menuitem.cpp
资源名称:hge181.rar [点击查看]
上传用户:jnfxsk
上传日期:2022-06-16
资源大小:3675k
文件大小:4k
源码类别:
游戏引擎
开发平台:
Visual C++
- /*
- ** Haaf's Game Engine 1.7
- ** Copyright (C) 2003-2007, Relish Games
- ** hge.relishgames.com
- **
- ** Tutorial 06 - Creating menus
- */
- // In menuitem.cpp/h we define the
- // behaviour of our custom GUI control
- #include "menuitem.h"
- // This is a GUI control constructor,
- // we should initialize all the variables here
- hgeGUIMenuItem::hgeGUIMenuItem(int _id, hgeFont *_fnt, HEFFECT _snd, float _x, float _y, float _delay, char *_title)
- {
- float w;
- id=_id;
- fnt=_fnt;
- snd=_snd;
- delay=_delay;
- title=_title;
- color.SetHWColor(0xFFFFE060);
- shadow.SetHWColor(0x30000000);
- offset=0.0f;
- timer=-1.0f;
- timer2=-1.0f;
- bStatic=false;
- bVisible=true;
- bEnabled=true;
- w=fnt->GetStringWidth(title);
- rect.Set(_x-w/2, _y, _x+w/2, _y+fnt->GetHeight());
- }
- // This method is called when the control should be rendered
- void hgeGUIMenuItem::Render()
- {
- fnt->SetColor(shadow.GetHWColor());
- fnt->Render(rect.x1+offset+3, rect.y1+3, HGETEXT_LEFT, title);
- fnt->SetColor(color.GetHWColor());
- fnt->Render(rect.x1-offset, rect.y1-offset, HGETEXT_LEFT, title);
- }
- // This method is called each frame,
- // we should update the animation here
- void hgeGUIMenuItem::Update(float dt)
- {
- if(timer2 != -1.0f)
- {
- timer2+=dt;
- if(timer2 >= delay+0.1f)
- {
- color=scolor2+dcolor2;
- shadow=sshadow+dshadow;
- offset=0.0f;
- timer2=-1.0f;
- }
- else
- {
- if(timer2 < delay) { color=scolor2; shadow=sshadow; }
- else { color=scolor2+dcolor2*(timer2-delay)*10; shadow=sshadow+dshadow*(timer2-delay)*10; }
- }
- }
- else if(timer != -1.0f)
- {
- timer+=dt;
- if(timer >= 0.2f)
- {
- color=scolor+dcolor;
- offset=soffset+doffset;
- timer=-1.0f;
- }
- else
- {
- color=scolor+dcolor*timer*5;
- offset=soffset+doffset*timer*5;
- }
- }
- }
- // This method is called when the GUI
- // is about to appear on the screen
- void hgeGUIMenuItem::Enter()
- {
- hgeColor tcolor2;
- scolor2.SetHWColor(0x00FFE060);
- tcolor2.SetHWColor(0xFFFFE060);
- dcolor2=tcolor2-scolor2;
- sshadow.SetHWColor(0x00000000);
- tcolor2.SetHWColor(0x30000000);
- dshadow=tcolor2-sshadow;
- timer2=0.0f;
- }
- // This method is called when the GUI
- // is about to disappear from the screen
- void hgeGUIMenuItem::Leave()
- {
- hgeColor tcolor2;
- scolor2.SetHWColor(0xFFFFE060);
- tcolor2.SetHWColor(0x00FFE060);
- dcolor2=tcolor2-scolor2;
- sshadow.SetHWColor(0x30000000);
- tcolor2.SetHWColor(0x00000000);
- dshadow=tcolor2-sshadow;
- timer2=0.0f;
- }
- // This method is called to test whether the control
- // have finished it's Enter/Leave animation
- bool hgeGUIMenuItem::IsDone()
- {
- if(timer2==-1.0f) return true;
- else return false;
- }
- // This method is called when the control
- // receives or loses keyboard input focus
- void hgeGUIMenuItem::Focus(bool bFocused)
- {
- hgeColor tcolor;
- if(bFocused)
- {
- hge->Effect_Play(snd);
- scolor.SetHWColor(0xFFFFE060);
- tcolor.SetHWColor(0xFFFFFFFF);
- soffset=0;
- doffset=4;
- }
- else
- {
- scolor.SetHWColor(0xFFFFFFFF);
- tcolor.SetHWColor(0xFFFFE060);
- soffset=4;
- doffset=-4;
- }
- dcolor=tcolor-scolor;
- timer=0.0f;
- }
- // This method is called to notify the control
- // that the mouse cursor has entered or left it's area
- void hgeGUIMenuItem::MouseOver(bool bOver)
- {
- if(bOver) gui->SetFocus(id);
- }
- // This method is called to notify the control
- // that the left mouse button state has changed.
- // If it returns true - the caller will receive
- // the control's ID
- bool hgeGUIMenuItem::MouseLButton(bool bDown)
- {
- if(!bDown)
- {
- offset=4;
- return true;
- }
- else
- {
- hge->Effect_Play(snd);
- offset=0;
- return false;
- }
- }
- // This method is called to notify the
- // control that a key has been clicked.
- // If it returns true - the caller will
- // receive the control's ID
- bool hgeGUIMenuItem::KeyClick(int key, int chr)
- {
- if(key==HGEK_ENTER || key==HGEK_SPACE)
- {
- MouseLButton(true);
- return MouseLButton(false);
- }
- return false;
- }