Scale Animated Textures

VERSION

@@ -1 +1 @@
-2.2.4
+2.2.5

docs/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+**2.2.5**
+* Scale Animated Textures
+* Add More Blocks To Expanded Creative Inventory
+* Reduce Unnecessary Logging
+* Log IPs In Server Mode
+
 **2.2.4**
 * Instead Of Crashing, Disable Polling Block Hits In Survival Mode Using The API
 

media-layer/include/GLES/gl.h

@@ -7,6 +7,7 @@ extern "C" {
 #define GL_FALSE 0
 #define GL_FOG_COLOR 0xb66
 #define GL_ARRAY_BUFFER_BINDING 0x8894
+#define GL_TEXTURE_BINDING_2D 0x8069
 #define GL_UNSIGNED_BYTE 0x1401
 #define GL_RGB 0x1907
 #define GL_RGBA 0x1908

media-layer/proxy/src/GLESv1_CM.c

@@ -1099,6 +1099,7 @@ CALL(58, glIsEnabled, GLboolean, (GLenum cap)) {
 
 static int get_glGetIntegerv_params_size(GLenum pname) {
     switch (pname) {
+        case GL_TEXTURE_BINDING_2D:
         case GL_UNPACK_ALIGNMENT: {
             return 1;
         }

mods/CMakeLists.txt

@@ -54,7 +54,7 @@ else()
     target_link_libraries(override reborn symbols dl home)
 
     add_library(textures SHARED src/textures/textures.cpp)
-    target_link_libraries(textures reborn symbols feature)
+    target_link_libraries(textures reborn symbols media-layer-core feature)
 
     add_library(atlas SHARED src/atlas/atlas.cpp)
     target_link_libraries(atlas reborn symbols feature GLESv1_CM)

mods/src/chat/chat.cpp

@@ -71,7 +71,7 @@ static void CommandServer_parse_CommandServer_dispatchPacket_injection(unsigned
 }
 
 // Handle ChatPacket Server-Side
-static void ServerSideNetworkHandler_handle_ChatPacket_injection(unsigned char *server_side_network_handler, unsigned char *rak_net_guid, unsigned char *chat_packet) {
+static void ServerSideNetworkHandler_handle_ChatPacket_injection(unsigned char *server_side_network_handler, RakNet_RakNetGUID *rak_net_guid, unsigned char *chat_packet) {
     unsigned char *player = (*ServerSideNetworkHandler_getPlayer)(server_side_network_handler, rak_net_guid);
     if (player != NULL) {
         char *username = *(char **) (player + Player_username_property_offset);

mods/src/creative/creative.cpp

@@ -44,6 +44,9 @@ static int32_t Inventory_setupDefault_FillingContainer_addItem_call_injection(un
     inventory_add_item(filling_container, *Tile_topSnow, true);
     inventory_add_item(filling_container, *Tile_ice, true);
     inventory_add_item(filling_container, *Tile_invisible_bedrock, true);
+    inventory_add_item(filling_container, *Tile_bedrock, true);
+    inventory_add_item(filling_container, *Tile_info_updateGame1, true);
+    inventory_add_item(filling_container, *Tile_info_updateGame2, true);
 
     return ret;
 }

mods/src/feature/feature.c

@@ -29,7 +29,7 @@ int feature_has(const char *name, int server_default) {
         tok = strtok(NULL, "|");
     }
     free(features);
-#ifndef MCPI_SERVER_MODE
+#ifdef DEBUG
     INFO("Feature: %s: %s", name, ret ? "Enabled" : "Disabled");
 #endif
     return ret;

mods/src/server/server.cpp

@@ -198,16 +198,20 @@ static unsigned char *get_rak_peer(unsigned char *minecraft) {
     unsigned char *rak_net_instance = *(unsigned char **) (minecraft + Minecraft_rak_net_instance_property_offset);
     return *(unsigned char **) (rak_net_instance + RakNetInstance_peer_property_offset);
 }
-
-// Get IP From Player
-static char *get_player_ip(unsigned char *minecraft, unsigned char *player) {
-    RakNet_RakNetGUID guid = get_rak_net_guid(player);
-    unsigned char *rak_peer = get_rak_peer(minecraft);
+static char *get_rak_net_guid_ip(unsigned char *rak_peer, RakNet_RakNetGUID guid) {
     RakNet_SystemAddress address = get_system_address(rak_peer, guid);
     // Get IP
     return (*RakNet_SystemAddress_ToString)(&address, false, '|');
 }
 
