winmain.cpp

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/**************************************************
WinMain.cpp
Chapter 16 Master Spell List Editor

Programming Role-Playing Games with DirectX
by Jim Adams (01 Jan 2002)
**************************************************/

#include <windows.h>
#include <stdio.h>
#include "resource.h"

#include "MSL.h"

// Application variables ////////////////////////////////////////////
HWND g_hWnd;                   // Window handle
char g_szClass[] = "MSLEDIT";  // Class name

OPENFILENAME g_ofn;            // Open/Save dialog data
char g_MSLFile[MAX_PATH];      // Filename for spell file

sSpell g_Spells[64];           // Spell list
long   g_EditSpell;            // Spell to modify

// Application prototypes ///////////////////////////////////////////
int  PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int nCmdShow);
long FAR PASCAL WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
BOOL CALLBACK ModifyDialogProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);

BOOL UpdateEntry(HWND hWnd, long SpellNum);
BOOL LoadSpells(char *Filename);
BOOL NewMSL();
BOOL LoadMSL();
BOOL SaveMSL();

// Application //////////////////////////////////////////////////////
int PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int nCmdShow)
{
  WNDCLASS wc;
  MSG      Msg;

  // Register window class
  wc.style         = CS_HREDRAW | CS_VREDRAW;
  wc.lpfnWndProc   = WindowProc;
  wc.cbClsExtra    = 0;
  wc.cbWndExtra    = DLGWINDOWEXTRA;
  wc.hInstance     = hInst;
  wc.hIcon         = LoadIcon(hInst, IDI_APPLICATION);
  wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
  wc.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
  wc.lpszMenuName  = NULL;
  wc.lpszClassName = g_szClass;
  RegisterClass(&wc);

  // Create the dialog box window and show it
  g_hWnd = CreateDialog(hInst, MAKEINTRESOURCE(IDD_EDIT), 0, NULL);
  UpdateWindow(g_hWnd);
  ShowWindow(g_hWnd, nCmdShow);

  // Force a load of spells from default.MSL
  LoadSpells("..\\Data\\Default.MSL");

  // Message loop
  while(GetMessage(&Msg, NULL, 0, 0)) {
    TranslateMessage(&Msg);
    DispatchMessage(&Msg);
  }

  // Clean up
  UnregisterClass(g_szClass, hInst);

  return 0;
}

LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
  int Selection;
  char Text[256];

  switch(uMsg) {
    case WM_COMMAND:
      switch(LOWORD(wParam)) {

        // New MSL file
        case IDC_NEW: 
          NewMSL(); 
          break;

        // Load a MSL file
        case IDC_LOAD: 
          LoadMSL();
          break;

        // Save a MSL file
        case IDC_SAVE: 
          SaveMSL();
          break;

        // Clear an entry
        case IDC_CLEAR:
          // See if a spell was selected
          if((Selection = SendMessage(GetDlgItem(g_hWnd, IDC_SPELLS), LB_GETCURSEL, 0, 0)) == LB_ERR)
            break;

          ZeroMemory(&g_Spells[Selection], sizeof(sSpell));

          // Reset spell damage and cure classes
          g_Spells[Selection].DmgClass = -1;
          g_Spells[Selection].CureClass = -1;

          // Reset sounds
          g_Spells[Selection].MeshSound[0] = -1;
          g_Spells[Selection].MeshSound[1] = -1;
          g_Spells[Selection].MeshSound[2] = -1;

          SendMessage(GetDlgItem(g_hWnd, IDC_SPELLS), LB_DELETESTRING, Selection, 0);
          sprintf(Text, "%5lu: %s", Selection, g_Spells[Selection].Name);
          SendMessage(GetDlgItem(g_hWnd, IDC_SPELLS), LB_INSERTSTRING, Selection, (LPARAM)Text);
          break;

        // Edit an entry
        case IDC_SPELLS:
          if(HIWORD(wParam) != LBN_DBLCLK)
            break;
        case IDC_EDIT:
          // See if a spell was selected
          if((Selection = SendMessage(GetDlgItem(g_hWnd, IDC_SPELLS), LB_GETCURSEL, 0, 0)) == LB_ERR)
            break;

          // Set the spel to edit
          g_EditSpell = Selection;

          // Call the modify spell dialog
          DialogBox(NULL, MAKEINTRESOURCE(IDD_MODIFY), hWnd, ModifyDialogProc);

          // Update spell
          SendMessage(GetDlgItem(g_hWnd, IDC_SPELLS), LB_DELETESTRING, Selection, 0);
          sprintf(Text, "%5lu: %s", Selection, g_Spells[Selection].Name);
          SendMessage(GetDlgItem(g_hWnd, IDC_SPELLS), LB_INSERTSTRING, Selection, (LPARAM)Text);
          break;
      }
      break;
    
    case WM_CREATE:
      // Initialize the save/load dialog box info
      ZeroMemory(&g_ofn, sizeof(OPENFILENAME));
      g_ofn.lStructSize = sizeof(OPENFILENAME);
      g_ofn.nMaxFile = MAX_PATH;
      g_ofn.nMaxFileTitle = MAX_PATH;
      g_ofn.Flags = OFN_HIDEREADONLY | OFN_CREATEPROMPT | OFN_OVERWRITEPROMPT;

