Merge branch 'master' of github.com:UnknownShadow200/ClassicalSharp

src/Client/Compiler.h

@@ -9,11 +9,14 @@
 // defined with this macro as being exported.
 
 #ifdef CLIENT_EXPORTS
-#define CLIENT_API __declspec(dllexport)
+#define CLIENT_FUNC __declspec(dllexport)
 #else
-#define CLIENT_API __declspec(dllimport)
+#define CLIENT_FUNC __declspec(dllimport)
 #endif
 
+#define EXPORT_FUNC __declspec(dllexport)
+#define IMPORT_FUNC __declspec(dllimport)
+
 /*
 
 #include "Client.h"

src/Client/Funcs.h

@@ -1,6 +1,7 @@
 #ifndef CS_FUNCS_H
 #define CS_FUNCS_H
 
-#define min(x, y) (x) < (y) ? (x) : (y)
-#define max(x, y) (x) > (y) ? (x) : (y)
+#define min(x, y) ((x) < (y) ? (x) : (y))
+#define max(x, y) ((x) > (y) ? (x) : (y))
+#define abs(x) (x >= 0 ? x : -x)
 #endif

src/Client/Noise.c

@@ -7,7 +7,7 @@ void ImprovedNoise_Init(UInt8* p, Random* rnd) {
 	}
 
 	for (Int32 i = 0; i < 256; i++) {
-		Int32 j = Random_NextRange(rnd, i, 256);
+		Int32 j = Random_Range(rnd, i, 256);
 		UInt8 temp = p[i]; p[i] = p[j]; p[j] = temp;
 	}
 
@@ -16,14 +16,14 @@ void ImprovedNoise_Init(UInt8* p, Random* rnd) {
 	}
 }
 
-Real64 ImprovedNoise_Compute(UInt8* p, Real64 x, Real64 y) {
+Real32 ImprovedNoise_Calc(UInt8* p, Real32 x, Real32 y) {
 	Int32 xFloor = x >= 0 ? (Int32)x : (Int32)x - 1;
 	Int32 yFloor = y >= 0 ? (Int32)y : (Int32)y - 1;
 	Int32 X = xFloor & 0xFF, Y = yFloor & 0xFF;
 	x -= xFloor; y -= yFloor;
 
-	Real64 u = x * x * x * (x * (x * 6 - 15) + 10); /* Fade(x) */
-	Real64 v = y * y * y * (y * (y * 6 - 15) + 10); /* Fade(y) */
+	Real32 u = x * x * x * (x * (x * 6 - 15) + 10); /* Fade(x) */
+	Real32 v = y * y * y * (y * (y * 6 - 15) + 10); /* Fade(y) */
 	Int32 A = p[X] + Y, B = p[X + 1] + Y;
 
 	/* Normally, calculating Grad involves a function call. However, we can directly pack this table
@@ -33,16 +33,16 @@ Real64 ImprovedNoise_Compute(UInt8* p, Real64 x, Real64 y) {
 	#define yFlags 0x2222550A
 
 	Int32 hash = (p[p[A]] & 0xF) << 1;
-	Real64 g22 = (((xFlags >> hash) & 3) - 1) * x + (((yFlags >> hash) & 3) - 1) * y; /* Grad(p[p[A], x, y) */
+	Real32 g22 = (((xFlags >> hash) & 3) - 1) * x + (((yFlags >> hash) & 3) - 1) * y; /* Grad(p[p[A], x, y) */
 	hash = (p[p[B]] & 0xF) << 1;
-	Real64 g12 = (((xFlags >> hash) & 3) - 1) * (x - 1) + (((yFlags >> hash) & 3) - 1) * y; /* Grad(p[p[B], x - 1, y) */
-	Real64 c1 = g22 + u * (g12 - g22);
+	Real32 g12 = (((xFlags >> hash) & 3) - 1) * (x - 1) + (((yFlags >> hash) & 3) - 1) * y; /* Grad(p[p[B], x - 1, y) */
+	Real32 c1 = g22 + u * (g12 - g22);
 
