projects-jenz/AutismBotIngame/scripting/autism_bot_info.sp
2021-01-29 22:43:16 +01:00

850 lines
25 KiB
SourcePawn

#pragma semicolon 1
#define DEBUG
#define PLUGIN_AUTHOR "jenz"
#define PLUGIN_VERSION "1.4"
#define generic_length 256
#include <sourcemod>
#include <sdktools>
#include <sdkhooks>
#include <outputinfo>
#include <socket>
//#pragma newdecls required
int present = 0;
int targethuman = 0;
int target_enemy = 0;
int buttons_old;
int flags_old;
bool surf_cooldown = false;
bool connected_cooldown = false;
float client_old_coords[MAXPLAYERS + 1][3];
float targethuman_teleported[3];
bool chat_cooldown = false;
//admins & vips
bool admins[MAXPLAYERS + 1];
bool vips[MAXPLAYERS + 1];
//socket for bot input
Handle global_socket;
public Plugin myinfo =
{
name = "coordinates for the bot",
author = PLUGIN_AUTHOR,
description = "hello ",
version = PLUGIN_VERSION,
url = ""
};
public void OnPluginStart()
{
//talking
RegConsoleCmd("sm_autism", cmd_talk, "talking to the bot through java application");
//hooks
HookEvent("round_start", Event_RoundStart, EventHookMode_PostNoCopy);
HookEntityOutput("trigger_multiple", "OnTrigger", Trigger_Multiple);
HookEntityOutput("trigger_multiple", "OnStartTouch", Trigger_Multiple);
HookEntityOutput("trigger_teleport", "OnTrigger", trigger_teleport);
HookEntityOutput("trigger_teleport", "OnStartTouch", trigger_teleport);
//UDP connection
connect_socket();
chat_cooldown = false;
reset_target_human_tp_coord();
targethuman = 0;
target_enemy = 0;
}
public void reset_target_human_tp_coord()
{
targethuman_teleported[0] = 0.0;
targethuman_teleported[1] = 0.0;
targethuman_teleported[2] = 0.0;
}
public void trigger_teleport(const char[] output, int entity_index, int client, float delay)
{
if (IsValidEdict(entity_index))
if (IsValidClient(targethuman) && client == targethuman)
{
GetEntPropVector(client, Prop_Send, "m_vecOrigin", targethuman_teleported);
CreateTimer(6.0, reset_target_tp);
}
else if (IsValidClient(present) && client == present)
CreateTimer(0.1, reset_target_tp);
}
public void Trigger_Multiple(const char[] output, int entity_index, int client, float delay)
{
if (IsValidEdict(entity_index))
{
if (IsValidClient(targethuman) && client == targethuman)
{
if (origin_command_check(entity_index))
{
GetEntPropVector(client, Prop_Send, "m_vecOrigin", targethuman_teleported);
CreateTimer(6.0, reset_target_tp);
}
}
else if (IsValidClient(present) && client == present)
{
if (origin_command_check(entity_index))
CreateTimer(0.1, reset_target_tp);
}
}
}
public bool origin_command_check(int entity_index)
{
int count_trigger = GetOutputCount(entity_index, "m_OnTrigger");
int count_starttouch = GetOutputCount(entity_index, "m_OnStartTouch");
for (int i = 0; i < count_trigger; i++)
{
char buffer[generic_length];
GetOutputParameter(entity_index, "m_OnTrigger", i, buffer, sizeof(buffer));
if (StrContains(buffer, "origin", true) != -1)
return true;
}
for (int i = 0; i < count_starttouch; i++)
{
char buffer[generic_length];
GetOutputParameter(entity_index, "m_OnStartTouch", i, buffer, sizeof(buffer));
if (StrContains(buffer, "origin", true) != -1)
return true;
}
return false;
}
public Action reset_target_tp(Handle timer, any data)
{
reset_target_human_tp_coord();
return Plugin_Continue;
}
public bool distance_check()
{
float dist_target = get_power_distance(present, targethuman_teleported);
float min_required_distance = 50000.0;
if (dist_target > min_required_distance)
return false;
return true;
}
public Action cmd_talk(int client, int args)
{
char msg[generic_length * 5];
char info[generic_length];
