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- consolidation of Blood rotation code.

Browse source 
24x the same pattern merged into a subfunction.
This commit is contained in:
Christoph Oelckers 2022-09-03 11:54:01 +02:00
parent b5c679f228
commit 39109de22f
10 changed files with 159 additions and 268 deletions
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1
source/games/blood/src/actor.h
View file

@ -241,4 +241,5 @@ void actBuildMissile(DBloodActor* spawned, DBloodActor* actor);
extern const int16_t DudeDifficulty[];
END_BLD_NS

44
source/games/blood/src/aibat.cpp
View file

@ -319,18 +319,13 @@ static void batMoveForward(DBloodActor* actor)
int nDist = approxDist(dvec);
if ((unsigned int)Random(64) < 32 && nDist <= 0x200)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
if (actor->GetTarget() == nullptr)
t1 += nAccel;
else
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
if (actor->GetTarget() == nullptr)
t1 += FixedToFloat(nAccel);
else
t1 += FixedToFloat(nAccel * 0.5);
});
}
static void batMoveSwoop(DBloodActor* actor)
@ -350,15 +345,10 @@ static void batMoveSwoop(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Chance(0x600) && nDist <= 0x200)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel) * 0.5;
});
actor->set_int_bvel_z(0x44444);
}
@ -379,15 +369,9 @@ static void batMoveFly(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Chance(0x4000) && nDist <= 0x200)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel) * 0.5;
});
actor->set_int_bvel_z(-0x2d555);
}

44
source/games/blood/src/aibeast.cpp
View file

@ -422,18 +422,12 @@ static void sub_628A0(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Random(64) < 32 && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
if (actor->GetTarget() == nullptr)
t1 += nAccel;
else
t1 += nAccel >> 2;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
if (actor->GetTarget() == nullptr)
t1 += FixedToFloat(nAccel);
else
t1 += FixedToFloat(nAccel * 0.25);
});
}
static void sub_62AE0(DBloodActor* actor)
@ -458,15 +452,10 @@ static void sub_62AE0(DBloodActor* actor)
int dz = z2 - z;
if (Chance(0x600) && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel);
});
actor->set_int_bvel_z(-dz);
}
@ -492,15 +481,10 @@ static void sub_62D7C(DBloodActor* actor)
int dz = (z2 - z) << 3;
if (Chance(0x4000) && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel * 0.5);
});
actor->set_int_bvel_z(dz);
}

45
source/games/blood/src/aiboneel.cpp
View file

@ -331,18 +331,13 @@ static void eelMoveForward(DBloodActor* actor)
int nDist = approxDist(dvec);
if (nDist <= 0x399)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
if (actor->GetTarget() == nullptr)
t1 += nAccel;
else
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
if (actor->GetTarget() == nullptr)
t1 += FixedToFloat(nAccel);
else
t1 += FixedToFloat(nAccel * 0.5);
});
}
static void eelMoveSwoop(DBloodActor* actor)
@ -359,15 +354,10 @@ static void eelMoveSwoop(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Chance(0x8000) && nDist <= 0x399)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel * 0.5);
});
actor->set_int_bvel_z(0x22222);
}
@ -385,15 +375,10 @@ static void eelMoveAscend(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Chance(0x4000) && nDist <= 0x399)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel * 0.5);
});
actor->set_int_bvel_z(-0x8000);
}

45
source/games/blood/src/aicaleb.cpp
View file

@ -290,18 +290,13 @@ static void sub_65D04(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Random(64) < 32 && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
if (actor->GetTarget() == nullptr)
t1 += nAccel;
else
t1 += nAccel >> 2;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
if (actor->GetTarget() == nullptr)
t1 += FixedToFloat(nAccel);
else
t1 += FixedToFloat(nAccel * 0.25);
});
}
static void sub_65F44(DBloodActor* actor)
@ -327,15 +322,10 @@ static void sub_65F44(DBloodActor* actor)
int dz = z2 - z;
if (Chance(0x600) && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel);
});
actor->set_int_bvel_z(-dz);
}
@ -362,15 +352,10 @@ static void sub_661E0(DBloodActor* actor)
int dz = (z2 - z) << 3;
if (Chance(0x4000) && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel * 0.5);
});
actor->set_int_bvel_z(dz);
}

94
source/games/blood/src/aigarg.cpp
View file

@ -532,18 +532,13 @@ static void gargMoveForward(DBloodActor* actor)
int nDist = approxDist(dvec);
if ((unsigned int)Random(64) < 32 && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
if (actor->GetTarget() == nullptr)
t1 += nAccel;
else
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
if (actor->GetTarget() == nullptr)
t1 += FixedToFloat(nAccel);
else
t1 += FixedToFloat(nAccel * 0.5);
});
}
static void gargMoveSlow(DBloodActor* actor)
@ -566,16 +561,11 @@ static void gargMoveSlow(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Chance(0x600) && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 = nAccel >> 1;
t2 >>= 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel * 0.5);
t2 *= 0.5;
});
switch (actor->spr.type) {
case kDudeGargoyleFlesh:
actor->set_int_bvel_z(0x44444);
@ -606,23 +596,19 @@ static void gargMoveSwoop(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Chance(0x600) && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
switch (actor->spr.type) {
case kDudeGargoyleFlesh:
actor->set_int_bvel_z(t1);
break;
case kDudeGargoyleStone:
actor->set_int_bvel_z(t1);
break;
}
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel * 0.5);
switch (actor->spr.type) {
case kDudeGargoyleFlesh:
actor->vel.Z = t1;
break;
case kDudeGargoyleStone:
actor->vel.Z = t1;
break;
}
});
}
static void gargMoveFly(DBloodActor* actor)
@ -645,23 +631,19 @@ static void gargMoveFly(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Chance(0x4000) && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
switch (actor->spr.type) {
case kDudeGargoyleFlesh:
actor->set_int_bvel_z(-t1);
break;
case kDudeGargoyleStone:
actor->set_int_bvel_z(-t1);
break;
}
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel * 0.5);
switch (actor->spr.type) {
case kDudeGargoyleFlesh:
actor->vel.Z = -t1;
break;
case kDudeGargoyleStone:
actor->vel.Z = -t1;
break;
}
});
}
END_BLD_NS

