera.dirty = 1;
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engine_set_render_callback(engine, on_render);
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engine_set_key_callback(engine, on_key);
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engine_set_resize_callback(engine, on_resize);
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LOG_INFO("Running cube demo...");
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engine_run(engine);
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mesh_destroy(g_cube);
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shader_destroy(g_shader);
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graphics_device_destroy(g_dev);
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engine_shutdown(engine);
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return 0;
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}
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