GetCmdArgString(info, sizeof(info));
if (strlen(info) == 0)
{
PrintToChat(client, "Add a message to the command if autism bot is ingame and running on discord");
return Plugin_Handled;
}
if (chat_cooldown)
{
PrintToChat(client, "spamming bot too much, applying cooldown");
return Plugin_Handled;
}
if (IsValidClient(present))
{
chat_cooldown = true;
char magic_code[16];
Format(magic_code, sizeof(magic_code), "72DqZ84");
Format(msg, sizeof(msg), "clientmessage:%N %s %s", client, magic_code, info);
send_socket_msg(msg, strlen(msg));
CreateTimer(2.0, bot_chat_cooldown);
}
else
PrintToChat(client, "bot not connected to server");
return Plugin_Handled;
}
public Action bot_chat_cooldown(Handle timer, any data)
{
chat_cooldown = false;
return Plugin_Continue;
}
public void Event_RoundStart(Handle event, const char[] name, bool dontBroadcast)
{
targethuman = 0;
target_enemy = 0;
reset_target_human_tp_coord();
}
public void OnMapStart()
{
//0.2 too spammmy, 1.5 too slow
chat_cooldown = false;
CreateTimer(0.30, recursive_pressing, INVALID_HANDLE, TIMER_REPEAT|TIMER_FLAG_NO_MAPCHANGE);
CreateTimer(15.0, bot_check_connect, INVALID_HANDLE, TIMER_REPEAT|TIMER_FLAG_NO_MAPCHANGE);
}
public void send_socket_msg(char[] query_msg, int len)
{
if (global_socket != INVALID_HANDLE && SocketIsConnected(global_socket))
SocketSendTo(global_socket, query_msg, len, "127.0.0.1", 48477); //udp
}
public Action bot_check_connect(Handle timer, any data)
{
if (!IsValidClient(present) && GetClientCount(false) <= 61)
{
char msg[generic_length];
//PrintToChatAll("sending UDP message...");
Format(msg, sizeof(msg), "connect to ze");
send_socket_msg(msg, strlen(msg));
}
/*
else if (IsValidClient(present) && GetClientCount(false) >= 63)
{
char msg[generic_length];
KickClient(present, "server full you need to leave");
Format(msg, sizeof(msg), "bot kicked server full");
send_socket_msg(msg, strlen(msg));
}
*/
return Plugin_Continue;
}
public void OnPlayerRunCmdPost(int client, int buttons, int impulse, const float vel[3], const float angles[3], int weapon, int subtype,
int cmdnum, int tickcount, int seed, const int mouse[2])
{
if (!IsClientInGame(client)) return;
if (client == present)
{
int flags = GetEntityFlags(client);
if (!(flags & FL_ONGROUND) && (flags_old & FL_ONGROUND) && !(buttons_old & IN_JUMP) && !(buttons & IN_JUMP) && (GetEntityMoveType(present) != MOVETYPE_LADDER))
{
float Vel[3], feet_origin[3], ground_pos[3], downwards[3];
//TODO
float velocity_addition_z_axis = 300.0;
GetEntPropVector(client, Prop_Data, "m_vecVelocity", Vel);
Vel[2] += velocity_addition_z_axis;
GetClientAbsOrigin(present, feet_origin);
downwards[0] = 90.0;
downwards[1] = 0.0;
downwards[2] = 0.0;
TR_TraceRayFilter(feet_origin, downwards, MASK_ALL, RayType_Infinite, TraceRayDontHitSelf, present);
if (TR_DidHit())
{
TR_GetEndPosition(ground_pos);
feet_origin[2] -= 10.0;
float ground_distance = GetVectorDistance(feet_origin, ground_pos);
if (ground_distance > 80)
{
float angles_eye[3];
GetClientEyeAngles(present, angles_eye);
feet_origin[2] += 10.0;
TR_TraceRayFilter(feet_origin, angles_eye, MASK_ALL, RayType_Infinite, TraceRayDontHitSelf, present);
if (TR_DidHit())
{
TR_GetEndPosition(ground_pos);
feet_origin[2] -= 10.0;
float forward_distance = GetVectorDistance(feet_origin, ground_pos);
if (forward_distance > 280)
{
if (IsValidClient(targethuman))
{
float feet_origin_pre[3], human_feet_origin[3];
GetClientAbsOrigin(present, feet_origin_pre);
GetClientAbsOrigin(targethuman, human_feet_origin);
//target human is below, get down to them
//TODO maybe?
