629 lines
14 KiB
C++
629 lines
14 KiB
C++
$BG,0$
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$SP,"<1>",1$
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$SP,"<2>",2$
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$SP,"<3>",3$
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$BG$
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#define NUM_STARS 8192
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I64 stars_x[NUM_STARS],stars_y[NUM_STARS];
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#define RADIUS 7
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class MyMass:CMass
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{
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U8 *img;
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};
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class MySpring:CSpring
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{
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I64 type,action_key;
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};
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//Main Modses
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#define MMD_EDIT 0
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#define MMD_PLAY 1
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#define MMD_NUM_MODES 2
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CColorROPU32 main_mode_colors[MMD_NUM_MODES]={LTRED,LTGREEN};
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DefineLstLoad("ST_MAIN_MODES","Edit\0Play\0");
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CCtrlButtonState main_mode_button;
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//Edit Modes
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#define EMD_MASS 0
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#define EMD_SPRING 1
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#define EMD_CONNECTOR 2
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#define EMD_THRUSTER 3
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#define EMD_MOVE 4
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#define EMD_NUM_MODES 5
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CColorROPU32 edit_mode_colors[EMD_NUM_MODES]={LTGRAY,LTCYAN,CYAN,YELLOW,LTBLUE};
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DefineLstLoad("ST_EDIT_MODES","Mass\0Spring\0Connector\0Thruster\0Move\0");
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CCtrlButtonState edit_mode_button;
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CTask *task;
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F64 zoom;
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I64 next_action_key,action_scancodes[10];
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CMathODE *ode=NULL;
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U0 S2W(F64 sx,F64 sy,F64 *_wx,F64 *_wy)
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{
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sx-=task->win_pixel_left+task->win_scroll_x;
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sy-=task->win_pixel_top +task->win_scroll_y;
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*_wx=sx/zoom;
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*_wy=sy/zoom;
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}
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U0 W2S(F64 wx,F64 wy,F64 *_sx,F64 *_sy)
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{
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*_sx=wx*zoom; *_sy=wy*zoom;
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}
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#define ZOOM_STEPS 20
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U0 Zoom(F64 d)
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{
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F64 sx,sy,wx,wy;
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I64 i,x=ipx,y=ipy;
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d=Exp(Ln(d)/ZOOM_STEPS);
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for (i=0;i<ZOOM_STEPS;i++) {
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S2W(x,y,&wx,&wy);
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zoom*=d;
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W2S(wx,wy,&sx,&sy);
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task->win_scroll_x=ipx-sx-task->win_pixel_left;
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task->win_scroll_y=ipy-sy-task->win_pixel_top;
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Sleep(10);
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}
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}
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U0 DrawIt(CTask *,CDC *dc)
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{
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I64 i;
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F64 é,d,x1,y1,x2,y2;
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Bool old_suspend;
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MyMass *tempm;
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MySpring *temps;
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tempm=ode->next_mass;
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if (tempm!=&ode->next_mass) {
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task->win_scroll_x=-tempm->x*zoom+task->win_pixel_width >>1;
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task->win_scroll_y=-tempm->y*zoom+task->win_pixel_height>>1;
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}
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dc->flags|=DCF_TRANSFORMATION;
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GrScaleMatEqu(dc->r,zoom);
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switch (main_mode_button.state) {
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case MMD_EDIT:
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task->text_attr=DKGRAY<<4+WHITE;
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dc->color=BLACK;
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break;
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case MMD_PLAY:
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task->text_attr=BLACK<<4+WHITE;
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dc->color=WHITE;
