1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
|
package makamys.neodymium.renderer;
import java.nio.FloatBuffer;
import java.util.Arrays;
import java.util.List;
import org.lwjgl.BufferUtils;
import makamys.neodymium.Config;
import makamys.neodymium.util.MCUtil;
import net.minecraft.block.Block;
import net.minecraft.block.BlockGrass;
import net.minecraft.block.BlockLeaves;
import net.minecraft.block.material.Material;
import net.minecraft.client.Minecraft;
import net.minecraft.init.Blocks;
import net.minecraft.util.IIcon;
import net.minecraft.world.biome.BiomeGenBase;
import net.minecraft.world.chunk.Chunk;
public class SimpleChunkMesh extends Mesh {
private FloatBuffer vertices;
public static int usedRAM;
public static int instances;
public static int divisions = 4;
private static boolean isSolid(Block block) {
return block.isBlockNormalCube() && block.isOpaqueCube() && block.renderAsNormalBlock();
}
private static boolean isBad(Block block) {
for(Class clazz : Config.blockClassBlacklist) {
if(clazz.isInstance(block)) {
return true;
}
}
return false;
}
public static List<SimpleChunkMesh> generateSimpleMeshes(Chunk target){
SimpleChunkMesh pass1 = new SimpleChunkMesh(target.xPosition, target.zPosition, divisions * divisions * 25, 0);
SimpleChunkMesh pass2 = new SimpleChunkMesh(target.xPosition, target.zPosition, divisions * divisions * 25, 1);
SimpleChunkMeshBuilder builder = new SimpleChunkMeshBuilder();
for(int divX = 0; divX < divisions; divX++) {
for(int divZ = 0; divZ < divisions; divZ++) {
IIcon icon = null;
int color = 0xFFFFFFFF;
int size = 16 / divisions;
int y = 255;
boolean foundWater = false;
int xOff = divX * size;
int zOff = divZ * size;
int biomeId = target.getBiomeArray()[xOff << 4 | zOff] & 255;
if(biomeId == 255) {
System.out.println("Missing biome data for chunk " + target.xPosition + ", " + target.zPosition);
}
BiomeGenBase biome = BiomeGenBase.getBiome(biomeId) == null ? BiomeGenBase.plains : BiomeGenBase.getBiome(biomeId);
for(y = 255; y > 0; y--) {
Block block = target.getBlock(xOff, y, zOff);
int worldX = target.xPosition * 16 + divX * size;
int worldY = y;
int worldZ = target.zPosition * 16 + divZ * size;
if(!foundWater && block.getMaterial() == Material.water) {
foundWater = true;
int meta = target.getBlockMetadata(xOff, y, zOff);
IIcon waterIcon = block.getIcon(1, meta);
int waterColor = biome.getWaterColorMultiplier();
waterColor |= 0xFF000000;
pass2.addFaceYPos(worldX, worldY, worldZ, size, size, waterIcon, waterColor, 1);
}
if(isSolid(block) && isBad(block)) {
for(int dx = -1; dx <= 1; dx++) {
for(int dz = -1; dz <= 1; dz++) {
int newX = xOff + dx;
int newZ = zOff + dz;
if(newX >= 0 && newX < 16 && newZ >= 0 && newZ < 16) {
Block newBlock = target.getBlock(newX, y, newZ);
if(!isBad(newBlock)) {
xOff += dx;
zOff += dz;
worldX += dx;
worldZ += dz;
block = newBlock;
}
}
}
}
}
if(isSolid(block)) {
float brightnessMult = foundWater ? 0.2f : 1f;
int meta = target.getBlockMetadata(xOff, y, zOff);
icon = block.getIcon(1, meta);
if(block instanceof BlockGrass) {
color = biome.getBiomeGrassColor(worldX, y, worldZ);
} else if(block instanceof BlockLeaves) {
color = biome.getBiomeFoliageColor(worldX, y, worldZ);
} else {
color = block.colorMultiplier(Minecraft.getMinecraft().theWorld, worldX, y, worldZ);
}
color = (0xFF << 24) | ((color >> 16 & 0xFF) << 0) | ((color >> 8 & 0xFF) << 8) | ((color >> 0 & 0xFF) << 16);
if((Config.forceVanillaBiomeTemperature ? MCUtil.getBiomeTemperatureVanilla(biome, worldX, y, worldZ)
