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TempleOS-Rijn/Demo/Games/EagleDive.CPP
T
Terry A. Davis 7ef616a20e TempleOSTS_140317.ISO
2018-09-08 21:46:02 +02:00

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//This uses $LK,"fixed-point",A="FI:::/Demo/Lectures/FixedPoint.CPP"$.
//This program can be AOT compiled to a .BIN.Z or JIT.
//If AOT compiling, override the filename extention warning.
#ifaot
#include "::/Kernel/AOT.HPP"
I64 best_score=0; //Doesn't work yet for AOT
#else
AcctRegSetDftEntry("TempleOS/EagleDive","I64 best_score=0;\n");
AcctRegExeBranch("TempleOS/EagleDive");
#endif
//Keep these power of two so shift is used instead of multiply
//to index arrays.
#define MAP_WIDTH 1024
#define MAP_HEIGHT 1024
#define MAP_SCALE 150
#define DISPLAY_SCALE 100
#define CTRLS_SCALE 0.05
//I think I did these so the heads-up showed intelligable numbers.
//Scaling is a mess.
#define COORDINATE_SCALE 256
#define COORDINATE_BITS 8
#define WATER_ELEVATION 15
#define ROCK_ELEVATION 45
#define SNOW_ELEVATION 55
//Too big makes off-screen draws take place.
#define MAX_PANEL_SIZE 16
class Panel
{
Panel *next;
I32 n, //num polygon sides
num; //panel number
CD3I32 *pts;
I64 color,cnt;
};
class Fish
{
Fish *next,*last;
CD3I64 p;
} fish_root;
$SP,"<1>",BI=1$
I64 critical_section_flag;
U0 CriticalSectionStart()
{
while (LBts(&critical_section_flag,0))
Yield;
}
U0 CriticalSectionEnd()
{
LBtr(&critical_section_flag,0);
}
//These are $BK,1$NOT$BK,0$ deallocated after the program ends,
//but I did them this way for your benefit
//so 2D array indexing is not done by hand.
//You can type "EagleDive;" at the command line
//to rerun without new allocations.
//Normally, just spawn a popup task,
//run it and kill it using an icon.
#ifaot
#exe {OptOn(OPTf_GLBLS_ON_DATA_HEAP);};
#endif
I16 elevations[MAP_HEIGHT][MAP_WIDTH];
I32 normals[MAP_HEIGHT][MAP_WIDTH*2];
Panel *panels[MAP_HEIGHT][MAP_WIDTH*2];
#ifaot
#exe {OptOff(OPTf_GLBLS_ON_DATA_HEAP);};
#endif
I64 num_panels;
Panel *panel_root;
U8 *panels_processed_bitmap;
F64 game_t0,è,é1,é2,speed;
I64 strip_height,x,y,z,game_score;
Bool game_over;
class MPCtrl {
I64 mp_cnt;
I64 init_not_done_flags,update_not_done_flags,app_not_done_flags;
I64 strip_width[MP_MAX_PROCESSORS];
Bool app_done;
} mp;
U0 FSTransform(CDC *dc,I64 *x,I64 *y,I64 *z)
{
I64 zz;
//I accidentally made the Z coordinate sign backward
//from the fill-poly depth buf scheme, so it is negated at the end.
//Negative Z coordinates are the ones we want plotted.
GrRot(dc->r,x,y,z);
//We don't want divide by zero or make too monstrous foreground objects.
//The foreground object boundary is kinda crappy looking when
//you point toward the ground.
*z=-*z;
zz=*z+50;
if (zz>0) {
//The divide causes "foreshortening" which makes the distance go to a vanishing point.
*x = *x * DISPLAY_SCALE/ zz;
*y = *y * DISPLAY_SCALE/ zz;
}
*x+=dc->x;
*y =dc->y-*y;
}
U0 CalcNormals()
{
/*The idea is that there are two tris
forming every grid square and we find the normal
vect with a curl.
i j k
0 1 dz2
1 0 dz1
Normal:
dz1*i + dz2*j - k
i j k
-1 0 -dz3
0 -1 -dz4
Normal:
-dz3*i - dz4*j + k
Basically, we want to combine grid
locations with the same normals. These
are not unit vects for one thing.
