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amxmodx/dlls/engine/engine.cpp

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#include "engine.h"
#include "amxmod_compat.h"
struct usercmd_s *g_cmd;
struct PlayerInfo plinfo[33];
struct GlobalInfo glinfo;
int g_CameraCount;
TraceResult g_tr;
#define BUFFERSIZE 1023
char g_buffer[BUFFERSIZE + 1];
void UTIL_SetSize(edict_t *pev, const Vector &vecMin, const Vector &vecMax)
{
SET_SIZE(ENT(pev), vecMin, vecMax);
}
edict_t *UTIL_FindEntityInSphere(edict_t *pStart, const Vector &vecCenter, float flRadius) {
if (!pStart) pStart = NULL;
pStart = FIND_ENTITY_IN_SPHERE(pStart, vecCenter, flRadius);
if (!FNullEnt(pStart)) return pStart;
return NULL;
}
static cell AMX_NATIVE_CALL register_think(AMX *amx, cell *params)
{
int len;
EntClass *p = new EntClass;
const char *clsname = MF_GetAmxString(amx, params[1], 0, &len);
p->Class.assign(clsname);
p->Forward = MF_RegisterSPForwardByName(amx, MF_GetAmxString(amx, params[2], 0, &len), FP_CELL, FP_DONE);
Thinks.push_back(p);
if (!g_pFunctionTable->pfnThink)
g_pFunctionTable->pfnThink=Think;
return p->Forward;
}
static cell AMX_NATIVE_CALL register_impulse(AMX *amx, cell *params)
{
int len;
Impulse *p = new Impulse;
p->Check = params[1];
p->Forward = MF_RegisterSPForwardByName(amx, MF_GetAmxString(amx, params[2], 0, &len), FP_CELL, FP_CELL, FP_DONE);
Impulses.push_back(p);
if (!g_pFunctionTable->pfnCmdStart)
g_pFunctionTable->pfnCmdStart=CmdStart;
return p->Forward;
}
static cell AMX_NATIVE_CALL register_touch(AMX *amx, cell *params)
{
int len;
char *Toucher = MF_GetAmxString(amx, params[1], 0, &len);
char *Touched = MF_GetAmxString(amx, params[2], 1, &len);
Touch *p = new Touch;
if (!strlen(Toucher) || strcmp(Toucher, "*")==0) {
p->Toucher.assign("");
} else {
p->Toucher.assign(Toucher);
}
if (!strlen(Touched) || strcmp(Touched, "*")==0) {
p->Touched.assign("");
} else {
p->Touched.assign(Touched);
}
p->Forward = MF_RegisterSPForwardByName(amx, MF_GetAmxString(amx, params[3], 2, &len), FP_CELL, FP_CELL, FP_DONE);
Touches.push_back(p);
if (!g_pFunctionTable->pfnTouch)
g_pFunctionTable->pfnTouch=pfnTouch;
return p->Forward;
}
static cell AMX_NATIVE_CALL halflife_time(AMX *amx, cell *params)
{
REAL fVal = gpGlobals->time;
return amx_ftoc(fVal);
}
//This is not exposed, and is only provided as a compatibility helper.
static cell AMX_NATIVE_CALL RadiusDamage_AMXMod(AMX *amx, cell *params)
{
int ent = params[1];
CHECK_ENTITY_SIMPLE(ent);
edict_t* pEntity = INDEXENT(ent);
float dmg = amx_ctof(params[2]);
cell *vInput = MF_GetAmxAddr(amx, params[3]);
float vOrig[3];
vOrig[0] = amx_ctof(vInput[0]);
vOrig[1] = amx_ctof(vInput[1]);
vOrig[2] = amx_ctof(vInput[2]);
float rad = amx_ctof(params[4]);
int bit = params[5];
int iLen;
char *vxWeapon = MF_GetAmxString(amx, params[6], 0, &iLen);
int hs = params[7];
RadiusDamage_AMXMod_Base(pEntity, dmg, vOrig, rad, bit, vxWeapon, hs);
return 1;
}
static cell AMX_NATIVE_CALL RadiusDamage_AMXModX(AMX *amx, cell *params)
