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Name overworld tilemaps for their bg, add layer type constants

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
View File

@ -1,6 +1,6 @@
gBGTilemapBuffers1
gBGTilemapBuffers2
gBGTilemapBuffers3
gOverworldTilemapBuffer_Bg2
gOverworldTilemapBuffer_Bg1
gOverworldTilemapBuffer_Bg3
gHeldKeyCodeToSend
gFieldCallback
gFieldCallback2

6
include/global.fieldmap.h
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@ -9,6 +9,12 @@
#define METATILE_COLLISION_SHIFT 10
#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)
// 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;
};
// Exported RAM declarations
extern struct WarpData gLastUsedWarp;
extern struct LinkPlayerObjectEvent gLinkPlayerObjectEvents[4];
extern u16 *gBGTilemapBuffers1;
extern u16 *gBGTilemapBuffers2;
extern u16 *gBGTilemapBuffers3;
extern u16 *gOverworldTilemapBuffer_Bg2;
extern u16 *gOverworldTilemapBuffer_Bg1;
extern u16 *gOverworldTilemapBuffer_Bg3;
extern u16 gHeldKeyCodeToSend;
extern void (*gFieldCallback)(void);
extern bool8 (*gFieldCallback2)(void);
extern u8 gLocalLinkPlayerId;
extern u8 gFieldLinkPlayerCount;
// Exported ROM declarations
extern const struct UCoords32 gDirectionToVectors[];
void DoWhiteOut(void);

102
src/field_camera.c
View File

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

27
src/overworld.c
View File

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