 	hash = (p[p[A + 1]] & 0xF) << 1;
-	Real64 g21 = (((xFlags >> hash) & 3) - 1) * x + (((yFlags >> hash) & 3) - 1) * (y - 1); /* Grad(p[p[A + 1], x, y - 1) */
+	Real32 g21 = (((xFlags >> hash) & 3) - 1) * x + (((yFlags >> hash) & 3) - 1) * (y - 1); /* Grad(p[p[A + 1], x, y - 1) */
 	hash = (p[p[B + 1]] & 0xF) << 1;
-	Real64 g11 = (((xFlags >> hash) & 3) - 1) * (x - 1) + (((yFlags >> hash) & 3) - 1) * (y - 1); /* Grad(p[p[B + 1], x - 1, y - 1) */
-	Real64 c2 = g21 + u * (g11 - g21);
+	Real32 g11 = (((xFlags >> hash) & 3) - 1) * (x - 1) + (((yFlags >> hash) & 3) - 1) * (y - 1); /* Grad(p[p[B + 1], x - 1, y - 1) */
+	Real32 c2 = g21 + u * (g11 - g21);
 
 	return c1 + v * (c2 - c1);
 }
@@ -55,12 +55,12 @@ void OctaveNoise_Init(OctaveNoise* n, Random* rnd, Int32 octaves) {
 	}
 }
 
-Real64 OctaveNoise_Compute(OctaveNoise* n, Real64 x, Real64 y) {
-	Real64 amplitude = 1, freq = 1;
-	Real64 sum = 0;
+Real32 OctaveNoise_Calc(OctaveNoise* n, Real32 x, Real32 y) {
+	Real32 amplitude = 1, freq = 1;
+	Real32 sum = 0;
 
 	for (Int32 i = 0; i < n->octaves; i++) {
-		sum += ImprovedNoise_Compute(n->p[i], x * freq, y * freq) * amplitude;
+		sum += ImprovedNoise_Calc(n->p[i], x * freq, y * freq) * amplitude;
 		amplitude *= 2.0;
 		freq *= 0.5;
 	}
@@ -73,7 +73,7 @@ void CombinedNoise_Init(CombinedNoise* n, Random* rnd, Int32 octaves1, Int32 oct
 	OctaveNoise_Init(&n->noise2, rnd, octaves2);
 }
 
-Real64 CombinedNoise_Compute(CombinedNoise* n, Real64 x, Real64 y) {
-	Real64 offset = OctaveNoise_Compute(&n->noise2, x, y);
-	return OctaveNoise_Compute(&n->noise1, x + offset, y);
+Real32 CombinedNoise_Calc(CombinedNoise* n, Real32 x, Real32 y) {
+	Real32 offset = OctaveNoise_Calc(&n->noise2, x, y);
+	return OctaveNoise_Calc(&n->noise1, x + offset, y);
 }

src/Client/Noise.h

@@ -5,7 +5,7 @@
 
 #define NOISE_TABLE_SIZE 512
 void ImprovedNoise_Init(UInt8* p, Random* rnd);
-Real64 ImprovedNoise_Compute(UInt8* p, Real64 x, Real64 y);
+Real32 ImprovedNoise_Calc(UInt8* p, Real32 x, Real32 y);
 
 
 /* since we need structure to be a fixed size */
@@ -15,7 +15,7 @@ typedef struct {
 	Int32 octaves;
 } OctaveNoise;
 void OctaveNoise_Init(OctaveNoise* n, Random* rnd, Int32 octaves);
-Real64 OctaveNoise_Compute(OctaveNoise* n, Real64 x, Real64 y);
+Real32 OctaveNoise_Calc(OctaveNoise* n, Real32 x, Real32 y);
 
 
 typedef struct {
@@ -23,6 +23,6 @@ typedef struct {
 	OctaveNoise noise2;
 } CombinedNoise;
 void CombinedNoise_Init(CombinedNoise* n, Random* rnd, Int32 octaves1, Int32 octaves2);
-Real64 CombinedNoise_Compute(CombinedNoise* n, Real64 x, Real64 y);
+Real32 CombinedNoise_Calc(CombinedNoise* n, Real32 x, Real32 y);
 
 #endif

src/Client/NotchyGenerator.c

@@ -15,7 +15,7 @@ Real32 CurrentProgress;
 
 /* Internal variables */
 Int32 Width, Height, Length;
-Int32 waterLevel, oneY, minHeight;
+Int32 waterLevel, oneY, volume, minHeight;
 BlockID* Blocks;
 Int16* Heightmap;
 Random rnd;
@@ -26,6 +26,7 @@ void NotchyGen_Init(Int32 width, Int32 height, Int32 length,
 	Blocks = blocks; Heightmap = heightmap;
 
 	oneY = Width * Length;
+	volume = Width * Length * Height;
 	waterLevel = Height / 2;
 	Random_Init(&rnd, seed);
 	minHeight = Height;
@@ -47,10 +48,10 @@ void NotchyGen_CreateHeightmap() {
 	for (Int32 z = 0; z < Length; z++) {
 		CurrentProgress = (Real32)z / Length;
 		for (Int32 x = 0; x < Width; x++) {
-			Real64 hLow = CombinedNoise_Compute(&n1, x * 1.3f, z * 1.3f) / 6 - 4, height = hLow;
+			Real32 hLow = CombinedNoise_Calc(&n1, x * 1.3f, z * 1.3f) / 6 - 4, height = hLow;
 
