mirror of https://github.com/OpenRCT2/OpenRCT2.git
Eliminate copying of paint_struct, initialize data in-place
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e2021fcbce
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cb5b1fb9ef
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@ -1,4 +1,4 @@
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/*****************************************************************************
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/*****************************************************************************
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* Copyright (c) 2014-2020 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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@ -135,17 +135,17 @@ static constexpr CoordsXYZ RotateBoundBoxSize(const CoordsXYZ& bbSize, const uin
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/**
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* Extracted from 0x0098196c, 0x0098197c, 0x0098198c, 0x0098199c
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*/
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static std::optional<paint_struct> CreateNormalPaintStruct(
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static paint_struct* CreateNormalPaintStruct(
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paint_session* session, const uint32_t image_id, const CoordsXYZ& offset, const CoordsXYZ& boundBoxSize,
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const CoordsXYZ& boundBoxOffset)
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{
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if (session->NoPaintStructsAvailable())
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return std::nullopt;
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return nullptr;
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auto* const g1 = gfx_get_g1_element(image_id & 0x7FFFF);
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if (g1 == nullptr)
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{
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return std::nullopt;
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return nullptr;
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}
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const uint8_t swappedRotation = (session->CurrentRotation * 3) % 4; // swaps 1 and 3
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@ -156,32 +156,32 @@ static std::optional<paint_struct> CreateNormalPaintStruct(
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if (!ImageWithinDPI(imagePos, *g1, session->DPI))
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{
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return std::nullopt;
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return nullptr;
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}
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const auto rotBoundBoxOffset = CoordsXYZ{ boundBoxOffset.Rotate(swappedRotation), boundBoxOffset.z };
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const auto rotBoundBoxSize = RotateBoundBoxSize(boundBoxSize, session->CurrentRotation);
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paint_struct ps;
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ps.image_id = image_id;
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ps.x = imagePos.x;
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ps.y = imagePos.y;
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ps.bounds.x_end = rotBoundBoxSize.x + rotBoundBoxOffset.x + session->SpritePosition.x;
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ps.bounds.y_end = rotBoundBoxSize.y + rotBoundBoxOffset.y + session->SpritePosition.y;
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ps.bounds.z_end = rotBoundBoxSize.z + rotBoundBoxOffset.z;
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ps.bounds.x = rotBoundBoxOffset.x + session->SpritePosition.x;
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ps.bounds.y = rotBoundBoxOffset.y + session->SpritePosition.y;
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ps.bounds.z = rotBoundBoxOffset.z;
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ps.flags = 0;
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ps.attached_ps = nullptr;
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ps.children = nullptr;
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ps.sprite_type = session->InteractionType;
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ps.var_29 = 0;
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ps.map_x = session->MapPosition.x;
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ps.map_y = session->MapPosition.y;
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ps.tileElement = reinterpret_cast<TileElement*>(const_cast<void*>(session->CurrentlyDrawnItem));
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paint_struct* ps = session->AllocateNormalPaintEntry();
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ps->image_id = image_id;
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ps->x = imagePos.x;
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ps->y = imagePos.y;
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ps->bounds.x_end = rotBoundBoxSize.x + rotBoundBoxOffset.x + session->SpritePosition.x;
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ps->bounds.y_end = rotBoundBoxSize.y + rotBoundBoxOffset.y + session->SpritePosition.y;
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ps->bounds.z_end = rotBoundBoxSize.z + rotBoundBoxOffset.z;
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ps->bounds.x = rotBoundBoxOffset.x + session->SpritePosition.x;
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ps->bounds.y = rotBoundBoxOffset.y + session->SpritePosition.y;
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ps->bounds.z = rotBoundBoxOffset.z;
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ps->flags = 0;
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ps->attached_ps = nullptr;
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ps->children = nullptr;
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ps->sprite_type = session->InteractionType;
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ps->var_29 = 0;
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ps->map_x = session->MapPosition.x;
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ps->map_y = session->MapPosition.y;
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ps->tileElement = reinterpret_cast<TileElement*>(const_cast<void*>(session->CurrentlyDrawnItem));
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return { ps };
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return ps;
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}
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template<uint8_t direction> void PaintSessionGenerateRotate(paint_session* session)
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@ -732,14 +732,13 @@ paint_struct* PaintAddImageAsParent(
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CoordsXYZ offset = { x_offset, y_offset, z_offset };
