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Начинающий
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- 5 Авг 2023
- Сообщения
- 67
- Реакции
- 23
credits: llama/phillip/raxer and csgo source leak
anims.cpp:
#include "includes.h"
void anims::mini_update( Player* player ) {
C_AnimationLayer backup_layers[ 13 ];
player->GetAnimLayers( backup_layers );
// backup globalvars
float curtime = g_csgo.m_globals->m_curtime;
float frame = g_csgo.m_globals->m_frame;
float frametime = g_csgo.m_globals->m_frametime;
// set frametime to ipt just like on the server during simulation
g_csgo.m_globals->m_curtime = player->m_flSimulationTime( );
g_csgo.m_globals->m_frame = g_csgo.m_cl->m_server_tick;
g_csgo.m_globals->m_frametime = g_csgo.m_globals->m_interval;
// remove abs velocity
player->m_iEFlags( ) &= ~0x1000;
player->SetAbsVelocity( player->m_vecVelocity( ) );
// update animations
g_hooks.m_UpdateClientSideAnimation( player );
// restore layers to networked
player->SetAnimLayers( backup_layers );
// restore once we're done
g_csgo.m_globals->m_frame = frame;
g_csgo.m_globals->m_curtime = curtime;
g_csgo.m_globals->m_frametime = frametime;
}
void anims::update( Player* player, LagRecord* record, LagRecord* previous ) {
// get anim state
CCSGOPlayerAnimState *state = player->m_PlayerAnimState( );
// backup globalvars
float curtime = g_csgo.m_globals->m_curtime;
float frame = g_csgo.m_globals->m_frame;
float frametime = g_csgo.m_globals->m_frametime;
// backup stuff that we do not want to fuck with.
AnimationBackup_t backup;
backup.store( player );
// set frametime to ipt just like on the server during simulation
g_csgo.m_globals->m_curtime = record->m_anim_time;
g_csgo.m_globals->m_frame = g_csgo.m_cl->m_server_tick; // frame is server_tick on server simulation
g_csgo.m_globals->m_frametime = g_csgo.m_globals->m_interval;
// fuck origin interpolation
player->SetAbsOrigin( player->m_vecOrigin( ) );
// fix our animstate vars when animstate resets
if( state->m_last_update_time == 0.f || !previous ) {
state->m_on_ground = !!( player->m_fFlags( ) & FL_ONGROUND );
state->m_landing = false;
state->m_foot_yaw_last = state->m_foot_yaw = player->m_flLowerBodyYawTarget( );
state->m_eye_yaw = player->m_flLowerBodyYawTarget( );
state->m_eye_pitch = record->m_eye_angles.x;
state->m_primary_cycle = record->m_layers[ 6 ].m_cycle;
state->m_move_weight = record->m_layers[ 6 ].m_weight;
state->m_strafe_sequence = record->m_layers[ 7 ].m_sequence;
state->m_strafe_change_weight = record->m_layers[ 7 ].m_weight;
state->m_strafe_change_cycle = record->m_layers[ 7 ].m_cycle;
state->m_acceleration_weight = record->m_layers[ 12 ].m_weight;
player->m_flOldSimulationTime( ) = state->m_last_update_time = record->m_sim_time - g_csgo.m_globals->m_interval;
state->m_last_update_frame = g_csgo.m_cl->m_server_tick - 1;
state->m_duration_in_air = 0.f;
record->m_anim_velocity = player->m_vecVelocity( );
if( state->m_on_ground ) {
record->m_anim_velocity.z = 0.f;
if( ( state->m_primary_cycle == 0.f || state->m_move_weight == 0.f ) )
record->m_anim_velocity = vec3_t( );
}
}
// or fix animstate netvars using networked values
else if( previous ) {
player->SetAnimLayers( previous->m_layers );
player->SetPoseParameters( previous->m_poses );
state->m_primary_cycle = previous->m_layers[ 6 ].m_cycle;
state->m_move_weight = previous->m_layers[ 6 ].m_weight;
state->m_strafe_sequence = previous->m_layers[ 7 ].m_sequence;
state->m_strafe_change_weight = previous->m_layers[ 7 ].m_weight;
state->m_strafe_change_cycle = previous->m_layers[ 7 ].m_cycle;
state->m_acceleration_weight = previous->m_layers[ 12 ].m_weight;
// https://gitlab.com/KittenPopo/csgo-2018-source/-/blob/main/game/client/c_baseplayer.cpp#L1139
// void C_BasePlayer::PostDataUpdate( DataUpdateType_t updateType )
record->m_anim_velocity = ( record->m_origin - previous->m_origin ) * ( 1.f / game::TICKS_TO_TIME( record->m_lag ) );
// fix gravity
if( ( previous->m_flags & FL_ONGROUND )
&& ( record->m_flags & FL_ONGROUND ) ) {
record->m_anim_velocity.z = 0.f;
// fix fakewalk
if( record->m_layers[ 6 ].m_playback_rate == 0.f )
record->m_anim_velocity = vec3_t( );
}
// task for reader: add proper velocity recalculation
// hint CCSGOPlayerAnimState::SetUpAliveLoop
}
// run our resolver
if( !previous || ( record->m_lag != 1 || previous->m_lag != 1 ) )
g_resolver.ResolveAngles( player, record );
// update animations
for( int i = 1; i <= record->m_lag; i++ ) {
const float interp = std::clamp( static_cast< float >( i ) / static_cast< float >( record->m_lag ), 0.f, 1.f );
// interpolate everything to have an approximative simulation