+// Get IP From Player
+static char *get_player_ip(unsigned char *minecraft, unsigned char *player) {
+    unsigned char *rak_peer = get_rak_peer(minecraft);
+    RakNet_RakNetGUID guid = get_rak_net_guid(player);
+    // Return
+    return get_rak_net_guid_ip(rak_peer,guid);
+}
+
 // Ban Player
 static void ban_callback(unsigned char *minecraft, std::string username, unsigned char *player) {
     // Get IP
@@ -275,25 +279,34 @@ static unsigned char *get_server_side_network_handler(unsigned char *minecraft)
 static volatile bool stdin_buffer_complete = false;
 static volatile char *stdin_buffer = NULL;
 static void *read_stdin_thread(__attribute__((unused)) void *data) {
-    while (1) {
-        if (!stdin_buffer_complete) {
-            int x = getchar();
-            if (x != EOF) {
-                if (x == '\n') {
-                    if (stdin_buffer == NULL) {
-                        stdin_buffer = strdup("");
+    // Check If STDIN Is A TTY
+    if (isatty(fileno(stdin))) {
+        // Loop
+        while (1) {
+            if (!stdin_buffer_complete) {
+                // Read Data
+                int x = fgetc(stdin);
+                if (x != EOF) {
+                    if (x == '\n') {
+                        if (stdin_buffer == NULL) {
+                            stdin_buffer = strdup("");
+                        }
+                        stdin_buffer_complete = true;
+                        break;
+                    } else {
+                        string_append((char **) &stdin_buffer, "%c", (char) x);
                     }
-                    stdin_buffer_complete = true;
-                } else {
-                    string_append((char **) &stdin_buffer, "%c", (char) x);
                 }
             }
         }
     }
+    return NULL;
 }
 __attribute__((destructor)) static void _free_stdin_buffer() {
-    free((void *) stdin_buffer);
-    stdin_buffer = NULL;
+    if (stdin_buffer != NULL) {
+        free((void *) stdin_buffer);
+        stdin_buffer = NULL;
+    }
 }
 
 // Handle Commands
@@ -385,6 +398,7 @@ static void Minecraft_update_injection(unsigned char *minecraft) {
     handle_server_stop(minecraft);
 }
 
+// Ban Players
 static bool RakNet_RakPeer_IsBanned_injection(__attribute__((unused)) unsigned char *rakpeer, const char *ip) {
     // Check banned-ips.txt
     std::string blacklist_file_path = get_blacklist_file();
@@ -420,6 +434,27 @@ static bool RakNet_RakPeer_IsBanned_injection(__attribute__((unused)) unsigned c
     }
 }
 
+// Log IPs
+static unsigned char *ServerSideNetworkHandler_onReady_ClientGeneration_ServerSideNetworkHandler_popPendingPlayer_injection(unsigned char *server_side_network_handler, RakNet_RakNetGUID *guid) {
+    // Call Original Method
+    unsigned char *player = (*ServerSideNetworkHandler_popPendingPlayer)(server_side_network_handler, guid);
+
+    // Check If Player Is Null
+    if (player != NULL) {
+        // Get Data
+        char *username = (char *) *(unsigned char **) (player + Player_username_property_offset);
+        unsigned char *minecraft = *(unsigned char **) (server_side_network_handler + ServerSideNetworkHandler_minecraft_property_offset);
+        unsigned char *rak_peer = get_rak_peer(minecraft);
+        char *ip = get_rak_net_guid_ip(rak_peer, *guid);
+
+        // Log
+        INFO("%s Has Joined (IP: %s)", username, ip);
+    }
+
+    // Return
+    return player;
+}
+
 // Get MOTD
 static std::string get_motd() {
     std::string motd(get_server_properties().get_string("motd", DEFAULT_MOTD));
@@ -532,6 +567,9 @@ static void server_init() {
         patch((void *) 0x737e4, minecon_badge_patch);
     }
 
+    // Log IPs
+    overwrite_call((void *) 0x75e54, (void *) ServerSideNetworkHandler_onReady_ClientGeneration_ServerSideNetworkHandler_popPendingPlayer_injection);
+
     // Start Reading STDIN
     pthread_t read_stdin_thread_obj;
     pthread_create(&read_stdin_thread_obj, NULL, read_stdin_thread, NULL);

mods/src/textures/textures.cpp

@@ -1,3 +1,9 @@
+#include <vector>
+#include <assert.h>
+#include <cstdint>
+
+#include <GLES/gl.h>
+
 #include <libreborn/libreborn.h>
 #include <symbols/minecraft.h>
 
