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// -*- C++ -*-
/*
** Haaf's Game Engine 1.8
** Copyright (C) 2003-2007, Relish Games
** hge.relishgames.com
**
** Common core implementation header
*/
#ifndef HGE_IMPL_UNIX_H
#define HGE_IMPL_UNIX_H
#include "unix_compat.h"
#include "hge.h"
#include <stdio.h>
#include <dirent.h>
#include "SDL/SDL.h"
#define GL_GLEXT_LEGACY 1
#include "gl.h"
#ifndef WINGDIAPI
#define WINGDIAPI
#endif
#ifndef APIENTRY
#define APIENTRY
#endif
#ifndef APIENTRYP
#define APIENTRYP APIENTRY *
#endif
#define GL_PROC(ext,fn,call,ret,params) typedef call ret (APIENTRYP _HGE_PFN_##fn) params;
#include "hge_glfuncs.h"
#undef GL_PROC
class COpenGLDevice
{
public:
#define GL_PROC(ext,fn,call,ret,params) _HGE_PFN_##fn fn;
#include "hge_glfuncs.h"
#undef GL_PROC
GLenum TextureTarget; // texture rectangle vs (npot) 2D.
bool have_base_opengl;
bool have_GL_ARB_texture_rectangle;
bool have_GL_ARB_texture_non_power_of_two;
bool have_GL_EXT_framebuffer_object;
bool have_GL_EXT_texture_compression_s3tc;
bool have_GL_ARB_vertex_buffer_object;
bool have_GL_APPLE_ycbcr_422;
};
#define VERTEX_BUFFER_SIZE 4000
struct gltexture; // used internally.
struct CRenderTargetList
{
int width;
int height;
HTEXTURE tex;
GLuint depth;
GLuint frame;
CRenderTargetList* next;
};
struct CTextureList
{
HTEXTURE tex;
int width;
int height;
CTextureList* next;
};
struct CResourceList
{
char filename[_MAX_PATH];
char password[64];
CResourceList* next;
};
struct CStreamList
{
HSTREAM hstream;
void* data;
CStreamList* next;
};
struct CInputEventList
{
hgeInputEvent event;
CInputEventList* next;
};
void DInit();
void DDone();
bool DFrame();
/*
** HGE Interface implementation
*/
class HGE_Impl : public HGE
{
public:
virtual void CALL Release();
virtual bool CALL System_Initiate();
virtual void CALL System_Shutdown();
virtual bool CALL System_Start();
virtual void CALL System_SetStateBool (hgeBoolState state, bool value);
virtual void CALL System_SetStateFunc (hgeFuncState state, hgeCallback value);
virtual void CALL System_SetStateHwnd (hgeHwndState state, HWND value);
virtual void CALL System_SetStateInt (hgeIntState state, int value);
virtual void CALL System_SetStateString(hgeStringState state, const char *value);
virtual bool CALL System_GetStateBool (hgeBoolState );
virtual hgeCallback CALL System_GetStateFunc (hgeFuncState );
virtual HWND CALL System_GetStateHwnd (hgeHwndState );
virtual int CALL System_GetStateInt (hgeIntState );
virtual const char* CALL System_GetStateString(hgeStringState);
virtual const char* CALL System_GetErrorMessage();
virtual void CALL System_Log(const char *format, ...);
virtual bool CALL System_Launch(const char *url);
virtual void CALL System_Snapshot(const char *filename=0);
virtual void* CALL Resource_Load(const char *filename, DWORD *size=0);
virtual void CALL Resource_Free(void *res);
virtual bool CALL Resource_AttachPack(const char *filename, const char *password=0);
virtual void CALL Resource_RemovePack(const char *filename);
virtual void CALL Resource_RemoveAllPacks();
virtual char* CALL Resource_MakePath(const char *filename=0);
virtual char* CALL Resource_EnumFiles(const char *wildcard=0);
virtual char* CALL Resource_EnumFolders(const char *wildcard=0);
virtual void CALL Ini_SetInt(const char *section, const char *name, int value);
virtual int CALL Ini_GetInt(const char *section, const char *name, int def_val);
virtual void CALL Ini_SetFloat(const char *section, const char *name, float value);
virtual float CALL Ini_GetFloat(const char *section, const char *name, float def_val);
virtual void CALL Ini_SetString(const char *section, const char *name, const char *value);
virtual char* CALL Ini_GetString(const char *section, const char *name, const char *def_val);
virtual void CALL Random_Seed(int seed=0);
virtual int CALL Random_Int(int min, int max);
virtual float CALL Random_Float(float min, float max);
virtual float CALL Timer_GetTime();
virtual float CALL Timer_GetDelta();
virtual int CALL Timer_GetFPS();
virtual float CALL Timer_GetFPSf();
virtual HEFFECT CALL Effect_Load(const char *filename, DWORD size=0);
virtual void CALL Effect_Free(HEFFECT eff);
virtual HCHANNEL CALL Effect_Play(HEFFECT eff);
