First pass chunk loading.
This commit is contained in:
24
data/CMakeLists.txt
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24
data/CMakeLists.txt
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# Copyright (c) 2025 Dominic Masters
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#
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# This software is released under the MIT License.
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# https://opensource.org/licenses/MIT
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find_package(Python3 COMPONENTS Interpreter REQUIRED)
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# Custom command to generate all header files
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add_custom_command(
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OUTPUT ${DUSK_GENERATED_HEADERS_DIR}/world/world.h
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COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/chunks.py --output ${DUSK_GENERATED_HEADERS_DIR}
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DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/chunks.py
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COMMENT "Generating chunk header files"
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VERBATIM
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)
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# Custom target to generate headers before build
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add_custom_target(DUSK_CHUNKS
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DEPENDS
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${DUSK_GENERATED_HEADERS_DIR}/world/world.h
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)
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# Ensure headers are generated before compiling main
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add_dependencies(${DUSK_TARGET_NAME} DUSK_CHUNKS)
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166
data/chunks.py
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166
data/chunks.py
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#!/usr/bin/python3
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import os
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import argparse
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from datetime import datetime
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import json
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# Constants that are defined in the C code
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CHUNK_WIDTH = 8
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CHUNK_HEIGHT = 8
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# Check if the script is run with the correct arguments
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parser = argparse.ArgumentParser(description="Generate chunk header files")
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parser.add_argument('--output', required=True, help='Dir to output headers')
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args = parser.parse_args()
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# Ensure outdir exists
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outputDir = args.output
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os.makedirs(outputDir, exist_ok=True)
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# Create world directory if it does not exist
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worldDir = os.path.join(outputDir, "world")
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os.makedirs(worldDir, exist_ok=True)
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# Create chunks directory if it does not exist
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chunksDir = os.path.join(worldDir, "chunk")
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os.makedirs(chunksDir, exist_ok=True)
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# Scan ./chunks folder
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chunks_dir = os.path.join(os.path.dirname(__file__), "chunks")
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if not os.path.exists(chunks_dir):
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print(f"Error: Chunks directory '{chunks_dir}' does not exist.")
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exit(1)
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# Some vars used during printing
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now = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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# Data sent to the world header file
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worldWidth = 0
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worldHeight = 0
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chunksDone = []
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# For each chunk file
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for chunkFile in os.listdir(chunks_dir):
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data = json.load(open(os.path.join(chunks_dir, chunkFile)))
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print(f"Processing chunk: {chunkFile}")
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if not 'chunk' in data:
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print(f"Error: Chunk file '{chunkFile}' does not contain 'chunk' key.")
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exit(1)
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if not 'position' in data['chunk']:
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print(f"Error: Chunk file '{chunkFile}' does not contain 'position' key.")
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exit(1)
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# Position must be array of two integers
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position = data['chunk']['position']
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if not isinstance(position, list) or len(position) != 2:
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print(f"Error: Chunk file '{chunkFile}' has invalid 'position' format.")
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exit(1)
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if not all(isinstance(x, int) for x in position):
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print(f"Error: Chunk file '{chunkFile}' invalid 'position' values.")
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exit(1)
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x, y = position
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# Make sure that the filename "chunk_{x}_{y}.json" matches the position
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expectedFilename = f"chunk_{x}_{y}.json"
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if chunkFile != expectedFilename:
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print(f"Error: Chunk file '{chunkFile}' should be '{expectedFilename}'.")
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exit(1)
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# Chunk should not be already processed
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if (x, y) in chunksDone:
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print(f"Error: Chunk at position ({x}, {y}) is already processed. Skipping.")
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exit(1)
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chunksDone.append((x, y))
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worldWidth = max(worldWidth, x + 1)
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worldHeight = max(worldHeight, y + 1)
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# Read in base layer data
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if 'baseLayer' not in data['chunk']:
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print(f"Error: Chunk file '{chunkFile}' does not contain 'baseLayer' key.")
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exit(1)
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baseLayer = data['chunk']['baseLayer']
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# Base layer should exactly CHUNK_WIDTH * CHUNK_HEIGHT elements
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if len(baseLayer) != CHUNK_HEIGHT:
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print(f"Error: Chunk file '{chunkFile}' has invalid 'baseLayer' length.")