{
cell *cAddr = MF_GetAmxAddr(amx,params[1]);
REAL fCurrentX = amx_ctof(cAddr[0]);
REAL fCurrentY = amx_ctof(cAddr[1]);
REAL fCurrentZ = amx_ctof(cAddr[2]);
int iDamageMultiplier = params[2];
int iRadiusMultiplier = params[3];
Vector vOrigin = Vector(fCurrentX, fCurrentY, fCurrentZ);
edict_t *pSearchEnt = NULL;
while((pSearchEnt = UTIL_FindEntityInSphere(pSearchEnt, vOrigin, 5 * iRadiusMultiplier)) != NULL) {
if(FStrEq(STRING(pSearchEnt->v.classname), "player")) {
if(pSearchEnt->v.takedamage != DAMAGE_NO) {
pSearchEnt->v.health -= 10 + RANDOM_FLOAT(0,1 * iDamageMultiplier);
if(pSearchEnt->v.health < 1) {
pSearchEnt->v.health = 1;
MDLL_ClientKill(pSearchEnt);
}
}
}
}
pSearchEnt = NULL;
while((pSearchEnt = UTIL_FindEntityInSphere(pSearchEnt, vOrigin, 4 * iRadiusMultiplier)) != NULL) {
if(FStrEq(STRING(pSearchEnt->v.classname), "player")) {
if(pSearchEnt->v.takedamage != DAMAGE_NO) {
pSearchEnt->v.health -= 25 + RANDOM_FLOAT(0,2 * iDamageMultiplier);
if(pSearchEnt->v.health < 1) {
pSearchEnt->v.health = 1;
MDLL_ClientKill(pSearchEnt);
}
}
}
}
pSearchEnt = NULL;
while((pSearchEnt = UTIL_FindEntityInSphere(pSearchEnt, vOrigin, 3 * iRadiusMultiplier)) != NULL) {
if(FStrEq(STRING(pSearchEnt->v.classname), "player")) {
if(pSearchEnt->v.takedamage != DAMAGE_NO) {
pSearchEnt->v.health -= 50 + RANDOM_FLOAT(0,3 * iDamageMultiplier);
if(pSearchEnt->v.health < 1) {
pSearchEnt->v.health = 1;
MDLL_ClientKill(pSearchEnt);
}
}
}
}
pSearchEnt = NULL;
while((pSearchEnt = UTIL_FindEntityInSphere(pSearchEnt, vOrigin, 2 * iRadiusMultiplier)) != NULL) {
if(FStrEq(STRING(pSearchEnt->v.classname), "player")) {
if(pSearchEnt->v.takedamage != DAMAGE_NO) MDLL_ClientKill(pSearchEnt);
}
}
return 1;
}
// RadiusDamage. Damages players within a certain radius. ToDo: add the
// damage messaging so players know where the damage is coming from
// (the red arrow-like things on the screen).
//(vexd)
static cell AMX_NATIVE_CALL RadiusDamage(AMX *amx, cell *params)
{
cell numParams = params[0] / sizeof(cell);
if (numParams == 3)
{
return RadiusDamage_AMXModX(amx, params);
} else if (numParams == 7) {
return RadiusDamage_AMXMod(amx, params);
}
return 0;
}
static cell AMX_NATIVE_CALL PointContents(AMX *amx, cell *params)
{
cell *cAddr = MF_GetAmxAddr(amx, params[1]);
REAL fX = amx_ctof(cAddr[0]);
REAL fY = amx_ctof(cAddr[1]);
REAL fZ = amx_ctof(cAddr[2]);
Vector vPoint = Vector(fX, fY, fZ);
return POINT_CONTENTS(vPoint);
}
static cell AMX_NATIVE_CALL trace_normal(AMX *amx, cell *params)
{
int iEnt = params[1];
cell *cStart = MF_GetAmxAddr(amx, params[2]);
cell *cEnd = MF_GetAmxAddr(amx, params[3]);
REAL fStartX = amx_ctof(cStart[0]);
REAL fStartY = amx_ctof(cStart[1]);
REAL fStartZ = amx_ctof(cStart[2]);
REAL fEndX = amx_ctof(cEnd[0]);
REAL fEndY = amx_ctof(cEnd[1]);
REAL fEndZ = amx_ctof(cEnd[2]);
cell *vRet = MF_GetAmxAddr(amx, params[4]);
Vector vStart = Vector(fStartX, fStartY, fStartZ);
Vector vEnd = Vector(fEndX, fEndY, fEndZ);
TraceResult tr;