virtual HCHANNEL CALL Effect_PlayEx(HEFFECT eff, int volume=100, int pan=0, float pitch=1.0f, bool loop=false);
virtual HMUSIC CALL Music_Load(const char *filename, DWORD size=0);
virtual void CALL Music_Free(HMUSIC mus);
virtual HCHANNEL CALL Music_Play(HMUSIC mus, bool loop, int volume = 100, int order = 0, int row = 0);
virtual void CALL Music_SetAmplification(HMUSIC music, int ampl);
virtual int CALL Music_GetAmplification(HMUSIC music);
virtual int CALL Music_GetLength(HMUSIC music);
virtual void CALL Music_SetPos(HMUSIC music, int order, int row);
virtual bool CALL Music_GetPos(HMUSIC music, int *order, int *row);
virtual void CALL Music_SetInstrVolume(HMUSIC music, int instr, int volume);
virtual int CALL Music_GetInstrVolume(HMUSIC music, int instr);
virtual void CALL Music_SetChannelVolume(HMUSIC music, int channel, int volume);
virtual int CALL Music_GetChannelVolume(HMUSIC music, int channel);
virtual HSTREAM CALL Stream_Load(const char *filename, DWORD size=0);
virtual void CALL Stream_Free(HSTREAM stream);
virtual HCHANNEL CALL Stream_Play(HSTREAM stream, bool loop, int volume = 100);
virtual void CALL Channel_SetPanning(HCHANNEL chn, int pan);
virtual void CALL Channel_SetVolume(HCHANNEL chn, int volume);
virtual void CALL Channel_SetPitch(HCHANNEL chn, float pitch);
virtual void CALL Channel_Pause(HCHANNEL chn);
virtual void CALL Channel_Resume(HCHANNEL chn);
virtual void CALL Channel_Stop(HCHANNEL chn);
virtual void CALL Channel_PauseAll();
virtual void CALL Channel_ResumeAll();
virtual void CALL Channel_StopAll();
virtual bool CALL Channel_IsPlaying(HCHANNEL chn);
virtual float CALL Channel_GetLength(HCHANNEL chn);
virtual float CALL Channel_GetPos(HCHANNEL chn);
virtual void CALL Channel_SetPos(HCHANNEL chn, float fSeconds);
virtual int CALL Channel_GetPos_BySample(HCHANNEL chn);
virtual void CALL Channel_SetPos_BySample(HCHANNEL chn, int iSample);
virtual void CALL Channel_SlideTo(HCHANNEL channel, float time, int volume, int pan = -101, float pitch = -1);
virtual bool CALL Channel_IsSliding(HCHANNEL channel);
virtual void CALL Input_GetMousePos(float *x, float *y);
virtual void CALL Input_SetMousePos(float x, float y);
virtual int CALL Input_GetMouseWheel();
virtual bool CALL Input_IsMouseOver();
virtual bool CALL Input_KeyDown(int key);
virtual bool CALL Input_KeyUp(int key);
virtual bool CALL Input_GetKeyState(int key);
virtual int CALL Input_GetKeyStateEx(int key);
virtual const char* CALL Input_GetKeyName(int key);
virtual int CALL Input_GetKey();
virtual int CALL Input_GetChar();
virtual bool CALL Input_GetEvent(hgeInputEvent *event);
virtual bool CALL Gfx_BeginScene(HTARGET target=0);
virtual void CALL Gfx_EndScene();
virtual void CALL Gfx_Clear(DWORD color);
virtual void CALL Gfx_RenderLine(float x1, float y1, float x2, float y2, DWORD color=0xFFFFFFFF, float z=0.5f);
virtual void CALL Gfx_RenderTriple(const hgeTriple *triple);
virtual void CALL Gfx_RenderQuad(const hgeQuad *quad);
virtual hgeVertex* CALL Gfx_StartBatch(int prim_type, HTEXTURE tex, int blend, int *max_prim);
virtual void CALL Gfx_FinishBatch(int nprim);
virtual void CALL Gfx_SetClipping(int x=0, int y=0, int w=0, int h=0);
virtual void CALL Gfx_SetTransform(float x=0, float y=0, float dx=0, float dy=0, float rot=0, float hscale=0, float vscale=0);
virtual HTARGET CALL Target_Create(int width, int height, bool zbuffer);
virtual void CALL Target_Free(HTARGET target);
virtual HTEXTURE CALL Target_GetTexture(HTARGET target);
virtual HTEXTURE CALL Texture_Create(int width, int height);
virtual HTEXTURE CALL Texture_Load(const char *filename, DWORD size=0, bool bMipmap=false);
virtual void CALL Texture_Free(HTEXTURE tex);
virtual int CALL Texture_GetWidth(HTEXTURE tex, bool bOriginal=false);
virtual int CALL Texture_GetHeight(HTEXTURE tex, bool bOriginal=false);
virtual DWORD* CALL Texture_Lock(HTEXTURE tex, bool bReadOnly=true, int left=0, int top=0, int width=0, int height=0);
virtual void CALL Texture_Unlock(HTEXTURE tex);
bool CALL HGEEXT_Texture_PushYUV422(HTEXTURE tex, const BYTE *yuv);
//////// Implementation ////////
static HGE_Impl* _Interface_Get();
void _FocusChange(bool bAct);
void _PostError(const char *error);
// ini ...
