MiMoEngine ASM: x86-64 MASM汇编+C混合架构游戏引擎

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)

Engine/VisualScript/block_interaction.c

@@ -0,0 +1,137 @@
+// ============================================================================
+// block_interaction.c - 交互系统实现
+// ============================================================================
+
+#include "block_interaction.h"
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <Windows.h>
+
+void interaction_init(BlockInteraction* inter) {
+    memset(inter, 0, sizeof(BlockInteraction));
+}
+
+void interaction_mouse_move(BlockInteraction* inter, BlockWorkspace* ws, int x, int y) {
+    inter->mouse_x = x;
+    inter->mouse_y = y;
+    
+    // 拖拽积木
+    if (inter->dragging_block) {
+        float wx, wy;
+        workspace_screen_to_world(ws, (float)x, (float)y, &wx, &wy);
+        inter->dragging_block->x = wx - inter->drag_offset_x;
+        inter->dragging_block->y = wy - inter->drag_offset_y;
+    }
+    
+    // 平移画布
+    if (inter->panning) {
+        float dx = (x - inter->pan_start_x) / ws->zoom;
+        float dy = (y - inter->pan_start_y) / ws->zoom;
+        ws->view_x = inter->view_start_x - dx;
+        ws->view_y = inter->view_start_y - dy;
+    }
+}
+
+void interaction_mouse_down(BlockInteraction* inter, BlockWorkspace* ws, int button) {
+    inter->mouse_down = 1;
+    inter->mouse_button = button;
+    
+    float wx, wy;
+    workspace_screen_to_world(ws, (float)inter->mouse_x, (float)inter->mouse_y, &wx, &wy);
+    
+    if (button == 0) {  // 左键
+        // 检查是否点击槽位
+        BlockSlot* slot = workspace_find_slot_at(ws, wx, wy);
+        if (slot) {
+            // 开始连接
+            inter->connecting_from = slot;
+            inter->connect_start_x = wx;
+            inter->connect_start_y = wy;
+            return;
+        }
+        
+        // 检查是否点击积木
+        Block* block = workspace_find_block_at(ws, wx, wy);
+        if (block) {
+            inter->dragging_block = block;
+            inter->drag_offset_x = wx - block->x;
+            inter->drag_offset_y = wy - block->y;
+            inter->selected_block = block;
+            ws->selected_block = block;
+            return;
+        }
+        
+        // 点击空白区域: 取消选择
+        inter->selected_block = NULL;
+        ws->selected_block = NULL;
+    }
+    
+    if (button == 1 || button == 2) {  // 右键/中键: 平移
+        inter->panning = 1;
+        inter->pan_start_x = (float)inter->mouse_x;
+        inter->pan_start_y = (float)inter->mouse_y;
+        inter->view_start_x = ws->view_x;
+        inter->view_start_y = ws->view_y;
+    }
+}
+
+void interaction_mouse_up(BlockInteraction* inter, BlockWorkspace* ws, int button) {
+    inter->mouse_down = 0;
+    
+    if (button == 0) {
+        // 结束拖拽积木
+        inter->dragging_block = NULL;
+        
+        // 结束连接
+        if (inter->connecting_from) {
+            float wx, wy;
+            workspace_screen_to_world(ws, (float)inter->mouse_x, (float)inter->mouse_y, &wx, &wy);
+            
+            BlockSlot* target = workspace_find_slot_at(ws, wx, wy);
+            if (target && target != inter->connecting_from) {
+                // 尝试建立连接
+                workspace_add_connection(ws, inter->connecting_from, target);
+            }
+            inter->connecting_from = NULL;
+        }
+    }
+    
+    if (button == 1 || button == 2) {
+        inter->panning = 0;
+    }
+}
+
+void interaction_key_down(BlockInteraction* inter, BlockWorkspace* ws, int key) {
+    inter->key = key;
+    inter->key_pressed = 1;
+    
+    // 删除选中的积木
+    if (key == 46 || key == 8) {  // DELETE 或 BACKSPACE
+        if (inter->selected_block) {
+            workspace_remove_block(ws, inter->selected_block->id);
+            inter->selected_block = NULL;
+            ws->selected_block = NULL;
+        }
+    }
+    
+    // 复制/粘贴 (Ctrl+C / Ctrl+V)
+    if (key == 'C' && (GetAsyncKeyState(VK_CONTROL) & 0x8000)) {
+        // TODO: 复制到剪贴板
+    }
+    if (key == 'V' && (GetAsyncKeyState(VK_CONTROL) & 0x8000)) {
+        // TODO: 从剪贴板粘贴
+    }
+}
+
+void interaction_mouse_wheel(BlockInteraction* inter, BlockWorkspace* ws, int delta) {
+    float zoom_factor = delta > 0 ? 1.1f : 0.9f;
+    ws->zoom *= zoom_factor;
+    if (ws->zoom < 0.25f) ws->zoom = 0.25f;
+    if (ws->zoom > 4.0f) ws->zoom = 4.0f;
+}
+
+void interaction_update(BlockInteraction* inter, BlockWorkspace* ws) {
+    inter->key_pressed = 0;
+    (void)ws;
+}