minecraft-pi-reborn/mods/src/misc/misc.c

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#include <libreborn/libreborn.h>
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#include "../feature/feature.h"
#include "misc.h"
#include "../init/init.h"
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#include <libreborn/minecraft.h>
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#define NEW_PATH "/.minecraft-pi/"
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// Render Selected Item Text
static void Gui_renderChatMessages_injection(unsigned char *gui, int32_t param_1, uint32_t param_2, uint32_t param_3, unsigned char *font) {
// Call Original Method
(*Gui_renderChatMessages)(gui, param_1, param_2, param_3, font);
// Calculate Selected Item Text Scale
unsigned char *minecraft = *(unsigned char **) (gui + Gui_minecraft_property_offset);
int32_t screen_width = *(int32_t *) (minecraft + Minecraft_screen_width_property_offset);
float scale = ((float) screen_width) * *InvGuiScale;
// Render Selected Item Text
(*Gui_renderOnSelectItemNameText)(gui, (int32_t) scale, font, param_1 - 0x13);
}
// Reset Selected Item Text Timer On Slot Select
static uint32_t reset_selected_item_text_timer = 0;
static void Gui_tick_injection(unsigned char *gui) {
// Call Original Method
(*Gui_tick)(gui);
// Handle Reset
float *selected_item_text_timer = (float *) (gui + Gui_selected_item_text_timer_property_offset);
if (reset_selected_item_text_timer) {
// Reset
*selected_item_text_timer = 0;
reset_selected_item_text_timer = 0;
}
}
// Trigger Reset Selected Item Text Timer On Slot Select
static void Inventory_selectSlot_injection(unsigned char *inventory, int32_t slot) {
// Call Original Method
(*Inventory_selectSlot)(inventory, slot);
// Trigger Reset Selected Item Text Timer
reset_selected_item_text_timer = 1;
}
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void init_misc() {
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// Store Data In ~/.minecraft-pi Instead Of ~/.minecraft
patch_address((void *) default_path, (void *) NEW_PATH);
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if (feature_has("Remove Invalid Item Background")) {
// Remove Invalid Item Background (A Red Background That Appears For Items That Are Not Included In The gui_blocks Atlas)
unsigned char invalid_item_background_patch[4] = {0x00, 0xf0, 0x20, 0xe3};
patch((void *) 0x63c98, invalid_item_background_patch);
}
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// Fix Selected Item Text
overwrite_calls((void *) Gui_renderChatMessages, (void *) Gui_renderChatMessages_injection);
overwrite_calls((void *) Gui_tick, (void *) Gui_tick_injection);
overwrite_calls((void *) Inventory_selectSlot, (void *) Inventory_selectSlot_injection);
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// Init C++
init_misc_cpp();
}