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Name overworld tilemaps for their bg, add layer type constants

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This commit is contained in:
GriffinR 2022-01-19 09:37:12 -05:00
parent 69759b2d12
commit f127e64a3c
5 changed files with 73 additions and 76 deletions
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6
common_syms/overworld.txt
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@ -1,6 +1,6 @@
gBGTilemapBuffers1 gOverworldTilemapBuffer_Bg2
gBGTilemapBuffers2 gOverworldTilemapBuffer_Bg1
gBGTilemapBuffers3 gOverworldTilemapBuffer_Bg3
gHeldKeyCodeToSend gHeldKeyCodeToSend
gFieldCallback gFieldCallback
gFieldCallback2 gFieldCallback2

6
include/global.fieldmap.h
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@ -9,6 +9,12 @@
#define METATILE_COLLISION_SHIFT 10 #define METATILE_COLLISION_SHIFT 10
#define METATILE_ELEVATION_MASK 0xF000 #define METATILE_ELEVATION_MASK 0xF000
enum {
METATILE_LAYER_TYPE_NORMAL, // Metatile uses middle and top bg layers
METATILE_LAYER_TYPE_COVERED, // Metatile uses bottom and middle bg layers
METATILE_LAYER_TYPE_SPLIT, // Metatile uses bottom and top bg layers
};
#define METATILE_ID(tileset, name) (METATILE_##tileset##_##name) #define METATILE_ID(tileset, name) (METATILE_##tileset##_##name)
// Rows of metatiles do not actually have a strict width. // Rows of metatiles do not actually have a strict width.

8
include/overworld.h
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@ -40,20 +40,18 @@ struct LinkPlayerObjectEvent
u8 movementMode; u8 movementMode;
}; };
// Exported RAM declarations
extern struct WarpData gLastUsedWarp; extern struct WarpData gLastUsedWarp;
extern struct LinkPlayerObjectEvent gLinkPlayerObjectEvents[4]; extern struct LinkPlayerObjectEvent gLinkPlayerObjectEvents[4];
extern u16 *gBGTilemapBuffers1; extern u16 *gOverworldTilemapBuffer_Bg2;
extern u16 *gBGTilemapBuffers2; extern u16 *gOverworldTilemapBuffer_Bg1;
extern u16 *gBGTilemapBuffers3; extern u16 *gOverworldTilemapBuffer_Bg3;
extern u16 gHeldKeyCodeToSend; extern u16 gHeldKeyCodeToSend;
extern void (*gFieldCallback)(void); extern void (*gFieldCallback)(void);
extern bool8 (*gFieldCallback2)(void); extern bool8 (*gFieldCallback2)(void);
extern u8 gLocalLinkPlayerId; extern u8 gLocalLinkPlayerId;
extern u8 gFieldLinkPlayerCount; extern u8 gFieldLinkPlayerCount;
// Exported ROM declarations
extern const struct UCoords32 gDirectionToVectors[]; extern const struct UCoords32 gDirectionToVectors[];
void DoWhiteOut(void); void DoWhiteOut(void);

102
src/field_camera.c
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@ -14,7 +14,6 @@
EWRAM_DATA bool8 gUnusedBikeCameraAheadPanback = FALSE; EWRAM_DATA bool8 gUnusedBikeCameraAheadPanback = FALSE;
// Static type declarations
struct FieldCameraOffset struct FieldCameraOffset
{ {
u8 xPixelOffset; u8 xPixelOffset;
@ -24,18 +23,16 @@ struct FieldCameraOffset
bool8 copyBGToVRAM; bool8 copyBGToVRAM;
}; };
// static functions static void RedrawMapSliceNorth(struct FieldCameraOffset *, const struct MapLayout *);
static void RedrawMapSliceNorth(struct FieldCameraOffset *cameraOffset, const struct MapLayout *mapLayout); static void RedrawMapSliceSouth(struct FieldCameraOffset *, const struct MapLayout *);
static void RedrawMapSliceSouth(struct FieldCameraOffset *cameraOffset, const struct MapLayout *mapLayout); static void RedrawMapSliceEast(struct FieldCameraOffset *, const struct MapLayout *);