-			if (OctaveNoise_Compute(&n3, x, z) <= 0) {
-				Real64 hHigh = CombinedNoise_Compute(&n2, x * 1.3f, z * 1.3f) / 5 + 6;
+			if (OctaveNoise_Calc(&n3, x, z) <= 0) {
+				Real32 hHigh = CombinedNoise_Calc(&n2, x * 1.3f, z * 1.3f) / 5 + 6;
 				height = max(hLow, hHigh);
 			}
 
@@ -75,7 +76,7 @@ void NotchyGen_CreateStrata() {
 	for (Int32 z = 0; z < Length; z++) {
 		CurrentProgress = (Real32)z / Length;
 		for (Int32 x = 0; x < Width; x++) {
-			Int32 dirtThickness = (Int32)(OctaveNoise_Compute(&n, x, z) / 24 - 4);
+			Int32 dirtThickness = (Int32)(OctaveNoise_Calc(&n, x, z) / 24 - 4);
 			Int32 dirtHeight = Heightmap[hMapIndex++];
 			Int32 stoneHeight = dirtHeight + dirtThickness;
 
@@ -100,7 +101,7 @@ Int32 NotchyGen_CreateStrataFast() {
 	/* Make lava layer at bottom */
 	Int32 mapIndex = 0;
 	for (Int32 z = 0; z < Length; z++)
-		for (int x = 0; x < Width; x++)
+		for (Int32 x = 0; x < Width; x++)
 		{
 			Blocks[mapIndex++] = Block_Lava;
 		}
@@ -117,4 +118,188 @@ Int32 NotchyGen_CreateStrataFast() {
 				Blocks[mapIndex++] = Block_Stone;
 			}
 	return stoneHeight;
+}
+
+void NotchyGen_CreateSurfaceLayer() {
+	OctaveNoise n1, n2;
+	OctaveNoise_Init(&n1, &rnd, 8);
+	OctaveNoise_Init(&n2, &rnd, 8);
+	//CurrentState = "Creating surface";
+	/* TODO: update heightmap */
+
+	Int32 hMapIndex = 0;
+	for (Int32 z = 0; z < Length; z++) {
+		CurrentProgress = (Real32)z / Length;
+		for (Int32 x = 0; x < Width; x++) {
+			Int32 y = Heightmap[hMapIndex++];
+			if (y < 0 || y >= Height) continue;
+
+			Int32 index = (y * Length + z) * Width + x;
+			BlockID blockAbove = y >= (Height - 1) ? Block_Air : Blocks[index + oneY];
+			if (blockAbove == Block_Water && (OctaveNoise_Calc(&n2, x, z) > 12)) {
+				Blocks[index] = Block_Gravel;
+			} else if (blockAbove == Block_Air) {
+				Blocks[index] = (y <= waterLevel && (OctaveNoise_Calc(&n1, x, z) > 8)) ? Block_Sand : Block_Grass;
+			}
+		}
+	}
+}
+
+void NotchyGen_PlantFlowers() {
+	Int32 numPatches = Width * Length / 3000;
+	//CurrentState = "Planting flowers";
+
+	for (Int32 i = 0; i < numPatches; i++) {
+		CurrentProgress = (Real32)i / numPatches;
+		BlockID type = (BlockID)(Block_Dandelion + Random_Next(&rnd, 2));
+		Int32 patchX = Random_Next(&rnd, Width), patchZ = Random_Next(&rnd, Length);
+		for (Int32 j = 0; j < 10; j++) {
+			Int32 flowerX = patchX, flowerZ = patchZ;
+			for (Int32 k = 0; k < 5; k++) {
+				flowerX += Random_Next(&rnd, 6) - Random_Next(&rnd, 6);
+				flowerZ += Random_Next(&rnd, 6) - Random_Next(&rnd, 6);
+				if (flowerX < 0 || flowerZ < 0 || flowerX >= Width || flowerZ >= Length)
+					continue;
+
+				Int32 flowerY = Heightmap[flowerZ * Width + flowerX] + 1;
+				if (flowerY <= 0 || flowerY >= Height) continue;
+
+				Int32 index = (flowerY * Length + flowerZ) * Width + flowerX;
+				if (Blocks[index] == Block_Air && Blocks[index - oneY] == Block_Grass)
+					Blocks[index] = type;
+			}
+		}
+	}
+}
+
+void NotchyGen_PlantMushrooms() {
+	Int32 numPatches = volume / 2000;
+	//CurrentState = "Planting mushrooms";
+
+	for (Int32 i = 0; i < numPatches; i++) {
+		CurrentProgress = (Real32)i / numPatches;
+		BlockID type = (BlockID)(Block_BrownMushroom + Random_Next(&rnd, 2));
+		Int32 patchX = Random_Next(&rnd, Width);
+		Int32 patchY = Random_Next(&rnd, Height);
+		Int32 patchZ = Random_Next(&rnd, Length);
+
+		for (Int32 j = 0; j < 20; j++) {
+			Int32 mushX = patchX, mushY = patchY, mushZ = patchZ;
+			for (Int32 k = 0; k < 5; k++) {
+				mushX += Random_Next(&rnd, 6) - Random_Next(&rnd, 6);
+				mushZ += Random_Next(&rnd, 6) - Random_Next(&rnd, 6);
