LoftyCAD.h

#pragma once

#include <GL/gl.h>
#include <GL/glu.h>
#include "glaux/glaux.h"
#include <math.h>
#include <stdio.h>
#include "resource.h"
#include "trackbal.h"
#include "objtree.h"
#include "geometry.h"
#include "draw3d.h"
#include "dimensions.h"
#include "registry.h"
#include "triangulate.h"
#include "slicer.h"


// Version
#define LOFTYCAD_VERSION "1.6"
#define LOFTYCAD_BRANCH "(Double Helix)"

// States the app can be in.
typedef enum STATE
{
    STATE_NONE,                 // Default state when orbiting with the trackball, panning or zooming
    STATE_MOVING,               // Moving an object, or the selection
    STATE_DRAGGING_SELECT,      // Dragging out a selection window

    // Starting states are entered when a toolbar button is pressed.
    // In starting states, snapping targets are displayed at the mouse position.
    STATE_STARTING_EDGE,        // Starting to draw (toolbar button pressed, but mouse not yet down)
    STATE_STARTING_RECT,
    STATE_STARTING_HEX,
    STATE_STARTING_CIRCLE,
    STATE_STARTING_BEZIER,
    STATE_STARTING_ARC,
    STATE_STARTING_BEZ_RECT,
    STATE_STARTING_BEZ_CIRCLE,
    STATE_STARTING_EXTRUDE,
    STATE_STARTING_TEXT,
    STATE_STARTING_EXTRUDE_LOCAL,
    STATE_STARTING_SCALE,
    STATE_STARTING_ROTATE,

    STATE_DRAWING_EDGE,         // Actually drawing something (left mouse down and dragging)
    STATE_DRAWING_RECT,         // NOTE: These must be in the same order as the starting states
    STATE_DRAWING_HEX,
    STATE_DRAWING_CIRCLE,
    STATE_DRAWING_BEZIER,
    STATE_DRAWING_ARC,
    STATE_DRAWING_BEZ_RECT,
    STATE_DRAWING_BEZ_CIRCLE,
    STATE_DRAWING_EXTRUDE,
    STATE_DRAWING_TEXT,
    STATE_DRAWING_EXTRUDE_LOCAL,
    STATE_DRAWING_SCALE,
    STATE_DRAWING_ROTATE,

    STATE_MAX,                  // Must be the highest numbered

    // The offset between members of the above two sets of possible states.
    // Calculate this twice (at compile time) and check (at run time) to catch mismatches.
    STATE_DRAWING_OFFSET = STATE_DRAWING_EDGE - STATE_STARTING_EDGE,
    STATE_DRAWING_OFFSET2 = STATE_DRAWING_ROTATE - STATE_STARTING_ROTATE,
} STATE;

typedef enum
{
    BLEND_OPAQUE,               // No blending, objects are opaque.
    BLEND_MULTIPLY,             // Multiply blending (works independent of front-to-back ordering)
    BLEND_ALPHA                 // Alpha blending (note: may be errors, as objects are NOT sorted front-to-back)
} BlendMode;

typedef enum
{
    DIRN_X = 1,                 // Scale in X, Y or Z. Bit field to allow combinations.
    DIRN_Y = 2,
    DIRN_Z = 4
} SCALED;

// Externs
extern HINSTANCE hInst;
extern HACCEL hAccelTable;

extern GLint wWidth, wHeight;
extern int toolbar_bottom;
extern double xTrans, yTrans, zTrans;
extern int zoom_delta;

extern int	left_mouseX, left_mouseY;
extern int	orig_left_mouseX, orig_left_mouseY;
extern int	right_mouseX, right_mouseY;
extern int key_status;
extern BOOL	left_mouse;
extern BOOL	right_mouse;
extern BOOL mouse_moved;

extern HWND hWndPropSheet;
extern HWND hWndToolbar;
extern HWND hWndSlicer;
extern HWND hWndPrintPreview;
extern HWND hWndPrinter;
extern HWND hWndDebug;
extern HWND hWndTree;
extern HWND hWndDims;
extern HWND hWndHelp;
extern HWND hwndStatus;
extern HWND hwndProg;
extern BOOL view_tools;
extern BOOL view_debug;
extern BOOL view_tree;
extern BOOL view_help;
extern BOOL view_rendered;
extern BOOL view_printer;
extern BOOL view_printbed;
extern BOOL view_constr;
extern BOOL view_halo;
extern BOOL view_ortho;
extern BOOL micro_moved;