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for (i=0;i<NUM_STARS;i++)
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GrPlot3(dc,stars_x[i],stars_y[i],0);
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break;
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}
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if (main_mode_button.state==MMD_EDIT) {
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if (edit_mode_button.state==EMD_CONNECTOR) {
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dc->color=CYAN;
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S2W(FONT_WIDTH*11,FONT_HEIGHT*7,&x1,&y1);
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GrPutChar3(dc,x1,y1,0,next_action_key);
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} else if (edit_mode_button.state==EMD_THRUSTER) {
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dc->color=YELLOW;
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S2W(FONT_WIDTH*11,FONT_HEIGHT*7,&x1,&y1);
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GrPutChar3(dc,x1,y1,0,next_action_key);
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}
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}
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old_suspend=Suspend(task);
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temps=ode->next_spring;
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while (temps!=&ode->next_spring) {
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if (temps->type==EMD_SPRING) {
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dc->color=LTCYAN;
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GrLine3(dc,temps->end1->x,temps->end1->y,0,
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temps->end2->x,temps->end2->y,0);
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} else if (temps->type==EMD_CONNECTOR) {
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dc->color=CYAN;
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GrLine3(dc,temps->end1->x,temps->end1->y,0,
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temps->end2->x,temps->end2->y,0);
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}
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temps=temps->next;
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}
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dc->color=LTGRAY;
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tempm=ode->next_mass;
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while (tempm!=&ode->next_mass) {
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SpritePlot3(dc,tempm->x,tempm->y,0,tempm->img);
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tempm=tempm->next;
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}
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temps=ode->next_spring;
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while (temps!=&ode->next_spring) {
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x1=temps->end1->x; y1=temps->end1->y;
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x2=temps->end2->x; y2=temps->end2->y;
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if (temps->type==EMD_THRUSTER) {
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é=Arg(x2-x1,y2-y1);
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if (Bt(key_down_bitmap,action_scancodes[temps->action_key-'0'])) {
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dc->flags|=DCF_SYMMETRY;
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GrSetSymmetry3(dc,x1,y1,256,x1,y1,0,x1-256*Cos(é),y1-256*Sin(é),0);
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for (i=0;i<8;i++) {
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d=20*Rand+6;
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if (d<10)
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dc->color=BLUE;
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else if (d<16)
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dc->color=LTBLUE;
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else
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dc->color=YELLOW;
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GrLine3(dc,x1-3*Cos(é),y1-3*Sin(é),0,
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x1-d*Cos(é)+0.5*d*Sin(é),
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y1-d*Sin(é)-0.5*d*Cos(é),0);
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GrLine3(dc,x1-2*d*Cos(é),y1-2*d*Sin(é),0,
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x1-d*Cos(é)+0.5*d*Sin(é),
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y1-d*Sin(é)-0.5*d*Cos(é),0);
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}
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dc->flags&=~DCF_SYMMETRY;
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}
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SpritePlotRotZ3b(dc,x1,y1,0,$IB,"<3>",3$,é);
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if (zoom>0.5) {
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dc->color=YELLOW;
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GrPutChar3(dc,(x1*7+x2)/8,(y1*7+y2)/8,0,temps->action_key);
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}
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} else if (temps->type==EMD_CONNECTOR) {
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if (zoom>0.5) {
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dc->color=CYAN;
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GrPutChar3(dc,(x1*7+x2)/8,(y1*7+y2)/8,0,temps->action_key);
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}
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}
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temps=temps->next;
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}
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Suspend(task,old_suspend);
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}
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U0 MyDerivative(CMathODE *ode,F64,COrder2D3 *,COrder2D3 *)
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{
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//The forces due to springs and drag are
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//automatically handled by the
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//ode code. We can add new forces
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//here.
