using System; using System.Collections.Generic; // ───────────────────────────────────────────── // CONSTANTS // ───────────────────────────────────────────── const int TILE = 24; const int WORLD_W = 300; const int WORLD_H = 160; const int SEA_LEVEL = 70; const double GRAVITY = 800; const double PSPEED = 180; const double JUMP_VY = -420; const int HOTBAR = 9; const double DAY_LEN = 120.0; // Player & enemy AABB sizes (pixels) const double PW = 22, PH = 46; const double EW = 22, EH = 46; // ───────────────────────────────────────────── // BLOCK DEFS // ───────────────────────────────────────────── BlockDef[] BD = new BlockDef[40]; void MkB(int id,string name,double r,double g,double b,double dr,double dg,double db, bool solid,bool transp,int hard,string drop,int light){ BD[id]=new BlockDef{Name=name,R=r,G=g,B=b,DR=dr,DG=dg,DB=db, Solid=solid,Transp=transp,Hard=hard,Drop=drop,Light=light}; } void InitBD(){ MkB( 0,"Air", 0, 0, 0, 0, 0, 0, false,true, 0,"", 0); MkB( 1,"Grass", 87,166, 72, 60,110, 45, true,false,20,"Dirt", 0); MkB( 2,"Dirt", 134,100, 67,100, 75, 50, true,false,15,"Dirt", 0); MkB( 3,"Stone", 140,140,140,100,100,100, true,false,40,"Cobblestone", 0); MkB( 4,"Sand", 220,205,150,180,165,120, true,false,10,"Sand", 0); MkB( 5,"Gravel", 150,140,130,110,100, 90, true,false,15,"Gravel", 0); MkB( 6,"Wood", 165,120, 60,120, 90, 40, true,false,30,"Wood", 0); MkB( 7,"Leaves", 60,130, 50, 40, 95, 35, true, true, 8,"", 0); MkB( 8,"Coal Ore", 140,140,140, 40, 40, 40, true,false,45,"Coal", 0); MkB( 9,"Iron Ore", 175,155,135,100,100,100, true,false,55,"Iron", 0); MkB(10,"Gold Ore", 140,140,140,200,170, 40, true,false,60,"Gold", 0); MkB(11,"Diamond Ore", 140,140,140, 85,215,230, true,false,80,"Diamond", 0); MkB(12,"Torch", 200,180,100,200,180,100, false,true, 2,"Torch", 14); MkB(13,"Crafting", 165,120, 60,120, 90, 40, true,false,25,"CraftingTable", 0); MkB(14,"Furnace", 140,140,140,100,100,100, true,false,40,"Furnace", 0); MkB(15,"Chest", 165,120, 60,120, 90, 40, true,false,20,"Chest", 0); MkB(16,"Planks", 190,155,100,150,120, 75, true,false,20,"Planks", 0); MkB(17,"Cobblestone", 130,130,125, 90, 90, 85, true,false,40,"Cobblestone", 0); MkB(18,"Glass", 180,220,230,150,190,200, true, true,10,"", 0); MkB(19,"Bedrock", 60, 60, 60, 40, 40, 40, true,false, 0,"", 0); MkB(20,"Water", 40, 80,200, 30, 60,160, false,true, 0,"", 0); MkB(21,"Lava", 220,100, 30,180, 70, 10, false,true,15,"", 15); MkB(22,"Stone Slab", 140,140,140,100,100,100, true,false,30,"StoneSlab", 0); MkB(23,"Wood Slab", 190,155,100,150,120, 75, true,false,15,"WoodSlab", 0); MkB(24,"Ladder", 165,120, 60,120, 90, 40, false,true,10,"Ladder", 0); MkB(25,"Door", 165,120, 60,120, 90, 40, false,true,20,"Door", 0); MkB(26,"Red Flower", 220, 60, 60,180, 40, 40, false,true, 2,"RedFlower", 0); MkB(27,"YellowFlower",230,210, 60,190,170, 40, false,true, 2,"YellowFlower", 0); MkB(28,"Tall Grass", 80,160, 65, 60,120, 45, false,true, 2,"", 0); MkB(29,"Cactus", 60,160, 70, 40,120, 