using System; using System.Collections.Generic; // ═══════════════════════════════════════════════ // HOW TO PLAY — 2D MINECRAFT // ═══════════════════════════════════════════════ // NOTE: It may take up to a minute for the game to load, please be patient // ── MOVEMENT ──────────────────────────────────── // A / D or ← → Walk left / right // W or Space Jump (only when on the ground) // S Climb down a ladder // ── MINING & BUILDING ─────────────────────────── // Left click (hold) Mine/break the block under your cursor // Harder blocks take longer to break // Right click Place the selected hotbar item as a block // Must be within ~5 blocks of the target // ── HOTBAR & INVENTORY ────────────────────────── // 1 – 9 Select a hotbar slot // E Open / close full inventory (36 slots) // C Open / close the crafting menu // Arrow Up / Down Scroll through crafting recipes (in craft menu) // Q Craft the highlighted recipe (in craft menu) // Right click Interact with a Crafting Table block // ── EATING ────────────────────────────────────── // F Eat the item in your selected slot // Works with: Apple, Bread // ── COMBAT ────────────────────────────────────── // Left click (near mob) Attack — swords deal more damage than fists // Zombies, Spiders, and Creepers spawn nearby // Creepers EXPLODE on death — keep your distance! // ── HUD INDICATORS ────────────────────────────── // Hearts (bottom-left) Your health // Drumsticks (bottom-right) Your hunger — eat before it empties // Day bar (top-center) Day / Night timer // Enemies spawn more aggressively at night // FPS counter (top-right) Performance readout // ── SURVIVAL TIPS ─────────────────────────────── // Dig downward to find ores: // Coal → Iron → Gold → Diamond (deeper = rarer) // Place Torches underground to light caves // You respawn at the surface on death (inventory kept) // Lava, Cacti, enemies, and starvation all deal damage // ── CRAFTING PROGRESSION ──────────────────────── // Wood → Planks → Sticks → Wooden Pickaxe // Mine Stone → Stone Pickaxe / Stone Sword // Mine Iron → Iron Pickaxe / Iron Sword // Mine Diamond→ Diamond Pickaxe (fastest tool in the game) // Coal + Sticks → Torches (essential underground) // Cobblestone x8 → Furnace // Planks x8 → Chest // ───────────────────────────────────────────── // CONSTANTS // ───────────────────────────────────────────── const int TILE = 24; const int WORLD_W = 300; const int WORLD_H = 160; // surfaceY[x] is the world-array row of the GRASS/top block. // y=0 is the TOP of the world (sky). y=WORLD_H-1 is the BOTTOM (bedrock). // Smaller y = higher up = sky. // Larger y = lower down = underground/bedrock. // This matches screen-space: y=0 is top of canvas, y increases downward. const int SEA_LEVEL = 70; // surface row (~middle-upper area of world) const int GRAVITY = 800; const double PLAYER_SPEED = 180; const double JUMP_SPEED = -420; // negative = upward in screen-space const int HOTBAR_SIZE = 9; const double DAY_LENGTH = 120.0; // ───────────────────────────────────────────── // BLOCK DEFS // ───────────────────────────────────────────── BlockDef[] BlockDefs = new BlockDef[40]; void SetBlock(int i, string name, double r, double g, double b, double dr, double dg, double db, bool solid, bool transparent, int hardness, string drop, int light) { BlockDefs[i].Name=name; BlockDefs[i].R=r; BlockDefs[i].G=g; BlockDefs[i].B=b; BlockDefs[i].DR=dr; BlockDefs[i].DG=dg; BlockDefs[i].DB=db; BlockDefs[i].Solid=solid; BlockDefs[i].Transparent=transparent; BlockDefs[i].Hardness=hardness; BlockDefs[i].DropItem=drop; BlockDefs[i].LightLevel=light; } void InitBlockDefs() { SetBlock( 0,"Air", 0, 0, 0, 0, 0, 0, false,true, 0,"", 0); SetBlock( 1,"Grass", 87,166, 72, 60,110, 45, true,false,20,"Dirt", 0); SetBlock( 2,"Dirt", 134,100, 67,100, 75, 50, true,false,15,"Dirt", 0); SetBlock( 3,"Stone", 140,140,140,100,100,100, true,false,40,"Cobblestone", 0); SetBlock( 4,"Sand", 220,205,150,180,165,120, true,false,10,"Sand", 0); SetBlock( 5,"Gravel", 150,140,130,110,100, 90, true,false,15,"Gravel", 0); SetBlock( 6,"Wood", 165,120, 60,120, 90, 40, true,false,30,"Wood", 0); SetBlock( 7,"Leaves", 60,130, 50, 40, 95, 35, true, true, 8,"", 0); SetBlock( 8,"Coal Ore", 140,140,140, 40, 40, 40, true,false,45,"Coal", 0); SetBlock( 9,"Iron