int main() {
/* Turn on the 2D graphics core. */
powerOn(POWER_ALL_2D);
/*
* Configure the VRAM and background control registers.
*
* Place the main screen on the bottom physical screen. Then arrange the
* VRAM banks. Next, confiure the background control registers.
*/
lcdMainOnBottom();
initVideo();
initBackgrounds();
/* Set up a few sprites. */
SpriteInfo spriteInfo[SPRITE_COUNT];
OAMTable *oam = new OAMTable();
initOAM(oam);
initSprites(oam, spriteInfo);
/* Display the backgrounds. */
displayStarField();
displayPlanet();
displaySplash();
/* Make the ship object. */
static const int SHUTTLE_OAM_ID = 0;
SpriteEntry * shipEntry = &oam->oamBuffer[SHUTTLE_OAM_ID];
SpriteRotation * shipRotation = &oam->matrixBuffer[SHUTTLE_OAM_ID];
Ship * ship = new Ship(&spriteInfo[SHUTTLE_OAM_ID]);
/* Accelerate the ship for a little while to make it move. */
for (int i = 0; i < 10; i++) {
ship->accelerate();
}
for (;;) {
/* Update the game state. */
ship->moveShip();
/* Update sprite attributes. */
MathVector2D<float> position = ship->getPosition();
shipEntry->x = (int)position.x;
shipEntry->y = (int)position.y;
rotateSprite(shipRotation, -ship->getAngleDeg());
/*
* Update the OAM.
*
* We have to copy our copy of OAM data into the actual OAM during
* VBlank (writes to it are locked during other times).
*/
swiWaitForVBlank();
updateOAM(oam);
}
return 0;
}
bool ArrangeSpriteOP<TBase>::onMouseDrag(int x, int y)
{
if (TBase::onMouseDrag(x, y)) return true;
if (m_scaleOpen && m_scaling && m_scaleSelected.isValid())
{
Vector pos = m_editPanel->transPosScreenToProject(x, y);
scaleSprite(pos);
return false;
}
if (m_selection->empty()) return false;
Vector pos = m_editPanel->transPosScreenToProject(x, y);
if (m_bRightPress)
rotateSprite(pos);
else
translateSprite(pos - m_lastPos);
m_lastPos = pos;
return false;
}
static void processKeyboard(Sprite* sprite)
{
tic_mem* tic = sprite->tic;
if(tic->ram.input.keyboard.data == 0) return;
switch(getClipboardEvent())
{
case TIC_CLIPBOARD_CUT: cutToClipboard(sprite); break;
case TIC_CLIPBOARD_COPY: copyToClipboard(sprite); break;
case TIC_CLIPBOARD_PASTE: copyFromClipboard(sprite); break;
default: break;
}
bool ctrl = tic->api.key(tic, tic_key_ctrl);
if(ctrl)
{
if(keyWasPressed(tic_key_z)) undo(sprite);
else if(keyWasPressed(tic_key_y)) redo(sprite);
}
else
{
if(hasCanvasSelection(sprite))
{
if(keyWasPressed(tic_key_up)) upCanvas(sprite);
else if(keyWasPressed(tic_key_down)) downCanvas(sprite);
else if(keyWasPressed(tic_key_left)) leftCanvas(sprite);
else if(keyWasPressed(tic_key_right)) rightCanvas(sprite);
else if(keyWasPressed(tic_key_delete)) deleteCanvas(sprite);
}
else
{
if(keyWasPressed(tic_key_up)) upSprite(sprite);
else if(keyWasPressed(tic_key_down)) downSprite(sprite);
else if(keyWasPressed(tic_key_left)) leftSprite(sprite);
else if(keyWasPressed(tic_key_right)) rightSprite(sprite);
else if(keyWasPressed(tic_key_delete)) deleteSprite(sprite);
else if(keyWasPressed(tic_key_tab)) switchBanks(sprite);
if(!sprite->editPalette)
{
if(keyWasPressed(tic_key_1)) sprite->mode = SPRITE_DRAW_MODE;
else if(keyWasPressed(tic_key_2)) sprite->mode = SPRITE_PICK_MODE;
else if(keyWasPressed(tic_key_3)) sprite->mode = SPRITE_SELECT_MODE;
else if(keyWasPressed(tic_key_4)) sprite->mode = SPRITE_FILL_MODE;
else if(keyWasPressed(tic_key_5)) flipSpriteHorz(sprite);
else if(keyWasPressed(tic_key_6)) flipSpriteVert(sprite);
else if(keyWasPressed(tic_key_7)) rotateSprite(sprite);
else if(keyWasPressed(tic_key_8)) deleteSprite(sprite);
if(sprite->mode == SPRITE_DRAW_MODE)
{
if(keyWasPressed(tic_key_leftbracket)) {if(sprite->brushSize > 1) sprite->brushSize--;}
else if(keyWasPressed(tic_key_rightbracket)) {if(sprite->brushSize < 4) sprite->brushSize++;}
}
}
}
}
}
void initSprites(OAMTable * oam, SpriteInfo *spriteInfo) {
/* Define some sprite configuration specific constants.