      // Set default MSL filename
      strcpy(g_MSLFile, "..\\Data\\Default.MSL");

      break;

    case WM_DESTROY:
      PostQuitMessage(0);
      break;

    default: return DefWindowProc(hWnd, uMsg, wParam, lParam);
  }

  return 0;
}

BOOL CALLBACK ModifyDialogProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
  WORD Effects[8] = {
         IDC_HEALTH, IDC_MANA,
         IDC_CURE, IDC_CAUSE, IDC_RAISE, IDC_KILL,
         IDC_DISPEL, IDC_TELEPORT 
       };
  WORD Targets[3] = {
         IDC_SINGLE, IDC_SELF, IDC_AREA
       };
  WORD Positions[18] = {
         IDC_NONE1, IDC_CASTER1, IDC_TOTARGET1, IDC_TOCASTER1, IDC_TARGET1, IDC_SCALE1,
         IDC_NONE2, IDC_CASTER2, IDC_TOTARGET2, IDC_TOCASTER2, IDC_TARGET2, IDC_SCALE2,
         IDC_NONE3, IDC_CASTER3, IDC_TOTARGET3, IDC_TOCASTER3, IDC_TARGET3, IDC_SCALE3,
       };
  WORD Loops[3] = { IDC_LOOP1, IDC_LOOP2, IDC_LOOP3 };
  char Text[32];
  long i;

  switch(uMsg) {
    case WM_INITDIALOG:
      // Return an error if there's no spell to modify
      if(g_EditSpell >= 64) {
        EndDialog(hWnd, FALSE);
        return FALSE;
      }

      // Display spell number
      sprintf(Text, "%lu", g_EditSpell);
      SetWindowText(GetDlgItem(hWnd, IDC_NUM), Text);

      // Display text entries
      SetWindowText(GetDlgItem(hWnd, IDC_NAME), g_Spells[g_EditSpell].Name);
      SetWindowText(GetDlgItem(hWnd, IDC_DESCRIPTION), g_Spells[g_EditSpell].Description);

      // Display numerical entries
      sprintf(Text, "%ld", g_Spells[g_EditSpell].DmgClass);
      SetWindowText(GetDlgItem(hWnd, IDC_DMGCLASS), Text);
      sprintf(Text, "%ld", g_Spells[g_EditSpell].CureClass);
      SetWindowText(GetDlgItem(hWnd, IDC_CURECLASS), Text);

      sprintf(Text, "%lu", g_Spells[g_EditSpell].Cost);
      SetWindowText(GetDlgItem(hWnd, IDC_COST), Text);

      sprintf(Text, "%lf", g_Spells[g_EditSpell].Distance);
      SetWindowText(GetDlgItem(hWnd, IDC_DISTANCE), Text);

      sprintf(Text, "%lu", g_Spells[g_EditSpell].Chance);
      SetWindowText(GetDlgItem(hWnd, IDC_CHANCE), Text);
      sprintf(Text, "%lf", g_Spells[g_EditSpell].Value[0]);
      SetWindowText(GetDlgItem(hWnd, IDC_VALUE1), Text);
      sprintf(Text, "%lf", g_Spells[g_EditSpell].Value[1]);
      SetWindowText(GetDlgItem(hWnd, IDC_VALUE2), Text);
      sprintf(Text, "%lf", g_Spells[g_EditSpell].Value[2]);
      SetWindowText(GetDlgItem(hWnd, IDC_VALUE3), Text);
      sprintf(Text, "%lf", g_Spells[g_EditSpell].Value[3]);
      SetWindowText(GetDlgItem(hWnd, IDC_VALUE4), Text);
      sprintf(Text, "%lf", g_Spells[g_EditSpell].Range);
      SetWindowText(GetDlgItem(hWnd, IDC_RANGE), Text);

      sprintf(Text, "%lu", g_Spells[g_EditSpell].MeshNum[0]);
      SetWindowText(GetDlgItem(hWnd, IDC_MESH1), Text);
      sprintf(Text, "%lf", g_Spells[g_EditSpell].MeshSpeed[0]);
      SetWindowText(GetDlgItem(hWnd, IDC_SPEED1), Text);
      sprintf(Text, "%ld", g_Spells[g_EditSpell].MeshSound[0]);
      SetWindowText(GetDlgItem(hWnd, IDC_SOUND1), Text);

      sprintf(Text, "%lu", g_Spells[g_EditSpell].MeshNum[1]);
      SetWindowText(GetDlgItem(hWnd, IDC_MESH2), Text);
      sprintf(Text, "%lf", g_Spells[g_EditSpell].MeshSpeed[1]);
      SetWindowText(GetDlgItem(hWnd, IDC_SPEED2), Text);
      sprintf(Text, "%ld", g_Spells[g_EditSpell].MeshSound[1]);
      SetWindowText(GetDlgItem(hWnd, IDC_SOUND2), Text);

      sprintf(Text, "%lu", g_Spells[g_EditSpell].MeshNum[2]);
      SetWindowText(GetDlgItem(hWnd, IDC_MESH3), Text);
      sprintf(Text, "%lf", g_Spells[g_EditSpell].MeshSpeed[2]);
      SetWindowText(GetDlgItem(hWnd, IDC_SPEED3), Text);
      sprintf(Text, "%ld", g_Spells[g_EditSpell].MeshSound[2]);
      SetWindowText(GetDlgItem(hWnd, IDC_SOUND3), Text);

      // Display selection entries
      SendMessage(GetDlgItem(hWnd, Effects[g_Spells[g_EditSpell].Effect]), BM_SETCHECK, 1, 0);
      SendMessage(GetDlgItem(hWnd, Targets[g_Spells[g_EditSpell].Target]), BM_SETCHECK, 1, 0);
      SendMessage(GetDlgItem(hWnd, Positions[g_Spells[g_EditSpell].MeshPos[0]]), BM_SETCHECK, 1, 0);
      SendMessage(GetDlgItem(hWnd, Positions[g_Spells[g_EditSpell].MeshPos[1]+6]), BM_SETCHECK, 1, 0);
      SendMessage(GetDlgItem(hWnd, Positions[g_Spells[g_EditSpell].MeshPos[2]+12]), BM_SETCHECK, 1, 0);