Ore", 175,155,135,100,100,100, true,false,55,"Iron", 0); SetBlock(10,"Gold Ore", 140,140,140,200,170, 40, true,false,60,"Gold", 0); SetBlock(11,"Diamond Ore", 140,140,140, 85,215,230, true,false,80,"Diamond", 0); SetBlock(12,"Torch", 200,180,100,200,180,100, false, true, 2,"Torch", 14); SetBlock(13,"Crafting Table", 165,120, 60,120, 90, 40, true,false,25,"CraftingTable",0); SetBlock(14,"Furnace", 140,140,140,100,100,100, true,false,40,"Furnace", 0); SetBlock(15,"Chest", 165,120, 60,120, 90, 40, true,false,20,"Chest", 0); SetBlock(16,"Planks", 190,155,100,150,120, 75, true,false,20,"Planks", 0); SetBlock(17,"Cobblestone", 130,130,125, 90, 90, 85, true,false,40,"Cobblestone", 0); SetBlock(18,"Glass", 180,220,230,150,190,200, true, true,10,"", 0); SetBlock(19,"Bedrock", 60, 60, 60, 40, 40, 40, true,false, 0,"", 0); SetBlock(20,"Water", 40, 80,200, 30, 60,160, false, true, 0,"", 0); SetBlock(21,"Lava", 220,100, 30,180, 70, 10, false, true,15,"", 15); SetBlock(22,"Stone Slab", 140,140,140,100,100,100, true,false,30,"StoneSlab", 0); SetBlock(23,"Wood Slab", 190,155,100,150,120, 75, true,false,15,"WoodSlab", 0); SetBlock(24,"Ladder", 165,120, 60,120, 90, 40, false, true,10,"Ladder", 0); SetBlock(25,"Door", 165,120, 60,120, 90, 40, false, true,20,"Door", 0); SetBlock(26,"Red Flower", 220, 60, 60,180, 40, 40, false, true, 2,"RedFlower", 0); SetBlock(27,"Yellow Flower", 230,210, 60,190,170, 40, false, true, 2,"YellowFlower", 0); SetBlock(28,"Tall Grass", 80,160, 65, 60,120, 45, false, true, 2,"", 0); SetBlock(29,"Cactus", 60,160, 70, 40,120, 50, true,false,15,"Cactus", 0); SetBlock(30,"Snow", 235,245,255,200,215,230, true,false, 5,"Snow", 0); SetBlock(31,"Ice", 160,200,230,130,170,200, true, true,20,"Ice", 0); SetBlock(32,"TNT", 200, 60, 60,150, 40, 40, true,false, 5,"TNT", 0); } // Block index constants const int BLK_AIR=0,BLK_GRASS=1,BLK_DIRT=2,BLK_STONE=3,BLK_SAND=4,BLK_GRAVEL=5; const int BLK_WOOD=6,BLK_LEAVES=7,BLK_COAL=8,BLK_IRON=9,BLK_GOLD=10,BLK_DIAMOND=11; const int BLK_TORCH=12,BLK_CRAFTING=13,BLK_FURNACE=14,BLK_CHEST=15; const int BLK_PLANKS=16,BLK_COBBLE=17,BLK_GLASS=18,BLK_BEDROCK=19; const int BLK_WATER=20,BLK_LAVA=21,BLK_STONESLAB=22,BLK_WOODSLAB=23; const int BLK_LADDER=24,BLK_DOOR=25,BLK_REDFLOWER=26,BLK_YELLOWFLOWER=27; const int BLK_TALLGRASS=28,BLK_CACTUS=29,BLK_SNOW=30,BLK_ICE=31,BLK_TNT=32; // ───────────────────────────────────────────── // WORLD // ───────────────────────────────────────────── int[,] world = new int[WORLD_W, WORLD_H]; double[,] lightMap = new double[WORLD_W, WORLD_H]; // surfaceY[x] = world-array row of the topmost solid block (grass/sand/snow). // Because y=0 is sky-top and y increases downward, the surface is at some row ~SEA_LEVEL. // Everything with row < surfaceY[x] is AIR (sky above ground). // Everything with row >= surfaceY[x] is solid terrain. int[] surfaceY = new int[WORLD_W]; double Noise(double x, double freq, double amp) => Math.Sin(x * freq * 0.04 + 1.3) * amp + Math.Sin(x * freq * 0.09 + 2.7) * amp * 0.5 + Math.Sin(x * freq * 0.23 + 0.5) * amp * 0.25; void GenerateWorld() { var rng = new Random(42); // surfaceY[x]: row of the grass/top block. Varies around SEA_LEVEL. for (int x = 0; x < WORLD_W; x++) { double h = SEA_LEVEL + Noise(x,1.0,8) + Noise(x,0.4,3) + (x<20||x>WORLD_W-20 ? 0 : Noise(x,0.15,14)); surfaceY[x] = (int)Math.Clamp(h, 20, WORLD_H - 30); } for (int x = 0; x < WORLD_W; x++) { int sy = surfaceY[x]; // row of the surface block int biome = (x / 50) % 5; for (int y = 0; y < WORLD_H; y++) { if (y < sy) { // Above surface → sky/air world[x,y] = BLK_AIR; } else if (y == sy) { // Surface block world[x,y] = biome==3 ? BLK_SAND : biome==4 ? BLK_SNOW : BLK_GRASS; } else if (y <= sy + 3) { // A few rows of dirt just below surface world[x,y] = BLK_DIRT; } else if (y >= WORLD_H - 3) { // Bedrock at the very bottom world[x,y] = BLK_BEDROCK; } else { // Deep underground → stone world[x,y] = BLK_STONE; } } // Ores: only in stone rows below the dirt layer // depth = how far below surface (larger = deeper underground) for (int y = sy + 5; y < WORLD_H - 3; y++) { if (world[x,y] != BLK_STONE) continue; double d = rng.NextDouble(); double depth = (double)(y - sy) / (WORLD_H - sy); // 0 near surface, 1 at bottom if (d < 0.015) world[x,y] = BLK_COAL; else