Add language compile tool

data/languages/en.json

@@ -0,0 +1,8 @@
+{
+  "meta": {
+    "language": {
+      "name": "English",
+      "code": "en"
+    }
+  }
+}

src/duskraylib/display/draw/drawui.c

@@ -88,9 +88,11 @@ void drawUIText(
   assertNotNull(text, "Text to draw cannot be NULL");
   if(length == 0) return;
 
+  BeginBlendMode(BLEND_ALPHA);
   for(uint16_t i = 0; i < length; i++) {
     drawUIChar(text[i], x + (i * FONT_TILE_WIDTH), y, color);
   }
+  EndBlendMode();
 }
 
 void drawUIChar(

tools/CMakeLists.txt

@@ -7,3 +7,4 @@
 add_subdirectory(mapcompile)
 add_subdirectory(tilecompile)
 add_subdirectory(fontcompile)
+add_subdirectory(languagecompile)

tools/languagecompile/CMakeLists.txt

@@ -0,0 +1,20 @@
+# Copyright (c) 2025 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+find_package(Python3 COMPONENTS Interpreter REQUIRED)
+
+# Custom command to generate all header files
+add_custom_target(DUSK_LANGUAGES
+  COMMAND
+    ${Python3_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/languagecompile.py
+      --output ${DUSK_GENERATED_HEADERS_DIR}/locale/language/
+      --input ${DUSK_DATA_DIR}/languages/
+  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/languagecompile.py
+  COMMENT "Generating language header files"
+  VERBATIM
+)
+
+# Ensure headers are generated before compiling main
+add_dependencies(${DUSK_TARGET_NAME} DUSK_LANGUAGES)

tools/languagecompile/languagecompile.py

@@ -0,0 +1,136 @@
+import sys, os
+import argparse
+from datetime import datetime
+
+# Check if the script is run with the correct arguments
+parser = argparse.ArgumentParser(description="Generate chunk header files")
+parser.add_argument('--output', required=True, help='Dir to write headers')
+parser.add_argument('--input', required=True, help='Input directory containing language files')
+args = parser.parse_args()
+
+# Ensure outdir exists
+outputFile = args.output
+outputDir = args.output
+os.makedirs(outputDir, exist_ok=True)
+
+inputDir = args.input
+# Scan for .json files in the input directory
+if not os.path.exists(inputDir):
+  print(f"Error: Input directory '{inputDir}' does not exist.")
+  sys.exit(1)
+
+jsonFiles = [f for f in os.listdir(inputDir) if f.endswith('.json')]
+if not jsonFiles or len(jsonFiles) == 0:
+  print(f"Error: No JSON files found in '{inputDir}'.")
+  sys.exit(1)
+
+# take JSON from form { "a": { "b": { "c": "d" } } } to "a.b.c": "d"
+def flattenJson(y):
+  keyValues = {}
+  for key, value in y.items():
+    if isinstance(value, dict):
+      # If the value is a dictionary, recurse into it
+      subKeyValues = flattenJson(value)
+      for subKey, subValue in subKeyValues.items():
+        keyValues[f"{key}.{subKey}"] = subValue
+    else:
+      # If the value is not a dictionary, add it to the keyValues
+      keyValues[key] = value
+  return keyValues
+
+def escapeString(s):
+  # Escape double quotes and backslashes in the string
+  return s.replace('\\', '\\\\').replace('"', '\\"')
+
+# For each language file...
+now = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+isFirstLanguage = True
+
+# Because I code in english, I am going to reorder the langs so it is first.
+jsonFiles.sort(key=lambda x: x.lower() if x.lower() == 'en.json' else "zz_" + x.lower())
+
+keysExpected = []
+
+languages = []
+for jsonFile in jsonFiles:
+  inputFile = os.path.join(inputDir, jsonFile)
+  languageName = os.path.splitext(jsonFile)[0]
+  langUpper = languageName.upper()
+  outputFile = os.path.join(outputDir, f"{languageName}.h")
+
+  # Read the JSON file
+  with open(inputFile, 'r', encoding='utf-8') as f:
+    content = f.read()
+
+  # Write the header file
+  with open(outputFile, 'w', encoding='utf-8') as f:
+    f.write(f"// Generated from {jsonFile} on {now}\n")
+    f.write("#pragma once\n")
+    f.write("#include \"dusk.h\"\n\n")
+    f.write(f"// Language: {languageName} from {jsonFile}\n")
+    
+    keyValues = flattenJson(eval(content))
+
+    if 'meta.language.name' not in keyValues:
+      print(f"Error: 'meta.language.name' not found in {jsonFile}.")
+      sys.exit(1)
+
+    f.write(f"#define LANGUAGE_{langUpper}_CODE \"{languageName}\"\n")
+    f.write(f"#define LANGUAGE_{langUpper}_NAME \"{keyValues['meta.language.name']}\"\n")
+    f.write(f"#define LANGUAGE_{langUpper}_COUNT_KEYS {len(keyValues)}\n\n")
+
+    # Write keys
+    f.write(f"static const char_t *LANGUAGE_{langUpper}_KEYS[] = {{\n")
+    for key in keyValues.keys():
+      f.write(f'  "{escapeString(key)}",\n')
+    f.write("};\n\n")
+
+    # Write values
+    f.write(f"static const char_t *LANGUAGE_{langUpper}_VALUES[] = {{\n")
+    for value in keyValues.values():
+      f.write(f'  "{escapeString(value)}",\n')
+    f.write("};\n\n")
+
+    languages.append(langUpper)
+
+    if isFirstLanguage:
+      # For the first language, we also write the keysExpected
+      keysExpected = list(keyValues.keys())
+    else:
+      for key in keysExpected:
+        if key in keyValues:
+          continue
+        print(f"Error, expected language translation key: '{key}' was not found in {jsonFile}.")
+        sys.exit(1)
+
+# Now write the main header file
+mainOutputFile = os.path.join(outputDir, "languages.h")
+with open(mainOutputFile, 'w', encoding='utf-8') as f:
+  f.write("// Generated from languagecompile.py\n")
+  f.write("#pragma once\n")
+  f.write("#include \"dusk.h\"\n")
+  for lang in languages:
+    f.write(f'#include "locale/language/{lang.lower()}.h"\n')
+  f.write("\n")
+
+  f.write(f"#define LANGUAGES_COUNT {len(languages)}\n\n")
+
+  f.write("static const char_t *LANGUAGE_CODES[] = {\n")
+  for lang in languages:
+    f.write(f'  LANGUAGE_{lang}_CODE,\n')
+  f.write("};\n\n")
+
+  f.write("static const char_t *LANGUAGE_NAMES[] = {\n")
+  for lang in languages:
+    f.write(f'  LANGUAGE_{lang}_NAME,\n')
+  f.write("};\n\n")
+
+  f.write("static const char_t *LANGUAGE_KEYS[] = {\n")
+  for lang in languages:
+    f.write(f'  LANGUAGE_{lang}_KEYS,\n')
+  f.write("};\n\n")
+
+  f.write("static const char_t *LANGUAGE_VALUES[] = {\n")
+  for lang in languages:
+    f.write(f'  LANGUAGE_{lang}_VALUES,\n')
+  f.write("};\n\n")