extern STATE app_state;
extern BOOL construction;
extern ListHead selection;
extern ListHead clipboard;
extern ListHead saved_list;
extern Group object_tree;
extern Group gcode_tree;
extern BOOL drawing_changed;
extern Object *curr_obj;
extern Object *picked_obj;
extern Object *raw_picked_obj;
extern Object* parent_picked;
extern Point picked_point;
extern Point new_point;
extern Point last_point;
extern Plane *picked_plane;
extern Plane *facing_plane;
extern PLANE facing_index;
extern Plane centre_facing_plane;
extern Text *curr_text;
extern Object* curr_path;
extern SCALED scaled_dirn;
extern SCALED scaled;
extern double total_angle;
extern double effective_angle;
extern double eff_sx;
extern double eff_sy;
extern double eff_sz;
extern double halo_rad;
extern BOOL suppress_drawing;
extern double bed_xmin;
extern double bed_ymin;
extern double bed_xmax;
extern double bed_ymax;
extern double layer_height;
extern double print_zmin;
extern double print_zmax;
extern Plane clip_plane;
extern BOOL view_clipped;
extern BOOL draw_on_clip_plane;

extern char curr_filename[];
extern double grid_snap;
extern double tolerance;
extern double snap_tol;
extern int tol_log;
extern int angle_snap;
extern BOOL snapping_to_grid;
extern BOOL snapping_to_angle;
extern double chamfer_rad;
extern double round_rad;
extern double half_size;
extern double default_stepsize;
extern double clip_xoffset, clip_yoffset, clip_zoffset;
extern int generation;
extern int latest_generation;
extern int max_generation;

extern Object *treeview_highlight;

extern Plane plane_XY;
extern Plane plane_XZ;
extern Plane plane_YZ;
extern Plane plane_mXY;
extern Plane plane_mXZ;
extern Plane plane_mYZ;

extern float quat_XY[4];
extern float quat_YZ[4];
extern float quat_XZ[4];
extern float quat_mXY[4];
extern float quat_mYZ[4];
extern float quat_mXZ[4];

extern double bucket_size;
extern int n_buckets;

extern BlendMode view_blend;

#define MAX_MATERIAL 32
extern Material materials[MAX_MATERIAL];

// base of menu ID's for materials
#define ID_MATERIAL_BASE 70000

// ID of status bar window
#define ID_STATUSBAR    99940

// Tab indices in toolbar window (actually a property sheet)
#define TAB_TOOLS       0
#define TAB_SLICER      1
#define TAB_PREVIEW     2
#define TAB_PRINTER     3

// helpful defines
#define MIN(a, b)   ((a) < (b) ? (a) : (b))
#define MAX(a, b)   ((a) > (b) ? (a) : (b))

// Debug stuff

// Debugging defines
#undef DEBUG_FACE_SHADE
#undef DEBUG_DRAW_RECT_NORMAL
#undef DEBUG_POSITION_ZOOM
#undef DEBUG_PICK
#undef DEBUG_LEFT_UP_FACING
#undef DEBUG_LEFT_UP_MODELVIEW
#undef DEBUG_COMMAND_FACING
#undef DEBUG_TOOLBAR_FACING
#undef DEBUG_REVERSE_RECT_FACE
#undef DEBUG_VIEW_LIST_ARC
#define DEBUG_HIGHLIGHTING_ENABLED
#undef DEBUG_WRITE_VOL_MESH
#undef DEBUG_FREELISTS

// Timing defines
#undef TIME_DRAWING


#define BREAK_ON_ASSERT
#ifdef BREAK_ON_ASSERT
#ifdef _DEBUG
#define ASSERT_BREAK  DebugBreak()
#else
#define ASSERT_BREAK
#endif
#else
#define ASSERT_BREAK
#endif

// Where do assert and log messages go
#undef USE_DEBUGSTR_LOG

#ifdef USE_DEBUGSTR_LOG
#define Log(msg)            OutputDebugString(msg);
#define LogShow(msg)        OutputDebugString(msg);
#else
#define Log(msg)            SendDlgItemMessage(hWndDebug, IDC_DEBUG, EM_REPLACESEL, 0, (LPARAM)(msg));
#define LogShow(msg)        \
{                       \
    ShowWindow(hWndDebug, SW_SHOW);                                                     \
    SetWindowPos(hWndDebug, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);             \
    CheckMenuItem(GetSubMenu(GetMenu(auxGetHWND()), 2), ID_VIEW_DEBUGLOG, MF_CHECKED);  \
    view_debug = TRUE;                                                                  \
    SendDlgItemMessage(hWndDebug, IDC_DEBUG, EM_REPLACESEL, 0, (LPARAM)(msg));          \
    SendDlgItemMessage(hWndDebug, IDC_DEBUG, EM_REPLACESEL, 0, (LPARAM)"\r\n");         \
    ASSERT_BREAK;                                                                       \
}
#endif

static char assert_buf[32];
#define ASSERT(exp, msg)    do { if (!(exp)) { _itoa_s(__LINE__, assert_buf, 32, 10); Log(__FILE__); Log(":"); Log(assert_buf); Log(" "); LogShow(msg) } } while(0)