*
* We will use these to compute the proper index into memory for certain
* tiles or palettes.
*
* OFFSET_MULTIPLIER is calculated based on the following formula from
* GBATEK (http://nocash.emubase.de/gbatek.htm#dsvideoobjs):
* TileVramAddress = TileNumber * BoundaryValue
* Since SPRITE_GFX is a uint16*, the compiler will increment the address
* it points to by 2 for each change in 1 of the array index into
* SPRITE_GFX. (The compiler does pointer arithmetic.)
*/
static const int BYTES_PER_16_COLOR_TILE = 32;
static const int COLORS_PER_PALETTE = 16;
static const int BOUNDARY_VALUE = 32; /* This is the default boundary value
* (can be set in REG_DISPCNT) */
static const int OFFSET_MULTIPLIER = BOUNDARY_VALUE /
sizeof(SPRITE_GFX[0]);
/* Keep track of the available tiles. */
int nextAvailableTileIdx = 0;
/* Create the ship sprite. */
static const int SHUTTLE_OAM_ID = 0;
assert(SHUTTLE_OAM_ID < SPRITE_COUNT);
SpriteInfo * shuttleInfo = &spriteInfo[SHUTTLE_OAM_ID];
SpriteEntry * shuttle = &oam->oamBuffer[SHUTTLE_OAM_ID];
/* Initialize shuttleInfo */
shuttleInfo->oamId = SHUTTLE_OAM_ID;
shuttleInfo->width = 64;
shuttleInfo->height = 64;
shuttleInfo->angle = 3186;
shuttleInfo->entry = shuttle;
/*
* Configure attribute 0.
*
* OBJCOLOR_16 will make a 16-color sprite. We specify that we want an
* affine sprite (via isRotateScale) here because we would like to rotate
* the ship.
*/
shuttle->y = SCREEN_HEIGHT / 2 - shuttleInfo->height;
shuttle->isRotateScale = true;
/* This assert is a check to see a matrix is available to store the affine
* transformation matrix for this sprite. Of course, you don't have to have
* the matrix id match the affine id, but if you do make them match, this
* assert can be helpful.
*/
assert(!shuttle->isRotateScale || (shuttleInfo->oamId < MATRIX_COUNT));
shuttle->isSizeDouble = false;
shuttle->blendMode = OBJMODE_NORMAL;
shuttle->isMosaic = false;
shuttle->colorMode = OBJCOLOR_16;
shuttle->shape = OBJSHAPE_SQUARE;
/*
* Configure attribute 1.
*
* rotationIndex refers to the loation of affine transformation matrix. We
* set it to a location computed with a macro. OBJSIZE_64, in our case
* since we are making a square sprite, creates a 64x64 sprite.
*/
shuttle->x = SCREEN_WIDTH / 2 - shuttleInfo->width * 2 +
shuttleInfo->width / 2;
shuttle->rotationIndex = shuttleInfo->oamId;
shuttle->size = OBJSIZE_64;
/*
* Configure attribute 2.
*
* Configure which tiles the sprite will use, which priority layer it will
* be placed onto, which palette the sprite should use, and whether or not
* to show the sprite.
*/
shuttle->gfxIndex = nextAvailableTileIdx;
nextAvailableTileIdx += orangeShuttleTilesLen / BYTES_PER_16_COLOR_TILE;
shuttle->priority = OBJPRIORITY_0;
shuttle->palette = shuttleInfo->oamId;
/* Rotate the sprite */
rotateSprite(&oam->matrixBuffer[shuttleInfo->oamId],
shuttleInfo->angle);
/*************************************************************************/
/* Create the moon sprite. */
static const int MOON_OAM_ID = 1;
assert(MOON_OAM_ID < SPRITE_COUNT);
SpriteInfo * moonInfo = &spriteInfo[MOON_OAM_ID];
SpriteEntry * moon = &oam->oamBuffer[MOON_OAM_ID];
/* Initialize moonInfo */
moonInfo->oamId = MOON_OAM_ID;
moonInfo->width = 32;
moonInfo->height = 32;
moonInfo->angle = 0;
moonInfo->entry = moon;
/*
* Configure attribute 0.
*
* OBJCOLOR_16 will make a 16-color sprite. We won't specify that we want
* an affine sprite here because we don't want one this time.
