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// -*- C++ -*-
/*
* Simple MultimEdia LiTerator(SMELT)
* by Chris Xiong 2015
* Internal header for SDL version
*
* WARNING: This library is in development and interfaces would be very
* unstable.
*
*/
#ifndef SMELT_INTERNAL_H
#define SMELT_INTERNAL_H
#include "../../include/smelt.hpp"
#include "smelt_config.hpp"
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <ctime>
#include <cstdarg>
#include <dirent.h>
#include <unistd.h>
#include <SDL2/SDL.h>
#include <AL/al.h>
#include <AL/alc.h>
#include <AL/alext.h>
#include <ogg/ogg.h>
#include <vorbis/vorbisfile.h>
#ifdef WIN32
#include <windows.h>
#include <intrin.h>
#endif
#define GL_GLEXT_LEGACY 1
#include <GL/gl.h>
#include <GL/glext.h>
#define xstr(s) str(s)
#define str(s) #s
#define SLINE xstr(__LINE__)
#define GL_PROC(ext,fn,call,ret,params) typedef call ret (* _PFN_##fn) params;
#include "glimports.hpp"
#undef GL_PROC
class TOpenGLDevice
{
public:
#define GL_PROC(ext,fn,call,ret,params) _PFN_##fn fn;
#include "glimports.hpp"
#undef GL_PROC
GLenum TextureTarget;
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_EXT_framebuffer_multisample;
bool have_GL_EXT_framebuffer_blit;
};
struct glTexture;
class TRenderTargetList
{
public:
int w,h,ms;
SMTEX tex;
GLuint depth,frame,colorms,sframe,sdepth,scolor;
TRenderTargetList *next;
};
class TTextureList
{
public:
SMTEX tex;
int w,h;
TTextureList *next;
};
class TInputEventList
{
public:
smInpEvent e;
TInputEventList *next;
};
class SMELT_IMPL:public SMELT
{
public:
virtual void smRelease();
virtual bool smInit();
virtual void smFinale();
virtual void smMainLoop();
virtual void smUpdateFunc(smHook func);
virtual void smUpdateFunc(smHandler* h);
virtual void smUnFocFunc(smHook func);
virtual void smUnFocFunc(smHandler* h);
virtual void smFocFunc(smHook func);
virtual void smFocFunc(smHandler* h);
virtual void smQuitFunc(smHook func);
virtual void smQuitFunc(smHandler* h);
virtual void smWinTitle(const char* title);
virtual bool smIsActive();
virtual void smNoSuspend(bool para);
virtual void smVidMode(int resX,int resY,bool _windowed);
virtual void smLogFile(const char* path);
virtual void smLog(const char* format,...);
virtual void smScreenShot(const char* path);
virtual void smSetFPS(int fps);
virtual float smGetFPS();
virtual float smGetDelta();
virtual float smGetTime();
virtual SMSFX smSFXLoad(const char *path);
virtual SMSFX smSFXLoadFromMemory(const char *ptr,DWORD size);
virtual SMCHN smSFXPlay(SMSFX fx,int vol=100,int pan=0,float pitch=1.,bool loop=0);
virtual float smSFXGetLengthf(SMSFX fx);
virtual DWORD smSFXGetLengthd(SMSFX fx);
virtual void smSFXSetLoopPoint(SMSFX fx,DWORD l,DWORD r);
virtual void smSFXFree(SMSFX fx);
virtual void smChannelVol(SMCHN chn,int vol);
virtual void smChannelPan(SMCHN chn,int pan);
virtual void smChannelPitch(SMCHN chn,float pitch);
virtual void smChannelPause(SMCHN chn);
virtual void smChannelResume(SMCHN chn);
virtual void smChannelStop(SMCHN chn);
virtual void smChannelPauseAll();
virtual void smChannelResumeAll();
virtual void smChannelStopAll();
virtual bool smChannelIsPlaying(SMCHN chn);
virtual float smChannelGetPosf(SMCHN chn);
virtual void smChannelSetPosf(SMCHN chn,float pos);
virtual int smChannelGetPosd(SMCHN chn);
virtual void smChannelSetPosd(SMCHN chn,int pos);
virtual void smGetMouse2f(float *x,float *y);
virtual void smSetMouse2f(float x,float y);
virtual void smSetMouseGrab(bool enabled);
virtual int smGetWheel();
virtual bool smIsMouseOver();
virtual int smGetKeyState(int key);
virtual int smGetKey();