What I came-up with is dz1/dz2 and dz3/dz4.
It works pretty well. It combines
more than it should, but that's good
because it would result in too many
panels.
*/
I64 i,j,k,dz1,dz2;
for (j=0;j<MAP_HEIGHT-1;j++) {
k=0;
for (i=0;i<MAP_WIDTH-1;i++) {
dz1=elevations[j][i+1]-elevations[j][i];
dz2=elevations[j+1][i]-elevations[j][i];
if (dz2)
normals[j][k++]=dz1<<16/dz2;
else {
if (!dz1)
normals[j][k++]=0;
else if (dz1>0)
normals[j][k++]=MAX_I32;
else
normals[j][k++]=MIN_I32;
}
dz1=elevations[j+1][i+1]-elevations[j][i+1];
dz2=elevations[j+1][i+1]-elevations[j+1][i];
if (dz2)
normals[j][k++]=dz1<<16/dz2;
else {
if (!dz1)
normals[j][k++]=0;
else if (dz1>0)
normals[j][k++]=MAX_I32;
else
normals[j][k++]=MIN_I32;
}
}
normals[j][k++]=0;
normals[j][k++]=0;
}
k=0;
for (i=0;i<MAP_WIDTH-1;i++) {
normals[j][k++]=0;
normals[j][k++]=0;
}
}
Bool TestSameSlope(I64 x,I64 y,I64 w,I64 h)
{
I64 k1,k2,xx,yy,s;
if (!(0<=x && x+w<MAP_WIDTH && 0<=y && y+h<MAP_HEIGHT))
return FALSE;
//Works well averaging the two slopes of two tris.
//If it is too picky, we get too many panels.
s=normals[y][x*2]+normals[y][x*2+1];
for (k2=0;k2<h;k2++)
for (k1=0;k1<w;k1++) {
xx=(x+k1)*2;
yy=y+k2;
if (normals[yy][xx]+normals[yy][xx+1]!=s)
return FALSE;
}
return TRUE;
}
U0 MPDoPanels(CTask *task)
{
I64 i,j,k,l,k1,k2,w,h,threshold,lo,hi;
Bool cont;
Panel *tempp,*start_ptr=NULL,*end_ptr=NULL;
CD3I32 *poly;
Fish *tempf;
lo=Gs->num*(MAP_HEIGHT-1)/mp.mp_cnt;
hi=(Gs->num+1)*(MAP_HEIGHT-1)/mp.mp_cnt;
for (threshold=8;threshold>=1;threshold--)
for (j=lo;j<hi;j++) {
k=0;
for (i=0;i<MAP_WIDTH-1;i++) {
if (!panels[j][k]) {
w=1;
h=1;
do {
cont=FALSE;
if (w<MAX_PANEL_SIZE && TestSameSlope(i,j,w+1,h)) {
w++;
cont=TRUE;
}
if (h<MAX_PANEL_SIZE && TestSameSlope(i,j,w,h+1)) {
h++;
cont=TRUE;
}
} while (cont);
if (w>=threshold || h>=threshold) {
tempp=CAlloc(sizeof(Panel),task);
lock {tempp->num=num_panels++;}
l=elevations[j][i];
if (l<=WATER_ELEVATION*MAP_SCALE &&
elevations[j][i+w-1]<=WATER_ELEVATION*MAP_SCALE &&
elevations[j+h-1][i]<=WATER_ELEVATION*MAP_SCALE &&
elevations[j+h-1][i+w-1]<=WATER_ELEVATION*MAP_SCALE) {
tempp->color=BLUE;
if (Rand<0.05) {