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CoordsXYZ boundBoxSize = { bound_box_length_x, bound_box_length_y, bound_box_length_z };
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CoordsXYZ boundBoxOffset = { bound_box_offset_x, bound_box_offset_y, bound_box_offset_z };
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auto newPS = CreateNormalPaintStruct(session, image_id, offset, boundBoxSize, boundBoxOffset);
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if (!newPS.has_value())
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auto* ps = CreateNormalPaintStruct(session, image_id, offset, boundBoxSize, boundBoxOffset);
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if (ps == nullptr)
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{
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return nullptr;
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}
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auto* ps = session->AllocateNormalPaintEntry(std::move(*newPS));
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PaintSessionAddPSToQuadrant(session, ps);
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return ps;
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@ -776,13 +775,14 @@ paint_struct* PaintAddImageAsParent(
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CoordsXYZ offset = { x_offset, y_offset, z_offset };
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CoordsXYZ boundBoxSize = { bound_box_length_x, bound_box_length_y, bound_box_length_z };
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CoordsXYZ boundBoxOffset = { bound_box_offset_x, bound_box_offset_y, bound_box_offset_z };
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auto ps = CreateNormalPaintStruct(session, image_id, offset, boundBoxSize, boundBoxOffset);
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if (!ps.has_value())
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auto* ps = CreateNormalPaintStruct(session, image_id, offset, boundBoxSize, boundBoxOffset);
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if (ps == nullptr)
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{
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return nullptr;
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}
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return session->AllocateNormalPaintEntry(std::move(*ps));
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return ps;
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}
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/**
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@ -806,23 +806,22 @@ paint_struct* PaintAddImageAsChild(
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paint_session* session, uint32_t image_id, const CoordsXYZ& offset, const CoordsXYZ& boundBoxLength,
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const CoordsXYZ& boundBoxOffset)
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{
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if (session->LastPS == nullptr)
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paint_struct* parentPS = session->LastPS;
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if (parentPS == nullptr)
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{
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return PaintAddImageAsParent(
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session, image_id, offset.x, offset.y, boundBoxLength.x, boundBoxLength.y, boundBoxLength.z, offset.z,
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boundBoxOffset.x, boundBoxOffset.y, boundBoxOffset.z);
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}
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auto newPS = CreateNormalPaintStruct(session, image_id, offset, boundBoxLength, boundBoxOffset);
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if (!newPS.has_value())
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auto* ps = CreateNormalPaintStruct(session, image_id, offset, boundBoxLength, boundBoxOffset);
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if (ps == nullptr)
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{
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return nullptr;
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}
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paint_struct* parentPS = session->LastPS;
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auto ps = session->AllocateNormalPaintEntry(std::move(*newPS));
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parentPS->children = ps;
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return ps;
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}
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@ -848,24 +847,25 @@ paint_struct* PaintAddImageAsChild(
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*/
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bool PaintAttachToPreviousAttach(paint_session* session, uint32_t image_id, int16_t x, int16_t y)
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{
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if (session->LastAttachedPS == nullptr)
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{
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return PaintAttachToPreviousPS(session, image_id, x, y);
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}
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if (session->NoPaintStructsAvailable())
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{
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return false;
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}
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attached_paint_struct ps;
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ps.image_id = image_id;
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ps.x = x;
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ps.y = y;
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ps.flags = 0;
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ps.next = nullptr;
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attached_paint_struct* previousAttachedPS = session->LastAttachedPS;
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previousAttachedPS->next = session->AllocateAttachedPaintEntry(std::move(ps));
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if (previousAttachedPS == nullptr)
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{
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return PaintAttachToPreviousPS(session, image_id, x, y);
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}
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attached_paint_struct* ps = session->AllocateAttachedPaintEntry();
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ps->image_id = image_id;
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ps->x = x;
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ps->y = y;
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ps->flags = 0;
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ps->next = nullptr;
