*================================================================================
--------------------------
-*- [ZP] Grenade: Fire -*-
--------------------------
This plugin is part of Zombie Plague Mod and is distributed under the
terms of the GNU General Public License. Check ZP_ReadMe.txt for details.
================================================================================*/
#include <amxmodx>
#include <fun>
#include <fakemeta>
#include <hamsandwich>
#include <xs>
// Default sounds
new const sound_grenade_fire_explode[][] = { "zombie_plague/grenade_explode.wav" }
new const sound_grenade_fire_player[][] = { "zombie_plague/zombie_burn3.wav" , "zombie_plague/zombie_burn4.wav" , "zombie_plague/zombie_burn5.wav" , "zombie_plague/zombie_burn6.wav" , "zombie_plague/zombie_burn7.wav" }
#define SOUND_MAX_LENGTH 64
#define SPRITE_MAX_LENGTH 64
new Array:g_sound_grenade_fire_explode
new Array:g_sound_grenade_fire_player
// Sprites
new g_sprite_grenade_trail[SPRITE_MAX_LENGTH] = "sprites/laserbeam.spr"
new g_sprite_grenade_ring[SPRITE_MAX_LENGTH] = "sprites/shockwave.spr"
new g_sprite_grenade_fire[SPRITE_MAX_LENGTH] = "sprites/flame.spr"
new g_sprite_grenade_smoke[SPRITE_MAX_LENGTH] = "sprites/black_smoke3.spr"
// Explosion radius for custom grenades
const Float:NADE_EXPLOSION_RADIUS = 240.0
// HACK: pev_ field used to store custom nade types and their values
const PEV_NADE_TYPE = pev_flTimeStepSound
const NADE_TYPE_NAPALM = 2222
#define TASK_BURN 100
#define ID_BURN (taskid - TASK_BURN)
#define MAXPLAYERS 32
new g_BurningDuration[MAXPLAYERS+1]
new g_MsgDamage
new g_trailSpr, g_exploSpr, g_flameSpr, g_smokeSpr;
new cvar_grenade_fire_duration, cvar_grenade_fire_damage, cvar_grenade_fire_slowdown, cvar_grenade_fire_hudicon, cvar_grenade_fire_explosion
public plugin_init()
{
register_plugin("[ZP] Grenade: Fire", "5.08", "ZP Dev Team")
RegisterHam(Ham_Killed, "player", "fw_PlayerKilled")
register_forward(FM_SetModel, "fw_SetModel")
RegisterHam(Ham_Think, "grenade", "fw_ThinkGrenade")
g_MsgDamage = get_user_msgid("Damage")
cvar_grenade_fire_duration = register_cvar("zp_grenade_fire_duration", "3")
cvar_grenade_fire_damage = register_cvar("zp_grenade_fire_damage", "1")
cvar_grenade_fire_slowdown = register_cvar("zp_grenade_fire_slowdown", "0.5")
cvar_grenade_fire_hudicon = register_cvar("zp_grenade_fire_hudicon", "1")
cvar_grenade_fire_explosion = register_cvar("zp_grenade_fire_explosion", "0")
}
public plugin_precache()
{
g_sound_grenade_fire_explode = ArrayCreate(SOUND_MAX_LENGTH, 1)
g_sound_grenade_fire_player = ArrayCreate(SOUND_MAX_LENGTH, 1)
new index
for (index = 0; index < sizeof sound_grenade_fire_explode; index++)
ArrayPushString(g_sound_grenade_fire_explode, sound_grenade_fire_explode[index])
for (index = 0; index < sizeof sound_grenade_fire_player; index++)
ArrayPushString(g_sound_grenade_fire_player, sound_grenade_fire_player[index])
// Precache sounds
new sound[SOUND_MAX_LENGTH]
for (index = 0; index < ArraySize(g_sound_grenade_fire_explode); index++)
{
ArrayGetString(g_sound_grenade_fire_explode, index, sound, charsmax(sound))
precache_sound(sound)
}
for (index = 0; index < ArraySize(g_sound_grenade_fire_player); index++)
{
ArrayGetString(g_sound_grenade_fire_player, index, sound, charsmax(sound))
precache_sound(sound)
}
// Precache models
g_trailSpr = precache_model(g_sprite_grenade_trail)
g_exploSpr = precache_model(g_sprite_grenade_ring)
g_flameSpr = precache_model(g_sprite_grenade_fire)
g_smokeSpr = precache_model(g_sprite_grenade_smoke)
}
// Ham Player Killed Forward
public fw_PlayerKilled(victim, attacker, shouldgib)
{
// Stop burning
remove_task(victim+TASK_BURN)
g_BurningDuration[victim] = 0
}
public client_disconnect(id)
