Few additions to fakemeta:

Implemented amb632 - lookup_sequence, also added set_controller (since it dealt with models).

Implemented set_pev_string, for setting with an already allocated string handle.  Also added pev_serial, to get the entity serial number.
This commit is contained in:
Steve Dudenhoeffer 2007-07-24 06:05:43 +00:00
parent 2cbf7fca08
commit a28a80e45f
3 changed files with 277 additions and 11 deletions

View File

@ -1,4 +1,5 @@
#include "fakemeta_amxx.h"
#include <studio.h> // HLSDK, for the animation natives
static cell AMX_NATIVE_CALL copy_infokey_buffer(AMX *amx, cell *params)
{
@ -7,7 +8,154 @@ static cell AMX_NATIVE_CALL copy_infokey_buffer(AMX *amx, cell *params)
return MF_SetAmxString(amx, params[2], infobuffer, params[3]);
}
int UTIL_stricmp(const char *s1, const char *s2)
{
unsigned char c1, c2;
for (;;) {
c1 = *s1++;
c2 = *s2++;
if (!c1 || !c2)
break;
if (c1 == c2)
continue;
if ((c1 = tolower(c1)) != (c2 = tolower(c2)))
break;
}
return (int)c1 - (int)c2;
}
// lookup_sequence(entid, "sequence name", &Float:framerate = 0.0, &bool:loops = false, &Float:groundspeed = 0.0);
static cell AMX_NATIVE_CALL lookup_sequence(AMX* amx, cell* params)
{
int index = params[1];
CHECK_ENTITY(index);
edict_t* ent = INDEXENT(index);
studiohdr_t* pstudiohdr = static_cast<studiohdr_t*>(GET_MODEL_PTR(ent));
if (pstudiohdr == NULL)
{
MF_LogError(amx, AMX_ERR_NATIVE, "Could not retrieve the model pointer from the entity provided.");
return 0;
}
mstudioseqdesc_t* pseqdesc;
pseqdesc = reinterpret_cast<mstudioseqdesc_t*>(
reinterpret_cast<char*>(pstudiohdr) + pstudiohdr->seqindex);
char* label = MF_GetAmxString(amx, params[2], 0, NULL);
for (int i = 0; i < pstudiohdr->numseq; i++)
{
if (UTIL_stricmp( pseqdesc[i].label, label ) == 0)
{
REAL* FrameRate = reinterpret_cast<REAL*>(MF_GetAmxAddr(amx, params[3]));
cell* Loops = MF_GetAmxAddr(amx, params[4]);
REAL* GroundSpeed = reinterpret_cast<REAL*>(MF_GetAmxAddr(amx, params[5]));
// Taken from HLSDK: animation & animating.cpp
pseqdesc = &pseqdesc[i];
*FrameRate = 256 * pseqdesc->fps / (pseqdesc->numframes - 1);
*GroundSpeed = sqrt( pseqdesc->linearmovement[0]*pseqdesc->linearmovement[0]+ pseqdesc->linearmovement[1]*pseqdesc->linearmovement[1]+ pseqdesc->linearmovement[2]*pseqdesc->linearmovement[2] );
*GroundSpeed = *GroundSpeed * pseqdesc->fps / (pseqdesc->numframes - 1);
*Loops = pseqdesc->flags & STUDIO_LOOPING;
return i;
}
}
return -1;
};
// Float:set_controller(entid, controllerid, Float:value);
static cell AMX_NATIVE_CALL set_controller(AMX* amx, cell* params)
{
// From animation.cpp from the HLSDK
// SetController( void *pmodel, entvars_t *pev, int iController, float flValue )
int entindex = params[1];
CHECK_ENTITY(entindex);
edict_t* entity = INDEXENT(entindex);
int iController = params[2];
if (iController < 0 || iController > 3)
{
MF_LogError(amx, AMX_ERR_NATIVE, "Invalid controller id passed. Expected 0 through 3, got %d.", iController);
return 0;
}
entvars_t* pev = &entity->v;
float flValue = amx_ctof(params[3]);
studiohdr_t* pstudiohdr = static_cast<studiohdr_t*>(GET_MODEL_PTR(entity));
if (! pstudiohdr)
{
MF_LogError(amx, AMX_ERR_NATIVE, "Could not find the model pointer for the entity.");
return amx_ftoc(flValue);
}
mstudiobonecontroller_t *pbonecontroller = (mstudiobonecontroller_t *)((byte *)pstudiohdr + pstudiohdr->bonecontrollerindex);
int i = 0;
// find first controller that matches the index
for (i = 0; i < pstudiohdr->numbonecontrollers; i++, pbonecontroller++)
{
if (pbonecontroller->index == iController)
break;
}
if (i >= pstudiohdr->numbonecontrollers)
return amx_ftoc(flValue);
// wrap 0..360 if it's a rotational controller
if (pbonecontroller->type & (STUDIO_XR | STUDIO_YR | STUDIO_ZR))
{
// ugly hack, invert value if end < start
if (pbonecontroller->end < pbonecontroller->start)
flValue = -flValue;
// does the controller not wrap?
if (pbonecontroller->start + 359.0 >= pbonecontroller->end)
{
if (flValue > ((pbonecontroller->start + pbonecontroller->end) / 2.0) + 180)
flValue = flValue - 360;
if (flValue < ((pbonecontroller->start + pbonecontroller->end) / 2.0) - 180)
flValue = flValue + 360;
}
else
{
if (flValue > 360)
flValue = flValue - (int)(flValue / 360.0) * 360.0;
else if (flValue < 0)
flValue = flValue + (int)((flValue / -360.0) + 1) * 360.0;
}
}
int setting = static_cast<int>(255 * (flValue - pbonecontroller->start) / (pbonecontroller->end - pbonecontroller->start));
if (setting < 0) setting = 0;
if (setting > 255) setting = 255;
pev->controller[iController] = setting;
return amx_ftoc(setting * (1.0 / 255.0) * (pbonecontroller->end - pbonecontroller->start) + pbonecontroller->start);
}
AMX_NATIVE_INFO misc_natives[] = {
{ "copy_infokey_buffer", copy_infokey_buffer },
{ "lookup_sequence", lookup_sequence },
{ "set_controller", set_controller },
{NULL, NULL},
};