TRACE_LINE(vStart, vEnd, dont_ignore_monsters, INDEXENT2(iEnt), &tr);
vRet[0] = amx_ftoc(tr.vecPlaneNormal.x);
vRet[1] = amx_ftoc(tr.vecPlaneNormal.y);
vRet[2] = amx_ftoc(tr.vecPlaneNormal.z);
if (tr.flFraction >= 1.0)
return 0;
return 1;
}
static cell AMX_NATIVE_CALL trace_line(AMX *amx, cell *params)
{
int iEnt = params[1];
cell *cStart = MF_GetAmxAddr(amx, params[2]);
cell *cEnd = MF_GetAmxAddr(amx, params[3]);
REAL fStartX = amx_ctof(cStart[0]);
REAL fStartY = amx_ctof(cStart[1]);
REAL fStartZ = amx_ctof(cStart[2]);
REAL fEndX = amx_ctof(cEnd[0]);
REAL fEndY = amx_ctof(cEnd[1]);
REAL fEndZ = amx_ctof(cEnd[2]);
cell *vRet = MF_GetAmxAddr(amx, params[4]);
Vector vStart = Vector(fStartX, fStartY, fStartZ);
Vector vEnd = Vector(fEndX, fEndY, fEndZ);
TraceResult tr;
if (iEnt == -1)
TRACE_LINE(vStart, vEnd, ignore_monsters, NULL, &tr);
else
TRACE_LINE(vStart, vEnd, dont_ignore_monsters, INDEXENT2(iEnt), &tr);
edict_t *pHit = tr.pHit;
vRet[0] = amx_ftoc(tr.vecEndPos.x);
vRet[1] = amx_ftoc(tr.vecEndPos.y);
vRet[2] = amx_ftoc(tr.vecEndPos.z);
if (FNullEnt(pHit))
return 0;
return ENTINDEX(pHit);
}
static cell AMX_NATIVE_CALL set_speak(AMX *amx, cell *params) {
int iIndex = params[1];
int iNewSpeakFlags = params[2];
if (iIndex > gpGlobals->maxClients || !MF_IsPlayerIngame(iIndex)) {
MF_LogError(amx, AMX_ERR_NATIVE, "Invalid player %d", iIndex);
return 0;
}
plinfo[iIndex].iSpeakFlags = iNewSpeakFlags;
return 1;
}
static cell AMX_NATIVE_CALL get_speak(AMX *amx, cell *params) {
int iIndex = params[1];
if (iIndex > gpGlobals->maxClients || !MF_IsPlayerIngame(iIndex)) {
MF_LogError(amx, AMX_ERR_NATIVE, "Invalid player %d", iIndex);
return 0;
}
return plinfo[iIndex].iSpeakFlags;
}
static cell AMX_NATIVE_CALL get_decal_index(AMX *amx, cell *params)
{
int len;
char *szDecal = MF_GetAmxString(amx, params[1], 0, &len);
return DECAL_INDEX(szDecal);
}
static cell AMX_NATIVE_CALL precache_event(AMX *amx, cell *params)
{
int len;
char *szEvent = MF_FormatAmxString(amx, params, 2, &len);
return PRECACHE_EVENT(params[1], (char *)STRING(ALLOC_STRING(szEvent)));
}
static cell AMX_NATIVE_CALL get_info_keybuffer(AMX *amx, cell *params)
{
int iEnt = params[1];
CHECK_ENTITY(iEnt);
edict_t *e = INDEXENT2(iEnt);
char *info = GETINFOKEYBUFFER(e);
return MF_SetAmxString(amx, params[2], info, params[3]);
}
//from jghg, who says it doesn't work
// it works, it's just a picky engine call -sawce
static cell AMX_NATIVE_CALL drop_to_floor(AMX *amx, cell *params)
{
int iEnt = params[1];
CHECK_ENTITY(iEnt);
edict_t *e = INDEXENT2(iEnt);
return DROP_TO_FLOOR(e);
}
// Attachview, this allows you to attach a player's view to an entity.
// use AttachView(player, player) to reset view.
//(vexd)
static cell AMX_NATIVE_CALL attach_view(AMX *amx, cell *params)
{
int iIndex = params[1];
int iTargetIndex = params[2];
CHECK_ENTITY(iIndex);
SET_VIEW(INDEXENT2(iIndex), INDEXENT2(iTargetIndex));
return 1;
}
// SetView, this sets the view of a player. This is done by
// Creating a camera entity, which follows the player.
