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Merged
ShinyWasabi merged 2 commits into from
Aug 19, 2026
+56 −34
Merged

Improvements to ESP Skeleton #1095

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c33c302
Improvements to ESP Skeleton
rkwapisz Aug 18, 2026
0f6ece0
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rkwapisz Aug 18, 2026
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90 changes: 56 additions & 34 deletions src/game/frontend/ESP.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@
namespace
{
// Human
constexpr int headBone = 31086;
constexpr int headBone = 37193; //FB_Brow_Centre_000 is a much better bone to use as head
constexpr int neckBone = 39317;
constexpr int torsoBone = 23553;
constexpr int leftHandBone = 18905;
Expand Down Expand Up @@ -83,42 +83,66 @@ namespace YimMenu
static ImVec4 Blue = ImVec4(0.36f, 0.71f, 0.89f, 1.f);
static ImVec4 White = ImVec4(1.0f, 1.0f, 1.0f, 1.0f);

static auto worldToScreen = [](rage::fvector3 coords) {
// We want worldToScreen to return a bool since it will write {0.f, 0.f} to the screen vector if the entity is off-screen, messing up our draws
static auto worldToScreen = [](rage::fvector3 coords) -> std::optional<ImVec2> {
float screen_x{}, screen_y{};
if (!GRAPHICS::GET_SCREEN_COORD_FROM_WORLD_COORD(coords.x, coords.y, coords.z, &screen_x, &screen_y))
return std::nullopt;

GRAPHICS::GET_SCREEN_COORD_FROM_WORLD_COORD(coords.x, coords.y, coords.z, &screen_x, &screen_y);

// Instead of returning a zero vector if the bool is false, we will return a nullopt
return ImVec2{screen_x * (*Pointers.ScreenResX), screen_y * (*Pointers.ScreenResY)};
};

void DrawSkeleton(Ped ped, ImDrawList* drawList, ImColor color)
{
if (!ped.IsValid())
return;
drawList->AddLine(worldToScreen(ped.GetBonePosition(headBone)), worldToScreen(ped.GetBonePosition(neckBone)), color, 1.5f);

drawList->AddLine(worldToScreen(ped.GetBonePosition(neckBone)), worldToScreen(ped.GetBonePosition(leftShoulderBone)), color, 1.5f);
drawList->AddLine(worldToScreen(ped.GetBonePosition(leftShoulderBone)), worldToScreen(ped.GetBonePosition(leftElbowBone)), color, 1.5f);
drawList->AddLine(worldToScreen(ped.GetBonePosition(leftElbowBone)), worldToScreen(ped.GetBonePosition(leftHandBone)), color, 1.5f);
// Lambdas are great; use them so we don't have to individually edit parameters for every call to AddLine
auto drawBoneLine = [&](int boneA, int boneB) {
auto screenA = worldToScreen(ped.GetBonePosition(boneA));
auto screenB = worldToScreen(ped.GetBonePosition(boneB));

if (!screenA || !screenB)
return;

drawList->AddLine(worldToScreen(ped.GetBonePosition(neckBone)), worldToScreen(ped.GetBonePosition(rightShoulderBone)), color, 1.5f);
drawList->AddLine(worldToScreen(ped.GetBonePosition(rightShoulderBone)), worldToScreen(ped.GetBonePosition(rightElbowBone)), color, 1.5f);
drawList->AddLine(worldToScreen(ped.GetBonePosition(rightElbowBone)), worldToScreen(ped.GetBonePosition(rightHandBone)), color, 1.5f);
drawList->AddLine(*screenA, *screenB, color, 1.0f);
};

drawList->AddLine(worldToScreen(ped.GetBonePosition(neckBone)), worldToScreen(ped.GetBonePosition(torsoBone)), color, 1.5f);
// What's the point of drawing a skeleton if we don't draw the most important bone?
auto headScreen = worldToScreen(ped.GetBonePosition(headBone));
auto neckScreen = worldToScreen(ped.GetBonePosition(neckBone));

// We don't want the radius of the head circle to be static (too big at long range or too small close up), so let's scale it based on the length of the head to neck vector
if (headScreen && neckScreen)
{
float dx = headScreen->x - neckScreen->x;
float dy = headScreen->y - neckScreen->y;
float neckToHeadLength = std::sqrt(dx * dx + dy * dy);
float radius = neckToHeadLength * 0.25f;

drawList->AddLine(worldToScreen(ped.GetBonePosition(torsoBone)), worldToScreen(ped.GetBonePosition(leftKneeBone)), color, 1.5f);
drawList->AddLine(worldToScreen(ped.GetBonePosition(leftKneeBone)), worldToScreen(ped.GetBonePosition(leftFootBone)), color, 1.5f);
drawList->AddCircle(*headScreen, radius, color, 12, 1.5f);
}

drawList->AddLine(worldToScreen(ped.GetBonePosition(torsoBone)), worldToScreen(ped.GetBonePosition(rightKneeBone)), color, 1.5f);
drawList->AddLine(worldToScreen(ped.GetBonePosition(rightKneeBone)), worldToScreen(ped.GetBonePosition(rightFootBone)), color, 1.5f);
drawBoneLine(headBone, neckBone);
drawBoneLine(neckBone, leftShoulderBone);
drawBoneLine(leftShoulderBone, leftElbowBone);
drawBoneLine(leftElbowBone, leftHandBone);
drawBoneLine(neckBone, rightShoulderBone);
drawBoneLine(rightShoulderBone, rightElbowBone);
drawBoneLine(rightElbowBone, rightHandBone);
drawBoneLine(neckBone, torsoBone);
drawBoneLine(torsoBone, leftKneeBone);
drawBoneLine(leftKneeBone, leftFootBone);
drawBoneLine(torsoBone, rightKneeBone);
drawBoneLine(rightKneeBone, rightFootBone);
}