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F64 d,dd;
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CD3 p;
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MyMass *tempm1,*tempm2;
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MySpring *temps;
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tempm1=ode->next_mass;
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while (tempm1!=&ode->next_mass) {
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tempm2=tempm1->next;
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while (tempm2!=&ode->next_mass) {
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D3Sub(&tempm2->state->x,&tempm1->state->x,&p);
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dd=D3SqrNorm(&p);
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if (dd<=Sqr(2*RADIUS)) {
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d=Sqrt(dd)+0.0001;
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dd=10.0*Sqr(Sqr(Sqr(2*RADIUS)-dd));
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D3MulEqu(&p,dd/d);
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D3AddEqu(&tempm2->DstateDt->DxDt,&p);
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D3SubEqu(&tempm1->DstateDt->DxDt,&p);
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}
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tempm2=tempm2->next;
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}
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tempm1=tempm1->next;
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}
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temps=ode->next_spring;
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while (temps!=&ode->next_spring) {
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if (main_mode_button.state==MMD_PLAY && temps->type==EMD_THRUSTER &&
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Bt(key_down_bitmap,action_scancodes[temps->action_key-'0'])) {
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D3Sub(&temps->end2->state->x,&temps->end1->state->x,&p);
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D3Unit(&p);
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D3MulEqu(&p,2000);
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D3AddEqu(&temps->end1->DstateDt->DxDt,&p);
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}
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temps=temps->next;
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}
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}
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MyMass *PlaceMass(I64 x, I64 y)
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{
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MyMass *tempm=CAlloc(sizeof(MyMass));
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tempm->mass=1.0;
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tempm->drag_profile_factor=100.0;
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tempm->x=x;
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tempm->y=y;
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QueIns(tempm,ode->last_mass);
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return tempm;
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}
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MySpring *PlaceSpring(MyMass *tempm1,MyMass *tempm2,I64 type)
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{
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MySpring *temps=CAlloc(sizeof(MySpring));
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F64 d=D3Dist(&tempm1->x,&tempm2->x);
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temps->end1=tempm1;
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temps->end2=tempm2;
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temps->rest_len=d;
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temps->type=type;
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if (type==EMD_THRUSTER)
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temps->constant=0;
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else
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temps->constant=2500000/Sqr(d);
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temps->action_key=next_action_key;
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QueIns(temps,ode->last_spring);
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return temps;
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}
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U0 CenterMasses()
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{
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CD3 p;
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MyMass *tempm1,*tempm2;
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tempm1=ode->next_mass;
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if (tempm1!=&ode->next_mass) {
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D3Copy(&p,&tempm1->x);
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tempm2=ode->next_mass;
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while (tempm2!=&ode->next_mass) {
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D3SubEqu(&tempm2->x,&p);
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tempm2=tempm2->next;
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}
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}
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}
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U0 NullSprings()
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{
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MySpring *temps=ode->next_spring;
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while (temps!=&ode->next_spring) {
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temps->rest_len=D3Dist(&temps->end1->x,&temps->end2->x);
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temps=temps->next;
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}
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}
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U0 BreakConnectors()
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{
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MySpring *temps=ode->next_spring,*temps1;
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while (temps!=&ode->next_spring) {
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temps1=temps->next;
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if (temps->type==EMD_CONNECTOR &&
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Bt(key_down_bitmap,action_scancodes[temps->action_key-'0'])) {
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QueRem(temps);
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Free(temps);
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}
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temps=temps1;
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}
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}
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U0 Init()
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{
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I64 i;
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task=Fs;
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for (i=0;i<=9;i++)
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action_scancodes[i]=A2ScanCode('0'+i);
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for (i=0;i<NUM_STARS;i++) {
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stars_x[i]=RandU32%8192-4096;
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stars_y[i]=RandU32%8192-4096;
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}