tempf=MAlloc(sizeof(Fish),task);
tempf->p.x=(i+w/2)*MAP_SCALE;
tempf->p.y=(j+h/2)*MAP_SCALE;
tempf->p.z=l;
CriticalSectionStart;
QueIns(tempf,fish_root.last);
CriticalSectionEnd;
}
} else {
if (RandI16&1) {
if (l<ROCK_ELEVATION*MAP_SCALE)
tempp->color=LTGREEN;
else if (l<SNOW_ELEVATION*MAP_SCALE) {
if (!(RandU16&3))
tempp->color=LTGRAY;
else
tempp->color=LTGREEN;
} else {
if (!(RandU16&3))
tempp->color=WHITE;
else
tempp->color=LTGRAY;
}
} else {
if (l<ROCK_ELEVATION*MAP_SCALE)
tempp->color=GREEN+LTGREEN<<16+ROPF_DITHER;
else if (l<SNOW_ELEVATION*MAP_SCALE) {
if (!(RandU16&3))
tempp->color=DKGRAY+LTGRAY<<16+ROPF_DITHER;
else
tempp->color=GREEN+LTGREEN<<16+ROPF_DITHER;
} else {
if (!(RandU16&3))
tempp->color=LTGRAY+WHITE<<16+ROPF_DITHER;
else
tempp->color=DKGRAY+LTGRAY<<16+ROPF_DITHER;
}
}
}
tempp->n=4;
poly=tempp->pts=MAlloc(sizeof(CD3I32)*tempp->n,task);
poly[0].x=MAP_SCALE*i;
poly[0].y=MAP_SCALE*j;
poly[0].z=elevations[j][i];
poly[1].x=MAP_SCALE*(i+w);
poly[1].y=MAP_SCALE*j;
poly[1].z=elevations[j][i+w];
poly[2].x=MAP_SCALE*(i+w);
poly[2].y=MAP_SCALE*(j+h);
poly[2].z=elevations[j+h][i+w];
poly[3].x=MAP_SCALE*i;
poly[3].y=MAP_SCALE*(j+h);
poly[3].z=elevations[j+h][i];
tempp->next=start_ptr;
start_ptr=tempp;
if (!end_ptr)
end_ptr=tempp;
for (k2=0;k2<h;k2++)
for (k1=0;k1<w;k1++) {
panels[j+k2][(i+k1)*2]=tempp;
panels[j+k2][(i+k1)*2+1]=tempp;
}
}
}
k+=2;
}
}
if (end_ptr) {
CriticalSectionStart;
if (end_ptr)
end_ptr->next=panel_root;
panel_root=start_ptr;
CriticalSectionEnd;
}
LBtr(&mp.init_not_done_flags,Gs->num);
}
U0 InitMap()
{
//We make a topographic data structure "elevations[][]"
//and convert it to panels. The conversion to panels leaves
//gaps the way I did it, but it looks good, except for sky leaking through
//There is no wrong way to pick colors if it looks good, unless
//you wanted to do lighting.
//"panels[][]" holds the flat and sloped panels for each spot, while
//"hstep_panels[][]" holds side panels in cases of step-like formations.
//They require a separate array because a single "elevation[][]" spot can
//have a panel on top and a panel on the side like stairs.