{
// Stop burning
remove_task(id+TASK_BURN)
g_BurningDuration[id] = 0
}
// Forward Set Model
public fw_SetModel(entity, const model[])
{
// We don't care
if (strlen(model) < 8)
return;
// Narrow down our matches a bit
if (model[7] != 'w' || model[8] != '_')
return;
// Get damage time of grenade
static Float:dmgtime
pev(entity, pev_dmgtime, dmgtime)
// Grenade not yet thrown
if (dmgtime == 0.0)
return;
// HE Grenade
if (model[9] == 'h' && model[10] == 'e')
{
// Give it a glow
fm_set_rendering(entity, kRenderFxGlowShell, 200, 0, 0, kRenderNormal, 16)
// And a colored trail
message_begin(MSG_BROADCAST, SVC_TEMPENTITY)
write_byte(TE_BEAMFOLLOW) // TE id
write_short(entity) // entity
write_short(g_trailSpr) // sprite
write_byte(10) // life
write_byte(10) // width
write_byte(200) // r
write_byte(0) // g
write_byte(0) // b
write_byte(200) // brightness
message_end()
// Set grenade type on the thrown grenade entity
set_pev(entity, PEV_NADE_TYPE, NADE_TYPE_NAPALM)
}
}
// Ham Grenade Think Forward
public fw_ThinkGrenade(entity)
{
// Invalid entity
if (!pev_valid(entity)) return HAM_IGNORED;
// Get damage time of grenade
static Float:dmgtime
pev(entity, pev_dmgtime, dmgtime)
// Check if it's time to go off
if (dmgtime > get_gametime())
return HAM_IGNORED;
// Not a napalm grenade
if (pev(entity, PEV_NADE_TYPE) != NADE_TYPE_NAPALM)
return HAM_IGNORED;
fire_explode(entity);
// Keep the original explosion?
if (get_pcvar_num(cvar_grenade_fire_explosion))
{
set_pev(entity, PEV_NADE_TYPE, 0)
return HAM_IGNORED;
}
// Get rid of the grenade
engfunc(EngFunc_RemoveEntity, entity)
return HAM_SUPERCEDE;
}
// Fire Grenade Explosion
fire_explode(ent)
{
// Get origin
static Float:origin[3]
pev(ent, pev_origin, origin)
// Override original HE grenade explosion?
if (!get_pcvar_num(cvar_grenade_fire_explosion))
{
// Make the explosion
create_blast2(origin)
// Fire nade explode sound
static sound[SOUND_MAX_LENGTH]
ArrayGetString(g_sound_grenade_fire_explode, random_num(0, ArraySize(g_sound_grenade_fire_explode) - 1), sound, charsmax(sound))
emit_sound(ent, CHAN_WEAPON, sound, 1.0, ATTN_NORM, 0, PITCH_NORM)
}
// Collisions
new victim = -1
new attacker = pev(ent, pev_owner);
while ((victim = engfunc(EngFunc_FindEntityInSphere, victim, origin, NADE_EXPLOSION_RADIUS)) != 0)
{
if (!is_user_alive(victim) || get_user_team(victim) == get_user_team(attacker) || victim == attacker)
continue;
// Heat icon?
if (get_pcvar_num(cvar_grenade_fire_hudicon))
{
message_begin(MSG_ONE_UNRELIABLE, g_MsgDamage, _, victim)
write_byte(0) // damage save
write_byte(0) // damage take
write_long(DMG_BURN) // damage type
write_coord(0) // x
write_coord(0) // y
write_coord(0) // z
message_end()
}
g_BurningDuration[victim] += get_pcvar_num(cvar_grenade_fire_duration) * 5
// Set burning task on victim
remove_task(victim+TASK_BURN)
set_task(0.2, "burning_flame", victim+TASK_BURN, _, _, "b")
}
}
// Burning Flames
public burning_flame(taskid)
{
// Get player origin and flags
static origin[3]
get_user_origin(ID_BURN, origin)
new flags = pev(ID_BURN, pev_flags)
// In water or burning stopped
if ((flags & FL_INWATER) || g_BurningDuration[ID_BURN] < 1)
{
// Smoke sprite
message_begin(MSG_PVS, SVC_TEMPENTITY, origin)
write_byte(TE_SMOKE) // TE id
write_coord(origin[0]) // x
write_coord(origin[1]) // y
write_coord(origin[2]-50) // z
write_short(g_smokeSpr) // sprite
write_byte(random_num(15, 20)) // scale
write_byte(random_num(10, 20)) // framerate
message_end()
// Task not needed anymore
remove_task(taskid)
return;
}
// Randomly play burning zombie scream sounds
if (random_num(1, 20) == 1)
{
static sound[SOUND_MAX_LENGTH]
ArrayGetString(g_sound_grenade_fire_player, random_num(0, ArraySize(g_sound_grenade_fire_player) - 1), sound, charsmax(sound))
