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Added an option to A_Check[SightOr]Range to be able to perform a 2D-based distance check.

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This commit is contained in:
Blue-Shadow 2015-01-01 22:16:51 +03:00
parent 26cf383ead
commit ba3988290c
2 changed files with 17 additions and 13 deletions
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26
src/thingdef/thingdef_codeptr.cpp
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@ -2613,7 +2613,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CheckSight)
// Useful for maps with many multi-actor special effects.
//
//===========================================================================
static bool DoCheckSightOrRange(AActor *self, AActor *camera, double range)
static bool DoCheckSightOrRange(AActor *self, AActor *camera, double range, bool twodi)
{
if (camera == NULL)
{
@ -2636,8 +2636,9 @@ static bool DoCheckSightOrRange(AActor *self, AActor *camera, double range)
{
dz = 0;
}
if ((dx*dx) + (dy*dy) + (dz*dz) <= range)
{ // Within range
double distance = (dx * dx) + (dy * dy) + (twodi == 0? (dz * dz) : 0);
if (distance <= range){
// Within range
return true;
}
@ -2651,9 +2652,10 @@ static bool DoCheckSightOrRange(AActor *self, AActor *camera, double range)
DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CheckSightOrRange)
{
ACTION_PARAM_START(2);
ACTION_PARAM_START(3);
double range = EvalExpressionF(ParameterIndex+0, self);
ACTION_PARAM_STATE(jump, 1);
ACTION_PARAM_BOOL(twodi, 2);
ACTION_SET_RESULT(false); // Jumps should never set the result for inventory state chains!
@ -2663,13 +2665,13 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CheckSightOrRange)
if (playeringame[i])
{
// Always check from each player.
if (DoCheckSightOrRange(self, players[i].mo, range))
if (DoCheckSightOrRange(self, players[i].mo, range, twodi))
{
return;
}
// If a player is viewing from a non-player, check that too.
if (players[i].camera != NULL && players[i].camera->player == NULL &&
DoCheckSightOrRange(self, players[i].camera, range))
DoCheckSightOrRange(self, players[i].camera, range, twodi))
{
return;
}
@ -2684,7 +2686,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CheckSightOrRange)
// Jumps if this actor is out of range of all players.
//
//===========================================================================
static bool DoCheckRange(AActor *self, AActor *camera, double range)
static bool DoCheckRange(AActor *self, AActor *camera, double range, bool twodi)
{
if (camera == NULL)
{
@ -2704,7 +2706,8 @@ static bool DoCheckRange(AActor *self, AActor *camera, double range)
else{
dz = 0;
}
if ((dx*dx) + (dy*dy) + (dz*dz) <= range){
double distance = (dx * dx) + (dy * dy) + (twodi == 0? (dz * dz) : 0);
if (distance <= range){
// Within range
return true;
}
@ -2713,9 +2716,10 @@ static bool DoCheckRange(AActor *self, AActor *camera, double range)
DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CheckRange)
{
ACTION_PARAM_START(2);
ACTION_PARAM_START(3);
double range = EvalExpressionF(ParameterIndex+0, self);
ACTION_PARAM_STATE(jump, 1);
ACTION_PARAM_BOOL(twodi, 2);
ACTION_SET_RESULT(false); // Jumps should never set the result for inventory state chains!
@ -2725,13 +2729,13 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CheckRange)
if (playeringame[i])
{
// Always check from each player.
if (DoCheckRange(self, players[i].mo, range))
if (DoCheckRange(self, players[i].mo, range, twodi))
{
return;
}
// If a player is viewing from a non-player, check that too.
if (players[i].camera != NULL && players[i].camera->player == NULL &&
DoCheckRange(self, players[i].camera, range))
DoCheckRange(self, players[i].camera, range, twodi))
{
return;
}

4
wadsrc/static/actors/actor.txt
View file

@ -328,8 +328,8 @@ ACTOR Actor native //: Thinker
action native A_SetRipMin(int min);
action native A_SetRipMax(int max);
action native A_CheckSightOrRange(float distance, state label);
action native A_CheckRange(float distance, state label);
action native A_CheckSightOrRange(float distance, state label, bool two_dimension = false);
action native A_CheckRange(float distance, state label, bool two_dimension = false);
action native A_RearrangePointers(int newtarget, int newmaster = AAPTR_DEFAULT, int newtracer = AAPTR_DEFAULT, int flags=0);
action native A_TransferPointer(int ptr_source, int ptr_recepient, int sourcefield, int recepientfield=AAPTR_DEFAULT, int flags=0);