I64 i,j,l,k1,k2,x,y,xx,yy;
MemSet(elevations,0,sizeof(elevations));
MemSet(panels,0,sizeof(panels));
for (i=0;i<MAP_WIDTH*MAP_HEIGHT/128;i++) {
x=RandU32%MAP_WIDTH;
y=RandU32%MAP_HEIGHT;
j=1<<(RandU32%6);
l=0;
while (j--) {
if (!l && RandU16<MAX_U16/4)
l=RandU16%(j+1);
if (l) {
for (k1=-j;k1<=j;k1++)
for (k2=-j;k2<=j;k2++) {
xx=x+k2; yy=y+k1;
if (0<=xx<MAP_WIDTH &&
0<=yy<MAP_HEIGHT)
elevations[yy][xx]+=MAP_SCALE/2;
}
l--;
}
}
}
xx=x/(MAP_SCALE*COORDINATE_SCALE);
yy=y/(MAP_SCALE*COORDINATE_SCALE);
z+=elevations[yy][xx]*COORDINATE_SCALE;
for (j=0;j<MAP_HEIGHT;j++)
for (i=0;i<MAP_WIDTH;i++)
if (elevations[j][i]<WATER_ELEVATION*MAP_SCALE)
elevations[j][i]=WATER_ELEVATION*MAP_SCALE;
CalcNormals;
panel_root=NULL;
num_panels=0;
mp.init_not_done_flags=1<<mp.mp_cnt-1;
for (i=0;i<mp.mp_cnt;i++)
Spawn(&MPDoPanels,Fs,"Do Panels",i);
while (mp.init_not_done_flags)
Sleep(1);
panels_processed_bitmap=MAlloc((num_panels+7)>>3);
}
CDC *main_dc;
U0 DrawIt(CTask *,CDC *dc)
{
main_dc->flags|=DCF_NO_TRANSPARENTS;
GrBlot(dc,0,0,main_dc);
}
/*
$SP,"<2>",BI=2$
$SP,"<3>",BI=3$
Cores render strips that +/- 15%. The cores check the panel map array
and render the panel for each square, marking-it done.
The depth buf is not locked in the graphic routines
so we get some glitches.
*/
I64 update_jiffy_limit;
U0 MPDrawIt(CTask *task,CDC *dc)
{
//This is identical to the previous routine but is run by core#1
I64 j,strip_width,*s2w,x1,y1,z1, xx,yy,
xh,yh,zh,yh2,xh2,x1h,y1h,x1wa,y1wa,x1wb,y1wb,
x3,y3,z3,
cx=task->pix_width>>1,
cy=task->pix_height>>1;
Panel reg *tempp;
xx=x/(MAP_SCALE*COORDINATE_SCALE);
yy=y/(MAP_SCALE*COORDINATE_SCALE);
//World to screen coordinates
GrIdentEqu(dc->r);
GrRotZEqu(dc->r,é2);
GrRotXEqu(dc->r,è);
GrRotZEqu(dc->r,é1);
GrSetRotMat(dc,dc->r);
//Screen to world coordinates
//This gives us the vects for stepping through the grid in
//the direction the plane is facing. we step horizontally and vertically
//and use the reciprocal slope principle y=mx+b and y=(-1/m)x+b are perpendicular.
s2w=GrIdentNew;
GrRotZEqu(s2w,-é1);
GrRotXEqu(s2w,-è);
GrRotZEqu(s2w,-é2);
xh=0;
yh=0;
zh=-256;
GrRot(s2w,&xh,&yh,&zh);
//The layer for core#1 is not cleared automatically
//it is persistent. I have carefully syncronized to the update
//cycle initiated by core#0 to prevent flicker.
dc->flags|=DCF_TRANSFORMATION;
dc->transform=&FSTransform;
dc->x=cx;
dc->y=cy;
//dc->x and the translation part of dc->r are identical in effect,
//but we use both to show-off. We could add offsets together and use one or the other.
x1=-x>>COORDINATE_BITS;
y1=-y>>COORDINATE_BITS;
z1=-z>>COORDINATE_BITS;
GrRot(dc->r,&x1,&y1,&z1);
GrSetTranslation(dc->r,x1,y1,z1);
//This is a refinement.
if (Abs(è*180/ã)>90) {
x3=0;
y3=-cy;
z3=0;
GrRot(s2w,&x3,&y3,&z3);
xx+=x3;
yy+=y3;
}
if (Gs->num&1) { //alternate left-right,right-left
yh2=-yh;
xh2=-xh;
} else {
yh2=yh;
xh2=xh;
}
//Calc starting point.
x1wa=xx<<8+xh*strip_height>>1/1.3*(Gs->num+1.15);
y1wa=yy<<8+yh*strip_height>>1/1.3*(Gs->num+1.15);
x1wb=0;
y1wb=0;
xh=-xh; //Back to front to help with depth.
