minecraft-pi-docker/mods/src/input/toggle.c

111 lines
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C
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#include <libreborn/libreborn.h>
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#include <symbols/minecraft.h>
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#include "input-internal.h"
#include <mods/input/input.h>
#include <mods/feature/feature.h>
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// Enable Toggles
static int enable_toggles = 0;
// Store Function Input
static int hide_gui_toggle = 0;
void input_hide_gui() {
hide_gui_toggle++;
}
static int third_person_toggle = 0;
void input_third_person() {
third_person_toggle++;
}
// Handle Toggle Options
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static void _handle_toggle_options(unsigned char *minecraft) {
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if (enable_toggles) {
// Handle Functions
unsigned char *options = minecraft + Minecraft_options_property_offset;
if (hide_gui_toggle % 2 != 0) {
// Toggle Hide GUI
*(options + Options_hide_gui_property_offset) = *(options + Options_hide_gui_property_offset) ^ 1;
}
hide_gui_toggle = 0;
if (third_person_toggle % 2 != 0) {
// Toggle Third Person
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*(options + Options_third_person_property_offset) = (*(options + Options_third_person_property_offset) + 1) % 3;
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}
third_person_toggle = 0;
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// Fix Broken Value From Third-Person OptionsButton Toggle
// (Because Front-Facing Code Repurposes A Boolean As A Ternary)
if (*(options + Options_third_person_property_offset) == 3) {
*(options + Options_third_person_property_offset) = 0;
}
}
}
// Font-Facing View
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static void invert_rotation(unsigned char *entity) {
if (entity != NULL) {
*(float *) (entity + Entity_yaw_property_offset) = 180.f + (*(float *) (entity + Entity_yaw_property_offset));
*(float *) (entity + Entity_old_yaw_property_offset) = 180.f + (*(float *) (entity + Entity_old_yaw_property_offset));
*(float *) (entity + Entity_pitch_property_offset) = -(*(float *) (entity + Entity_pitch_property_offset));
*(float *) (entity + Entity_old_pitch_property_offset) = -(*(float *) (entity + Entity_old_pitch_property_offset));
}
}
static void revert_rotation(unsigned char *entity) {
if (entity != NULL) {
*(float *) (entity + Entity_yaw_property_offset) = -180.f + (*(float *) (entity + Entity_yaw_property_offset));
*(float *) (entity + Entity_old_yaw_property_offset) = -180.f + (*(float *) (entity + Entity_old_yaw_property_offset));
*(float *) (entity + Entity_pitch_property_offset) = -(*(float *) (entity + Entity_pitch_property_offset));
*(float *) (entity + Entity_old_pitch_property_offset) = -(*(float *) (entity + Entity_old_pitch_property_offset));
}
}
static int is_front_facing = 0;
static unsigned char *stored_player = NULL;
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static void GameRenderer_setupCamera_injection(unsigned char *game_renderer, float param_1, int param_2) {
// Get Objects
unsigned char *minecraft = *(unsigned char **) (game_renderer + GameRenderer_minecraft_property_offset);
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stored_player = *(unsigned char **) (minecraft + Minecraft_player_property_offset);
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// Check If In Third-Person
unsigned char *options = minecraft + Minecraft_options_property_offset;
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is_front_facing = (*(options + Options_third_person_property_offset) == 2);
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// Invert Rotation
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if (is_front_facing) {
invert_rotation(stored_player);
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}
// Call Original Method
(*GameRenderer_setupCamera)(game_renderer, param_1, param_2);
// Revert
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if (is_front_facing) {
revert_rotation(stored_player);
}
}
static void ParticleEngine_render_injection(unsigned char *particle_engine, unsigned char *entity, float param_2) {
// Invert Rotation
if (is_front_facing && stored_player == entity) {
invert_rotation(stored_player);
}
// Call Original Method
(*ParticleEngine_render)(particle_engine, entity, param_2);
// Revert
if (is_front_facing && stored_player == entity) {
revert_rotation(stored_player);
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}
}
// Init
void _init_toggle() {
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enable_toggles = feature_has("Bind Common Toggleable Options To Function Keys", server_disabled);
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input_run_on_tick(_handle_toggle_options);
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// Font-Facing View
if (enable_toggles) {
overwrite_calls((void *) GameRenderer_setupCamera, (void *) GameRenderer_setupCamera_injection);
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overwrite_calls((void *) ParticleEngine_render, (void *) ParticleEngine_render_injection);
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}
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}