Avoid using the `m_aaGlyphData` temporary buffer for uploading glyphs. Instead, allocate the required memory for the glyphs directly and allow the graphics backend to take ownership of the buffer when updating text textures. This avoids copying the glyph data into the temporary buffer when uploading individual glyphs.
This also avoids crashes when rendering very large glyphs with large font sizes, due to the buffer `m_aaGlyphData` having a fixed size of `64 * 1024` while the maximum glyph size is not checked. This fixed size could be exceeded with glyphs larger than 256² in rendered dimensions. There should currently be no glyph in our fonts which is that large and also no font size so large that this could happen.
The change info message was being resent too fast/slow because `m_aCheckInfo` was decremented every frame whereas it was intended to be decremented every tick. As `m_aCheckInfo` is set to `Client()->GameTickSpeed()` after sending the info, it's likely that this was intended as one second delay. With debug messages is can be confirmed that the change info message was previously resent more than 10 times per second with high FPS on a local server.
Also fix the info resending delay not being reset when reconnecting a dummy on 0.7 servers.
Log more detailed error messages when fonts could not be loaded and when the font index is malformed. Show warning popup on client launch if any font failed to load, although this warning won't be readable if all fonts failed to be loaded.
Add a command to clear all lines of chat messages, same as the `clear_local_console`/`clear_remote_console` commands for the consoles. This is useful for example when taking screenshots or recording videos with initially empty chat.
Fix out-of-bounds reads in ghost loader when current chunk does not contain enough data for expected number of items.
Improve validation of ghost header information. Ensure strings (owner and map name) are null-terminated and valid UTF-8 to avoid crashes. Avoid duplicate code for validating header.
Remove `static` buffers for compression and decompression of ghost data, which would prevent parallelizing ghost recording and loading. Switch between the main buffer and only one temporary buffer instead of using two temporary buffers.
Automatically delete the ghost file when the recording is stopped with the number of ticks or time being invalid, i.e. when ghost recording will be restarted. This should ensure that invalid ghost files are not left behind if recording is not immediately restarted after being stopped, e.g. due to edge cases like standing inside a start-tile.
Use `int32_t` for `DiffItem` and `UndiffItem` data pointers as these functions are expected to operate on 32-bit integers. Ensure chunk and item data is aligned with `int32_t` to avoid potential unaligned accesses. Use `size_t` for size arguments.
Add assertions to ghost loader and recorder functions to ensure their correct usage. Ensure a file is not already open when opening another one and ensure that a file is open when reading/writing. Ensure that the ghost data type is valid, i.e. between `0` and `0xFF` because it is packed into an `unsigned char`. Ensure data size is valid and aligned with `int32_t`, otherwise data would be packed incorrectly by the `DiffItem` function. Improve error messages, consistent with the error messages of the demo player and recorder. Use the `log_*` functions for logging. Use the same color for all ghost-related log messages.
Avoid `system.h` include in `ghost.h` by moving `CGhostHeader` function definitions to `ghost.cpp`.
Closes#7413.
Simplify the code by replacing the usage of a linked list and heap with an `std::vector`.
The assignment operators are replaced with copy constructors to use `std::vector`.
ChillerDragon