yh=-yh;
//Take half steps to cover whole grid.
xh>>=1; yh>>=1;
xh2>>=1; yh2>>=1;
for (strip_width=0;sys_jiffies<update_jiffy_limit;strip_width++) {
x1h=x1wa;
y1h=y1wa;
for (j=0;j<strip_height && sys_jiffies<update_jiffy_limit;j++) {
x1=x1h>>8; y1=y1h>>8;
if (0<=x1<MAP_WIDTH && 0<=y1<MAP_HEIGHT) {
if ((tempp=panels[y1][x1*2]) && !LBts(panels_processed_bitmap,tempp->num)) {
if (tempp->cnt>8*(1.1-Gs->idle_factor)) {
dc->color=tempp->color;
tempp->cnt=GrFillPoly3(dc,tempp->n,tempp->pts);
} else
tempp->cnt++;
}
}
x1h+=xh;
y1h+=yh;
}
x1wb-=yh2;
y1wb+=xh2;
if (strip_width&1) {
x1wa-=x1wb;
y1wa-=y1wb;
} else {
x1wa+=x1wb;
y1wa+=y1wb;
}
}
Free(s2w);
mp.strip_width[Gs->num]=strip_width;
LBtr(&mp.update_not_done_flags,Gs->num);
}
U0 APEagleDiveTask(CTask *master_task)
{
CDC *dc=DCAlias(main_dc,master_task);
Preempt(ON);
while (!mp.app_done) {
while (!Bt(&mp.update_not_done_flags,Gs->num) && !mp.app_done)
Sleep(1);
if (!mp.app_done)
MPDrawIt(master_task,dc);
}
//We made an alias of this we don't want freed.
dc->depth_buf=NULL;
DCDel(dc);
LBtr(&mp.app_not_done_flags,Gs->num);
}
U0 DrawHorizon(CDC *dc)
{
I64 x1,y1,z1,x2,y2,z2,xh,yh,zh,*s2w=GrIdentNew,
cx=Fs->pix_width>>1,
cy=Fs->pix_height>>1;
CD3I32 p[4];
I32 *old_db=dc->depth_buf;
dc->depth_buf=NULL;
GrIdentEqu(dc->r);
GrRotZEqu(dc->r,é2);
GrRotXEqu(dc->r,è);
GrRotZEqu(dc->r,é1);
GrSetRotMat(dc,dc->r);
dc->flags&=~DCF_TRANSFORMATION;
dc->transform=&FSTransform;
dc->x=cx;
dc->y=cy;
GrRotZEqu(s2w,-é1);
GrRotXEqu(s2w,-è);
GrRotZEqu(s2w,-é2);
xh=0;
yh=0;
zh=-256;
GrRot(s2w,&xh,&yh,&zh);
Free(s2w);
x1=xh+yh*32; y1=yh-xh*32; z1=0;
(*dc->transform)(dc,&x1,&y1,&z1);
x2=xh-yh*32; y2=yh+xh*32; z2=0;
(*dc->transform)(dc,&x2,&y2,&z2);
DCClipLine(dc,&x1,&y1,&x2,&y2);
MemSet(p,0,sizeof(p));
if (x2<x1) {
SwapU64(&x1,&x2);
SwapU64(&y1,&y2);
}
if (!x1 && x2==dc->width-1) {
p[0].x=0;
p[0].y=0;
p[1].x=dc->width-1;
p[1].y=0;
p[2].x=dc->width-1;
p[2].y=y2;
p[3].x=0;
p[3].y=y1;
if (-ã/2<=é1<ã/2 ^^ -ã/2<=Wrap(è-ã/2)<ã/2)
dc->color=LTCYAN;
else
dc->color=LTGREEN;
GrFillPoly3(dc,4,p);
p[0].y=dc->height-1;
p[1].y=dc->height-1;
if (-ã/2<=é1<ã/2 ^^ -ã/2<=Wrap(è-ã/2)<ã/2)
dc->color=LTGREEN;
else
dc->color=LTCYAN;
GrFillPoly3(dc,4,p);
} else {
if (y2<y1) {
SwapU64(&x1,&x2);
SwapU64(&y1,&y2);
}
if (!y1 && y2==dc->height-1) {
p[0].x=0;
p[0].y=0;
p[1].x=0;
p[1].y=dc->height-1;
p[2].x=x2;
p[2].y=dc->height-1;
p[3].x=x1;
p[3].y=0;
