Source.Python forums

Posted: **Wed Jan 29, 2020 4:47 am**

I'm trying to change push speed of trigger_push entity, Fortunately, push direction of the trigger is declared as datamap property, so it easy to change but the pushspeed - no.
I found out offset from CBaseTrigger to the variable is 0x74. But nothing happen when I set myself pushspeed, it remains the same actually.

CTriggerPush::Touch: https://github.com/ValveSoftware/source ... .cpp#L2242

Syntax: Select all

trigger_push_touch = server_binary['_ZN12CTriggerPush5TouchEP11CBaseEntity'].make_function(
    Convention.THISCALL,
    (DataType.POINTER, DataType.POINTER),
    DataType.VOID
)

@PreHook(trigger_push_touch)
def pre_hook(stack_data):
    print(stack_data[0].get_float(0x74)) # Real m_flPushspeed
    stack_data[0].set_float(512.0, 0x74) # Changed but it doesn't lead to anything.

Posted: **Wed Jan 29, 2020 7:17 am**

Maybe?

Code: Select all

stack_data[0].set_float(0x74, 512.0)

http://wiki.sourcepython.com/developing ... .set_float

Posted: **Wed Jan 29, 2020 7:45 am**

Sam wrote:Maybe?
Code: Select all
stack_data[0].set_float(0x74, 512.0)

http://wiki.sourcepython.com/developing ... .set_float

set_float((Pointer)arg1, (float)arg2[, (Channel)offset=0]) → None

Posted: **Wed Jan 29, 2020 7:54 am**

Your offset is definitely wrong. No way 0x74 is pointing to CTriggerPush::m_flPushSpeed. Hint:

Syntax: Select all

from entities.entity import Entity
from mathlib import Vector
from memory import get_size

entity = Entity.find_or_create('trigger_push')
print(
    'm_flPushSpeed\'s offset is between ' +
    f"{entity.datamap.find('m_vecPushDir').offset + get_size(Vector)} and " +
    f"{entity.factory.size}."
)

Posted: **Wed Jan 29, 2020 10:44 am**

L'In20Cible wrote:Your offset is definitely wrong. No way 0x74 is pointing to CTriggerPush::m_flPushSpeed. Hint:

Syntax: Select all

from entities.entity import Entity
from mathlib import Vector
from memory import get_size

entity = Entity.find_or_create('trigger_push')
print(
    'm_flPushSpeed\'s offset is between ' +
    f"{entity.datamap.find('m_vecPushDir').offset + get_size(Vector)} and " +
    f"{entity.factory.size}."
)

Thank you!

Syntax: Select all

@PreHook(trigger_push_touch)
def pre_hook(stack_data):
    index = index_from_pointer(stack_data[1])

    if 0 < index < 65:
        player = playerdict[index]

        if player.playing_style.trigger_push_scale >= 0:
            default = stack_data[0].get_float(0x484)
            
            stack_data[0].set_float(default * player.playing_style.trigger_push_scale, 0x484)
            trigger_push_touch.skip_hooks(stack_data[0], stack_data[1])
            stack_data[0].set_float(default, 0x484)

            return False

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