// Quick helper to shoot out an error message and return NULL.
#define ERR_RETURN(str)     { Log(str); Log ("\r\n"); MessageBox(auxGetHWND(), (str), "Error: ", MB_ICONEXCLAMATION); return NULL; }

// Debug externs
extern BOOL debug_view_bbox;
extern BOOL debug_view_normals;
extern BOOL debug_view_viewlist;

// Some forwards
void CALLBACK Position(void);
BOOL is_selected_direct(Object * obj, Object * *prev_in_list);
BOOL is_selected_parent(Object * obj);
BOOL remove_from_selection(Object * obj);
void clear_selection(ListHead * sel_list);

// Visualisation of G-code (gcode.c)
void spaghetti(ZPolyEdge * zedge, double zmin, double zmax);

// Slic3r integration (slicer.c)
BOOL load_slic3r_exe_and_config();
void save_slic3r_exe_and_config();
void save_printer_config();
BOOL find_slic3r_exe_and_config();
void read_slic3r_config(char* key, int dlg_item, char *printer);
BOOL get_slic3r_config_section(char* key, char* preset, char *inifile);
void set_bed_shape(char* printer);
BOOL read_string_and_load_dlgitem(char* sect, char* string, int dlg_item, BOOL checkbox);
BOOL run_slicer(char* slicer_exe, char* cmd_line, char* dir, char* gcode_filename);

// Serial printer connection (printer.c)
HANDLE open_serial_port();
BOOL test_serial_comms(FILE * hp, int baud);
void send_to_serial(char* gcode_file);

// Octoprint (socket) printer connection (printer.c)
void init_comms(void);
void close_comms(void);
BOOL get_octo_version(char* buf, int buflen);
void send_to_octoprint(char* gcode_file, char *destination);

// Help dialog (help.c)
HWND init_help_window(void);
void display_help_window(void);
void display_help(char* key);
void display_help_state(STATE state);
void change_state(STATE new_state);
void display_cursor(STATE new_state);

// Status and progress bar (progress.c)
void show_status(char* heading, char* string);
void set_progress_range(int n);
void set_progress(int n);
void bump_progress(void);
void clear_status_and_progress(void);
int accum_render_count(Group * group);
void start_file_progress(FILE * f, char* header, char* filename);
void step_file_progress(int read);

// Context menu (contextmenu.c)
char *obj_description(Object *obj, char *descr, int descr_len, BOOL verbose);
char* brief_description(Object * obj, char* descr, int descr_len);
void populate_treeview(void);
void CALLBACK right_click(AUX_EVENTREC *event);
void CALLBACK check_file_changed(HWND hWnd);
void update_drawing(void);
void contextmenu(Object *picked_obj, POINT pt);
void load_materials_menu(HMENU hMenu, BOOL show_all_checks, int which_check);
void enable_rendered_view_items(void);

// Edge group, face and volume building (maker.c)
Group* group_connected_edges(Edge * edge);
BOOL is_edge_group(Group * group);
BOOL is_closed_edge_group(Group * group);
void disconnect_edges_in_group(Group * group);
Face* make_face(Group * group, BOOL clear_group, BOOL auto_reverse, BOOL reverse);
void insert_chamfer_round(Point * pt, Face * parent, double size, EDGE edge_type, BOOL restricted);
Volume* make_body_of_revolution(Group * group, BOOL negative);
Volume* make_lofted_volume(Group * group);
Group* make_tubed_group(Group * group);
void remove_tubed_group(Group * group);

// Path related stuff (path.c)
int first_point_index(Edge * edge);
Point* first_point(Edge * e);
int edge_direction(Edge * e, Plane * pl);
void point_direction(Point * p0, Point * p1, Plane * pl);
void project(Plane * ap, Plane * princ, Plane * proj);
double path_total_length(Object * obj);
BOOL path_tangent_to_intersect(Object * obj, Plane * pl, Bbox *ebox, Plane * tangent, double*ret_len);
BOOL path_is_closed(Object* obj);
int path_subdivide(Object* obj, Plane* initial_tangent, Bbox *ebox, double initial_len, Plane** tangents);


// Neighbourhood search and picking (neighbourhood.c)
Object* Pick(GLint x_pick, GLint y_pick, BOOL force_pick);
void Pick_all_in_rect(GLint x_pick, GLint y_pick, GLint width, GLint height);
Object* find_in_neighbourhood(Object * match_obj, Group * tree);

// UI helpers (toolbars.c)
void load_tooltip(HWND hWnd, int button, int toolstring);
void LoadAndDisplayIcon(HWND hWnd, int icon, int button, int toolstring);

// Forwards for window procedures and similar (many in toolbars.c)
int CALLBACK Command(int message, int wParam, int lParam);
int WINAPI help_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI debug_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI font_hook(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI toolbar_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI slicer_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI preview_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI printer_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI dimensions_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI prefs_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI treeview_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI transform_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI materials_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI lofting_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
int WINAPI clip_dialog(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);