: biome.getFloatTemperature(worldX, y, worldZ)) < 0.15f) {
builder.addCube(divX, divZ, worldY + 0.2f, 1f, Blocks.snow_layer.getIcon(1, 0), 0xFFFFFFFF, brightnessMult);
builder.addCube(divX, divZ, worldY - 0.8f, -1, icon, color, brightnessMult);
} else {
builder.addCube(divX, divZ, worldY, -1, icon, color, brightnessMult);
}
break;
}
}
}
}
builder.render(pass1, target.xPosition, target.zPosition);
pass1.finish();
pass2.finish();
return Arrays.asList(new SimpleChunkMesh[] {pass1.quadCount != 0 ? pass1 : null, pass2.quadCount != 0 ? pass2 : null});
}
private static class SimpleChunkMeshBuilder {
int maxIconsPerColumn = 2;
float[][][] heights = new float[divisions][divisions][maxIconsPerColumn];
float[][][] depths = new float[divisions][divisions][maxIconsPerColumn];
IIcon[][][] icons = new IIcon[divisions][divisions][maxIconsPerColumn];
int[][][] colors = new int[divisions][divisions][maxIconsPerColumn];
float[][][] brightnessMults = new float[divisions][divisions][maxIconsPerColumn];
public void addCube(int x, int z, float height, float depth, IIcon icon, int color, float brightnessMult) {
IIcon[] iconz = icons[x][z];
int i = iconz[0] == null ? 0 : 1;
if(iconz[0] != null && iconz[1] != null) {
throw new IllegalStateException("Too many icons in column");
}
heights[x][z][i] = height;
depths[x][z][i] = depth;
icons[x][z][i] = icon;
colors[x][z][i] = color;
brightnessMults[x][z][i] = brightnessMult;
}
public void render(SimpleChunkMesh mesh, int chunkX, int chunkZ) {
float size = 16 / divisions;
for(int x = 0; x < divisions; x++) {
for(int z = 0; z < divisions; z++) {
float worldX = chunkX * 16 + x * size;
float worldZ = chunkZ * 16 + z * size;
for(int i = 0; i < maxIconsPerColumn; i++) {
IIcon icon = icons[x][z][i];
if(icon != null) {
float height = heights[x][z][i];
float depthValue = depths[x][z][i];
float depth = depthValue == -1 ? height : depthValue;
int color = colors[x][z][i];
float brightnessMult = brightnessMults[x][z][i];
if(i == 0) {
mesh.addFaceYPos(worldX, height, worldZ, size, size, icon, color, brightnessMult);
}
float heightX0 = x > 0 ? heights[x - 1][z][0] : 0;
if(heightX0 < height) {
mesh.addFaceX2(worldX, height, worldZ, Math.min(depth, height - heightX0), size, icon, color, brightnessMult);
}
float heightX1 = x < divisions - 1 ? heights[x + 1][z][0] : 0;
if(heightX1 < height) {
mesh.addFaceX1(worldX + size, height, worldZ, Math.min(depth, height - heightX1), size, icon, color, brightnessMult);
}
float heightZ0 = z > 0 ? heights[x][z - 1][0] : 0;
if(heightZ0 < height) {
mesh.addFaceZ1(worldX, height, worldZ, size, Math.min(depth, height - heightZ0), icon, color, brightnessMult);
}
float heightZ1 = z < divisions - 1 ? heights[x][z + 1][0] : 0;
if(heightZ1 < height) {
mesh.addFaceZ2(worldX, height, worldZ + size, size, Math.min(depth, height - heightZ1), icon, color, brightnessMult);
}
}
}
}
}
}
}
public SimpleChunkMesh(int x, int z, int maxQuads, int pass) {
this.x = x;
this.y = 64;
this.z = z;
this.pass = pass;
buffer = BufferUtils.createByteBuffer(4 * 6 * 7 * maxQuads);
vertices = buffer.asFloatBuffer();
}
public void finish() {
vertices.flip();
buffer.limit(vertices.limit() * 4);
// may want to shrink the buffers to actual size to not waste memory
usedRAM += buffer.limit();
instances++;
}
private void addCube(float x, float y, float z, float sizeX, float sizeZ, float sizeY, IIcon icon, int color, float brightnessMult) {
