mirror of
https://github.com/PodeCaradox/GalaxyQuest-SteamFrame.git
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bigmak94andClaude Opus 5.5
4b395efe5c
The sources of Petari (https://github.com/SMGCommunity/Petari), the Super Mario Galaxy decompilation by the SMGCommunity, at commit 0a5c6608dc3b4c44a9aa68c2535d1793dc565f02, unchanged but for LF line endings: LICENSE (as LICENSE-Petari.txt; CC0 1.0), include/, libs/ and src/. Left out: the game data Petari keeps from the original executable, the error message archive (include/Game/System/ ErrorArchive.hpp) and two tables (src/Game/System/GalaxyID.bcsv and StoryEvent.bcsv); GalaxyQuest's converter takes them from the player's own disc. The port's changes follow in the next commit, so `git diff petari-base -- decomp` shows them. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
#pragma once
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#include <revolution.h>
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/// @brief The controller for linearly interpolating a value over time.
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class ValueControl {
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public:
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/// @brief The direction of progression.
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enum Direction {
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/// @brief The value should approach `0.0`.
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Direction_Backward = -1,
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/// @brief The value should approach `1.0`.
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Direction_Forward = 1,
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};
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/// @brief Creates a new `ValueControl`.
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/// @param maxFrame The maximum number of frames.
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ValueControl(int maxFrame);
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/// @brief Updates the direction of progression to approach `1.0`.
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void setDirToOne();
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/// @brief Updates the direction of progression to approach `1.0` and minimizes the current frame.
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void setDirToOneResetFrame();
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/// @brief Updates the direction of progression to approach `0.0`.
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void setDirToZero();
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/// @brief Updates the direction of progression to approach `0.0` and maximizes the current frame.
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void setDirToZeroResetFrame();
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/// @brief Updates the maximum number of frames, preserving the value of progression.
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/// @param maxFrame The new maximum number of frames.
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void setMaxFrame(int maxFrame);
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/// @brief Updates the current frame based on the direction of progression.
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void update();
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/// @brief Updates the direction of progression to approach `0.0` and minimizes the current frame.
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void setZero();
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/// @brief Updates the direction of progression to approach `1.0` and maximizes the current frame.
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void setOne();
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/// @brief Returns the value of progression between the unit interval.
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/// @return The value of progression.
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f32 getValue() const;
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/// @brief Returns the sign of the direction of progression.
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/// @retval -1 The value approaches `0.0`.
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/// @retval 1 The value approaches `1.0`.
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s32 getDirection() const;
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/// @brief Resets the current frame based on the direction of progression.
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void resetFrame();
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inline bool isFrameMaxFrame() {
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return mFrame == mMaxFrame;
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}
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/// @brief The current frame.
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/* 0x0 */ s32 mFrame;
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/// @brief The maximum number of frames.
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/* 0x4 */ s32 mMaxFrame;
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/// @brief The sign of the direction of progression.
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/* 0x8 */ s32 mDirection;
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private:
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/// @brief Determines if the given direction of progression suggests approaching `0.0`.
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/// @param direction The sign of the direction of progression to test.
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/// @return `true` if the direction suggests approaching `0.0`, `false` otherwise.
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static bool isDirToZero(s32 direction) {
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return (u32)(-direction & ~direction) >> 31 == 0;
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}
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};
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