Plugin API now works correctly. Port old visualization code.

1 files changed, 203 insertions, 11 deletions

diff --git a/visualization/qmpvisualization.cpp b/visualization/qmpvisualization.cpp
index e8bb9fb..2d0b494 100644
--- a/visualization/qmpvisualization.cpp
+++ b/visualization/qmpvisualization.cpp
@@ -1,34 +1,218 @@
 #include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <cmath>
 #include "qmpvisualization.hpp"
 
+const int viewdist=100;
+const int notestretch=100;//length of quarter note
+const int minnotelength=100;
+DWORD chcolors[]={0XFFFF0000,0XFFFF8000,0XFFFFBF00,0XFFFFFF00,
+				  0XFFBFFF00,0XFF80FF00,0XFF00FF00,0XFF00FFBF,
+				  0XFF00FFFF,0XFF333333,0XFF00BFFF,0XFF007FFF,
+				  0XFF0000FF,0XFF7F00FF,0XFFBF00FF,0XFFFF00BF};
+
 void CTestCallBack::callBack(void *callerdata,void *)
 {
-	if(par->c<3)
+	SEventCallBackData* cbd=(SEventCallBackData*)callerdata;
+	switch(cbd->type&0xF0)
 	{
-		SEventCallBackData* cbd=(SEventCallBackData*)callerdata;
-		printf("type %#x p1 %d p2 %d\n",cbd->type,cbd->p1,cbd->p2);
+		case 0x80:
+			par->pushNoteOff(cbd->time,cbd->type&0x0F,cbd->p1);
+		break;
+		case 0x90:
+			par->pushNoteOn(cbd->time,cbd->type&0x0F,cbd->p1,cbd->p2);
+		break;
 	}
 }
+void qmpVisualization::show()
+{
+	sm=smGetInterface(SMELT_APILEVEL);
+	sm->smVidMode(800,600,true);
+	sm->smUpdateFunc(h);
+	sm->smWinTitle("A Stupid Midi Visualization");
+	sm->smSetFPS(FPS_VSYNC);
+	sm->smNoSuspend(true);
+	sm->smInit();
+	sm->smTextureOpt(TPOT_POT,TFLT_LINEAR);
+	chequer=sm->smTextureLoad("chequerboard.png");
+	tdscn=sm->smTargetCreate(800,600);
+	if(!font.loadTTF("/usr/share/fonts/truetype/freefont/FreeMono.ttf",16))
+	printf("W: Font load failed.\n");
+	pos[0]=-0;pos[1]=70;pos[2]=20;
+	rot[0]=0;rot[1]=90;rot[2]=90;ctk=0;
+	rendererTh=new std::thread(&SMELT::smMainLoop,sm);
+}
+void qmpVisualization::close()
+{
+	sm->smFinale();
+	font.releaseTTF();
+	sm->smTextureFree(chequer);
+	sm->smTargetFree(tdscn);
+	sm->smRelease();
+}
+void qmpVisualization::reset()
+{
+	for(unsigned i=0;i<pool.size();++i)delete pool[i];
+	pool.clear();
+	for(int i=0;i<16;++i)for(int j=0;j<128;++j)
+	{
+		while(!pendingt[i][j].empty())pendingt[i][j].pop();
+		while(!pendingv[i][j].empty())pendingv[i][j].pop();
+	}
+}
+bool qmpVisualization::update()
+{
+	smQuad q;
+	for(int i=0;i<4;++i)
+	{q.v[i].col=0xFF999999;q.v[i].z=0;}
+	q.tex=chequer;q.blend=BLEND_ALPHABLEND;
+	q.v[0].x=q.v[3].x=-60;q.v[1].x=q.v[2].x=60;
+	q.v[0].y=q.v[1].y=-60;q.v[2].y=q.v[3].y=60;
+	q.v[0].tx=q.v[3].tx=0;q.v[1].tx=q.v[2].tx=15;
+	q.v[0].ty=q.v[1].ty=0;q.v[2].ty=q.v[3].ty=15;
+	sm->smRenderBegin3D(60,tdscn);
+	sm->sm3DCamera6f2v(pos,rot);
+	sm->smClrscr(0xFF666666);
+	sm->smRenderQuad(&q);
+	if(sm->smGetKeyState(SMK_D))pos[0]+=cos(smMath::deg2rad(rot[2]-90)),pos[1]+=sin(smMath::deg2rad(rot[2]-90));
+	if(sm->smGetKeyState(SMK_A))pos[0]-=cos(smMath::deg2rad(rot[2]-90)),pos[1]-=sin(smMath::deg2rad(rot[2]-90));
+	if(sm->smGetKeyState(SMK_S))pos[0]+=cos(smMath::deg2rad(rot[2])),pos[1]+=sin(smMath::deg2rad(rot[2]));
+	if(sm->smGetKeyState(SMK_W))pos[0]-=cos(smMath::deg2rad(rot[2])),pos[1]-=sin(smMath::deg2rad(rot[2]));
+	if(sm->smGetKeyState(SMK_Q))pos[2]+=1;
+	if(sm->smGetKeyState(SMK_E))pos[2]-=1;
+	if(sm->smGetKeyState(SMK_LBUTTON)==SMKST_HIT)
+	sm->smSetMouseGrab(true),sm->smGetMouse2f(&lastx,&lasty);
