Add script to generate dialogue data from text

6 files changed, 71 insertions, 6 deletions

diff --git a/Makefile b/Makefile
index 002e53b..1f2ccc5 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,10 @@ all: run
 tileset.gbasm: ./scripts/generate-tiledata.py $(wildcard ./sprites/**/*)
 	python ./scripts/generate-tiledata.py > tileset.gbasm
 
-build/main.rom: main.gbasm tileset.gbasm
+dialogues.gbasm: ./dialogues.gbtxt ./scripts/generate_from_gbtxt.py
+	python ./scripts/generate_from_gbtxt.py dialogues.gbtxt > dialogues.gbasm
+
+build/main.rom: main.gbasm tileset.gbasm dialogues.gbasm
 	mkdir -p build
 	gbasm $< $@
 
diff --git a/dialogues.gbasm b/dialogues.gbasm
new file mode 100644
index 0000000..71054d2
--- /dev/null
+++ b/dialogues.gbasm
@@ -0,0 +1,8 @@
+Lain_Text:
+.DB 0x95, 0x8a, 0x92, 0x97, 0x0, 0x92, 0x9c, 0x0, 0x8c, 0x9e, 0x9d, 0x8e, 0xa5, 0xff
+Owl_Text:
+.DB 0x98, 0xa0, 0x95, 0x0, 0x92, 0x9c, 0x0, 0x8c, 0x9e, 0x9d, 0x8e, 0xa4, 0xff
+Auz_Text:
+.DB 0xa0, 0x92, 0x9d, 0x8c, 0x91, 0x0, 0x92, 0x9c, 0x0, 0x8c, 0x9e, 0x9d, 0x8e, 0xa7, 0xff
+Astatin_Text:
+.DB 0x96, 0x8e, 0xaa, 0x0, 0xa9, 0x92, 0xa8, 0x96, 0x0, 0x97, 0x98, 0x9d, 0x0, 0x8c, 0x9e, 0x9d, 0x8e, 0xa9, 0xff
diff --git a/dialogues.gbtxt b/dialogues.gbtxt
new file mode 100644
index 0000000..13fa017
--- /dev/null
+++ b/dialogues.gbtxt
@@ -0,0 +1,3 @@
+Lain_Text: Lain is cute!
+Owl_Text: Owl is cute!
+Auz_Text: Witch is cute!
diff --git a/main.gbasm b/main.gbasm
index d8c3c92..7048e5f 100644
--- a/main.gbasm
+++ b/main.gbasm
@@ -21,9 +21,6 @@ New_Dungeon:
 	HALT
 	JP =Wait_for_VRAM.loop
 
-Text_Astatin:
-	.DB 0x8a, 0x9c, 0x9d, 0x8a, 0x9d, 0x92, 0x97, 0xff
-
 VBLANK_Entrypoint:
 	; Window enable
 	LD A, $reg_lcd_controller
@@ -44,7 +41,7 @@ VBLANK_Entrypoint:
 
 	INC HL
 
-	LD BC, =Text_Astatin
+	LD BC, =Astatin_Text
 	CALL =Print_str
 
 	CALL =Display_Prepared_Block
@@ -93,3 +90,4 @@ STAT_Entrypoint:
 .INCLUDE "entity/collisions.gbasm"
 .INCLUDE "entity/display.gbasm"
 .INCLUDE "tileset.gbasm"
+.INCLUDE "dialogues.gbasm"
diff --git a/scripts/generate_from_gbtxt.py b/scripts/generate_from_gbtxt.py
new file mode 100644
index 0000000..f31ed04
--- /dev/null
+++ b/scripts/generate_from_gbtxt.py
@@ -0,0 +1,54 @@
+import sys
+
+if len(sys.argv) < 2:
+    raise ValueError("Must have gbtxt file in first argument")
+
+gbtxt_filename = sys.argv[1]
+
+gbtxt_file = open(gbtxt_filename, 'r')
+
+
+def ascii_to_gbtext_format(c):
+    c = c.upper()
+    match c:
+        case c if c <= '9' and c >= '0':
+            return ord(c) - ord('0') + 0x80
+        case c if c <= 'Z' and c >= 'A':
+            return ord(c) - ord('A') + 0x80 + 10
+        case ':':
+            return 0xaa
+        case '"':
+            return 0xa9
+        case "'":
+            return 0xa8
+        case ',':
+            return 0xa7
+        case '?':
+            return 0xa6
+        case '!':
+            return 0xa5
+        case '.':
+            return 0xa4
+        case ' ':
+            return 0x00
+        case _:
+            raise ValueError("Char \"" + c + "\" is not in the allowed charset")
+
+for line in gbtxt_file:
+    line = line.strip()
+
+    if len(line) == 0:
+        continue
+    
+    if line[0] == '#':
+        continue
+
+    if not ':' in line:
+        raise ValueError("Text without label is not allowed")
+
+    label = line[:line.index(':') + 1]
+    text = line[line.index(':') + 1:].strip()
+
+    print(label)
+
+    print(".DB", ", ".join([hex(ascii_to_gbtext_format(c)) for c in text]) + ", 0xff")
diff --git a/tiles.gbasm b/tiles.gbasm
index 1d8c03a..fbe6fdc 100644
--- a/tiles.gbasm
+++ b/tiles.gbasm
@@ -10,7 +10,6 @@ Load_Tile:
 	CALL =memcpy
 	RET
 
-
 Load_Number_Font: ; Load number font into the tilemap at tiles 0x10-0x1f
 	LD HL, $8800
 	LD DE, =Font_Data