@@ -16,10 +22,154 @@ static void Minecraft_tick_injection(unsigned char *minecraft, int32_t param_1,
     }
 }
 
+// Store Texture Sizes
+struct texture_data {
+    GLint id;
+    GLsizei width;
+    GLsizei height;
+};
+static std::vector<texture_data> &get_texture_data() {
+    static std::vector<texture_data> data;
+    return data;
+}
+HOOK(glTexImage2D, void, (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels)) {
+    // Store
+    texture_data data;
+    glGetIntegerv(GL_TEXTURE_BINDING_2D, &data.id);
+    data.width = width;
+    data.height = height;
+    get_texture_data().push_back(data);
+
+    // Call Original Method
+    ensure_glTexImage2D();
+    (*real_glTexImage2D)(target, level, internalformat, width, height, border, format, type, pixels);
+}
+HOOK(glDeleteTextures, void, (GLsizei n, const GLuint *textures)) {
+    // Remove Old Data
+    for (int i = 0; i < n; i++) {
+        GLint id = textures[n];
+        std::vector<texture_data>::iterator it = get_texture_data().begin();
+        while (it != get_texture_data().end()) {
+            texture_data data = *it;
+            if (data.id == id) {
+                it = get_texture_data().erase(it);
+            } else {
+                ++it;
+            }
+        }
+    }
+
+    // Call Original Method
+    ensure_glDeleteTextures();
+    (*real_glDeleteTextures)(n, textures);
+}
+static void get_texture_size(GLint id, GLsizei *width, GLsizei *height) {
+    // Iterate
+    std::vector<texture_data>::iterator it = get_texture_data().begin();
+    while (it != get_texture_data().end()) {
+        texture_data data = *it;
+        if (data.id == id) {
+            // Found
+            *width = data.width;
+            *height = data.height;
+            return;
+        }
+        ++it;
+    }
+    // Not Found
+    ERR("Unable To Find Size Of Texture: %i", id);
+}
+
+// Scale Texture (Remember To Free)
+#define PIXEL_SIZE 4
+static int get_line_size(int width) {
+    int line_size = width * PIXEL_SIZE;
+    {
+        // Handle Alignment
+        int alignment;
+        glGetIntegerv(GL_UNPACK_ALIGNMENT, &alignment);
+        // Round
+        int diff = line_size % alignment;
+        if (diff > 0) {
+            line_size = line_size + (alignment - diff);
+        }
+    }
+    return line_size;
+}
+static void *scale_texture(const unsigned char *src, GLsizei old_width, GLsizei old_height, GLsizei new_width, GLsizei new_height) {
+    int old_line_size = get_line_size(old_width);
+    int new_line_size = get_line_size(new_width);
+
+    // Allocate
+    unsigned char *dst = (unsigned char *) malloc(new_height * new_line_size);
+    ALLOC_CHECK(dst);
+
+    // Scale
+    for (int new_x = 0; new_x < new_width; new_x++) {
+        int old_x = (int) (((float) new_x / (float) new_width) * (float) old_width);
+        for (int new_y = 0; new_y < new_height; new_y++) {
+            int old_y = (int) (((float) new_y / (float) new_height) * (float) old_height);
+
+            // Find Position
+            int new_position = (new_y * new_line_size) + (new_x * PIXEL_SIZE);
+            int old_position = (old_y * old_line_size) + (old_x * PIXEL_SIZE);
+
+            // Copy
+            static_assert(sizeof (int32_t) == PIXEL_SIZE, "Pixel Size Doesn't Match 32-Bit Integer Size");
+            *(int32_t *) &dst[new_position] = *(int32_t *) &src[old_position];
+        }
+    }
+
+    // Return
+    return dst;
+}
+
+// Scale Animated Textures
+static void Textures_tick_glTexSubImage2D_injection(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *pixels) {
+    // Get Current Texture Size
+    GLint current_texture;
+    glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_texture);
+    GLsizei texture_width;
+    GLsizei texture_height;
+    get_texture_size(current_texture, &texture_width, &texture_height);
+
+    // Calculate Factor
+    float width_factor = ((float) texture_width) / 256.0f;
+    float height_factor = ((float) texture_height) / 256.0f;
+
+    // Only Scale If Needed
+    if (width_factor == 1.0f && height_factor == 1.0f) {
+        // No Scaling
+        glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
+    } else {
+        // Check
+        if (format != GL_RGBA || type != GL_UNSIGNED_BYTE) {
+            // Pixels Must Be 4 Bytes
+            ERR("%s", "Unsupported Texture Format For Scaling");
+        }
+
+        // Scale
+        GLsizei new_width = width * width_factor;
+        GLsizei new_height = height * height_factor;
+        void *new_pixels = scale_texture((const unsigned char *) pixels, width, height, new_width, new_height);
+
+        // Call Original Method
+        GLint new_xoffset = xoffset * width_factor;
+        GLint new_yoffset = yoffset * height_factor;
+        glTexSubImage2D(target, level, new_xoffset, new_yoffset, new_width, new_height, format, type, new_pixels);
+
+        // Free
+        free(new_pixels);
+    }
+}
+
 // Init
 void init_textures() {
     // Tick Dynamic Textures (Animated Water)
     if (feature_has("Animated Water", 0)) {
         overwrite_calls((void *) Minecraft_tick, (void *) Minecraft_tick_injection);
     }
+
+    // Scale Animated Textures
+    overwrite_call((void *) 0x53274, (void *) Textures_tick_glTexSubImage2D_injection);
 }

