Port Fire/Lava Textures From ReMCPE

dependencies/symbol-processor/src

@@ -1 +1 @@
-Subproject commit 0b696bd55b31416929d0a29d84ad50ab5ba0ceae
+Subproject commit 059e572256667f696f2f1ac9f5253859d54f50c4

launcher/src/client/available-feature-flags

@@ -8,7 +8,7 @@ TRUE Fix Sign Placement
 TRUE Show Block Outlines
 FALSE Expand Creative Mode Inventory
 FALSE Remove Creative Mode Restrictions
-TRUE Animated Water
+TRUE Animated Water & Lava
 TRUE Remove Invalid Item Background
 TRUE Disable "gui_blocks" Atlas
 TRUE Fix Camera Rendering

libreborn/include/libreborn/util.h

@@ -50,6 +50,25 @@ const char *reborn_get_version();
 int reborn_is_headless();
 int reborn_is_server();
 
+// Customize VTable
+#define CUSTOM_VTABLE(name, parent) \
+    static void _setup_##name##_vtable(parent##_vtable *vtable); \
+    static parent##_vtable *get_##name##_vtable() { \
+        static parent##_vtable *vtable = NULL; \
+        /* Allocate VTable */ \
+        if (vtable == NULL) { \
+            /* Init */ \
+            vtable = dup_##parent##_vtable(parent##_vtable_base); \
+            ALLOC_CHECK(vtable); \
+            /* Setup */ \
+            _setup_##name##_vtable(vtable); \
+        } \
+        /* Return */ \
+        return vtable; \
+    } \
+    /* User-Defined Setup Code */ \
+    static void _setup_##name##_vtable(parent##_vtable *vtable)
+
 #ifdef __cplusplus
 }
 #endif

mods/CMakeLists.txt

@@ -95,6 +95,7 @@ else()
         src/screenshot/screenshot.c
         # textures
         src/textures/textures.cpp
+        src/textures/lava.cpp
     )
 endif()
 

mods/src/bucket/bucket.cpp

@@ -117,19 +117,10 @@ static int32_t BucketItem_useOn(__attribute__((unused)) Item *item, ItemInstance
 }
 
 // Bucket VTable
-static Item_vtable *get_bucket_vtable() {
+CUSTOM_VTABLE(bucket, Item) {
-    static Item_vtable *vtable = NULL;
+    vtable->getDescriptionId = BucketItem_getDescriptionId;
-    if (vtable == NULL) {
+    vtable->getIcon = BucketItem_getIcon;
-        // Init
+    vtable->useOn = BucketItem_useOn;
-        vtable = dup_Item_vtable(Item_vtable_base);
-        ALLOC_CHECK(vtable);
-
-        // Modify
-        vtable->getDescriptionId = BucketItem_getDescriptionId;
-        vtable->getIcon = BucketItem_getIcon;
-        vtable->useOn = BucketItem_useOn;
-    }
-    return vtable;
 }
 