50, true,false,15,"Cactus", 0); MkB(30,"Snow", 235,245,255,200,215,230, true,false, 5,"Snow", 0); MkB(31,"Ice", 160,200,230,130,170,200, true, true,20,"Ice", 0); MkB(32,"TNT", 200, 60, 60,150, 40, 40, true,false, 5,"TNT", 0); } 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]; 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); for(int x=0;xWORLD_W-20?0:Noise(x,0.15,14)); surfaceY[x]=(int)Math.Clamp(h,20,WORLD_H-30); } for(int x=0;x=WORLD_H-3) world[x,y]=BLK_BEDROCK; else world[x,y]=BLK_STONE; } for(int y=sy+5;y0.25) 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 for(int x=3;x0.07) continue; int sy=surfaceY[x], h=4+rng.Next(3); for(int ty=sy-h;ty=0) world[x,ty]=BLK_WOOD; int topY=sy-h; for(int lx=x-2;lx<=x+2;lx++) for(int ly=topY-1;ly<=topY+2;ly++) if(lx>=0&&lx=0&&ly=0&&bx=0&&by0&&bxSEA_LEVEL&&by0.06) continue; int ch=1+rng.Next(3); for(int cy3=sy-ch;cy3=0) world[x,cy3]=BLK_CACTUS; } // Cave torches for(int i=0;i<80;i++){ int tx=rng.Next(1,WORLD_W-1), ty=rng.Next(SEA_LEVEL+5,WORLD_H-5); 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,lightMap[nx,ny]+(1-dist/9)*0.85); } } } // ───────────────────────────────────────────── // AABB HELPERS // ───────────────────────────────────────────── // Does any solid tile overlap the given pixel AABB? bool AabbSolidOverlap(double ax,double ay,double aw,double ah){ int x0=Math.Max(0,(int)(ax/TILE)), x1=Math.Min(WORLD_W-1,(int)((ax+aw-1)/TILE)); int y0=Math.Max(0,(int)(ay/TILE)), y1=Math.Min(WORLD_H-1,(int)((ay+ah-1)/TILE)); for(int tx=x0;tx<=x1;tx++) for(int ty=y0;ty<=y1;ty++) if(BD[world[tx,ty]].Solid) return true; return false; } // Move entity by (dx,dy), resolve solid collisions axis-by-axis. MoveResult MoveAABB(double x,double y,double w,double h,double dx,double dy,double vx,double vy){ bool onGround=false, hitCeil=false; // ── X axis ── x+=dx; if(AabbSolidOverlap(x,y,w,h)){ if(dx>0) x=Math.Floor((x+w)/TILE)*TILE-w; else x=Math.Ceiling(x/TILE)*TILE; vx=0; } x=Math.Clamp(x,0,(WORLD_W-1)*TILE-w); // ── Y axis ── y+=dy; if(AabbSolidOverlap(x,y,w,h)){ if(dy>0){ y=Math.Floor((y+h)/TILE)*TILE-h; onGround=true; } else { y=Math.Ceiling(y/TILE)*TILE; hitCeil=true; } vy=0; } // Still on ground? check one pixel below if(!onGround && AabbSolidOverlap(x,y+1,w,h)) onGround=true; y=Math.Clamp(y,0,(WORLD_H-2)*TILE-h); return new MoveResult{X=x,Y=y,VX=vx,VY=vy,OnGround=onGround,HitCeil=hitCeil}; } // Do two AABBs overlap? bool AabbOverlap(double ax,double ay,double aw,double ah,double bx,double by,double bw,double bh)=> axbx && ayby; bool IsLiquid(int tx,int ty){ if(tx<0||tx>=WORLD_W||ty<0||ty>=WORLD_H) return false; int t=world[tx,ty]; return t==BLK_WATER||t==BLK_LAVA; } // ───────────────────────────────────────────── // 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,attackCool=0; int selectedSlot=0; bool showInv=false, showCraft=false; // ───────────────────────────────────────────── // INVENTORY // ───────────────────────────────────────────── var inv = new (string item, int