static void RedrawMapSliceEast(struct FieldCameraOffset *cameraOffset, const struct MapLayout *mapLayout); static void RedrawMapSliceWest(struct FieldCameraOffset *, const struct MapLayout *);
static void RedrawMapSliceWest(struct FieldCameraOffset *cameraOffset, const struct MapLayout *mapLayout); static s32 MapPosToBgTilemapOffset(struct FieldCameraOffset *, s32, s32);
static s32 MapPosToBgTilemapOffset(struct FieldCameraOffset *a, s32 x, s32 y); static void DrawWholeMapViewInternal(int, int, const struct MapLayout *);
static void DrawWholeMapViewInternal(int x, int y, const struct MapLayout *mapLayout); static void DrawMetatileAt(const struct MapLayout *, u16, int, int);
static void DrawMetatileAt(const struct MapLayout *mapLayout, u16, int, int); static void DrawMetatile(s32, u16 *, u16);
static void DrawMetatile(s32 a, u16 *b, u16 c);
static void CameraPanningCB_PanAhead(void); static void CameraPanningCB_PanAhead(void);
// IWRAM bss vars
static struct FieldCameraOffset sFieldCameraOffset; static struct FieldCameraOffset sFieldCameraOffset;
static s16 sHorizontalCameraPan; static s16 sHorizontalCameraPan;
static s16 sVerticalCameraPan; static s16 sVerticalCameraPan;
@ -46,7 +43,6 @@ struct CameraObject gFieldCamera;
u16 gTotalCameraPixelOffsetY; u16 gTotalCameraPixelOffsetY;
u16 gTotalCameraPixelOffsetX; u16 gTotalCameraPixelOffsetX;
// text
static void ResetCameraOffset(struct FieldCameraOffset *cameraOffset) static void ResetCameraOffset(struct FieldCameraOffset *cameraOffset)
{ {
cameraOffset->xTileOffset = 0; cameraOffset->xTileOffset = 0;
@ -222,7 +218,7 @@ void DrawDoorMetatileAt(int x, int y, u16 *arr)
if (offset >= 0) if (offset >= 0)
{ {
DrawMetatile(1, arr, offset); DrawMetatile(METATILE_LAYER_TYPE_COVERED, arr, offset);
sFieldCameraOffset.copyBGToVRAM = TRUE; sFieldCameraOffset.copyBGToVRAM = TRUE;
} }
} }
@ -244,66 +240,66 @@ static void DrawMetatileAt(const struct MapLayout *mapLayout, u16 offset, int x,
DrawMetatile(MapGridGetMetatileLayerTypeAt(x, y), metatiles + metatileId * 8, offset); DrawMetatile(MapGridGetMetatileLayerTypeAt(x, y), metatiles + metatileId * 8, offset);
} }
static void DrawMetatile(s32 metatileLayerType, u16 *metatiles, u16 offset) static void DrawMetatile(s32 metatileLayerType, u16 *tiles, u16 offset)
{ {
switch (metatileLayerType) switch (metatileLayerType)
{ {
case 2: // LAYER_TYPE_ case METATILE_LAYER_TYPE_SPLIT:
// Draw metatile's bottom layer to the bottom background layer. // Draw metatile's bottom layer to the bottom background layer.
gBGTilemapBuffers3[offset] = metatiles[0]; gOverworldTilemapBuffer_Bg3[offset] = tiles[0];
gBGTilemapBuffers3[offset + 1] = metatiles[1]; gOverworldTilemapBuffer_Bg3[offset + 1] = tiles[1];
gBGTilemapBuffers3[offset + 0x20] = metatiles[2]; gOverworldTilemapBuffer_Bg3[offset + 0x20] = tiles[2];
gBGTilemapBuffers3[offset + 0x21] = metatiles[3]; gOverworldTilemapBuffer_Bg3[offset + 0x21] = tiles[3];
// Draw transparent tiles to the middle background layer. // Draw transparent tiles to the middle background layer.
gBGTilemapBuffers1[offset] = 0; gOverworldTilemapBuffer_Bg2[offset] = 0;
gBGTilemapBuffers1[offset + 1] = 0; gOverworldTilemapBuffer_Bg2[offset + 1] = 0;
gBGTilemapBuffers1[offset + 0x20] = 0; gOverworldTilemapBuffer_Bg2[offset + 0x20] = 0;
gBGTilemapBuffers1[offset + 0x21] = 0; gOverworldTilemapBuffer_Bg2[offset + 0x21] = 0;
// Draw metatile's top layer to the top background layer. // Draw metatile's top layer to the top background layer.