76
source/games/blood/src/aighost.cpp
View file

@ -428,18 +428,12 @@ static void ghostMoveForward(DBloodActor* actor)
int nDist = approxDist(dvec);
if ((unsigned int)Random(64) < 32 && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
if (actor->GetTarget() == nullptr)
t1 += nAccel;
else
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
if (actor->GetTarget() == nullptr)
t1 += FixedToFloat(nAccel);
else
t1 += FixedToFloat(nAccel * 0.5);
});
}
static void ghostMoveSlow(DBloodActor* actor)
@ -462,16 +456,10 @@ static void ghostMoveSlow(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Chance(0x600) && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 = nAccel >> 1;
t2 >>= 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel * 0.5);
t2 *= 0.5;
});
switch (actor->spr.type) {
case kDudePhantasm:
actor->set_int_bvel_z(0x44444);
@ -499,20 +487,14 @@ static void ghostMoveSwoop(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Chance(0x600) && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
switch (actor->spr.type) {
case kDudePhantasm:
actor->set_int_bvel_z(t1);
break;
}
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel * 0.5);
switch (actor->spr.type) {
case kDudePhantasm:
actor->vel.Z = t1;
break;
}
});
}
static void ghostMoveFly(DBloodActor* actor)
@ -535,20 +517,14 @@ static void ghostMoveFly(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Chance(0x4000) && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
switch (actor->spr.type) {
case kDudePhantasm:
actor->set_int_bvel_z(-t1);
break;
}
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel * 0.5);
switch (actor->spr.type) {
case kDudePhantasm:
actor->vel.Z = -t1;
break;
}
});
}
END_BLD_NS

45
source/games/blood/src/aigilbst.cpp
View file

@ -277,18 +277,13 @@ static void sub_6CB00(DBloodActor* actor)
int nDist = approxDist(dvec);
if (Random(64) < 32 && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
if (actor->GetTarget() == nullptr)
t1 += nAccel;
else
t1 += nAccel >> 2;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
if (actor->GetTarget() == nullptr)
t1 += FixedToFloat(nAccel);
else
t1 += FixedToFloat(nAccel * 0.25);
});
}
static void sub_6CD74(DBloodActor* actor)
@ -313,15 +308,10 @@ static void sub_6CD74(DBloodActor* actor)
int dz = z2 - z;
if (Chance(0x600) && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel);
});
actor->set_int_bvel_z(-dz);
}
@ -347,15 +337,10 @@ static void sub_6D03C(DBloodActor* actor)
int dz = (z2 - z) << 3;
if (Chance(0x4000) && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
t1 += FixedToFloat(nAccel * 0.5);
});
actor->set_int_bvel_z(dz);
}

19
source/games/blood/src/aiunicult.cpp
View file

@ -1126,18 +1126,13 @@ void aiGenDudeMoveForward(DBloodActor* actor)
int nDist = approxDist(dvec);
if ((unsigned int)Random(64) < 32 && nDist <= 0x400)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->int_vel().X;
int vy = actor->int_vel().Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
if (actor->GetTarget() == nullptr)
t1 += nAccel;
else
t1 += nAccel >> 1;
actor->set_int_bvel_x(DMulScale(t1, nCos, t2, nSin, 30));
actor->set_int_bvel_y(DMulScale(t1, nSin, -t2, nCos, 30));
AdjustVelocity(actor, ADJUSTER{
if (actor->GetTarget() == nullptr)
t1 += FixedToFloat(nAccel);
else
t1 += FixedToFloat(nAccel * 0.5);
});
}
else
{

14
source/games/blood/src/bloodactor.h
View file

@ -174,5 +174,19 @@ inline bool IsTargetTeammate(DBloodActor* pSource, DBloodActor* pTarget)
return IsTargetTeammate(pSourcePlayer, pTarget);
}
template<typename T>
void AdjustVelocity(DBloodActor *actor, T adjuster)
{
double nCos = actor->spr.angle.Cos();
double nSin = actor->spr.angle.Sin();
double t1 = actor->vel.X * nCos + actor->vel.Y * nSin;
double t2 = actor->vel.X * nSin - actor->vel.Y * nCos;
adjuster(actor, t1, t2);
actor->vel.X = t1 * nCos + t2 * nSin;
actor->vel.Y = t1 * nSin - t2 * nCos;
}
// just so we don't have to type this out several dozen times
#define ADJUSTER [=](DBloodActor* actor, double& t1, double& t2)
END_BLD_NS