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94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
#pragma once
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#include "globalincs/pstypes.h"
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#include "osapi/osapi.h"
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namespace osapi {
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/**
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* @brief A debug window
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*
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* A debug window is a separate os::Viewport which displays additional debug information at runtime.
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*/
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class DebugWindow {
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/**
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* A single line in the debug log can have multiple properties which are stored in this structure
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*/
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struct LineInfo {
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SCP_string category;
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SCP_string text;
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};
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os::Viewport* debug_view = nullptr; //!< The viewport in which the debug output is shown
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SDL_Window* debug_sdl_window = nullptr; //!< The SDL window handle of the debug view
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SCP_vector<LineInfo> lines; //!< Finished lines
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SCP_string current_category; //!< The category of the current line
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SCP_string current_line; //!< Line that is currently being constructed, may be empty
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int max_category_width = 0; //!< The maximum width of any category string encountered thus far
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size_t log_view_offset = 0; //!< The offset into the @c lines array of the last message to display
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/**
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* @brief Adds the specified line to the log
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* @param line The line
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*/
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void addToLog(LineInfo&& line);
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/**
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* @brief Prints a line of the log to the screen
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* @param bottom_y The bottom position of where the text should be drawn
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* @param line The line to draw
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* @return The new bottom position for the next line
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*/
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float print_line(float bottom_y, const LineInfo& line);
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/**
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* @brief Splits current_line into individual strings and adds them to the log
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*
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* Since debug output can contain multiple newlines in one string we need to split them before storing them in the vector
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*
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* @param category The category to use for these lines
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*/
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void split_current_and_add_to_log(const SCP_string& category);
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/**
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* @brief Event handler for window events
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*
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* @details This handles the keyboard events for the debug window
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*
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* @param evt The keyboard event
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* @return @c true if the event was handled, @c false otherwise
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*/
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bool debug_key_handler(const SDL_Event& evt);
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public:
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/**
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* @brief Initializes the instance
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*/
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DebugWindow();
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~DebugWindow();
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/**
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* @brief Renders the contents of the debug log
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*
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* This does all the viewport switching and page flipping automatically
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*
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* @param frametime The time the last frame took to process
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*/
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void doFrame(float frametime);
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/**
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* @brief Adds a debug log line to the buffer
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*
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* @param category The category of the specified text
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* @param text The text to print to the debug log
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*/
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void addDebugMessage(const char* category, const char* text);
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};
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}
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