gBGTilemapBuffers2[offset] = metatiles[4]; gOverworldTilemapBuffer_Bg1[offset] = tiles[4];
gBGTilemapBuffers2[offset + 1] = metatiles[5]; gOverworldTilemapBuffer_Bg1[offset + 1] = tiles[5];
gBGTilemapBuffers2[offset + 0x20] = metatiles[6]; gOverworldTilemapBuffer_Bg1[offset + 0x20] = tiles[6];
gBGTilemapBuffers2[offset + 0x21] = metatiles[7]; gOverworldTilemapBuffer_Bg1[offset + 0x21] = tiles[7];
break; break;
case 1: // LAYER_TYPE_COVERED_BY_OBJECTS case METATILE_LAYER_TYPE_COVERED:
// Draw metatile's bottom layer to the bottom background layer. // Draw metatile's bottom layer to the bottom background layer.
gBGTilemapBuffers3[offset] = metatiles[0]; gOverworldTilemapBuffer_Bg3[offset] = tiles[0];
gBGTilemapBuffers3[offset + 1] = metatiles[1]; gOverworldTilemapBuffer_Bg3[offset + 1] = tiles[1];
gBGTilemapBuffers3[offset + 0x20] = metatiles[2]; gOverworldTilemapBuffer_Bg3[offset + 0x20] = tiles[2];
gBGTilemapBuffers3[offset + 0x21] = metatiles[3]; gOverworldTilemapBuffer_Bg3[offset + 0x21] = tiles[3];
// Draw metatile's top layer to the middle background layer. // Draw metatile's top layer to the middle background layer.
gBGTilemapBuffers1[offset] = metatiles[4]; gOverworldTilemapBuffer_Bg2[offset] = tiles[4];
gBGTilemapBuffers1[offset + 1] = metatiles[5]; gOverworldTilemapBuffer_Bg2[offset + 1] = tiles[5];
gBGTilemapBuffers1[offset + 0x20] = metatiles[6]; gOverworldTilemapBuffer_Bg2[offset + 0x20] = tiles[6];
gBGTilemapBuffers1[offset + 0x21] = metatiles[7]; gOverworldTilemapBuffer_Bg2[offset + 0x21] = tiles[7];
// Draw transparent tiles to the top background layer. // Draw transparent tiles to the top background layer.
gBGTilemapBuffers2[offset] = 0; gOverworldTilemapBuffer_Bg1[offset] = 0;
gBGTilemapBuffers2[offset + 1] = 0; gOverworldTilemapBuffer_Bg1[offset + 1] = 0;
gBGTilemapBuffers2[offset + 0x20] = 0; gOverworldTilemapBuffer_Bg1[offset + 0x20] = 0;
gBGTilemapBuffers2[offset + 0x21] = 0; gOverworldTilemapBuffer_Bg1[offset + 0x21] = 0;
break; break;
case 0: // LAYER_TYPE_NORMAL case METATILE_LAYER_TYPE_NORMAL:
// Draw garbage to the bottom background layer. // Draw garbage to the bottom background layer.
gBGTilemapBuffers3[offset] = 0x3014; gOverworldTilemapBuffer_Bg3[offset] = 0x3014;
gBGTilemapBuffers3[offset + 1] = 0x3014; gOverworldTilemapBuffer_Bg3[offset + 1] = 0x3014;
gBGTilemapBuffers3[offset + 0x20] = 0x3014; gOverworldTilemapBuffer_Bg3[offset + 0x20] = 0x3014;
gBGTilemapBuffers3[offset + 0x21] = 0x3014; gOverworldTilemapBuffer_Bg3[offset + 0x21] = 0x3014;
// Draw metatile's bottom layer to the middle background layer. // Draw metatile's bottom layer to the middle background layer.
gBGTilemapBuffers1[offset] = metatiles[0]; gOverworldTilemapBuffer_Bg2[offset] = tiles[0];
gBGTilemapBuffers1[offset + 1] = metatiles[1]; gOverworldTilemapBuffer_Bg2[offset + 1] = tiles[1];
gBGTilemapBuffers1[offset + 0x20] = metatiles[2]; gOverworldTilemapBuffer_Bg2[offset + 0x20] = tiles[2];
gBGTilemapBuffers1[offset + 0x21] = metatiles[3]; gOverworldTilemapBuffer_Bg2[offset + 0x21] = tiles[3];
// Draw metatile's top layer to the top background layer, which covers object event sprites. // Draw metatile's top layer to the top background layer, which covers object event sprites.