if (x1<x2 ^^ -ã/2<=é1<ã/2 ^^ -ã/2<=Wrap(è-ã/2)<ã/2)
dc->color=LTCYAN;
else
dc->color=LTGREEN;
GrFillPoly3(dc,4,p);
p[0].x=dc->width-1;
p[1].x=dc->width-1;
if (x1<x2 ^^ -ã/2<=é1<ã/2 ^^ -ã/2<=Wrap(è-ã/2)<ã/2)
dc->color=LTGREEN;
else
dc->color=LTCYAN;
GrFillPoly3(dc,4,p);
}
}
dc->depth_buf=old_db;
}
U0 BSPEagleDive()
{
CDC *dc=DCAlias(main_dc,Fs);
I64 i,xx,yy,height,bkcolor,
cx=Fs->pix_width>>1,
cy=Fs->pix_height>>1;
F64 min_strip_width;
Fish *tempf;
update_jiffy_limit=sys_jiffies+JIFFY_FREQ/40;
MemSet(panels_processed_bitmap,0,(num_panels+7)>>3);
xx=x/(MAP_SCALE*COORDINATE_SCALE);
yy=y/(MAP_SCALE*COORDINATE_SCALE);
height=z/COORDINATE_SCALE-elevations[yy][xx];
if (height<0) {
if (elevations[yy][xx]>WATER_ELEVATION*MAP_SCALE) {
dc->color=bkcolor=BLACK;
if (!game_over) {
GrRect(dc,0,0,dc->width,dc->height);
music_mute=TRUE;
Beep;
game_over=TRUE;
music_mute=FALSE;
}
} else
bkcolor=BLUE;
} else
bkcolor=LTCYAN;
if (height>=0 && !(-ã/4<=Wrap(è-ã)<ã/4)) {
DrawHorizon(dc);
DCDepthBufRst(dc);
mp.update_not_done_flags=1<<mp.mp_cnt-1;
MPDrawIt(Fs,dc);
xx=x/COORDINATE_SCALE;
yy=y/COORDINATE_SCALE;
tempf=fish_root.next;
while (tempf!=&fish_root) {
if (SqrI64(tempf->p.x-xx)+SqrI64(tempf->p.y-yy)<MAP_SCALE*MAP_SCALE*20*20)
Sprite3(dc,tempf->p.x,tempf->p.y,tempf->p.z,$IB,"<1>",BI=1$);
tempf=tempf->next;
}
while (mp.update_not_done_flags)
Sleep(1);
min_strip_width=MAX_F64;
for (i=0;i<mp.mp_cnt;i++)
min_strip_width=Min(min_strip_width,32.0*mp.strip_width[i]/(i+32.0));
strip_height=ClampI64(strip_height*Clamp(0.25*min_strip_width/strip_height,0.9,1.1),64,1024);
} else {
dc->color=bkcolor;
GrRect(dc,0,0,dc->width,dc->height);
}
dc->pen_width=2;
if (bkcolor==BLUE)
dc->color=WHITE;
else
dc->color=BLACK;
dc->flags&=~DCF_TRANSFORMATION;
GrLine3(dc,cx+5,cy,0,cx-5,cy,0);
GrLine3(dc,cx,cy+5,0,cx,cy-5,0);
GrPrint(dc,0,0,"é1:%5.1f è:%5.1f é2:%5.1f Strip:%5d",
é1*180/ã,è*180/ã,é2*180/ã,strip_height);
GrPrint(dc,0,FONT_HEIGHT,"x:%5.1f y:%5.1f z:%5.1f height:%3d score:%d high:%d",
ToF64(x)/COORDINATE_SCALE,ToF64(y)/COORDINATE_SCALE,ToF64(z)/COORDINATE_SCALE,
height,game_score,best_score);
if (game_over && Blink) {
dc->color=RED;
GrPrint(dc,(Fs->pix_width-9*FONT_WIDTH)/2,
(Fs->pix_height-FONT_HEIGHT)/2,"Game Over");
} else if (tS-game_t0<5.0 && Blink) {
dc->color=WHITE;
GrPrint(dc,(Fs->pix_width-10*FONT_WIDTH)/2,
(Fs->pix_height-FONT_HEIGHT)/2,"Catch Fish");
}
//We made an alias of this we don't want freed.