*/
moon->y = SCREEN_WIDTH / 2 + moonInfo->height / 2;
moon->isRotateScale = false;
/* This assert is a check to see a matrix is available to store the affine
* transformation matrix for this sprite. Of course, you don't have to have
* the matrix id match the affine id, but if you do make them match, this
* assert can be helpful. */
assert(!moon->isRotateScale || (moonInfo->oamId < MATRIX_COUNT));
moon->isHidden = false;
moon->blendMode = OBJMODE_NORMAL;
moon->isMosaic = false;
moon->colorMode = OBJCOLOR_16;
moon->shape = OBJSHAPE_SQUARE;
/*
* Configure attribute 1.
*
* OBJSIZE_32 will create a sprite of size 32x32, since we are making a
* square sprite. Since we are using a non-affine sprite, attribute 1
* doesn't have an rotationIndex anymore. Instead, it has the ability to
* flip the sprite vertically or horizontally.
*/
moon->x = SCREEN_WIDTH / 2 + moonInfo->width + moonInfo->width / 2;
moon->hFlip = false;
moon->vFlip = false;
moon->size = OBJSIZE_32;
/*
* Configure attribute 2.
*
* Configure which tiles the sprite will use, which priority layer it will
* be placed onto, which palette the sprite should use, and whether or not
* to show the sprite.
*/
moon->gfxIndex = nextAvailableTileIdx;
nextAvailableTileIdx += moonTilesLen / BYTES_PER_16_COLOR_TILE;
moon->priority = OBJPRIORITY_2;
moon->palette = moonInfo->oamId;
/*************************************************************************/
/* Copy over the sprite palettes */
dmaCopyHalfWords(SPRITE_DMA_CHANNEL,
orangeShuttlePal,
&SPRITE_PALETTE[shuttleInfo->oamId *
COLORS_PER_PALETTE],
orangeShuttlePalLen);
dmaCopyHalfWords(SPRITE_DMA_CHANNEL,
moonPal,
&SPRITE_PALETTE[moonInfo->oamId * COLORS_PER_PALETTE],
moonPalLen);
/* Copy the sprite graphics to sprite graphics memory */
dmaCopyHalfWords(SPRITE_DMA_CHANNEL,
orangeShuttleTiles,
&SPRITE_GFX[shuttle->gfxIndex * OFFSET_MULTIPLIER],
orangeShuttleTilesLen);
dmaCopyHalfWords(SPRITE_DMA_CHANNEL,
moonTiles,
&SPRITE_GFX[moon->gfxIndex * OFFSET_MULTIPLIER],
moonTilesLen);
}
int main() {
/* Turn on the 2D graphics core. */
powerOn(POWER_ALL_2D);
/*
* Configure the VRAM and background control registers.
*
* Place the main screen on the bottom physical screen. Then arrange the
* VRAM banks. Next, confiure the background control registers.
*/
lcdMainOnBottom();
initVideo();
initBackgrounds();
/* Initialize maxmod using the memory based soundbank set up. */
mmInitDefaultMem((mm_addr)soundbank_bin);
/* Set up a few sprites. */
SpriteInfo spriteInfo[SPRITE_COUNT];
OAMTable *oam = new OAMTable();
initOAM(oam);
initSprites(oam, spriteInfo);
/* Display the backgrounds. */
displayStarField();
displayPlanet();
displaySplash();
/*************************************************************************/
/* Keep track of the touch screen coordinates. */
touchPosition touch;
/* Make the ship object. */
static const int SHUTTLE_OAM_ID = 0;
SpriteEntry * shipEntry = &oam->oamBuffer[SHUTTLE_OAM_ID];
SpriteRotation * shipRotation = &oam->matrixBuffer[SHUTTLE_OAM_ID];
Ship * ship = new Ship(&spriteInfo[SHUTTLE_OAM_ID]);
/* Make the moon. */
static const int MOON_OAM_ID = 1;
SpriteEntry * moonEntry = &oam->oamBuffer[MOON_OAM_ID];
SpriteInfo * moonInfo = &spriteInfo[MOON_OAM_ID];
MathVector2D<int> * moonPos = new MathVector2D<int>();
moonPos->x = moonEntry->x;
moonPos->y = moonEntry->y;
/* Set up sound data. */
mmLoadEffect(SFX_THRUST);
for (;;) {
/* Update the game state. */
updateInput(&touch);
handleInput(ship, moonPos, moonInfo, &touch);
ship->moveShip();
/* Update ship sprite attributes. */
MathVector2D<float> position = ship->getPosition();
shipEntry->x = (int)position.x;
shipEntry->y = (int)position.y;
rotateSprite(shipRotation, -ship->getAngleDeg());
/* Update moon sprite attributes. */
moonEntry->x = (int)moonPos->x;
moonEntry->y = (int)moonPos->y;
/*
* Update the OAM.
*
* We have to copy our copy of OAM data into the actual OAM during
* VBlank (writes to it are locked during other times).
*/
swiWaitForVBlank();
updateOAM(oam);
}
return 0;
}