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next_action_key='1';
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zoom=1.0;
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ode=ODENew(0,1e-4,ODEF_HAS_MASSES);
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ode->derivative=&MyDerivative;
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ode->acceleration_limit=5e3;
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ode->drag_v2=0.000002;
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ode->drag_v3=0.0000001;
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QueIns(ode,Fs->last_ode);
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}
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U0 CleanUp()
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{
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if (ode) {
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QueRem(ode);
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QueDel(&ode->next_mass,TRUE);
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QueDel(&ode->next_spring,TRUE);
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ODEDel(ode);
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ode=NULL;
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}
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}
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U0 PlayShip()
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{
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I64 p1,p2;
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Bool okay;
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ode->flags&=~ODEF_PAUSED;
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MenuPush(
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"File {"
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" Abort(,CH_SHIFT_ESC);"
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" Exit(,CH_ESC);"
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"}"
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"Edit {"
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" EditShip(,CH_SPACE);"
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"}"
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"Play {"
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" Center(,'c');"
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" Damp(,'d');"
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" Action0(,'0');"
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" Action1(,'1');"
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" Action2(,'2');"
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" Action3(,'3');"
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" Action4(,'4');"
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" Action5(,'5');"
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" Action6(,'6');"
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" Action7(,'7');"
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" Action8(,'8');"
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" Action9(,'9');"
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"}"
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"View {"
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" ZoomIn(,'z');"
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" ZoomOut(,'Z');"
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"}"
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);
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DocClear;
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try {
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while (main_mode_button.state==MMD_PLAY) {
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BreakConnectors;
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switch (ScanMsg(&p1,&p2,1<<MSG_KEY_DOWN|1<<MSG_KEY_UP)) {
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case MSG_KEY_DOWN:
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switch (p1) {
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case '0'...'9':
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Noise(1000,40,200);
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break;
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case 'z':
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Spawn(&Zoom,2.0(I64));
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break;
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case 'Z':
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Spawn(&Zoom,0.5(I64));
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break;
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case 'c':
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CenterMasses;
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break;
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case 'd':
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ode->drag_v2=0.002;
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ode->drag_v3=0.0001;
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break;
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case CH_SPACE:
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if (++main_mode_button.state==MMD_NUM_MODES)
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main_mode_button.state=0;
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GetMsg(,,1<<MSG_KEY_UP);
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goto ps_done;
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case CH_SHIFT_ESC:
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case CH_ESC:
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throw;
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}
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break;
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case MSG_KEY_UP:
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switch (p1) {
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case 'd':
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ode->drag_v2=0.000002;
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ode->drag_v3=0.0000001;
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break;
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}
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break;
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}
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WinMgrSync;
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}
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ps_done: //Don't goto out of try
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okay=TRUE;
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} catch {
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Fs->catch_except=TRUE;
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okay=FALSE;
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}
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MenuPop;
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if (!okay)
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throw;
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}
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U0 EditShip()
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{
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I64 p1,p2;
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F64 wx,wy;
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Bool okay;
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MyMass *tempm1=NULL,*tempm2=NULL;
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CCtrl *bt_edit_mode=CtrlButtonNew(0,5*FONT_HEIGHT+4,80,,EMD_NUM_MODES,