//(vexd)
static cell AMX_NATIVE_CALL set_view(AMX *amx, cell *params) {
int iIndex = params[1];
int iCameraType = params[2];
if (iIndex > gpGlobals->maxClients || !MF_IsPlayerIngame(iIndex)) {
MF_LogError(amx, AMX_ERR_NATIVE, "Invalid player %d", iIndex);
return 0;
}
edict_t *pPlayer = INDEXENT2(iIndex);
edict_t *pNewCamera;
switch(iCameraType)
{
case CAMERA_NONE:
SET_VIEW(pPlayer, pPlayer);
if(plinfo[ENTINDEX(pPlayer)].pViewEnt) {
REMOVE_ENTITY(plinfo[ENTINDEX(pPlayer)].pViewEnt);
}
if (plinfo[ENTINDEX(pPlayer)].iViewType != CAMERA_NONE) // Verify that they were originally in a modified view
{
g_CameraCount--;
if (g_CameraCount < 0)
g_CameraCount=0;
if (g_CameraCount==0) // Reset the AddToFullPack pointer if there's no more cameras in use...
g_pFunctionTable->pfnAddToFullPack=NULL;
}
plinfo[ENTINDEX(pPlayer)].iViewType = CAMERA_NONE;
plinfo[ENTINDEX(pPlayer)].pViewEnt = NULL;
pPlayer->v.rendermode = plinfo[ENTINDEX(pPlayer)].iRenderMode;
pPlayer->v.renderamt = plinfo[ENTINDEX(pPlayer)].fRenderAmt;
plinfo[ENTINDEX(pPlayer)].iRenderMode = 0;
plinfo[ENTINDEX(pPlayer)].fRenderAmt = 0;
return 1;
break;
case CAMERA_3RDPERSON:
if(plinfo[ENTINDEX(pPlayer)].iViewType != CAMERA_NONE) {
plinfo[ENTINDEX(pPlayer)].iViewType = CAMERA_3RDPERSON;
return 1;
}
g_CameraCount++;
g_pFunctionTable->pfnAddToFullPack=AddToFullPack;
g_pFunctionTable_Post->pfnPlayerPostThink=PlayerPostThink_Post;
plinfo[ENTINDEX(pPlayer)].iRenderMode = pPlayer->v.rendermode;
plinfo[ENTINDEX(pPlayer)].fRenderAmt = pPlayer->v.renderamt;
plinfo[ENTINDEX(pPlayer)].iViewType = CAMERA_3RDPERSON;
pNewCamera = CREATE_NAMED_ENTITY(MAKE_STRING("info_target"));
pNewCamera->v.classname = MAKE_STRING("VexdCam");
SET_MODEL(pNewCamera, "models/rpgrocket.mdl");
SET_SIZE(pNewCamera, Vector(0, 0, 0), Vector(0, 0, 0));
pNewCamera->v.movetype = MOVETYPE_NOCLIP;
pNewCamera->v.solid = SOLID_NOT;
pNewCamera->v.takedamage = DAMAGE_NO;
pNewCamera->v.gravity = 0;
pNewCamera->v.owner = pPlayer;
pNewCamera->v.rendermode = kRenderTransColor;
pNewCamera->v.renderamt = 0;
pNewCamera->v.renderfx = kRenderFxNone;
SET_VIEW(pPlayer, pNewCamera);
plinfo[ENTINDEX(pPlayer)].pViewEnt = pNewCamera;
break;
case CAMERA_UPLEFT:
if(plinfo[ENTINDEX(pPlayer)].iViewType != CAMERA_NONE) {
plinfo[ENTINDEX(pPlayer)].iViewType = CAMERA_UPLEFT;
return 1;
}
g_CameraCount++;
g_pFunctionTable->pfnAddToFullPack=AddToFullPack;
g_pFunctionTable_Post->pfnPlayerPostThink=PlayerPostThink_Post;
plinfo[ENTINDEX(pPlayer)].iRenderMode = pPlayer->v.rendermode;
plinfo[ENTINDEX(pPlayer)].fRenderAmt = pPlayer->v.renderamt;
plinfo[ENTINDEX(pPlayer)].iViewType = CAMERA_UPLEFT;
pNewCamera = CREATE_NAMED_ENTITY(MAKE_STRING("info_target"));
pNewCamera->v.classname = MAKE_STRING("VexdCam");
SET_MODEL(pNewCamera, "models/rpgrocket.mdl");
SET_SIZE(pNewCamera, Vector(0, 0, 0), Vector(0, 0, 0));
pNewCamera->v.movetype = MOVETYPE_NOCLIP;
pNewCamera->v.solid = SOLID_NOT;
pNewCamera->v.takedamage = DAMAGE_NO;
pNewCamera->v.gravity = 0;
pNewCamera->v.owner = pPlayer;
pNewCamera->v.rendermode = kRenderTransColor;
pNewCamera->v.renderamt = 0;
pNewCamera->v.renderfx = kRenderFxNone;
SET_VIEW(pPlayer, pNewCamera);
plinfo[ENTINDEX(pPlayer)].pViewEnt = pNewCamera;
break;
case CAMERA_TOPDOWN:
if(plinfo[ENTINDEX(pPlayer)].iViewType != CAMERA_NONE) {
plinfo[ENTINDEX(pPlayer)].iViewType = CAMERA_TOPDOWN;
return 1;
}
g_CameraCount++;
g_pFunctionTable->pfnAddToFullPack=AddToFullPack;
g_pFunctionTable_Post->pfnPlayerPostThink=PlayerPostThink_Post;
plinfo[ENTINDEX(pPlayer)].iRenderMode = pPlayer->v.rendermode;