 // Create Items

mods/src/textures/lava.cpp

@@ -0,0 +1,245 @@
+#include <cmath>
+
+#include <libreborn/libreborn.h>
+#include <symbols/minecraft.h>
+
+#include "textures-internal.h"
+
+// Lava texture code was originally decompield by @iProgramMC as part of ReMinecraftPE.
+// See: https://github.com/ReMinecraftPE/mcpe
+
+// Structures
+struct LavaTexture {
+    DynamicTexture super;
+    int field_14;
+    int field_18;
+    float m_data1[256];
+    float m_data2[256];
+    float m_data3[256];
+    float m_data4[256];
+};
+struct LavaSideTexture {
+    DynamicTexture super;
+    int field_14;
+    int field_18;
+    int field_1C;
+    float m_data1[256];
+    float m_data2[256];
+    float m_data3[256];
+    float m_data4[256];
+};
+struct FireTexture {
+    DynamicTexture super;
+    float m_data1[320];
+    float m_data2[320];
+    Random m_random;
+};
+
+// LavaTexture
+CUSTOM_VTABLE(lava_texture, DynamicTexture) {
+    vtable->tick = [](DynamicTexture *super) {
+        LavaTexture *self = (LavaTexture *) super;
+        for (int x = 0; x < 16; x++) {
+            for (int y = 0; y < 16; y++) {
+                float f = 0.0F;
+                int ax = int(Mth_sin((float(x) * float(M_PI) * 2) / 16.0f) * 1.2f);
+                int ay = int(Mth_sin((float(y) * float(M_PI) * 2) / 16.0f) * 1.2f);
+                for (int bx = x - 1; bx <= x + 1; bx++) {
+                    for (int by = y - 1; by <= y + 1; by++) {
+                        int k2 = (bx + ay) & 0xf;
+                        int i3 = (by + ax) & 0xf;
+                        f += self->m_data1[k2 + i3 * 16];
+                    }
+                }
+                self->m_data2[x + y * 16] = f / 10.0f + ((self->m_data3[(x & 0xf) + ((y + 0) & 0xf) * 16] + self->m_data3[((x + 1) & 0xf) + (y & 0xf) * 16] + self->m_data3[((x + 1) & 0xf) + ((y + 1) & 0xf) * 16] + self->m_data3[(x & 0xf) + ((y + 1) & 0xf) * 16]) * 0.25f) * 0.8f;
+                self->m_data3[x + y * 16] += self->m_data4[x + y * 16] * 0.01f;
+                if (self->m_data3[x + y * 16] < 0.0f) {
+                    self->m_data3[x + y * 16] = 0.0f;
+                }
+                self->m_data4[x + y * 16] -= 0.06f;
+                if (Mth_random() < 0.005f) {
+                    self->m_data4[x + y * 16] = 1.5f;
+                }
+            }
+        }
+        std::swap(self->m_data1, self->m_data2);
+        for (int i = 0; i < 256; i++) {
+            float x1 = self->m_data1[i] * 2.0f;
+            if (x1 > 1.0f) {
+                x1 = 1.0f;
+            }
+            if (x1 < 0.0f) {
+                x1 = 0.0f;
+            }
+            self->super.pixels[i * 4 + 0] = int(155.0f + 100.0f * x1);
+            self->super.pixels[i * 4 + 1] = int(255.0f * x1 * x1);
+            self->super.pixels[i * 4 + 2] = int(128.0f * x1 * x1 * x1 * x1);
+            self->super.pixels[i * 4 + 3] = 255;
+        }
+    };
+}
+static DynamicTexture *create_lava_texture() {
+    // Construct
+    LavaTexture *texture = new LavaTexture;
+    ALLOC_CHECK(texture);
+    DynamicTexture_constructor(&texture->super, Tile_lava->texture);
+    // Set VTable
+    texture->super.vtable = get_lava_texture_vtable();
+    // Setup
+    texture->field_14 = 0;
+    texture->field_18 = 0;
+    for (int i = 0; i < 256; i++) {
+        texture->m_data1[i] = 0.0f;
+        texture->m_data2[i] = 0.0f;
+        texture->m_data3[i] = 0.0f;
+        texture->m_data4[i] = 0.0f;
+    }
+    // Return
+    return (DynamicTexture *) texture;
+}
+
+// LavaSideTexture
+CUSTOM_VTABLE(lava_side_texture, DynamicTexture) {
+    vtable->tick = [](DynamicTexture *super) {
+        LavaSideTexture *self = (LavaSideTexture *) super;
+        self->field_1C++;
+        for (int x = 0; x < 16; x++) {
+            for (int y = 0; y < 16; y++) {
+                float f = 0.0F;
+                int ax = int(Mth_sin((float(x) * float(M_PI) * 2) / 16.0f) * 1.2f);
+                int ay = int(Mth_sin((float(y) * float(M_PI) * 2) / 16.0f) * 1.2f);
+                for (int bx = x - 1; bx <= x + 1; bx++) {
+                    for (int by = y - 1; by <= y + 1; by++) {
+                        int k2 = (bx + ay) & 0xf;
+                        int i3 = (by + ax) & 0xf;
+                        f += self->m_data1[k2 + i3 * 16];
+                    }
+                }
+                self->m_data2[x + y * 16] = f / 10.0f + ((self->m_data3[(x & 0xf) + ((y + 0) & 0xf) * 16] + self->m_data3[((x + 1) & 0xf) + (y & 0xf) * 16] + self->m_data3[((x + 1) & 0xf) + ((y + 1) & 0xf) * 16] + self->m_data3[(x & 0xf) + ((y + 1) & 0xf) * 16]) * 0.25f) * 0.8f;
+                self->m_data3[x + y * 16] += self->m_data4[x + y * 16] * 0.01f;
