// constuctor
cParticle::cParticle(float _x, float _y, int _dir = 0,
float _speed = 0,
int frames = 1, bool _fade = false,
bool _autorot = false, bool _scale = false, int _z = 0) {
z = _z;
x = _x;
y = _y;
speed = _speed;
dir = _dir;
dx = (Sin2(dir) * speed);
dy = (-Cos2(dir) * speed);
da = 1.0 / frames;
a = 1.0;
s = 1.0;
maxdistance = frames;
if(dir > 0&&_autorot > 0){
r = dir;
}
if(_fade > 0) {
fade = true;
}
if(_autoscale > 0) {
scale = true;
}
}
static void BattleIntroTask_FadeScenery(u8 taskId)
{
s32 i;
switch (gTasks[taskId].data[1])
{
case 2:
case 4:
gBattle_BG1_X += 8;
break;
case 3:
gBattle_BG1_X += 6;
break;
}
if (gTasks[taskId].data[1] == 4)
{
gBattle_BG1_Y = Cos2(gTasks[taskId].data[6]) / 512 - 8;
if (gTasks[taskId].data[6] < 0xB4)
gTasks[taskId].data[6] += 4;
else
gTasks[taskId].data[6] += 6;
if (gTasks[taskId].data[6] == 0x168)
gTasks[taskId].data[6] = 0;
}
switch (gTasks[taskId].tState)
{
case 0:
gTasks[taskId].data[4] = 16;
if (gBattleTypeFlags & BATTLE_TYPE_LINK)
{
gTasks[taskId].tBgXOffset = 16;
gTasks[taskId].tState++;
}
else
{
gTasks[taskId].tBgXOffset = 1;
gTasks[taskId].tState++;
}
break;
case 1:
gTasks[taskId].tBgXOffset--;
if (gTasks[taskId].tBgXOffset == 0)
{
gTasks[taskId].tState++;
REG_WININ = 0x3F;
}
break;
case 2:
// Open up window
gBattle_WIN0V -= WIN_RANGE(1, 0); // decrement min Y
gBattle_WIN0V += WIN_RANGE(0, 1); // increment max Y
if ((gBattle_WIN0V & 0xFF00) == 0x3000)
{
gTasks[taskId].tState++;
gTasks[taskId].tBgXOffset = DISPLAY_WIDTH;
gTasks[taskId].tFramesUntilBg1Slide = 32;
gTasks[taskId].data[5] = 1;
gUnknown_02024DE8 &= ~1;
}
break;
case 3:
if (gTasks[taskId].tFramesUntilBg1Slide != 0)
{
gTasks[taskId].tFramesUntilBg1Slide--;
if (gTasks[taskId].tFramesUntilBg1Slide == 0)
{
REG_BLDCNT = 0x1842;
REG_BLDALPHA = 0xF;
REG_BLDY = 0;
}
}
else
{
if ((gTasks[taskId].data[4] & 0x1F) && --gTasks[taskId].data[5] == 0)
{
gTasks[taskId].data[4] += 255;
gTasks[taskId].data[5] = 4;
}
}
if ((gBattle_WIN0V & 0xFF00) != 0)
gBattle_WIN0V -= 1020;
if (gTasks[taskId].tBgXOffset != 0)
gTasks[taskId].tBgXOffset -= 2;
// Slide in the top half of the BG from the left
for (i = 0; i < DISPLAY_HEIGHT / 2; i++)
gScanlineEffectRegBuffers[gScanlineEffect.srcBuffer][i] = gTasks[taskId].tBgXOffset;
// Slide in the bottom half of the BG from the right
for (; i < DISPLAY_HEIGHT; i++)
gScanlineEffectRegBuffers[gScanlineEffect.srcBuffer][i] = -gTasks[taskId].tBgXOffset;
if (gTasks[taskId].tBgXOffset == 0)
{
gScanlineEffect.state = 3;
gTasks[taskId].tState++;
CpuFill32(0, (void *)(VRAM + 0xE000), 0x800);
REG_BG1CNT = 0x9C00;
REG_BG2CNT = 0x5E00;
}
break;
case 4:
EndBattleIntroTask(taskId);
break;
}
if (gTasks[taskId].tState != 4)
REG_BLDALPHA = gTasks[taskId].data[4];
}