plinfo[ENTINDEX(pPlayer)].fRenderAmt = pPlayer->v.renderamt;
plinfo[ENTINDEX(pPlayer)].iViewType = CAMERA_TOPDOWN;
pNewCamera = CREATE_NAMED_ENTITY(MAKE_STRING("info_target"));
pNewCamera->v.classname = MAKE_STRING("VexdCam");
SET_MODEL(pNewCamera, "models/rpgrocket.mdl");
SET_SIZE(pNewCamera, Vector(0, 0, 0), Vector(0, 0, 0));
pNewCamera->v.movetype = MOVETYPE_NOCLIP;
pNewCamera->v.solid = SOLID_NOT;
pNewCamera->v.takedamage = DAMAGE_NO;
pNewCamera->v.gravity = 0;
pNewCamera->v.owner = pPlayer;
pNewCamera->v.rendermode = kRenderTransColor;
pNewCamera->v.renderamt = 0;
pNewCamera->v.renderfx = kRenderFxNone;
SET_VIEW(pPlayer, pNewCamera);
plinfo[ENTINDEX(pPlayer)].pViewEnt = pNewCamera;
break;
default:
break;
}
return 1;
}
// SetLights, this sets the lights for the map.
//(vexd)
static cell AMX_NATIVE_CALL set_lights(AMX *amx, cell *params) {
int iLength;
char *szLights = MF_GetAmxString(amx, params[1], 0, &iLength);
if (FStrEq(szLights, "#OFF")) {
glinfo.bCheckLights = false;
g_pFunctionTable_Post->pfnStartFrame = NULL;
memset(glinfo.szLastLights, 0x0, 128);
(g_engfuncs.pfnLightStyle)(0, (char *)glinfo.szRealLights);
return 1;
}
g_pFunctionTable_Post->pfnStartFrame = StartFrame_Post;
glinfo.bCheckLights = true;
//Reset LastLights
memset(glinfo.szLastLights, 0x0, 128);
//Store the previous lighting.
memcpy(glinfo.szLastLights, szLights, strlen(szLights));
(g_engfuncs.pfnLightStyle)(0, szLights);
// These make it so that players/weaponmodels look like whatever the lighting is
// at. otherwise it would color players under the skybox to these values.
SERVER_COMMAND("sv_skycolor_r 0\n");
SERVER_COMMAND("sv_skycolor_g 0\n");
SERVER_COMMAND("sv_skycolor_b 0\n");
return 1;
}
//(mahnsawce)
static cell AMX_NATIVE_CALL trace_hull(AMX *amx,cell *params)
{
int iResult=0;
TraceResult tr;
Vector vPos;
cell *vCell;
vCell = MF_GetAmxAddr(amx, params[1]);
vPos.x = amx_ctof(vCell[0]);
vPos.y = amx_ctof(vCell[1]);
vPos.z = amx_ctof(vCell[2]);
TRACE_HULL(vPos,vPos, params[4], params[2], params[3] > 0 ? INDEXENT2(params[3]) : 0 , &tr);
if (tr.fStartSolid) {
iResult += 1;
}
if (tr.fAllSolid) {
iResult += 2;
}
if (!tr.fInOpen) {
iResult += 4;
}
return iResult;
}
//(mahnsawce)
static cell AMX_NATIVE_CALL playback_event(AMX *amx, cell *params)
{
/* Params:
* native playback_event(flags,invoker,eventindex,Float:delay,Float:origin[3],Float:angles[3],Float:fparam1,Float:fparam2,iparam1,iparam2,bparam1,bparam2)
* 1 2 3 4 5 6 7 8 9 10 11 12
*/
int flags;
edict_t *pInvoker;
unsigned short eventindex;
REAL delay;
vec3_t origin;
vec3_t angles;
REAL fparam1;
REAL fparam2;
int iparam1;
int iparam2;
int bparam1;
int bparam2;
flags = params[1];
pInvoker=INDEXENT2(params[2]);
eventindex=params[3];
delay=amx_ctof(params[4]);
cell *cOrigin=MF_GetAmxAddr(amx, params[5]);
cell *cAngles=MF_GetAmxAddr(amx, params[6]);
origin.x=amx_ctof(cOrigin[0]);
origin.y=amx_ctof(cOrigin[1]);
origin.z=amx_ctof(cOrigin[2]);
angles.x=amx_ctof(cAngles[0]);
angles.y=amx_ctof(cAngles[1]);
angles.z=amx_ctof(cAngles[2]);
fparam1=amx_ctof(params[7]);
fparam2=amx_ctof(params[8]);
iparam1=params[9];
iparam2=params[10];
bparam1=params[11];
bparam2=params[12];
PLAYBACK_EVENT_FULL(flags, pInvoker,eventindex, delay, origin, angles, fparam1, fparam2, iparam1, iparam2, bparam1, bparam2);
return 1;
}
//(mahnsawce)
static cell AMX_NATIVE_CALL get_usercmd(AMX *amx, cell *params)
{
if (!incmd)
return 0;
int type = params[1];
if (type > usercmd_int_start && type < usercmd_int_end)
{
// Requesting an integer value...