+                if (self->m_data3[x + y * 16] < 0.0f) {
+                    self->m_data3[x + y * 16] = 0.0f;
+                }
+                self->m_data4[x + y * 16] -= 0.06f;
+                if (Mth_random() < 0.005f) {
+                    self->m_data4[x + y * 16] = 1.5f;
+                }
+            }
+        }
+        std::swap(self->m_data1, self->m_data2);
+        for (int i = 0; i < 256; i++) {
+            float x1 = self->m_data1[(i - 16 * (self->field_1C / 3)) & 0xFF] * 2.0f;
+            if (x1 > 1.0f) {
+                x1 = 1.0f;
+            }
+            if (x1 < 0.0f) {
+                x1 = 0.0f;
+            }
+            self->super.pixels[i * 4 + 0] = int(155.0f + 100.0f * x1);
+            self->super.pixels[i * 4 + 1] = int(255.0f * x1 * x1);
+            self->super.pixels[i * 4 + 2] = int(128.0f * x1 * x1 * x1 * x1);
+            self->super.pixels[i * 4 + 3] = 255;
+        }
+    };
+}
+static DynamicTexture *create_lava_side_texture() {
+    // Construct
+    LavaSideTexture *texture = new LavaSideTexture;
+    ALLOC_CHECK(texture);
+    DynamicTexture_constructor(&texture->super, Tile_lava->texture + 1);
+    // Set VTable
+    texture->super.vtable = get_lava_side_texture_vtable();
+    // Setup
+    texture->field_14 = 0;
+    texture->field_18 = 0;
+    texture->field_1C = 0;
+    texture->super.texture_size = 2;
+    for (int i = 0; i < 256; i++) {
+        texture->m_data1[i] = 0.0f;
+        texture->m_data2[i] = 0.0f;
+        texture->m_data3[i] = 0.0f;
+        texture->m_data4[i] = 0.0f;
+    }
+    // Return
+    return (DynamicTexture *) texture;
+}
+
+// FireTexture
+CUSTOM_VTABLE(fire_texture, DynamicTexture) {
+    vtable->tick = [](DynamicTexture *super) {
+        FireTexture *self = (FireTexture *) super;
+        for (int i = 0; i < 16; i++) {
+            for (int j = 0; j < 20; j++) {
+                int l = 18;
+                float f1 = self->m_data1[i + ((j + 1) % 20) * 16] * l;
+                for (int i1 = i - 1; i1 <= i + 1; i1++) {
+                    for (int k1 = j; k1 <= j + 1; k1++) {
+                        int i2 = i1;
+                        int k2 = k1;
+                        if (i2 >= 0 && k2 >= 0 && i2 < 16 && k2 < 20)
+                        {
+                            f1 += self->m_data1[i2 + k2 * 16];
+                        }
+                        l++;
+                    }
+                }
+                self->m_data2[i + j * 16] = f1 / 25.2f;
+                if (j >= 19) {
+                    union {
+                        uint32_t x;
+                        uint8_t b[4];
+                    } a;
+                    a.x = Random_genrand_int32(&self->m_random);
+                    self->m_data2[i + j * 16] = 0.2f + (((a.b[3] / 256.0f) * 0.1f) + ((((a.b[0] / 256.0f) * (a.b[1] / 256.0f)) * (a.b[2] / 256.0f)) * 4.0f));
+                }
+            }
+        }
+        std::swap(self->m_data1, self->m_data2);
+        for (int i = 0; i < 256; i++) {
+            float x = self->m_data1[i] * 1.8f;
+            if (x > 1.0f) {
+                x = 1.0f;
+            }
+            if (x < 0.0f) {
+                x = 0.0f;
+            }
+            self->super.pixels[4 * i + 0] = int(x * 155.0f + 100.0f);
+            self->super.pixels[4 * i + 1] = int(x * x * 255.0f);
+            self->super.pixels[4 * i + 2] = int(x * x * x * x * x * x * x * x * x * x * 255.0f);
+            self->super.pixels[4 * i + 3] = x >= 0.5f ? 255 : 0;
+        }
+    };
+}
+static DynamicTexture *create_fire_texture(int a2) {
+    // Construct
+    FireTexture *texture = new FireTexture;
+    ALLOC_CHECK(texture);
+    DynamicTexture_constructor(&texture->super, Tile_fire->texture + (16 * a2));
+    // Set VTable
+    texture->super.vtable = get_fire_texture_vtable();
+    // Setup Random
+    int seed = Common_getTimeMs();
+    texture->m_random.seed = seed;
+    texture->m_random.param_1 = 0x271;
+    texture->m_random.param_2 = false;
+    texture->m_random.param_3 = 0;
+    // Return
+    return (DynamicTexture *) texture;
+}
+
+// Add Textures
+static void Textures_addDynamicTexture_injection(Textures *textures, DynamicTexture *dynamic_texture) {
+    // Call Original Method
+    Textures_addDynamicTexture(textures, dynamic_texture);
+
+    // Add Lava
+    Textures_addDynamicTexture(textures, create_lava_texture());
+    Textures_addDynamicTexture(textures, create_lava_side_texture());
+    Textures_addDynamicTexture(textures, create_fire_texture(0));
+    Textures_addDynamicTexture(textures, create_fire_texture(1));
+}
+
+// Init
+void _init_textures_lava() {
+    overwrite_call((void *) 0x170b4, (void *) Textures_addDynamicTexture_injection);
+}