if (feet_origin_pre[2] - 200 > human_feet_origin[2])
{
buttons_old = buttons;
flags_old = flags;
return;
}
}
float velocity[3];
GetEntPropVector(present, Prop_Data, "m_vecVelocity", velocity);
velocity[2] += 30.0;
NegateVector(velocity);
for (int y = 0; y < 10; y++)
TeleportEntity(present, NULL_VECTOR, NULL_VECTOR, velocity);
}
}
}
}
TeleportEntity(client, NULL_VECTOR, NULL_VECTOR, Vel);
}
buttons_old = buttons;
flags_old = flags;
}
}
public Action recursive_pressing(Handle timer, any data)
{
if (IsValidClient(present))
{
if (GetClientTeam(present) == 1 || GetClientTeam(present) == 0)
{
ChangeClientTeam(present, 2);
return Plugin_Continue;
}
if (IsPlayerAlive(present))
{
if (GetEntityMoveType(present) == MOVETYPE_LADDER)
return Plugin_Continue;
int targeteam = 0;
if (GetClientTeam(present) != 3)
{
//2 = autismo is zm and should follow closest moving zm
targeteam = 2;
}
else
{
//3 = autismo is human and should follow closest moving ct
targeteam = 3;
}
if (targethuman_teleported[0] != 0.0)
{
float ClientPos[3];
float Result[3];
GetClientEyePosition(present, ClientPos);
MakeVectorFromPoints(ClientPos, targethuman_teleported, Result);
GetVectorAngles(Result, Result);
TeleportEntity(present, NULL_VECTOR, Result, NULL_VECTOR);
if (!distance_check())
reset_target_human_tp_coord();
return Plugin_Continue;
}
//target_enemy = GetClosestClient_option1(targeteam == 2 ? 3 : 2);
targethuman = GetClosestClient_option1(targeteam == 2 ? 2 : 3);
float enemy_distance = -1.0;
float dist_target = -1.0;
float pos[3];
if (IsValidClient(targethuman))
{
GetEntPropVector(targethuman, Prop_Send, "m_vecOrigin", pos);
dist_target = get_power_distance(present, pos);
}
/*
if (IsValidClient(target_enemy))
{
GetEntPropVector(target_enemy, Prop_Send, "m_vecOrigin", pos);
enemy_distance = get_power_distance(present, pos);
}
*/
if ((0 < enemy_distance && targeteam == 2) || dist_target < 0 < enemy_distance)
{
float feet_origin[3], enemy_feet_origin[3];
GetClientAbsOrigin(present, feet_origin);
GetClientAbsOrigin(target_enemy, enemy_feet_origin);
if (feet_origin[2] + 100 > enemy_feet_origin[2])
face_call(target_enemy);
}
else if (0 < dist_target)
face_call(targethuman);
trace_hulling_bot();
char message[generic_length * 7];
if (IsValidClient(targethuman))
Format(message, sizeof(message), "dist_target: %f targethuman: %N enemy_distance: %f targeteam: %i", dist_target, targethuman, enemy_distance, targeteam);
else
Format(message, sizeof(message), "dist_target: %f targethuman: none enemy_distance: %f targeteam: %i", dist_target, enemy_distance, targeteam);
if (IsValidClient(target_enemy))
Format(message, sizeof(message), "%s target_enemy: %N", message, target_enemy);
else
Format(message, sizeof(message), "%s target_enemy: none", message);
send_socket_msg(message, strlen(message));
}
}
return Plugin_Continue;
}
//https://developer.valvesoftware.com/wiki/Dimensions
public void trace_hulling_bot()
{
char message[generic_length * 3];
float step_cap = 18.0;
float crouch_min = 48.0;
float stand_min = 63.0;