if (d < 0.022 && depth>0.25) world[x,y] = BLK_IRON; else if (d < 0.026 && depth>0.50) world[x,y] = BLK_GOLD; else if (d < 0.028 && depth>0.70) world[x,y] = BLK_DIAMOND; } } // Trees: trunk grows UPWARD from surface, i.e. into smaller y values for (int x = 3; x < WORLD_W-3; x++) { if (world[x, surfaceY[x]] != BLK_GRASS) continue; if (rng.NextDouble() > 0.07) continue; int sy = surfaceY[x]; int treeH = 4 + rng.Next(3); // Trunk: rows sy-1 down to sy-treeH (going upward = smaller y) for (int ty = sy - treeH; ty < sy; ty++) if (ty >= 0) world[x,ty] = BLK_WOOD; // Leaves: cluster around the top of the trunk at sy-treeH int topY = sy - treeH; for (int lx = x-2; lx <= x+2; lx++) for (int ly = topY-1; ly <= topY+2; ly++) if (lx>=0 && lx=0 && ly0 && bxSEA_LEVEL && by= 0) world[x,cy2] = BLK_CACTUS; } } // Cave torches: on the floor of caves (block above is air, block itself is stone) for (int i = 0; i < 80; i++) { int tx = rng.Next(1, WORLD_W-1); int ty = rng.Next(SEA_LEVEL+5, WORLD_H-5); // Torch sits on top of a stone floor: world[tx,ty] is air, world[tx,ty+1] is stone if (world[tx,ty]==BLK_AIR && ty+1=WORLD_W||ny<0||ny>=WORLD_H) continue; double dist=Math.Sqrt(dx*dx+dy*dy); lightMap[nx,ny]=Math.Min(1.0, lightMap[nx,ny]+(1.0-dist/9.0)*0.85); } } // ───────────────────────────────────────────── // PLAYER STATE // ───────────────────────────────────────────── double px=0, py=0, pvx=0, pvy=0; bool onGround=false, inWater=false, facingRight=true; int health=20, maxHealth=20, hunger=20, maxHunger=20; double hungerTimer=0, damageFlash=0, walkAnim=0; int selectedSlot=0; bool showInventory=false; var inventory = new (string item, int count)[36]; void AddItem(string item, int count=1) { for (int i=0;i0;i++) if (inventory[i].item==item) { int rem=Math.Min(count,inventory[i].count); inventory[i].count-=rem; count-=rem; if (inventory[i].count==0) inventory[i]=("",0); } return true; } string HotbarItem() => inventory[selectedSlot].item ?? ""; // ───────────────────────────────────────────── // ENEMIES, PARTICLES, DROPS // ───────────────────────────────────────────── var enemies = new List(); var particles = new List(); var itemDrops = new List(); double enemySpawnTimer = 0; // ───────────────────────────────────────────── // CAMERA & MINING // ───────────────────────────────────────────── double camX=0, camY=0; int mineX=-1, mineY=-1; double mineProgress=0, mineMaxProgress=1; // ───────────────────────────────────────────── // RECIPES // ───────────────────────────────────────────── var recipes = new List(); void InitRecipes() { recipes.Add(new Recipe("Planks", new[]{("Wood",1)}, "Planks", 4)); recipes.Add(new Recipe("Sticks", new[]{("Planks",2)}, "Sticks", 4)); recipes.Add(new Recipe("Crafting Table", new[]{("Planks",4)}, "CraftingTable", 1)); recipes.Add(new Recipe("Wooden Pickaxe", new[]{("Planks",3),("Sticks",2)}, "WoodPickaxe", 1)); recipes.Add(new Recipe("Stone Pickaxe", new[]{("Cobblestone",3),("Sticks",2)},"StonePickaxe", 1)); recipes.Add(new Recipe("Iron Pickaxe", new[]{("Iron",3),("Sticks",2)}, "IronPickaxe", 1)); recipes.Add(new Recipe("Diamond Pickaxe", new[]{("Diamond",3),("Sticks",2)}, "DiamondPickaxe",1)); recipes.Add(new Recipe("Wooden Sword", new[]{("Planks",2),("Sticks",1)}, "WoodSword", 1)); recipes.Add(new Recipe("Stone Sword", new[]{("Cobblestone",2),("Sticks",1)},"StoneSword", 1)); recipes.Add(new Recipe("Iron Sword", new[]{("Iron",2),("Sticks",1)}, "IronSword", 1)); recipes.Add(new Recipe("Torch", new[]{("Coal",1),("Sticks",1)}, "Torch", 4)); recipes.Add(new Recipe("Furnace", new[]{("Cobblestone",8)}, "Furnace", 1)); recipes.Add(new Recipe("Chest", new[]{("Planks",8)}, "Chest", 1)); recipes.Add(new Recipe("Glass", new[]{("Sand",1)}, "Glass", 1)); recipes.Add(new Recipe("Apple", new[]{("Leaves",5)}, "Apple", 1)); recipes.Add(new Recipe("Ladder", new[]{("Sticks",7)}, "Ladder", 3)); recipes.Add(new Recipe("Stone Slab", new[]{("Stone",3)}, "StoneSlab", 6)); recipes.Add(new Recipe("TNT", new[]{("Sand",5),("Coal",4)}, "TNT", 1)); } // ───────────────────────────────────────────── // TOOL HELPERS // ───────────────────────────────────────────── double ToolMultiplier(string tool) => tool switch { "DiamondPickaxe"=>6.0,"IronPickaxe"=>4.0,"StonePickaxe"=>2.5,"WoodPickaxe"=>1.5,_=>1.0}; int