109 lines
4.8 KiB
C++
109 lines
4.8 KiB
C++
#include <libreborn/libreborn.h>
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#include <mods/feature/feature.h>
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#include <mods/init/init.h>
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#include <mods/touch/touch.h>
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#include <symbols/minecraft.h>
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// Enable Touch GUI
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static bool Minecraft_isTouchscreen_injection(__attribute__((unused)) Minecraft_isTouchscreen_t original, __attribute__((unused)) Minecraft *minecraft) {
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return true;
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}
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// IngameBlockSelectionScreen Memory Allocation Override
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static unsigned char *operator_new_IngameBlockSelectionScreen_injection(__attribute__((unused)) uint32_t size) {
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return (unsigned char *) ::operator new(sizeof(Touch_IngameBlockSelectionScreen));
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}
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// Improved Button Hover Behavior
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static int32_t Button_hovered_injection(__attribute__((unused)) Button_hovered_t original, __attribute__((unused)) Button *button, __attribute__((unused)) Minecraft *minecraft, __attribute__((unused)) int32_t click_x, __attribute__((unused)) int32_t click_y) {
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// Get Mouse Position
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int32_t x = Mouse::getX() * Gui::InvGuiScale;
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int32_t y = Mouse::getY() * Gui::InvGuiScale;
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// Get Button Position
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int32_t button_x1 = button->x;
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int32_t button_y1 = button->y;
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int32_t button_x2 = button_x1 + button->width;
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int32_t button_y2 = button_y1 + button->height;
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// Check
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return x >= button_x1 && x < button_x2 && y >= button_y1 && y < button_y2;
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}
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static void LargeImageButton_render_GuiComponent_drawCenteredString_injection(GuiComponent *component, Font *font, std::string *text, int32_t x, int32_t y, int32_t color) {
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// Change Color On Hover
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if (color == 0xe0e0e0 && Button_hovered_injection(nullptr, (Button *) component, nullptr, 0, 0)) {
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color = 0xffffa0;
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}
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// Call Original Method
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component->drawCenteredString(font, text, x, y, color);
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}
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// Create Button
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int touch_gui = 0;
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template <typename T>
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static Button *create_button(int id, std::string text) {
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T *button = new T;
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ALLOC_CHECK(button);
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button->constructor(id, &text);
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return (Button *) button;
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}
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Button *touch_create_button(int id, std::string text) {
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if (touch_gui) {
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return create_button<Touch_TButton>(id, text);
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} else {
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return create_button<Button>(id, text);
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}
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}
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// Init
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void init_touch() {
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touch_gui = feature_has("Full Touch GUI", server_disabled);
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int touch_buttons = touch_gui;
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if (touch_gui) {
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// Main UI
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overwrite_calls(Minecraft_isTouchscreen, Minecraft_isTouchscreen_injection);
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// Force Correct Toolbar Size
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unsigned char toolbar_patch[4] = {0x01, 0x00, 0x50, 0xe3}; // "cmp r0, #0x1"
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patch((void *) 0x257b0, toolbar_patch);
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} else {
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// Force Touch Inventory
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if (feature_has("Force Touch GUI Inventory", server_disabled)) {
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overwrite_call((void *) 0x2943c, (void *) operator_new_IngameBlockSelectionScreen_injection);
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overwrite_call((void *) 0x29444, (void *) Touch_IngameBlockSelectionScreen_constructor);
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// Make "Craft" And "Armor" Buttons Use Classic GUI Style (Button And TButton Have The Same Size)
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overwrite_call((void *) 0x3b060, (void *) Button_constructor);
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overwrite_call((void *) 0x3b08c, (void *) Button_constructor);
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}
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// Force Touch Button Behavior
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if (feature_has("Force Touch GUI Button Behavior", server_disabled)) {
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touch_buttons = 1;
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overwrite_call((void *) 0x1baf4, (void *) Minecraft_isTouchscreen_injection);
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overwrite_call((void *) 0x1be40, (void *) Minecraft_isTouchscreen_injection);
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overwrite_call((void *) 0x1c470, (void *) Minecraft_isTouchscreen_injection);
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overwrite_call((void *) 0x1e868, (void *) Minecraft_isTouchscreen_injection);
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overwrite_call((void *) 0x290b8, (void *) Minecraft_isTouchscreen_injection);
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overwrite_call((void *) 0x29168, (void *) Minecraft_isTouchscreen_injection);
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overwrite_call((void *) 0x3e314, (void *) Minecraft_isTouchscreen_injection);
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overwrite_call((void *) 0x2cbc0, (void *) Minecraft_isTouchscreen_injection);
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overwrite_call((void *) 0x2ea7c, (void *) Minecraft_isTouchscreen_injection);
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overwrite_call((void *) 0x4a438, (void *) Minecraft_isTouchscreen_injection);
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}
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}
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// Improved Button Hover Behavior
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if (touch_buttons && feature_has("Improved Button Hover Behavior", server_disabled)) {
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overwrite_calls(Button_hovered, Button_hovered_injection);
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overwrite_call((void *) 0x1ebd4, (void *) LargeImageButton_render_GuiComponent_drawCenteredString_injection);
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}
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// Show Block Outlines
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int block_outlines = feature_has("Show Block Outlines", server_disabled);
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unsigned char outline_patch[4] = {(unsigned char) (block_outlines ? !touch_gui : touch_gui), 0x00, 0x50, 0xe3}; // "cmp r0, #0x1" or "cmp r0, #0x0"
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patch((void *) 0x4a210, outline_patch);
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}
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