mods/src/textures/textures-internal.h

@@ -0,0 +1,3 @@
+#pragma once
+
+__attribute__((visibility("internal"))) void _init_textures_lava();

mods/src/textures/textures.cpp

@@ -11,6 +11,7 @@
 #include <mods/feature/feature.h>
 #include <mods/textures/textures.h>
 #include <mods/init/init.h>
+#include "textures-internal.h"
 
 #include "stb_image.h"
 
@@ -213,8 +214,10 @@ static Texture AppPlatform_linux_loadTexture_injection(__attribute__((unused)) A
 // Init
 void init_textures() {
     // Tick Dynamic Textures (Animated Water)
-    if (feature_has("Animated Water", server_disabled)) {
+    if (feature_has("Animated Water & Lava", server_disabled)) {
         misc_run_on_tick(Minecraft_tick_injection);
+        // Animated Lava
+        _init_textures_lava();
     }
 
     // Scale Animated Textures

symbols/CMakeLists.txt

@@ -131,12 +131,14 @@ set(SRC
     src/misc/Vec3.def
     src/misc/HitResult.def
     src/misc/PerfRenderer.def
-    src/misc/Texture.def
+    src/textures/Texture.def
-    src/misc/Textures.def
+    src/textures/Textures.def
+    src/textures/DynamicTexture.def
     src/misc/SoundEngine.def
     src/misc/Common.def
     src/misc/Config.def
     src/misc/Random.def
+    src/misc/Mth.def
     src/input/IMoveInput.def
     src/input/IBuildInput.def
     src/input/MouseBuildInput.def

symbols/src/misc/Common.def

@@ -5,3 +5,4 @@ static-method void renderCursor(float x, float y, Minecraft *minecraft) = 0x480c
 static-method void sleepMs(int x) = 0x13cf4;
 static-method int sdl_key_to_minecraft_key(int sdl_key) = 0x1243c;
 static-method void anGenBuffers(int count, uint *buffers) = 0x5f28c;
+static-method int getTimeMs() = 0x13cd4;

symbols/src/misc/Mth.def

@@ -0,0 +1,5 @@
+static-property Random _random = 0x17a87c;
+static-method float random() = 0x777a4;
+
+static-method float sin(float x) = 0x7775c;
+static-method float cos(float x) = 0x77728;

symbols/src/misc/Random.def

@@ -1,3 +1,10 @@
-method int genrand_int32() = 0x42cf8;
+size 0x9d0;
 
-static-property Random random = 0x17a87c;
+method float nextFloat() = 0x42cf8;
+method uint genrand_int32() = 0x50e14;
+method void init_genrand(uint seed) = 0x27d38;
+
+property uint seed = 0x0;
+property int param_1 = 0x9c4; // Set To 0x271
+property bool param_2 = 0x9c8; // Set To False
+property float param_3 = 0x9cc; // Set To 0

symbols/src/textures/DynamicTexture.def

@@ -0,0 +1,12 @@
+vtable 0x108120;
+vtable-size 0x10;
+
+size 0x40c;
+constructor (int texture) = 0x66154;
+
+virtual-method void tick() = 0x8;
+virtual-method void bindTexture(Textures *textures) = 0xc;
+
+property int texture_index = 0x4;
+property int texture_size = 0x8;
+property uchar pixels[1024] = 0xc;

symbols/src/textures/Textures.def

@@ -1,3 +1,4 @@
 method void tick(bool param_1) = 0x531c4;
 method int loadAndBindTexture(std::string *name) = 0x539cc;
 method int assignTexture(std::string *name, uchar *data) = 0x5354c;
+method void addDynamicTexture(DynamicTexture *texture) = 0x534f8;

symbols/src/tile/Tile.def

@@ -15,6 +15,7 @@ virtual-method int getColor(LevelSource *level_source, int x, int y, int z) = 0x
 virtual-method int getRenderShape() = 0xc;
 virtual-method Tile *setDescriptionId(std::string *description_id) = 0xe0;
 
+property int texture = 0x4;
 property int id = 0x8;
 property int category = 0x3c;
 
@@ -38,6 +39,7 @@ static-property Tile *info_updateGame2 = 0x181c6c;
 static-property Tile *bedrock = 0x181cc4;
 static-property Tile *tallgrass = 0x181d0c;
 static-property Tile *stoneSlab = 0x181b44;
+static-property Tile *fire = 0x181de0;
 
 // "Carried" Tiles
 static-property Tile *leaves = 0x18120c;