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Define("ST_EDIT_MODES"),edit_mode_colors,&edit_mode_button);
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ode->flags|=ODEF_PAUSED;
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MenuPush(
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"File {"
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" Abort(,CH_SHIFT_ESC);"
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" Exit(,CH_ESC);"
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"}"
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"Play {"
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" PlayShip(,CH_SPACE);"
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" Center(,'c');"
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" Damp(,'d');"
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"}"
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"Edit {"
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" Move(,'v');"
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" Mass(,'m');"
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" Spring(,'s');"
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" Connector(,'n');"
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" Thruster(,'t');"
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" Restart(,'\n');"
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" Action0(,'0');"
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" Action1(,'1');"
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" Action2(,'2');"
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" Action3(,'3');"
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" Action4(,'4');"
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" Action5(,'5');"
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" Action6(,'6');"
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" Action7(,'7');"
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" Action8(,'8');"
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" Action9(,'9');"
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"}"
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"View {"
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" ZoomIn(,'z');"
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" ZoomOut(,'Z');"
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"}"
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);
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DocClear;
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try {
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while (main_mode_button.state==MMD_EDIT) {
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switch (ScanMsg(&p1,&p2,1<<MSG_IP_L_DOWN|1<<MSG_IP_L_UP|1<<MSG_IP_R_DOWN|1<<MSG_IP_MOVE|1<<MSG_KEY_DOWN|1<<MSG_KEY_UP)) {
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case MSG_IP_L_DOWN:
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switch (edit_mode_button.state) {
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case EMD_MASS:
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S2W(ipx,ipy,&wx,&wy);
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tempm1=PlaceMass(wx,wy);
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if (ode->next_mass==tempm1)
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tempm1->img=$IB,"<1>",1$;
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else
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tempm1->img=$IB,"<2>",2$;
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tempm1=NULL;
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break;
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case EMD_SPRING:
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case EMD_CONNECTOR:
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case EMD_THRUSTER:
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case EMD_MOVE:
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S2W(ipx,ipy,&wx,&wy);
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tempm1=MassFind(ode,wx,wy);
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tempm2=NULL;
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break;
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}
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break;
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case MSG_IP_L_UP:
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switch (edit_mode_button.state) {
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case EMD_MASS:
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break;
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case EMD_SPRING:
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case EMD_CONNECTOR:
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case EMD_THRUSTER:
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S2W(ipx,ipy,&wx,&wy);
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if (tempm1 && (tempm2=MassFind(ode,wx,wy)) && tempm1!=tempm2)
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PlaceSpring(tempm1,tempm2,edit_mode_button.state);
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tempm1=tempm2=NULL;
|
|
break;
|
|
case EMD_MOVE:
|
|
S2W(ipx,ipy,&wx,&wy);
|
|
if (tempm1) {
|
|
tempm1->x=wx;
|
|
tempm1->y=wy;
|
|
tempm1->z=0;
|
|
NullSprings;
|
|
}
|
|
tempm1=tempm2=NULL;
|
|
break;
|
|
}
|
|
break;
|
|
case MSG_IP_MOVE:
|
|
switch (edit_mode_button.state) {
|
|
case EMD_MOVE:
|
|
S2W(ipx,ipy,&wx,&wy);
|
|
if (tempm1) {
|
|
tempm1->x=wx;
|
|
tempm1->y=wy;
|
|
tempm1->z=0;
|
|
NullSprings;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case MSG_IP_R_DOWN:
|
|
if (++edit_mode_button.state==EMD_NUM_MODES)
|
|
edit_mode_button.state=0;
|
|
break;
|
|
case MSG_IP_R_UP:
|
|
break;
|
|
case MSG_KEY_DOWN:
|
|
switch (p1) {
|
|
case '\n':
|
|
CleanUp;
|
|
Init;
|
|
break;
|
|
case '0'...'9':
|
|
next_action_key=p1;
|
|
break;
|
|
case 'c':
|
|
CenterMasses;
|
|
break;
|
|
case 'd':
|
|
ode->flags&=~ODEF_PAUSED;
|
|
ode->drag_v2=0.002;
|
|
ode->drag_v3=0.0001;
|
|
break;
|
|
case 'v':
|
|
edit_mode_button.state=EMD_MOVE;
|
|
break;
|
|
case 'm':
|
|
edit_mode_button.state=EMD_MASS;
|
|
break;
|
|
case 'n':
|
|
edit_mode_button.state=EMD_CONNECTOR;
|
|
break;
|
|
case 's':
|
|
edit_mode_button.state=EMD_SPRING;
|
|
break;
|
|
case 't':
|
|
edit_mode_button.state=EMD_THRUSTER;
|
|
break;
|
|
case 'z':
|
|
Spawn(&Zoom,2.0(I64));
|
|
break;
|
|
case 'Z':
|
|
Spawn(&Zoom,0.5(I64));
|
|
break;
|
|
case CH_SPACE:
|
|
if (++main_mode_button.state==MMD_NUM_MODES)
|
|
main_mode_button.state=0;
|
|
GetMsg(,,1<<MSG_KEY_UP);
|
|
goto es_done;
|
|
case CH_SHIFT_ESC:
|
|
case CH_ESC:
|
|
throw;
|
|
}
|
|
break;
|
|
case MSG_KEY_UP:
|
|
switch (p1) {
|
|
case 'd':
|
|
ode->flags|=ODEF_PAUSED;
|
|
ode->drag_v2=0.000002;
|
|
ode->drag_v3=0.0000001;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
WinMgrSync;
|
|
}
|
|
es_done: //Don't goto out of try
|
|
okay=TRUE;
|
|
} catch {
|
|
Fs->catch_except=TRUE;
|
|
okay=FALSE;
|
|
}
|
|
MenuPop;
|
|
CtrlButtonDel(bt_edit_mode);
|
|
if (!okay)
|
|
throw;
|
|
}
|
|
|
|
U0 Strut()
|
|
{
|
|
CCtrl *bt_main_mode=CtrlButtonNew((GR_WIDTH-4*FONT_WIDTH-16)>>1,1*FONT_HEIGHT+4,80,,MMD_NUM_MODES,
|
|
Define("ST_MAIN_MODES"),main_mode_colors,&main_mode_button);
|
|
SettingsPush; //See $LK,"SettingsPush","MN:SettingsPush"$
|
|
Fs->win_inhibit|=WIF_DBL_CLICK|WIF_IP_L|WIF_IP_R;
|
|
WinMax;
|
|
WinBorder;
|
|
Preempt(OFF);
|
|
WordStat;
|
|
DocCursor;
|
|
DocClear;
|
|
Init;
|
|
Fs->draw_it=&DrawIt;
|
|
try {
|
|
while (TRUE) {
|
|
EditShip;
|
|
PlayShip;
|
|
}
|
|
} catch {
|
|
CleanUp;
|
|
Fs->catch_except=TRUE;
|
|
}
|
|
SettingsPop;
|
|
CtrlButtonDel(bt_main_mode);
|
|
}
|
|
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