SwordDamage(string sword) => sword switch { "IronSword"=>7,"StoneSword"=>5,"WoodSword"=>3,_=>1}; // ───────────────────────────────────────────── // HELPERS // ───────────────────────────────────────────── bool IsSolid(int bx, int by) { if (bx<0||bx>=WORLD_W||by<0||by>=WORLD_H) return true; return BlockDefs[world[bx,by]].Solid; } bool IsLiquid(int bx, int by) { if (bx<0||bx>=WORLD_W||by<0||by>=WORLD_H) return false; int t=world[bx,by]; return t==BLK_WATER||t==BLK_LAVA; } void SpawnBlockParticles(int bx, int by) { var bd=BlockDefs[world[bx,by]]; var rng=new Random(); for (int i=0;i<8;i++) particles.Add(new Particle{ X=bx*TILE+TILE/2, Y=by*TILE+TILE/2, VX=(rng.NextDouble()-0.5)*200, VY=-50-rng.NextDouble()*200, // negative VY = upward burst Life=0.8,MaxLife=0.8,R=bd.R,G=bd.G,B=bd.B,Size=4}); } void Explode(double ex, double ey, double radius) { int r=(int)(radius/TILE), cx2=(int)(ex/TILE), cy2=(int)(ey/TILE); var rng=new Random(); for (int dx=-r;dx<=r;dx++) for (int dy=-r;dy<=r;dy++) { if (dx*dx+dy*dy>r*r) continue; int bx=cx2+dx, by2=cy2+dy; if (bx<1||bx>=WORLD_W-1||by2<1||by2>=WORLD_H-2) continue; if (world[bx,by2]!=BLK_BEDROCK) world[bx,by2]=BLK_AIR; for (int p=0;p<3;p++) particles.Add(new Particle{ X=bx*TILE+TILE/2,Y=by2*TILE+TILE/2, VX=(rng.NextDouble()-0.5)*300,VY=-100-rng.NextDouble()*300, Life=1.0,MaxLife=1.0,R=200,G=150,B=50,Size=5}); } RecalcLight(); } // ───────────────────────────────────────────── // INIT // ───────────────────────────────────────────── InitBlockDefs(); InitRecipes(); GenerateWorld(); int spawnX = WORLD_W / 2; // Player spawns 3 rows ABOVE the surface. Above surface = smaller y. px = spawnX * TILE; py = (surfaceY[spawnX] - 3) * TILE; camX = px - Screen.Width / 2; camY = py - Screen.Height / 2; AddItem("WoodPickaxe",1); AddItem("WoodSword",1); AddItem("Torch",8); AddItem("Planks",10); AddItem("Apple",5); double attackCooldown=0; bool showCrafting=false; int craftScroll=0; string message="Welcome! WASD=move LClick=mine RClick=place E=inventory C=craft F=eat"; double messageTimer=6.0; double time2=0, dayTime=0.3; bool mouseDown=false, rightDown=false; double lastPlaceTime=0, mouseWX=0, mouseWY=0; // ───────────────────────────────────────────── // INPUT // ───────────────────────────────────────────── Input.OnKeyDown((string key) => { if (key=="e"||key=="E"){showInventory=!showInventory;showCrafting=false;} if (key=="c"||key=="C"){showCrafting=!showCrafting;showInventory=false;} if (key=="1")selectedSlot=0; if (key=="2")selectedSlot=1; if (key=="3")selectedSlot=2; if (key=="4")selectedSlot=3; if (key=="5")selectedSlot=4; if (key=="6")selectedSlot=5; if (key=="7")selectedSlot=6; if (key=="8")selectedSlot=7; if (key=="9")selectedSlot=8; // Jump: set pvy negative (upward in screen-space) if ((key=="w"||key=="W"||key==" ")&&!showCrafting) { if (onGround) pvy=JUMP_SPEED; else if (inWater) pvy=JUMP_SPEED*0.6; } if (key=="ArrowUp" &&showCrafting) craftScroll=Math.Max(0,craftScroll-1); if (key=="ArrowDown"&&showCrafting) craftScroll=Math.Min(recipes.Count-1,craftScroll+1); if ((key=="q"||key=="Q")&&showCrafting&&recipes.Count>0) { var rec=recipes[craftScroll%recipes.Count]; bool can=true; foreach(var ing in rec.Ingredients) if(GetItemCount(ing.item){if(btn==0)mouseDown=true;if(btn==2)rightDown=true;}); Input.OnMouseUp((int btn)=>{ if(btn==0){mouseDown=false;mineX=-1;mineY=-1;mineProgress=0;} if(btn==2)rightDown=false; }); // ───────────────────────────────────────────── // PHYSICS // Physics uses screen-space pixel coords: // positive pvy = moving downward (falling) // negative pvy = moving upward (jumping) // Gravity adds positive pvy each frame. // ───────────────────────────────────────────── void UpdatePhysics(double dt) { double moveX=0; if(Input.IsKeyDown("a")||Input.IsKeyDown("A")||Input.IsKeyDown("ArrowLeft")) {moveX-=1;facingRight=false;} if(Input.IsKeyDown("d")||Input.IsKeyDown("D")||Input.IsKeyDown("ArrowRight")) {moveX+=1;facingRight=true;} int pCX=(int)((px+12)/TILE), pCY=(int)((py+20)/TILE); bool onLadder=pCX>=0&&pCX=0&&pCY=0&&pCX=0&&pCY600)pvy=600; } if(moveX!