symbols/include/symbols/minecraft.h

@@ -36,6 +36,9 @@ static unsigned char **Tile_topSnow = (unsigned char **) 0x181b30;
 static unsigned char **Tile_ice = (unsigned char **) 0x181d80;
 static unsigned char **Tile_invisible_bedrock = (unsigned char **) 0x181d94;
 static unsigned char **Tile_netherReactor = (unsigned char **) 0x181dd0;
+static unsigned char **Tile_info_updateGame1 = (unsigned char **) 0x181c68;
+static unsigned char **Tile_info_updateGame2 = (unsigned char **) 0x181c6c;
+static unsigned char **Tile_bedrock = (unsigned char **) 0x181cc4;
 
 static unsigned char **Tile_leaves = (unsigned char **) 0x18120c;
 static unsigned char **Tile_leaves_carried = (unsigned char **) 0x181dd8;
@@ -456,17 +459,22 @@ static RakNet_SystemAddress_ToString_t RakNet_SystemAddress_ToString = (RakNet_S
 
 // ServerSideNetworkHandler
 
-typedef void (*ServerSideNetworkHandler_onDisconnect_t)(unsigned char *server_side_network_handler, unsigned char *guid);
+typedef void (*ServerSideNetworkHandler_onDisconnect_t)(unsigned char *server_side_network_handler, struct RakNet_RakNetGUID *guid);
 static ServerSideNetworkHandler_onDisconnect_t ServerSideNetworkHandler_onDisconnect = (ServerSideNetworkHandler_onDisconnect_t) 0x75164;
 static void *ServerSideNetworkHandler_onDisconnect_vtable_addr = (void *) 0x109bb0;
 
-typedef unsigned char *(*ServerSideNetworkHandler_getPlayer_t)(unsigned char *server_side_network_handler, unsigned char *guid);
+typedef unsigned char *(*ServerSideNetworkHandler_getPlayer_t)(unsigned char *server_side_network_handler, struct RakNet_RakNetGUID *guid);
 static ServerSideNetworkHandler_getPlayer_t ServerSideNetworkHandler_getPlayer = (ServerSideNetworkHandler_getPlayer_t) 0x75464;
 
-typedef void (*ServerSideNetworkHandler_handle_t)(unsigned char *server_side_network_handler, unsigned char *rak_net_guid, unsigned char *packet);
+typedef unsigned char *(*ServerSideNetworkHandler_popPendingPlayer_t)(unsigned char *server_side_network_handler, struct RakNet_RakNetGUID *guid);
+static ServerSideNetworkHandler_popPendingPlayer_t ServerSideNetworkHandler_popPendingPlayer = (ServerSideNetworkHandler_popPendingPlayer_t) 0x75db4;
+
+typedef void (*ServerSideNetworkHandler_handle_t)(unsigned char *server_side_network_handler, struct RakNet_RakNetGUID *rak_net_guid, unsigned char *packet);
 
 static void *ServerSideNetworkHandler_handle_ChatPacket_vtable_addr = (void *) 0x109c60;
 
+static uint32_t ServerSideNetworkHandler_minecraft_property_offset = 0x8; // Minecraft *
+
 // Inventory
 
 typedef void (*Inventory_selectSlot_t)(unsigned char *inventory, int32_t slot);