if( previous && record->m_lag > 1 ) {
g_csgo.m_globals->m_curtime = math::Lerp( interp, previous->m_sim_time, record->m_sim_time );
player->m_vecVelocity( ) = math::Lerp( interp, previous->m_anim_velocity, record->m_anim_velocity );
player->m_flDuckAmount( ) = math::Lerp( interp, previous->m_duck, record->m_duck );
// task: fix land by calculating land time with layer 4 and 5
}
else
player->m_vecVelocity( ) = record->m_anim_velocity;
// remove abs velocity
player->m_iEFlags( ) &= ~0x1000;
player->SetAbsVelocity( player->m_vecVelocity( ) );
// apply our angles
player->m_angEyeAngles( ) = record->m_eye_angles;
// update animations
g_hooks.m_UpdateClientSideAnimation( player );
// store our abs angles and pose parameters
record->m_abs_ang = ang_t( 0.f, state->m_foot_yaw, 0.f );
player->GetPoseParameters( record->m_poses );
}
// update player bounds
player->UpdateCollisionBounds();
record->m_maxs = player->m_vecMaxs( );
record->m_mins = player->m_vecMins( );
// restore our layers to networked and run our setupbones
player->SetAnimLayers( record->m_layers );
record->m_setup = player->SetupBones( record->m_bones, 128, BONE_USED_BY_ANYTHING, state->m_last_update_time );
// restore our animation data
backup.apply( player );
// restore once we're done
g_csgo.m_globals->m_frame = frame;
g_csgo.m_globals->m_curtime = curtime;
g_csgo.m_globals->m_frametime = frametime;
}
// task: hook C_BasePlayer::PostDataUpdate() and call this in it
// or use FRAME_NET_UPDATE_POSTDATAUPDATE_START
void anims::player_instance( Player* player ) {
if( !player )
return;
CCSGOPlayerAnimState *state = player->m_PlayerAnimState( );
if ( !state )
return;
AimPlayer* data = &g_aimbot.m_players[ player->index( ) - 1 ];
if( !player->alive( ) || !g_cl.m_processing ) {
if( player->m_flSimulationTime( ) != player->m_flOldSimulationTime( ) )
mini_update( player );
data->m_records.clear( );
data->m_clear_next = true;
return;
}
if( player->dormant( ) ) {
if( data->m_records.empty( ) || !data->m_records[ 0 ]->dormant( ) ) {
data->m_records.emplace_front( std::make_shared< LagRecord >( player ) );
LagRecord* current = data->m_records.front( ).get( );
current->m_dormant = true;
current->m_setup = false;
}
data->m_clear_next = true;
return;
}
const float new_spawn = player->m_flSpawnTime( );
// fix
if( player != data->m_player || data->m_clear_next || data->m_spawn != new_spawn ) {
// reset animation state and records (they're all invalid)
game::ResetAnimationState( state );
data->m_records.clear( );
data->m_walk_record = LagRecordMove{ };
// alternative fix
player->m_flOldSimulationTime( ) = player->m_flSimulationTime( ) - g_csgo.m_globals->m_interval;
}
// update our vars
data->m_player = player;
data->m_clear_next = false;
data->m_spawn = new_spawn;
// player updated
if( data->m_records.empty( ) || data->m_records[ 0 ]->m_sim_time != player->m_flSimulationTime( ) ) {
// emplace new record
data->m_records.emplace_front( std::make_shared< LagRecord >( player ) );
// get our new record
LagRecord* current = data->m_records.front( ).get( );
current->m_dormant = false;
// update animations
update( player, current, data->m_records.size( ) > 1 ? data->m_records[ 1 ].get( ) : nullptr );
}
// don't store records that are too old
while( data->m_records.size( ) > 1 ) {
if( std::abs( g_csgo.m_cl->m_server_tick - data->m_records.back( )->m_tick ) < 256 )
break;
data->m_records.pop_back( );
}
}
anims.h:
#pragma once
namespace anims {
void mini_update( Player* player );
void update( Player* player, LagRecord* record, LagRecord* previous );
void player_instance( Player* player );
}
struct AnimationBackup_t {
vec3_t m_origin, m_abs_origin;
vec3_t m_velocity, m_abs_velocity;
int m_flags, m_eflags;
float m_duck, m_body;
C_AnimationLayer m_layers[ 13 ];
__forceinline void apply( Player* m_player ) {
m_player->m_vecOrigin( ) = m_origin;
m_player->m_vecVelocity( ) = m_velocity;
m_player->m_vecAbsVelocity( ) = m_abs_velocity;
m_player->m_fFlags( ) = m_flags;
m_player->m_iEFlags( ) = m_eflags;
m_player->m_flDuckAmount( ) = m_duck;
m_player->m_flLowerBodyYawTarget( ) = m_body;
m_player->SetAbsOrigin( m_abs_origin );
m_player->SetAnimLayers( m_layers );
}
__forceinline void store( Player* m_player ) {
m_origin = m_player->m_vecOrigin( );
m_abs_origin = m_player->GetAbsOrigin( );
m_velocity = m_player->m_vecVelocity( );
m_abs_velocity = m_player->m_vecAbsVelocity( );
m_flags = m_player->m_fFlags( );
m_eflags = m_player->m_iEFlags( );
m_duck = m_player->m_flDuckAmount( );
m_body = m_player->m_flLowerBodyYawTarget( );
m_player->GetAnimLayers( m_layers );
}
};
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