=0) walkAnim+=dt*8; // ── X movement ── // Player bounding box: width=22px, height=46px. Origin (px,py) = top-left. px+=pvx*dt; { // Re-sample tile columns using full player height (py to py+45) int xTop=(int)(py/TILE), xBot=(int)((py+45)/TILE); int xLeft=(int)(px/TILE), xRight=(int)((px+21)/TILE); if(pvx<0 && (IsSolid(xLeft,xTop)||IsSolid(xLeft,xBot))) { px=(xLeft+1)*TILE; pvx=0; } if(pvx>0 && (IsSolid(xRight,xTop)||IsSolid(xRight,xBot))) { px=xRight*TILE-22; pvx=0; } } px=Math.Clamp(px,0,(WORLD_W-2)*TILE); // ── Y movement ── py+=pvy*dt; onGround=false; { // Re-sample tile rows using full player width (px to px+21) int yLeft=(int)(px/TILE), yRight=(int)((px+21)/TILE); int yTop=(int)(py/TILE), yBot=(int)((py+45)/TILE); // Ceiling: hit block above (smaller y = higher on screen) if(pvy<0 && (IsSolid(yLeft,yTop)||IsSolid(yRight,yTop))) { py=(yTop+1)*TILE; pvy=0; } // Floor: hit block below (larger y = lower on screen). // Check regardless of pvy so onGround is set even mid-jump near floor. if(IsSolid(yLeft,yBot+1)||IsSolid(yRight,yBot+1)) { if(pvy>=0) { py=(yBot+1)*TILE-46; pvy=0; onGround=true; } else onGround=true; // standing on floor with upward velocity (shouldn't happen often) } } if(py>(WORLD_H-3)*TILE){py=(WORLD_H-3)*TILE;pvy=0;onGround=true;} if(py<0){py=0;pvy=0;} // Environmental damage int pcx2=(int)((px+12)/TILE), pcy2=(int)((py+24)/TILE); if(pcx2>=0&&pcx2=0&&pcy20.5){health-=2;damageFlash=0;}} if(bt==BLK_CACTUS){health-=1;damageFlash=0.3;} } health=Math.Max(0,health); if(health==0){ health=20; px=spawnX*TILE; py=(surfaceY[spawnX]-3)*TILE; message="You died! Respawned."; messageTimer=3; } hungerTimer+=dt; if(hungerTimer>15){hungerTimer=0;if(hunger>0)hunger--;} if(hunger==0&&health>1){health--;damageFlash=0.3;} if(damageFlash>0) damageFlash-=dt; if(attackCooldown>0) attackCooldown-=dt; } // ───────────────────────────────────────────── // ENEMIES // ───────────────────────────────────────────── void UpdateEnemies(double dt) { enemySpawnTimer-=dt; if(enemySpawnTimer<=0&&enemies.Count<15) { enemySpawnTimer=8; var rng=new Random(); int side=rng.Next(2)==0?-1:1; int ex=Math.Clamp((int)(px/TILE)+side*(15+rng.Next(20)),5,WORLD_W-5); int sy=surfaceY[ex]; // Spawn above the surface: pixel y = (sy-2)*TILE if(sy>=2) enemies.Add(new Enemy{ X=ex*TILE, Y=(sy-2)*TILE, Health=10, Type=new[]{"zombie","zombie","spider","creeper"}[rng.Next(4)]}); } for(int i=enemies.Count-1;i>=0;i--){ var e=enemies[i]; if(e.Health<=0){ var rng=new Random(); if(e.Type=="zombie") AddItem(rng.NextDouble()<0.5?"Dirt":"Wood",rng.Next(1,4)); if(e.Type=="creeper") Explode(e.X,e.Y,TILE*3); SpawnBlockParticles((int)(e.X/TILE),(int)(e.Y/TILE)); enemies.RemoveAt(i); continue; } double dirX=px+12-(e.X+12), dist=Math.Abs(dirX); if(dist<300){e.FacingRight=dirX>0;e.VX=Math.Sign(dirX)*(e.Type=="spider"?90:60);} else e.VX*=0.8; // Gravity: positive = downward e.VY+=GRAVITY*dt; if(e.VY>600)e.VY=600; e.X+=e.VX*dt; e.Y+=e.VY*dt; int eL=(int)(e.X/TILE),eR=(int)((e.X+21)/TILE); int eT=(int)(e.Y/TILE),eB=(int)((e.Y+45)/TILE); // Floor: tile row immediately below feet if(IsSolid(eL,eB+1)||IsSolid(eR,eB+1)){ if(e.VY>=0){ e.Y=(eB+1)*TILE-46; e.VY=0; } int nx=eL+(e.FacingRight?1:-1); if(Math.Abs(e.VX)>10&&(IsSolid(nx,eB)||IsSolid(nx,eB+1))) e.VY=-350; } // Ceiling if(eT>=0&&(IsSolid(eL,eT)||IsSolid(eR,eT))){e.Y=(eT+1)*TILE;e.VY=0;} e.X=Math.Clamp(e.X,0,(WORLD_W-2)*TILE); if(dist<28&&e.DamageTimer<=0){health-=(e.Type=="creeper"?8:2);e.DamageTimer=1.5;damageFlash=0.5;} if(e.DamageTimer>0) e.DamageTimer-=dt; } } // ───────────────────────────────────────────── // MINING & PLACING // ───────────────────────────────────────────── void UpdateMining(double dt) { mouseWX=Input.MouseX+camX; mouseWY=Input.MouseY+camY; int tmx=(int)(mouseWX/TILE), tmy=(int)(mouseWY/TILE); double rdx=mouseWX-(px+12), rdy=mouseWY-(py+22); bool inReach=Math.Sqrt(rdx*rdx+rdy*rdy)<5*TILE; if(mouseDown&&!showInventory&&!showCrafting&&inReach &&tmx>=0&&tmx=0&&tmy0){ mineProgress+=dt*20.0*ToolMultiplier(HotbarItem()); if(mineProgress>=mineMaxProgress){ SpawnBlockParticles(tmx,tmy); string drop=BlockDefs[bt].DropItem; if(drop!=""&&drop!