dc->depth_buf=NULL;
DCDel(dc);
WinMgrSync;
}
#define ANIMATE_MS 10
U0 AnimateTask(I64)
{
//This just steadily moves the airplane fwd.
I64 *s2w,x1,y1,z1;
F64 t0=tS,mS;
Fish *tempf,*tempf1;
while (TRUE) {
mS=1000*(tS-t0);
t0=tS;
if (!game_over) {
//Screen to world coordinates
s2w=GrIdentNew;
GrRotZEqu(s2w,-é1);
GrRotXEqu(s2w,-è);
GrRotZEqu(s2w,-é2);
x1=0;y1=0;z1=-speed*mS*COORDINATE_SCALE;
GrRot(s2w,&x1,&y1,&z1);
x+=x1;
y+=y1;
z+=z1;
Free(s2w);
x1=x/COORDINATE_SCALE; y1=y/COORDINATE_SCALE; z1=z/COORDINATE_SCALE;
if (z1<WATER_ELEVATION*MAP_SCALE) {
speed=0.5;
tempf=fish_root.next;
while (tempf!=&fish_root) {
tempf1=tempf->next;
if (SqrI64(tempf->p.x-x1)+SqrI64(tempf->p.y-y1)<MAP_SCALE*MAP_SCALE*5*5) {
game_score++;
if (game_score>best_score)
best_score=game_score;
QueRem(tempf);
Free(tempf);
music_mute=TRUE;
Snd(1000); Sleep(200); Snd(0);
music_mute=FALSE;
}
tempf=tempf1;
}
} else {
if (-ã/4<=è<=ã/4)
speed+=0.0005;
else if (-3*ã/4<=è<=3*ã/4)
speed+=0.0001;
else
speed-=0.0001;
speed=Clamp(speed+(0.0005-0.0002*Abs(è)/(ã/4)),0.1,5.0);
}
}
WinMgrSync;
}
}
U0 MPEnd()
{
update_jiffy_limit=0;
mp.app_not_done_flags=1<<mp.mp_cnt-1-1;
mp.app_done=TRUE;
//Wait for all cores to exit
while (mp.app_not_done_flags)
Sleep(1);
}
U0 TaskEndCB()
{
MPEnd;
Exit;
}
U0 SongTask(I64)
{ //Song by Terry A. Davis
#ifaot
Fs->task_end_cb=HashVal(HashFind("SndTaskEndCB",Fs->hash_table,HTT_FUN));
#else
Fs->task_end_cb=&SndTaskEndCB;
#endif
MusicSettingsRst;
music_stacatto_factor=0.2;
while (TRUE) {
Play("3eBDEDBDEDFEEDFEED");
Play("BDEDBDEDFEEDFEED");
}
}
U0 Init(I64 _mp_cnt)
{
I64 i;
main_dc=DCNew(GR_WIDTH,GR_HEIGHT);
critical_section_flag=0;
game_over=FALSE;
game_score=0;
MemSet(&mp,0,sizeof(MPCtrl));
if (_mp_cnt<=mp_cnt)
mp.mp_cnt=_mp_cnt;
else
mp.mp_cnt=mp_cnt;
QueInit(&fish_root);
InitMap;
DCAllocDepthBuf(main_dc);
Fs->win_max_refresh=30.0;
strip_height=128;
è =-90.0*ã/180.0;
é1= 0.0*ã/180.0;
é2= 0.0*ã/180.0;
speed = 2.5;
x=MAP_WIDTH>>1 *COORDINATE_SCALE*MAP_SCALE;