gBGTilemapBuffers2[offset] = metatiles[4]; gOverworldTilemapBuffer_Bg1[offset] = tiles[4];
gBGTilemapBuffers2[offset + 1] = metatiles[5]; gOverworldTilemapBuffer_Bg1[offset + 1] = tiles[5];
gBGTilemapBuffers2[offset + 0x20] = metatiles[6]; gOverworldTilemapBuffer_Bg1[offset + 0x20] = tiles[6];
gBGTilemapBuffers2[offset + 0x21] = metatiles[7]; gOverworldTilemapBuffer_Bg1[offset + 0x21] = tiles[7];
break; break;
} }
ScheduleBgCopyTilemapToVram(1); ScheduleBgCopyTilemapToVram(1);

27
src/overworld.c
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@ -183,9 +183,9 @@ static u16 (*sPlayerKeyInterceptCallback)(u32);
static bool8 sReceivingFromLink; static bool8 sReceivingFromLink;
static u8 sRfuKeepAliveTimer; static u8 sRfuKeepAliveTimer;
u16 *gBGTilemapBuffers1; u16 *gOverworldTilemapBuffer_Bg2;
u16 *gBGTilemapBuffers2; u16 *gOverworldTilemapBuffer_Bg1;
u16 *gBGTilemapBuffers3; u16 *gOverworldTilemapBuffer_Bg3;
u16 gHeldKeyCodeToSend; u16 gHeldKeyCodeToSend;
void (*gFieldCallback)(void); void (*gFieldCallback)(void);
bool8 (*gFieldCallback2)(void); bool8 (*gFieldCallback2)(void);
@ -1394,12 +1394,12 @@ static void InitOverworldBgs(void)
SetBgAttribute(1, BG_ATTR_MOSAIC, 1); SetBgAttribute(1, BG_ATTR_MOSAIC, 1);
SetBgAttribute(2, BG_ATTR_MOSAIC, 1); SetBgAttribute(2, BG_ATTR_MOSAIC, 1);
SetBgAttribute(3, BG_ATTR_MOSAIC, 1); SetBgAttribute(3, BG_ATTR_MOSAIC, 1);
gBGTilemapBuffers2 = AllocZeroed(BG_SCREEN_SIZE); gOverworldTilemapBuffer_Bg1 = AllocZeroed(BG_SCREEN_SIZE);
gBGTilemapBuffers1 = AllocZeroed(BG_SCREEN_SIZE); gOverworldTilemapBuffer_Bg2 = AllocZeroed(BG_SCREEN_SIZE);
gBGTilemapBuffers3 = AllocZeroed(BG_SCREEN_SIZE); gOverworldTilemapBuffer_Bg3 = AllocZeroed(BG_SCREEN_SIZE);
SetBgTilemapBuffer(1, gBGTilemapBuffers2); SetBgTilemapBuffer(1, gOverworldTilemapBuffer_Bg1);
SetBgTilemapBuffer(2, gBGTilemapBuffers1); SetBgTilemapBuffer(2, gOverworldTilemapBuffer_Bg2);
SetBgTilemapBuffer(3, gBGTilemapBuffers3); SetBgTilemapBuffer(3, gOverworldTilemapBuffer_Bg3);
InitStandardTextBoxWindows(); InitStandardTextBoxWindows();
} }
@ -1407,12 +1407,9 @@ void CleanupOverworldWindowsAndTilemaps(void)
{ {
ClearMirageTowerPulseBlendEffect(); ClearMirageTowerPulseBlendEffect();
FreeAllOverworldWindowBuffers(); FreeAllOverworldWindowBuffers();
if (gBGTilemapBuffers3) TRY_FREE_AND_SET_NULL(gOverworldTilemapBuffer_Bg3);
FREE_AND_SET_NULL(gBGTilemapBuffers3); TRY_FREE_AND_SET_NULL(gOverworldTilemapBuffer_Bg2);
if (gBGTilemapBuffers1) TRY_FREE_AND_SET_NULL(gOverworldTilemapBuffer_Bg1);
FREE_AND_SET_NULL(gBGTilemapBuffers1);
if (gBGTilemapBuffers2)
FREE_AND_SET_NULL(gBGTilemapBuffers2);
} }
static void ResetSafariZoneFlag_(void) static void ResetSafariZoneFlag_(void)