+				if (mushX < 0 || mushZ < 0 || mushX >= Width || mushZ >= Length)
+					continue;
+
+				Int32 solidHeight = Heightmap[mushZ * Width + mushX];
+				if (mushY >= (solidHeight - 1))
+					continue;
+
+				Int32 index = (mushY * Length + mushZ) * Width + mushX;
+				if (Blocks[index] == Block_Air && Blocks[index - oneY] == Block_Stone)
+					Blocks[index] = type;
+			}
+		}
+	}
+}
+
+void NotchyGen_PlantTrees() {
+	Int32 numPatches = Width * Length / 4000;
+	//CurrentState = "Planting trees";
+
+	for (Int32 i = 0; i < numPatches; i++) {
+		CurrentProgress = (Real32)i / numPatches;
+		Int32 patchX = Random_Next(&rnd, Width), patchZ = Random_Next(&rnd, Length);
+
+		for (Int32 j = 0; j < 20; j++) {
+			Int32 treeX = patchX, treeZ = patchZ;
+			for (Int32 k = 0; k < 20; k++) {
+				treeX += Random_Next(&rnd, 6) - Random_Next(&rnd, 6);
+				treeZ += Random_Next(&rnd, 6) - Random_Next(&rnd, 6);
+				if (treeX < 0 || treeZ < 0 || treeX >= Width ||
+					treeZ >= Length || Random_Float(&rnd) >= 0.25)
+					continue;
+
+				Int32 treeY = Heightmap[treeZ * Width + treeX] + 1;
+				Int32 treeHeight = 5 + Random_Next(&rnd, 3);
+
+				Int32 index = (treeY * Length + treeZ) * Width + treeX;
+				BlockID blockUnder = treeY > 0 ? Blocks[index - oneY] : Block_Air;
+
+				if (blockUnder == Block_Grass && NotchyGen_CanGrowTree(treeX, treeY, treeZ, treeHeight)) {
+					NotchyGen_GrowTree(treeX, treeY, treeZ, treeHeight);
+				}
+			}
+		}
+	}
+}
+
+bool NotchyGen_CanGrowTree(Int32 treeX, Int32 treeY, Int32 treeZ, Int32 treeHeight) {
+	// check tree base
+	Int32 baseHeight = treeHeight - 4;
+	for (Int32 y = treeY; y < treeY + baseHeight; y++)
+		for (Int32 z = treeZ - 1; z <= treeZ + 1; z++)
+			for (Int32 x = treeX - 1; x <= treeX + 1; x++)
+			{
+				if (x < 0 || y < 0 || z < 0 || x >= Width || y >= Height || z >= Length)
+					return false;
+				Int32 index = (y * Length + z) * Width + x;
+				if (Blocks[index] != 0) return false;
+			}
+
+	// and also check canopy
+	for (Int32 y = treeY + baseHeight; y < treeY + treeHeight; y++)
+		for (Int32 z = treeZ - 2; z <= treeZ + 2; z++)
+			for (Int32 x = treeX - 2; x <= treeX + 2; x++)
+			{
+				if (x < 0 || y < 0 || z < 0 || x >= Width || y >= Height || z >= Length)
+					return false;
+				Int32  index = (y * Length + z) * Width + x;
+				if (Blocks[index] != 0) return false;
+			}
+	return true;
+}
+
+void Notchy_GenTree(Int32 treeX, Int32 treeY, Int32 treeZ, Int32 height) {
+	Int32 baseHeight = height - 4;
+	Int32 index = 0;
+
+	// leaves bottom layer
+	for (Int32 y = treeY + baseHeight; y < treeY + baseHeight + 2; y++)
+		for (Int32 zz = -2; zz <= 2; zz++)
+			for (Int32 xx = -2; xx <= 2; xx++)
+			{
+				Int32 x = xx + treeX, z = zz + treeZ;
+				index = (y * Length + z) * Width + x;
+
+				if (abs(xx) == 2 && abs(zz) == 2) {
+					if (Random_Float(&rnd) >= 0.5f)
+						Blocks[index] = Block_Leaves;
+				} else {
+					Blocks[index] = Block_Leaves;
+				}
+			}
+
+	// leaves top layer
+	Int32 bottomY = treeY + baseHeight + 2;
+	for (Int32 y = treeY + baseHeight + 2; y < treeY + height; y++)
+		for (Int32 zz = -1; zz <= 1; zz++)
+			for (Int32 xx = -1; xx <= 1; xx++)
+			{
+				Int32 x = xx + treeX, z = zz + treeZ;
+				index = (y * Length + z) * Width + x;
+
+				if (xx == 0 || zz == 0) {
+					Blocks[index] = Block_Leaves;
+				} else if (y == bottomY && Random_Float(&rnd) >= 0.5f) {
+					Blocks[index] = Block_Leaves;
+				}
+			}
+
+	// then place trunk
+	index = (treeY * Length + treeZ) * Width + treeX;
+	for (Int32 y = 0; y < height - 1; y++) {
+		Blocks[index] = Block_Log;
+		index += oneY;
+	}
 }