y=MAP_HEIGHT>>1*COORDINATE_SCALE*MAP_SCALE;
z=64 *COORDINATE_SCALE*MAP_SCALE;
for (i=1;i<mp.mp_cnt;i++)
Spawn(&APEagleDiveTask,Fs,"AP EagleDive",i);
Fs->task_end_cb=&TaskEndCB;
game_t0=tS;
}
U0 CleanUp()
{
Fish *tempf=fish_root.next,*tempf1;
Panel *tempp=panel_root,*tempp1;
MPEnd;
while (tempf!=&fish_root) {
tempf1=tempf->next;
QueRem(tempf);
Free(tempf);
tempf=tempf1;
}
while (tempp) {
tempp1=tempp->next;
Free(tempp->pts);
Free(tempp);
tempp=tempp1;
}
Free(panels_processed_bitmap);
DCDel(main_dc);
}
U0 EagleDive(I64 _mp_cnt=MP_MAX_PROCESSORS)
{
I64 ch,sc;
F64 pp,tt1,tt2;
SettingsPush; //See $LK,"SettingsPush",A="MN:SettingsPush"$
//We really can't afford to run at 60Hz. This is how often VGA
//memory is updated, not related to actual hardware refresh rates.
WordStat;
MenuPush(
"File {"
" Abort(,CH_SHIFT_ESC);"
" Exit(,CH_ESC);"
"}"
"Play {"
" Restart(,'\n');"
" Down(,,SC_CURSOR_UP);"
" Up(,,SC_CURSOR_DOWN);"
" Left(,,SC_CURSOR_LEFT);"
" Right(,,SC_CURSOR_RIGHT);"
"}"
);
WinMax;
WinBorder;
"Initializing...\n";
Fs->song_task=Spawn(&SongTask,NULL,"Song",,Fs);
Init(_mp_cnt);
Fs->animate_task=Spawn(&AnimateTask,NULL,"Animate",,Fs);
DocCursor;
DocClear;
Fs->draw_it=&DrawIt;
try //in case <CTRL-ALT-C> is pressed.
do {
if (ScanKey(&ch,&sc)) {
pp=è; tt1=é1; tt2=é2;
switch (ch) {
case 0:
switch (sc.u8[0]) {
case SC_CURSOR_DOWN:
è +=-CTRLS_SCALE*Cos(tt1);
é2+=-CTRLS_SCALE*Sin(tt1)*Sin(è);
break;
case SC_CURSOR_UP:
è -=-CTRLS_SCALE*Cos(tt1);
é2-=-CTRLS_SCALE*Sin(tt1)*Sin(è);
break;
case SC_CURSOR_RIGHT:
é1+=CTRLS_SCALE;
break;
case SC_CURSOR_LEFT:
é1-=CTRLS_SCALE;
break;
}
break;
case '\n':
Fs->draw_it=NULL;
CleanUp;
WinMgrSync;
Init(_mp_cnt);
Fs->draw_it=&DrawIt;
break;
}
é1=Wrap(é1);
è =Wrap(è);
é2=Wrap(é2);
} else
BSPEagleDive;
} while (ch!=CH_SHIFT_ESC && ch!=CH_ESC);
catch
PutExcept;
SettingsPop;
CleanUp;
#ifjit
AcctRegWriteBranch("TempleOS/EagleDive","I64 best_score=%d;\n",best_score);
#endif
MenuPop;
}
EagleDive;
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