void _LoadIniFile(const char *fname);
const char* _BuildProfilePath(const char *section, const char *name, const char *szIniFile);
bool _WritePrivateProfileString(const char *section, const char *name, const char *buf, const char *szIniFile);
bool _GetPrivateProfileString(const char *section, const char *name, const char *deflt, char *buf, size_t bufsize, const char *szIniFile);
long MacOSXVersion;
HWND hwnd;
bool bActive;
char szError[256];
char szAppPath[_MAX_PATH];
char szIniString[256];
// System States
bool (*procFrameFunc)();
bool (*procRenderFunc)();
bool (*procFocusLostFunc)();
bool (*procFocusGainFunc)();
bool (*procGfxRestoreFunc)();
bool (*procExitFunc)();
const char* szIcon;
char szWinTitle[256];
int nScreenWidth;
int nScreenHeight;
int nOrigScreenWidth;
int nOrigScreenHeight;
int nScreenBPP;
bool bWindowed;
bool bVsync;
bool bZBuffer;
bool bTextureFilter;
char szIniFile[_MAX_PATH];
char szLogFile[_MAX_PATH];
bool bUseSound;
int nSampleRate;
int nFXVolume;
int nMusVolume;
int nStreamVolume;
int nHGEFPS;
bool bHideMouse;
bool bDontSuspend;
HWND hwndParent;
bool bForceTextureCompression;
GLuint IndexBufferObject;
bool _PrimsOutsideClipping(const hgeVertex *v, const int verts);
bool bTransforming;
int clipX;
int clipY;
int clipW;
int clipH;
// #ifdef DEMO
bool bDMO;
// #endif
// Power
int nPowerStatus;
void _InitPowerStatus();
void _UpdatePowerStatus();
void _DonePowerStatus();
// Graphics
COpenGLDevice* pOpenGLDevice; // GL entry points, dynamically loaded.
hgeVertex* pVB; // vertex buffer is a client-side array in the OpenGL renderer.
GLushort* pIB; // index buffer is a client-side array in the OpenGL renderer.
CRenderTargetList* pTargets;
CRenderTargetList* pCurTarget;
//D3DXMATRIX matView;
//D3DXMATRIX matProj;
CTextureList* textures;
hgeVertex* VertArray;
int nPrim;
int CurPrimType;
int CurBlendMode;
HTEXTURE CurTexture;
bool _HaveOpenGLExtension(const char *extlist, const char *ext);
void _UnloadOpenGLEntryPoints();
bool _LoadOpenGLEntryPoints();
bool _GfxInit();
void _GfxDone();
bool _GfxRestore();
void _AdjustWindow();
void _Resize(int width, int height);
bool _init_lost();
void _render_batch(bool bEndScene=false);
void _SetTextureFilter();
void _ConfigureTexture(gltexture *t, int width, int height, DWORD *pixels);
void _BindTexture(gltexture *t);
bool _BuildTarget(CRenderTargetList *pTarget, GLuint texname, int width, int height, bool zbuffer);
HTEXTURE _BuildTexture(int width, int height, DWORD *pixels);
//int _format_id(D3DFORMAT fmt);
void _SetBlendMode(int blend);
void _SetProjectionMatrix(int width, int height);
int _flipSDLSurface(int pitch, int height, void* image_pixels);
// Audio
void* hBass;
void* hOpenAL;
bool bSilent;
CStreamList* streams;
bool _SoundInit();
void _SoundDone();
void _SetMusVolume(int vol);
void _SetStreamVolume(int vol);
void _SetFXVolume(int vol);
// Input
int VKey;
int Char;
int Zpos;
float Xpos;
float Ypos;
SDLMod keymods;
bool bMouseOver;
bool bCaptured;
char keyz[256];
bool keylast[256];
CInputEventList* queue;
void _UpdateMouse();
void _InputInit();
void _ClearQueue();
void _BuildEvent(int type, int key, int scan, int flags, int x, int y);
bool _ProcessSDLEvent(const SDL_Event &e);
// Resources
char szTmpFilename[_MAX_PATH];
CResourceList* res;
bool _WildcardMatch(const char *str, const char *wildcard);
bool _PrepareFileEnum(const char *wildcard);
char* _DoEnumIteration(const bool wantdir);
DIR* hSearch;
char szSearchDir[_MAX_PATH];
char szSearchWildcard[_MAX_PATH];
char szSearchResult[_MAX_PATH];
// Timer
float fTime;
float fDeltaTime;
float fUpdateFPSDelay;
float nFPSf;
DWORD nFixedDelta;
int nFPS;
int Fcnt;
DWORD t0, t0fps, dt;
int cfps;
private:
HGE_Impl();
#if PLATFORM_MACOSX
void _MacMinimizeWindow();
void _MacHideOtherWindows();
void _MacHideWindow();
#endif
};
extern HGE_Impl* pHGE;
#endif // include-once blocker
// end of hg_impl_unix.h ...
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