+	if(sm->smGetKeyState(SMK_LBUTTON)==SMKST_KEEP)
+	{
+		float x,y;
+		sm->smGetMouse2f(&x,&y);
+		rot[1]-=(y-lasty)*0.01;
+		rot[2]+=(x-lastx)*0.01;
+		while(rot[1]>360)rot[1]-=360;
+		while(rot[1]<0)rot[1]+=360;
+		while(rot[2]>360)rot[2]-=360;
+		while(rot[2]<0)rot[2]+=360;
+	}
+	if(sm->smGetKeyState(SMK_LBUTTON)==SMKST_RELEASE)
+	sm->smSetMouseGrab(false);
+	if(sm->smGetKeyState(SMK_I))rot[1]+=1;
+	if(sm->smGetKeyState(SMK_K))rot[1]-=1;
+	if(sm->smGetKeyState(SMK_L))rot[0]+=1;
+	if(sm->smGetKeyState(SMK_J))rot[0]-=1;
+	if(sm->smGetKeyState(SMK_U))rot[2]+=1;
+	if(sm->smGetKeyState(SMK_O))rot[2]-=1;
+	//printf("pos: %f %f %f\n",pos[0],pos[1],pos[2]);
+	//printf("rot: %f %f %f\n",rot[0],rot[1],rot[2]);
+	double lpt=(double)notestretch/dvs/10.;
+	for(uint32_t i=0;i<pool.size();++i)//need optimisation here
+	{
+		if(fabs((double)pool[i]->tcs-ctk)*lpt<viewdist*2||fabs((double)pool[i]->tce-ctk)*lpt<viewdist*2)
+		{
+			smvec3d a(((double)pool[i]->key-64),pool[i]->ch*-2.,((double)pool[i]->tce-ctk)*lpt);
+			smvec3d b(((double)pool[i]->key-64)+.9,pool[i]->ch*-2.+1.6,((double)pool[i]->tcs-ctk)*lpt);
+			if(((double)pool[i]->tce-pool[i]->tcs)*lpt<minnotelength/100.)a.z=((double)pool[i]->tcs-ctk)*lpt-minnotelength/100.;
+			drawCube(a,b,SETA(chcolors[pool[i]->ch],pool[i]->vel),0);
+		}
+	}
+	//ctk+=(int)(etps*sm->smGetDelta());
+	ctk=api->getCurrentTimeStamp();
+	if(ctk>fintk)return true;
+	sm->smRenderEnd();
+	for(int i=0;i<4;++i){q.v[i].col=0xFFFFFFFF;q.v[i].z=0;}
+	q.tex=sm->smTargetTexture(tdscn);
+	sm->smRenderBegin2D();
+	sm->smClrscr(0xFF000000);
+	q.v[0].tx=q.v[3].tx=0;q.v[1].tx=q.v[2].tx=1;
+	q.v[0].ty=q.v[1].ty=0;q.v[2].ty=q.v[3].ty=1;
+	q.v[0].x=q.v[1].x=0;q.v[2].x=q.v[3].x=800;
+	q.v[0].y=q.v[3].y=0;q.v[1].y=q.v[2].y=600;
+	sm->smRenderQuad(&q);
+	font.updateString(L"FPS: %.2f",sm->smGetFPS());
+	font.render(1,586,0xFFFFFFFF,ALIGN_LEFT);
+	font.render(0,585,0xFF000000,ALIGN_LEFT);
+	sm->smRenderEnd();
+	return false;
+}
+
+void qmpVisualization::drawCube(smvec3d a,smvec3d b,DWORD col,SMTEX tex)
+{
+	smQuad q;q.blend=BLEND_ALPHABLEND;
+	q.tex=tex;for(int i=0;i<4;++i)q.v[i].col=col;
+	//top
+	q.v[0].x=a.x;q.v[0].y=a.y;q.v[0].z=a.z;
+	q.v[1].x=b.x;q.v[1].y=a.y;q.v[1].z=a.z;
+	q.v[2].x=b.x;q.v[2].y=b.y;q.v[2].z=a.z;
+	q.v[3].x=a.x;q.v[3].y=b.y;q.v[3].z=a.z;
+	sm->smRenderQuad(&q);
+	//bottom
+	q.v[0].x=a.x;q.v[0].y=a.y;q.v[0].z=b.z;
+	q.v[1].x=b.x;q.v[1].y=a.y;q.v[1].z=b.z;
+	q.v[2].x=b.x;q.v[2].y=b.y;q.v[2].z=b.z;
+	q.v[3].x=a.x;q.v[3].y=b.y;q.v[3].z=b.z;
+	sm->smRenderQuad(&q);
+	//left
+	q.v[0].x=a.x;q.v[0].y=b.y;q.v[0].z=a.z;
+	q.v[1].x=a.x;q.v[1].y=b.y;q.v[1].z=b.z;
+	q.v[2].x=a.x;q.v[2].y=a.y;q.v[2].z=b.z;
+	q.v[3].x=a.x;q.v[3].y=a.y;q.v[3].z=a.z;
+	sm->smRenderQuad(&q);
+	//right
+	q.v[0].x=b.x;q.v[0].y=b.y;q.v[0].z=a.z;
+	q.v[1].x=b.x;q.v[1].y=b.y;q.v[1].z=b.z;
+	q.v[2].x=b.x;q.v[2].y=a.y;q.v[2].z=b.z;
+	q.v[3].x=b.x;q.v[3].y=a.y;q.v[3].z=a.z;
+	sm->smRenderQuad(&q);
+	//front
+	q.v[0].x=a.x;q.v[0].y=b.y;q.v[0].z=a.z;
+	q.v[1].x=b.x;q.v[1].y=b.y;q.v[1].z=a.z;
+	q.v[2].x=b.x;q.v[2].y=b.y;q.v[2].z=b.z;
+	q.v[3].x=a.x;q.v[3].y=b.y;q.v[3].z=b.z;
+	sm->smRenderQuad(&q);
+	//back
+	q.v[0].x=a.x;q.v[0].y=a.y;q.v[0].z=a.z;
+	q.v[1].x=b.x;q.v[1].y=a.y;q.v[1].z=a.z;
+	q.v[2].x=b.x;q.v[2].y=a.y;q.v[2].z=b.z;
+	q.v[3].x=a.x;q.v[3].y=a.y;q.v[3].z=b.z;
+	sm->smRenderQuad(&q);
+}
 