src/Client/NotchyGenerator.h

@@ -3,10 +3,16 @@
 #include "Compiler.h"
 #include "Typedefs.h"
 
-CLIENT_API void NotchyGen_Init(Int32 width, Int32 height, Int32 length,
+CLIENT_FUNC void NotchyGen_Init(Int32 width, Int32 height, Int32 length,
 								Int32 seed, BlockID* blocks, Int16* heightmap);
 
-CLIENT_API void NotchyGen_CreateHeightmap();
-CLIENT_API void NotchyGen_CreateStrata();
+CLIENT_FUNC void NotchyGen_CreateHeightmap();
+CLIENT_FUNC void NotchyGen_CreateStrata();
 Int32 NotchyGen_CreateStrataFast();
+CLIENT_FUNC void NotchyGen_CreateSurfaceLayer();
+CLIENT_FUNC void NotchyGen_PlantFlowers();
+CLIENT_FUNC void NotchyGen_PlantMushrooms();
+CLIENT_FUNC void NotchyGen_PlantTrees();
+bool NotchyGen_CanGrowTree(Int32 treeX, Int32 treeY, Int32 treeZ, Int32 treeHeight);
+void Notchy_GenTree(Int32 treeX, Int32 treeY, Int32 treeZ, Int32 height);
 #endif

src/Client/Random.c

@@ -9,7 +9,7 @@ void Random_Init(Random* seed, Int32 seedInit) {
 	*seed = (seedInit ^ value) & mask;
 }
 
-Int32 Random_NextRange(Random* seed, Int32 min, Int32 max) {
+Int32 Random_Range(Random* seed, Int32 min, Int32 max) {
 	return min + Random_Next(seed, max - min);
 }
 
@@ -29,7 +29,7 @@ Int32 Random_Next(Random* seed, Int32 n) {
 	return val;
 }
 
-Real32 Random_NextFloat(Random* seed) {
+Real32 Random_Float(Random* seed) {
 	*seed = (*seed * value + 0xBLL) & mask;
 	Int32 raw = (Int32)((UInt64)*seed >> (48 - 24));
 	return raw / ((Real32)(1 << 24));

src/Client/Random.h

@@ -6,7 +6,7 @@
 typedef Int64 Random;
 
 void Random_Init(Random* rnd, Int32 seed);
-Int32 Random_NextRange(Random* rnd, Int32 min, Int32 max);
+Int32 Random_Range(Random* rnd, Int32 min, Int32 max);
 Int32 Random_Next(Random* rnd, Int32 n);
-Real32 Random_NextFloat(Random* rnd);
+Real32 Random_Float(Random* rnd);
 #endif

src/Client/Typedefs.h

@@ -15,6 +15,9 @@ typedef signed __int64 Int64;
 typedef float  Real32;
 typedef double Real64;
 
+typedef UInt8 bool;
+#define true 1
+#define false 0
 
 typedef UInt8 BlockID;
 typedef UInt8 EntityID;