switch(type)
{
case usercmd_lerp_msec:
return g_cmd->lerp_msec;
case usercmd_msec:
return g_cmd->msec;
case usercmd_lightlevel:
return g_cmd->lightlevel;
case usercmd_buttons:
return g_cmd->buttons;
case usercmd_weaponselect:
return g_cmd->weaponselect;
case usercmd_impact_index:
return g_cmd->impact_index;
default:
return 0;
}
}
else if (type > usercmd_float_start && type < usercmd_float_end)
{
// Requesting a single float value
// The second parameter needs to be the float variable.
cell *cRet = MF_GetAmxAddr(amx, params[2]);
switch(type)
{
case usercmd_forwardmove:
*cRet = amx_ftoc(g_cmd->forwardmove);
return 1;
case usercmd_sidemove:
*cRet = amx_ftoc(g_cmd->sidemove);
return 1;
case usercmd_upmove:
*cRet = amx_ftoc(g_cmd->upmove);
return 1;
default:
return 0;
}
}
else if (type > usercmd_vec_start && type < usercmd_vec_end)
{
// Requesting a Vector value.
cell *cRet = MF_GetAmxAddr(amx,params[2]);
switch (type)
{
case usercmd_viewangles:
cRet[0] = amx_ftoc(g_cmd->viewangles.x);
cRet[1] = amx_ftoc(g_cmd->viewangles.y);
cRet[2] = amx_ftoc(g_cmd->viewangles.z);
return 1;
case usercmd_impact_position:
cRet[0] = amx_ftoc(g_cmd->impact_position.x);
cRet[1] = amx_ftoc(g_cmd->impact_position.y);
cRet[2] = amx_ftoc(g_cmd->impact_position.z);
return 1;
default:
return 0;
}
}
return 1;
}
static cell AMX_NATIVE_CALL set_usercmd(AMX *amx, cell *params)
{
if (!incmd)
return 0;
int type = params[1];
if (type > usercmd_int_start && type < usercmd_int_end)
{
// Setting an integer value...
cell *blah = MF_GetAmxAddr(amx,params[2]);
int iValue = blah[0];
switch(type)
{
case usercmd_lerp_msec:
g_cmd->lerp_msec = iValue;
return 1;
case usercmd_msec:
g_cmd->msec = iValue;
return 1;
case usercmd_lightlevel:
g_cmd->lightlevel = iValue;
return 1;
case usercmd_buttons:
g_cmd->buttons = iValue;
return 1;
case usercmd_weaponselect:
g_cmd->weaponselect = iValue;
return 1;
case usercmd_impact_index:
g_cmd->impact_index = iValue;
return 1;
default:
return 0;
}
}
else if (type > usercmd_float_start && type < usercmd_float_end)
{
// Requesting a single float value
// The second parameter needs to be the float variable.
cell *blah = MF_GetAmxAddr(amx,params[2]);
REAL fValue = amx_ctof(blah[0]);
switch(type)
{
case usercmd_forwardmove:
g_cmd->forwardmove = fValue;
return 1;
case usercmd_sidemove:
g_cmd->sidemove = fValue;
return 1;
case usercmd_upmove:
g_cmd->upmove = fValue;
return 1;
default:
return 0;
}
}
else if (type > usercmd_vec_start && type < usercmd_vec_end)
{
// Requesting a Vector value.