=null) itemDrops.Add(new ItemDrop{X=tmx*TILE+TILE/2,Y=tmy*TILE,Item=drop,Count=1}); world[tmx,tmy]=BLK_AIR; RecalcLight(); mineX=-1;mineY=-1;mineProgress=0; } } } else {mineX=-1;mineY=-1;mineProgress=0;} } else if(!mouseDown){mineX=-1;mineY=-1;mineProgress=0;} // Sword attack if(mouseDown&&attackCooldown<=0&&!showInventory&&!showCrafting){ string tool=HotbarItem(); int dmg=SwordDamage(tool); double atkRange=tool.EndsWith("Sword")?TILE*3.5:TILE*2.5; var rng=new Random(); foreach(var e in enemies){ double ex2=e.X+12,ey2=e.Y+22,ddx=mouseWX-ex2,ddy=mouseWY-ey2; if(Math.Sqrt(ddx*ddx+ddy*ddy)px?200:-200);e.VY=-200;attackCooldown=0.4; for(int p=0;p<5;p++) particles.Add(new Particle{ X=ex2,Y=ey2,VX=(rng.NextDouble()-0.5)*200,VY=-100-rng.NextDouble()*100, Life=0.5,MaxLife=0.5,R=220,G=80,B=80,Size=4}); } } } // Right-click: place block if(rightDown&&inReach&&!showInventory&&!showCrafting&&time2-lastPlaceTime>0.25){ lastPlaceTime=time2; if(tmx>=0&&tmx=0&&tmy=0&&RemoveItem(it)){ world[tmx,tmy]=place; RecalcLight(); if(place==BLK_TNT){world[tmx,tmy]=BLK_AIR;Explode(tmx*TILE+TILE/2,tmy*TILE+TILE/2,TILE*4);} } } if(world[tmx,tmy]==BLK_CRAFTING){showCrafting=true;message="Crafting - ArrowUp/Down scroll, Q=craft";messageTimer=3;} } } } // ───────────────────────────────────────────── // DROPS & PARTICLES // ───────────────────────────────────────────── void UpdateItemDrops(double dt) { for(int i=itemDrops.Count-1;i>=0;i--){ var d=itemDrops[i]; d.Bob+=dt*3; double dx2=px+12-d.X,dy2=py+22-d.Y,dist2=Math.Sqrt(dx2*dx2+dy2*dy2); if(dist2<32){AddItem(d.Item,d.Count);message=$"+ {d.Item}";messageTimer=1;itemDrops.RemoveAt(i);} else if(dist2<80){d.X+=dx2/dist2*150*dt;d.Y+=dy2/dist2*150*dt;} } } void UpdateParticles(double dt) { for(int i=particles.Count-1;i>=0;i--){ var p=particles[i]; p.VY+=600*dt; // gravity pulls particles downward (positive VY) p.X+=p.VX*dt; p.Y+=p.VY*dt; p.Life-=dt; if(p.Life<=0) particles.RemoveAt(i); } } // ───────────────────────────────────────────── // DRAWING // ───────────────────────────────────────────── void DrawSky() { double sunAngle=dayTime*Math.PI*2; // sunFrac: 0=sun at top of sky, 1=sun at bottom (horizon) double sunFrac=0.5-Math.Sin(sunAngle)*0.45; bool isDay=sunFrac<0.65; double blend=Math.Clamp(1.0-Math.Abs(sunFrac-0.15)/0.5,0,1); double skyR=isDay?30+blend*100:5,skyG=isDay?100+blend*60:5,skyB=isDay?200+blend*55:20; Canvas.Fill(skyR,skyG,skyB); Canvas.Rect(0,0,Screen.Width,Screen.Height); // Sun/moon travel across the screen horizontally, height driven by sunFrac double sunPX=Screen.Width/2+Math.Cos(sunAngle)*Screen.Width*0.4; double sunPY=sunFrac*Screen.Height*0.7+20; if(isDay){ Canvas.Fill(255,230,100);Canvas.Circle(sunPX,sunPY,20); Canvas.Fill(255,240,150,0.3);Canvas.Circle(sunPX,sunPY,30); } else { Canvas.Fill(220,220,240);Canvas.Circle(sunPX,sunPY,15); var rs=new Random(99); Canvas.Fill(255,255,255,0.7); for(int s=0;s<60;s++) Canvas.Circle(rs.NextDouble()*Screen.Width,rs.NextDouble()*Screen.Height*0.65,1.5); } } void DrawWorld() { int startX=Math.Max(0,(int)(camX/TILE)-1); int endX =Math.Min(WORLD_W-1,startX+(int)(Screen.Width/TILE)+2); int startY=Math.Max(0,(int)(camY/TILE)-1); int endY =Math.Min(WORLD_H-1,startY+(int)(Screen.Height/TILE)+2); double ambLight=Math.Clamp(Math.Sin(dayTime*Math.PI)*0.8+0.25,0.15,1.0); for(int bx=startX;bx<=endX;bx++) for(int by=startY;by<=endY;by++) { int bt=world[bx,by]; if(bt==BLK_AIR) continue; var bd=BlockDefs[bt]; double sx=bx*TILE-camX, sy2=by*TILE-camY; double lm=Math.Clamp(lightMap[bx,by]*ambLight,0.08,1.0); Canvas.Fill(bd.R*lm,bd.G*lm,bd.B*lm); Canvas.Rect(sx,sy2,TILE,TILE); // Side shading: darker on right and bottom edges Canvas.Fill(bd.DR*lm,bd.DG*lm,bd.DB*lm); Canvas.Rect(sx+TILE*0.6,sy2,TILE*0.4,TILE); Canvas.Rect(sx,sy2+TILE*0.6,TILE,TILE*0.4); if(bt==BLK_GRASS){Canvas.Fill(100*lm,200*lm,70*lm);Canvas.Rect(sx,sy2,TILE,4);} if(bt==BLK_TORCH){ Canvas.Fill(200*lm,160*lm,80*lm);Canvas.Rect(sx+10,sy2+4,4,14); Canvas.Fill(255,200,50);Canvas.Circle(sx+12,sy2+3,4);} if(bt==BLK_COAL) {Canvas.Fill(40*lm,40*lm,40*lm);Canvas.Circle(sx+8,sy2+10,3);Canvas.Circle(sx+16,sy2+6,2);} if(bt==BLK_IRON) {Canvas.Fill(200*lm,180*lm,150*lm);Canvas.Circle(sx+6,sy2+8,3);Canvas.Circle(sx+16,sy2+14,3);} if(bt==BLK_GOLD) {Canvas.Fill(230*lm,180*lm,30*lm);Canvas.Circle(sx+8,sy2+10,4);Canvas.Circle(sx+16,sy2+6,3);} if(bt==BLK_DIAMOND){Canvas.Fill(80*lm,220*lm,240*lm);Canvas.Circle(sx+8,sy2+10,4);Canvas.Circle(sx+16,sy2+8,3);} if(bt==BLK_WOOD) {Canvas.Fill(100*lm,75*lm,40*lm);Canvas.Rect(sx+2,sy2,4,TILE);Canvas.Rect(sx+TILE-6,sy2,4,TILE);} if(bt==BLK_LEAVES) {Canvas.Fill(50*lm,120*lm,45*lm,0.4);Canvas.Circle(sx+6,sy2+6,7);Canvas.Circle(sx+17,sy2+8,6);Canvas.Circle(sx+10,sy2+16,6);} if(bt==BLK_REDFLOWER){ Canvas.Fill(60*lm,180*lm,50*lm);Canvas.Rect(sx+11,sy2+6,2,16); Canvas.Fill(220*lm,60*lm,60*lm);Canvas.Circle(sx+12,sy2+5,5);} if(bt==BLK_YELLOWFLOWER){ Canvas.Fill(60*lm,180*lm,50*lm);Canvas.Rect(sx+11,sy2+6,2,16); Canvas.Fill(230*lm,210*lm,60*lm);Canvas.Circle(sx+12,sy2+5,5);} if(bt==BLK_TALLGRASS){ Canvas.Fill(80*lm,165*lm,65*lm); Canvas.Rect(sx+8,sy2+4,3,18);Canvas.Rect(sx+13,sy2+2,3,20);Canvas.Rect(sx+4,sy2+6,3,16);} if(bt==BLK_CRAFTING){Canvas.Fill(120*lm,90*lm,50*lm);Canvas.Rect(sx+2,sy2+2,TILE-4,6);Canvas.Rect(sx+2,sy2+2,6,TILE-4);} if(bt==BLK_FURNACE) {Canvas.Fill(200*lm,100*lm,40*lm);Canvas.Rect(sx+6,sy2+10,12,8,2);} if(bt==BLK_CHEST){ Canvas.Fill(130*lm,95*lm,55*lm);Canvas.Rect(sx+2,sy2+6,TILE-4,TILE-8,2); Canvas.Fill(180*lm,140*lm,80*lm);Canvas.Rect(sx+4,sy2+8,TILE-8,4,1);} if(bt==BLK_TNT){Canvas.Fill(240,240,240);Canvas.Font("Arial",10,"bold");Canvas.Text("TNT",sx+2,sy2+7);} if(bt==BLK_WATER){Canvas.Fill(40,80,200,0.6+Math.Sin(time2*2+bx)*0.1);Canvas.Rect(sx,sy2,TILE,TILE);} if(bt==BLK_LAVA){double pulse=Math.Sin(time2*3+bx*0.5)*20;Canvas.Fill(220*lm,(100+pulse)*lm,30*lm,0.9);Canvas.Rect(sx,sy2,TILE,TILE);} // Mining progress overlay if(bx==mineX&&by==mineY&&mineMaxProgress>0){ double pct=mineProgress/mineMaxProgress; Canvas.Fill(0,0,0,0.5*pct);Canvas.Rect(sx,sy2,TILE,TILE); for(int ci=0;ci<(int)(pct*5);ci++){Canvas.Fill(50,50,50,0.7);Canvas.Line(sx+4+ci*3,sy2+4,sx+2+ci*3,sy2+TILE-4);} Canvas.Fill(0,0,0,0.7);Canvas.Rect(sx,sy2+TILE-4,TILE,4); Canvas.Fill(255,200,0);Canvas.Rect(sx,sy2+TILE-4,TILE*pct,4); } } } void DrawItemIcon(string item, double x, double y, double sz) { double r,g,b; if (item=="WoodPickaxe"||item=="WoodSword"||item=="Wood"||item=="Planks") {r=180;g=140;b=80;} else if(item=="StonePickaxe"||item=="StoneSword"||item=="Stone"||item=="Cobblestone") {r=150;g=150;b=145;} else if(item=="IronPickaxe"||item=="IronSword"||item=="Iron") {r=200;g=200;b=210;} else if(item=="DiamondPickaxe"||item=="Diamond") {r=80;g=220;b=235;} else if(item=="Torch") {r=220;g=180;b=80;} else if(item=="Coal") {r=50;g=50;b=50;} else if(item=="Gold") {r=230;g=185;b=40;} else if(item=="Apple"||item=="Bread") {r=200;g=100;b=60;} else if(item=="Dirt"||item=="Sand") {r=180;g=150;b=100;} else {r=160;g=160;b=160;} Canvas.Fill(r,g,b);Canvas.Rect(x,y,sz,sz,2); Canvas.Fill(255,255,255,0.3);Canvas.Rect(x,y,sz*0.4,sz*0.4); } void DrawPlayer() { double px2=px-camX, py2=py-camY; double fl=(damageFlash>0)?1.0:0; // Shadow on ground Canvas.Fill(0,0,0,0.2);Canvas.Ellipse(px2+11,py2+46,14,4); // Legs Canvas.Fill(60+fl*150,80,160+fl*50); Canvas.Rect(px2+4,py2+28,8,18);Canvas.Rect(px2+14,py2+28,8,18); // Body Canvas.Fill(100+fl*150,140,80+fl*50);Canvas.Rect(px2+2,py2+14,20,16,2); // Arms (swing with walk) double armSway=Math.Sin(walkAnim+Math.PI)*8; Canvas.Fill(200+fl*55,170+fl*30,140+fl*30); Canvas.Rect(px2-4,py2+14+(facingRight?armSway:-armSway),7,14,2); Canvas.Rect(px2+21,py2+14+(facingRight?-armSway:armSway),7,14,2); // Head Canvas.Fill(200+fl*55,170+fl*30,140+fl*30);Canvas.Rect(px2+2,py2,20,16,3); // Eyes Canvas.Fill(50,80,150); if(facingRight){Canvas.Rect(px2+14,py2+5,4,4,1);Canvas.Rect(px2+10,py2+5,3,4,1);} else {Canvas.Rect(px2+6,py2+5,4,4,1); Canvas.Rect(px2+11,py2+5,3,4,1);} // Hair Canvas.Fill(80,50,30);Canvas.Rect(px2+2,py2,20,4,3); // Held item string held=HotbarItem(); if(held!=""&&held!=null) DrawItemIcon(held,facingRight?px2+28:px2-12,py2+20,12); } void DrawEnemies() { foreach(var e in enemies){ double ex=e.X-camX,ey=e.Y-camY; if(ex<-50||ex>Screen.Width+50) continue; if(e.Type=="zombie"){ Canvas.Fill(80,130,80);Canvas.Rect(ex+3,ey+14,18,14,2); Canvas.Fill(50,70,100);Canvas.Rect(ex+5,ey+28,7,16);Canvas.Rect(ex+13,ey+28,7,16); Canvas.Fill(100,155,100);Canvas.Rect(ex+4,ey+2,16,14,2); Canvas.Fill(200,30,30);Canvas.Circle(ex+9,ey+8,2);Canvas.Circle(ex+16,ey+8,2); } else if(e.Type=="spider"){ Canvas.Fill(50,30,50);Canvas.Circle(ex+12,ey+20,12); Canvas.Fill(80,40,80);Canvas.Ellipse(ex+12,ey+12,8,7); Canvas.Fill(180,30,30);Canvas.Circle(ex+8,ey+10,2);Canvas.Circle(ex+16,ey+10,2); Canvas.Fill(50,30,50); for(int l=0;l<4;l++){double