float feet_origin[3], mins[3], maxs[3], eye_position[3];
int BOUNDINGBOX_INFLATION_OFFSET = 3;
GetClientEyePosition(present, eye_position);
GetClientAbsOrigin(present, feet_origin);
GetClientMins(present, mins);
GetClientMaxs(present, maxs);
//increasing boxes sizes
for (int ij = 0; ij < sizeof(mins) - 1; ij++)
{
mins[ij] -= BOUNDINGBOX_INFLATION_OFFSET;
maxs[ij] += BOUNDINGBOX_INFLATION_OFFSET;
}
//acts as full body check
feet_origin[2] += BOUNDINGBOX_INFLATION_OFFSET;
TR_TraceHullFilter(feet_origin, feet_origin, mins, maxs, MASK_ALL, TraceRayDontHitSelf);
if (TR_DidHit())
{
//check 0.0 to 48.0 units starting from feet
feet_origin[2] -= BOUNDINGBOX_INFLATION_OFFSET;
mins[2] = 0.0;
maxs[2] = crouch_min;
TR_TraceHullFilter(feet_origin, feet_origin, mins, maxs, MASK_ALL, TraceRayDontHitSelf);
if (!(TR_DidHit()))
{
//can crouch
Format(message, sizeof(message), "hull info:crouch");
send_socket_msg(message, strlen(message));
return;
}
//something blocks floor crouch
eye_position[2] += 5.0;
TR_TraceHullFilter(eye_position, eye_position, mins, maxs, MASK_ALL, TraceRayDontHitSelf);
if (!(TR_DidHit()))
{
//should not block jump level
Format(message, sizeof(message), "hull info:jump");
send_socket_msg(message, strlen(message));
return;
}
else
{
//still potentially crouch hole in wall or one side jumpable
mins[2] = step_cap;
float iterator = step_cap;
while (iterator < stand_min)
{
maxs[2] = iterator;
iterator += step_cap;
for (int jj = 0; jj < 2; jj++)
for (int ij = 0; ij < 2; ij++)
{
if (jj == 0)
mins[ij] += BOUNDINGBOX_INFLATION_OFFSET;
else
maxs[ij] -= BOUNDINGBOX_INFLATION_OFFSET;
TR_TraceHullFilter(feet_origin, feet_origin, mins, maxs, MASK_ALL, TraceRayDontHitSelf);
if (!(TR_DidHit()))
{
Format(message, sizeof(message), "hull info:jump");
send_socket_msg(message, strlen(message));
return;
}
TR_TraceHullFilter(eye_position, eye_position, mins, maxs, MASK_ALL, TraceRayDontHitSelf);
if (!(TR_DidHit()))
{
Format(message, sizeof(message), "hull info:jump");
send_socket_msg(message, strlen(message));
return;
}
if (jj == 0)
mins[ij] -= BOUNDINGBOX_INFLATION_OFFSET;
else
maxs[ij] += BOUNDINGBOX_INFLATION_OFFSET;
}
}
//currently detects when two walls meet and create a corner
float move_angles[3];
if (GetEntityMoveType(present) != MOVETYPE_LADDER)
{
GetClientEyeAngles(present, move_angles);
move_angles[0] = 0.0;
move_angles[1] += 35.0;
move_angles[2] = 0.0;
TeleportEntity(present, NULL_VECTOR, move_angles, NULL_VECTOR);
}
return;
}
}
}
//TODO implement surfing again but differently
//check_bot_surfing();
public void check_bot_surfing()
{
float vPos[3];
float vMins[3];
float vMaxs[3];
GetEntPropVector(present, Prop_Data, "m_vecOrigin", vPos);
GetEntPropVector(present, Prop_Send, "m_vecMins", vMins);
GetEntPropVector(present, Prop_Send, "m_vecMaxs", vMaxs);
float vEndPos[3];
vEndPos[0] = vPos[0];
vEndPos[1] = vPos[1];
vEndPos[2] = vPos[2] - FindConVar("sv_maxvelocity").FloatValue;
TR_TraceHullFilter(vPos, vEndPos, vMins, vMaxs, MASK_ALL, TraceRayDontHitSelf, present);
if (TR_DidHit())
{