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previousAttachedPS->next = ps;
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return true;
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}
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@ -884,12 +884,6 @@ bool PaintAttachToPreviousPS(paint_session* session, uint32_t image_id, int16_t
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{
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return false;
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}
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attached_paint_struct ps;
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ps.image_id = image_id;
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ps.x = x;
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ps.y = y;
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ps.flags = 0;
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paint_struct* masterPs = session->LastPS;
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if (masterPs == nullptr)
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@ -897,11 +891,15 @@ bool PaintAttachToPreviousPS(paint_session* session, uint32_t image_id, int16_t
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return false;
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}
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auto* psPtr = session->AllocateAttachedPaintEntry(std::move(ps));
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attached_paint_struct* ps = session->AllocateAttachedPaintEntry();
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ps->image_id = image_id;
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ps->x = x;
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ps->y = y;
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ps->flags = 0;
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attached_paint_struct* oldFirstAttached = masterPs->attached_ps;
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masterPs->attached_ps = psPtr;
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psPtr->next = oldFirstAttached;
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masterPs->attached_ps = ps;
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ps->next = oldFirstAttached;
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return true;
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}
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@ -925,15 +923,6 @@ void PaintFloatingMoneyEffect(
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return;
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}
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paint_string_struct ps;
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ps.string_id = string_id;
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ps.next = nullptr;
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ps.args[0] = amount;
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ps.args[1] = y;
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ps.args[2] = 0;
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ps.args[3] = 0;
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ps.y_offsets = reinterpret_cast<uint8_t*>(y_offsets);
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const CoordsXYZ position = {
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session->SpritePosition.x,
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session->SpritePosition.y,
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};
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const auto coord = translate_3d_to_2d_with_z(rotation, position);
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ps.x = coord.x + offset_x;
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ps.y = coord.y;
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session->AllocateStringPaintEntry(std::move(ps));
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paint_string_struct* ps = session->AllocateStringPaintEntry();
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ps->string_id = string_id;
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ps->next = nullptr;
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ps->args[0] = amount;
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ps->args[1] = y;
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ps->args[2] = 0;
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ps->args[3] = 0;
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ps->y_offsets = reinterpret_cast<uint8_t*>(y_offsets);
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ps->x = coord.x + offset_x;
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ps->y = coord.y;
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}
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/**
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@ -175,25 +175,22 @@ struct paint_session
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return NextFreePaintStruct >= EndOfPaintStructArray;
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}
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constexpr paint_struct* AllocateNormalPaintEntry(paint_struct&& entry) noexcept
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constexpr paint_struct* AllocateNormalPaintEntry() noexcept
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{
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NextFreePaintStruct->basic = entry;
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LastPS = &NextFreePaintStruct->basic;
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NextFreePaintStruct++;
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return LastPS;
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}
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constexpr attached_paint_struct* AllocateAttachedPaintEntry(attached_paint_struct&& entry) noexcept
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constexpr attached_paint_struct* AllocateAttachedPaintEntry() noexcept
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{
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NextFreePaintStruct->attached = entry;
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LastAttachedPS = &NextFreePaintStruct->attached;
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NextFreePaintStruct++;
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return LastAttachedPS;
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}
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constexpr paint_string_struct* AllocateStringPaintEntry(paint_string_struct&& entry) noexcept
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constexpr paint_string_struct* AllocateStringPaintEntry() noexcept
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{
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NextFreePaintStruct->string = entry;
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if (LastPSString == nullptr)
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{
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PSStringHead = &NextFreePaintStruct->string;
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