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exit(1)
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for row in baseLayer:
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if len(row) != CHUNK_WIDTH:
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print(f"Error: Chunk file '{chunkFile}' has invalid 'baseLayer' row length.")
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exit(1)
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# Read in overlay layer data
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if 'overlayLayer' not in data['chunk']:
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print(f"Error: Chunk file '{chunkFile}' does not contain 'overlayLayer' key.")
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exit(1)
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overlayLayer = data['chunk']['overlayLayer']
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# Overlay layer should exactly CHUNK_WIDTH * CHUNK_HEIGHT elements
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if len(overlayLayer) != CHUNK_HEIGHT:
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print(f"Error: Chunk file '{chunkFile}' has invalid 'overlayLayer' length.")
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exit(1)
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for row in overlayLayer:
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if len(row) != CHUNK_WIDTH:
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print(f"Error: Chunk file '{chunkFile}' has invalid 'overlayLayer' row length.")
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exit(1)
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# Now we generate a chunk header file
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chunk_header_path = os.path.join(chunksDir, f"chunk_{x}_{y}.h")
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with open(chunk_header_path, 'w') as f:
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f.write(f"// Generated chunk header for chunk at position ({x}, {y})\n")
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f.write(f"// Generated at {now}\n")
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f.write("#pragma once\n")
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f.write("#include \"dusk.h\"\n\n")
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f.write(f"static const uint8_t CHUNK_{x}_{y}_LAYER_BASE[] = {{\n")
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for row in baseLayer:
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f.write(" ")
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for column in row:
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f.write(f"0x{column:02x}, ")
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f.write("\n")
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f.write("};\n\n")
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f.write(f"static const uint8_t CHUNK_{x}_{y}_LAYER_OVERLAY[] = {{\n")
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for row in overlayLayer:
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f.write(" ")
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for column in row:
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f.write(f"0x{column:02x}, ")
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f.write("\n")
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f.write("};\n\n")
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pass
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# Output header file.
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header_path = os.path.join(worldDir, "world.h")
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with open(header_path, 'w') as f:
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f.write(f"// Generated chunks file. Generated at {now}\n\n")
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f.write("#pragma once\n")
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f.write("#include \"dusk.h\"\n")
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# Now, for each chunk, include its header file
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for (x, y) in chunksDone:
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chunk_header = f"world/chunk/chunk_{x}_{y}.h"
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f.write(f"#include \"{chunk_header}\"\n")
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f.write("\n")
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f.write(f"#define WORLD_WIDTH {worldWidth}\n")
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f.write(f"#define WORLD_HEIGHT {worldHeight}\n\n")
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f.write(f"static const uint8_t* WORLD_CHUNKS_BASE[] = {{\n")
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for i in range(worldHeight):
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f.write(" ")
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for j in range(worldWidth):
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if (j, i) in chunksDone:
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f.write(f"CHUNK_{j}_{i}_LAYER_BASE, ")
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else:
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f.write("NULL, ")
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f.write("\n")
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f.write("};\n\n")
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print(f"chunks.h generated at: {header_path}")
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@ -1,45 +0,0 @@
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{
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"chunk": {
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"position": [ 0, 0 ],
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"baseLayer": [
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
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],
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"overlayLayer": [
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
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[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
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],
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"entities": [
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],
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"triggers": [
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]
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}
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}
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29
data/chunks/chunk_1_1.json
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29
data/chunks/chunk_1_1.json
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{
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"chunk": {
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"position": [ 1, 1 ],
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"baseLayer": [
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ]
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],
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"overlayLayer": [
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ]
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],
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"entities": [
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],
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"triggers": [
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]
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}
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}
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29
data/chunks/chunk_2_1.json
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29
data/chunks/chunk_2_1.json
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{
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"chunk": {
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"position": [ 2, 1 ],
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"baseLayer": [
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ]
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],
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"overlayLayer": [
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ],
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[ 1, 1, 1, 1, 1, 1, 1, 1 ]
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],
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"entities": [
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],
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"triggers": [
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]
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}
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}
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