Port image_processing_effects from Emerald

common_syms/image_processing_effects.txt

@@ -0,0 +1,10 @@
+gCanvasColumnStart
+gCanvasPixels
+gCanvasRowEnd
+gCanvasHeight
+gCanvasColumnEnd
+gCanvasRowStart
+gCanvasMonPersonality
+gCanvasWidth
+gCanvasPalette
+gCanvasPaletteStart

data/image_processing_effects.s

@@ -1,7 +1,7 @@
 	.section .rodata
 	.align 2, 0
 
-gUnknown_83F3024:: @ 83F3024
+gPointillismPoints:: @ 83F3024
 	.byte 0x00, 0x1d, 0x1c
 	.byte 0x0e, 0x1e, 0x1b
 	.byte 0x00, 0x01, 0x32

include/image_processing_effects.h

@@ -0,0 +1,53 @@
+#ifndef GUARD_IMAGE_PROCESSING_EFFECTS_H
+#define GUARD_IMAGE_PROCESSING_EFFECTS_H
+
+enum
+{
+    IMAGE_EFFECT_POINTILLISM = 2,
+    IMAGE_EFFECT_GRAYSCALE_LIGHT = 6,
+    IMAGE_EFFECT_BLUR = 8,
+    IMAGE_EFFECT_OUTLINE_COLORED = 9,
+    IMAGE_EFFECT_INVERT_BLACK_WHITE = 10,
+    IMAGE_EFFECT_THICK_BLACK_WHITE = 11,
+    IMAGE_EFFECT_SHIMMER = 13,
+    IMAGE_EFFECT_OUTLINE = 30,
+    IMAGE_EFFECT_INVERT = 31,
+    IMAGE_EFFECT_BLUR_RIGHT = 32,
+    IMAGE_EFFECT_BLUR_DOWN = 33,
+    IMAGE_EFFECT_CHARCOAL = 36,
+};
+
+enum
+{
+    QUANTIZE_EFFECT_STANDARD,
+    QUANTIZE_EFFECT_STANDARD_LIMITED_COLORS,
+    QUANTIZE_EFFECT_PRIMARY_COLORS,
+    QUANTIZE_EFFECT_GRAYSCALE,
+    QUANTIZE_EFFECT_GRAYSCALE_SMALL,
+    QUANTIZE_EFFECT_BLACK_WHITE,
+};
+
+struct ImageProcessingContext
+{
+    u8 effect;
+    void *canvasPixels;
+    u16 *canvasPalette;
+    u8 fillerC[0x4];
+    void *dest;
+    u16 quantizeEffect;
+    u16 var_16;
+    u8 paletteStart;
+    u8 columnStart;
+    u8 rowStart;
+    u8 columnEnd;
+    u8 rowEnd;
+    u8 canvasWidth;
+    u8 canvasHeight;
+    u8 personality;
+};
+
+void ApplyImageProcessingEffects(struct ImageProcessingContext *);
+void ApplyImageProcessingQuantization(struct ImageProcessingContext *);
+void ConvertImageProcessingToGBA(struct ImageProcessingContext *);
+
+#endif

ld_script.txt

@@ -181,7 +181,7 @@ SECTIONS {
         asm/script_pokemon_util_80BF8FC.o(.text);
         src/heal_location.o(.text);
         src/region_map.o(.text);
-        asm/image_processing_effects.o(.text);
+        src/image_processing_effects.o(.text);
         src/battle_ai_script_commands.o(.text);
         src/fldeff_rocksmash.o(.text);
         src/fldeff_dig.o(.text);

sym_common.txt

@@ -61,37 +61,8 @@ gUnknown_3005078: @ 3005078
 	
 	@ what is this?
 	.space 0x20
-
+	.align 2
-gUnknown_3005330: @ 3005330
+	.include "image_processing_effects.o"
-	.space 0x4
-
-gUnknown_3005334: @ 3005334
-	.space 0x4
-
-gUnknown_3005338: @ 3005338
-	.space 0x4
-
-gUnknown_300533C: @ 300533C
-	.space 0x4
-
-gUnknown_3005340: @ 3005340
-	.space 0x4
-
-gUnknown_3005344: @ 3005344
-	.space 0x4
-
-gUnknown_3005348: @ 3005348
-	.space 0x4
-
-gUnknown_300534C: @ 300534C
-	.space 0x4
-
-gUnknown_3005350: @ 3005350
-	.space 0x4
-
-gUnknown_3005354: @ 3005354
-	.space 0xC
-
 	.align 2
 	.include "field_specials.o"
 	.align 2