minecraft-pi-reborn/mods/src/misc/logging.cpp
2021-11-13 23:29:48 -05:00

109 lines
3.1 KiB
C++

#include <string>
#include <libreborn/libreborn.h>
#include <symbols/minecraft.h>
#include "misc.h"
// Print Chat To Log
static bool Gui_addMessage_recursing = false;
static void Gui_addMessage_injection(unsigned char *gui, std::string const& text) {
// Sanitize Message
char *new_message = strdup(text.c_str());
ALLOC_CHECK(new_message);
sanitize_string(&new_message, -1, 1);
// Process Message
if (!Gui_addMessage_recursing) {
// Start Recursing
Gui_addMessage_recursing = true;
// Print Log Message
fprintf(stderr, "[CHAT]: %s\n", new_message);
// Call Original Method
(*Gui_addMessage)(gui, std::string(new_message));
// End Recursing
Gui_addMessage_recursing = false;
} else {
// Call Original Method
(*Gui_addMessage)(gui, std::string(new_message));
}
// Free
free(new_message);
}
// Check If Two Percentages Are Different Enough To Be Logged
#define SIGNIFICANT_PROGRESS 5
static bool is_progress_difference_significant(int32_t new_val, int32_t old_val) {
if (new_val != old_val) {
if (new_val == -1 || old_val == -1) {
return true;
} else if (new_val == 0 || new_val == 100) {
return true;
} else {
return new_val - old_val >= SIGNIFICANT_PROGRESS;
}
} else {
return false;
}
}
// Print Progress Reports
static int last_progress = -1;
static const char *last_message = NULL;
static void print_progress(unsigned char *minecraft) {
const char *message = (*Minecraft_getProgressMessage)(minecraft);
int32_t progress = *(int32_t *) (minecraft + Minecraft_progress_property_offset);
if ((*Minecraft_isLevelGenerated)(minecraft)) {
message = "Ready";
progress = -1;
}
if (message != NULL) {
bool message_different = message != last_message;
bool progress_significant = is_progress_difference_significant(progress, last_progress);
if (message_different || progress_significant) {
if (progress != -1) {
INFO("Status: %s: %i%%", message, progress);
} else {
INFO("Status: %s", message);
}
if (message_different) {
last_message = message;
}
if (progress_significant) {
last_progress = progress;
}
}
}
}
// Print Progress Reports Regularly
static void Minecraft_update_injection(unsigned char *minecraft) {
// Print Progress Reports
print_progress(minecraft);
}
// Log When Game Is Saved
void Level_saveLevelData_injection(unsigned char *level) {
// Print Log Message
INFO("%s", "Saving Game");
// Call Original Method
(*Level_saveLevelData)(level);
}
// Init
void _init_misc_logging() {
// Print Chat To Log
overwrite_calls((void *) Gui_addMessage, (void *) Gui_addMessage_injection);
// Print Progress Reports
misc_run_on_update(Minecraft_update_injection);
// Print Log On Game Save
overwrite_calls((void *) Level_saveLevelData, (void *) Level_saveLevelData_injection);
}