View File

@ -398,6 +398,45 @@ static cell AMX_NATIVE_CALL amx_set_pev(AMX *amx, cell *params)
return 0;
}
static cell AMX_NATIVE_CALL amx_set_pev_string(AMX *amx, cell *params)
{
// index, pevdata
int index = params[1];
CHECK_ENTITY(index);
edict_t *pEdict = INDEXENT2(index);
int iSwitch = params[2];
//onto normal cases - sanity check
if (iSwitch <= pev_string_start || iSwitch >= pev_absolute_end)
{
MF_LogError(amx, AMX_ERR_NATIVE, "Undefined pev index: %d", iSwitch);
return 0;
}
int offs = g_offset_table[iSwitch];
//sanity check #2
if (offs == -1)
{
MF_LogError(amx, AMX_ERR_NATIVE, "Undefined pev index: %d", iSwitch);
return 0;
}
entvars_t *v = &(pEdict->v);
if ( (iSwitch > pev_string_start && iSwitch < pev_string_end)
|| (iSwitch > pev_string2_begin && iSwitch < pev_string2_end) )
{
*(string_t *)EDICT_OFFS(v, offs) = params[3];
}
else
{
MF_LogError(amx, AMX_ERR_NATIVE, "Non-string field passed to set_pev_string!");
return 0;
}
return 0;
}
static cell AMX_NATIVE_CALL amx_pev_valid(AMX *amx, cell *params)
{
@ -413,10 +452,20 @@ static cell AMX_NATIVE_CALL amx_pev_valid(AMX *amx, cell *params)
return 1;
}
static cell AMX_NATIVE_CALL amx_pev_serial(AMX* amx, cell* params)
{
int id = static_cast<int>(params[1]);
CHECK_ENTITY(id);
edict_t* ent = INDEXENT(id);
return ent->serialnumber;
}
AMX_NATIVE_INFO pev_natives[] = {
{ "pev", amx_pev },
{ "set_pev", amx_set_pev },
{ "set_pev_string", amx_set_pev_string },
{ "pev_valid", amx_pev_valid },
{ "pev_serial", amx_pev_serial },
{NULL, NULL},
};