emit_sound(ID_BURN, CHAN_VOICE, sound, 1.0, ATTN_NORM, 0, PITCH_NORM)
}
// Fire slow down
if ((flags & FL_ONGROUND) && get_pcvar_float(cvar_grenade_fire_slowdown) > 0.0)
{
static Float:velocity[3]
pev(ID_BURN, pev_velocity, velocity)
xs_vec_mul_scalar(velocity, get_pcvar_float(cvar_grenade_fire_slowdown), velocity)
set_pev(ID_BURN, pev_velocity, velocity)
}
// Get player's health
new health = get_user_health(ID_BURN)
// Take damage from the fire
if (health - floatround(get_pcvar_float(cvar_grenade_fire_damage), floatround_ceil) > 0)
set_user_health(ID_BURN, health - floatround(get_pcvar_float(cvar_grenade_fire_damage), floatround_ceil))
// Flame sprite
message_begin(MSG_PVS, SVC_TEMPENTITY, origin)
write_byte(TE_SPRITE) // TE id
write_coord(origin[0]+random_num(-5, 5)) // x
write_coord(origin[1]+random_num(-5, 5)) // y
write_coord(origin[2]+random_num(-10, 10)) // z
write_short(g_flameSpr) // sprite
write_byte(random_num(5, 10)) // scale
write_byte(200) // brightness
message_end()
// Decrease burning duration counter
g_BurningDuration[ID_BURN]--
}
// Fire Grenade: Fire Blast
create_blast2(const Float:origin[3])
{
// Smallest ring
engfunc(EngFunc_MessageBegin, MSG_PVS, SVC_TEMPENTITY, origin, 0)
write_byte(TE_BEAMCYLINDER) // TE id
engfunc(EngFunc_WriteCoord, origin[0]) // x
engfunc(EngFunc_WriteCoord, origin[1]) // y
engfunc(EngFunc_WriteCoord, origin[2]) // z
engfunc(EngFunc_WriteCoord, origin[0]) // x axis
engfunc(EngFunc_WriteCoord, origin[1]) // y axis
engfunc(EngFunc_WriteCoord, origin[2]+385.0) // z axis
write_short(g_exploSpr) // sprite
write_byte(0) // startframe
write_byte(0) // framerate
write_byte(4) // life
write_byte(60) // width
write_byte(0) // noise
write_byte(200) // red
write_byte(100) // green
write_byte(0) // blue
write_byte(200) // brightness
write_byte(0) // speed
message_end()
// Medium ring
engfunc(EngFunc_MessageBegin, MSG_PVS, SVC_TEMPENTITY, origin, 0)
write_byte(TE_BEAMCYLINDER) // TE id
engfunc(EngFunc_WriteCoord, origin[0]) // x
engfunc(EngFunc_WriteCoord, origin[1]) // y
engfunc(EngFunc_WriteCoord, origin[2]) // z
engfunc(EngFunc_WriteCoord, origin[0]) // x axis
engfunc(EngFunc_WriteCoord, origin[1]) // y axis
engfunc(EngFunc_WriteCoord, origin[2]+470.0) // z axis
write_short(g_exploSpr) // sprite
write_byte(0) // startframe
write_byte(0) // framerate
write_byte(4) // life
write_byte(60) // width
write_byte(0) // noise
write_byte(200) // red
write_byte(50) // green
write_byte(0) // blue
write_byte(200) // brightness
write_byte(0) // speed
message_end()
// Largest ring
engfunc(EngFunc_MessageBegin, MSG_PVS, SVC_TEMPENTITY, origin, 0)
write_byte(TE_BEAMCYLINDER) // TE id
engfunc(EngFunc_WriteCoord, origin[0]) // x
engfunc(EngFunc_WriteCoord, origin[1]) // y
engfunc(EngFunc_WriteCoord, origin[2]) // z
engfunc(EngFunc_WriteCoord, origin[0]) // x axis
engfunc(EngFunc_WriteCoord, origin[1]) // y axis
engfunc(EngFunc_WriteCoord, origin[2]+555.0) // z axis
write_short(g_exploSpr) // sprite
write_byte(0) // startframe
write_byte(0) // framerate
write_byte(4) // life
write_byte(60) // width
write_byte(0) // noise
write_byte(200) // red
write_byte(0) // green
write_byte(0) // blue
write_byte(200) // brightness
write_byte(0) // speed
message_end()
}
// Set entity's rendering type (from fakemeta_util)
stock fm_set_rendering(entity, fx = kRenderFxNone, r = 255, g = 255, b = 255, render = kRenderNormal, amount = 16)
{
static Float:color[3]
color[0] = float(r)
color[1] = float(g)
color[2] = float(b)
set_pev(entity, pev_renderfx, fx)
set_pev(entity, pev_rendercolor, color)
set_pev(entity, pev_rendermode, render)
set_pev(entity, pev_renderamt, float(amount))
}