//< 0.7 = surf ramp
float surf_ramp = 0.6;
char keyinput[generic_length * 3];
float vPlane[3];
TR_GetPlaneNormal(INVALID_HANDLE, vPlane);
if (0.0 < vPlane[2] < surf_ramp)
{
vPlane[0] *= 100;
vPlane[1] *= 100;
vPlane[2] *= 100;
if (!surf_cooldown)
{
surf_cooldown = true;
TeleportEntity(present, NULL_VECTOR, vPlane, NULL_VECTOR);
Format(keyinput, sizeof(keyinput), "surfing: %f %f %f", vPlane[0], vPlane[1], vPlane[2]);
send_socket_msg(keyinput, strlen(keyinput));
CreateTimer(0.5, surf_cooldown_timer);
}
}
}
}
public Action surf_cooldown_timer(Handle timer, any data)
{
surf_cooldown = false;
return Plugin_Continue;
}
public bool TraceRayDontHitSelf(int entity, int mask, any data)
{
return entity != data && !(0 < entity <= MaxClients);
}
public void face_call(int client)
{
for (int j = 0; j < 5; j++)
faceclient(client);
}
public void faceclient(int target_human)
{
if (IsValidClient(present) && IsValidClient(target_human))
{
float TargetPos[3];
float ClientPos[3];
float Result[3];
GetClientEyePosition(target_human, TargetPos);
GetClientEyePosition(present, ClientPos);
MakeVectorFromPoints(ClientPos, TargetPos, Result);
GetVectorAngles(Result, Result);
TeleportEntity(present, NULL_VECTOR, Result, NULL_VECTOR);
}
}
stock bool IsValidClient(int client)
{
if (client > 0 && client <= MaxClients && IsClientConnected(client) && IsClientInGame(client))
return true;
return false;
}
stock bool is_client_stuck_or_afk(int client)
{
float min_distance_cap = 5.0;
float client_own_distance = get_power_distance(client, client_old_coords[client]);
GetEntPropVector(client, Prop_Send, "m_vecOrigin", client_old_coords[client]);
return client_own_distance < min_distance_cap;
}
int target_human_afk_counter = 0;
public int GetClosestClient_option1(int targeteam)
{
float nearestdistance = -1.0;
int nearest = -1;
for (int i = 1; i <= MaxClients; i++)
if (IsValidClient(i) && IsPlayerAlive(i) && GetClientTeam(i) == targeteam && i != present)
{
if (!IsAbleToSee(present, i))
continue;
if (is_client_stuck_or_afk(i))
{
if (i != targethuman)
continue;
target_human_afk_counter++;
int afk_cap = 9;
if (target_human_afk_counter > afk_cap)
{
target_human_afk_counter = 0;
continue;
}
}
if (i == targethuman)
return targethuman;
float pos[3];
GetEntPropVector(i, Prop_Send, "m_vecOrigin", pos);
float dist_target = get_power_distance(present, pos);
if (GetClientTeam(present) == 3 && IsValidClient(target_enemy) && targeteam == 3)
{
float enemey_cap = 1500.0;
float enemy_dist = get_power_distance(target_enemy, pos);
if (enemy_dist < enemey_cap)
dist_target += enemey_cap;
}
if (admins[i] || vips[i] || i == target_enemy)
dist_target /= 5;
if (nearestdistance < 0 || dist_target < nearestdistance)
{
nearest = i;
nearestdistance = dist_target;
}
}
return nearest;
}
public float get_power_distance(int target_player, float [3]pos)
{
float vec[3];
GetClientAbsOrigin(target_player, vec);
return GetVectorDistance(vec, pos);
}
public void OnClientPostAdminCheck(int client)
{
//STEAM_0:1:34783317
//STEAM_0:1:60189040
//[U:1:120378081]