count)[36]; void AddItem(string item,int n=1){ for(int i=0;i0;i++) if(inv[i].item==item){int r=Math.Min(n,inv[i].count);inv[i].count-=r;n-=r;if(inv[i].count==0)inv[i]=("",0);} return true; } string HotbarItem()=>inv[selectedSlot].item??""; // ───────────────────────────────────────────── // ENEMIES, PARTICLES, DROPS // ───────────────────────────────────────────── var enemies = new List(); var particles = new List(); var itemDrops = new List(); double enemySpawnT=0; // ───────────────────────────────────────────── // CAMERA & MINING // ───────────────────────────────────────────── double camX=0,camY=0; int mineX=-1,mineY=-1; double mineProgress=0,mineMax=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)); } int craftScroll=0; // ───────────────────────────────────────────── // TOOL HELPERS // ───────────────────────────────────────────── double ToolMult(string t)=>t switch{"DiamondPickaxe"=>6,"IronPickaxe"=>4,"StonePickaxe"=>2.5,"WoodPickaxe"=>1.5,_=>1}; int SwordDmg(string t)=>t switch{"IronSword"=>7,"StoneSword"=>5,"WoodSword"=>3,_=>1}; // ───────────────────────────────────────────── // MISC STATE // ───────────────────────────────────────────── double time2=0, dayTime=0.3, lastPlaceTime=0; bool mouseDown=false, rightDown=false; double mouseWX=0, mouseWY=0; string message="Welcome! WASD=move LClick=mine RClick=place E=inv C=craft F=eat"; double msgT=6; int spawnX=WORLD_W/2; // ───────────────────────────────────────────── // PARTICLES & EXPLOSIONS // ───────────────────────────────────────────── void SpawnBlockParticles(int bx,int by){ var bd=BD[world[bx,by]]; var rng=new Random(); for(int i=0;i<8;i++) particles.Add(new Particle{X=bx*TILE+TILE/2.0,Y=by*TILE+TILE/2.0, VX=(rng.NextDouble()-0.5)*200,VY=-50-rng.NextDouble()*200, Life=0.8,MaxLife=0.8,R=bd.R,G=bd.G,B=bd.B,Sz=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,by=cy2+dy; if(bx<1||bx>=WORLD_W-1||by<1||by>=WORLD_H-2) continue; if(world[bx,by]!=BLK_BEDROCK) world[bx,by]=BLK_AIR; for(int p=0;p<3;p++) particles.Add(new Particle{X=bx*TILE+TILE/2.0,Y=by*TILE+TILE/2.0, VX=(rng.NextDouble()-0.5)*300,VY=-100-rng.NextDouble()*300, Life=1,MaxLife=1,R=200,G=150,B=50,Sz=5}); } RecalcLight(); } // ───────────────────────────────────────────── // INIT // ───────────────────────────────────────────── InitBD(); InitRecipes(); GenerateWorld(); 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); // ───────────────────────────────────────────── // INPUT // ───────────────────────────────────────────── Input.OnKeyDown((string key)=>{ if(key=="e"||key=="E"){showInv=!showInv;showCraft=false;} if(key=="c"||key=="C"){showCraft=!showCraft;showInv=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; if((key=="w"||key=="W"||key==" ")&&!showCraft){ if(onGround) pvy=JUMP_VY; else if(inWater) pvy=JUMP_VY*0.6; } if(key=="ArrowUp"&&showCraft) craftScroll=Math.Max(0,craftScroll-1); if(key=="ArrowDown"&&showCraft) craftScroll=Math.Min(recipes.Count-1,craftScroll+1); if((key=="q"||key=="Q")&&showCraft&&recipes.Count>0){ var rec=recipes[craftScroll%recipes.Count]; bool can=true; foreach(var ing in rec.Ingredients) if(GetItem(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 // ───────────────────────────────────────────── 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 pcTX=(int)((px+PW/2)/TILE), pcTY=(int)((py+PH/2)/TILE); bool onLadder=pcTX>=0&&pcTX=0&&pcTY=0&&pcTX=0&&pcTY=0&&pcTX=0&&pcTY0.5){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.";msgT=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(attackCool>0) attackCool-=dt; } // ───────────────────────────────────────────── // ENEMIES // ───────────────────────────────────────────── void UpdateEnemies(double dt){ enemySpawnT-=dt; if(enemySpawnT<=0&&enemies.Count<15){ enemySpawnT=8; var rng=new Random(); int side=rng.Next(2)==0?-1:1; int ex2=Math.Clamp((int)(px/TILE)+side*(15+rng.Next(20)),5,WORLD_W-5); int sy=surfaceY[ex2]; var types=new[]{"zombie","zombie","spider","creeper"}; if(sy>=2) enemies.Add(new Enemy{X=ex2*TILE,Y=(sy-2)*TILE,HP=10,Type=types[rng.Next(4)]}); } for(int i=enemies.Count-1;i>=0;i--){ var e=enemies[i]; if(e.HP<=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+EW/2,e.Y+EH/2,TILE*3); SpawnBlockParticles((int)(e.X/TILE),(int)(e.Y/TILE)); enemies.RemoveAt(i); continue; } double dirX=(px+PW/2)-(e.X+EW/2), dist=Math.Abs(dirX); if(dist<300){e.Facing=dirX>0?1:-1; e.VX=Math.Sign(dirX)*(e.Type=="spider"?90:60);} else e.VX*=0.8; e.VY=Math.Min(600,e.VY+GRAVITY*dt); // AABB move for enemy var er=MoveAABB(e.X,e.Y,EW,EH,e.VX*dt,e.VY*dt,e.VX,e.VY); e.X=er.X; e.Y=er.Y; e.VX=er.VX; e.VY=er.VY; // Jump over walls if(er.OnGround&&Math.Abs(e.VX)<1&&dist<300){ int frontTX=(int)((e.X+(e.Facing>0?EW+2:-2))/TILE); int footTY=(int)((e.Y+EH-1)/TILE); if(frontTX>=0&&frontTX=0&&footTY0) e.DmgT-=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+PW/2), rdy=mouseWY-(py+PH/2); bool inReach=Math.Sqrt(rdx*rdx+rdy*rdy)<5*TILE; if(mouseDown&&!showInv&&!showCraft&&inReach&&tmx>=0&&tmx=0&&tmy0){ mineProgress+=dt*20*ToolMult(HotbarItem()); if(mineProgress>=mineMax){ SpawnBlockParticles(tmx,tmy); string drop=BD[bt].Drop; if(!string.IsNullOrEmpty(drop)) itemDrops.Add(new ItemDrop{X=tmx*TILE+TILE/2.0,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&&attackCool<=0&&!showInv&&!showCraft){ string tool=HotbarItem(); int dmg=SwordDmg(tool); double atkR=tool.EndsWith("Sword")?TILE*3.5:TILE*2.5; var rng=new Random(); foreach(var e in enemies){ double ex2=e.X+EW/2,ey2=e.Y+EH/2,ddx=mouseWX-ex2,ddy=mouseWY-ey2; if(Math.Sqrt(ddx*ddx+ddy*ddy)px?200:-200);e.VY=-200;attackCool=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,Sz=4}); } } } // Right-click place if(rightDown&&inReach&&!showInv&&!showCraft&&time2-lastPlaceTime>0.25){ lastPlaceTime=time2; if(tmx>=0&&tmx=0&&tmyBLK_DIRT,"Stone"=>BLK_STONE,"Cobblestone"=>BLK_COBBLE, "Sand"=>BLK_SAND,"Gravel"=>BLK_GRAVEL,"Wood"=>BLK_WOOD, "Planks"=>BLK_PLANKS,"Glass"=>BLK_GLASS,"Torch"=>BLK_TORCH, "CraftingTable"=>BLK_CRAFTING,"Furnace"=>BLK_FURNACE,"Chest"=>BLK_CHEST, "Ladder"=>BLK_LADDER,"StoneSlab"=>BLK_STONESLAB,"WoodSlab"=>BLK_WOODSLAB, "Snow"=>BLK_SNOW,"Ice"=>BLK_ICE,"Cactus"=>BLK_CACTUS,"TNT"=>BLK_TNT,_=>-1}; if(place>=0&&RemoveItem(it)){ world[tmx,tmy]=place; RecalcLight(); if(place==BLK_TNT){world[tmx,tmy]=BLK_AIR;Explode(tmx*TILE+TILE/2.0,tmy*TILE+TILE/2.0,TILE*4);} } } if(world[tmx,tmy]==BLK_CRAFTING){showCraft=true;message="Crafting — ArrowUp/Down scroll, Q=craft";msgT=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+PW/2-d.X,dy2=py+PH/2-d.Y,dist2=Math.Sqrt(dx2*dx2+dy2*dy2); if(dist2<32){AddItem(d.Item,d.Count);message=$"+ {d.Item}";msgT=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; p.X+=p.VX*dt; p.Y+=p.VY*dt; p.Life-=dt; if(p.Life<=0) particles.RemoveAt(i); } } // ───────────────────────────────────────────── // DRAWING // ───────────────────────────────────────────── void DrawSky(){ double angle=dayTime*Math.PI*2; double sunFrac=0.5-Math.Sin(angle)*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); double sunPX=Screen.Width/2+Math.Cos(angle)*Screen.Width*0.4, sunPY=sunFrac*Screen.Height*0.7+20; if(isDay){ Canvas.Fill(255,230,100,0.3); Canvas.Circle(sunPX,sunPY,30); Canvas.Fill(255,230,100); Canvas.Circle(sunPX,sunPY,20); } else { Canvas.Fill(220,220,240); Canvas.Circle(sunPX,sunPY,15); // Deterministic stars Canvas.Fill(255,255,255,0.7); double sx2=0.7182,sy2=0.3141; for(int s=0;s<60;s++){ sx2=(sx2*9301+49297)%233280/233280; sy2=(sy2*9301+49297)%233280/233280; Canvas.Circle(sx2*Screen.Width,sy2*Screen.Height*0.65,1.5); } } } void DrawWorld(){ int startX=Math.Max(0,(int)(camX/TILE)-1), endX=Math.Min(WORLD_W-1,startX+(int)(Screen.Width/TILE)+2); int startY=Math.Max(0,(int)(camY/TILE)-1), 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=BD[bt]; double scx=bx*TILE-camX, scy=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(scx,scy,TILE,TILE); Canvas.Fill(bd.DR*lm,bd.DG*lm,bd.DB*lm); Canvas.Rect(scx+TILE*0.6,scy,TILE*0.4,TILE); Canvas.Rect(scx,scy+TILE*0.6,TILE,TILE*0.4); if(bt==BLK_GRASS){Canvas.Fill(100*lm,200*lm,70*lm);Canvas.Rect(scx,scy,TILE,4);} if(bt==BLK_TORCH){ Canvas.Fill(200*lm,160*lm,80*lm);Canvas.Rect(scx+10,scy+4,4,14); Canvas.Fill(255,200,50);Canvas.Circle(scx+12,scy+3,4);} if(bt==BLK_COAL) {Canvas.Fill(40*lm,40*lm,40*lm);Canvas.Circle(scx+8,scy+10,3);Canvas.Circle(scx+16,scy+6,2);} if(bt==BLK_IRON) {Canvas.Fill(200*lm,180*lm,150*lm);Canvas.Circle(scx+6,scy+8,3);Canvas.Circle(scx+16,scy+14,3);} if(bt==BLK_GOLD) {Canvas.Fill(230*lm,180*lm,30*lm);Canvas.Circle(scx+8,scy+10,4);Canvas.Circle(scx+16,scy+6,3);} if(bt==BLK_DIAMOND){Canvas.Fill(80*lm,220*lm,240*lm);Canvas.Circle(scx+8,scy+10,4);Canvas.Circle(scx+16,scy+8,3);} if(bt==BLK_WOOD) {Canvas.Fill(100*lm,75*lm,40*lm);Canvas.Rect(scx+2,scy,4,TILE);Canvas.Rect(scx+TILE-6,scy,4,TILE);} if(bt==BLK_LEAVES) {Canvas.Fill(50*lm,120*lm,45*lm,0.4);Canvas.Circle(scx+6,scy+6,7);Canvas.Circle(scx+17,scy+8,6);Canvas.Circle(scx+10,scy+16,6);} if(bt==BLK_REDFLOWER){ Canvas.Fill(60*lm,180*lm,50*lm);Canvas.Rect(scx+11,scy+6,2,16); Canvas.Fill(220*lm,60*lm,60*lm);Canvas.Circle(scx+12,scy+5,5);} if(bt==BLK_YELLOWFLOWER){ Canvas.Fill(60*lm,180*lm,50*lm);Canvas.Rect(scx+11,scy+6,2,16); Canvas.Fill(230*lm,210*lm,60*lm);Canvas.Circle(scx+12,scy+5,5);} if(bt==BLK_TALLGRASS){ Canvas.Fill(80*lm,165*lm,65*lm); Canvas.Rect(scx+8,scy+4,3,18);Canvas.Rect(scx+13,scy+2,3,20);Canvas.Rect(scx+4,scy+6,3,16);} if(bt==BLK_CRAFTING){Canvas.Fill(120*lm,90*lm,50*lm);Canvas.Rect(scx+2,scy+2,TILE-4,6);Canvas.Rect(scx+2,scy+2,6,TILE-4);} if(bt==BLK_FURNACE) {Canvas.Fill(200*lm,100*lm,40*lm);Canvas.Rect(scx+6,scy+10,12,8,2);} if(bt==BLK_CHEST){ Canvas.Fill(130*lm,95*lm,55*lm);Canvas.Rect(scx+2,scy+6,TILE-4,TILE-8,2); Canvas.Fill(180*lm,140*lm,80*lm);Canvas.Rect(scx+4,scy+8,TILE-8,4,1);} if(bt==BLK_TNT){Canvas.Fill(240,240,240);Canvas.Font("Arial",10,"bold");Canvas.Text("TNT",scx+2,scy+7);} if(bt==BLK_WATER){Canvas.Fill(40,80,200,0.6+Math.Sin(time2*2+bx)*0.1);Canvas.Rect(scx,scy,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(scx,scy,TILE,TILE);} // Mining progress if(bx==mineX&&by==mineY&&mineMax>0){ double pct=mineProgress/mineMax; Canvas.Fill(0,0,0,0.5*pct);Canvas.Rect(scx,scy,TILE,TILE); Canvas.Fill(0,0,0,0.7);Canvas.Rect(scx,scy+TILE-4,TILE,4); Canvas.Fill(255,200,0);Canvas.Rect(scx,scy+TILE-4,TILE*pct,4); } } } void DrawItemIcon(string item,double x,double y,double sz){ double r=160,g=160,b=160; if(item.Contains("Wood")||item=="Planks") {r=180;g=140;b=80;} else if(item.Contains("Stone")||item=="Cobblestone") {r=150;g=150;b=145;} else if(item.Contains("Iron")) {r=200;g=200;b=210;} else if(item.Contains("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;} 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 wx=px-camX, wy=py-camY; double fl=damageFlash>0?1:0; Canvas.Fill(0,0,0,0.2); Canvas.Ellipse(wx+PW/2,wy+PH+2,14,4); // Legs Canvas.Fill(60+fl*150,80,160+fl*50); Canvas.Rect(wx+4,wy+28,8,18); Canvas.Rect(wx+14,wy+28,8,18); // Body Canvas.Fill(100+fl*150,140,80+fl*50); Canvas.Rect(wx+2,wy+14,20,16,2); // Arms double sway=Math.Sin(walkAnim+Math.PI)*8; Canvas.Fill(200+fl*55,170+fl*30,140+fl*30); Canvas.Rect(wx-4,wy+14+(facingRight?sway:-sway),7,14,2); Canvas.Rect(wx+21,wy+14+(facingRight?-sway:sway),7,14,2); // Head Canvas.Fill(200+fl*55,170+fl*30,140+fl*30); Canvas.Rect(wx+2,wy,20,16,3); // Eyes Canvas.Fill(50,80,150); if(facingRight){Canvas.Rect(wx+14,wy+5,4,4,1);Canvas.Rect(wx+10,wy+5,3,4,1);} else {Canvas.Rect(wx+6,wy+5,4,4,1); Canvas.Rect(wx+11,wy+5,3,4,1);} // Hair Canvas.Fill(80,50,30); Canvas.Rect(wx+2,wy,20,4,3); // Held item string held=HotbarItem(); if(!string.IsNullOrEmpty(held)) DrawItemIcon(held,facingRight?wx+28:wx-12,wy+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.Stroke(50,30,50);Canvas.LineWidth(2); 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);} Canvas.NoStroke(); } else { 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.HP/10,4,2); } } void