la=-0.5+l*0.35; Canvas.Line(ex+12,ey+20,ex+12+Math.Cos(la)*18,ey+20+Math.Sin(la)*8); Canvas.Line(ex+12,ey+20,ex+12-Math.Cos(la)*18,ey+20+Math.Sin(la)*8);} } else { // creeper Canvas.Fill(60,170,60);Canvas.Rect(ex+3,ey+10,18,20,2); Canvas.Rect(ex+6,ey+30,6,16);Canvas.Rect(ex+13,ey+30,6,16); Canvas.Fill(50,140,50);Canvas.Rect(ex+4,ey,16,14,2); Canvas.Fill(20,60,20);Canvas.Rect(ex+8,ey+5,4,5);Canvas.Rect(ex+12,ey+4,5,3);Canvas.Rect(ex+9,ey+8,7,3); } Canvas.Fill(0,0,0,0.6);Canvas.Rect(ex,ey-8,24,4,2); Canvas.Fill(220,60,60);Canvas.Rect(ex,ey-8,24.0*e.Health/10,4,2); } } void DrawParticles() { foreach(var p in particles){ double alpha=p.Life/p.MaxLife; Canvas.Fill(p.R,p.G,p.B,alpha);Canvas.Circle(p.X-camX,p.Y-camY,p.Size*alpha); } } void DrawDrops() { foreach(var d in itemDrops){ double bob=Math.Sin(d.Bob)*3; DrawItemIcon(d.Item,d.X-camX-6,d.Y-camY+bob-6,12); } } void DrawHUD() { double sw=Screen.Width,sh=Screen.Height; // Hotbar double hbW=HOTBAR_SIZE*44+4,hbX=sw/2-hbW/2,hbY=sh-52; Canvas.Fill(0,0,0,0.6);Canvas.Rect(hbX-2,hbY-2,hbW+4,48,6); for(int i=0;i1){Canvas.Fill(255,255,100);Canvas.Font("Arial",10,"bold");Canvas.Text($"{inventory[i].count}",sx+24,hbY+28);} } Canvas.Fill(180,180,180);Canvas.Font("Arial",9);Canvas.Text($"{i+1}",sx+2,hbY+12); } string held=HotbarItem(); if(held!=""&&held!=null){ Canvas.Font("Arial",13,"bold");double tw=Canvas.MeasureText(held); Canvas.Fill(0,0,0,0.5);Canvas.Rect(sw/2-tw/2-6,hbY-24,tw+12,18,4); Canvas.Fill(255,255,200);Canvas.Text(held,sw/2-tw/2,hbY-10); } // Health hearts for(int i=0;i=0&&hmxi=0&&hmyi0){ Canvas.Font("Arial",14,"bold");double mw=Canvas.MeasureText(message); double alpha=Math.Min(1.0,messageTimer); Canvas.Fill(0,0,0,0.6*alpha);Canvas.Rect(sw/2-mw/2-8,sh/2-80,mw+16,22,4); Canvas.Fill(255,255,200,alpha);Canvas.Text(message,sw/2-mw/2,sh/2-64); } Canvas.Fill(200,200,200,0.5);Canvas.Font("Arial",10); Canvas.Text("WASD=Move F=Eat E=Inventory C=Craft Q=Craft 1-9=Slots",8,16); } void DrawInventory() { double sw=Screen.Width,sh=Screen.Height; double iw=400,ih=340,ix=sw/2-200,iy=sh/2-170; Canvas.Fill(30,30,40,0.95);Canvas.Rect(ix,iy,iw,ih,8); Canvas.Fill(100,150,200);Canvas.Font("Arial",16,"bold");Canvas.Text("Inventory",ix+10,iy+20); for(int row=0;row<4;row++) for(int col=0;col<9;col++){ int idx=row*9+col; double sx=ix+10+col*42,sy2=iy+35+row*42; bool isSel=idx1){Canvas.Fill(255,255,100);Canvas.Font("Arial",10,"bold");Canvas.Text($"{inventory[idx].count}",sx+22,sy2+30);} } } Canvas.Fill(180,180,180);Canvas.Font("Arial",10);Canvas.Text("E to close",ix+10,iy+ih-10); } void DrawCrafting() { double sw=Screen.Width,sh=Screen.Height; double cw=380,ch=380,cx=sw/2-190,cy2=sh/2-190; Canvas.Fill(30,30,40,0.96);Canvas.Rect(cx,cy2,cw,ch,8); Canvas.Fill(200,160,80);Canvas.Font("Arial",16,"bold");Canvas.Text("Crafting",cx+10,cy2+20); for(int i=0;i { double dt=Math.Min(Screen.DeltaTime,0.05); time2+=dt; dayTime=(dayTime+dt/DAY_LENGTH)%1.0; if(messageTimer>0) messageTimer-=dt; UpdatePhysics(dt); UpdateMining(dt); UpdateEnemies(dt); UpdateItemDrops(dt); UpdateParticles(dt); double tgX=px-Screen.Width/2+12, tgY=py-Screen.Height/2+22; camX+=(tgX-camX)*dt*8; camY+=(tgY-camY)*dt*8; camX=Math.Clamp(camX,0,WORLD_W*TILE-Screen.Width); camY=Math.Clamp(camY,0,WORLD_H*TILE-Screen.Height); DrawSky(); DrawWorld(); DrawDrops(); DrawEnemies(); DrawParticles(); DrawPlayer(); DrawHUD(); if(showInventory) DrawInventory(); if(showCrafting) DrawCrafting(); }); // ══════════════════════════════════════════════ // TYPE DECLARATIONS (must be after all top-level statements) // ══════════════════════════════════════════════ struct BlockDef { public string Name; public double R,G,B,DR,DG,DB; public bool Solid,Transparent; public int Hardness,LightLevel; public string DropItem; } class Enemy { public double X,Y,VX,VY; public int Health=10; public double DamageTimer=0; public bool FacingRight=true; public string Type="zombie"; } class Particle { public double X,Y,VX,VY,Life,MaxLife,R,G,B,Size; } class ItemDrop { public double X,Y,Bob; public string Item=""; public int Count=1; } class Recipe { public string Name; public (string item,int count)[] Ingredients; public string Result; public int ResultCount; public Recipe(string name,(string,int)[] ingredients,string result,int resultCount){ Name=name;Ingredients=ingredients;Result=result;ResultCount=resultCount; } }