//[U:1:69566635]
char auth[50];
GetClientAuthId(client, AuthId_Engine, auth, sizeof(auth));
if (StrEqual("[U:1:120378081]", auth, false))
{
present = client;
bot_send_connected_msg();
}
else if (StrEqual("STEAM_0:1:60189040", auth, false))
{
present = client;
bot_send_connected_msg();
}
if (CheckCommandAccess(client, "sm_kick", ADMFLAG_KICK))
admins[client] = true;
else if (CheckCommandAccess(client, "sm_reserved", ADMFLAG_RESERVATION))
vips[client] = true;
client_old_coords[client][0] = 0.0;
client_old_coords[client][1] = 0.0;
client_old_coords[client][2] = 0.0;
}
public OnSocketError(Handle socket, const int errorType, const int errorNum, any args)
{
CloseHandle(socket);
LogError("[MR] Socket error: %d (errno %d)", errorType, errorNum);
CreateTimer(10.0, TimerConnect, INVALID_HANDLE, TIMER_HNDL_CLOSE);
}
stock void connect_socket()
{
if (global_socket == INVALID_HANDLE || !SocketIsConnected(global_socket))
{
//socket otherwise declare in public OnConfigsExecuted(){}
global_socket = SocketCreate(SOCKET_UDP, OnSocketError);
SocketSetOption(global_socket, SocketReuseAddr, 1);
SocketBind(global_socket, "127.0.0.1", 48475);
SocketConnect(global_socket, OnSocketConnected, OnSocketReceive, OnSocketDisconnected, "127.0.0.1", 48475);
}
}
public void OnClientDisconnect(int client)
{
if (present == client)
{
present = 0;
}
admins[client] = false;
vips[client] = false;
client_old_coords[client][0] = 0.0;
client_old_coords[client][1] = 0.0;
client_old_coords[client][2] = 0.0;
}
public void bot_send_connected_msg()
{
char msg[generic_length];
Format(msg, sizeof(msg), "autismo connected");
if (!connected_cooldown)
{
connected_cooldown = true;
send_socket_msg(msg, strlen(msg));
CreateTimer(5.0, connect_cooldown);
}
}
public Action connect_cooldown(Handle timer, any data)
{
connected_cooldown = false;
return Plugin_Continue;
}
//Socket callback
public OnSocketConnected(Handle socket, any arg)
{
}
//manage message
public OnSocketReceive(Handle socket, char[] receiveData, const dataSize, any hFile)
{
//PrintToChatAll("receiveData: %s", receiveData);
}
public OnSocketDisconnected(Handle socket, any arg)
{
CreateTimer(10.0, TimerConnect, INVALID_HANDLE, TIMER_HNDL_CLOSE);
}
public Action TimerConnect(Handle timer, any arg)
{
connect_socket();
return Plugin_Handled;
}
public bool IsAbleToSee(int entity, int client)
{
float vecorigin[3];
float vecEyePos[3];
GetClientAbsOrigin(entity, vecorigin);
GetClientEyePosition(client, vecEyePos);
// Check if centre is visible.
if (IsPointVisible(vecEyePos, vecorigin))
return true;
float vecEyePos_ent[3];
float vecEyeAng[3];
GetClientEyeAngles(entity, vecEyeAng);
GetClientEyePosition(entity, vecEyePos_ent);
// Check if weapon tip is visible.
if (IsFwdVecVisible(vecEyePos, vecEyeAng, vecEyePos_ent))
return true;
float mins[3];
float maxs[3];
GetClientMins(client, mins);
GetClientMaxs(client, maxs);
// Check outer 4 corners of player.
if (IsRectangleVisible(vecEyePos, vecorigin, mins, maxs, 1.30))
return true;
// Check inner 4 corners of player.
