110 lines
4.8 KiB
C++
110 lines
4.8 KiB
C++
#include <GLES/gl.h>
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#include <libreborn/libreborn.h>
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#include <symbols/minecraft.h>
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#include <mods/feature/feature.h>
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#include <mods/init/init.h>
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// Fix Grass And Leaves Inventory Rendering When The gui_blocks Atlas Is Disabled
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static void ItemRenderer_renderGuiItemCorrect_injection(unsigned char *font, unsigned char *textures, ItemInstance *item_instance, int32_t param_1, int32_t param_2) {
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int32_t leaves_id = *(int32_t *) (*Tile_leaves + Tile_id_property_offset);
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int32_t grass_id = *(int32_t *) (*Tile_grass + Tile_id_property_offset);
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// Replace Rendered Item With Carried Variant
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ItemInstance carried_item_instance;
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bool use_carried = false;
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if (item_instance != NULL) {
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if (item_instance->id == leaves_id) {
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(*ItemInstance_constructor_tile_extra)(&carried_item_instance, *Tile_leaves_carried, item_instance->count, item_instance->auxiliary);
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use_carried = true;
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} else if (item_instance->id == grass_id) {
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(*ItemInstance_constructor_tile_extra)(&carried_item_instance, *Tile_grass_carried, item_instance->count, item_instance->auxiliary);
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use_carried = true;
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}
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}
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// Fix Toolbar Rendering
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GLboolean depth_test_was_enabled = glIsEnabled(GL_DEPTH_TEST);
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glDisable(GL_DEPTH_TEST);
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// Call Original Method
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(*ItemRenderer_renderGuiItemCorrect)(font, textures, use_carried ? &carried_item_instance : item_instance, param_1, param_2);
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// Revert GL State Changes
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if (depth_test_was_enabled) {
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glEnable(GL_DEPTH_TEST);
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}
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}
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// Fix Translucent Preview Items In Furnace UI Being Fully Opaque When The gui_blocks Atlas Is Disabled
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static int item_color_fix_mode = 0;
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#define POTENTIAL_FURNACE_ITEM_TRANSPARENCY 0x33
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#define INVALID_FURNACE_ITEM_MULTIPLIER 0.25f
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static void Tesselator_color_injection(unsigned char *tesselator, int32_t r, int32_t g, int32_t b, int32_t a) {
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// Fix Furnace UI
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if (item_color_fix_mode != 0) {
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// Force Translucent
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if (item_color_fix_mode == 1) {
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a = POTENTIAL_FURNACE_ITEM_TRANSPARENCY;
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} else {
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static double multiplier = INVALID_FURNACE_ITEM_MULTIPLIER;
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b *= multiplier;
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g *= multiplier;
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r *= multiplier;
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}
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}
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// Call Original Method
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(*Tesselator_color)(tesselator, r, g, b, a);
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}
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static void Tesselator_begin_injection(unsigned char *tesselator) {
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// Call Original Method
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(*Tesselator_begin)(tesselator);
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// Fix Furnace UI
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if (item_color_fix_mode != 0) {
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// Implict Translucent
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(*Tesselator_color_injection)(tesselator, 0xff, 0xff, 0xff, 0xff);
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}
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}
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static void InventoryPane_renderBatch_Tesselator_color_injection(unsigned char *tesselator, int32_t r, int32_t g, int32_t b) {
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// Call Original Method
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(*Tesselator_color)(tesselator, r, g, b, 0xff);
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// Enable Item Color Fix
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item_color_fix_mode = 2;
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}
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static void ItemRenderer_renderGuiItem_two_injection(unsigned char *font, unsigned char *textures, ItemInstance *item_instance, float param_1, float param_2, float param_3, float param_4, bool param_5) {
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// Call Original Method
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(*ItemRenderer_renderGuiItem_two)(font, textures, item_instance, param_1, param_2, param_3, param_4, param_5);
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// Disable Item Color Fix
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item_color_fix_mode = 0;
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}
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static void FurnaceScreen_render_ItemRenderer_renderGuiItem_one_injection(unsigned char *font, unsigned char *textures, ItemInstance *item_instance, float param_1, float param_2, bool param_3) {
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// Enable Item Color Fix
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item_color_fix_mode = 1;
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// Call Original Method
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(*ItemRenderer_renderGuiItem_one)(font, textures, item_instance, param_1, param_2, param_3);
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}
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// Init
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void init_atlas() {
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// Add Better NULL-Check (And More UI Fixes When The gui_blocks Atlas Is Disabled)
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overwrite_calls((void *) ItemRenderer_renderGuiItem_two, (void *) ItemRenderer_renderGuiItem_two_injection);
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// Disable The gui_blocks Atlas Which Contains Pre-Rendered Textures For Blocks In The Inventory
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if (feature_has("Disable \"gui_blocks\" Atlas", server_disabled)) {
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unsigned char disable_gui_blocks_atlas_patch[4] = {0x45, 0x00, 0x00, 0xea}; // "b 0x7f740"
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patch((void *) 0x7f624, disable_gui_blocks_atlas_patch);
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// Fix Grass And Leaves Inventory Rendering When The gui_blocks Atlas Is Disabled
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overwrite_calls((void *) ItemRenderer_renderGuiItemCorrect, (void *) ItemRenderer_renderGuiItemCorrect_injection);
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// Fix Furnace UI
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overwrite_calls((void *) Tesselator_begin, (void *) Tesselator_begin_injection);
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overwrite_calls((void *) Tesselator_color, (void *) Tesselator_color_injection);
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overwrite_call((void *) 0x3bff4, (void *) FurnaceScreen_render_ItemRenderer_renderGuiItem_one_injection);
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overwrite_call((void *) 0x23c0c, (void *) InventoryPane_renderBatch_Tesselator_color_injection);
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}
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}
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