virtual bool smGetInpEvent(smInpEvent *e);
virtual bool smRenderBegin2D(bool ztest=0,SMTRG trg=0);
virtual bool smRenderBegin3D(float fov,bool ztest=0,SMTRG trg=0);
virtual bool smRenderEnd();
virtual void sm3DCamera6f2v(float *pos,float *rot);
virtual void sm2DCamera5f3v(float *pos,float *dpos,float *rot);
virtual void smMultViewMatrix(float *mat);
virtual void smClrscr(DWORD color,bool clearcol=true,bool cleardep=true);
virtual void smRenderLinefd(float x1,float y1,float z1,float x2,float y2,float z2,DWORD color);
virtual void smRenderLinefvd(float *p1,float *p2,DWORD color);
virtual void smRenderTriangle(smTriangle *t);
virtual void smRenderQuad(smQuad *q);
virtual smVertex* smGetVertArray();
virtual void smDrawVertArray(int prim,SMTEX texture,int blend,int _primcnt);
virtual void smDrawCustomIndexedVertices(smVertex* vb,WORD* ib,int vbc,int ibc,int blend,SMTEX texture);
virtual SMTRG smTargetCreate(int w,int h,int ms=0);
virtual SMTEX smTargetTexture(SMTRG targ);
virtual void smTargetFree(SMTRG targ);
virtual SMTEX smTextureCreate(int w,int h);
virtual SMTEX smTextureLoad(const char *path);
virtual SMTEX smTextureLoadFromMemory(const char *ptr,DWORD size);
virtual void smTextureFree(SMTEX tex);
virtual void smTextureOpt(int potopt=TPOT_NONPOT,int filter=TFLT_LINEAR);
virtual int smTextureGetWidth(SMTEX tex,bool original=false);
virtual int smTextureGetHeight(SMTEX tex,bool original=false);
virtual DWORD* smTextureLock(SMTEX tex,int l,int t,int w,int h,bool ro=true);
virtual void smTexutreUnlock(SMTEX tex);
//internal routines&variables...
static SMELT_IMPL* getInterface();
void focusChange(bool actif);
void *hwnd;
bool Active;
char curError[256];
bool (*pUpdateFunc)();
bool (*pUnFocFunc)();
bool (*pFocFunc)();
bool (*pQuitFunc)();
smHandler *updateHandler,*unFocHandler,*focHandler,*quitHandler;
const char *Icon;
char winTitle[256];
int scrw,scrh;
int dispw,disph;
bool windowed,vsync;
char logFile[256];
int limfps;
bool hideMouse,noSuspend;
GLuint IndexBufferObject;
TOpenGLDevice *pOpenGLDevice;
smVertex *vertexArray;
smVertex *vertexBuf;
GLushort *indexBuf;
SDL_GLContext glContext;
TRenderTargetList *targets;
TRenderTargetList *curTarget;
TTextureList *textures;
bool tdmode;
int primcnt,primType,primBlend,filtermode;
SMTEX primTex;
bool zbufenabled;
bool checkGLExtension(const char *extlist,const char *ext);
void unloadGLEntryPoints();
bool loadGLEntryPoints();
bool initOGL();
void finiOGL();
bool restOGL();
bool confOGL();
void batchOGL(bool endScene=false);
void configTexture(glTexture *t,int w,int h,DWORD *px,bool compress=true);
void bindTexture(glTexture *t);
bool buildTarget(TRenderTargetList *pTarget,GLuint texid,int w,int h,int ms);
SMTEX buildTexture(int w,int h,DWORD *px);
void setBlend(int blend);
void configProjectionMatrix2D(int w,int h);
void configProjectionMatrix3D(int w,int h,float fov);
void flipSDLSurface(int p,int h,void* px);
DWORD* decodeImage(BYTE *data,const char *fn,DWORD size,int &w,int &h);
void *pOpenALDevice;
bool initOAL();
void finiOAL();
bool mute,lpp;
int scnt;
ALuint src[SRC_MAX];
ALuint getSource();
int posz,lkey;
float posx,posy;
SDL_Keymod keymods;
bool mouseOver,captured;
char keyz[256];
bool keylst[256];
TInputEventList *inpQueue;
void initInput();
void clearQueue();
void buildEvent(int type,int k,int scan,int flags,int x,int y);
bool procSDLEvent(const SDL_Event &e);
int SDLKeyToSMKey(int sdlkey);
float timeDelta,updateFPSDelay,fps,timeS;
DWORD fixDelta,t0;
int fcnt;
DWORD dt;
private:
SMELT_IMPL();
};
extern SMELT_IMPL *pSM;
#endif
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