if (IsRectangleVisible(vecEyePos, vecorigin, mins, maxs, 0.65))
return true;
return false;
}
public bool Filter_NoPlayers(int entity, int mask)
{
return (entity > MaxClients && !(0 < GetEntPropEnt(entity, Prop_Data, "m_hOwnerEntity") <= MaxClients));
}
public bool IsPointVisible(const float start[3], const float end[3])
{
TR_TraceRayFilter(start, end, MASK_ALL, RayType_EndPoint, Filter_NoPlayers);
return TR_GetFraction() == 1.0;
}
public bool IsFwdVecVisible(const float start[3], const float angles[3], const float end[3])
{
float fwd[3];
GetAngleVectors(angles, fwd, NULL_VECTOR, NULL_VECTOR);
ScaleVector(fwd, 50.0);
AddVectors(end, fwd, fwd);
return IsPointVisible(start, fwd);
}
public bool IsRectangleVisible(const float start[3], const float end[3], const float mins[3], const float maxs[3], float scale)
{
float ZpozOffset = maxs[2];
float ZnegOffset = mins[2];
float WideOffset = ((maxs[0] - mins[0]) + (maxs[1] - mins[1])) / 4.0;
// This rectangle is just a point!
if (ZpozOffset == 0.0 && ZnegOffset == 0.0 && WideOffset == 0.0)
return IsPointVisible(start, end);
// Adjust to scale.
ZpozOffset *= scale;
ZnegOffset *= scale;
WideOffset *= scale;
// Prepare rotation matrix.
float angles[3];
float fwd[3];
float right[3];
SubtractVectors(start, end, fwd);
NormalizeVector(fwd, fwd);
GetVectorAngles(fwd, angles);
GetAngleVectors(angles, fwd, right, NULL_VECTOR);
float vRectangle[4][3];
float vTemp[3];
// If the player is on the same level as us, we can optimize by only rotating on the z-axis.
if (FloatAbs(fwd[2]) <= 0.7071)
{
ScaleVector(right, WideOffset);
// Corner 1, 2
vTemp = end;
vTemp[2] += ZpozOffset;
AddVectors(vTemp, right, vRectangle[0]);
SubtractVectors(vTemp, right, vRectangle[1]);
// Corner 3, 4
vTemp = end;
vTemp[2] += ZnegOffset;
AddVectors(vTemp, right, vRectangle[2]);
SubtractVectors(vTemp, right, vRectangle[3]);
}
else if (fwd[2] > 0.0) // Player is below us.
{
fwd[2] = 0.0;
NormalizeVector(fwd, fwd);
ScaleVector(fwd, scale);
ScaleVector(fwd, WideOffset);
ScaleVector(right, WideOffset);
// Corner 1
vTemp = end;
vTemp[2] += ZpozOffset;
AddVectors(vTemp, right, vTemp);
SubtractVectors(vTemp, fwd, vRectangle[0]);
// Corner 2
vTemp = end;
vTemp[2] += ZpozOffset;
SubtractVectors(vTemp, right, vTemp);
SubtractVectors(vTemp, fwd, vRectangle[1]);
// Corner 3
vTemp = end;
vTemp[2] += ZnegOffset;
AddVectors(vTemp, right, vTemp);
AddVectors(vTemp, fwd, vRectangle[2]);
// Corner 4
vTemp = end;
vTemp[2] += ZnegOffset;
SubtractVectors(vTemp, right, vTemp);
AddVectors(vTemp, fwd, vRectangle[3]);
}
else // Player is above us.
{
fwd[2] = 0.0;
NormalizeVector(fwd, fwd);
ScaleVector(fwd, scale);
ScaleVector(fwd, WideOffset);
ScaleVector(right, WideOffset);
// Corner 1
vTemp = end;
vTemp[2] += ZpozOffset;
AddVectors(vTemp, right, vTemp);
AddVectors(vTemp, fwd, vRectangle[0]);
// Corner 2
vTemp = end;
vTemp[2] += ZpozOffset;
SubtractVectors(vTemp, right, vTemp);
AddVectors(vTemp, fwd, vRectangle[1]);
// Corner 3
vTemp = end;
vTemp[2] += ZnegOffset;
AddVectors(vTemp, right, vTemp);
SubtractVectors(vTemp, fwd, vRectangle[2]);
// Corner 4
vTemp = end;
vTemp[2] += ZnegOffset;
SubtractVectors(vTemp, right, vTemp);
SubtractVectors(vTemp, fwd, vRectangle[3]);
}
// Run traces on all corners.
for (new i = 0; i < 4; i++)
if (IsPointVisible(start, vRectangle[i]))
return true;
return false;
}