//TODO : Very bare bones currently, expand and possibly refactor
static void DrawPlayer(Player plyr, ImDrawList* drawList)
{
if (!plyr.IsValid() || !plyr.GetPed().IsValid() || plyr == Self::GetPlayer()
|| worldToScreen(plyr.GetPed().GetBonePosition(torsoBone)).x == 0
|| !worldToScreen(plyr.GetPed().GetBonePosition(torsoBone))
|| (plyr.GetPed().IsDead() && !Features::_ESPDrawDeadPlayers.GetState()))
return;

Expand All @@ -135,16 +159,16 @@ namespace YimMenu

if (Features::_ESPName.GetState())
{
drawList->AddText(worldToScreen(plyr.GetPed().GetBonePosition(headBone)),
plyr == Players::GetSelected() ? ImGui::ColorConvertFloat4ToU32(Blue) :
ImGui::ColorConvertFloat4ToU32(Features::_NameColorPlayers.GetState()),
plyr.GetName());
if (auto headScreen = worldToScreen(plyr.GetPed().GetBonePosition(headBone)))
{
drawList->AddText(*headScreen, plyr == Players::GetSelected() ? ImGui::ColorConvertFloat4ToU32(Blue) : ImGui::ColorConvertFloat4ToU32(Features::_NameColorPlayers.GetState()), plyr.GetName());
}
}

if (Features::_ESPDistance.GetState())
{
std::string distanceStr = std::to_string((int)Self::GetPed().GetPosition().GetDistance(plyr.GetPed().GetBonePosition(torsoBone))) + "m";
drawList->AddText({worldToScreen(plyr.GetPed().GetBonePosition(headBone)).x, worldToScreen(plyr.GetPed().GetBonePosition(headBone)).y + 20}, colorBasedOnDistance, distanceStr.c_str());
if (auto headScreen = worldToScreen(plyr.GetPed().GetBonePosition(headBone)))
drawList->AddText({headScreen->x, headScreen->y + 20}, colorBasedOnDistance, distanceStr.c_str());
}

//TODO Boxes, Distance colors, Friendlies, Tracers, Health bars
Expand All @@ -160,7 +184,7 @@ namespace YimMenu

static void DrawPed(Ped ped, ImDrawList* drawList)
{
if (!ped.IsValid() || ped.IsPlayer() || ped == Self::GetPlayer().GetPed() || worldToScreen(ped.GetBonePosition(torsoBone)).x == 0 || (ped.IsDead() && !Features::_ESPDrawDeadPeds.GetState()))
if (!ped.IsValid() || ped.IsPlayer() || ped == Self::GetPlayer().GetPed() || !worldToScreen(ped.GetBonePosition(torsoBone)) || (ped.IsDead() && !Features::_ESPDrawDeadPeds.GetState()))
return;

float distanceToPed = 0.0f;
Expand Down Expand Up @@ -205,15 +229,14 @@ namespace YimMenu
}

if (!info.empty())
drawList->AddText(worldToScreen(ped.GetBonePosition(headBone)), ImGui::ColorConvertFloat4ToU32(Features::_HashColorPeds.GetState()), info.c_str());
if (auto headScreen = worldToScreen(ped.GetBonePosition(headBone)))
drawList->AddText(*headScreen, ImGui::ColorConvertFloat4ToU32(Features::_HashColorPeds.GetState()), info.c_str());

if (Features::_ESPDistancePeds.GetState())
{
std::string distanceStr = std::to_string((int)distanceToPed) + "m";
drawList->AddText(
{worldToScreen(ped.GetBonePosition(headBone)).x, worldToScreen(ped.GetBonePosition(headBone)).y + 20},
colorBasedOnDistance,
distanceStr.c_str());
if (auto headScreen = worldToScreen(ped.GetBonePosition(headBone)))
drawList->AddText({headScreen->x, headScreen->y + 20}, colorBasedOnDistance, distanceStr.c_str());
}

//TODO Boxes, Distance colors, Tracers, Health bars
Expand Down Expand Up @@ -290,15 +313,14 @@ namespace YimMenu
info += " (Mission)";
}

drawList->AddText({worldToScreen(coords).x, worldToScreen(coords).y}, color, info.c_str());
if (auto screenPos = worldToScreen(coords))
drawList->AddText(*screenPos, color, info.c_str());

if (Features::_ESPDistanceObjects.GetState())
{
std::string distanceStr = std::to_string((int)distanceToObject) + "m";
drawList->AddText(
{worldToScreen(object.GetPosition()).x, worldToScreen(object.GetPosition()).y + 20},
colorBasedOnDistance,
distanceStr.c_str());
if (auto screenPos = worldToScreen(object.GetPosition()))
drawList->AddText({screenPos->x, screenPos->y + 20}, colorBasedOnDistance, distanceStr.c_str());
}
}

Expand Down
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