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Add Classic HUD

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This commit is contained in:
TheBrokenRail 2022-07-13 22:11:46 -04:00
parent 9fe6a2fb39
commit 6c89e64f8b
3 changed files with 56 additions and 2 deletions
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1
launcher/src/client/available-feature-flags
View File

@ -39,3 +39,4 @@ TRUE Improved Button Hover Behavior
TRUE Implement Create World Dialog
FALSE Remove Forced GUI Lag (Can Break Joining Servers)
TRUE Add Buckets
TRUE Classic HUD

56
mods/src/misc/misc.c
View File

@ -15,13 +15,54 @@
#include "misc-internal.h"
#include <mods/misc/misc.h>
// Maximum Username Length
#define MAX_USERNAME_LENGTH 16
// Classic HUD
#define DEFAULT_HUD_PADDING 2
#define HUD_ELEMENT_WIDTH 82
#define HUD_ELEMENT_HEIGHT 9
#define DEFAULT_BUBBLES_PADDING 1
#define NUMBER_OF_SLOTS 9
static int use_classic_hud = 0;
static void Gui_renderHearts_GuiComponent_blit_hearts_injection(unsigned char *component, int32_t x_dest, int32_t y_dest, int32_t x_src, int32_t y_src, int32_t width_dest, int32_t height_dest, int32_t width_src, int32_t height_src) {
unsigned char *minecraft = *(unsigned char **) (component + Gui_minecraft_property_offset);
x_dest -= DEFAULT_HUD_PADDING;
x_dest += NUMBER_OF_SLOTS * -10 + ((((float) *(int32_t *) (minecraft + Minecraft_screen_width_property_offset)) * *InvGuiScale) / 2);
y_dest -= DEFAULT_HUD_PADDING;
y_dest += (((float) *(int32_t *) (minecraft + Minecraft_screen_height_property_offset)) * *InvGuiScale) - 31;
// Call Original Method
(*GuiComponent_blit)(component, x_dest, y_dest, x_src, y_src, width_dest, height_dest, width_src, height_src);
}
static void Gui_renderHearts_GuiComponent_blit_armor_injection(unsigned char *component, int32_t x_dest, int32_t y_dest, int32_t x_src, int32_t y_src, int32_t width_dest, int32_t height_dest, int32_t width_src, int32_t height_src) {
unsigned char *minecraft = *(unsigned char **) (component + Gui_minecraft_property_offset);
x_dest -= DEFAULT_HUD_PADDING + HUD_ELEMENT_WIDTH;
float width = ((float) *(int32_t *) (minecraft + Minecraft_screen_width_property_offset)) * *InvGuiScale;
x_dest += width - (NUMBER_OF_SLOTS * -10 + (width / 2)) - HUD_ELEMENT_WIDTH;
y_dest -= DEFAULT_HUD_PADDING;
y_dest += (((float) *(int32_t *) (minecraft + Minecraft_screen_height_property_offset)) * *InvGuiScale) - 31;
// Call Original Method
(*GuiComponent_blit)(component, x_dest, y_dest, x_src, y_src, width_dest, height_dest, width_src, height_src);
}
static void Gui_renderBubbles_GuiComponent_blit_injection(unsigned char *component, int32_t x_dest, int32_t y_dest, int32_t x_src, int32_t y_src, int32_t width_dest, int32_t height_dest, int32_t width_src, int32_t height_src) {
unsigned char *minecraft = *(unsigned char **) (component + Gui_minecraft_property_offset);
x_dest -= DEFAULT_HUD_PADDING;
x_dest += NUMBER_OF_SLOTS * -10 + ((((float) *(int32_t *) (minecraft + Minecraft_screen_width_property_offset)) * *InvGuiScale) / 2);
y_dest -= DEFAULT_HUD_PADDING + DEFAULT_BUBBLES_PADDING + HUD_ELEMENT_HEIGHT;
y_dest += (((float) *(int32_t *) (minecraft + Minecraft_screen_height_property_offset)) * *InvGuiScale) - 31 - HUD_ELEMENT_HEIGHT;
// Call Original Method
(*GuiComponent_blit)(component, x_dest, y_dest, x_src, y_src, width_dest, height_dest, width_src, height_src);
}
// Additional GUI Rendering
static int hide_chat_messages = 0;
static int render_selected_item_text = 0;
static void Gui_renderChatMessages_injection(unsigned char *gui, int32_t y_offset, uint32_t max_messages, bool disable_fading, unsigned char *font) {
// Handle Classic HUD
if (use_classic_hud) {
unsigned char *minecraft = *(unsigned char **) (gui + Gui_minecraft_property_offset);
if (!(*Minecraft_isCreativeMode)(minecraft)) {
y_offset -= HUD_ELEMENT_HEIGHT * 2;
}
}
// Call Original Method
if (!hide_chat_messages) {
(*Gui_renderChatMessages)(gui, y_offset, max_messages, disable_fading, font);
@ -67,6 +108,7 @@ static void Inventory_selectSlot_injection(unsigned char *inventory, int32_t slo
}
// Sanitize Username
#define MAX_USERNAME_LENGTH 16
static void LoginPacket_read_injection(unsigned char *packet, unsigned char *bit_stream) {
// Call Original Method
(*LoginPacket_read)(packet, bit_stream);
@ -231,6 +273,16 @@ void init_misc() {
patch((void *) 0x63c98, invalid_item_background_patch);
}
// Classic HUD
if (feature_has("Classic HUD", server_disabled)) {
use_classic_hud = 1;
overwrite_call((void *) 0x266f8, (void *) Gui_renderHearts_GuiComponent_blit_hearts_injection);
overwrite_call((void *) 0x26758, (void *) Gui_renderHearts_GuiComponent_blit_hearts_injection);
overwrite_call((void *) 0x267c8, (void *) Gui_renderHearts_GuiComponent_blit_hearts_injection);
overwrite_call((void *) 0x2656c, (void *) Gui_renderHearts_GuiComponent_blit_armor_injection);
overwrite_call((void *) 0x268c4, (void *) Gui_renderBubbles_GuiComponent_blit_injection);
}
// Render Selected Item Text + Hide Chat Messages
hide_chat_messages = feature_has("Hide Chat Messages", server_disabled);
render_selected_item_text = feature_has("Render Selected Item Text", server_disabled);

1
symbols/include/symbols/minecraft.h
View File

@ -188,6 +188,7 @@ typedef void (*Minecraft_handleMouseDown_t)(unsigned char *minecraft, int param_
static Minecraft_handleMouseDown_t Minecraft_handleMouseDown = (Minecraft_handleMouseDown_t) 0x1584c;
static uint32_t Minecraft_screen_width_property_offset = 0x20; // int32_t
static uint32_t Minecraft_screen_height_property_offset = 0x24; // int32_t
static uint32_t Minecraft_network_handler_property_offset = 0x174; // NetEventCallback *
static uint32_t Minecraft_rak_net_instance_property_offset = 0x170; // RakNetInstance *
static uint32_t Minecraft_level_property_offset = 0x188; // Level *