DrawParticles(){ foreach(var p in particles){ double a=p.Life/p.MaxLife; Canvas.Fill(p.R,p.G,p.B,a);Canvas.Circle(p.X-camX,p.Y-camY,p.Sz*a); } } void DrawDrops(){ foreach(var d in itemDrops) DrawItemIcon(d.Item,d.X-camX-6,d.Y-camY+Math.Sin(d.Bob)*3-6,12); } void DrawHUD(){ double sw=Screen.Width, sh=Screen.Height; double hbW=HOTBAR*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($"{inv[i].count}",sx+24,hbY+28);} } Canvas.Fill(180,180,180);Canvas.Font("Arial",9);Canvas.Text($"{i+1}",sx+2,hbY+12); } string held=HotbarItem(); if(!string.IsNullOrEmpty(held)){ Canvas.Font("Arial",13,"bold");double tw=Canvas.MeasureText(held); Canvas.Fill(0,0,0,0.5);Canvas.Rect(sw/2-tw/2-6,hbY-24,tw+12,18,4); Canvas.Fill(255,255,200);Canvas.Text(held,sw/2-tw/2,hbY-10); } // Health for(int i=0;i=0&&hmx=0&&hmy0){ Canvas.Font("Arial",14,"bold");double mw=Canvas.MeasureText(message); double alpha=Math.Min(1.0,msgT); Canvas.Fill(0,0,0,0.6*alpha);Canvas.Rect(sw/2-mw/2-8,sh/2-80,mw+16,22,4); Canvas.Fill(255,255,200,alpha);Canvas.Text(message,sw/2-mw/2,sh/2-64); } Canvas.Fill(200,200,200,0.5);Canvas.Font("Arial",10); Canvas.Text("WASD=Move F=Eat E=Inventory C=Craft Q=Craft 1-9=Slots",8,16); } void DrawInventory(){ double sw=Screen.Width,sh=Screen.Height; double iw=400,ih=340,ix=sw/2-200,iy=sh/2-170; Canvas.Fill(30,30,40,0.95);Canvas.Rect(ix,iy,iw,ih,8); Canvas.Fill(100,150,200);Canvas.Font("Arial",16,"bold");Canvas.Text("Inventory",ix+10,iy+20); for(int row=0;row<4;row++) for(int col=0;col<9;col++){ int idx=row*9+col; double sx=ix+10+col*42,sy=iy+35+row*42; bool sel=idx1){Canvas.Fill(255,255,100);Canvas.Font("Arial",10,"bold");Canvas.Text($"{inv[idx].count}",sx+22,sy+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,cy=sh/2-190; Canvas.Fill(30,30,40,0.96);Canvas.Rect(cx,cy,cw,ch,8); Canvas.Fill(200,160,80);Canvas.Font("Arial",16,"bold");Canvas.Text("Crafting",cx+10,cy+20); for(int i=0;i{ double dt=Math.Min(Screen.DeltaTime,0.05); time2+=dt; dayTime=(dayTime+dt/DAY_LEN)%1.0; if(msgT>0) msgT-=dt; UpdatePhysics(dt); UpdateMining(dt); UpdateEnemies(dt); UpdateItemDrops(dt); UpdateParticles(dt); double tgX=px-Screen.Width/2+PW/2, tgY=py-Screen.Height/2+PH/2; 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(showInv) DrawInventory(); if(showCraft) 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,Transp; public int Hard,Light; public string Drop; } struct MoveResult { public double X,Y,VX,VY; public bool OnGround,HitCeil; } class Enemy { public double X,Y,VX,VY; public int HP=10; public double DmgT=0; public int Facing=1; public string Type="zombie"; } class Particle { public double X,Y,VX,VY,Life,MaxLife,R,G,B,Sz; } class ItemDrop { public double X,Y,Bob; public string Item=""; public int Count=1; } class Recipe { public string Name,Result; public (string Item,int Count)[] Ingredients; public int ResultCount; public Recipe(string name,(string,int)[] ing,string res,int cnt){ Name=name;Ingredients=ing;Result=res;ResultCount=cnt; } }