addFaceYPos(x, y, z, sizeX, sizeZ, icon, color, brightnessMult);
addFaceZ1(x, y, z, sizeX, sizeY, icon, color, brightnessMult);
addFaceZ2(x, y, z + sizeZ, sizeX, sizeY, icon, color, brightnessMult);
addFaceX1(x + sizeX, y, z, sizeX, sizeY, icon, color, brightnessMult);
addFaceX2(x, y, z, sizeX, sizeY, icon, color, brightnessMult);
}
private void addFaceZ1(float x, float y, float z, float sizeX, float sizeY, IIcon icon, int color, float brightnessMult) {
addFace(
x + 0, y - sizeY, z + 0,
x + 0, y + 0, z + 0,
x + sizeX, y + 0, z + 0,
x + sizeX, y - sizeY, z + 0,
icon, color, (int)(200 * brightnessMult)
);
}
private void addFaceZ2(float x, float y, float z, float sizeX, float sizeY, IIcon icon, int color, float brightnessMult) {
addFace(
x + sizeX, y - sizeY, z,
x + sizeX, y + 0, z,
x + 0, y + 0, z,
x + 0, y - sizeY, z,
icon, color, (int)(200 * brightnessMult)
);
}
private void addFaceX1(float x, float y, float z, float sizeY, float sizeZ, IIcon icon, int color, float brightnessMult) {
addFace(
x, y - sizeY, z + 0,
x, y + 0, z + 0,
x, y + 0, z + sizeZ,
x, y - sizeY, z + sizeZ,
icon, color, (int)(160 * brightnessMult)
);
}
private void addFaceX2(float x, float y, float z, float sizeY, float sizeZ, IIcon icon, int color, float brightnessMult) {
addFace(
x + 0, y - sizeY, z + sizeZ,
x + 0, y + 0, z + sizeZ,
x + 0, y + 0, z + 0,
x + 0, y - sizeY, z + 0,
icon, color, (int)(160 * brightnessMult)
);
}
private void addFaceYPos(float x, float y, float z, float sizeX, float sizeZ, IIcon icon, int color, float brightnessMult) {
addFace(
x + 0, y + 0, z + 0,
x + 0, y + 0, z + sizeZ,
x + sizeX, y + 0, z + sizeZ,
x + sizeX, y + 0, z + 0,
icon, color, (int)(240 * brightnessMult)
);
}
private void addFace(float p1x, float p1y, float p1z,
float p2x, float p2y, float p2z,
float p3x, float p3y, float p3z,
float p4x, float p4y, float p4z,
IIcon icon, int color, int brightness) {
int off = vertices.position() * 4;
vertices.put(new float[] {
p1x, p1y, p1z, icon.getMinU(), icon.getMaxV(), 0, 0,
p2x, p2y, p2z, icon.getMinU(), icon.getMinV(), 0, 0,
p4x, p4y, p4z, icon.getMaxU(), icon.getMaxV(), 0, 0,
p2x, p2y, p2z, icon.getMinU(), icon.getMinV(), 0, 0,
p3x, p3y, p3z, icon.getMaxU(), icon.getMinV(), 0, 0,
p4x, p4y, p4z, icon.getMaxU(), icon.getMaxV(), 0, 0
});
buffer.putInt(off + 0 * getStride() + 6 * 4, color);
buffer.putShort(off + 0 * getStride() + 5 * 4 + 2, (short)brightness);
buffer.putInt(off + 1 * getStride() + 6 * 4, color);
buffer.putShort(off + 1 * getStride() + 5 * 4 + 2, (short)brightness);
buffer.putInt(off + 2 * getStride() + 6 * 4, color);
buffer.putShort(off + 2 * getStride() + 5 * 4 + 2, (short)brightness);
buffer.putInt(off + 3 * getStride() + 6 * 4, color);
buffer.putShort(off + 3 * getStride() + 5 * 4 + 2, (short)brightness);
buffer.putInt(off + 4 * getStride() + 6 * 4, color);
buffer.putShort(off + 4 * getStride() + 5 * 4 + 2, (short)brightness);
buffer.putInt(off + 5 * getStride() + 6 * 4, color);
buffer.putShort(off + 5 * getStride() + 5 * 4 + 2, (short)brightness);
quadCount++;
}
public int getStride() {
return (3 * 4 + 8 + 4 + 4);
}
public void destroy() {
usedRAM -= buffer.limit();
instances--;
}
public static void prepareFarChunkOnServer(Chunk chunk) {
for(int divX = 0; divX < divisions; divX++) {
for(int divZ = 0; divZ < divisions; divZ++) {
int size = 16 / divisions;
int xOff = divX * size;
int zOff = divZ * size;
chunk.getBiomeGenForWorldCoords(xOff, zOff, chunk.worldObj.getWorldChunkManager());
}
}
}
}
|