View File

@ -21,26 +21,72 @@
#pragma library fakemeta
#endif
/* Returns entvar data from an entity Use the pev_* enum to specify which form of data you want returned.
/**
* Returns entvar data from an entity. Use the pev_* enum (in fakemeta_const.inc) to specify which data you want retrieved.
*
* If retrieving strings, you may optionally get a pointer into the global string table. Depending on
* your situation, there are two ways to do this.
* 1: This simply gets the pointer.
* new ptr = pev(entid, pev_classname)
* 2: The pointer will be stored in ptr AND the actual string is retrieved.
* new ptr, classname[32]
* pev(entid, pev_classname, ptr, classname, 31)
* @note This function uses "read_data" style data syntax. It returns integer values,
* by-references float data, and sets a buffer for string data.
*
* @note If retrieving strings, you may optionally get a pointer into the global string table. Depending on
* your situation, there are two ways to do this.
* 1: This simply gets the pointer.
* new ptr = pev(entid, pev_classname)
* 2: The pointer will be stored in ptr AND the actual string is retrieved.
* new ptr, classname[32]
* pev(entid, pev_classname, ptr, classname, 31)
*
* @param _index The entity index to lookup.
* @param _value The pev field to lookup (look in fakemeta_const.inc)
*/
native pev(_index,_value,any:...);
/* Sets entvar data for an entity. Use the pev_* enum */
/**
* Sets entvar data for an entity. Use the pev_* enum from fakemeta_const.inc for reference.
*
* @note Setting string data will automatically allocate a new string (via AllocString)
* If you have a string already allocated with your own call to AllocString, use
* set_pev_string_ptr instead.
*
* @param _index The entity index to set the value on.
* @param _value The pev field to set, (look in fakemeta_const.inc)
*/
native set_pev(_index,_value,any:...);
/* returns 0 if ent is invalid, >0 if valid
* (1 == valid, 2 == valid+pvPrivateData valid)
/**
* Use this native to set a pev field to a string that is already allocated (via a function such
* as EngFunc_AllocString).
*
* @note If you specify _value as anything other than string fields, an error will be thrown.
* @note Pass 0 as the _string field to set it to an empty string.
*
* @param _index The entity index to set the value on.
* @param _value The pev field to set - MUST be a string field.
* @param _string The string handle, retrieved from places like AllocString.
*/
native set_pev_string(_index, _value, _string)
/**
* Checks the validity of an entity.
*
* @param entindex The entity id to check.
*
* @return 0 on invalid entity
* 1 on entity is valid
* 2 on entity is valid and it has private data (safe to use pdata natives on).
*/
native pev_valid(entindex);
/**
* Returns the serial number for each entity. The serial number is a unique identity
* generated when an entity is created.
*
* @param entindex The entity id.
*
* @return The serial number for the entity.
*/
native pev_serial(entindex);
/* Returns any global variable inside globalvars_t structure. Use the glb_* enum.
*
* When returning data from glb_pStringBase (the global string table), you may give a pointer into that table
@ -168,3 +214,26 @@ native set_pdata_string(entity, offset, const source[], realloc=2, linux=-5);
// Copies the given infoBuffer pointer into out[]
// An infoBuffer pointer is returned by EngFunc_GetInfoKeyBuffer
native copy_infokey_buffer(infoBuffer, out[], maxlen);
/**
* Looks up the sequence for the entity.
*
* @param entity The entity id to lookup.
* @param name The sequence name to lookup, case insensitive. ("JUMP" would match "jump")
* @param framerate The framerate of the sequence, if found.
* @param loops Whether or not the sequence loops.
* @param groundspeed The groundspeed setting of the sequence.
* @return -1 on failed lookup, the sequence number on successful lookup.
*/
native lookup_sequence(entity, const name[], &Float:framerate = 0.0, &bool:loops = false, &Float:groundspeed = 0.0)
/**
* Sets a bone controller with the specified value.
*
* @param entity The entity id to set the value on.
* @param controller Which controller to set (0 through 3).
* @param value The value to set it to.
* @return The percentage that the controller is extended (0.0 through 1.0)
*/
native Float:set_controller(entity, controller, Float:value)