Re-Volt: /Users/frarees/Desktop/rv1/source/Menu.cpp Source File

00001 
00002 // Menu.CPP
00004 #include "revolt.h"
00005 #include "TypeDefs.h"
00006 #include "text.h"
00007 #include "input.h"
00008 
00009 #include "Menu.h"
00010 #include "MenuData.h"
00011 #include "MenuText.h"
00012 #include "TitleScreen.h"
00013 
00014 void GoFront(void);
00015 extern  void (*Event)(void);
00016 
00017 
00021 //                  MENU
00025 
00027 // MenuInit()
00029 void MenuInit(t_Menu *pMenu, t_Menu *pParentMenu)
00030 {
00031 // Set parent
00032   if ((int)pParentMenu != -1)
00033     pMenu->pParentMenu = pParentMenu;
00034 
00035 // Setup current selected menu item
00036   if (pMenu->iMenuItemStart >= 0)
00037   {
00038     pMenu->pMenuItemCur = pMenu->pMenuItems[pMenu->iMenuItemStart];
00039   }
00040   else
00041   {
00042     if (pMenu->pMenuItemCur == NULL)
00043       pMenu->pMenuItemCur = pMenu->pMenuItems[0];
00044   }
00045 
00046 // Call startup code
00047   if (pMenu->StartUpFunc)
00048     pMenu->StartUpFunc(pMenu);
00049 }
00050 
00051 
00053 // MenuProcess()
00055 t_Menu *MenuProcess(t_Menu *pMenu)
00056 {
00057   int flag;
00058   int index;
00059 
00060 // Call start gameloop code
00061   if (pMenu->StartLoopFunc)
00062   {
00063     flag = pMenu->StartLoopFunc(pMenu);
00064   }
00065 
00066 
00067 // Back
00068   if (Keys[DIK_ESCAPE] && !LastKeys[DIK_ESCAPE])
00069   {
00070     if (pMenu->pParentMenu)
00071     {
00072       pMenu = pMenu->pParentMenu;
00073       MenuInit(pMenu, (t_Menu*)-1);
00074       return pMenu;
00075     }
00076     else
00077     {
00078     // Return to old menu
00079       return NULL;
00080     }
00081   }
00082 
00083 
00084 // Option selection
00085   index = -1;
00086   if (Keys[DIK_UP] && !LastKeys[DIK_UP])
00087     index = 0;
00088   else if (Keys[DIK_DOWN] && !LastKeys[DIK_DOWN])
00089     index = 1;
00090   else if (Keys[DIK_LEFT] && !LastKeys[DIK_LEFT])
00091     index = 2;
00092   else if (Keys[DIK_RIGHT] && !LastKeys[DIK_RIGHT])
00093     index = 3;
00094 
00095   if (index >= 0)
00096   {
00097   // Call function
00098     if (pMenu->pMenuItemCur->Function[index])
00099       pMenu->pMenuItemCur->Function[index](pMenu);
00100 
00101   // Select menu item
00102     if (pMenu->pMenuItemCur->pSelectMenuItem[index])
00103       pMenu->pMenuItemCur = pMenu->pMenuItemCur->pSelectMenuItem[index];
00104   }
00105 
00106 
00107 // Select
00108   if (Keys[DIK_RETURN] && !LastKeys[DIK_RETURN])
00109   {
00110     if (pMenu->pMenuItemCur->pSelectMenu)
00111     {
00112       MenuInit(pMenu->pMenuItemCur->pSelectMenu, pMenu);
00113       pMenu = pMenu->pMenuItemCur->pSelectMenu;
00114       return pMenu;
00115     }
00116   }
00117 
00118 
00119 // Return menu;
00120   return pMenu;
00121 }
00122 
00124 // MenuRender()
00126 void MenuRender(t_Menu *pMenu)
00127 {
00128   t_MenuItem  **pMenuItemList;
00129   t_MenuItem  *pMenuItem;
00130   int     flags;
00131 
00132   pMenuItemList = pMenu->pMenuItems;
00133   while (*pMenuItemList)
00134   {
00135   // Get menu item
00136     pMenuItem = *pMenuItemList;
00137 
00138   // Render
00139     flags = 0;
00140     if (pMenuItem == pMenu->pMenuItemCur)
00141       flags |= MENUITEM_HILIGHT;
00142 
00143     MenuItemRender(pMenuItem, flags);
00144 
00145   // Next
00146     pMenuItemList++;
00147   }
00148 }
00149 
00150 
00154 //                  MENU ITEM
00158 void MenuItemRender(t_MenuItem *pMenuItem, int flags)
00159 {
00160   if (flags & MENUITEM_HILIGHT)
00161     DumpText(pMenuItem->textX,pMenuItem->textY, 12,16, 0x80C0FF, pMenuItem->pText);
00162   else
00163     DumpText(pMenuItem->textX,pMenuItem->textY, 12,16, 0x808080, pMenuItem->pText);
00164 }
00165 
00166 
00167 
00169 //
00171 void DecLightPower(t_Menu* pMenu)
00172 {
00173   gLight[0].power -= 1;
00174 }
00175 
00176 void IncLightPower(t_Menu* pMenu)
00177 {
00178   gLight[0].power += 1;
00179   if (gLight[0].power < 1)
00180     gLight[0].power = 1;
00181 }
00182 
00183 void DecLightStrength(t_Menu* pMenu)
00184 {
00185   gLight[0].strength -= 10;
00186 }
00187 
00188 void IncLightStrength(t_Menu* pMenu)
00189 {
00190   gLight[0].strength += 10;
00191 }
00192