Vector vValue;
cell *blah = MF_GetAmxAddr(amx,params[2]);
vValue.x = amx_ctof(blah[0]);
vValue.y = amx_ctof(blah[1]);
vValue.z = amx_ctof(blah[2]);
switch (type)
{
case usercmd_viewangles:
g_cmd->viewangles = vValue;
return 1;
case usercmd_impact_position:
g_cmd->impact_position = vValue;
return 1;
default:
return 0;
}
}
return 1;
}
static cell AMX_NATIVE_CALL is_visible(AMX *amx, cell *params)
{
int src = params[1];
int dest = params[2];
CHECK_ENTITY(src);
CHECK_ENTITY(dest);
edict_t *pEntity = INDEXENT2(src);
edict_t *pTarget = INDEXENT2(dest);
if (pTarget->v.flags & FL_NOTARGET)
return 0;
Vector vLooker = pEntity->v.origin + pEntity->v.view_ofs;
Vector vTarget = pTarget->v.origin + pTarget->v.view_ofs;
TraceResult tr;
TRACE_LINE(vLooker, vTarget, FALSE, pEntity, &tr);
if (tr.fInOpen && tr.fInWater)
return 0;
else if (tr.flFraction == 1.0)
return 1;
return 0;
}
//taken from dlls\combat.cpp
static cell AMX_NATIVE_CALL in_view_cone(AMX *amx, cell *params)
{
int src = params[1];
CHECK_ENTITY(src);
Vector vecLOS;
float flDot;
edict_t *pEdictSrc = INDEXENT(src);
cell *addr = MF_GetAmxAddr(amx, params[2]);
float vecOrigin[3];
vecOrigin[0] = amx_ctof(addr[0]);
vecOrigin[1] = amx_ctof(addr[1]);
vecOrigin[2] = amx_ctof(addr[2]);
Vector origin(vecOrigin[0], vecOrigin[1], vecOrigin[2]);
MAKE_VECTORS(pEdictSrc->v.v_angle);
vecLOS = origin - (pEdictSrc->v.origin + pEdictSrc->v.view_ofs);
vecLOS = vecLOS.Normalize();
flDot = DotProduct(vecLOS, gpGlobals->v_forward);
if (flDot >= cos(pEdictSrc->v.fov * (M_PI / 360)))
return 1;
else
return 0;
}
static cell AMX_NATIVE_CALL traceresult(AMX *amx, cell *params)
{
int type = params[1];
cell *cRet;
/*
TR_AllSolid, // (int) if true, plane is not valid
TR_StartSolid, // (int) if true, the initial point was in a solid area
TR_InOpen, // (int)
TR_InWater, // (int)
TR_Fraction, // (float) time completed, 1.0 = didn't hit anything
TR_EndPos, // (vector) final position
TR_PlaneDist, // (float)
TR_PlaneNormal, // (vector) surface normal at impact
TR_Hit, // (entity) entity the surface is on
TR_Hitgroup // (int) 0 == generic, non zero is specific body part
*/
switch (type)
{
case TR_AllSolid:
return g_tr.fAllSolid;
case TR_StartSolid:
return g_tr.fStartSolid;
case TR_InOpen:
return g_tr.fInOpen;
case TR_InWater:
return g_tr.fInWater;
case TR_Hitgroup:
return g_tr.iHitgroup;
case TR_Hit:
if (!FNullEnt(g_tr.pHit))
return ENTINDEX(g_tr.pHit);
else
return -1;
case TR_Fraction:
cRet = MF_GetAmxAddr(amx,params[2]);
cRet[0] = amx_ftoc(g_tr.flFraction);
return 1;
case TR_EndPos:
cRet = MF_GetAmxAddr(amx,params[2]);
cRet[0] = amx_ftoc(g_tr.vecEndPos[0]);
cRet[1] = amx_ftoc(g_tr.vecEndPos[1]);
cRet[2] = amx_ftoc(g_tr.vecEndPos[2]);
return 1;
case TR_PlaneDist:
cRet = MF_GetAmxAddr(amx,params[2]);
cRet[0] = amx_ftoc(g_tr.flPlaneDist);
return 1;
case TR_PlaneNormal:
cRet = MF_GetAmxAddr(amx,params[2]);
cRet[0] = amx_ftoc(g_tr.vecPlaneNormal[0]);
cRet[1] = amx_ftoc(g_tr.vecPlaneNormal[1]);
cRet[2] = amx_ftoc(g_tr.vecPlaneNormal[2]);
return 1;
}
return 0;
}
// (jghg)
static cell AMX_NATIVE_CALL get_string(AMX *amx, cell *params) // (string, returnstring[], length)
{
snprintf(g_buffer, BUFFERSIZE, "%s", STRING(params[1]));
return MF_SetAmxString(amx, params[2], g_buffer, params[3]);
}
//contributed by twistedeuphoria