-qmpVisualization::qmpVisualization(qmpPluginAPI* _api)
-{api=_api;}
-qmpVisualization::~qmpVisualization()
-{api=NULL;}
+qmpVisualization::qmpVisualization(qmpPluginAPI* _api){api=_api;}
+qmpVisualization::~qmpVisualization(){api=NULL;}
 void qmpVisualization::init()
 {
 	puts("hello world from test plugin!");
-	puts("I'll try to print the first 3 events from the file!");
-	cb=new CTestCallBack(this);c=0;
-	//!!FIXME: not working properly...
+	cb=new CTestCallBack(this);
+	vi=new CDemoVisualization(this);
+	h=new CMidiVisualHandler(this);
+	api->registerVisualizationIntf(vi);
 	api->registerEventReaderIntf(cb,NULL);
 }
 void qmpVisualization::deinit()
-{}
+{
+	delete cb;delete vi;
+	delete h;
+}
 const char* qmpVisualization::pluginGetName()
 {return "QMidiPlayer Default Visualization Plugin";}
 const char* qmpVisualization::pluginGetVersion()
 {return "0.7.8";}
 
+void qmpVisualization::pushNoteOn(uint32_t tc,uint32_t ch,uint32_t key,uint32_t vel)
+{
+	pendingt[ch][key].push(tc);
+	pendingv[ch][key].push(vel);
+}
+void qmpVisualization::pushNoteOff(uint32_t tc,uint32_t ch,uint32_t key)
+{
+	if(pendingt[ch][key].size()<1)return;
+	MidiVisualEvent *ne=new MidiVisualEvent();
+	ne->tcs=pendingt[ch][key].top();pendingt[ch][key].pop();
+	ne->tce=tc;ne->ch=ch;ne->key=key;
+	ne->vel=pendingv[ch][key].top();pendingv[ch][key].pop();
+	if(tc>fintk)fintk=tc;
+}
+
 //dummy implementations of the api...
 uint32_t qmpPluginAPI::getDivision(){return 0;}
 uint32_t qmpPluginAPI::getRawTempo(){return 0;}
@@ -43,3 +227,11 @@ int qmpPluginAPI::registerEventHandlerIntf(IMidiCallBack*,void*){return -1;}
 void qmpPluginAPI::unregisterEventHandlerIntf(int){}
 int qmpPluginAPI::registerEventReaderIntf(IMidiCallBack*,void*){return -1;}
 void qmpPluginAPI::unregisterEventReaderIntf(int){}
+int qmpPluginAPI::registerVisualizationIntf(qmpVisualizationIntf*){return 0;}
+void qmpPluginAPI::unregisterVisualizationIntf(int){}
+void qmpPluginAPI::registerOptionInt(std::string,std::string,int){}
+int qmpPluginAPI::getOptionInt(std::string){return 0;}
+void qmpPluginAPI::registerOptionDouble(std::string,std::string,double){}
+double qmpPluginAPI::getOptionDouble(std::string){return 0;}
+void qmpPluginAPI::registerOptionString(std::string,std::string,std::string){}
+std::string qmpPluginAPI::getOptionString(std::string){return "";}