static cell AMX_NATIVE_CALL trace_forward(AMX *amx, cell *params)
//native trace_forward(Float:start[3], Float:angles[3], give, ignoreEnt, &Float:hitX, &Float:hitY, &Float:shortestDistance, &Float:shortestDistLow, &Float:shortestDistHigh)
{
cell *cStart = MF_GetAmxAddr(amx, params[1]);
cell *cAngles = MF_GetAmxAddr(amx, params[2]);
REAL fGive = amx_ctof(params[3]);
int iIgnoreEnt = params[4];
cell *hitX = MF_GetAmxAddr(amx, params[5]);
cell *hitY = MF_GetAmxAddr(amx, params[6]);
cell *shortestDistance = MF_GetAmxAddr(amx, params[7]);
cell *shortestDistLow = MF_GetAmxAddr(amx, params[8]);
cell *shortestDistHigh = MF_GetAmxAddr(amx, params[9]);
if(fGive < 0.0)
fGive = 20.0;
REAL fStartX = amx_ctof(cStart[0]);
REAL fStartY = amx_ctof(cStart[1]);
REAL fStartZ = amx_ctof(cStart[2]);
REAL fAnglesX = amx_ctof(cAngles[0]);
REAL fAnglesY = amx_ctof(cAngles[1]);
REAL fAnglesZ = amx_ctof(cAngles[2]);
Vector playerAngleVector = Vector(fAnglesX,fAnglesY,fAnglesZ);
MAKE_VECTORS(playerAngleVector);
Vector forwardVector = gpGlobals->v_forward;
REAL fEndX = forwardVector[0] * 4000;
REAL fEndY = forwardVector[1] * 4000;
REAL fClosestDist = 999999.9;
REAL fClosestLow = 0.0;
REAL fClosestHigh = 0.0;
REAL fClosestX = 0.0;
REAL fClosestY = 0.0;
TraceResult tr;
REAL fRetX;
REAL fRetY;
REAL fRetZ;
for(int inum=-36;inum<=36;inum++)
{
REAL fUseZ = fStartZ + (REAL)inum;
Vector vStart = Vector(fStartX, fStartY, fUseZ);
Vector vEnd = Vector(fEndX, fEndY, fUseZ);
if(iIgnoreEnt == -1)
TRACE_LINE(vStart, vEnd, ignore_monsters, NULL, &tr);
else
TRACE_LINE(vStart, vEnd, dont_ignore_monsters, INDEXENT2(iIgnoreEnt), &tr);
fRetX = tr.vecEndPos.x;
fRetY = tr.vecEndPos.y;
fRetZ = tr.vecEndPos.z;
Vector vHit = Vector(fRetX, fRetY, fRetZ);
REAL fLength = (vStart - vHit).Length();
if(fabs(fLength - fClosestDist) < fGive)
fClosestHigh = fUseZ - fStartZ;
else if(fLength < fClosestDist)
{
fClosestDist = fLength;
fClosestLow = fUseZ - fStartZ;
fClosestHigh = fUseZ - fStartZ;
fClosestX = fRetX;
fClosestY = fRetY;
}
}
fClosestLow += 36.0;
fClosestHigh += 36.0;
*hitX = amx_ftoc(fClosestX);
*hitY = amx_ftoc(fClosestY);
*shortestDistance = amx_ftoc(fClosestDist);
*shortestDistLow = amx_ftoc(fClosestLow);
*shortestDistHigh = amx_ftoc(fClosestHigh);
return 1;
}
AMX_NATIVE_INFO engine_NewNatives[] =
{
{"trace_line", trace_line},
{NULL, NULL}
};
AMX_NATIVE_INFO engine_Natives[] = {
{"halflife_time", halflife_time},
//These are mostly from original VexD
{"radius_damage", RadiusDamage},
{"point_contents", PointContents},
{"trace_normal", trace_normal},
{"trace_hull", trace_hull},
{"traceresult", traceresult},
{"set_speak", set_speak},
{"get_speak", get_speak},
{"precache_event", precache_event},
{"playback_event", playback_event},
{"set_view", set_view},
{"attach_view", attach_view},
{"get_decal_index", get_decal_index},
{"get_info_keybuffer", get_info_keybuffer},
{"set_lights", set_lights},
{"drop_to_floor", drop_to_floor},
{"get_usercmd", get_usercmd},
{"set_usercmd", set_usercmd},
{"register_impulse", register_impulse},
{"register_think", register_think},
{"register_touch", register_touch},
{"eng_get_string", get_string},
{"is_in_viewcone", in_view_cone},
{"is_visible", is_visible},
{"trace_forward", trace_forward},
{NULL, NULL}
///////////////////
};
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